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Microsemi LX2203AILD - High-Performance Lithium-Ion Battery Charger IC

The LX2203AILD from Microsemi Corporation is a precision-engineered single-cell lithium-ion and lithium-polymer battery charger integrated circuit designed for demanding embedded, industrial, automotive, and IoT applications. This advanced charging solution delivers programmable constant current charging up to 1A with exceptional thermal management and comprehensive fault protection.

Key Features & Benefits

  • Programmable Charging Current: Flexible constant current charging up to 1A for optimized battery performance
  • Wide Operating Temperature Range: Reliable operation from -40°C to 85°C for harsh environments
  • Comprehensive Protection: Built-in over-temperature, reverse current, and short circuit protection
  • Compact Surface Mount Package: Space-saving 10-TFDFN/10-MLPD (3x3mm) design for high-density PCB layouts
  • Single-Cell Optimization: Precisely calibrated for 4.2V Li-Ion/Polymer battery packs

Applications & Use Cases

The LX2203AILD is ideal for portable electronics, battery-powered IoT devices, industrial sensors, automotive accessories, and embedded systems requiring reliable single-cell Li-Ion/Polymer battery charging. Its robust protection features and wide temperature range make it suitable for mission-critical applications in challenging environments.

Quality & Compliance

This component is RoHS compliant, ensuring environmental responsibility and regulatory compliance for global markets. Microsemi's rigorous quality standards guarantee long-term reliability and consistent performance across production batches.


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Product attributes Property Value
Manufacturer Microsemi Corporation
Product Series
Packaging |
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features Current
Fault Protection Over Temperature, Reverse Current, Short Circuit
Charge Current - Max 1A
Battery Pack Voltage 4.2V
Voltage - Supply (Max) 6V
Interface -
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 10-TFDFN Exposed Pad
Supplier Device Package 10-MLPD (3x3)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

No datasheet available. Please contact sales@hqickey.com for the latest datasheet.