LP3918TL/NOPB

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Texas Instruments

BATTERY CHARGE MANAGEMENT AND REGULATOR UNIT

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DocumentsLP3918 Battery Charge Management and Regulator Unit datasheet (Rev. D)Datasheet

LP3918TL/NOPB

Active

Texas Instruments

BATTERY CHARGE MANAGEMENT AND REGULATOR UNIT

Deep-Dive with AI

DocumentsLP3918 Battery Charge Management and Regulator Unit datasheet (Rev. D)Datasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	LP3918TL/NOPB	LP3918 Series

Battery Chemistry	Lithium Ion	Lithium Ion
Battery Pack Voltage	4.2 V	4.2 V
Charge Current - Max [Max]	950 mA	950 mA
Current - Charging	Constant - Programmable	Constant - Programmable
Fault Protection	Reverse Current	Reverse Current
Interface	I2C	I2C
Mounting Type	Surface Mount	Surface Mount
Operating Temperature [Max]	85 °C	85 °C
Operating Temperature [Min]	-40 °C	-40 °C
Package / Case	25-WFBGA	25-WFBGA
Supplier Device Package	25-uSMD	25-uSMD
Voltage - Supply (Max) [Max]	6 V	6 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 1.99
		10	$ 1.78
		25	$ 1.68
		100	$ 1.43
	Digi-Reel®	1	$ 1.99
		10	$ 1.78
		25	$ 1.68
		100	$ 1.43
	Tape & Reel (TR)	250	$ 0.95
		500	$ 0.83
Texas Instruments	SMALL T&R	1	$ 1.72
		100	$ 1.42
		250	$ 1.02
		1000	$ 0.77

LP3918 Series

IC BATT CHG LI-ION 25USMD

Part	Current - Charging	Mounting Type	Battery Pack Voltage	Voltage - Supply (Max) [Max]	Fault Protection	Interface	Supplier Device Package	Operating Temperature [Max]	Operating Temperature [Min]	Battery Chemistry	Charge Current - Max [Max]	Package / Case
Texas Instruments LP3918TLX/NOPB Charger IC Lithium Ion 25-uSMD	Constant - Programmable	Surface Mount	4.2 V	6 V	Reverse Current	I2C	25-uSMD	85 °C	-40 °C	Lithium Ion	950 mA	25-WFBGA
Texas Instruments LP3918TL/NOPB The LP3918 is a fully integrated charger and multi-regulator unit designed for CDMA cellular phones. The LP3918 contains a Li-Ion battery charger, 7 low noise low dropout (LDO) voltage regulators and a high-speed serial interface to program on/off conditions and output voltages of individual regulators, and also to read status information from the PMU. The Li-Ion charger integrates a power FET, reverse current blocking diode, sense resistor with current monitor output, and requires only a few external components. Charging is thermally regulated to obtain the most efficient charging rate for a given ambient temperature. LDO regulators provide high PSRR and low noise ideally suited for supplying power to both analog and digital loads. The LP3918 is a fully integrated charger and multi-regulator unit designed for CDMA cellular phones. The LP3918 contains a Li-Ion battery charger, 7 low noise low dropout (LDO) voltage regulators and a high-speed serial interface to program on/off conditions and output voltages of individual regulators, and also to read status information from the PMU. The Li-Ion charger integrates a power FET, reverse current blocking diode, sense resistor with current monitor output, and requires only a few external components. Charging is thermally regulated to obtain the most efficient charging rate for a given ambient temperature. LDO regulators provide high PSRR and low noise ideally suited for supplying power to both analog and digital loads.	Constant - Programmable	Surface Mount	4.2 V	6 V	Reverse Current	I2C	25-uSMD	85 °C	-40 °C	Lithium Ion	950 mA	25-WFBGA
Texas Instruments LP3918TL-A/NOPB Charger IC Lithium Ion 25-uSMD	Constant - Programmable	Surface Mount	4.2 V	6 V	Reverse Current	I2C	25-uSMD	85 °C	-40 °C	Lithium Ion	950 mA	25-WFBGA

Description

General part information

LP3918 Series

The LP3918 is a fully integrated charger and multi-regulator unit designed for CDMA cellular phones. The LP3918 contains a Li-Ion battery charger, 7 low noise low dropout (LDO) voltage regulators and a high-speed serial interface to program on/off conditions and output voltages of individual regulators, and also to read status information from the PMU.

The Li-Ion charger integrates a power FET, reverse current blocking diode, sense resistor with current monitor output, and requires only a few external components. Charging is thermally regulated to obtain the most efficient charging rate for a given ambient temperature.

LDO regulators provide high PSRR and low noise ideally suited for supplying power to both analog and digital loads.