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Automotive 4-Output Display Power Solution with Watchdog

Industry's First Automotive PMIC for Automotive Display Applications

产品详情

主要特征

Parametric specs for Multifunction PMICs
VIN (V) (min) 3.5
VIN (V) (max) 36
# Step-Down Outputs 1
# LDO Outputs 2
VOUT (V) (min) 1
VOUT (V) (max) 5
Package/Pins TQFN-CU/20
Budgetary
Price (See Notes)
3.75
缩小

简化框图

Technical Docs

支持和培训

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参量

Parametric specs for Multifunction PMICs
VIN (V) (min) 3.5
VIN (V) (max) 36
# Step-Down Outputs 1
# LDO Outputs 2
VOUT (V) (min) 1
VOUT (V) (max) 5
Package/Pins TQFN-CU/20
Budgetary
Price (See Notes)
3.75

主要特征

  • 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
    • One 175mA Low-Voltage Linear Regulator​
    • 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, 4mm x 4mm, 20-pin TQFN Package

应用/用途

  • Infotainment Displays
  • Central Information Displays
  • Instrument Clusters

描述

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, 1.2V, 1.8V, or 1.15V, while the LDO produces 3.3V or 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.

简化框图

MAX16926: Simplified Block Diagram MAX16926: Simplified Block Diagram Zoom icon

Technical Docs

支持和培训

在Maxim的知识库中搜索技术问题的答案

过滤搜索

Maxim的专业工程师团队也会为您解答相应的技术问题,请访问Maxim的 支持中心

采样:
选择上方“样片”按钮将重定向至第三方ADI样片网站。登录后,所选部件将转移到您在此网站上的购物车。如果您之前从未使用过此网站,请创建一个新帐户。有关此样片网站的任何问题,请联系SampleSupport@analog.com