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AP2161/ AP2171
Document number: DS31564 Rev. 9 - 2
1 of 18
www.diodes.com
August 2015
© Diodes Incorporated
AP2161/ AP2171
1A SINGLE CHANNEL CURRENT-LIMITED POWER SWITCH
Description
The AP2161 and AP2171 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 undervoltage lockout functionality. A 7ms deglitch capability
on the open-drain Flag output prevents false overcurrent reporting
and does not require any external components.
All devices are available in SO-8, MSOP-8EP, SOT25, and
U-DFN2018-6 packages
Features
Single USB Port Power Switches
Overcurrent and Thermal Protection
1.5A Accurate Current Limiting
Reverse Current Blocking
95mΩ On-Resistance
Input Voltage Range: 2.7V – 5.5V
0.6ms Typical Rise Time
Very Low Shutdown Current: 1µA (max)
Fault Report (FLG) with Blanking Time (7ms typ)
ESD Protection: 4kV HBM, 300V MM
Active Low (AP2161) or Active High (AP2171) Enable
Ambient Temperature Range: -40°C to +85°C
SOT25, SO-8, MSOP-8EP (Exposed Pad), and U-DFN2018-6:
Available in “Green” Molding Compound (No Br, Sb)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green Device (Note 3)
UL Recognized, File Number E322375
IEC60950-1 CB Scheme Certified
Applications
Consumer Electronics – LCD TVs & Monitors, Game Machines
Communications – Set-Top-Boxes, GPS, Smartphones
Computing – Laptops, Desktops, 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-8EP
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 )
FLGEN
GND
OUT
OUT
IN
1
3
2
4
5
6
U-DFN2018-6
( Top View )
Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
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