Overview

RETIRED - Left as a reference for Crowd Supply campaign backers. For the current version please visit the DCM224 repository.

The EEZ DIB DCM220 Power module features dual sync buck converters based on LT3763 with programmable output voltage and current limit.

Feature list

• On-board STM32F373 MCU Power input: 48 Vdc (e.g. Mean Well LRS-150F-48)
• Max. output power: up to 2 x 80 W
• Voltage regulation (CV), 1 – 20 V. Voltage set resolution (U_SET): 12-bit, read resolution (U_MON): 15-bit
• Current regulation (CC), 0.3 – 4 A. Current set resolution (I_SET): 12-bit, Current read resolution (I_MON): 15-bit
• On-board power pre-regulator and bias power supply
• Output Enable (OE) and Constant Current mode (CC) LED indications
• Output LC filter for improved ripple and noise
• On-board 4 mm power output terminals with standard (19.05 mm) pitch
• Pass-thru connector for Vout- coupling with other DIB power modules
• Galvanically isolated SPI bus for communication with MCU board
• I2C EEPROM for storing board specific configuration and calibration parameters
• Dimensions: 155 x 95 mm, 2-layer PCB

Firmware repository

https://github.com/eez-open/dib-dcm220-fw The firmware download procedure is described in the User Manual in Chapter 13.