2/13
© 2021 ROHM Co., Ltd.
No. 64UG016E Rev.001
MAY.2021
User’s Guide
BD71631QWZ-EVK-001
EVK
Figure 1. BD71631QWZ-EVK-001(Top View)
EVK Schematic
120k
180k
30k
30k
5.1k
51k
U1
Figure 2. BD71631QWZ-EVK-001 Circuit Diagram
Operating Procedure
1.
Turn off the DC power supply and connect the GND terminal of the power supply to the GND1 terminal of the EVK.
2.
Connect the positive terminal of the DC power supply to the VIN pin of the EVK.
3.
Connect the positive terminal of the DC power supply that can sink to the VOUT pin of the EVK.
4.
Connect a current meter between the VOUT terminal of the EVK and the positive terminal of DC power supply of VOUT.
5.
Connect a voltmeter between the VOUT terminal and GND terminal of EVK.
6.
Turn on the DC power supply of VOUT.
7.
Turn on the DC power supply of VIN. The power supply on the VOUT side is set to 4.2V or lower, charging will start and
current will flow through the ammeter.
(Caution) This EVK does not support hot plug. Do not perform hot plug test.
Downloaded From
