1ch Small Package High Side Switch ICs for USB Devices and Memory Cards - BD2221G-LB

This is the product guarantees long time support in Industrial market. The High-side switch for memory card slot is an IC High-side switch with a function of over-current protection used in the power supply line of a memory card slot. In the switch part an N channel MOSFET low ON resistance has been 1 circuit integrated.Moreover, a soft start function, an under voltage lockout function and an over temperature protection function are integrated.

Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BD2221G-LBTR Active SSOP5 3000 3000 Taping Yes
Supply Voltage(Min.)[V] 2.7
Supply Voltage(Max.)[V] 5.5
Current consumption(Typ.)[µA] 110.0
ON Resistance [mΩ] 160
Channel Number [ch] 1
Control Input Logic Active Low
Over Current Detect [A] 0.5 to 1.0
Output Turn on Time [ms] 1.0
Thermal Shut Down Recovery
Flag Output Delay at Over Current [ms] 15.0
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • · Long time support a product for Industrial applications.
    · Single channel of low ON resistance (Typ=160mO) Nch power MOSFET built in
    · 500mA Continuous current load
    · Over current detection (Output off-latch operation)
    · Under voltage lockout (UVLO)
    · Thermal shutdown (TSD)
    · Soft start function
    · Open drain error flag output
    · Active "Low" control logic
    · Reverse-current protection when power switch off
    · SSOP5 Package
Technical Data
Application Note

Thermal Resistance