LM3658SDX-B - Texas Instruments

Manufacturer Part Number

LM3658SDX-B

Manufacturer

Texas Instruments

Introduction

Integrated battery charger for single-cell Lithium Ion/Polymer batteries

Product Features and Performance

Supports a single Lithium Ion or Lithium Polymer cell

Programmable constant charging current

Over Current and Over Temperature Fault Protection

Maximum Charge Current of 1A

Designed to operate with a 4.2V battery pack voltage

Voltage supply maximum of 6V

USB compatible interface

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

Product Advantages

High integration for space-saving on PCB

Programmable current for flexibility in charging different battery capacities

Robust fault protection enhances battery safety

USB interface for universal connectivity and use with standard ports

High-temperature operational range for use in various environments

Key Technical Parameters

Battery Chemistry: Lithium Ion/Polymer

Number of Cells: 1

Constant Charging Current: 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

Quality and Safety Features

Fault Protection mechanisms for safe operation

Reliable performance over specified temperature range

Compatibility

Compatible with single-cell Lithium Ion/Polymer batteries

USB interface for charging via standard USB ports

Application Areas

Portable consumer electronics

Mobile devices and smartphones

Wearable technology

Electronic gadgets requiring single-cell Lithium Ion or Polymer rechargeable batteries

Product Lifecycle

Product Status: Obsolete

Replacements or upgrades should be considered due to obsolescence

Several Key Reasons to Choose This Product

Compact and integrated solution minimizing external components and PCB space

Flexibility in charging through programmable charging current

Safety with robust fault protection features

Operational across a wide temperature range suited for different environments

Easy interfacing with USB for convenience and widespread compatibility

Noteworthy for Texas Instruments' reputation in Power Management technology