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The LM3658SD is a high-performance single-cell lithium-ion/polymer battery charger IC from Texas Instruments, designed for portable and embedded applications requiring reliable power management. This advanced battery management solution delivers up to 1A programmable charging current with comprehensive safety features including over-current and over-temperature protection.

Key Features:

  • Single-cell Li-Ion/Polymer battery charging with 4.2V pack voltage
  • Programmable constant charging current up to 1A
  • USB interface for universal compatibility
  • Integrated fault protection: over-current and over-temperature
  • Wide operating temperature range: -40°C to 85°C
  • Compact 10-WSON (3x3mm) surface mount package
  • Maximum supply voltage: 6V

Applications: Ideal for smartphones, tablets, portable medical devices, handheld instruments, wireless sensors, and IoT devices requiring efficient single-cell battery charging solutions.

Quality Assurance: All components are sourced directly from authorized distributors, ensuring authenticity and full manufacturer warranty coverage. We provide comprehensive lifecycle support for embedded and industrial applications.

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Explore our complete range of Battery Chargers for various applications and battery chemistries. Browse thousands of authentic semiconductor components at HQICKEY, your trusted source for embedded and industrial electronics. Stay updated with the latest industry insights and technical articles on our News & Technical Blog.

Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Tape & Reel (TR) |
Battery Chemistry Lithium Ion/Polymer
Number of Cells 1
Current - Charging Constant - Programmable
Programmable Features -
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 (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 10-WFDFN Exposed Pad
Supplier Device Package 10-WSON (3x3)

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