White Paper
- ISO 26262: Functional Safety Standard for Modern Road Vehicles
BD37A19FVM
BD37A19FVM
Voltage Detector with Watchdog Timer
BD37A19/41FVM、BD87A28/29/34/41FVM、BD99A41F為看門狗計時器電壓檢測IC。實現高檢測電壓精度±1.5％、低消耗電流5μA(Typ.)。在任何電子裝置中都能監控電源電壓和系統的工作，防止系統失控。
Product Detail
規格:
Under Voltage Detection Voltage [V] (typ.)
1.9
VDET Precision [%]
±1.5
Reset Active Voltage Range [V]
1.0 to 10
Output Types
Open drain
Reset Delay Timer
Adjustable Delay
Reset Active State
Low
Manual Reset
No
Watchdog Timer
Yes
SENSE Pin
No
Auto Motive
No
Circuit Current (ON) [µA]
5
Hysteresis Voltage [V]
VDET x 0.13
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
Package Size
2.90 x 4.00 (t=0.9)
功能:
・高檢測電壓精度：±1.5％、±2.5％(Ta=-40～105℃)・超低消耗電流：5μA(Typ.)
・內建看門狗計時器
・CT端子外接電容器，可設定重置延遲時間
・CTW端子外接電容器，可設定看門狗計時器監控時間、重置時間
・輸出電路方式：Nch開汲極輸出
Design Resources
Documents
White Paper
- ISO 26262: Functional Safety Standard for Modern Road Vehicles
Technical Articles
Schematic Design & Verification
- Importance of Probe Calibration When Measuring Power: Deskew
- Impedance Characteristics of Bypass Capacitor
Thermal Design
- What Is Thermal Design
- Method for Calculating Junction Temperature from Transient Thermal Resistance Data
- Thermal Resistance
Tools
2D/3D/CAD
- MSOP8 Footprint / Symbol
Packaging & Quality
Package Information
- Package Information
- Anti-Whisker formation
Manufacturing Data
- Factory Information
Environmental Data
- UL94 Flame Classifications of Mold Compound
- Compliance with the ELV directive
- REACH SVHC Non-use Declaration
- RoHS Comission Delegated Directive
Export Information
- The Export Control Order
- Export Administration Regulations(EAR)