BQ294592DRVR

The BQ294592DRVR from Texas Instruments is a secondary-level voltage monitor and protector for Li-ion battery pack systems. It independently monitors each cell for overvoltage conditions, triggering an output after a fixed delay if any of the two or three cells exceed the protection threshold. This device features a fixed OVP threshold available in the range of 3.85 V to 4.6 V, with a high accuracy of ±10 mV. It also includes fixed programmable delay timers of 4 s or 6.5 s.

Designed for low power consumption, the BQ294592DRVR typically draws only 1 µA when all cells are below the protection voltage. It exhibits low leakage current per cell input, less than 100 nA. The IC is housed in a small 6-pin WSON package with dimensions of 2 mm x 2 mm, making it suitable for space-constrained applications. Its function is primarily battery protection, specifically against overvoltage faults.

This device is ideal for applications requiring reliable battery safety, such as portable electronics, power tools, and electric vehicles where maintaining battery integrity is crucial. The surface mountable 6-WSON package facilitates integration into compact PCB designs.