Datasheet > MAX25605

MAX25605

更新时间： 2024-11-22 14:57:59

品牌	Logo	应用领域
亚德诺 - ADI		开关控制器
页数	文件大小	规格书
29页	253K
描述
汽车照明系统应用6开关顺序LED控制器

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中文翻译

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MAX25605 数据手册

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MAX25605

6 Switch Sequential LED Controller For

Automotive Lighting Systems

General Description

Benefits and Features

The MAX25605 is a six-channel automotive sequential

LED controller. The device implements a sequential turn

function or any other sequential light animation without the

use of a microcontroller or software. The MAX25605 in-

● Flexible Dimming Configuration Provides Optimal

Performance without a Microcontroller or Software.

• Simple Resistor Programming for Sequence Timing

and Direction.

tegrates six cascoded low R

n-channel MOSFETs

• Hazard Light Applications

DSON

suitable for LED lighting applications up to 750mA. Each

switch supports up to three series LEDs per switch. The

entire LED string voltage supported is up to 60V. The n-

channel MOSFETs are divided into two groups of three,

allowing a single device to sequence either one or two

strings of LEDs. Integrated gate drivers and level shifters

for the switches are supplied by an internal charge-pump

regulator, supporting buck-boost and boost-to-battery ap-

plications, in addition to ground-referenced LED driver

topologies.

• Sync Pin Allows Sequencing of up to 16 Devices

• Optional Logarithmic LED Fade

● Flexible Configuration Allows the Use of the Same

Device in Different Applications

• One, Two, or Three Series LEDs per Switch

• Floating Source MOSFETs

● EMI Reduction

• Spread-Spectrum Oscillator

• Slew Rate Control Minimizes LED Current Spikes

● Protection Features and Package Improve Reliability

• Single-LED Short, Open, and Open-Trace

Detection

Sequencing functionality and timing is programmed by

connecting resistors to the A0, A1, A2, and CLK inputs.

Programming options include: dimming up/down, short

LED threshold, multi-device sequence position, dimming

frequency, and fade duration. The optional logarithmic

fade feature allows for gradually turning the LEDs on or

off. The sequence can be disabled by pulling the enable

input low. With EN pulled low, the switches are open and

the LED driver current flows through the entire LED string.

Each switch also integrates single-LED fault detection, as-

serting a fault flag in case of shorted LEDs, open LEDs,

or open wires between the sequencer and the LED string.

Additionally, up to 16 devices can be sequenced together

through the use of a SYNC input.

• Thermal Shutdown and Fault Flag

● Automotive Ready

• AEC-Q100 Qualified

• -40ºC to +125ºC Operating Temperature Range

Ordering Information appears at end of datasheet.

The MAX25605 operates over the -40ºC to +125ºC au-

tomotive temperature range and is available in a 20-pin

4mmx4mm side-wettable TQFN and a 20-pin TSSOP

package with exposed pad.

Applications

● Sequential Turn Signal Lights

● Hardware Based Lighting Animation

19-100844; Rev 1; 11/20

12 3 4 5 6 7...29

中文翻译

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与MAX25605相关器件

型号	品牌	获取价格	描述	数据表
MAX25606	ADI	获取价格	用于汽车照明的6开关矩阵管理器
MAX25608	ADI	获取价格	Twelve Switch High Brightness LED Matrix Manager for Automotive Front Lights
MAX2560EVKIT	MAXIM	获取价格	Evaluation Kits
MAX25610	MAXIM	获取价格	5V to 18V Input Voltage Range
MAX25610A	MAXIM	获取价格	Synchronous Buck and Buck-Boost LED Driver/DC-DC Converter
MAX25610A	ADI	获取价格	同步、降压和升/降压LED驱动器/DC-DC转换器
MAX25610AATE	MAXIM	获取价格	Synchronous Buck and Buck-Boost LED Driver/DC-DC Converter
MAX25610AATEVY	MAXIM	获取价格	Synchronous Buck and Buck-Boost LED Driver/DC-DC Converter
MAX25610AATEY	MAXIM	获取价格	Synchronous Buck and Buck-Boost LED Driver/DC-DC Converter
MAX25610AAUE	MAXIM	获取价格	Synchronous Buck and Buck-Boost LED Driver/DC-DC Converter

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