Precision Voltage Supervisor with Integrated Watchdog Timer, SGM820 Replace TPS3851.
FEATURES

• High Accuracy Voltage Threshold (< 1%)

• Precision Under-Voltage Monitoring:

• Supports Common Rails of 1.8V, 2.5V, 3V, 3.3V and 5V

• 0.5% Typical Hysteresis

• Factory-Programmed Precision 

  Watchdog and Reset Timers:

• ±15% Accurate WDT and RST Delays

• User-Programmable Watchdog Timeout

• Input Voltage Range: 1.6V to 6.5V

• Low Supply Current: 1.2μA (TYP)

• Open-Drain Outputs

• Watchdog Disable Feature

• Manual Reset Input (nMR)

• -40℃ to +125℃ Operating Temperature Range

• Available in Green TDFN-3×3-8L and

  TDFN-2×2-8L Packages


PIN CONFIGUTION
CROSS
TPS3851 TPS3851.pdf

No.13130

FEATURES

• Input voltage range: VDD = 1.6 V to 6.5 V

• 0.8% Voltage threshold accuracy

• Low quiescent current: IDD = 10 µA (typical)

• User-programmable watchdog timeout

• Open-drain outputs

• Precision undervoltage monitoring:

  – Supports common rails from 1.8 V to 5.0 V

  – 4% and 7% Undervoltage thresholds available

  – 0.5% Hysteresis

• Watchdog disable feature

• Factory-programmed precision 

  watchdog and reset timers

• 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

PIN CONFIGUTION
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