1ch High Side Switch ICs for USB Devices and Memory Cards - BD2055AFJ

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.

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* This product is a STANDARD grade product and not recommend for on-vehicle devices.

Part number	Status	Package	Unit Quantity	Minimum Package Quantity	Packing Type	RoHS
BD2055AFJ-E2	Active	SOP-J8	2500	2500	Taping	Yes

Specifications:

Supply Voltage(Min.)[V]	2.7
Supply Voltage(Max.)[V]	5.5
Current consumption(Typ.)[µA]	90.0
ON Resistance [mΩ]	80
Channel Number [ch]	1
Control Input Logic	Active High
Over Current Detect [A]	0.3 to 0.8
Output Turn on Time [ms]	1.2
Thermal Shut Down	Recovery
Flag Output Delay at Over Current [ms]	1.3
Operating Temperature (Min.)[°C]	-40
Operating Temperature (Max.)[°C]	85

Features:

・Low on resistance 80mΩ Nch MOSFET Switch
・Continuous current load 0.25A
・Soft start circuit
・Over current detection
・Thermal shutdown
・Under voltage lockout
・Open drain error flag output
・Reverse-current protection when power switch off
・Power supply voltage range 2.7V to 5.5V
・TTL Enable input
・1.2ms typical rise time
・10μA max standby current
・Operating temperature range -40°C to 85°C

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Technical Data

Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.

Part Explanation

For ICs