Maxim's Rainier family of isolated power devices enablecooler, smaller, and simpler power-supply solutions. TheMAX17691A/B is a high efficiency No-Opto integratednMOSFET flyback converter that uses fixed frequencypeak current mode control. The device senses the isolatedoutput voltage directly from the primary-side flyback waveformduring secondary-side rectifier conduction. No secondary-side error amplifier and optocoupler are requiredto provide an accurate, isolated, regulated output voltage,saving up to 20% of PCB space normally required for atraditional flyback converter.The MAX17691A/B features a low RDSON, 76V, 170mΩintegrated nMOSFET primary switch and is designed tooperate over a wide supply range from 4.2V to 60V. Theswitching frequency of the device is programmable from100kHz to 350kHz. An EN/UVLO feature allows the userto turn ON/OFF the power converter precisely at the desiredinput voltage. Input overvoltage protection can beimplemented using the OVI pin (MAX17691A only). Softstartlimits inrush current at startup. The MAX17691A/Bsupports external clock synchronization to avoid low-frequency“beats” on the input bus in systems with multipleconverters. The device also has programmable frequencydithering for low-EMI, spread-spectrum operation.The MAX17691A/B allows temperature compensation forvariations in the output rectifier diode forward voltagedrop. The MAX17691A is internally compensated for loopstability, while the MAX17691B offers external loop compensationflexibility. The MAX17691A/B has robust hiccup-protection and thermal protection schemes, and isavailable in a space-saving 12-pin, 3mm x 3mm TDFNpackage with a temperature range from -40°C to +125°C.ApplicationsIsolated Power SuppliesPLC I/O ModulesIGBT Gate Drive SuppliesIndustrial and Telecom Applications

Maxim's Rainier family of isolated power devices enable cooler, smaller, and simpler power-supply solutions. The MAX17693A/B are high efficiency No-Opto integrated nMOSFET flyback converters that use fixed frequency peak current mode control. The device senses the isolated output voltage directly from the primary-side flyback waveform during the secondary-side rectifier conduction. No secondary-side error amplifier and optocoupler are required to provide an accurate, isolated, regulated output voltage, saving up to 20% of PCB space normally required for a traditional flyback converter.The MAX17693A/B feature a low RDSON, 76V, 245mΩ integrated nMOSFET primary switch and are designed to operate over a wide supply range from 4.2V to 60V. The switching frequency of the device is programmable from 100kHz to 350kHz. An EN/UVLO feature allows the user to turn ON/OFF the power converter precisely at the desired input voltage. Input overvoltage protection can be implemented using the OVI pin (MAX17693A only). Soft-start limits inrush current at startup. The MAX17693A/B support external clock synchronization to avoid low-frequency “beats” on the input bus in systems with multiple converters. The devices also have programmable frequency dithering for low-EMI, spread-spectrum operation.The MAX17693A/B allow temperature compensation for variations in the output rectifier diode forward voltage drop. The MAX17693A is internally compensated for loop stability, while the MAX17693B offers external loop compensation flexibility. The MAX17693A/B have robust hiccup-protection and thermal protection schemes, and are available in space-saving 12-pin, 3mm x 3mm TDFN packages with a temperature range from -40°C to +125°C.ApplicationsIGBT Gate Drive SuppliesIndustrial and Telecom ApplicationsIsolated Power SuppliesPLC I/O Modules

The Himalaya series of voltage regulator ICs, power modules,and chargers enable cooler, smaller, and simplerpower supply solutions. The MAX17701 is a high efficiency,high voltage, Himalaya synchronous, step-down, supercapacitorcharger controller designed to operate overan input-voltage range of a 4.5V to 60V. The MAX17701operates over a -40°C to +125°C industrial temperaturerange and charges a supercapacitor with a ±4% accurateconstant current. After the supercapacitor is charged, thedevice regulates the no-load output voltage with ±1% accuracy.The output voltage is programmable from 1.25Vup to (VDCIN - 2.1V).The MAX17701 supercapacitor charger controller is designedto provide a holistic application solution requiringbackup energy storage with a precise charging capability.The device uses an external nMOSFET to provide inputsupply-side short-circuit protection; thus, preventing supercapacitordischarge.The MAX17701 provides a safety timer (TMR) feature toset the maximum allowed constant current (CC) modecharging time. The device features an uncommitted comparator,which can be used to detect an output overvoltageevent (OVI) and prevent the supercapacitor fromovercharging. The MAX17701 is available in a 24-pin4mm x 4mm TQFN package with an exposed pad.ApplicationsPeak Power Delivery and Energy StorageBackup Power for Industrial SafetyRide-Through Last-Gasp SuppliesPortable Medical EquipmentBuilding and Home Automation Backup Power

