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1ch High Side Switch ICs for USB Devices and Memory Cards - BD2055AFJSingle 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. |
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
Applications:
Pin Configuration:
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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