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The MAX16126TCA+T is a supervisory circuit designed for load-dump and reverse-voltage protection in automotive applications. It operates within a supply voltage range of 3V to 30V and draws a typical supply current of 224µA. The device is housed in a 12-TQFN (3x3mm) package with an exposed pad, suitable for surface-mount installation. It functions as an overvoltage, undervoltage, and reverse supply protection controller, ensuring system integrity under harsh electrical conditions.
Verify the specific suffix 'V' if present in the ordering part number, as it may indicate specific packaging or qualification variations compared to the standard 'MAX16126TCA+T'. Confirm RoHS compliance status and ensure the 12-TQFN footprint matches the target PCB layout. Check for AEC-Q100 certification requirements if deploying in automotive-grade systems.
Select this component when robust protection against transient high-voltage spikes and reverse polarity is required in automotive electronics. Ensure the operating voltage range of 3V to 30V aligns with the system's nominal and peak supply levels. Consider the low quiescent current for battery-sensitive applications and verify thermal performance within the -40°C to +125°C junction temperature range.
This part belongs to the Maxim Integrated line of supervisory circuits, now part of Analog Devices Inc. It is part of a family including variants like MAX16126TCD+T and MAX16126TCB+T, which share similar protection functionalities but may differ in package types or specific threshold configurations. These devices are engineered for reliability in demanding industrial and automotive sectors.
Direct substitutes include MAX16126TCD+T and MAX16126TCB+T from the same manufacturer. Verify pin compatibility and protection thresholds before substitution. No cross-manufacturer replacements are confirmed in public documentation.