Datasheet > MAX25540

MAX25540

更新时间： 2024-11-26 14:57:47

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
17页	1092K
描述
4输出汽车显示屏电源解决方案

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MAX25540 数据手册

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MAX25540

Automotive 4-Output Display

Power Solution

Benefits and Features

General Description

•

High Integration

• Complete Display Power Solution from

Automotive Battery

The MAX25540 is a 4-channel power-management IC

designed to accommodate the main rails used in modern

automotive TFT displays. The IC supports the power

requirement of GMSL parts. The MAX25540 and the

MAX25530 TFT power supply and LED backlight driver

combine to provide a two-chip solution to automotive dis-

play power supply requirements.

• One High-Voltage 2.1A Buck Converter (3.3V)

• One High-Voltage 100mA Low-I Linear

Regulator (3.3V)

• One Low-Voltage 1.6A Buck Converter (1V)

• One 175mA Low-Voltage Linear Regulator (1.8V)

• Power-Good Outputs

The MAX25540 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.

•

Robust and Low EMI

• Programmable Switching Frequency

• Internal Spread-Spectrum Oscillator

• Slew-Rate Controlled Switching

• Thermal Shutdown Protection

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 1V, while the LDO produces 1.8V.

•

Supports the Power Requirement of GMSL Parts

Compact TQFN20 4mm x 4mm Package

AECQ100 Grade 2

A single START control pin initiates the start-up

sequence, thereby simplifying device control. The

MAX25540's external pMOSFET control block allows

battery voltage to be switched to a downstream device,

such as a backlight boost converter.

Ordering Information appears at end of data sheet.

The MAX25540 is available in a TQFN package and

operates in the -40°C to 105°C temperature range.

Applications

•

Infotainment Displays

Central Information Displays

Instrument Clusters

19-101245; Rev 0; 10/21

12 3 4 5 6 7...17

中文翻译

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与MAX25540相关器件

型号	品牌	获取价格	描述	数据表
MAX25561	ADI	获取价格	6 x 220mA, ASIL B LED Backlight Driver with Boost Controller
MAX256	MAXIM	获取价格	3W Primary-Side Transformer H-Bridge Driver for Isolated Supplies
MAX256	ADI	获取价格	3W原边变压器H桥驱动器，用于隔离电源
MAX256_05	MAXIM	获取价格	3W Primary-Side Transformer H-Bridge Driver for Isolated Supplies
MAX256_12	MAXIM	获取价格	3W Primary-Side Transformer H-Bridge Driver for Isolated Supplies
MAX2560	MAXIM	获取价格	Evaluation Kits
MAX25600	ADI	获取价格	同步、高压、4开关、升/降压LED控制器
MAX25600AUI/V+T	MAXIM	获取价格	LED Driver,
MAX25601A	ADI	获取价格	同步升压和同步降压LED控制器
MAX25601AATJ/VY+	MAXIM	获取价格	Display Driver,

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