Power Supply; Specifications; Precautions - Citizen BD2-2880 User Manual

5. POWER SUPPLY

5.1 Specifications

VCC : 5V ±5% Approx. 130 mA
VP : 4.2V ~ 8.5V Approx. 1.5A (Peak : Approx. 4A) when 7.2V
Ordinal Voltage is to be 7.2V (Max). 8.5V is a voltage that is right after charging.
8.5V cannot be used for ordinal voltage.

5.2 Precautions

(1) Design the product to supply power to Vcc before VP when power is supplied to this control
board.
(2) Design the product to turn off the power for Vcc after VP when power is turned off.
(3) Make sure to turn off the power in case of connecting/disconnecting connectors.
(4) Make sure to use Vcc and VP following their specifications.
(5) Make sure to use this control board connecting all of terminals between VP and P-GND.
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BD2-2880/2890 User's Manual