The MAX5855 high-performance, interpolating and modulating,16-bit, 4.9Gsps RF DAC can directly synthesize upto 1000MHz of instantaneous bandwidth from DC to frequenciesgreater than 2.45GHz. The device is optimizedfor cable access and digital video broadcast applicationsand meets spectral emission requirements for a broadset of radio transmitters and modulators including DOCSIS3.1/3.0, DVB-C/C2, DVB-T2, DVB-S2X, ISDB-T, andEPoC.The device integrates interpolation filters, a digital quadraturemodulator, a numerically controlled oscillator (NCO),clock multiplying PLL + VCO and a 14-bit RF DAC core.The 4x linear phase interpolation filter simplifies reconstructionfiltering, while enhancing passband dynamic performance,and reducing the input data bandwidth requiredfrom an FPGA. The NCO allows for fully agile modulationof the input baseband signal for direct RF synthesis.The MAX5855 input interface accepts 16-bit input data byway of a five-lane, JESD204B SerDes data input interfacethat is Subclass-0 compliant and operates at a datarate of 9.8304Gbps.The MAX5855 clock input has a flexible interface that acceptsa differential sine-wave or square-wave referenceinput clock signal at 245.75MHz, 491.52MHz, or983.04MHz. A clock multiplying PLL and VCO is used tointernally generate the 4.9152GHz sampling clock fromthe reference clock. The device provides a divided referenceclock output to ensure synchronization between thedata source and the DAC.The integrated RF DAC uses a differential current-steeringarchitecture that includes a differential 50Ω internal terminationand can produce a 3dBm full-scale output signallevel on a 50Ω external load. Operating from 1.0V and1.8V power supplies, the device consumes 2.7W at4.9Gsps. The device is offered in a compact 144-pin,10mm x 10mm, FCCSP package and is specified for theextended industrial temperature range (-40°C to +85°C).ApplicationsDigital Video Broadcast ModulatorsDOCSIS 3.1/3.0 Remote PHY and CCAPDVB-C/C2/DVB-T2/DVB-S2X/ISDB-TEthernet PON over Coax (EPoC)InstrumentationPoint-to-Point Wireless

The MAX5857 high-performance, interpolating and modulating, 16-bit, 5.9Gsps RF DAC can directly synthesize up to 1.2GHz of instantaneous bandwidth from DC to frequencies greater than 2.6GHz. The device is optimized for cable access and digital video broadcast applications and meets spectral emission requirements for a broad set of radio transmitters and modulators including DOCSIS 3.1/3.0, DVB-C2, DVB-T2, DVB-S2X, ISDB-T, and EPoC.The device integrates interpolation filters, a digital quadrature modulator, a numerically controlled oscillator (NCO), clock multiplying PLL+VCO and a 14-bit RF DAC core. The 4x linear phase interpolation filter simplifies reconstruction filtering, while enhancing passband dynamic performance and reducing the input data bandwidth required from an FPGA. The NCO allows for fully agile modulation of the input baseband signal for direct RF synthesis. The complex data path can be bypassed to access the RF DAC core directly.The MAX5857 input interface accepts 16-bit input data through a six-lane JESD204B SerDes data input interface that is Subclass-0. The interface can be configured for 3, 4, 5, or 6 lanes and supports data rates up to 9.8304Gbps to optimize the I/O lane count and speed.The MAX5857 clock input has a flexible interface that accepts a differential sine-wave or square-wave input clock signal up to 5.9GHz. A bypassable clock multiplying PLL and VCO can be used to internally generate the high-frequency sampling clock using a reference frequency between 245.76MHz and 1.475GHz. The device provides a divided reference clock to ensure synchronization between the data source and the DAC.The integrated RF DAC uses a differential current-steering architecture that includes a differential 50Ω internal termination and can produce a 3.2dBm full-scale output signal level on a 50Ω external load. Operating from 1.0V and 1.8V power supplies, the device consumes 2.7W at 4.9Gsps. The device is offered in a compact 144-pin, 10mm x 10mm, FCCSP package and is specified for the extended industrial temperature range (-40°C to +85°C).ApplicationsDigital Video Broadcast ModulatorsDOCSIS 3.1 Remote PHY and CCAPDVB-C2/DVB-T2/DVB-S2X/ISDB-TEthernet PON over Coax (EPoC)InstrumentationPoint-to-Point Wireless

