M62255FP データシートの表示（PDF） - Renesas Electronics

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M62255FP

General Purpose Battery Charger Control IC

Renesas Electronics 

M62255FP

Charge current of current detect R is multiplied by 10 and outputted from DOUT.

M62255 is for the floating detection type. Current detect R is connected to + terminal of battery. So M62255 is best fit

for SM-bus system, because the common GND can be given between PC system and the charger circuit.

Discharge current is detected by the same method as charge current. Detecting discharge current can be used for

monitoring the current consumption and the remnant of the battery.

To 10 times

amplifier

Current

detect

circuit

ISENSE+

ISENSE−

Charge current

Detect R

To 4 times

amplifier

Multiplexer

circuit

IN1 to IN4

Figure 3 Detector Circuit of Battery Voltage/Charge Current

REJ03F0245-0200 Rev.2.00 Sep 14, 2007

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