Step-up / Inverted 2ch Switching Regulator - BD81870EFV-M

BD81870EFV is current mode step-up and inverted 2-channel switching regulator with built in FET.

Part number
Unit Quantity
Minimum Package Quantity
Packing Type
BD81870EFV-ME2 Active HTSSOP-B20 2500 2500 Taping Yes
Grade Automotive
ch 2
Vin1(Min.)[V] 2.5
Vin1(Max.)[V] 5.5
SW frequency(Max.)[MHz] 2.1
Circuit Current(Typ.)[mA] 1.0
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 105
    • AEC-Q100 Qualified
    • Wide input voltage range 2.5V to 5.5V
    • High Frequency 2.1MHz
    • Built-in 300mΩ/22V Nch FET and 300mΩ/15.5V Pch FET.
    • Built-in 150mΩ high-side switch for boost channel with soft-start function
    • Independent ON/OFF signal, Built-in discharge switch
    • Circuits protection:OCP, SCP, OVP, UVLO, TSD
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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.