DS1232LPU+

Supervisors Overview

The DS1232LPU+ is a low-power MicroMonitor supervisory circuit manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 4.5 V to 5.5 V, featuring a threshold voltage between 3.3 V and 5.5 V. The device provides a reset delay time of 610 ms and maintains an accuracy of 10%. It consumes a working power supply current of 200 uA and supports an overvoltage threshold of 5.5 V. Designed for surface-mount installation in an 8-UMAX package, it functions across an operating temperature range of 0°C to +70°C.

Supervisors Feature Summary

• Integrates a watchdog timer for system reliability monitoring
• Detects power failures to ensure data integrity during voltage drops
• Provides configurable active high, active low, or open drain output types

Supervisors Applications

• Microprocessor power supply supervision
• Embedded systems requiring automated reset sequences
• Industrial control units with strict voltage monitoring needs

Supervisors Procurement Notes

Verify the specific suffix designation (+) to confirm RoHS compliance status against the original non-compliant DS1232LPU variant. Confirm package authenticity as 8-UMAX rather than standard TSSOP. Check manufacturer documentation for lead-free soldering profiles suitable for the UMAX form factor. Ensure compatibility with the required reset delay characteristics for your specific application timing constraints.

Supervisors Selection Notes

Select this component when a compact surface-mount solution is required for single-input voltage monitoring. It is suitable for designs needing integrated watchdog functionality without external components. Consider the 610 ms reset delay and 200 uA current consumption against system power budgets. Verify that the 8-UMAX package dimensions fit the available PCB real estate compared to through-hole alternatives.

Supervisors Part Context

This part belongs to the Maxim Integrated MicroMonitor series, designed specifically for low-power microprocessor applications. It consolidates voltage monitoring, reset generation, and watchdog timer functions into a single small-footprint device. The series is widely used in portable and battery-operated electronics where space and power efficiency are critical design parameters.

Supervisors Replacement Considerations

DS1232LP+