DC2844A
Analog Devices Inc.The LTM4680 is a dual 30A or single 60A step-down ?Module? (power module) DC/DC regulator featuring remote configurability and telemetry-monitoring of power management parameters over PMBus?an open standard I2C-based digital interface protocol. The LTM4680 is comprised of digitally programmable analog control loops, precision mixed-signal circuitry, EEPROM, power MOSFETs, inductors and supporting components.The LTM4680?s 2-wire serial interface allows outputs to be margined, tuned and ramped up and down at programmable slew rates with sequencing delay times. True input current sense, output currents and voltages, output power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not required. At start-up, output voltages, switching frequency, and channel phase angle assignments can be set by pin-strapping resistors. The LTpowerPlay? GUI and DC1613 USB-to-PMBus converter and demo kits are available.The LTM4680 is offered in a 16mm ? 16mm ? 7.82mm BGA package available with SnPb or RoHS compliant terminal finish. Pin compatible with LTM4678.Applications System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments
LTM8083 Demo Board | 3VIN to 36VIN, 12VOUT at 1.5A Buck-Boost μModule Regulator
Analog Devices Inc.Demonstration circuit 2859A is a step-up/-down DC/DC converter with a 3V to 36V input voltage range and a 12V output capable of 1.5A from 12 to 36VIN, 0.8A at 6VIN, and 0.25A at 3VIN, featuring the LTM8083.
The LTM8083 data sheet gives complete description of the device, including operation and application information. The data sheet must be read in conjunction with this demo manual prior to working on or modifying DC2859A.
KEY FEATURES
SYNC Input for External Synchronization
CTRL Input for Adjusting Current Limit Threshold
LTC1695CS5 | SMBus Fan Speed Controller (Requires DC1223)
Analog Devices Inc.DC285A: Demo Board for the LTC1695 SMBus/I2C Fan Speed Controller in SOT-23.
LTM2985 Demo Board | Isolated High Accuracy Digital Temperature Measurement System with EEPROM
Analog Devices Inc.The DC2872A is an evaluation board for demonstrating the performance and ease of use of the LTM2985, an isolated 10-channel temperature measurement system on a chip, software compatible with the LTC2986-1. It provides 5kV isolated power and SPI interface to the precision temperature-to-bits converter.
LTC2971 Demo Board | High Voltage Two 2-Channel PMBus Power System Managers with Four Power Supply Rails
Analog Devices Inc.The DC2875A is a demonstration system for the LTC2971 Power System Manager that interfaces to various regulators. The board contains all the circuitry needed to demonstrate a power system that utilizes two 2-channel LTC2971 devices that manage four power supplies. The four power supplies include various switching regulators for the purpose of demonstrating a variety of methods to sense voltage and current. The demo board provides a sophisticated 4-channel digitally programmable power supply system.
The LTC2971 is a 2-channel I2C/SMBus/PMBus Power System Manager that features accurate input current and energy measurement and is capable of managing ±60V supplies. The device monitors input current and input voltage, and calculates input power and energy. The DC2875A demonstrates the ability of the LTC2971 to sequence, trim, margin, supervise, monitor, and log faults for four power supplies. The LTC2971 monitors each channel’s output voltage and output current and also monitors each channel’s external temperature sensor and its own internal die temperature.
The DC2875A board contains four independent power supply rails. All four rails are based on DC/DC switching regulators. The +36V and +32V channels are managed by
an LTC2971 and the ±24V channels are managed by an LTC2971-1. The board is pre-configured with these voltages and may be re-configured with feedback resistors.
The LTpowerPlay® graphical user interface (GUI) supports this demonstration system and enables complete control of all the features of the LTC2971. Together, the
LTpowerPlay software and DC2875A hardware system create a powerful development environment for designing and testing configuration settings of the LTC2971.
LTpowerPlay stores these settings in the LTC2971 internal EEPROM or in a project file. The software displays all of the configuration settings and real time measurements
from the Power System Management IC. Telemetry allows easy access and decoding of the fault log created by the LTC2971. The board comes preprogrammed with the EEPROM values appropriate for the four power supply rails on the DC2875A. Just plug and play!
Order pre-programmed devices from Analog Devices Express (ADX) using LTpowerPlay.
