Datasheet > MAX25600

MAX25600

更新时间： 2024-11-22 14:57:51

品牌	Logo	应用领域
亚德诺 - ADI		开关控制器高压
页数	文件大小	规格书
24页	1121K
描述
同步、高压、4开关、升/降压LED控制器

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中文翻译

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MAX25600 数据手册

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MAX25600

Synchronous High-Voltage Four-Switch

Buck- Boost LED Controller

General Description

Beneﬁts and Features

● Automotive Ready: AEC-Q100 Qualified

The MAX25600 is a synchronous 4-switch buck-boost

LED driver controller. The controller regulates the LED

current for LED string voltages from 0V to 60V. The

MAX25600 can be used as a seamless buck-boost LED

driver for applications that require an efficient buck-boost

LED driver with synchronous rectification. The MAX25600

is ideal for high-power applications that require a current

source with PWM dimming capability.

● Integration Minimizes BOM for High-Brightness LED

Driver, Saving Space and Reducing Cost

• Wide Input Voltage Range from 5V to 60V

• H-Bridge Single Inductor Buck-Boost Architecture

• Constant-Current and Constant-Voltage Regulation

• 28-pin TSSOP with EP Pad and 28-pin

(5mm x 5mm) TQFN with EP Pad Packages

The device provides seamless transition between buck,

boost, and buck-boost modes depending on the ratio of

input to output voltage. The MAX25600 is ideal for LED

driver applications in automotive, industrial, and other

LED lighting applications. A fault flag indicates open LED,

shorted LED, or thermal shutdown conditions. The device

uses Maxim's proprietary average-current-mode control

scheme and allows adjustable 200kHz to 700kHz fixed-

frequency operation. In addition, ±6% triangular spread

spectrum is added internally to the oscillator to improve

EMI performance. The MAX25600 provides both analog

and digital PWM dimming, and has built-in analog PWM

dimming at a dimming frequency of 200Hz. The adjust-

able soft-start feature limits the current peaks and volt-

age overshoots at startup. The MAX25600 integrates a

high-side p-channel dimming MOSFET driver for PWM

dimming applications that require fast rising and fall-

ing edges of the LED current. It also features robust

output open and short protection, is AEC qualified, and is

suitable for automotive applications.

● Wide Dimming Ratio allows High Contrast Ratio

• Analog and PWM Dimming

• Flicker-Free PWM Dimming with Spread Spectrum

• Integrated pMOS Dimming FET Gate Driver

• 200Hz On-Board Ramp Simpliﬁes PWM Dimming

● Protection Features and Wide Temperature Range

Increase System Reliability

• Short Circuit,Overvoltage, and Thermal Protection

• LED Current Monitor and Input Current Limiter

• -40ºC to +125ºC Operating Junction-Temperature

Range

Simpliﬁed Application Circuit

INPUT

OUT

INP

INN

N1 N3

INPUT

AND BIAS

DH1

DH2

LX1

DL1

LX2

DL2

Applications

● Automotive Exterior Lighting and General,

RT, SS

N2 N4

FLT

IOUTV

Commercial, and Industrial Lighting

OUT

CSP

ISP

ISN

SENSE

MAX25600

Ordering Information appears at end of data sheet.

PWM AND

ANALOG

DIMMING

CS_LED

CSN

DH2

ISP, ISN

LX2

DL2

COMP

DIMOUT

COMP

19-100409; Rev 2; 10/19

12 3 4 5 6 7...24

中文翻译

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与MAX25600相关器件

型号	品牌	获取价格	描述	数据表
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,
MAX25601AATJ/VY+T	MAXIM	获取价格	LED Driver,
MAX25601B	ADI	获取价格	Synchronous Boost and Synchronous Buck LED Controllers
MAX25601BAUI/V+	MAXIM	获取价格	LED Driver,
MAX25601C	ADI	获取价格	Synchronous Boost and Synchronous Buck LED Controllers
MAX25601CATJ/VY+	MAXIM	获取价格	Display Driver,
MAX25601D	ADI	获取价格	同步升压和同步降压LED控制器
MAX25601DAUI/V+	MAXIM	获取价格	LED Driver,

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