Voltage Monitor With Watchdog Timer, SGM817Q Replace TPS3820-Q1.
FEATURES
• AEC-Q100 Qualified for Automotive Applications
  Device Temperature Grade 1
  TA = -40℃ to +125℃
• Ultra-Low Supply Current: 0.64μA (TYP)
• Precision Supply-Voltage Monitor
   4.66V for SGM817-LQ
   3.10V for SGM817-TQ
   2.95V for SGM817-SQ
   2.64V for SGM817-RQ
• Guaranteed nRESET Valid at VCC = 1V
• Push-Pull nRESET Output
• Reset Pulse Width: 25ms (TYP)
• Debounced TTL/CMOS-Compatible
• Manual Reset Input
• Watchdog Timer with 200ms (TYP) Timeout
• Fully Specified over Temperature
• Power-Supply Transient Immunity
• Without External Components
• -40℃ to +125℃ Operating Temperature Range

• Available in a Green SOT-23-5 Package


PIN CONFIGUTION
优势替代
TPS3820-Q1 TPS3820-Q1.pdf

No.14008

FEATURES

• Qualified for automotive applications

• AEC-Q100 Qualified With the Following Results:

  – Device temperature grade 1: –40°C to 125°C

  – Device HBM ESD classification level 2

  – Device CDM ESD classification level C4B

• ESD protection exceeds 2000 V Per MIL-STD-

  883, Method 3015; using human body model (C =

  100 pF, R = 1500 Ω)

• Power-on reset generator with fixed delay time of

  200 ms (TPS3823/4/5/8-xx-Q1) or 25 ms

  (TPS3820-xx-Q1)

• Manual reset input (TPS3820/3/5/8-xx-Q1)

• Reset output available in active-low

  (TPS3820/3/4/5-xx-Q1), Active-High (TPS3824/5-

  xx-Q1), and open drain (TPS3828-xx-Q1)

• Supply voltage supervision range:

  2.5 V, 3 V, 3.3 V, 5 V

• Watchdog timer (TPS3820/3/4/8-xx-Q1)

• Supply current of 15 μA (Typical)

• 5-Pin SOT-23 package

• Temperature range: −40°C to 125°C

PIN CONFIGUTION
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