Rohm BD57121MUF-M, Руководство пользователя

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User
’s Guide
BD57121MUF-EVK-001
© 2019 ROHM Co., Ltd.
No. 61UG042E Rev.001
JAN.2019
Operation Procedures
1. Required equipment
(1) 12V, 3A DC power supply
(2) BD57121MUF-EVK-001 Evaluation board (this EVK)
(3) Qi compliant receivers (Qi compliant Smartphone / Rohm's EVK receiver: BD57015GWL-EVK-002)
(4) Load (Electronic load or resistor is prepared as a load on the receiver side, if necessary)
(5) DC voltage meter
(6) NFC card / tag
2. Connecting the equipment
(1) Set the DC power supply to 12V and turn off the power supply output.
(2) Confirm that SW1 on the EVK is on the OFF side.
(3) Connect the positive terminal of the power supply to the ADPV terminal and the negative terminal of the power supply to the
GNDADPV terminal with a pair of wires.
(4) Turn on the DC power supply output.
(5) Set SW1 to ON, then LED4 lights on green.
DC Power
Supply
+ -
SW1
Left : ON
Center: OFF
Right : OFF
LED indicators
Qi Coil
NFC Antenna
GNDADPV ADPV
Figure 4. Connection