Datasheet > MAX20090

MAX20090

更新时间： 2024-02-17 14:50:15

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
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描述
MAX20090 Evaluation Kit

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中文翻译

获取价格

技术参数
数据手册

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MAX20090 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	1.96
接口集成电路类型：	LED DISPLAY DRIVER	Base Number Matches：	1

MAX20090 数据手册

Evaluates: MAX20090

MAX20090 Evaluation Kit

Procedure

General Description

The EV kit is fully assembled and tested. Follow the steps

below to verify board operation. Caution: Do not turn on

power supply until all connections are made.

The MAX20090 evaluation kit (EV kit) provides a proven

design to evaluate the MAX20090 automotive high-volt-

age, high-brightness LED (HB LED) controller. The EV

kit is set up for boost and buck-boost conﬁgurations and

operates from a 6V to 18V DC supply voltage. The EV kit

is conﬁgured to deliver up to 1A to one string of LEDs.

The total voltage of the string can vary from 3V to 36V.

The anode of the LED string should be connected to

the LED+ terminal. The cathode of the LED string can

be connected either to PGND (boost mode) or IN (buck-

boost mode). In the case of boost mode, the input voltage

should not exceed the LED string voltage.

1) Verify that all jumpers (J1–J4) are in their default

positions, as shown in Table 1.

2) Connect the positive terminal of the 12V supply to the

IN PCB pad and the negative terminal to the nearest

GND1 PCB pad.

3) Connect the LED string across the LED+ and

LED- PCB pads on the EV kit for buck-boost

conﬁguration. For boost conﬁguration, connect the

LED string across the LED+ and GND2 PCB pads on

the EV kit. The LED string voltage should be higher

than the input voltage in this conﬁguration.

Features

● Configured for a Boost and Buck-Boost Mode

● Analog Dimming Control

● Proven PCB Layout

4) Clip the current probe on the wire connected to the

LED string.

5) Turn on the DC power supply.

● Fully Assembled and Tested

6) Verify that the LEDs turn on.

7) Verify that the oscilloscope displays approximately 1A.

Quick Start

Required Equipment

● MAX20090 EV kit

Detailed Description

The MAX20090 EV kit provides a proven design to

evaluate the MAX20090 high-voltage HB LED driver with

integrated high-side current sense. The EV kit is set up for

boost and buck-boost configurations and operates from a

6V to 18V DC supply voltage. The EV kit is configured to

deliver up to 1A to a series LED string. The string-forward

voltage can vary from 3V to 36V.

● 12V, 5A DC power supply

● A series-connected LED string rated at 1A

● Oscilloscope with a current probe

Ordering Information appears at end of data sheet.

19-8750; Rev 0; 12/16

12 3 4 5 6 7 8

中文翻译

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与MAX20090相关器件

型号	品牌	获取价格	描述	数据表
MAX20090ATP/V+	MAXIM	获取价格	LED Driver,
MAX20090ATP/VY+	MAXIM	获取价格	LED Driver,
MAX20090ATP/VY+T	MAXIM	获取价格	LED Driver,
MAX20090AUP/V+T	MAXIM	获取价格	LED Driver
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

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