MAX20431ATIA/VY+

$4.57

Description：IC REG BCK BST PROG QD 28SWTQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube

SKU:10a26765ad53 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

MAX20431ATIA/VY+ is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC REG BCK BST PROG QD 28SWTQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for MAX20431ATIA/VY+

Description：IC REG BCK BST PROG QD 28SWTQFN
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tube
Function：Step-Up, Step-Down
Output Configuration：Positive
Topology：Boost, Buck
Output Type：Programmable (Fixed)
Number of Outputs：4
Voltage - Input (Min)：3.5V
Voltage - Input (Max)：40V
Voltage - Output (Min/Fixed)：0.5V (3.3V, 5V)
Voltage - Output (Max)：3.6875V
Current - Output：500mA, 2.5A, 3A, 3A
Frequency - Switching：2.1MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：28-WFQFN Exposed Pad
Supplier Device Package：28-SWTQFN (5x5)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for MAX20431ATIA/VY+

MAX20431ATIA/VY+

Voltage Regulators - DC DC Switching Regulators Overview

The MAX20431ATIA/VY+ is a high-voltage, ASIL-compliant power management IC designed for automotive compact radar applications. It integrates four DC-DC converters within a single package: one boost converter and three buck converters. The device supports an input voltage range of 3.5 V to 40 V. Output capabilities include a 500 mA boost channel and three buck channels rated at 2.5 A, 3 A, and 3 A respectively. Operating frequencies are set at 2.1 MHz. The component functions reliably across an ambient temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated quad-channel topology combining boost and buck switching regulators
Automotive functional safety compliance with ASIL rating
High-voltage input handling suitable for automotive electrical systems

Voltage Regulators - DC DC Switching Regulators Applications

Automotive compact radar systems
High-voltage automotive power distribution networks
ASIL-compliant vehicle electronics modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm exact pinout and thermal characteristics. Ensure the procurement source provides valid traceability for automotive-grade components. Confirm RoHS compliance status through manufacturer certificates prior to integration into production lines.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing radar subsystems requiring integrated high-voltage regulation. The quad-channel architecture reduces board space compared to discrete solutions. Verify that the 40 V input tolerance matches the vehicle's nominal supply voltage under transient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MAX204xx family of specialized PMICs developed by Maxim Integrated, now part of Analog Devices. These devices target demanding automotive environments where reliability and safety integrity levels are critical requirements for sensor and control unit implementations.