The MAX5871 high-performance interpolating and modulating 16-bit 5.9Gsps RF DAC can directly synthesize up to 600MHz of instantaneous bandwidth from DC to frequencies greater than 2.8GHz. The device enables multi-standard and multi-band transmitters in wireless communications applications. The device meets spectral mask requirements for a broad set of communication standards including multicarrier GSM, UMTS, and LTE.The device integrates interpolation filters, a digital quadrature modulator, a numerically controlled oscillator (NCO), clock multiplying PLL+VCO and a 14-bit RF DAC core. The user-configurable 5x, 6x, 6.67x, 8x, 10x, 12x, 13.33x, 16x, 20x or 24x, linear phase interpolation filters simplify reconstruction filtering, while enhancing passband dynamic performance, and reduce the input data bandwidth required from an FPGA/ASIC. The NCO allows for fully agile modulation of the input baseband signal for direct RF synthesis.The MAX5871 accepts 16-bit input data via a four-lane JESD204B SerDes data input interface that is Subclass-0 and Subclass-1 compliant. The interface can be configured for 1, 2, or 4 lanes and supports data rates up to 10Gbps per lane allowing flexibility to optimize the I/O count and speed.The MAX5871 clock input has a flexible clock interface and accepts a differential sine-wave, or square-wave input clock signal. A bypassable clock multiplying PLL and VCO can be used to generate a high-frequency sampling clock. The device outputs a divided reference clock to ensure synchronization of the system clock and DAC clock. In addition, multiple devices can be synchronized using JESD204B Subclass-1.The MAX5871 uses a differential current-steering architecture and can produce a 0dBm full-scale output signal level with a 50Ω load. Operating from 1.8V and 1.0V power supplies, the device consumes 2.5W at 4.9Gsps. The device is offered in a compact 144-pin, 10mm x 10mm, FCCSP package and is specified for the extended industrial temperature range (-40°C to +85°C).ApplicationsCellular Base-Station Transmitters2.5G/3G - GSM/TDMA/CDMA/UMTS4G LTE and WiMAXMulti-Standard and Multi-Band TransmittersPoint-to-Point Microwave LinksWireless Backhaul

The MAX5995A/MAX5995B/MAX5995C provide a complete interface for a powered device (PD) to comply with the IEEE® 802.3af/at/bt standard in a Power-Over-Ethernet (PoE) system. The devices provide the PD with a detection signature, classification signature, and an integrated isolation power switch with startup inrush current control. During the startup period, the devices limit the current to 135mA (typ) before switching to the higher current limit (1800mA to 2400mA, typ) when the isolation power MOSFET is fully enhanced. The devices feature Multi-Event classification, Intelligent MPS (MAX5995B/MAX5995C), Autoclass (MAX5995C), an input UVLO with wide hysteresis and long deglitch time to compensate for twistedpair cable resistive drop and to assure glitch-free transition during power-on/-off conditions. The devices can withstand a maximum voltage of 100V at the input.The devices support a Multi-Event classification method, as specified in the IEEE 802.3bt standard, and provide a signal to indicate from Type 1 to Type 4 Power Sourcing Equipment (PSE). The devices can detect the presence of a wall adapter power source connection and allow a smooth switch-over from the PoE power source to the wall power adapter.The devices also provide a power-good (PG) signal, two-step current limit and foldback control, overtemperature protection. A sleep mode feature in the MAX5995A/MAX5995B minimizes low power consumption while generating the Maintain Power Signature (MPS) to maintain PSE connection. An Ultra-Low-Power sleep mode feature in the MAX5995A/MAX5995B further reduces power consumption while still generating MPS current. The MAX5995B/MAX5995C provides Intelligent Maintain Power Signature (IMPS) feature to automatically enable MPS current by detecting the port current.The devices feature a LED driver that is activated during sleep mode, Ultra-Low-Power sleep mode(MAX5995A/MAX5995B), and Intelligent MPS mode(MAX5995B/MAX5995C). Multi-Event indication feature provides patterned signals to indicate power level allocated from PSE to PD in 5 different scenarios. The MAX5995C provides Autoclass feature to enable advanced applications that allow the PSE to effectively optimize power allocation to PD.The MAX5995A/MAX5995B/MAX5995C are available in a 16-pin, 5mm x 5mm, TQFN power package. These devices are rated over the -40°C to 125°C (MAX5995AATE/BATE/CATE) and -40°C to 85°C (MAX5995AETE/BETE/CETE) temperature ranges.ApplicationsBuilding AutomationIEEE 802.3bt Powered DevicesLightingSmall Cell, Pico CellVOIP Phones, IP Security CamerasWireless Access Point

