MAX20499C

RECOMMENDED FOR NEW DESIGNS

Automotive Single 16A/12A Step-Down Converter

High-Efficiency, Synchronous Step-Down 12A/16A Converters with a 3V to 5.5V Input Voltage

Data Sheet (Rev. 5) Product Selection Table

Part Models: 6
1ku List Price: Starting From $2.30

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Part Details

High-Efficiency DC-DC Converter

Up to 16A Peak Output Current

MAX20499C: 16A
MAX20499D: 12A

Differential Remote Voltage Sensing

3.0V to 5.5V Operating Supply Voltage

I²C Controlled Output Voltage: 0.5V to 1.275V in 6.25mV Steps

Excellent Load-Transient Performance

Programmable Compensation

2.2MHz or 1.1MHz Operation

±1.5% Output Voltage Accuracy

Active-low RESET Output

Current Mode, Forced-PWM Operation

Overtemperature and Short-Circuit Protection

3.5mm x 4mm, 17-Pin, Side-Wettable FC2QFN

-40°C to +125°C Grade 1 Automotive Temperature Range

Part Models: 6
1ku List Price: Starting From $2.30

Documentation

Data Sheet 1

MAX20499C-MAX20499D: Automotive Single 16A/12A Step-Down Converter Data Sheet (Rev.5) 11/17/2023

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX20499CAFOA/VY+	3.5mm x 4mm x 0.7mm, 17-Pin FC2QFN	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX20499CAFOA/VY+T	3.5mm x 4mm x 0.7mm, 17-Pin FC2QFN	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX20499CAFOB/VY+	3.5mm x 4mm x 0.7mm, 17-Pin FC2QFN	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX20499CAFOB/VY+T	3.5mm x 4mm x 0.7mm, 17-Pin FC2QFN	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX20499CAFOC/VY+	3.5mm x 4mm x 0.7mm, 17-Pin FC2QFN	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX20499CAFOC/VY+T	3.5mm x 4mm x 0.7mm, 17-Pin FC2QFN	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

EE-Sim Power® Tools 1

The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.

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Evaluation Kits

Evaluation Kit for the MAX20499C/MAX20499D

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Features and Benefits

High Efficiency DC-DC Converter
Up to 16A Peak Output Current
Differential Remote Voltage Sensing
3V to 5.5V Input Supply Voltage
I²C User Configurable
Excellent Load Transient Performance
2.2MHz or 1.1MHz Operation
Test Points for Bode Plot Measurement
Proven PCB Layout
Fully Assembled and Tested

Product Details

The MAX20499C EV kit is a fully assembled and tested PCB intended to demonstrate the capability of the MAX20499C step-down (buck) voltage regulator. The MAX20499C has an output current rating of 16A. The IC operates at 3V to 5.5V input supply voltage and can regulate to a voltage range of 0.5V to 1.275V.

The MAX20499C features a 2.2MHz fixed-frequency pulse-width modulation (PWM) mode for better noise immunity and load transient response. The 2.2MHz frequency operation allows for the use of all ceramic capacitors and minimizes external components. The spreadspectrum frequency modulation option minimizes electromagnetic emissions. Integrated low R_DS(ON) switches improve efficiency at heavy loads and simplifies layout.

The MAX20499C is offered with factory-preset output voltage. The I²C interface supports dynamic voltage adjustment with programmable slew rates. Other features include programmable soft-start, over-current protection, and over-temperature protection.

The MAX20499D can be evaluated by replacing the installed IC (U1).

Applications

Automotive ADAS Systems
Infotainment
SoC Core Power
Telematics with high power SoC's

Resources

MAX20499CEVKIT ODB Files - Design Files
6/30/2023

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