


Texas Instruments
BQ21040DBVR
Why Choose Us?
Professional Platform
B2B & B2C purchasingDelivery at full speed
1-2 days deliveryWide variety
Original manufacturers365 days guarantee
Responsible qualityTech Specifications
BQ21040DBVR Description
The BQ21040DBVR is a highly integrated, multi-chemistry battery charge management IC from Texas Instruments. It is designed to provide a complete charging solution for single-cell lithium-ion and lithium-polymer batteries, as well as nickel-metal hydride (NiMH) and nickel-cadmium (NiCd) batteries.
Description:
The BQ21040DBVR is a compact, low-profile, thermally-enhanced QFN package that integrates a high-efficiency linear charger, a microcontroller, and various power switches. It is designed to provide a complete charging solution for portable devices, such as smartphones, tablets, and wearables.
Features:
- Multi-chemistry support: The BQ21040DBVR supports charging for lithium-ion, lithium-polymer, NiMH, and NiCd batteries.
- High efficiency: The integrated linear charger provides high efficiency and low thermal dissipation, reducing the need for external heat sinks.
- Microcontroller-based architecture: The device features a built-in microcontroller that enables advanced charging algorithms and provides precise control over the charging process.
- USB power input: The BQ21040DBVR can accept power input from a USB port, making it suitable for portable devices that use USB for charging.
- Thermal regulation: The device includes thermal regulation features that protect the battery from over-heating during the charging process.
- Status indicators: The BQ21040DBVR provides status indicators, such as LED signals, to inform the user about the charging progress and battery status.
- Small form factor: The compact QFN package allows for easy integration into portable devices with limited space.
Applications:
- Smartphones and tablets: The BQ21040DBVR is ideal for charging the batteries in smartphones and tablets, providing efficient and reliable charging.
- Wearable devices: The device's small form factor and low power consumption make it suitable for charging batteries in wearable devices, such as smartwatches and fitness trackers.
- Portable media players: The BQ21040DBVR can be used to charge the batteries in portable media players, ensuring efficient and safe charging.
- Bluetooth headsets and speakers: The device can be used to charge the batteries in Bluetooth-enabled devices, such as headsets and speakers.
- Power banks: The BQ21040DBVR can be integrated into power banks to provide efficient charging for external devices.
In summary, the BQ21040DBVR from Texas Instruments is a highly integrated, multi-chemistry battery charge management IC that offers high efficiency, advanced charging algorithms, and a compact form factor. It is suitable for a wide range of portable devices, including smartphones, tablets, wearables, and power banks.
FAQ
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.78320 | $0.78 |
| 10+ | $0.55880 | $5.59 |
| 25+ | $0.50371 | $12.59 |
| 100+ | $0.44264 | $44.26 |
| 250+ | $0.41356 | $103.39 |



.png)















.png?x-oss-process=image/format,webp/resize,h_32)