The MAX5996A/MAX5996B/MAX5996C provides a complete interface for a powered device (PD) to comply with the IEEE® 802.3af/at/bt standard in a Power-Over-Ethernet (PoE) system with a detection signature, classification signature, and an integrated power switch with startup inrush current control. During the startup period, the devices limit the current to 135mA and it switches to a higher current limit when the power MOSFET is fully enhanced. The devices feature a Multi-Event classification, Intelligent MPS, Autoclass, and an input UVLO with wide hysteresis and deglitch time to assure glitch-free transition during power-on/off. The devices can withstand a maximum voltage of 100V at the input.The devices can detect the presence of a wall adapter power and allow a smooth switch-over from the PoE power source to the wall adapter. The devices also provide a power-good (PG) signal, two-step current limit, and foldback control, overtemperature protection.The Intelligent Maintain Power Signature (IMPS) feature allows to automatically enable MPS current by detecting the port current. Autoclass feature is to enable advanced applications that allow the PSE to optimize power allocation to PD.When working with dc-dc controller IC, the MAX5996C features a constant power/current limit when the port power/current consumption reaches PSE power/current limit. Multi-Event indication feature provides patterned signals to indicate power level allocated from PSE to PD in 7 different scenarios, and accurate real-time power telemetry reporting. LLDP pin of the MAX5996C allows to read power/current limit configuration from system microcontroller and overwrite power/current limit from classification process.The MAX5996A/MAX5996B/MAX5996C are available in a 16-pin, 5mm x 5mm, TQFN power package. These devices are rated over the -40°C to 125°C temperature range.ApplicationsBuilding AutomationIEEE 802.3bt Powered DevicesLightingSmall Cell, Pico CellVOIP Phones, IP Security CamerasWireless Access Point

The MAX6078 precision voltage reference family provides low drift and low noise at a maximum power supply current of only 15µA. Low-frequency noise is less than 12µVP-P (2.5V output voltage option) and the temperature coefficient of the output voltage is less than 10ppm/°C.The reference output can sink and source up to 3mA of load current and the top grade provides an initial accuracy of 0.04%. The low-drift and low-noise specifications enable enhanced system accuracy, making these devices ideal for high-precision industrial applications. A noise reduction (NR) input pin allows connection of an external capacitor to reduce wideband noise. Available output voltages include 1.25V, 2.048V, 2.5V, 3.0V, 3.3V, 4.096V, and 5.0V.The tiny, 6-bump WLP and small, 8-pin TDFN-EP packages are suitable for systems where circuit board area is limited. The operating input voltage can range from 2.3V to 5.5V. Operation is specified over the extended industrial temperature range of -55°C to +125°C.ApplicationsHigh-Accuracy Industrial and Process ControlHigh-Resolution ADCs and DACsPortable and Handheld systemsPrecision Instrumentation

