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- ISO 26262: Functional Safety Standard for Modern Road Vehicles
Application Note
- Voltage Detector Circuit Collection
ROHM的BD45***G、BD46**G系列是一組採用CMOS製程,並具有高精度與低耗電特性的電壓檢測IC系列。內建計時器延遲電路,因此不需外接具備延時設定功能的電容器。為了讓客戶在應用上具有更多樣化的選擇,本產品系列備有Nch開汲極輸出與CMOS輸出等2種輸出型式,檢測電壓的範圍為2.3V~4.8V,0.1V的電壓增幅,各26款,以及不同的固定延遲時間合計156種。全系列產品均為無鉛且符合RoHS指令。
Under Voltage Detection Voltage [V] (typ.)
3.4
VDET Precision [%]
±1
Reset Active Voltage Range [V]
0.95 to 10
Output Types
Open drain
Reset Delay Timer
Fixed Delay (200msec)
Reset Active State
Low
Manual Reset
Yes
Watchdog Timer
No
Auto Motive
No
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
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
105
Package Size
2.90 x 2.80 (t=1.25)