LP3921 Datasheet, PDF (2/41 Pages) National Semiconductor (TI) – Battery Charger Management and Regulator Unit with Integrated Boomer® Audio Amplifier

LP3921
SNVS580A – AUGUST 2008 – REVISED MAY 2013
System Diagram
AC Adapter
Li-Ion Charger
I /O
Interface
of
Baseband
Processor
Ichg
Monitor
Serial
Interface
Control
Audio
7 x LDO
+-
www.ti.com
BB Processor
Power Domains
Memory
RF
Peripheral
Devices
2
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