TPS3899DL31DSER

Supervisors Overview

The TPS3899DL31DSER is a nanopower voltage supervisor manufactured by Texas Instruments, designed for monitoring single-input power rails. It operates within a supply voltage range of 0.85 V to 6 V and features a fixed threshold voltage of 3.1 V. The device provides an active low, open-drain output with a reset delay time of 40 µs. It supports manual reset functionality and maintains high accuracy of 0.5%. Quiescent current is specified at 125 nA, ensuring minimal power consumption in standby modes. The component is housed in a WSON-6 package and functions reliably across an industrial temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Ultra-low quiescent current consumption for extended battery life
• High precision voltage monitoring with 0.5% accuracy
• Configurable manual reset input for system control
• Compact surface-mount packaging for space-constrained designs

Supervisors Applications

• Portable electronic devices requiring efficient power management
• Battery-operated systems needing reliable voltage supervision
• Embedded controllers requiring precise power-on reset signals
• Industrial equipment operating in extreme temperature environments

Supervisors Procurement Notes

Verify the specific suffix DSER indicates tape-and-reel packaging configuration when sourcing. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected variant matches the required threshold voltage and output polarity for the target application circuit design specifications.

Supervisors Selection Notes

Select this component when ultra-low static current is critical for system efficiency. The fixed 3.1 V threshold suits applications monitoring 3.3 V logic rails. Verify that the open-drain output interface aligns with the downstream controller requirements. Consider the WSON-6 footprint constraints during PCB layout planning to ensure adequate thermal dissipation and mechanical stability.

Supervisors Part Context

This part belongs to the TPS3899 family of nanopower supervisors from Texas Instruments. The series emphasizes minimal power consumption while maintaining accurate voltage monitoring capabilities. The DL31 designation specifically identifies the 3.1 V threshold variant within the programmable supervisor lineup, offering a balance between precision and low energy usage for portable electronics.

Supervisors FAQ

Does the TPS3899DL31DSER include a watchdog timer?

No, this specific variant does not feature an integrated watchdog timer.

What is the reset delay time for this supervisor?

The reset delay time is fixed at 40 microseconds.