MAX20444C Automotive High-Voltage Buck Converter

MAX20444CATG/V+T

MAX20444C – Automotive High-Voltage Synchronous Buck Converter

Product Description

Product Overview

The MAX20444CATG/V+T is an automotive-grade high voltage synchronous buck DC-DC converter from Analog Devices (Maxim), designed for 12V and 24V vehicle power systems. It delivers efficient and stable step-down conversion over a wide input voltage range to power downstream MCUs, SoCs, sensors, and interface circuits.

AEC-Q100 qualified, the MAX20444C offers high efficiency, low EMI performance, and comprehensive protection features, making it well suited for ADAS, domain controllers, in-vehicle computing platforms, and infotainment systems.

Key Features & Advantages

Wide input voltage range for 12V / 24V automotive systems
Synchronous buck architecture for high efficiency
Optimized EMI performance for automotive EMC compliance
Comprehensive overvoltage, undervoltage, overcurrent, and thermal protection
AEC-Q100 qualified for long-lifecycle automotive programs

Typical Applications

ADAS domain controllers and perception systems
In-vehicle computing and high-performance ECUs
Automotive infotainment systems
Camera, radar, and sensor modules
Automotive communication and gateway equipment

Product Specifications

Parameter	Description
Part Number	MAX20444CATG/V+T
Manufacturer	Analog Devices, Inc.
Original Brand	Maxim Integrated
Product Type	Automotive synchronous buck DC-DC converter
Topology	Buck
Input Voltage	High voltage wide input range
Output Capability	Regulated step-down output
Control Method	Synchronous rectification
Efficiency	High efficiency operation
EMI Performance	Low EMI design
System Role	ECU / ADAS intermediate power rail
Protection	Overvoltage / Undervoltage / Overcurrent / Thermal
Qualification	AEC-Q100
Operating Temperature	Automotive temperature range
Package Type	TG package
Mounting Style	SMT / SMD
Packing	Tape & Reel (+T)
Target Applications	Automotive electronics
RoHS Compliance	RoHS compliant