LM3658SDX - Texas Instruments

Manufacturer Part Number

LM3658SDX

Manufacturer

Texas Instruments

Introduction

Integrated circuit for power management, specifically designed as a battery charger for single-cell Lithium Ion/Polymer batteries.

Product Features and Performance

Supports single-cell Lithium Ion/Polymer battery charging

Constant programmable charging current

Fault protection against overcurrent and overtemperature conditions

Supports a maximum charge current of 1A

Designed for a battery pack voltage of 4.2V

Operates with a supply voltage up to 6V

USB interface compatibility

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

Surface mount package type for PCB integration

Product Advantages

High charging current capability for faster charging

Built-in fault protection enhances safety

USB interface for convenient charging via USB sources

Wide operating temperature range suitable for various environments

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Current - Charging: Constant - Programmable

Fault Protection: Over Current, Over Temperature

Charge Current - Max: 1A

Battery Pack Voltage: 4.2V

Voltage - Supply (Max): 6V

Interface: USB

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 10-WFDFN Exposed Pad

Supplier Device Package: 10-WSON (3x3)

Quality and Safety Features

Overcurrent protection to prevent battery damage

Overtemperature protection to ensure safe charging conditions

Compatibility

Interfaces with USB for charging

Designed for Lithium Ion/Polymer single-cell batteries

Application Areas

Portable electronic devices

USB-powered gadgets

Battery-powered consumer electronics

Product Lifecycle

Obsolete status

Potential for limited availability

Alternatives or upgrades may be required for new designs

Several Key Reasons to Choose This Product

High charge current option for rapid charging processes

Comprehensive fault protection for improved safety

USB interface for widespread compatibility

Wide operating temperature range for versatility in various environments

Obsolete status may favor heritage designs familiar with the product's specifications and performance