TPS3851
Features
- 1 0.8% Voltage Threshold Accuracy
- Precision Undervoltage Monitoring:
- Supports mon Rails from 1.8 V to 5.0 V
- 4% and 7% Undervoltage Thresholds
Available
- 0.5% Hysteresis
- Factory-Programmed Precision Watchdog and Reset Timers:
- ±15% Accurate WDT and RST Delays
- Watchdog Disable Feature
- User-Programmable Watchdog Timeout
- Input Voltage Range: VDD = 1.6 V to 6.5 V
- Low Quiescent Current: IDD = 10 µA (typ)
- Open-Drain Outputs
- Manual Reset Input (MR)
- Available in a Small 3-mm × 3-mm, 8-Pin VSON Package
- Junction Operating Temperature Range:
- 40°C to +125°C
2 Applications
- Safety-Critical Applications
- Telematics Control Units
- FPGAs and ASICs
- Microcontrollers and DSPs
Fully Integrated Microcontroller Supervisory Circuit
1.8 V
VDD SET1 MR CWD
RESET WDO WDI GND
VDD Microcontroller RESET NMI
GPIO
Copyright © 2016, Texas Instruments Incorporated
3 Description
The TPS3851 bines a precision voltage supervisor with a programmable watchdog...