Texas Instruments

TPS40422RSBR

The TPS40422RSBR is a high-efficiency, single-cell lithium-ion battery charger with a 5V USB input and a wide range of output voltages. It is manufactured by Texas Instruments (TI) and is available in a small, compact package.

Description:

The TPS40422RSBR is a highly integrated, step-down (buck) converter with a built-in power MOSFET and an internal power path management function. It is designed to provide a highly efficient and compact solution for charging single-cell lithium-ion batteries.

Features:

1. High efficiency: The TPS40422RSBR has a high efficiency of up to 93%, which helps to minimize power dissipation and reduce the need for heat sinks.
2. Wide input voltage range: The device can operate with an input voltage range of 4.5V to 5.5V, making it suitable for use with a variety of power sources, including USB ports.
3. Wide output voltage range: The output voltage can be programmed from 4.2V to 4.5V, allowing it to charge a wide range of lithium-ion batteries.
4. Integrated power MOSFET: The device features an integrated power MOSFET, which eliminates the need for an external MOSFET and reduces the overall size of the solution.
5. Thermal protection: The TPS40422RSBR includes thermal protection features, such as over-temperature shutdown and thermal foldback, to ensure safe operation.
6. Small package size: The device is available in a compact, thermally-optimized package, making it suitable for space-constrained applications.

Applications:

The TPS40422RSBR is suitable for a wide range of applications that require efficient and compact lithium-ion battery charging, including:

1. Portable electronic devices: Smartphones, tablets, and wearable devices.
2. IoT devices: Wireless sensors, smart home devices, and other IoT applications.
3. Medical devices: Portable medical equipment and wearable health monitors.
4. Consumer electronics: Cameras, GPS devices, and other portable electronics.
5. Industrial equipment: Portable power tools and other industrial equipment with lithium-ion batteries.

Overall, the TPS40422RSBR is a highly efficient and compact solution for charging single-cell lithium-ion batteries, making it suitable for a wide range of applications that require efficient and compact battery charging.