Texas Instruments

BQ24041DSQR

The BQ24041DSQR is a highly integrated, multi-chemistry battery charge management IC from Texas Instruments. It is designed to provide a complete solution for charging single-cell lithium-ion, lithium-polymer, and nickel-metal hydride (NiMH) batteries.

Description:

The BQ24041DSQR is a compact, low-profile, thermally-enhanced, dual side, quad flat no-lead (DSQR) package. It is a fully integrated, current-limited, constant-current/constant-voltage linear charger with a 4.2V pre-charge, 4.2V constant voltage, and termination current of 100mA for lithium-ion and lithium-polymer batteries. It also features a temperature monitor with a programmable thermal regulation feature.

Features:

1. Multi-chemistry charging support: lithium-ion, lithium-polymer, and NiMH batteries
2. Constant-current/constant-voltage charging profile
3. 4.2V pre-charge voltage
4. 4.2V constant voltage charging
5. Termination current of 100mA
6. Thermal regulation with programmable temperature monitoring
7. Low power consumption during standby mode
8. Short-circuit protection
9. Over-voltage protection
10. Small form factor: DSQR package

Applications:

The BQ24041DSQR is suitable for a wide range of applications that require efficient and reliable battery charging, including:

1. Portable electronic devices: smartphones, tablets, smartwatches, and wearables
2. Medical devices: hearing aids, glucometers, and portable defibrillators
3. Consumer electronics: Bluetooth speakers, headphones, and wireless keyboards
4. IoT devices: smart home sensors, GPS trackers, and remote monitoring systems
5. Industrial equipment: portable data loggers, handheld scanners, and portable power tools

In summary, the BQ24041DSQR from Texas Instruments is a versatile and efficient battery charge management IC that supports multiple battery chemistries and offers various features such as thermal regulation, short-circuit protection, and over-voltage protection. It is suitable for a wide range of applications, from portable electronics to industrial equipment.