MAX16132B33A+T

Supervisors Overview

The MAX16132B33A+T is a low-voltage, precision voltage supervisory circuit manufactured by Analog Devices Inc. (Maxim Integrated). It operates within a supply voltage range of up to 5.5 V and features a fixed threshold voltage of 3.3 V with an accuracy of 1%. The device provides one monitored input and delivers an active-low, open-drain output signal. It includes a reset delay time of 1 ms and consumes a typical operating supply current of 12.5 uA. The component is qualified under AEC-Q100 standards for automotive applications and functions reliably across a temperature range from -40°C to +125°C.

Supervisors Feature Summary

• Provides precise voltage supervision with a fixed 3.3 V threshold and 1% accuracy
• Features an active-low, open-drain output for direct logic interface compatibility
• Includes a 1 ms internal reset delay to ensure stable power-up sequencing
• Qualified for automotive environments under AEC-Q100 reliability standards

Supervisors Applications

• Monitoring battery voltages in portable electronic devices
• Supervising power rails in automotive infotainment systems
• Ensuring system stability in industrial control equipment
• Protecting microcontroller units during brown-out conditions

Supervisors Procurement Notes

Verify the specific suffix 'B33A' confirms the 3.3 V threshold variant, as the MAX16132 series offers multiple threshold options. Confirm the '+T' designation indicates tape-and-reel packaging if reel handling is required. Ensure the 'V' package code corresponds to the SOT-23-8 form factor specified in the datasheet. Check for RoHS compliance documentation consistent with the manufacturer's current environmental declarations. Validate that the AEC-Q100 qualification meets the specific grade requirements of your target application.

Supervisors Selection Notes

Select this component when a fixed 3.3 V monitoring point is required with high precision. Consider the 12.5 uA quiescent current for battery-sensitive designs. The open-drain output requires an external pull-up resistor; ensure the system voltage matches the pull-up source. Verify that the 1 ms delay aligns with the target processor's power-up timing constraints. The wide temperature range supports harsh environment deployment without derating concerns.

Supervisors Part Context

The MAX16132 family serves as a comprehensive line of voltage supervisors offering single, dual, and triple channel configurations. This specific part represents the single-channel variant with a fixed threshold. It complements other Maxim Integrated power management solutions by providing essential system protection against undervoltage events. The family shares common architectural features such as low power consumption and compact packaging options suitable for space-constrained PCB layouts.

Supervisors Replacement Considerations

Cross-reference with other MAX16132 variants sharing the same package but different thresholds if voltage levels differ. Verify pinout compatibility with existing board layouts before substituting. Confirm that alternative suppliers offer equivalent AEC-Q100 qualification if automotive reliability is mandatory. Ensure replacement parts maintain the same active-low open-drain output structure.