AP2181D/AP2191D

1.5A SINGLE CHANNEL CURRENT-LIMITED POWER

SWITCH WITH OUTPUT DISCHARGE

AP2181D/2191D

Document number: DS32251 Rev. 2 - 2

1 of 17

www.diodes.com

September 2010

© Diodes Incorporated

Description

The AP2181D and AP2191D are integrated high-side power

switches optimized for Universal Serial Bus (USB) and other

hot-swap applications. The family of devices complies with

USB 2.0 and is available with both polarities of Enable input.

They offer current and thermal limiting and short circuit

protection as well as controlled rise time and under-voltage

lockout functionality. A 7ms deglitch capability on the open-

drain Flag output prevents false over-current reporting and

does not require any external components.

All devices are available in SO-8, MSOP-8, MSOP-8-EP,

SOT25, and DFN2018-6 packages.

Features

•

Single USB port power switches with output discharge

•

Over-current and thermal protection

•

2.1A accurate current limiting

•

Fast transient response

•

Reverse Current Blocking

•

90m

Ω on-resistance

•

Input voltage range: 2.7V – 5.5V

•

0.6ms typical rise time

•

Very low shutdown current: 1uA (max)

•

Fault report (FLG) with blanking time (7ms typ)

•

ESD protection: 4KV HBM, 300V MM

•

Active high (AP2191D) or active low (AP2181D) enable

•

Ambient temperature range -40ºC to 85°C

•

SO-8, MSOP-8, MSOP-8-EP (Exposed Pad), SOT25, and

DFN2018-6: Available in “Green” Molding Compound (No

Br, Sb)

•

Lead Free Finish / RoHS Compliant (Note 1)

•

UL Recognized, File Number E322375

•

IEC60950-1 CB Scheme Certified

Applications

•

Consumer electronics – LCD TV & Monitor, Game

Machines

•

Communications – Set-Top-Box, GPS, Smartphone

•

Computing – Laptop, Desktop, Servers, Printers, Docking

Station, HUB

Pin Assignments

SO-8

( Top View )

1

2

3

4

8

7

6

5

NC

OUT

FLG

OUT

GND

EN

IN

IN

MSOP-8 / MSOP-8-EP

Note: latter with exposed pad (dotted line)

1

2

3

4

8

7

6

5

NC

OUT

FLG

OUT

GND

EN

IN

IN

( Top View )

EN

OUT

GND

IN

FLG

1

2

3

5

4

SOT25

( Top View )

FLG

EN

GND

OUT

OUT

IN

1

3

2

4

5

6

DFN2018-6

( Top View )

Notes:

1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at

http://www.diodes.com/products/lead_free.html.