Texas Instruments

BQ24312DSGR

The BQ24312DSGR is a highly integrated, high efficiency, single-cell linear charger with USB OTG (On-The-Go) from Texas Instruments. It is designed to provide a compact and efficient solution for charging single-cell lithium-ion or lithium-polymer batteries.

Description:

The BQ24312DSGR is a fully integrated, high-efficiency linear battery charger with USB On-The-Go (OTG) capability. It is designed to charge single-cell lithium-ion or lithium-polymer batteries with a wide range of input voltages, from 4.5V to 28V. The device includes an integrated microcontroller with I2C interface, which allows for easy configuration and monitoring of the charging process.

Features:

1. High Efficiency: The BQ24312DSGR offers high efficiency charging, with an efficiency of up to 92%.
2. USB On-The-Go (OTG): The device supports USB OTG, allowing it to be used with a wide range of USB power sources, including USB hosts, USB hubs, and USB chargers.
3. Wide Input Voltage Range: The BQ24312DSGR can accept input voltages from 4.5V to 28V, making it suitable for a wide range of applications.
4. Integrated Microcontroller: The device includes an integrated microcontroller with I2C interface, which allows for easy configuration and monitoring of the charging process.
5. Thermal Protection: The BQ24312DSGR includes thermal protection features, such as over-temperature shutdown and thermal regulation, to ensure safe and reliable operation.
6. Small Package Size: The device is available in a compact, thermally-optimized 20-pin QFN package, making it suitable for space-constrained applications.

Applications:

The BQ24312DSGR is suitable for a wide range of applications that require efficient and reliable charging of single-cell lithium-ion or lithium-polymer batteries, including:

1. Portable Electronics: Smartphones, tablets, and other portable electronic devices.
2. Wearable Devices: Fitness trackers, smartwatches, and other wearable electronics.
3. IoT Devices: Internet of Things (IoT) devices that require efficient and reliable battery charging.
4. Medical Devices: Medical devices that require efficient and reliable battery charging, such as portable defibrillators and glucose monitors.
5. Industrial Equipment: Industrial equipment that requires efficient and reliable battery charging, such as portable power tools and test equipment.

In summary, the BQ24312DSGR is a highly integrated, high efficiency, single-cell linear charger with USB OTG capability from Texas Instruments. It offers a compact and efficient solution for charging single-cell lithium-ion or lithium-polymer batteries, with a wide range of input voltages and an integrated microcontroller for easy configuration and monitoring. The device is suitable for a wide range of applications, including portable electronics, wearable devices, IoT devices, medical devices, and industrial equipment.