The Himalaya series of voltage regulator ICs, power modules,and chargers enable cooler, smaller, and simplerpower supply solutions. The MAX17701 is a high efficiency,high voltage, Himalaya synchronous, step-down, supercapacitorcharger controller designed to operate overan input-voltage range of a 4.5V to 60V. The MAX17701operates over a -40°C to +125°C industrial temperaturerange and charges a supercapacitor with a ±4% accurateconstant current. After the supercapacitor is charged, thedevice regulates the no-load output voltage with ±1% accuracy.The output voltage is programmable from 1.25Vup to (VDCIN - 2.1V).The MAX17701 supercapacitor charger controller is designedto provide a holistic application solution requiringbackup energy storage with a precise charging capability.The device uses an external nMOSFET to provide inputsupply-side short-circuit protection; thus, preventing supercapacitordischarge.The MAX17701 provides a safety timer (TMR) feature toset the maximum allowed constant current (CC) modecharging time. The device features an uncommitted comparator,which can be used to detect an output overvoltageevent (OVI) and prevent the supercapacitor fromovercharging. The MAX17701 is available in a 24-pin4mm x 4mm TQFN package with an exposed pad.ApplicationsPeak Power Delivery and Energy StorageBackup Power for Industrial SafetyRide-Through Last-Gasp SuppliesPortable Medical EquipmentBuilding and Home Automation Backup Power

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller, and simpler power supply solutions. The MAX17703 is a high-efficiency, high-voltage, synchronous, step-down, Himalaya Li-ion battery-charger controller designed to operate over an input-voltage range of a 4.5V to 60V. The MAX17703 operates over a wide -40°C to +125°C temperature range and offers a complete charging solution for Li-ion batteries with a ±4% accurate constant current. The output voltage is programmable from 1.25V up to (VDCIN - 2.1V) with ±1% regulation accuracy.The device uses an external nMOSFET to provide input supply-side short-circuit protection, preventing battery discharge.The device charges the battery in constant current (CC) and constant voltage (CV) states and terminates in a top-up-charge state after the taper timer is elapsed. The device resumes charging automatically when the battery voltage falls below the recharge voltage threshold. Detection and preconditioning of deeply discharged batteries are enabled by a deep discharge detection comparator.The MAX17703 is available in a 24-pin 4mm x 4mm TQFN package with an exposed pad.ApplicationsBattery Backup for Lighting, Security Cameras, and Control PanelsBuilding and Home-Automation Backup PowerIndustrial Battery Charging and Energy StoragePortable Industrial and Medical EquipmentPower Tools and Handheld Terminals

The Himalaya series of voltage regulator ICs, power modules, and chargers enable cooler, smaller, and simpler power supply solutions. The MAX17760 is a high-efficiency, high-voltage, Himalaya synchronous step-down DC-DC converter with integrated MOSFETs operating over an input-voltage range of 4.5V to 76V. The device can deliver up to 300mA current. Output voltage is programmable from 0.8V up to 88% of input voltage (VIN). Built-in control loop compensation eliminates the need for external components.The MAX17760 features a peak-current-mode control architecture. The device can be operated in either the forced pulse-width modulation (PWM) or pulse-frequency modulation (PFM) control schemes. Forced PWM mode provides constant frequency operation at all loads for frequency sensitive applications, while PFM mode provides superior light-load efficiency by skipping pulses. The device integrates an open drain active-low RESET output voltage monitor, adjustable input undervoltage lockout (EN/UVLO) and programmable soft-start.The feedback voltage regulation accuracy over -40°C to +125°C is +1.6% to -1.7%. The MAX17760 is available in a compact 12-pin (3mm x 3mm) TDFN package. Simulation models are available.ApplicationsIndustrial Control Power SuppliesGeneral Purpose Point-of-LoadDistributed Supply RegulationBase Station Power SuppliesWall Transformer RegulationHigh Voltage Single-Board Systems

The MAX17823B is a data acquisition system for the management of high-voltage battery modules. The system features 12-bit SAR ADC that can measure 12cell voltages and two temperatures in 161μs. There are 12internal switches for cell balancing and extensive built-indiagnostics. Up to 32 devices can be daisy-chained togetherto manage 384 cells and monitor 64 temperatures. Cell voltages (0 to 5V) are measured differentially overa 65V common-mode range. Cell measurements have atypical accuracy of 2mV (3.6V cell, +25°C). If oversamplingis enabled, up to 128 measurements per channelcan be averaged internally with 14-bit resolution. The systemcan shut itself down in the event of a thermal overloadby measuring its own die temperature.The system uses Maxim’s battery-management UARTprotocol for robust communications and when used inconjunction with the MAX17880 12-channel battery monitor,they are ideal for automotive battery-managementsystems that require a high safety integrity level.ApplicationsBattery PacksBattery SystemsElectric BikesElectric Vehicles and Hybrid Vehicle (HEV)High-Power Battery Backup SystemsHigh-Voltage, Multi-Cell Series-Stacked-Power ToolsSuperCap Backup Systems

