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© 2022 ROHM Co., Ltd.
65UG067E Rev.001
Dec.2022
User’s Guide
BD83A14EFV-M-001
Evaluation board
Figure 1. Top view Figure 2. Bottom view
Evaluation board setup
Figure 3. Evaluation board setup
Operating procedure
1. Connect panel or LEDs to evaluation board. (Anode to VOUT-pin. Cathode to LEDx-pin.)
2. Connect power supply to +B-pin and –B-pin of the evaluation board.
3. Connect power supply to EN-pin. It must be less than 7V.
4. Connect pulse generator to PWM-pin. It should be 100Hz to 25kHz and the minimum pulse width must be
longer than 0.5μs.
5. Turn on the power supply for +B-pin.
6. Turn on the power supply for EN-pin.
7. Turn on the pulse generator for PWM-pin.