LTM4655 | Low EMI Dual 13V to 40VIN, 12V/4AOUT μModule Regulator
Analog Devices Inc.Demonstration circuit 2898A is a dual DC/DC converter with a 13V to 40V input voltage range, two 12V outputs at 4A each featuring the LTM4655. The LTM4655 is a EN55022B compliant 40V, dual 4A or single 8A step-down or 50W inverting DC/DC μModule® regulator.
The switching frequencies of both channels are set at 1.2MHz on DC2898A. If the output voltage collapses sufficiently due to an overload or short-circuit condition, the internal oscillator will foldback to one-fifth of the LTM4655’s programmed switching frequency, protecting the power switch from damage.
Key features of this board include:
SSFM Jumper for Spread Spectrum Options
CLKIN Inputs for External Sync
PGOOD Signals for Each Output
The two channels can be paralleled for higher output current. See the data sheet for more information on setting up the board for paralleling the two outputs.
The LTM4655 data sheet gives a complete description of the device, its operation and application information. The data sheet must be read in conjunction with the demo manual prior to working on or modifying DC2898A.
DC2924A-B
Analog Devices Inc.The LTM4681 is a quad 31.25A or single 125A stepdown??Module? (power module) DC/DC regulator featuring?remote configurability and telemetry-monitoring?of power management parameters over PMBus. The?LTM4681 is comprised of digitally programmable analog?control loops, precision mixed-signal circuitry, EEPROM,?power MOSFETs, inductors and supporting components.The LTM4681?s 2-wire serial interface allows outputs?to be margined, tuned and ramped up and down at programmable?slew rates with sequencing delay times. True input current sense, output currents and voltages, output?power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not?required. At start-up, output voltages, switching frequency,?and channel phase angle assignments can be set by pinstrapping?resistors. The LTpowerPlay? GUI and DC1613?USB-to-PMBus converter and demo kits are available.?The LTM4681 is offered in a 15mm ? 22mm ? 8.17mm?BGA package available with SnPb or RoHS compliant?terminal finish.APPLICATIONS Multi-Rail Processor Power, Configurable Core Power
DC2984A
Analog Devices Inc.The LT3383 is a complete power management solution for advanced portable application processor-based systems. The device contains four synchronous step-down DC/DC converters for core, memory, I/O, and system on-chip (SoC) rails and three 300mA LDO regulators for low noise analog supplies.Regulator start-up is sequenced by connecting outputs to enable pins in the desired order. A master power-on pin is provided to initiate pin-strapped power-on sequences.A status pin is available to indicate regulator undervoltages. If an overtemperature or low supply fault is detected all regulators are disabled during the fault condition.The device is available in a 40-lead 6mm ? 6mm QFN with wettable flanks for optical inspection.APPLICATIONS Automotive Industrial Communications General Purpose Multichannel Power Supplies
LTC4451 | 40V, 7A Low Quiescent Current Ideal Diode with Shutdown Mode
Analog Devices Inc.Demonstration Circuit 3001A-B showcases the LTC4451 ideal diode controller with an integrated low RDS(ON) MOSFET. The board includes two independent LTC4451 ideal diodes sharing a common ground and operates over a range of 0V to 40V, carrying up to 8A at 25°C ambient temperature. The board can be set up in a diode-OR configuration by connecting the output channels together.
NOTE: Although the DC3001A-B can carry 8A at 25°C, the LTC4451 is designed for a max current of 7A across –40°C to 125°C. Please follow the data sheet recommendations to design your application across the operating temperature range.
LTC7817 Demo Board | Triple Output Synchronous Step-Up/Dual Step-Down Supply
Analog Devices Inc.Demonstration circuit 3033A is a triple output synchronous step-up/dual step-down supply featuring the LTC7817. The demonstration circuit is designed for two buck outputs 5V/10A, 3.3V/10A supplied by a boosted 10V output. Benefiting from this feature, the buck outputs are able to maintain regulation over a wide input voltage range of 4.5V to 36V which is suitable for automotive or other battery fed applications. Also, the demonstration circuit uses a drop-in layout whereas the main buck circuit components fit in an area of ¾-inch by 1½-inch, while the main boost circuit area is ¾-inch by 1¾-inch. The package style for the LTC7817 is a 38-pin exposed pad QFN.
