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G700-U10 Smartphone
Maintenance Manual
Signal
CHR_LDO Charging linear power supply
ISENSE
VBAT
Issue 1.0 (2013-07-22)
Description
Charging current detection input
A 0.2 ohm resistor (R909) is added between ISENSE
and VBAT to detect the charging current. The phone
software controls the charging process based on the
charging current.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
10 Circuit and Failure Analysis
Reference Value
or Waveform
2.8 V
/
/
40
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