Texas Instruments Inc. (TI) has introduced a new family of quad supply voltage supervisors (SVSs) with programmable delay and watchdog timer, which minimizes board space in today's multi-rail power supply designs. The TPS386000, TPS386020, TPS386040, and TPS386060 supervisors can monitor four power rails that are greater than 0.4V with a threshold accuracy of 0.25 percent. This accuracy combined with an integrated watchdog timer provides system reliability for processor-based applications.
The TPS386000 family of devices offer an independent programmable delay input for each supervisor channel, which can be set from 1.25ms to 10s for power supply sequencing.
The TPS386000 devices operate with a very low quiescent current of 12µA, which can help minimize system power consumption. The devices are designed for applications such as telecom infrastructure, networking, server/storage, industrial and analog sequencing applications.
Key features and benefits of the TPS386000 family include:
- Integration of four supervisors into one IC with a threshold accuracy of 0.25 percent creates a highly integrated, accurate and small device to help minimize cost and board space
- Programmable delay provides flexibility for use with a wide range of processors and provides power supply sequencing support
- The low quiescent current (12µA typical) helps minimize power consumption in the design
- Watchdog timer enhances reliability in processor applications
TI TPS386000 evaluation module
TI
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