LP3918TLX-A NOPB ,Battery Charge Management and Regulator Unit 25-DSBGA -40 to 125Device Pin DiagramFigure 2. LP3918 25 pin DSBGA PackageTOP VIEWACOK5 LDO7 LDO6 LDO5 VIN2_NRESET PON ..
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LP3918TLX-A NOPB
Battery Charge Management and Regulator Unit
7 x LDO
Control
Serial
Interface
Li - Ion Charger
Monitor+
Memory
Peripheral
Devices
Checkfor Samples: LP3918
1FEATURES KEY SPECIFICATIONS Fully Integrated Li-Ion Battery Charger with • 50mAto 950mA Programmable Charge
Thermal Regulation Current USB Charge Mode • 3.0Vto 5.5V Input Voltage Range 7 Low Noise LDO’s • 200mV Typ. Dropout Voltage on 300 mA LDO’s 2x 300 mA • 2% (Typ) Output Voltage Accuracy on LDO’s 3x 150 mA DESCRIPTION– 2x80 mA The LP3918isa fully integrated charger and multi-
• I2C Compatible Interface for Controlling LDO regulator unit designed for CDMA cellular phones.
Outputs and Charger Operation The LP3918 containsa Li-Ion battery charger,7 low
Thermal Shutdown noise low dropout (LDO) voltage regulators anda
high-speed serial interface to program on/off
• Under Voltage Lockout conditions and output voltages of individual
• 25-Bump Thin DSBGA Package 2.5x 2.5 mm regulators, and alsoto read status information from
• Options Available on Request, Please Contact the PMU.
Sales Office for Further Information; The Li-Ion charger integrates
– Level Detect on HF_PWR& PWR_ON current blocking diode,
monitor output, and requires
– LDO Charging Modecomponents. Charging
– Custom Default Settings on Charger, and obtain the most efficient
LDO O/P's. ambient temperature.
LDO regulators provide high PSRR and low noise
APPLICATIONSideally suited for supplying powerto both analog and
• CDMA Phone Handsets digital loads.
• Low Power Wireless Handsets Handheld Information Appliances Personal Media Players Digital
