MAX16129UADFD+

Overview

The MAX16129UADFD+ is a supervisory circuit designed for load-dump and reverse-voltage protection, manufactured by Analog Devices Inc./Maxim Integrated. It operates within a supply voltage range of 3V to 30V and features an adjustable overvoltage threshold set at 15V. The device monitors a single input with an open-drain output type and includes a reset delay time of 150 ms. It does not support manual reset, watchdog functions, or battery backup switching. The component is housed in an 8-uMAX/uSOP package, suitable for surface-mount installation, and supports a wide operating temperature range from -40°C to +125°C.

Feature Summary

• Provides integrated load-dump and reverse-voltage protection capabilities
• Features an adjustable overvoltage threshold for flexible system monitoring
• Includes a fixed reset delay time to ensure stable system recovery

Applications

• Automotive electronics systems requiring surge protection
• Industrial control units needing reverse voltage safeguarding
• Telecommunications infrastructure power management circuits

Procurement Notes

Verify current availability status as the component may be subject to limited supply or discontinuation notices. Confirm that the specific ordering suffix matches the required package and temperature grade. Ensure compatibility with existing board layout constraints for the 8-uMAX/uSOP footprint. Cross-reference official manufacturer documentation for any recent product change notifications or end-of-life announcements before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring robust protection against transient overvoltages and reverse polarity conditions. The adjustable threshold allows customization for various input voltage levels within the specified range. Consider the low quiescent current and wide temperature range for demanding environments. Evaluate the need for an open-drain output interface to ensure proper integration with downstream logic or microcontroller inputs without additional level-shifting requirements.

Part Context

This part belongs to the MAX16129 series of supervisory circuits focused on power integrity. It complements other Maxim Integrated PMIC solutions by offering dedicated protection rather than general regulation. The series targets applications where system reliability depends on immediate response to abnormal voltage conditions. It serves as a critical safety element in power distribution networks, preventing damage to sensitive downstream components from electrical anomalies.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.