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LA5621V Datasheet(PDF) 4 Page - Sanyo Semicon Device |
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LA5621V Datasheet(HTML) 4 Page - Sanyo Semicon Device |
4 / 6 page Pin Functions No. 5640-4/6 LA5621M, 5621V Pin No. Pin name Function LA5621M LA5621V 1 1 BIAS1 Resistor connection pin for setting non-reversed input potential of comparator 1 22 VIN1–* Reversed input of comparator 1 (for charge current detection) 33 VIN1+* Non-reversed input of comparator 1 (for charge current detection) 4 4 CPU Microcontroller signal input pin 5 5 BIAS2 Resistor connection pin for setting non-reversed input potential of comparator 2 66 VIN2–* Reversed input of comparator 2 (for countercurrent detection when 2 batteries are used) 77 VIN2+* Non-reversed input of comparator 2 (for countercurrent detection when 2 batteries are used) — 8 NC No connection — 9 NC No connection 8 10 GND Substrate of this IC (Lowest potential) 9 11 CHARGE Charging signal input pin, charge with low 10 12 CHARGE INH Charge prohibition signal input pin, charge prohibition with low (becomes low during discharge mode for lithium-ion battery that set operates on) 11 13 BATT/EXT On/off control pin of this IC, except Gate block (becomes "Open" during discharge mode for lithium-ion battery that set operates on) 12 14 VCC2 Power supply input 13 15 GATE Gate connection pin of external power MOSFETs 14 16 VCC1 Lithium-ion battery + side input pin Specified Test Circuit Note: * If negative voltage is applied due to countercurrent, etc., up to 1.5 mA can be allowed. Operating temperature, Ta — °C |
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