The BQ29717DSET is a high-precision battery protection device from Texas Instruments, designed to ensure the safety and longevity of lithium-ion batteries in portable electronics. This advanced integrated circuit (IC) is engineered to provide multiple levels of protection for single-cell lithium-ion or lithium-polymer batteries.

Key Features

• Overcharge Protection: The device safeguards the battery from overcharging by monitoring the voltage and disconnecting the battery when it exceeds a predefined threshold.
• Overdischarge Protection: It prevents the battery from discharging below a critical level, which can damage the battery and reduce its lifespan.
• Overcurrent Protection: During charging and discharging, the BQ29717DSET monitors the current and interrupts the flow if it detects an overcurrent condition, thus protecting the battery and the circuitry.
• Short Circuit Protection: In the event of a short circuit, the device responds quickly to cut off the battery, minimizing the risk of damage or fire.
• Temperature Monitoring: The IC includes a temperature sensor input that can disable charging and discharging if the battery temperature goes outside of the safe operating range.

Applications

The BQ29717DSET is suitable for a wide range of applications where battery protection is critical. These include:

• Smartphones and tablets
• Portable media players
• Handheld gaming devices
• Electronic cigarettes
• Wearable technology
• Personal medical devices

Technical Specifications

The device operates over a broad voltage range and offers a compact solution with its small footprint. It is available in a lead-free, RoHS-compliant package, making it an environmentally friendly choice for modern electronic designs.

Design Support

Texas Instruments provides comprehensive design support for the BQ29717DSET, including technical documentation, reference designs, and simulation tools to assist engineers in integrating this protection IC into their projects effectively and efficiently.