The MAX6226 is an ultra-low-noise, high-precision, low-dropout voltage reference. This family of voltage references feature curvature-correction circuitry and high-stability, laser-trimmed, thin-film resistors that result in 3ppm/°C (max) temperature coefficients and an excellent ±0.02% (max) initial accuracy. The proprietary low-noise reference architecture produces a low flicker noise of 1.45µVP-P and wideband noise as low as 75nV/ (2.5V output) without the increased supply current usually found in low-noise references. Improve wideband noise to 45nV/ and AC power-supply rejection by adding a 0.1µF capacitor at the noise reduction pin. The MAX6226 series mode reference operates from a wide 2.7V to 12.6V supply voltage range and load-regulation specifications are guaranteed to be less than 0.25Ω and 0.05Ω for sink and source currents up to 10mA, respectively. These devices are available over the automotive temperature range of -40°C to +125°C.The MAX6226 typically draws 380µA of supply current and the output voltages are 2.5V and 5.0V. The MAX6226 also feature dropout voltages as low as 200mV. Unlike conventional shunt-mode (two-terminal) references that waste supply current and require an external resistor, the MAX6226offers supply current that is virtually independent of supply voltage and does not require an external resistor.The MAX6226 is stable with 0.1µF to 10µF of load capacitance, and is available in an 8-pin ceramic package.ApplicationsATE EquipmentDigital VoltmetersHigh-Accuracy Industrial and Process ControlHigh-Accuracy Reference StandardHigh-Resolution A/D and D/A ConvertersPrecision Current Sources

The MAX77501 is a high-efficiency controller driver for piezo haptic actuators and is optimized for driving up to 2µF piezo elements. It can generate a single-ended haptic waveform of up to 110VPK-PK amplitude from a 2.8V to 5.5V input power supply or a single cell Li+ battery. Memory playback and haptic waveforms real-time streaming modes are supported.A 25MHz SPI interface provides full system access and control, including fault reporting and monitoring. This allows for a rapid 600µs playback start-up time from shutdown. The on-board memory can be dynamically allocated as multiple waveforms storage or as a FIFO buffer. The IC also implements an ultra-low power boost architecture providing the lowest power consumption solution for a haptic actuator driver.Built-in undervoltage lockout (UVLO), cycle-by-cycle overcurrent limit, overvoltage and thermal shutdown protections ensure safe operation under abnormal operating conditions.The MAX77501 is available in a 30-bump, 0.4mm pitch, wafer-level package (WLP). Design Solution: Piezo Haptic Driver Extends Portables’ Battery Life ›ApplicationsSmartphones, Tablets/E-readers, Game ConsolesKeyboard, Mice, Remote Controls, and PeripheralsHaptic/Tactile Feedback Enabled Equipment

The MAX77503 is a synchronous 1.5A step-down DC-DCconverter optimized for portable 2-cell and 3-cell battery-operated and USB-C applications. The converter operateson an input supply between 3V and 14V. Outputvoltage is adjustable between 0.8V and 5V in 50mV steps through an I2C serial interface or 1.55V to 99% of the supplyvoltage with external feedback resistors. Factory-programmeddefault voltages of 1.2V, 1.8V, and 3.3V are offeredto reduce component count for common rails. The device features a low-IQ SKIP mode which allows excellentefficiency at light loads.Dedicated enable and power-OK pins allow simple hardware control. An I2C serial interface is optionally used forfull configuration and control for dynamic voltage scaling and system power optimization.Built-in undervoltage lockout (UVLO), output active discharge,cycle-by-cycle current limit, thermal shutdown,and short-circuit protection ensure safe operation under abnormal operating conditions.The MAX77503 is available in a 12-bump, 0.4mmpitch wafer-level package (WLP). Design Solution: How to Extend the Run-Time of Your DSLR/DSLM CameraDesign ›Applications2-cell/3-cell High Power Density SuppliesDrones, HD Cameras, and Notebook ComputersPortable Li+/Li-ion Battery Powered DevicesSpace-Constrained Portable Electronics

