AP2181D/AP2191D
Green
1.5A SINGLE CHANNEL CURRENT-LIMITED
POWER SWITCH WITH OUTPUT DISCHARGE
Description
Pin Assignments
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.
(Top View)
GND
1
8
NC
IN
2
7
OUT
IN
3
6
OUT
EN
4
5
FLG
SO-8
All devices are available in SO-8, MSOP-8, MSOP-8EP, SOT25, and
U-DFN2018-6 packages.
(Top View)
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
90mΩ On-Resistance
Input Voltage Range: 2.7V to 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 (AP2191D) or Active Low (AP2181D) Enable
Ambient Temperature Range -40°C to +85°C
SOT25, SO-8, MSOP-8, MSOP-8EP (Exposed Pad), and UDFN2018-6: 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
GND
1
8
NC
IN
2
7
OUT
IN
3
6
OUT
EN
4
5
FLG
MSOP-8/MSOP-8EP
Note: Latter with Exposed Pad
(Dotted Line)
(Top View)
OUT
1
GND
2
FLG
3
5
IN
4
EN
SOT25
(Top View)
Applications
Consumer Electronics – LCD TVs & Monitors, Game Machines
Communications – Set-Top-Boxes, GPS Systems, Smartphones
Computing – Laptops, Desktops, Servers, Printers, Docking
Stations, HUBs
Notes:
U-DFN2018-6
1. EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. All applicable RoHS exemptions applied.
2. See https://www.diodes.com/quality/lead-free/ 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
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