WM8351CGEB/RV WOLFSON [Wolfson Microelectronics plc], WM8351CGEB/RV Datasheet - Page 157
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WM8351CGEB/RV
Manufacturer Part Number
WM8351CGEB/RV
Description
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8351CGEBRV.pdf
(330 pages)
- Current page: 157 of 330
- Download datasheet (4Mb)
Production Data
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In the constant current phase, the WM8351 drives a programmable constant current into the battery
through the BATT pin. During this phase, the battery voltage rises monotonically until the battery
reaches the target voltage.
When the battery reaches the target voltage, the charger enters the constant voltage phase, in which
the WM8351 regulates BATT to the target voltage. To achieve this, the WM8351 adjusts the charge
current adaptively. The charge current decreases monotonically over time. Fast charging is disabled
when the current falls to a programmable ‘End of Charge’ threshold level.
Figure 77 A Typical Charge Cycle
Fast charging consists of two phases:
PD, April 2012, Rev 4.5
WM8351
157
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