User`s manual

BD2-2860 User’s Manual
CITIZEN
15
5. POWER SUPPLY
5.1 Specifications
VCC : 5V ± 5% 180 mA
VP : 4.2V ~ 8.5V 1.3A (Peak : Approx.4.0A)
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 Vdd before VH When power is supplied to this control board.
(2) Design the product to turn off the power for Vdd after VH when power is turned off.
(3) Make sure to turn off the power in case of connecting / disconnecting connectors.
(4) Make sure to use Vdd and VH following their specifications.
(5) Make sure to use this control board connecting all of terminals between VH and P-GND.