
ROHM Semiconductor
General Description
BD2041AFJ and BD2051AFJ are single channel high side switch ICs with over-current protection for Universal Serial Bus (USB) power supply line. These ICs have low ON-Resistance N-Channel power MOSFETs with low supply current, built-in over-current protection circuit, thermal shutdown circuit, under voltage lockout and soft-start circuit.
FEATUREs
◾ Built-In Low ON-Resistance Nch MOSFET
( Typ=80mΩ )
◾ Control Input Logic
➢ Active-Low: BD2041AFJ
➢ Active-High: BD2051AFJ
◾ Soft-Start Circuit
◾ Over-Current Protection
◾ Thermal Shutdown
◾ Under Voltage Lockout Function
◾ Open Drain Error Flag Output
◾ Reverse-Current Protection when Switch Off
◾ Flag Output Delay
APPLICATIONs
USB Hub in Consumer Appliances, PC, PC Peripheral
Equipment, and so forth