MAX16922ATPH/V+T

Overview

The MAX16922ATPH/V+T is a power management integrated circuit featuring dual step-down DC-DC converters, two low-dropout regulators, and an active-low reset controller. It operates within an input voltage range of 3.7 V to 28 V with a switching frequency of 2.2 MHz. The device provides four outputs: buck converters delivering up to 1.2 A and LDOs providing up to 600 mA. Fixed output voltages include 1 V, 2.7 V, 3.3 V, and 5 V. It supports load regulation of ±0.2% and functions between -40°C and +125°C in a 20-TQFN package.

Feature Summary

• Integrates dual synchronous buck converters and dual LDOs for comprehensive power management
• Includes an active-low reset controller with programmable delay and watchdog timer
• Supports automotive applications through AEC-Q100 qualification
• Features high switching frequency for reduced external component size

Applications

• Automotive infotainment systems
• Telematics control units
• Body control modules
• Instrument clusters

Procurement Notes

Verify the specific suffix 'V+T' indicates tape-and-reel packaging when sourcing. Confirm that the part status remains obsolete or limited supply as indicated by manufacturer notices. Ensure compatibility with existing board layouts due to the TQFN-EP-20 footprint. Check for RoHS compliance documentation before final procurement approval.

Selection Notes

Select this component when designing automotive electronics requiring multiple regulated rails from a single high-voltage source. The dual buck topology allows efficient power conversion for digital logic, while the LDOs provide clean power for sensitive analog circuits. The integrated reset function simplifies system supervision requirements without additional discrete components.

Part Context

This part belongs to the MAX16922 family of highly integrated PMICs designed for automotive environments. It consolidates multiple power stages into a single small package, reducing board space and assembly complexity. The series is optimized for reliability under harsh thermal and electrical conditions typical in vehicle architectures.

Replacement Considerations

Consider the MAX16922ATPK/V+T for identical functionality in a TQFN-EP-20 package instead of TSSOP. Verify pin-to-pin compatibility if substituting with other Maxim Integrated automotive PMICs. Always consult the latest datasheet for any design-in changes.