DC1936A - LTC3882EUJ Demo Board | Dual Buck Voltage Mode Controller with PSM, 7V ≤ VIN ≤ 14V; 0.8V ≤ VOUT0 ≤ 1.8V @ 30A, 0.8V ≤ VOUT1 ≤ 1.8V @ 30A
Demonstration circuit 1936A is a high current, high efficiency, polyphase synchronous buck converter featuring the LTC3882EUJ, a dual output polyphase voltage mode controller. The LTC3882 has the PMBus interface and power system management functions.
The DC1936A uses 6mm × 6mm DrMOS as the power stage. The input range of this board is from 7V to 14V, and the output voltage can be programmed from 0.8V to 1.8V. The DC1936A provides two outputs, with each output capable of 1V/30A. The DC1936A has optional discrete driver (LTC4449EDCB) and MOSFET footprints for high input voltage applications up to 38V. The DC1936A also has an on-board dynamic load circuit, which makes it easy for the customer to evaluate the transient performances.
Companion Demo Boards
DC1613A - USB-to-PMBus Controller for Use with LTpowerPlay
DC2026C - Linduino One Isolated USB Demo Board: An Arduino- and QuikEval-Compatible Code Development Platform
Software
LTpowerPlay
LTpowerPlay is a powerful development environment supporting Linear Technology's Digital Power System Management (PSM) products, providing unprecedented diagnostic and debug features.
LTpowerCAD
The LTpowerCAD design tool is a complete power supply design tool program that can significantly ease the tasks of power supply design. It guides users to a solution, selects power stage components, provides detailed power efficiency, shows quick loop bode plot stability and load transient analysis, and can export a final design to LTspice for simulation. Click here to download LTpowerCAD
To open the project file for this circuit:
- Step 1: If you have not installed LTpowerCAD on this computer, download and install LTpowerCAD
- Step 2: Once LTpowerCAD is installed, click on the link(s) below to open the project file
- Step 3: If LTpowerCAD does not automatically open after clicking the link above, you can open the project file by right clicking on the link and selecting "Save Target As." After saving the file to your computer, start LTpowerCAD and open the project file by selecting 'Open Project' from the 'File' menu
Linduino
Linduino is an Arduino compatible platform for developing and distributing firmware libraries and code for SPI and I²C-compatible integrated circuits. The Linduino One board interfaces to more than 300 QuikEval demonstration cards, supporting a variety of product types including analog-to-digital converters (ADCs), digital-to-analog converters (DACs), power monitors, and more. Firmware libraries for individual devices are written in C and designed to be portable to a wide variety of processors and microcontrollers. Each library has a demonstration program that can be uploaded to the Linduino One platform to allow the circuit and software to be quickly and easily verified.
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