The Texas Instruments BQ2092SN-A309 is a supervisor IC for power-supply support — it monitors a supply rail and asserts a reset or fault signal when the voltage drops below a threshold. This class of part goes into battery-powered equipment, portable instruments, and embedded systems where a clean power-on reset and brownout detection are needed to keep the microcontroller or logic in a known state. The Bulk packaging means it ships loose in a bag or tube, not on a reel — fine for bench builds, prototype runs, or repair stock, but if your pick-and-place line expects tape-and-reel you will need to transfer to a feeder-compatible carrier.

BQ2092SN-A309 IC Supervisor Pwr Sup Support, Active
Texas Instruments BQ2092SN-A309, IC SUPERVISOR PWR SUP SUPPORT, Bulk package, Active lifecycle.
Specifications
| Parameter | Value |
|---|---|
| Series | * |
| Package | Bulk |
Product details
Frequently asked questions
What is the function of BQ2092SN-A309?
It is an IC supervisor for power-supply support — it monitors a voltage rail and generates a reset or fault output when the supply drops out of regulation.
Where can I buy BQ2092SN-A309?
This part is available to order through this listing. Submit an RFQ and we will source it across our distribution network, confirming current pricing and availability at quote time.
What is the equivalent or alternative for BQ2092SN-A309?
The TLV803EA29VDBZR and TLV803ED29DBZR are simple reset/power-on reset ICs with active-low, open-drain outputs — functionally similar supervisor parts, though their reset timeout and temperature ratings differ. Verify pin compatibility and threshold voltage against your design before substituting.