The LM3658SD-A from Texas Instruments is a highly integrated dual-input USB/AC Li-Ion and Li-Polymer battery charger designed for portable applications. This advanced charging solution is engineered to accommodate the demanding energy needs of modern portable devices, ensuring a rapid and efficient charging process.

Key Features

• Dual Input Power: The LM3658SD-A supports both USB and AC adapter inputs, allowing users the flexibility to charge their devices from various power sources.
• Automatic Power Source Selection: It automatically selects the appropriate power source (USB or AC) without external user intervention.
• High Charge Efficiency: With its high-efficiency charging capability, the device ensures minimal heat generation and optimal battery performance.
• Charge Termination: The charger includes a feature for automatic charge termination, which helps in maintaining battery health and longevity.
• Temperature Monitoring: An integrated temperature monitoring function safeguards the battery against extreme conditions during the charge cycle.
• LED Status Indicator: An onboard LED provides visual indication of charging status, making it easy for users to monitor the charging process.

Applications

The LM3658SD-A is suitable for a wide range of applications, particularly where efficient charging of Li-Ion and Li-Polymer batteries is critical. It is an excellent choice for:

• Smartphones and Tablets
• Portable Media Players
• Digital Cameras and Camcorders
• Handheld Gaming Devices
• Bluetooth Headsets and Wearable Technology

Technical Specifications

The LM3658SD-A operates over a wide input voltage range and provides a fixed output voltage optimized for single-cell batteries. It is available in a compact package, making it ideal for space-constrained applications. The product also meets all the necessary regulatory standards, ensuring both safety and reliability.

Conclusion

In summary, the Texas Instruments LM3658SD-A is a versatile and efficient solution for portable device charging needs. With its dual-input design, automatic power source selection, and advanced safety features, it stands out as a robust option for maintaining the power requirements of today's high-usage electronic devices.