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2.0A Single Channel Current-Limited Power Switch With Latch-Off

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The AP2401A and AP2411A are single-channel, current-limited, integrated high-side power switches optimized for Universal Serial Bus (USB) and other hot-swap applications. The family of devices complies with USB standards and is available with both polarities of enable input.


The devices have fast short-circuit response time for improved overall system robustness, and have integrated output discharge function to ensure completely controlled discharging of the output voltage capacitor. They provide a complete protection solution for applications subject to heavy capacitive loads and the prospect of short circuit, and offer reverse current blocking, overcurrent, over-temperature 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. AP2401A and AP2411A will be latched off after a 7ms deglitch.


All devices are available in SO-8, MSOP-8, MSOP-8EP, U-DFN3030-8 and U-DFN2020-6 packages.


  • Single USB port Power Switches

Product Specifications

Product Parameters

Maximum Continuous Output Current 2 A
Maximum Current Limit 2.85 A
Enable Logic Active Low
Minimum Operating Voltage (V) 2.7 V
Maximum Operating Voltage 5.5 V
Quiescent Current Typ (mA) 45 µA
RDS(ON) (VIN = 5V) Typ 70 mΩ
Output Discharge Yes
OCP Output Latch Off Yes
OCP Flag Yes
Operating Ambient Temperature Range (°C) -40 to 85 °C
UL Listed Yes
NEMKO IEC 60950-1 CB Yes

Technical Documents

Recommended Soldering Techniques




Product Change Notices

PCN # Issue Date Implementation Date Subject
PCN-2512 2021-04-16 2021-07-16 Qualified Additional Assembly & Test (A/T) Site
PCN-2429 2019-11-20 2020-02-20 Additional Qualified (AT) Assembly Test Site + BOM + Top Marking