The MAX77504 is a synchronous 3A step-down DC-DC converter optimized for portable 2-cell and 3-cell battery-operated applications. The converter operates on an input supply between 2.6V and 14V. Output voltage is adjustable between 0.6V and 6V with external feedback resistors. The device features a low-IQ SKIP mode that allows excellent efficiency at light loads. The MAX77504 can be sychronized by driving the FPWM pin with an external clock.Dedicated enable, power-OK, and FPWM pins allow simple hardware control. The SEL input easily configures switching frequency, gain, and output active discharge option. Built-in undervoltage lockout (UVLO), output active discharge, cycle-by-cycle inductor current limit, thermal shutdown, and short-circuit protection ensure safe operation under abnormal operating conditions.The MAX77504 is offered in a small 1.7mm x 1.7mm, 16-bump, 0.4mm pitch wafer-level package (WLP) or a 2.5mm x 2.5mm, 12-lead, 0.5mm pitch flip-chip QFN (FC2QFN).Applications1- to 3-Cell Li+/Li-ion Battery-Powered DevicesProfessional Radio, Handheld ComputersMirrorless Cameras, DSLR, and Notebook ComputersPortable Scanners, POS Terminals, PrintersSpace-Constrained Portable Electronics

The MAX77504 is a synchronous 3A step-down DC-DC converter optimized for portable 2-cell and 3-cell battery-operated applications. The converter operates on an input supply between 2.6V and 14V. Output voltage is adjustable between 0.6V and 6V with external feedback resistors. The device features a low-IQ SKIP mode that allows excellent efficiency at light loads. The MAX77504 can be sychronized by driving the FPWM pin with an external clock.Dedicated enable, power-OK, and FPWM pins allow simple hardware control. The SEL input easily configures switching frequency, gain, and output active discharge option. Built-in undervoltage lockout (UVLO), output active discharge, cycle-by-cycle inductor current limit, thermal shutdown, and short-circuit protection ensure safe operation under abnormal operating conditions.The MAX77504 is offered in a small 1.7mm x 1.7mm, 16-bump, 0.4mm pitch wafer-level package (WLP) or a 2.5mm x 2.5mm, 12-lead, 0.5mm pitch flip-chip QFN (FC2QFN).Applications1- to 3-Cell Li+/Li-ion Battery-Powered DevicesProfessional Radio, Handheld ComputersMirrorless Cameras, DSLR, and Notebook ComputersPortable Scanners, POS Terminals, PrintersSpace-Constrained Portable Electronics

The MAX77511/MAX77711 are four-phase, 3A/phase, configurable single to quad output, step-down buck regulators for 1s/2s Li+ battery inputs. Output voltage is programmable through an I2C interface between 0.25V and 5.2V. The buck has four combinable 3A switching phases (Φ) for up to four regulated outputs. Phases are configurable to higher-current multiphase outputs: 4Φ, (3+1)Φ, (2+2)Φ, (2+1+1)Φ, or (1+1+1+1)Φ.Six GPIOs can be purposed for I/O expansion or buck status and control. Pseudo-random spread-spectrum modulation suppresses EMI. Soft-start, soft-stop, and DVS slew times are programmable with I2C. MAX77711 offers a 300mA linear regulator.MAX77511/MAX77711 are available in a 64-bump, 3.54mm x 3.54mm wafer-level package (WLP).ApplicationsDSLR, Mirrorless, HD Video, and Action Cameras2-Cell Li+/Li-ion EquipmentNotebook Computers and RobotsEmbedded Microprocessors, FPGAs, or ASICs

The MAX77511/MAX77711 are four-phase, 3A/phase, configurable single to quad output, step-down buck regulators for 1s/2s Li+ battery inputs. Output voltage is programmable through an I2C interface between 0.25V and 5.2V. The buck has four combinable 3A switching phases (Φ) for up to four regulated outputs. Phases are configurable to higher-current multiphase outputs: 4Φ, (3+1)Φ, (2+2)Φ, (2+1+1)Φ, or (1+1+1+1)Φ.Six GPIOs can be purposed for I/O expansion or buck status and control. Pseudo-random spread-spectrum modulation suppresses EMI. Soft-start, soft-stop, and DVS slew times are programmable with I2C. MAX77711 offers a 300mA linear regulator.MAX77511/MAX77711 are available in a 64-bump, 3.54mm x 3.54mm wafer-level package (WLP).ApplicationsDSLR, Mirrorless, HD Video, and Action Cameras2-Cell Li+/Li-ion EquipmentNotebook Computers and RobotsEmbedded Microprocessors, FPGAs, or ASICs

