Datasheet > MAX20090AUP/V+T

MAX20090AUP/V+T

更新时间： 2024-02-01 15:18:54

品牌	Logo	应用领域
美信 - MAXIM		驱动接口集成电路
页数	文件大小	规格书
29页	729K
描述
LED Driver

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中文翻译

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技术参数
数据手册

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MAX20090AUP/V+T 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	6 weeks	风险等级：	5.57
接口集成电路类型：	LED DISPLAY DRIVER	峰值回流温度（摄氏度）：	NOT SPECIFIED
筛选级别：	AEC-Q100	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

MAX20090AUP/V+T 数据手册

EVALUATION KIT AVAILABLE

MAX20090

Automotive High-Voltage HB LED Controller

General Description

Beneﬁts and Features

The MAX20090 is a single-channel high-brightness LED

(HB LED) driver for automotive front-light applications such

as high beam, low beam, daytime running lights (DRLs),

turn indicators, fog lights, and other LED lights. It can take

an input voltage from 5V to 65V and drive a string of LEDs

with a maximum output voltage of 65V.

● High-Brightness LED Driver with a Wide Input Range

Saves Space and Cost Through Integration

• +5V to +65V Wide Input Voltage Range

• +65V Maximum Boost Output Voltage

• ICTRL Pin for Analog Dimming

• Integrated High-Side Current-Sense Ampliﬁer

• 200Hz On-Board Ramp Simpliﬁes PWM Dimming

The device senses output current at the high side of the

LED string. High-side current sensing is required to pro-

tect for shorts from the output to the ground or battery

input. It is also the most flexible scheme for driving LEDs,

allowing boost, high-side buck, SEPIC mode, or buck-

boost-mode configurations. The PWM input provides LED

dimming ratios of up to 1000:1, and the ICTRLinput provides

additional analog dimming capability in the controller. The

device also includes a fault flag (FLT) that indicates open

string, shorted string, and thermal shutdown. The device

has built-in spread-spectrum modulation for improved

electromagnetic-compatibility performance. The device

can also be used in zeta and Cuk converter configura-

tions, if necessary in some applications. The MAX20090 is

available in a space-saving (4mm x 4mm), 20-pin TQFN,

20-pin side-wettable TQFN, or a 20-pin TSSOP pack-

age and is specified to operate over the -40°C to +125°C

automotive temperature range

● Flexible Architecture Enables Easy Design

Optimization

• Conﬁgurable as Boost, High-Side Buck, SEPIC,

Buck-Boost, Zeta, and Cuk

• Programmable Switching Frequency (200kHz to

2.2MHz)

• Spread-Spectrum Modulation to Reduce EMI Noise

● Automotive Features and Robustness Improve

System Reliability

• Fault Diagnosis Through Fault Flag

• Short Circuit, Overvoltage, and Thermal Protection

• -40°C to +125°C Operating Temperature Range

Simpliﬁed Typical Operating Circuit

INPUT

BST

NDRV

Applications

● Automotive Exterior Lighting

● High-Beam/Low-Beam/Signal/Position Lights

● Daytime Running Lights (DRLs)

● Fog Lights and Adaptive Front-Light Assemblies

● Head-Up Displays

BST

C_IN

OVP1

OUT

MAX20090

UVEN

OVP

CS_LED

ISENSE+

PWMDIM

ISENSE-

100Ω

● Commercial, Industrial, and Architectural Lighting

DIMOUT

FLT

V7V

V_CC

COMP

CS_FET

COMP

ICTRL

SGND

OVP2

ANALOG DIM

PGND

COMP

Ordering Information appears at end of data sheet.

19-8747; Rev 0; 2/17

12 3 4 5 6 7...29

中文翻译

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与MAX20090AUP/V+T相关器件

型号	品牌	获取价格	描述	数据表
MAX20090B	ADI	获取价格	汽车级高电压、高亮度LED控制器
MAX20090BATP/V+T	MAXIM	获取价格	LED Driver,
MAX20090BATP/VY+	MAXIM	获取价格	LED Driver,
MAX20090EVKIT	MAXIM	获取价格	MAX20090 Evaluation Kit
MAX20091	ADI	获取价格	35通道触点监控器
MAX20092	ADI	获取价格	12开关矩阵管理器，适用于汽车照明
MAX20094	MAXIM	获取价格	Optimized Application Layout for Quick Implementation
MAX20094	ADI	获取价格	备份电池充电器和升压控制器
MAX20094ATIE/VY+	MAXIM	获取价格	Power Management Circuit,
MAX20094EVKIT	MAXIM	获取价格	Optimized Application Layout for Quick Implementation

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