The MAX17854 is a flexible data-acquisition system for the management of high-voltage and low-voltage battery modules. The system can measure 14 cell voltages and a combination of six temperatures or system voltage measurements with fully redundant measurement engines in 162µs, or perform all inputs solely with the ADC measurement engine in 99µs. There are 14 internal balancing switches rated for >300mA for cell-balancing current, each supporting extensive built-in diagnostics. Up to 32 devices can be daisy-chained to manage 448 cells and monitor 192 temperatures.Cell and bus-bar voltages ranging from -2.5V to +5V are measured differentially over a 65V common-mode range, with a typical accuracy of 100µV. If oversampling is enabled, up to 128 measurements per channel can be averaged internally with 14-bit resolution and combined with digital post-processing IIR filtering for increased noise immunity. The system can shut itself down in the event of a thermal overload by measuring its own die temperature.The system uses Analog Devices' battery-management UART protocol for robust communications and supports an I2C master interface for external device control, and is optimized to support a reduced feature set of internal diagnostics and rapid-alert communication through both embedded communication and hardware-alert interfaces to support ASIL D and FMEA requirements.ApplicationsBattery-Backup Systems (UPS)Battery-Powered ToolsElectric BikesElectric Vehicles (EVs)High-Voltage Battery StacksHybrid Electric Vehicles (HEVs)Super-Cap Systems

The MAX20004/MAX20006/MAX20008 are small, synchronous, automotive buck converter devices with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3.5V to 36V, while using only 25µA quiescent current at no load. Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.The devices offer fixed output voltages of 5V and 3.3V, along with the ability to program the output voltage between 1V and 10V. Frequency is resistor programmable from 220kHz to 2.2MHz. The devices offer a forced fixed-frequency PWM mode (FPWM) and skip mode with ultra-low quiescent current. The devices can be factory programmed to enable spread-spectrum switching to reduce EMI.The MAX20004/MAX20006/MAX20008 are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.ApplicationsDistributed DC Power SystemsNavigation and Radio Head UnitsPoint-of-Load Applications in Automotive

The MAX20004/MAX20006/MAX20008 are small, synchronous, automotive buck converter devices with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3.5V to 36V, while using only 25µA quiescent current at no load. Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.The devices offer fixed output voltages of 5V and 3.3V, along with the ability to program the output voltage between 1V and 10V. Frequency is resistor programmable from 220kHz to 2.2MHz. The devices offer a forced fixed-frequency PWM mode (FPWM) and skip mode with ultra-low quiescent current. The devices can be factory programmed to enable spread-spectrum switching to reduce EMI.The MAX20004/MAX20006/MAX20008 are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.ApplicationsDistributed DC Power SystemsNavigation and Radio Head UnitsPoint-of-Load Applications in Automotive

The MAX20004/MAX20006/MAX20008 are small, synchronous, automotive buck converter devices with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3.5V to 36V, while using only 25µA quiescent current at no load. Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.The devices offer fixed output voltages of 5V and 3.3V, along with the ability to program the output voltage between 1V and 10V. Frequency is resistor programmable from 220kHz to 2.2MHz. The devices offer a forced fixed-frequency PWM mode (FPWM) and skip mode with ultra-low quiescent current. The devices can be factory programmed to enable spread-spectrum switching to reduce EMI.The MAX20004/MAX20006/MAX20008 are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.ApplicationsDistributed DC Power SystemsNavigation and Radio Head UnitsPoint-of-Load Applications in Automotive

The MAX20004E/MAX20006E/MAX20008E are small, synchronous buck converters with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3V to 36V, while using only 15µA quiescent current at no load (except for MAX20006EAFOD/VY+ which has FPWM mode only). Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.The devices offer fixed output voltages of 5V, 3.9V, or 3.3V. Compensation is internal to the device, providingexcellent transient response. Frequency can be 400kHz or 2.1MHz. The devices offer a forced fixed-frequencymode and skip mode with ultra-low quiescent current of 15µA. The device has a pin-selectable (SSEN) spread-spectrum enable to further assist systems designers with better EMC management. The MAX20004E/MAX20006E/MAX20008E are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.ApplicationsADASDistributed DC Power SystemsNavigation and Radio Head UnitsPoint-of-Load Applications in Automotive

The MAX20004/MAX20006/MAX20008 are small, synchronous, automotive buck converter devices with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3.5V to 36V, while using only 25µA quiescent current at no load. Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.The devices offer fixed output voltages of 5V and 3.3V, along with the ability to program the output voltage between 1V and 10V. Frequency is resistor programmable from 220kHz to 2.2MHz. The devices offer a forced fixed-frequency PWM mode (FPWM) and skip mode with ultra-low quiescent current. The devices can be factory programmed to enable spread-spectrum switching to reduce EMI.The MAX20004/MAX20006/MAX20008 are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.ApplicationsDistributed DC Power SystemsNavigation and Radio Head UnitsPoint-of-Load Applications in Automotive

