High Accuracy Voltage Supervisor with Integrated Watchdog Timer, SGM820Q Replace TPS3851-Q1
FEATURES

 AEC-Q100 Qualified for Automotive Applications Device 

  Temperature Grade 1TA = -40℃ to +125℃

 Precision Fixed Detection Options:

     VITN = 1.674V (TYP) for 1.8V System

     VITN = 2.325V (TYP) for 2.5V System

     VITN = 3.069V (TYP) for 3.3V System

 High-Accuracy Voltage Threshold

 Hysteresis Characteristics: 0.5% (TYP)

 Supply Voltage Range: 1.6V to 6.5V

 Ultra-Low Supply Current: 1.2μA (TYP)

 High-Accuracy Reset Delay

 High-Accuracy User-Programmable Watchdog Timer

     Sandard Version: SGM820A-xQ

     Extended Version: SGM820B-xQ

 Watchdog Disable Function

 Available Manual Reset Input (nMR)

 Open-Drain nRESET Output

• Available in Green TDFN-3×3-8GL and TDFN-2×2-8DL Packages 




PIN CONFIGUTION
CROSS
TPS3851-Q1 TPS3851-Q1.pdf

No.13836

FEATURES

• AEC-Q100 qualified with the following results:

  Device temperature grade 1: –40°C to 

  125°C ambient operating temperature range

  Device HBM ESD classification level 2

  Device CDM ESD classification level C4B

• Functional Safety-capable

• Documentation available to aid 

  functional safety system design

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

• 0.8% Voltage threshold accuracy

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

• User-programmable watchdog timeout

• Factory programmed precision 

  watchdog and reset timers:

• Manual reset input (MR)

• 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

• Available in a small 3-mm × 3-mm, 8-Pin VSON package

PIN CONFIGUTION
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