Voltage Detector with Fixed Delay Time - BD45E291G-M

ROHM’s BD45Exxxx-M and BD46Exxxx-M series arehighly accurate, low current consumption VoltageDetector IC series. Because the counter timer delaycircuit is built into those series, an external capacitor forthe delay time setting is unnecessary. The lineup wasestablished with two output types (Nch open drain andCMOS output) and detection voltages range from 2.3Vto 4.8V in increments of 0.1V, so that the series may beselected according to application.

Part number
Unit Quantity
Minimum Package Quantity
Packing Type
BD45E291G-MTR Active SSOP5 3000 3000 Taping Yes
Voltage Detection[V] 2.9
VDET Precision [%] ±1
Reset Active Voltage Range [V] 0.95 to 10
Output Types Open drain
Reset Delay Timer Fixed Delay (100msec)
Reset Active State Low
Manual Reset Yes
Watchdog Timer No
Auto Motive Yes
Circuit Current (ON) [µA] 0.80(VDET=4.8V)
Circuit Current (OFF) [µA] 0.85(VDET=4.8V)
Hysteresis Voltage [V] VDET x 0.05
"L" Output Current (LowVol) [mA] 1.2
"L" Output Current (HighVol) [mA] 5
Comment Cu wire bonding.
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 105
  • ・ Counter Timer Built-in
    ・ No delay time setting capacitor required
    ・ Ultra-low current consumption
    ・ Two output types (Nch open drain and CMOS output)
    ・ Package SSOP5 is similar to SOT-23-5 (JEDEC)
Technical Data
Application Note

Thermal Resistance