Texas Instruments

TLV70312DBVR

The TLV70312DBVR is a low-power, high-accuracy, single-cell lithium-ion and lithium-polymer battery charger from Texas Instruments. It is designed to provide efficient and reliable charging for a wide range of battery-powered applications.

Description:

The TLV70312DBVR is a highly integrated, step-down battery charger that features a constant current/constant voltage (CC/CV) charging algorithm. It is available in a small, thermally efficient DFN10 package, making it ideal for space-constrained applications.

Features:

1. Input voltage range: 4.5V to 6V
2. Output voltage range: 4.2V to 4.4V
3. Charging current: Programmable up to 1.2A
4. Charging current accuracy: ±3%
5. Thermal protection: Thermal shutdown and thermal regulation
6. Battery temperature monitoring: Supports external NTC thermistor for over-temperature protection
7. Charging status indicator: Charge complete and charge fault indicators
8. Reverse current protection: Protects against reverse battery connection
9. Short-circuit protection: Limits charging current during a short-circuit event
10. Small package: DFN10 package for space-constrained applications

Applications:

1. Portable electronics: Smartphones, tablets, and wearable devices
2. IoT devices: Wireless sensors, smart home devices, and industrial IoT devices
3. Medical devices: Portable medical equipment and wearable health monitors
4. Consumer electronics: Bluetooth speakers, headphones, and portable gaming devices
5. Industrial equipment: Portable power tools, handheld test equipment, and remote monitoring devices

The TLV70312DBVR offers a highly efficient and accurate charging solution for single-cell lithium-ion and lithium-polymer batteries, making it suitable for a wide range of battery-powered applications. Its small package size and integrated features make it an ideal choice for compact, portable devices.