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U8185
Maintenance Manual
If the battery is fully discharged, Vbat < Vweak and the typical voltage is 3.2 V . To protect the
VDD from being pulled down, trickle charging is performed.
Issue 1.0 (2012-03-23)
Constant current charging
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
9 Principles and Failure Analysis
27
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