The main features of the board include rail tracking (buck channels only), an internal 5V linear regulator for bias, separated RUN pins for each output, a PGOOD signal (CH1 only), and a mode selector that allow the converter to run in forced continuous mode (FCM), pulse-skipping (PSM) or Burst Mode® operation (BURST). Synchronization to an external clock is also possible. The LTC7817 data sheet gives a complete description of these parts, operation and application information. The data sheet must be read in conjunction with this quick start guide for demo circuit 3033A.
LTC3309B | 3.3V to 1.8V at 6A, 6.6MHz Low EMI Buck Regulator in a 0.47cm2 Solution
Analog Devices Inc.The LTC3309B is a very small, high efficiency, low noise, monolithic synchronous 6A step-down DC/DC converter operating from a 2.25V to 5.5V input supply. Using constant frequency, peak current mode control at switching frequencies 3MHz-10MHz and minimum on-time as low as 22ns, this regulator achieves fast transient response with small external components. Silent Switcher architecture minimizes EMI emissions. The LTC3309B operates in forced continuous or pulse skip mode for low noise, or the low-ripple Burst Mode operation for high efficiency at light loads, ideal for battery-powered systems. The IC regulates output voltages as low as 500mV. Other features include output over-voltage protection, short-circuit protection, thermal shut-down, clock synchronization, and up to 100% duty cycle operation for low dropout. The device is available in a low profile 12-lead 2mm ? 2mm נ0.74mm LQFN package with exposed pad for low thermal resistance.APPLICATIONSOptical Networking, Servers, Telecom Automotive, Industrial, CommunicationsDistributed DC Power Systems (POL) FPGA, ASIC, ?P Core Supplies
DC3080A-KIT
Analog Devices Inc.The LTC4126-ADJ is a low-power wireless single-cell Li-Ion battery charger with an integrated step-down DC/DC regulator. The step-down regulator is a low-noise multimode charge pump which is powered from the battery and provides a regulated 1.2V at the output. The switching frequency is set to either 50kHz or 75kHz depending on the mode to keep any switching noise out of the audible range.The constant-current constant-voltage Li-Ion battery charger has automatic recharge, automatic termination by safety timer, and battery temperature monitoring via an NTC pin. Charge current is programmable from 1mA to 50mA via an external resistor. Undervoltage protection disconnects the battery from all loads when the battery voltage is below 3.0V.The small package and minimal external component count make the LTC4126-ADJ and its variants suitable for hearing aid applications and other low power portable devices. See the chart in the data sheet.APPLICATIONSHearing AidsLow Power Li-Ion Powered DevicesWireless HeadsetsIoT Wearables
DC3082A-B
Analog Devices Inc.The LTM4681 is a quad 31.25A or single 125A stepdown??Module? (power module) DC/DC regulator featuring?remote configurability and telemetry-monitoring?of power management parameters over PMBus. The?LTM4681 is comprised of digitally programmable analog?control loops, precision mixed-signal circuitry, EEPROM,?power MOSFETs, inductors and supporting components.The LTM4681?s 2-wire serial interface allows outputs?to be margined, tuned and ramped up and down at programmable?slew rates with sequencing delay times. True input current sense, output currents and voltages, output?power, temperatures, uptime and peak values are readable. Custom configuration of the EEPROM contents is not?required. At start-up, output voltages, switching frequency,?and channel phase angle assignments can be set by pinstrapping?resistors. The LTpowerPlay? GUI and DC1613?USB-to-PMBus converter and demo kits are available.?The LTM4681 is offered in a 15mm ? 22mm ? 8.17mm?BGA package available with SnPb or RoHS compliant?terminal finish.APPLICATIONS Multi-Rail Processor Power, Configurable Core Power
LTM4681 Demo Board | PolyPhase Single Output Step-Down µModule Regulator with Digital PSM: 4 × LTM4681 at 480A
Analog Devices Inc.Demonstration circuit DC3082A-C features the LTM4681: the wide input and output voltage range, high efficiency and power density, high current PolyPhase® single output DC/DC step-down μModule® regulator with digital power system management. DC3082A-C is configured as 16-phase single output using 4× LTM4681. The factory default input voltage is 12V typical, output voltage is 1V at 480A typical or 500A peak with recommended 400LFM forced airflow. The demo board output voltages can be adjusted from 0.6V to 1V. Programming the output voltages to any value that is greater than 1V, requires derating output current based on thermal derating curves provided in the data sheet of the LTM4681. Heat sink or other appropriate electronic cooling systems can also be used in conjunction with forced airflow to further optimize the output power when the output is on and loaded with maximum output current. The factory default switching frequency is preset at 350kHz typical. DC3082A-C comes with PMBus interface and digital power system management functions. An onboard 12-pin connector is available for users to connect the dongle DC1613A to the demo board, provides an easy way to communicate and program the part using LTpowerPlay® software development tool. LTpowerPlay software and I2C/PMBus/SMBus dongle DC1613A allows users to monitor real time telemetry of input and output voltages, input and output current, switching frequency, internal IC die temperatures, power stage component temperatures and fault logs. Programmable parameters include device address, output voltages, control loop compensation, switching frequency, phase interleaving, DCM or CCM mode of operation, digital soft-start, sequencing and time based shutdown, fault responses to input and output overvoltage, output overcurrent, IC die and power component overtemperature.
