White Paper
- ISO 26262: Functional Safety Standard for Modern Road Vehicles
Application Note
- Voltage Detector Circuit Collection
BD4720G
BD4720G
Standard Voltage Detectors
ROHM的雙極電壓檢測IC系列能夠有效避免CPU及邏輯電路的電源在ON/OFF或是瞬間斷電等過渡狀態下發生系統誤動作。本產品由電源、接地、重置輸出之3組端子所組成，可檢測出各種系統的電源電壓並輸出重置訊號。由於本產品的超小型體積及低耗電量，因此能更進一步提升行動裝置的易用性。全系列產品均為無鉛且符合RoHS指令。
Product Detail
規格:
Under Voltage Detection Voltage [V] (typ.)
2.0
VDET Precision [%]
±1
Reset Active Voltage Range [V]
0.85 to 10
Output Types
Open collector
Reset Delay Timer
No
Reset Active State
Low
Manual Reset
No
Watchdog Timer
No
Auto Motive
No
Circuit Current (ON) [µA]
1.5
Circuit Current (OFF) [µA]
1.6
Hysteresis Voltage [V]
0.05
L Output Current (LowVol) [mA]
15
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
75
Package Size
2.9x2.8 (t=1.25)
功能:
・產品系列包含檢測電壓為0.1V Step，1.9V～4.6V 之各種類型・高精度檢測電壓：±1%
・低耗電流
Design Resources
Documents
White Paper
- ISO 26262: Functional Safety Standard for Modern Road Vehicles
Application Note
- Voltage Detector Circuit Collection
Technical Articles
Schematic Design & Verification
- Spice Models for Voltage Detector ICs
- 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
Models
- BD4720G PSPICE Model
2D/3D/CAD
- SSOP5 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)