Datasheet > MAX17525

MAX17525

更新时间： 2024-11-16 01:21:59

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
20页	586K
描述
Robust, High-Power Protection Reduces System

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中文翻译

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MAX17525 数据手册

EVALUATION KIT AVAILABLE

MAX17525

High-Accuracy, Adjustable Power Limiter

General Description

Beneﬁts and Features

● Robust, High-Power Protection Reduces System

The MAX17525 adjustable overvoltage, undervoltage,

and overcurrent protection device guards systems against

overcurrent faults in addition to positive overvoltage and

reverse-voltage faults. When used with an optional external

pMOSFET, the device also protects downstream circuitry

from voltage faults up to ±60V (for -60V external pFET

rating. The device features a low, 31mΩ, on-resistance

integrated FET.

Downtime

• Wide Operating Input Range: +5.5V to +60V

• -60V Negative Input Tolerance with External

pFET (for -(60 + V ) External pFET Rating)

OUT

• Low 31mΩ (typ) R

• Reverse Current-Blocking Protection with External

pFET

● Enables Fast Startup and Brownout Recovery

• Thermal Foldback Current-Limit Protection

● Flexible Design Enables Reuse and Less

Requalification

During startup, the devices are designed to charge large

capacitances on the output in a continuous mode for

applications where large reservoir capacitors are used

on the inputs to downstream devices. Additionally, the

devices feature a dual-stage, current-limit mode in which

the current is continuously limited to 1x, 1.5x, and 2x

the programmed limit, respectively, for a short time after

startup. This enables faster charging of large loads during

startup.

The MAX17525 also feature reverse-current and

overtemperature protection. The devices are available in

a 20-pin (5mm x 5mm) TQFN package and operate over

the -40ºC to 125ºC temperature range.

• Adjustable OVLO and UVLO Thresholds

• Programmable Forward Current Limit From 0.6A to

6A with ±15% Accuracy Over Full Temperature

Range

• Normal and High-Voltage Enable Inputs

(EN and HVEN)

• Protected External pFET Gate Drive

● Saves Board Space and Reduces External BOM

Count

• 20-Pin 5mm x 5mm TQFN Package

• Integrated nFET

Applications

● Industrial Power Systems

● Control and Automation

● Motion System Drives

● Human Machine Interfaces

● High-Power Applications

Ordering Information appears at end of data sheet.

Typical Application Circuit

V_IN

*R1, R2, R3, AND R4 ARE ONLY

C_IN

REQURED FOR ADJUSTABLE

UVLO/OVLO FUNCTIONALITY .

OTHERWISE , TIE THE PIN TO

C_{IN_IC}

IN IN IN IN

GND TO USE THE INTERNAL

PRE-PROGRAMMED

THRESHOLD .

V_IN

R1*

R3*

OUT

SYSTEM

CONTROLLER

UVLO

POWER

OUT

PROTECTED

POWER

220kΩ

R2*

R4*

SYSTEM

INPUT

ADC

MAX17525

C_OUT

V_IN

OUT

OVLO

HVEN

OUT

SETI

RIPEN

FLAG

GND

ENB

FAULT

HVEN

CLTS2

10kΩ

CLTS1

GND

19-8572; Rev 0; 6/16

12 3 4 5 6 7...20

中文翻译

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与MAX17525相关器件

型号	品牌	获取价格	描述	数据表
MAX17525ATP+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 5 Channel, BICMOS, TQFN-20
MAX17525ATP+T	MAXIM	获取价格	Robust, High-Power Protection Reduces System
MAX17526A	MAXIM	获取价格	5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
MAX17526A	ADI	获取价格	5.5V至60V、6A限流器，具有OV、UV、反向保护和功率抑制
MAX17526AATP+T	MAXIM	获取价格	5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
MAX17526B	ADI	获取价格	5.5V至60V、6A限流器，具有OV、UV、反向保护和功率抑制
MAX17526C	MAXIM	获取价格	5.5V to 60V, 6A Current-Limiter with OV, UV, Reverse Protection, and Power Limit
MAX17526C	ADI	获取价格	5.5V至60V、6A限流器，具有OV、UV、反向保护和功率抑制
MAX17527A	ADI	获取价格	具有过压、欠压、反向极性、接地失效保护功能的 5.5V 至 60V、6A 功率限制器
MAX17528	MAXIM	获取价格	1-Phase Quick-PWM Intel IMVP-6.5/GMCH Controllers

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