The MAX20004E/MAX20006E/MAX20008E are small, synchronous buck converters with integrated high-side and low-side MOSFETs. The device family can deliver up to 8A with input voltages from 3V to 36V, while using only 15µA quiescent current at no load (except for MAX20006EAFOD/VY+ which has FPWM mode only). Voltage quality can be monitored by observing the active-low RESET signal. The devices can operate in dropout by running at 98% duty cycle, making them ideal for automotive applications.The devices offer fixed output voltages of 5V, 3.9V, or 3.3V. Compensation is internal to the device, providingexcellent transient response. Frequency can be 400kHz or 2.1MHz. The devices offer a forced fixed-frequencymode and skip mode with ultra-low quiescent current of 15µA. The device has a pin-selectable (SSEN) spread-spectrum enable to further assist systems designers with better EMC management. The MAX20004E/MAX20006E/MAX20008E are available in a small, 3.5mm x 3.75mm, 17-pin FC2QFN package and use very few external components.ApplicationsADASDistributed DC Power SystemsNavigation and Radio Head UnitsPoint-of-Load Applications in Automotive

The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and provide a 0.5V to 1.5875V output voltage range. The wide input/output voltage range and the ability to provide up to 6A load current make these ICs ideal for on-board point-of-load and post-regulation applications. The ICs achieve ±2% output error over load, line, and temperature ranges. The MAX20010D/MAX20010E offers improved transient response. The ICs feature a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes the solution footprint. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make the layout a much simpler task with respect to discrete solutions. The ICs are offered with factory-preset output voltages (see the Ordering Information for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and provide a 0.5V to 1.5875V output voltage range. The wide input/output voltage range and the ability to provide up to 6A load current make these ICs ideal for on-board point-of-load and post-regulation applications. The ICs achieve ±2% output error over load, line, and temperature ranges. The MAX20010D/MAX20010E offers improved transient response. The ICs feature a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes the solution footprint. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make the layout a much simpler task with respect to discrete solutions. The ICs are offered with factory-preset output voltages (see the Ordering Information for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and provide a 0.5V to 1.5875V output voltage range. The wide input/output voltage range and the ability to provide up to 6A load current make these ICs ideal for on-board point-of-load and post-regulation applications. The ICs achieve ±2% output error over load, line, and temperature ranges. The MAX20010D/MAX20010E offers improved transient response. The ICs feature a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes the solution footprint. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make the layout a much simpler task with respect to discrete solutions. The ICs are offered with factory-preset output voltages (see the Ordering Information for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and provide a 0.5V to 1.5875V output voltage range. The wide input/output voltage range and the ability to provide up to 6A load current make these ICs ideal for on-board point-of-load and post-regulation applications. The ICs achieve ±2% output error over load, line, and temperature ranges. The MAX20010D/MAX20010E offers improved transient response. The ICs feature a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes the solution footprint. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make the layout a much simpler task with respect to discrete solutions. The ICs are offered with factory-preset output voltages (see the Ordering Information for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and provide a 0.5V to 1.5875V output voltage range. The wide input/output voltage range and the ability to provide up to 6A load current make these ICs ideal for on-board point-of-load and post-regulation applications. The ICs achieve ±2% output error over load, line, and temperature ranges. The MAX20010D/MAX20010E offers improved transient response. The ICs feature a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes the solution footprint. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make the layout a much simpler task with respect to discrete solutions. The ICs are offered with factory-preset output voltages (see the Ordering Information for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.

The MAX20010C/MAX20010D/MAX20010E ICs are high-efficiency, synchronous step-down converters that operate with a 3.0V to 5.5V input voltage range and provide a 0.5V to 1.5875V output voltage range. The wide input/output voltage range and the ability to provide up to 6A load current make these ICs ideal for on-board point-of-load and post-regulation applications. The ICs achieve ±2% output error over load, line, and temperature ranges. The MAX20010D/MAX20010E offers improved transient response. The ICs feature a 2.2MHz fixed-frequency PWM mode for better noise immunity and load-transient response, and a pulse-frequency modulation mode (skip) for increased efficiency during light-load operation. The 2.2MHz frequency operation allows the use of all-ceramic capacitors and minimizes the solution footprint. The programmable spread-spectrum frequency modulation minimizes radiated electromagnetic emissions. Integrated low RDS(ON) switches improve efficiency at heavy loads and make the layout a much simpler task with respect to discrete solutions. The ICs are offered with factory-preset output voltages (see the Ordering Information for options). The I2C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, overcurrent, and overtemperature protections.