HL5081

The HL5081 is a slew-rate controlled, low Rdson Over voltage protection device. It is used in between a power source and a load to protect and isolate power source against unwanted abnormal voltage and current condition. Especially, in the OTG mode of smartphone, the HL5081 could be placed between OTG boost regulator and USB port. The HL5081 can protect boost regulator in smartphone from the USB fault conditions like overvoltage or overcurrent condition. In order to be used at high voltage application (9V or above), the HL5081 apply a high voltage device power FET switch and a maximum input voltage is 13.5V. Its VOUT over voltage protection level is set to 14.2V in HL5081WL01 version, 11.5V in HL5081WL02 and 5.8V in HL5081WL03. To prevent excessive input voltage or battery droop resulting from a large inrush current, the HL5081 also implements several protection functions, such as output over voltage and input under-voltage protection, over-current limit with FLTB flag and over-temperature protection.HL5081 is available in a 9-pin WLCSP package.

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- Commodity name: HL5081
- 产品名称: Back-to-Back OVP with Adjustable Current Limit
- 产品简介: The HL5081 is a slew-rate controlled, low Rdson Over voltage protection device. It is used in between a power source and a load to protect and isolate power source against unwanted abnormal voltage and current condition. Especially, in the OTG mode of smartphone, the HL5081 could be placed between OTG boost regulator and USB port. The HL5081 can protect boost regulator in smartphone from the USB fault conditions like overvoltage or overcurrent condition. In order to be used at high voltage application (9V or above), the HL5081 apply a high voltage device power FET switch and a maximum input voltage is 13.5V. Its VOUT over voltage protection level is set to 14.2V in HL5081WL01 version, 11.5V in HL5081WL02 and 5.8V in HL5081WL03. To prevent excessive input voltage or battery droop resulting from a large inrush current, the HL5081 also implements several protection functions, such as output over voltage and input under-voltage protection, over-current limit with FLTB flag and over-temperature protection.HL5081 is available in a 9-pin WLCSP package.
- Input Voltage Range :
  - HL5081WL01,: 2.5V ~ 13.5V
  - HL5081WL02 : 2.5V ~ 11.0V
  - HL5081WL03 : 2.5V ~ 5.5V
- Highly reliable Absolute Maximum Voltage Rating of VOUT up to 42V
- Adjustable Current Limit with external resistor up to 3A
- Integrated Power FET switch with 53mΩ Rds(on) @ 5V/1A
- Built in Soft Start to prevent inrush current
- Multi-layer Protections
  - Over Voltage Protection (OVP) :
    - HL5081WL01 : 14.2V
    - HL5081WL02 : 11.5V
    - HL5081WL03 : 5.8V
  - Over Current Limit (OCL)
  - Short Circuit protection (SCP)
  - Reverse Current Protection (RCP)
  - Over Temperature Protection (OTP)
- Compliance to IEC61000-4-2 on VOUT
  - Contact discharge: ±8kV
  - Air Gap discharge: ±15kV
- 1.2V IO compatible – EN, FLTB
- Package: HL5081: 9-Bump WLCSP, 0.4mm Pitch, 1.51mm x 1.47mm
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- Smartphones, Tablet PC, Note PC
- Mobile IoT Devices

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