MAX20444B

PRODUCTION

Automotive 4-Channel 130mA Backlight Driver with Boost/SEPIC Controller and I²C Interface

4-Channel 130mA LED Driver Provides Full Diagnostics and Hybrid Dimming thru I²C

Data Sheet (Rev. 8)

Part Models: 4
1ku List Price: Starting From $3.12

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Part Details

Wide-Voltage-Range Operation
- Operates Down to 4V Supply after Startup
- Survives Load Dump up to 52V
High Integration
- Complete 4-Channel Solution Including Boost Controller
- I²C Control for Minimum Parts Count
Robust and Low EMI
- Spread-Spectrum Oscillator
- Phase Shifting
- 400kHz to 2.2MHz Switching-Frequency Range
- Fail-Safe Operation Mode Using the FSEN Pin
Versatile Dimming Scheme Allows Hybrid or PWM-Only Dimming Using DIM Input or I²C
- Dimming Ratio > 10,000:1 Using Hybrid Dimming
- 10,000:1 Dimming Ratio at 200Hz using PWM Dimming
Complete Diagnostics
- LED Open/Short Detection and Protection
- Boost Output Undervoltage and Overvoltage
- Boost Voltage
- Individual String LED Current
- Thermal Shutdown
Compact (4mm x 4mm) 24-Pin TQFN and SWTQFN Packages

Part Models: 4
1ku List Price: Starting From $3.12

Documentation

Data Sheet 1

MAX20444B: Automotive 4-Channel 130mA Backlight Driver with Boost/SEPIC Controller and I²C Interface Data Sheet (Rev.8) 03/02/2022

Technical Articles 1

LED Driver for Automotive Display Applications 09/24/2021

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
MAX20444BATG/V+	24-TQFN-4X4X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX20444BATG/V+T	24-TQFN-4X4X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX20444BATG/VY+	24-LFCSP_SS-4X4X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys
MAX20444BATG/VY+T	24-LFCSP_SS-4X4X0.75	Material Declaration Reliablity Data	Ultra Librarian SamacSys

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

Tools & Simulations

Software Development 1

MAX20444 EV Kit, 1.0.0

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