The MAX77511/MAX77711 are four-phase, 3A/phase, configurable single to quad output, step-down buck regulators for 1s/2s Li+ battery inputs. Output voltage is programmable through an I2C interface between 0.25V and 5.2V. The buck has four combinable 3A switching phases (Φ) for up to four regulated outputs. Phases are configurable to higher-current multiphase outputs: 4Φ, (3+1)Φ, (2+2)Φ, (2+1+1)Φ, or (1+1+1+1)Φ.Six GPIOs can be purposed for I/O expansion or buck status and control. Pseudo-random spread-spectrum modulation suppresses EMI. Soft-start, soft-stop, and DVS slew times are programmable with I2C. MAX77711 offers a 300mA linear regulator.MAX77511/MAX77711 are available in a 64-bump, 3.54mm x 3.54mm wafer-level package (WLP).ApplicationsDSLR, Mirrorless, HD Video, and Action Cameras2-Cell Li+/Li-ion EquipmentNotebook Computers and RobotsEmbedded Microprocessors, FPGAs, or ASICs

The MAX77511/MAX77711 are four-phase, 3A/phase, configurable single to quad output, step-down buck regulators for 1s/2s Li+ battery inputs. Output voltage is programmable through an I2C interface between 0.25V and 5.2V. The buck has four combinable 3A switching phases (Φ) for up to four regulated outputs. Phases are configurable to higher-current multiphase outputs: 4Φ, (3+1)Φ, (2+2)Φ, (2+1+1)Φ, or (1+1+1+1)Φ.Six GPIOs can be purposed for I/O expansion or buck status and control. Pseudo-random spread-spectrum modulation suppresses EMI. Soft-start, soft-stop, and DVS slew times are programmable with I2C. MAX77711 offers a 300mA linear regulator.MAX77511/MAX77711 are available in a 64-bump, 3.54mm x 3.54mm wafer-level package (WLP).ApplicationsDSLR, Mirrorless, HD Video, and Action Cameras2-Cell Li+/Li-ion EquipmentNotebook Computers and RobotsEmbedded Microprocessors, FPGAs, or ASICs

The MAX77540 is a high-efficiency step-down converterwith two 3A switching phases. It uses an adaptive COT(constant on-time) current-mode control architecture andthe two 3A switching phases can be configured as eitherone (2Φ, 6A) or two (1Φ, 3A each) outputs. Its wide inputvoltage range enables a direct conversion for sub-1V outputsfrom 3-cell Li+ batteries, USB PD, and 12VDC supplyrails. The output voltages are preset with resistors andare further adjustable through an I2C-compatible interface.With 94% peak efficiency, low quiescent current, and compactsolution size, the MAX77540 is ideal for battery powered,space-constraint equipment.Programmable switching frequency, frequency tracking,and spread-spectrum allow easier systemoptimization for noise-sensitive applications. DedicatedEN, POK, and FPWM pins provide options for directhardware control, while more programmable options, suchas soft-start/stop and ramp-up/down slew-rates, are availablethrough I2C. An array of built-in protections insuressafe operation under abnormal operating conditions.Applications2/3-Cell Li+ and USB-C Power Delivery SystemsAudio and Video EquipmentMicroprocessors, field-programmable gate arrays (FPGAs), digital signal processors (DSPs),andapplication-specific integrated circuits (ASICs)Networking and PCIe®/redundant array of inexpensive disks (RAID) Cards

The MAX77540 is a high-efficiency step-down converterwith two 3A switching phases. It uses an adaptive COT(constant on-time) current-mode control architecture andthe two 3A switching phases can be configured as eitherone (2Φ, 6A) or two (1Φ, 3A each) outputs. Its wide inputvoltage range enables a direct conversion for sub-1V outputsfrom 3-cell Li+ batteries, USB PD, and 12VDC supplyrails. The output voltages are preset with resistors andare further adjustable through an I2C-compatible interface.With 94% peak efficiency, low quiescent current, and compactsolution size, the MAX77540 is ideal for battery powered,space-constraint equipment.Programmable switching frequency, frequency tracking,and spread-spectrum allow easier systemoptimization for noise-sensitive applications. DedicatedEN, POK, and FPWM pins provide options for directhardware control, while more programmable options, suchas soft-start/stop and ramp-up/down slew-rates, are availablethrough I2C. An array of built-in protections insuressafe operation under abnormal operating conditions.Applications2/3-Cell Li+ and USB-C Power Delivery SystemsAudio and Video EquipmentMicroprocessors, field-programmable gate arrays (FPGAs), digital signal processors (DSPs),andapplication-specific integrated circuits (ASICs)Networking and PCIe®/redundant array of inexpensive disks (RAID) Cards

