MAX1562H

更新时间： 2024-11-16 11:18:31

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
14页	348K
描述
Programmable 4A USB Current-Limited Switches with Autoreset and Fault Blanking

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MAX1562H 数据手册

19-2631; Rev 2; 2/10

Programmable 4A USB Current-Limited

Switches with Autoreset and Fault Blanking

2H/MAX1563

General Description

Features

The MAX1562/MAX1562H/MAX1563 single current-

limited switches provide up to 4A to power up to eight

USB ports. They operate from a 4V to 5.5V input

supply and consume only 40µA of quiescent current

when operating and only 3µA in shutdown.

o Programmable Current Limit (1A to 4A) with

Resistor

o Autoreset Feature Saves System Power

o 20ms Fault-Blanking Circuitry

o Active-High/Low Control Logic

o Fault-Indicator Output

o Thermal-Overload Protection

o Smaller 4mm x 4mm Thin QFN Package (MAX1563)

o 3µA Shutdown Current

The MAX1562/MAX1562H/MAX1563s’ autoreset feature

latches the switch off if the output is shorted, thereby

saving system power. When the short is removed, the

switch is reactivated. A fault-blanking feature enables the

circuit to ignore momentary faults, such as those caused

when hot swapping a capacitive load, preventing false

alarms to the host system. Fault blanking also prevents

fault signals from being issued when the device powers

up the load.

The MAX1562/MAX1562H/MAX1563 provide several

safety features to protect the USB port. Built-in thermal-

overload protection turns off the switch when the die

temperature exceeds +160°C. Accurate internal cur-

rent-limiting circuitry protects the input supply against

both overload and short-circuit conditions. An open-

drain fault signal (FAULT) notifies the microprocessor

when a thermal-overload, current-limit, undervoltage

lockout (UVLO), or short-circuit fault occurs.

Ordering Information

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

8 SO

MAX1562ESA+

MAX1562HESA+

MAX1563ETC+

8 SO

12 TQFN-EP*

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

The MAX1562 has an active-low ON, and the

MAX1562H has an active-high ON enable input. The

MAX1563 has a selectable active-high or active-low

logic-controlled enable. The current limit is pro-

grammed from 1A to 4A using a resistor.

The MAX1562/MAX1562H are available in 8-pin SO

packages and are pin-compatible upgrades to the

MIC2545A/MIC2549A. The MAX1563 provides the

same features and higher current performance in a

smaller 12-pin (4mm x 4mm) Thin QFN package. These

devices operate over an extended temperature range

(-40°C to +85°C). An evaluation kit is available to speed

designs.

Typical Operating Circuit

FAULT

INPUT

4V TO 5.5V

Applications

MAX1562

MAX1562H

MAX1563

Notebook Computers

Desktop Computers

USB Ports and Hubs

PDAs and Palmtop Computers

Docking Stations

ACTIVE-HIGH/ACTIVE-LOW

SELECTABLE

USB

PORT

MAX1563

ONLY

OUT

SEL

ISET

GND

Pin Configurations appear at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...14

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与MAX1562H相关器件

型号	品牌	获取价格	描述	数据表
MAX1562HESA	MAXIM	获取价格	Programmable 4A USB Current-Limited Switches with Autoreset and Fault Blanking
MAX1562HESA+	MAXIM	获取价格	Programmable 4A USB Current-Limited Switches with Autoreset and Fault Blanking
MAX1562HESA-T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, 0.150 INCH, MS-012AA,
MAX1562-MAX1563	MAXIM	获取价格	Programmable 4A USB Current-Limited Switches with Autoreset and Fault Blanking
MAX1563	MAXIM	获取价格	Programmable 4A USB Current-Limited Switches with Autoreset and Fault Blanking
MAX1563	ADI	获取价格	可编程4A USB限流开关，带有自动复位和故障屏蔽功能
MAX1563ETC	MAXIM	获取价格	Programmable 4A USB Current-Limited Switches with Autoreset and Fault Blanking
MAX1563ETC+	MAXIM	获取价格	Programmable 4A USB Current-Limited Switches with Autoreset and Fault Blanking
MAX1563EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX1562/MAX1562H/MAX1563
MAX1564	MAXIM	获取价格	Triple 1.2A USB Switch in 4mm x 4mm Thin QFN

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