MAX16926

Automotive 4-Output Display Power Solution with Watchdog

Industry's First Automotive PMIC for Automotive Display Applications


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说明

The MAX16926 is a 4-channel power-management IC designed to accommodate the main rails used in modern automotive TFT displays. The MAX16926 and the MAX20069 TFT power supply and LED backlight driver combine to provide a two-chip solution to automotive display power supply requirements.

The MAX16926 integrates a high-voltage buck converter that transforms battery voltages into a 3.3V intermediate rail. In addition, a high-voltage, always-on, low-quiescent-current linear regulator supplies power at 3.3V.

The low-voltage section consists of a fully-integrated DC/DC converter and an LDO running off the intermediate rail. The low-voltage DC/DC converter provides 1.1V, while the LDO produces 1.8V. In addition, an integrated watchdog timer guards against runaway code.

A single START control pin initiates the start-up sequence, thereby simplifying device control. The MAX16926's external pMOSFET control block allows battery voltage to be switched to a downstream device, such as a backlight boost converter.

The MAX16926 is available in a TQFN package and operates in the -40°C to 105°C temperature range.

MAX16926: Simplified Block Diagram MAX16926: Simplified Block Diagram 放大+

关键特性

  • High Integration
    • Complete Display Power Solution from Automotive Battery
    • One High-Voltage 2.1A Buck Converter (3.3V)
    • One High-Voltage 100mA Low-IQ Linear Regulator (3.3V)
    • One Low-Voltage 1.6A Buck Converter (1.1V)
    • Power-Good Outputs
  • Integrated Watchdog Timer
  • Robust and Low EMI
    • Programmable Switching Frequency
    • internal Spread Spectrum Oscillator>
    • Slew-Rate Controlled Switching
    • Thermal Shutdown Protection
  • Compact TQFN-20 4mm x 4mm Package

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAX16923EVKIT:  MAX16923 评估套件
申请可靠性报告: MAX16926 
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备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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