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AP2161D/AP2171D
Document number: DS32250 Rev. 6 - 2
1 of 19
www.diodes.com
March 2015
© Diodes Incorporated
AP2161D/AP2171D
1A SINGLE CHANNEL CURRENT-LIMITED
POWER SWITCH WITH OUTPUT DISCHARGE
Description
The AP2161D and AP2171D are integrated high-
side power switches
optimized for Universal Serial Bus (USB) and other hot-
swap
applications. The fam
ily 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 capabi
lity
on the open-drain Flag output prevents false over-
current reporting
and does not require any external components.
All devices are available in SOT25, SO-8, MSOP-8, MSOP-8
EP, and
U-DFN2018-6 packages.
Features
• Single USB Port Power Switches with Output Discharge
• Over-Current and Thermal Protection
• 1.5A Accurate Current Limiting
• Fast Transient Response
• Reverse Current Blocking
• 90mΩ 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 High (AP2171D) or Active Low (AP2161D) Enable
• Ambient Temperature Range -40°C to +85°C
• SOT25, SO-8, MSOP-8, MSOP-8EP (Exposed Pad), and
U-DFN2018-6: Available in “Green” Molding Compound
• (No Br, Sb)
• Lead-Free Finish; 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
Stations, HUBs
Pin Assignments
SO-8
( Top View )
1
2
3
4
8
7
6
5
NC
OUT
FLG
OUT
GND
EN
IN
IN
1
2
3
4
8
7
6
5
NC
OUT
FLG
OUT
GND
EN
IN
IN
( Top View )
MSOP-8 / MSOP-8EP
Note: Latter with Exposed Pad
(
D
otted
L
ine
)
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. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.
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.
Green
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