CMOS Over Voltage Detector IC - BD71L4LG-1

ROHM's BD71G4LG-1 is highly accurate and low current Over Voltage Detector IC. It is an N-Channel Open-Drain output type with detection voltage of 4.05V and hysteresis voltage of 30mV. It is most suitable for monitoring the charge of a lithium-ion battery.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part number
Unit Quantity
Minimum Package Quantity
Packing Type
BD71L4LG-1GTR Active SSOP5 3000 3000 Taping Yes
Voltage Detection[V] 4.05
VDET Precision [%] ±0.8
Output Types Open drain
Reset Delay Timer No
Reset Active State Low
Manual Reset No
Watchdog Timer No
Auto Motive No
Hysteresis Voltage [V] 0.03
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・High Accuracy Detection Voltage
    ・Low Current Consumption
    ・N-Channel Open Drain Output
    ・Wide Operating Temperature Range
    ・Very Small and Low Height Package
    ・Package SSOP5 is similar to SOT-23-5 (JEDEC)
Other New/Updated Products Relating to Power Management
PART NUMBER Product Name Package Datasheet Distribution Inventory
BD71L4LHFV-1 CMOS Over Voltage Detector IC HVSOF5   Buy Sample
New Products:
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.