MIC33M656
EVALUATION BOARD
USER’S GUIDE
2019 Microchip Technology Inc.
DS50002914A-page 11
Chapter 2. Installation and Operation
2.1
INTRODUCTION
The MIC33M656 Evaluation Board has been developed to test the MIC33M656 module
capabilities, including loading up to 6A, control and monitor through the USB interface
(via the I
2
C monitor GUI). Pin headers are also fitted for Bode analysis and external I
2
C
communication.
FIGURE 2-1:
MIC33M656 Step-Down Regulator with MCP2221 I
2
C Bridge.
MCP2221
MIC33M656
USB
I/F
V
USB
Data
PWR
V
IN
V
OUT
PWR
SCL
SDA
V
IN
PG
EN
SCL
SDA
PG
EN
Note 1:
Three-way jumper fitted for selection of I
2
C pull-up voltage.
2:
I
2
C bus (SDA, SCL), EN control and PG status via MCP2221 USB bridge.
