Precision Voltage Supervisor with Programmable Window Watchdog Timer, SGM850Q Replace TPS3850-Q1.
FEATURES
• AEC-Q100 Qualified for Automotive Applications
  Device Temperature Grade 1
  TA = -40℃ to +125℃
• Functional Safety
  Available Documentation in the Design of
  Functional Safety Systems
• High Threshold Accuracy: 1.4% (MAX)
• Precision Over-Voltage and Under-Voltage
  Monitoring:
    Voltage Rails from 0.4V to 5.0V
    Fault Windows Threshold: ±4% for
   SGM850A-xQ and ±7% for SGM850B-xQ
   0.7% Hysteresis
• Factory-Programmed Precision Watchdog and
  Reset Timers:
   ±15% Accurate Watchdog and Reset Delays
• Watchdog Disable Feature
• Adjustable Watchdog Timeout Period
• Adjustable Reset Delay
• Operating Voltage Range: 1.6V to 6.5V
• Low Supply Current: 9μA (TYP)
• Active-Low, Open-Drain Outputs
• Available in a Green Small TDFN-3×3-10BL Package
PIN CONFIGUTION
CROSS
TPS3850-Q1 TPS3850-Q1.pdf

No.14030

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 (Maximum)

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

•User-programmable watchdog timeout

•User-programmable reset delay

•Factory programmed precision watchdog and reset timers

•Open-drain outputs

•Precision over- and undervoltage monitoring:

–Supports common rails from 0.9 V to 5.0 V

–4% and 7% Fault windows available

–0.5% Hysteresis

•Watchdog disable feature

•Available in a small 3-mm × 3-mm, 10-Pin VSON package



PIN CONFIGUTION
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