The LTM4681 is available in a thermally enhanced, low profile 330-Lead (15mm × 22mm × 8.17mm) BGA package. It is recommended to read the data sheet and the demo manual of LTM4681 prior to use or making any hardware changes to DC3082A-C.
LTpowerPlay software can be downloaded here.
USB to PMBus Controller Dongle DC1613A for use with LTpowerPlay is available here.
LTC2980-24 | 24-Channel Power Supply System Featuring the LTC2980-24 Power System Manager
Analog Devices Inc.The DC3097A-KIT is a demonstration system for the LTC2980-24 for the 24-channel I2C/SMBus/PMBus Power System Manager (PSM) with EEPROM. It consists of 4 circuit boards, namely one DC3094A board and three DC1361B boards. The LTC2980-24 monitors and controls 24 power supply rails which are provided by three DC1361B power supply boards that plug into the DC3094A. The system demonstrates the ability of the LTC2980-24 to sequence, trim, margin, supervise, monitor, and log faults for the twenty-four power supplies. Together these four boards form a sophisticated, 24-channel, digitally programmable and digitally managed power supply system.
The board set contains twenty-four independent power supply rails, by having the three DC1361B boards. All 24 rails are based on LTM4603 DC/DC μModule® switching regulators. The DC1361B board is pre-configured with output voltages ranging from 0.8V to 3.3V. The power supply channels may be reconfigured to different output voltages by changing the feedback resistors. The LTC2980-24 can be configured to monitor current on odd numbered channels. The DC1361B board has been designed to allow the user to enable this feature on Channel 7. In this configuration, Channel 7 measures the current on Channel 6’s 1V output.
The LTpowerPlay® graphical user interface (GUI) supports this demonstration system and enables complete control of all the features of the LTC2980-24. Together, the LTpowerPlay software and DC3094A hardware system create a powerful development environment for designing and testing configuration settings of the LTC2980-24. LTpowerPlay stores these settings in the LTC2980-24 internal EEPROM or in a project file. The software displays all the configuration settings and real time measurements from the Power System Management IC. Telemetry allows easy access and decoding of the fault log created by the LTC2980-24. The board comes pre-programmed with the EEPROM values appropriate for the twenty-four power supply rails. Just plug and play!
