TPS38700B01NRGER

Power Supply Controllers, Monitors Overview

The TPS38700B01NRGER is a multichannel voltage sequencer from Texas Instruments, housed in a 24-pin VQFN package. It supports up to 12 monitored inputs and features an integrated watchdog timer with battery backup switch functionality. The device operates within a supply voltage range of 2.2 V to 5.5 V and maintains a typical quiescent current of 35 uA. It includes chip enable signaling and I²C support for configuration. The component is rated for industrial temperatures ranging from -40°C to +125°C.

Power Supply Controllers, Monitors Feature Summary

• Provides power-supply sequencing capabilities with integrated I²C interface support for system management.
• Includes a configurable watchdog timer with automatic reset generation and battery backup switch protection.
• Supports monitoring of multiple input channels to ensure correct power-up and power-down sequences.

Power Supply Controllers, Monitors Applications

• Industrial control systems requiring reliable power supervision
• Embedded computing platforms needing multi-rail voltage sequencing
• Automotive electronics utilizing the Q1 variant family standards

Power Supply Controllers, Monitors Procurement Notes

Verify the specific suffix 'B01' against the official datasheet to confirm the exact threshold voltages and channel configurations, as these parameters vary significantly across the TPS38700 family. Ensure the VQFN-24 package footprint matches the PCB design. Confirm that the operating temperature range meets the environmental requirements of the target application before finalizing the procurement order.

Power Supply Controllers, Monitors Selection Notes

Select this component when designing systems that require precise sequencing of multiple power rails with digital control via I²C. It is suitable for applications demanding low standby current and robust fault protection through the watchdog feature. Consider the 12-channel capacity if the design involves complex power domains. Evaluate the thermal performance of the VQFN package relative to the expected ambient conditions.

Power Supply Controllers, Monitors Part Context

This part belongs to the TPS38700 series of supervisory circuits designed for power management. It complements other variants like the TPS38700C04NRGER by offering higher channel density and specific I²C integration. The series addresses the need for automated power sequencing in modern electronic devices, reducing the reliance on discrete logic components for sequence verification.

Power Supply Controllers, Monitors Replacement Considerations

Direct substitutes include other TPS38700 variants such as TPS38700801NRGER or TPS38700C04NRGER, provided the pinout and functional specifications align with the design requirements. Verify compatibility regarding the number of monitored inputs and threshold settings before swapping parts.