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IC with 1-channel power supply support functionality


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  • 365 Days Quality Guarantee
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Quick Inquiry

Please submit RFQ for LM3658SD-A or email to us: Email: [email protected], we will contact you in 12 hours.

Overview of LM3658SD-A

The LM3658SD-A is a highly integrated single-cell Li-ion battery charger designed for space-constrained portable applications. It features a synchronous step-down converter to maximize efficiency and minimize heat dissipation, enabling faster charging while maintaining low power consumption. With a programmable charge current of up to 1.2A, it offers flexibility to suit various battery capacities and charging requirements.This charger integrates comprehensive safety features, including thermal regulation and protection, over-voltage and over-current protection, and battery temperature monitoring, ensuring safe and reliable charging operations. Its compact package and minimal external components simplify design integration, reducing PCB footprint and overall system cost.Moreover, the LM3658SD-A supports USB On-The-Go (OTG) functionality, enabling the charging of external devices from the battery while charging the internal battery simultaneously. This versatility makes it an ideal solution for a wide range of portable devices, including smartphones, tablets, and handheld instruments, where space efficiency, performance, and safety are paramount considerations

Key Features

  • Wide input voltage range (4.5V to 16V)
  • High integration (PWM controller, voltage reference, gate drive, and protection circuitry)
  • Adjustable output voltage (1.5V to 6.5V)
  • Low dropout operation (100% duty cycle)
  • Up to 1.2A output current
  • Thermal shutdown and overcurrent protection
  • Small 10-pin WSON package
  • Application

  • The LM3658SD-A is commonly used in portable electronic devices such as smartphones, tablets, digital cameras, and portable media players
  • It is specifically designed for managing power from single-cell lithium-ion batteries, making it suitable for a wide range of battery-powered applications requiring efficient power management
  • Specifications

    The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

    Product Category Battery Management Product Charge Management
    Battery Type Lithium-ion, Lithium Polymer Output Voltage 4.2 V
    Output Current 0 A to 1 A Operating Supply Voltage 4.35 V to 6 V
    Package / Case LLP EP Brand Texas Instruments
    Height 0.8 mm Length 3 mm
    Maximum Operating Temperature + 85 C Minimum Operating Temperature - 40 C
    Product Type Battery Management Subcategory PMIC - Power Management ICs
    Type Battery Charger Width 3 mm

    Warranty & Returns

    Warranty, Returns, and Additional Information

    • QA & Return Policy

      Parts Quality Guarantee: 365 days

      Returns for refund: within 90 days

      Returns for Exchange: within 90 days

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