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2022-09-24 23:16:53
ADP3500-CDMA Power Management System
Features handle all CDMA baseband and RF/IF power management functions LDO optimized for specific CDMA subsystem
Operation in Four Standby Modes Backup LDOs
Quad Li-ion battery charging mode
5mA Precharge Low Current Charge Full Current Charge Regulation Mode (No Current Limit)
Ambient temperature: -30°C to +85°C
64pin LQFP package 7x7
application
CDMA/CDMA2000/PCS mobile phone
Overview
ADP3500 is a multifunctional power system optimization chip for power management of CDMA mobile phones. It contains 15 LDOs. Advanced controls are provided in battery charging, keyboard interface, GPIO/INT functions and RTC functions. This battery charger has four pre-charge, low-mode current charging, full current charging, and regulation modes, and is designed for Li-Ion/Li-Polymer batteries.