DS1632S

Power Supply Controllers, Monitors Overview

The DS1632S is a power supply controller designed for PC power-fail and reset management. It provides power-fail detection, power-up reset, and watchdog timer functions. The device operates within a supply voltage range of 4.5V to 5.5V and draws only 500 µA of current. It is housed in a 16-SOIC package with dimensions of 0.295 inches (7.50mm) width.

Power Supply Controllers, Monitors Feature Summary

• Integrated power-fail detection circuitry for monitoring supply voltages
• Built-in watchdog timer functionality for system reliability
• Power-up reset generation for microcontroller initialization

Power Supply Controllers, Monitors Applications

• PC power-fail and reset management systems
• Low-power monitoring applications
• Microcontroller reset circuits

Power Supply Controllers, Monitors Procurement Notes

Verify the specific revision and packaging option (tube or tape & reel) as availability may vary. Confirm that the 16-SOIC package matches your PCB footprint requirements. Check for any lead-free or RoHS compliance documentation if required by your manufacturing standards. Ensure the operating temperature range meets your environmental specifications.

Power Supply Controllers, Monitors Selection Notes

Select this component when a dedicated power-fail detector and watchdog timer are needed in a single IC. It is suitable for designs requiring low quiescent current and reliable reset generation. Consider the 16-SOIC package size constraints. Verify compatibility with the target microcontroller's reset input requirements.

Power Supply Controllers, Monitors Part Context

This part belongs to the Maxim Integrated power management family, specifically focused on supervisory circuits. It complements other reset controllers and voltage monitors in the portfolio. The DS1632S addresses common PC system design challenges related to power sequencing and fault detection.

Power Supply Controllers, Monitors Replacement Considerations

Check for direct pin-to-pin replacements from Analog Devices or Maxim Integrated. Verify functional equivalence regarding power-fail thresholds and watchdog timeout periods. Ensure package compatibility before substitution.