LP3947ISD-51 - Texas Instruments

Manufacturer Part Number

LP3947ISD-51

Manufacturer

Texas Instruments

Introduction

The LP3947ISD-51 is a lithium-ion battery charger integrated circuit designed for portable electronics.

Product Features and Performance

Lithium-ion battery chemistry compatibility

Single-cell charging support

Programmable constant charging current

Over-voltage fault protection

Maximum charge current of 750mA

Battery pack voltage support up to 4.2V

Maximum supply voltage of 6V

I2C and USB interface options

Operating temperature range from -40°C to 85°C

Surface mount device

Product Advantages

Integrated battery charger for design simplification

Programmable charging parameters for flexibility

High charge current capability for faster charging

Safety features to protect against voltage irregularities

Broad operating temperature suitable for diverse environments

Key Technical Parameters

Battery Chemistry: Lithium Ion

Number of Cells: 1

Charge Current - Max: 750mA

Battery Pack Voltage: 4.2V

Voltage - Supply (Max): 6V

Interface: I2C, USB

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Fault protection against over-voltage scenarios

Compatibility

Designed for use with lithium-ion single-cell battery packs

Compatible with I2C and USB interfaces

Application Areas

Portable electronic devices

Mobile phones

Media players

Product Lifecycle

Obsolete status

Potential for limited availability

Alternatives or upgrades should be considered

Several Key Reasons to Choose This Product

High current charging capability for reduced charging time

Flexible and programmable through I2C for specific application needs

Built-in safety features to ensure battery protection during charging

Suitable for integration into compact electronic assemblies due to small package size

Extended operating temperature range

Industry-leading semiconductor manufacturer with a reputation for quality and reliability