Automotive IPS series 1ch High-side switch - BD1HD500HFN-C

BD1HD500HFN-C is an Automotive 1ch High-Side switch. It has a built-in overcurrent protection circuit, Thermal Shut Down (TSD) circuit, Open Load Detection circuit, Under Voltage Lock Out circuit, and has diagnostic (ST) output function at the time during abnormal detection.

Part number
Unit Quantity
Minimum Package Quantity
Packing Type
Constitution Materials List
BD1HD500HFN-CTR Active HSON8 3000 3000 Taping inquiry Yes
Grade Automotive
Channel Number [ch] 1
Drain-Source Voltage (Max.)[V] 44.5
Output Current[A] 0.8
ON Resistance [mΩ] 500
Over Current Detect [A] 0.8
Active Clamp Energy [mJ] 33.0
Supply Voltage(Min.)[V] 4
Supply Voltage(Max.)[V] 18
Current consumption(Typ.)[µA] 1500
Thermal Shut Down Self-restart
Open Load Detect [V] 2.8
Status Terminal Available
Junction Temperature Tj (Min.)[°C] -40
Junction Temperature Tj (Max.)[°C] 150
    • Built-in overcurrent protection circuit
    • Built-in Thermal Shut Down (TSD)
    • Built-in Open Load Detection circuit (When Output is OFF)
    • Possibility to control directly from CMOS logic IC
    • Low standby current
    • Built-in Under Voltage Lock Out circuit
    • Built-in diagnostic (ST) output function
    • Low On resistance of RDS (ON) =500mΩ (Typ) (VDD=12V, Ta=25°C, IOUT=0.25A)
    • Monolithic power IC that has a built in control part (CMOS) and a power MOS FET on 1chip
    • 1ch High-side switch for the mechanical relay coil drive
    • AEC-Q100 qualified
Technical Data
Application Note

Thermal Resistance