Voltage Detector with Watchdog Timer - BD87A41FVM

The BD37A19 / 41FVM, BD87A28 / 29 / 34 / 41FVM, BD99A41F is a watchdog timer reset IC. It delivers a high detection voltage precision of ±1.5% and a super-low current consumption of 5µA (Typ.). It can be used in a wide range of electronic devices to monitor power supply voltages and system operation to prevent runaway operation.

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BD87A41FVM-TRActiveMSOP830003000TapingYes

BD87A41FVM Data Sheet

Specifications
Voltage Detection[V]4.1
VDET Precision [%]±1.5
Reset Active Voltage Range [V]1.0 to 10
Output TypesOpen drain
Reset Delay TimerAdjustable Delay
Reset Active StateLow
Manual ResetNo
Watchdog TimerYes
SENSE PinNo
Auto MotiveYes
Circuit Current (ON) [µA]5
Hysteresis Voltage [V]VDET x 0.035
"L" Output Current (LowVol) [mA]0.7
Delay Circuit Resistance [MΩ]10.0
WDT Active Voltage Range [V]2.5 to 10
Operating Temperature (Min.)[°C]-40
Operating Temperature (Max.)[°C]105
Applications
  • Coin Processing Machines
  • Air-conditioner
  • Barcode Scanner
  • Digital Multimeter: Handy Type
  • Refrigerator
  • Motor Control: Brushless DC
  • Single Board Computer
  • AC Servo
  • Blood Pressure Monitor
  • Network Attached Storage
  • DVR/DVS
  • Home Theater System
  • Motor Control: Stepper Motor
  • Motor Control: Brushed DC
  • Electric Bike
  • ECG(EKG)
  • Ultrasound System for Portable
  • Surveillance Camera for Network
  • Machine Vision Camera for Industrial
  • IH Cooking Heater
  • Ultrasound System
  • Digital Multimeter: Bench Type
  • Solar Power Inverters
  • Portable Data Terminal
  • Meter for Medical Treatments Portable
  • Automotive
  • Data Management Apparatus for Remote Healthcare
  • X-ray Inspection Machine for Security
  • Surveillance Camera
  • Monitor for Medical
  • Home Audio
  • Fingerprint Authentication Device
  • Pulse Oximeter
  • CPAP
Technical Documents
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Application Note BA12004BF
Package Information BD87A41FVM
Part Explanation BA12004BF