Features
Ø 200mΩ Typ. High-Side MOSFET
Ø 0.8A Current Limit
Ø Small SOT-23-5L Package Minimizes Board Space
Ø Thermal Protection
Ø Low 46.5μA Supply Current
Ø Wide Input Voltage Range: 1.9V ~ 5.5V
Typical Application Circuit

Description
The HX9012 is an integrated 200mΩ power switch for self-powered and bus-powered Universal Series Bus (USB) applications. Its low quiescent supply current (46.5μA) and small package (SOT-23-5L) is particularly suitable in battery-powered portable equipment.
Several protection functions include soft start to limit inrush current during plug-in, current limiting at 0.8A to meet USB power requirement, and thermal shutdown to protect damage under over current conditions.
Applications
Ø Battery-Powered Equipment
Ø Motherboard USB Power Switch
Ø USB Device Power Switch
Ø Hot-Plug Power Supplies
Ø Battery-Charger Circuits
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