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SG Micro Corp (SGMICRO) specializes in the development, manufacturing and sales of high-performance and high-reliability integrated circuits for analog signal conditioning and system power management, offering innovative solutions to a broad range of applications in the industrial, automotive, communication, computing, consumer electronics, and medical equipment markets.
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Copyright © 2025 SG MICRO CORP All rights reserved.
  • Home
  • Power Management
  • System Power Management and Supervisory ICs
  • Supply Monitors with Watchdog Timers

Supply Monitors with Watchdog Timers

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Automotive Grade

Parametric Search Selector

18 of 18 total products

18 of 18 total products

Part Number
Images
Supply Current (μA)
Filter
UpUp
DownDown
Manual Reset
Filter
UpUp
DownDown
VCC (V)
Filter
Reset Threshold (V)
Filter
UpUp
DownDown
VCC to Reset Delay (μs)
Filter
UpUp
DownDown
Reset Active Timeout Period (ms)
Filter
UpUp
DownDown
Reset Output
Filter
UpUp
DownDown
Package
Filter
UpUp
DownDown
Features
Filter
Status
Filter
SGM706
50
Yes
1.0 ~ 5.5
4.65 / 4.4 / 4.0 / 3.08 / 2.93 / 2.63
-
200
Active Low (Push-Pull)
SOIC-8,
MSOP-8
6 Selectable Thresholds, Watchdog, Debounced Manual-Reset Input
Not Recommended for New Designs
SGM706B
0.6
Yes
1.0 ~ 5.5
4.63 / 4.38 / 4.0 / 3.08 / 2.93 / 2.63
-
200
Active Low (Push-Pull)
UTDFN-1.5×1.5-8L,
SOIC-8,
MSOP-8
6 Selectable Thresholds, Watchdog, Debounced Manual-Reset Input
Active
SGM706S
0.9
yes
1.0 ~ 5.5
4.63 / 4.38 / 4.0 / 3.08 / 2.93 / 2.63
-
210
Active Low (Push-Pull)
SOIC-8
8-Pin Microprocessor Supervisory Circuit with Watchdog Timer and Manual Reset
Active
SGM816
1.6
Yes
1.0 ~ 5.0
1.2 / 1.5 / 3.3
50
140
Active Low (Push-Pull)
SOT-23-6
3 Selectable Thresholds, Watchdog, Manual-Reset Input, Low Power
Active
SGM820
1.2
Yes
1.6 ~ 6.5
4.8 / 4.65 / 3.168 / 3.069 / 2.88 / 2.79 / 2.4 / 2.325 / 1.728 / 1.674
90
200
Active Low (Open-Drain)
TDFN-3×3-8L,
TDFN-2×2-8L
10 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM820xQ
1.2
yes
1.6 ~ 6.5
3.069 / 2.325 / 1.647 / 4.650
90
200
Active Low (Open-Drain)
TDFN-3×3-8GL,
TDFN-2×2-8DL
Automotive, 4 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM821
0.035
Yes
1.8 ~ 5.5
N/A
N/A
Programmable
Active Low (Open-Drain)
SOT-23-6,
TDFN-2×2-6AL
Programmable Watchdog Intervals, Watchdog, Manual-Reset Input
Active
SGM823
0.5
Yes
1.0 ~ 5.5
4.63 / 3.08 / 2.93 / 2.63
84
200
Active Low (Push-Pull)
SOT-23-5
4 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM823A
0.64
Yes
1.0 ~ 5.5
2.19 / 1.67 / 1.58
90
200
Active Low (Push-Pull)
SOT-23-5
3 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM823S
0.82
yes
1.0 ~ 5.5
2.63
12
220
Active Low (Push-Pull)
SOT-23-5
Microprocessor Supervisory Circuit with Watchdog Timer and Manual Reset
Active
SGM824
0.5
No
1.0 ~ 5.5
4.63 / 3.08 / 2.93 / 2.63
84
200
Active Low/High (Push-Pull)
SOT-23-5
4 Selectable Thresholds, Watchdog
Active
SGM824A
0.64
No
1.0 ~ 5.5
1.58 / 1.67 / 2.19
90
200
Active Low/High (Push-Pull)
SOT-23-5
5-Pin Microprocessor Supervisory Circuit with Watchdog Timer
Active
SGM817xQ
NEW
0.5
Yes
1.0 ~ 5.5
4.66 / 3.10 / 2.95 / 2.64
90
25
Active Low (Push-Pull)
SOT-23-5
Automotive, 4 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM823xQ
NEW
0.5
Yes
1.0 ~ 5.5
4.66 / 3.10 / 2.95 / 2.64
90
200
Active Low (Push-Pull)
SOT-23-5
Automotive, 4 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM850
NEW
9
No
1.6 ~ 5.5
0.4 / 0.9 / 1.2 / 1.8 / 2.5 / 3.0 / 3.3 / 5.0
25,
50
Programmable
Active Low (Open-Drain)
TDFN-3×3-10AL
Programmable Window Watchdog Timer
Active
SGM850xQ
NEW
9
No
1.6 ~ 5.5
0.4 / 0.9 / 1.2 / 1.8 / 2.5 / 3.0 / 3.3 / 5.0
25,
50
Programmable
Active Low (Open-Drain)
TDFN-3×3-10BL
Automotive, Programmable Window Watchdog Timer
Active
SGM855
NEW
0.04
No
1.8 ~ 5.5
-
-
-
-
SOT-23-6
Nano-Power System Timer for Power Gating
Active
SGM858xQ
NEW
13
No
3,
5.5
-
-
-
Active Low (Open-Drain/Push-Pull)
SOIC-8
Automotive, Windowed Watchdog Timer
Active
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