Features
?? 200mΩ Typ. High-Side MOSFET
?? 0.8A Current Limit
?? Small SOT-23-5L Package Minimizes Board?Space
?? Thermal Protection
?? Low 46.5μA Supply Current
?? 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
?? Battery-Powered Equipment
?? Motherboard USB Power Switch
?? USB Device Power Switch
?? Hot-Plug Power Supplies
?? Battery-Charger Circuits
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