Description
Single channel high side switch IC for USB port is a high side switch having over current protection used in power supply line of universal serial bus (USB).
N-channel power MOSFET of low on resistance and low supply current are realized in this IC.
And, over current detection circuit, thermal shutdown circuit, under voltage lockout and soft start circuit are built in.

Features
1) Built-in low on resistance Nch MOS FET Switch.
   Typ = 80mΩ (BD2041AF/BD2051AFJ)
   Typ = 100mΩ (BD6519FJ)
2) Continuous current load 0.5A
3) Control input logic
   Active-Low : BD2041AFJ/ BD6519FJ
   Active-High : BD2051AFJ
4) Soft start circuit
5) Over current detection
6) Thermal shutdown
7) Under voltage lockout
8) Open drain error flag output
9) Reverse-current protection when power switch off
10) Power supply voltage range
   2.7V~5.5V (BD2041AF/BD2051AFJ)
   3.0V~5.5V (BD6519FJ)
11) Operating temperature range -40°C~85°C

Applications
   USB hub in consumer appliances, Car accessory, PC, PC peripheral equipment, and so forth