The MAX77640/MAX77641 are a low-IQ power solutionfor applications where size and efficiency are critical. Thedevice integrates a 3-output single-inductor multiple-output(SIMO) buck-boost regulator, a 150mA LDO, and a3-channel current-sink driver.The SIMO operates on an input between 2.7V and 5.5V.The outputs are independently programmable between0.8V and 5.25V depending on ordering option. Each outputis a buck-boost with glitchless transition between buckand boost operation. The SIMO can support >300mAloads (1.8VOUT, 3.7VIN).The 150mA LDO provides ripple rejection for noise-sensitiveapplications. The current sinks can be programmedto blink LEDs in custom patterns. The device integratesa power sequencer to control power-up/down order ofeach output. Default output voltages and sequence orderare factory-programmable. An I2C serial interface furtherconfigures the device.The MAX77640/MAX77641 are available in a 30-bumpwafer-level package (WLP). Total solution size is 16mm2.For a similar product with a battery charger, refer to theMAX77650.Design Solution: Choose a Tailored SIMO PMIC for Your Portable Design ›ApplicationsAction Cameras, Wearable/Body CamerasHearables: Bluetooth Headphones and EarbudsInternet of Things (IoT) DevicesWearables: Fitness, Health, and Activity Monitors

The MAX77642/MAX77643 provide power supply solutions for low-power applications where size and efficiency are critical. The IC features a SIMO buck-boost regulator that provides three independently programmable power rails from a single inductor to minimize total solution size. A 150mA LDO provides ripple rejection for audio and other noise-sensitive applications. The LDO can also be configured as load switches to manage power consumption by disconnecting external blocks when not required.The MAX77642's SIMO and LDO output voltages are individually programmable through resistors. A peak current limit input is used to set both the inductor's peak current limits of the device with a single resistor. Individual enable pins combined with the flexible resistor programmability allows the device to be tailored for many applications.This MAX77643's SIMO and LDO output voltages are individually programmable through I2C and in addition, includes two GPIOs with alternate modes for scalability. A bidirectional I2C serial interface allows for configuring and checking the status of the devices. An internal on/off controller provides a controlled startup sequence for the regulators and provides supervisory functionality while they are on. Numerous factory programmable options allow the device to be tailored for many applications, enabling faster time to market.ApplicationsNext Generation HearablesFitness, Health, and Activity MonitorsSafety and Security MonitorsPortable Consumer Devices

The MAX77642/MAX77643 provide power supply solutions for low-power applications where size and efficiency are critical. The IC features a SIMO buck-boost regulator that provides three independently programmable power rails from a single inductor to minimize total solution size. A 150mA LDO provides ripple rejection for audio and other noise-sensitive applications. The LDO can also be configured as load switches to manage power consumption by disconnecting external blocks when not required.The MAX77642's SIMO and LDO output voltages are individually programmable through resistors. A peak current limit input is used to set both the inductor's peak current limits of the device with a single resistor. Individual enable pins combined with the flexible resistor programmability allows the device to be tailored for many applications.This MAX77643's SIMO and LDO output voltages are individually programmable through I2C and in addition, includes two GPIOs with alternate modes for scalability. A bidirectional I2C serial interface allows for configuring and checking the status of the devices. An internal on/off controller provides a controlled startup sequence for the regulators and provides supervisory functionality while they are on. Numerous factory programmable options allow the device to be tailored for many applications, enabling faster time to market.ApplicationsNext Generation HearablesFitness, Health, and Activity MonitorsSafety and Security MonitorsPortable Consumer Devices