AP2181

Datasheet

AP2181
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Description

The AP2181 and AP2191 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 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-8L-EP and SOT25 packages.

Features and Benefits

• Single USB port power switches
• Over-current and thermal protection
• 2.1A accurate current limiting
• Reverse Current Blocking
• 115mΩ 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, 400V MM
• Active low (AP2181) or active high (AP2191) enable
• MSOP-8L-EP and DFN2018-6 packages ambient temperature range: -40ºC to 85°C
• SOT25 package ambient temperature range: -20ºC to 70°C
• SO-8 package ambient temperature range: 0ºC to 70°C
• SOT25, SO-8, MSOP-8L-EP (Exposed Pad), and DFN2018-6:
Available in “Green” Molding Compound (No Br, Sb)
• Lead Free Finish / RoHS Compliant
• 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

Part Number	AP2181
Maximum Continuous Output Current A	1.5
Maximum Current Limit A	2.6
Enable Logic	Active Low
Minimum Operating Voltage V	2.7
Maximum Operating Voltage V	5.5
Quiescent Current (typ) µA	45
RDS(ON) (VIN=5V) (typ) mΩ	95 95 95 90
Output Discharge
OCP Output Latch Off
OCP Flag	Y
Operating Ambient Temp Range °C	-40 to +85
UL Listed	Yes
NEMKO IEC 60950-1 CB	Yes

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