Order preprogrammed devices from Analog Devices Express (ADX) using LTpowerPlay:
www.analog.com/programming
The DC3097A-KIT demo boards can be powered by an external power supply, such as a +12VDC supply. Communication with the software is provided through the DC1613 USB-to-I2C/SMBus/PMBus Controller. The following items are required:
+12VDC Power Supply
USB-to-I2C/SMBus/PMBus Controller (DC1613)
LTpowerPlay Software
DC3122A
Analog Devices Inc.The LTC3307A is a very small, high efficiency, low noise, monolithic synchronous 3A step-down DC/DC converter operating from a 2.25V to 5.5V input supply. Using constant frequency, peak current mode control at switching frequencies 1MHz to 3MHz and minimum on-time as low as 22ns, this regulator achieves fast transient response with small external components. Silent Switcher architecture minimizes EMI emissions.The LTC3307A operates in forced continuous or pulse skip mode for low noise, or low-ripple Burst Mode operation for high efficiency at light loads, ideal for battery-powered systems. The IC regulates output voltages as low as 500mV. Other features include output overvoltage protection, short-circuit protection, thermal shutdown, clock synchronization, and up to 100% duty cycle operation for low dropout. The device is available in a low profile 12-lead 2mm ? 2mm ? 0.74mm LQFN package with exposed pad for low thermal resistance.APPLICATIONS Optical Networking, Servers, Telecom Automotive, Industrial, Communications Distributed DC Power Systems (POL) FPGA, ASIC, ?P Core Supplies Battery Operated Systems
DC3129A-KIT
Analog Devices Inc.The LTC5597 is a high accuracy RMS power detector that provides a very wide RF input bandwidth, from 100MHz up to 70GHz. This makes the device suitable for a wide range of RF and microwave applications, such as point-to-point microwave links, instrumentation and power control applications. The DC output voltage of the detector is an accurate representation of the average signal power applied to the RF input. The response is linear-in-dB with 28.5mV/dB logarithmic slope over a 35dB dynamic range with typically better than ?1dB accuracy. The detector is particularly suited for measurement of waveforms with crest factor (CF) as high as 12dB, and waveforms that exhibit a significant variation of the crest factor during measurement. To achieve higher accuracy and lower output ripple, the averaging bandwidth can be externally adjusted by a capacitor connected between the FLTR and OUT pins. The enable interface switches the device between active measurement mode and a low power shutdown mode.Applications Point-to-Point Microwave Links SATCOM Instrumentation and Measurement Equipment Military Radios 5G, LTE, WiFi, Wireless Networks RMS Power Measurement Receive and Transmit Gain Control RF PA Transmit Power Control
LT8642-1 | 18V, 10A Synchronous Step-Down Silent Switcher
Analog Devices Inc.Demonstration circuit 3162A is a 18V, 10A synchronous step-down Silent Switcher® with spread spectrum frequency modulation featuring the LT8642-1. The demo board is designed for 1.2V output from a 2.8V to 18V input. The LT8642-1 is a compact, low emission, high efficiency, and high speed synchronous monolithic stepdown switching regulator. Special Silent Switcher architecture minimizes EMI emissions. Selectable spread spectrum mode can further improve EMI performance. Fast minimum on-time of 20ns enables high VIN to low VOUT conversion at high frequency.
The LT8642-1 switching frequency can be programmed either via a resistor or external clock over a 200kHz to 3MHz range. The default frequency of demo circuit 3162A is 2MHz. The LT8642-1 SYNC/MODE pin on the demo board is grounded (JP1 at BURST position) by default for low ripple Burst Mode® operation. Spread spectrum mode and forced continuous mode can be selected respectively by moving JP1 shunt. To synchronize to an external clock, move JP1 to FCM/SYNC and apply the external clock to the SYNC terminal.
The LT8642-1 data sheet gives a complete description of the part, operation, and application information. The data sheet must be read in conjunction with this demo manual for demo circuit 3162A. The LT8642-1 is assembled in a 3mm × 4mm LQFN package with exposed pads for low thermal resistance. The layout recommendations for low EMI operation and maximum thermal performance are available in the data sheet section Low EMI PCB Layout and Thermal Considerations.
LTC1751EMS8 | Regulated Charge Pump DC/DC Converter, 2.5V to 4.5V Input, 4VOUT @ 75mA
Analog Devices Inc.DC323A-C: Demo Board for LTC1751 Micropower, Regulated Charge Pump DC/DC Converters.
DC326C
Analog Devices Inc.The LT1766/LT1766-5 are 200kHz monolithic buck switching regulators that accept input voltages up to 60V. A high efficiency 1.5A, 0.2? switch is included on the die along with all the necessary oscillator, control and logic circuitry. A current mode control architecture delivers fast transient response and excellent loop stability.Special design techniques and a new high voltage process achieve high efficiency over a wide input range. Efficiency is maintained over a wide output current range by using the output to bias the circuitry and by utilizing a supply boost capacitor to saturate the power switch. Patented circuitry maintains peak switch current over the full duty cycle range. A shutdown pin reduces supply current to 25?A and the device can be externally synchronized from 228kHz to 700kHz with logic-level inputs.The LT1766/LT1766-5 are available in a 16-pin fused-lead SSOP package or a TSSOP package with exposed backside for improved thermal performance.Applications High Voltage, Industrial and Automotive Portable Computers Battery-Powered Systems Battery Chargers Distributed Power Systems
