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MAXIM INTEGRATED / ANALOG DEVICES MAX20446ATGV automotive backlight driver

The MAX20446 is a high-efficiency automotive 6-channel backlight driver with integrated boost/SEPIC controller and I2C interface, suitable for medium-to-large automotive displays. It features ballast protection against load dump events, sink currents up to 130mA per channel, and wide voltage operation from 4.5V to 36V. The device supports various dimming options, fault detection, diode and open-LED diagnostics, thermal shutdown, and spread-spectrum EMI reduction, making it ideal for automotive infotainment, instrument clusters, and central displays. The compact 24-pin TQFN package facilitates easy integration in automotive environments.

Authorized Distributors
Source:Newark
Part No:MAX20446ATG/V+
Stock:22
Inv Date:06-05-2026
Price: Unit price: $10.69
Buy/RFQ:
Source:DigiKey
Part No:MAX20446ATG/V+
Stock:299
Inv Date:06-05-2026
Price: Unit price: $10.85
Buy/RFQ:
Part No:MAX20446ATG/V+
Stock:209
Inv Date:06-06-2026
Price: Unit price: $10.1
Buy/RFQ:

MAXIM INTEGRATED / ANALOG DEVICES MAX20446ATGV automotive backlight driver Specifications:

  • Input Voltage Range: 4.5V to 36V (auto load dump withstands up to 52V)
  • LED Sink Current: Up to 130mA per channel
  • Operating Temperature Range: -40°C to +125°C
  • Package: 24-pin TQFN (4mm x 4mm)
  • Switching Frequency: 400kHz to 2.2MHz with programmable resistor
  • Undervoltage Lockout: 3.8V to 4.45V on input, 37V on BSTMON
  • Output Overvoltage and Undervoltage Protection
  • Fault Detection: Open/short LEDs, overtemperature, load dump events
  • Dimming: PWM, hybrid, phase-shift, external PWM input, internal control
  • Spread-spectrum EMI reduction
  • Power Dissipation: Calculated based on load and ambient, with thermal resistance of 36°C/W (4-layer board)
  • Current Sensing: Via sense resistor, with measurements up to 127.5mA
  • Thermal Shutdown: 165°C with hysteresis
  • Interface: 2-wire I2C, register map, diagnostic outputs

Buy the Maxim MAX20446 – Reliable Automotive Backlight Driver for Industrial Applications

Purchase the Maxim MAX20446 online—engineered for automotive display lighting with 6-channel current sinks, load dump resistance, wide voltage operation, versatile dimming options, fault diagnostics, and EMI reduction features. Ideal for infotainment, instrument clusters, and central displays, this compact 24-pin TQFN package ensures reliable automotive performance and easy integration for OEMs and retrofit projects. Order now to enhance your automotive lighting solutions with proven reliability and advanced control features.

Get Maxim MAX20446 today—built for automotive LED backlighting with load dump protection and advanced diagnostics.

Frequently Asked Questions

Where can I buy MAXIM INTEGRATED / ANALOG DEVICES MAX20446ATGV?

You can click on the BUY or RFQ button to purchase MAX20446ATGV from an authorized MAXIM INTEGRATED / ANALOG DEVICES distributor.

How do I troubleshoot issues or seek technical support for part MAX20446ATGV?

You can download the MAX20446ATGV datasheet or visit the MAXIM INTEGRATED / ANALOG DEVICES website for support.

Who is the manufacturer of MAX20446ATGV?

MAXIM INTEGRATED / ANALOG DEVICES

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