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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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  • Home
  • Power Management
  • System Power Management and Supervisory ICs

System Power Management and Supervisory ICs

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SGMICRO provides a broad portfolio of voltage supervisors and reset ICs, which includes watchdogs, voltage detectors, and programmable time-delay supervisors, among others. These devices are suitable for a wide range of applications, including automotive, industrial, medical instruments, and personal electronics, ensuring the healthy operation of the system.

Subcategory

Multi-Supply MonitorsSingle-Supply MonitorsWatchdog Timer OnlySupply Monitors with Watchdog TimersSupply Monitors without Watchdog TimersAutomotive Grade

Parametric Search Selector

75 of 75 total products

75 of 75 total products

Part Number
Images
VCC (V)
Filter
Manual Reset
Filter
UpUp
DownDown
Reset Active Timeout Period (ms)
Filter
UpUp
DownDown
Reset Output
Filter
UpUp
DownDown
Reset Threshold (V)
Filter
UpUp
DownDown
VCC to Reset Delay (μs)
Filter
UpUp
DownDown
Package
Filter
UpUp
DownDown
Features
Filter
Status
Filter
SGM706
1.0 ~ 5.5
Yes
200
Active Low (Push-Pull)
4.65 / 4.4 / 4.0 / 3.08 / 2.93 / 2.63
-
SOIC-8,
MSOP-8
6 Selectable Thresholds, Watchdog, Debounced Manual-Reset Input
Not Recommended for New Designs
SGM706B
1.0 ~ 5.5
Yes
200
Active Low (Push-Pull)
4.63 / 4.38 / 4.0 / 3.08 / 2.93 / 2.63
-
UTDFN-1.5×1.5-8L,
SOIC-8,
MSOP-8
6 Selectable Thresholds, Watchdog, Debounced Manual-Reset Input
Active
SGM706S
1.0 ~ 5.5
yes
210
Active Low (Push-Pull)
4.63 / 4.38 / 4.0 / 3.08 / 2.93 / 2.63
-
SOIC-8
8-Pin Microprocessor Supervisory Circuit with Watchdog Timer and Manual Reset
Active
SGM708
1.0 ~ 5.5
Yes
200
Active Low/High (Push-Pull)
4.65 / 4.4 / 4.0 / 3.08 / 2.93 / 2.63
0.1
SOIC-8
6 Selectable Thresholds, Debounced Manual-Reset Input, Dual Reset Outputs
Active
SGM800
1.0 ~ 5.5
No
Programmable
Active Low (Open-Drain)
2.93 / 2.63 / 2.32 / 1.63
80
SOT-23-5
Programmable Reset Timeout, Low Quiescent Current
Active
SGM802
1.0 ~ 5.5
No
Programmable
Active High (Push-Pull)
2.93 / 2.63 / 2.32 / 1.63
80
SC70-4 (R),
SOT-143
Programmable Reset Timeout, Low Quiescent Current, Small Package
Active
SGM803B
1.0 ~ 5.5
No
240
Active Low (Open-Drain)
4.38 / 4.00 / 3.08 / 2.93 / 2.63
110
SOT-23-3,
SOT-23
5 Selectable Thresholds, Low Power
Active
SGM804
1.0 ~ 5.5
No
Programmable
Active Low (Push-Pull)
2.93 / 2.63 / 2.32 / 1.63
80
SOT-23-5
Programmable Reset Timeout, Low Quiescent Current
Active
SGM808B
0.95 ~ 10
No
-
Active Low (Open-Drain)
1.5 ~ 6.0 (0.1V Increments)
-
SC70-4 (R),
SOT-23-5,
SOT-89-3
1.5V to 6.0V Selectable Thresholds, Low Power
Active
SGM809B
1.0 ~ 5.5
No
240
Active Low (Push-Pull)
4.38 / 4.00 / 3.08 / 2.93 / 2.63
110
SOT-23-3,
SOT-23
5 Selectable Thresholds, Low Power
Active
SGM810B
1.0 ~ 5.5
No
240
Active High (Push-Pull)
4.38 / 4.00 / 3.08 / 2.93 / 2.63
110
SOT-23-3,
SOT-23
5 Selectable Thresholds, Low Power
Active
SGM811B
1.0 ~ 5.5
Yes
200
Active Low (Push-Pull)
3.08 / 2.93 / 2.63
84
SOT-143
3 Selectable Thresholds, Manual-Reset Input, Low Power
Not Recommended for New Designs
SGM811C
1.0 ~ 5.5
Yes
200
Active Low (Push-Pull)
4.43 / 4.05 / 3.09 / 2.93 / 2.63 / 2.33 / 1.67
100
SOT-143
6 Selectable Thresholds, Manual-Reset Input, Low Power
Active
SGM812B
1.0 ~ 5.5
Yes
200
Active High (Push-Pull)
3.08 / 2.93 / 2.63
84
SOT-143
3 Selectable Thresholds, Manual-Reset Input, Low Power
Active
SGM812C
1.0 ~ 5.5
Yes
200
Active Low (Push-Pull)
4.43 / 4.05 / 3.09 / 2.93 / 2.63 / 2.33 / 1.67
100
SOT-143
6 Selectable Thresholds, Manual-Reset Input, Low Power
Active
SGM814
1.0 ~ 5.0
Yes
140
Active Low (Open-Drain)
1.2 / 1.5 / 2.0 / 3.3
50
SOT-23-6
4 Selectable Thresholds, Watchdog, Manual-Reset Input, Low Power
Active
SGM815
1.0 ~ 5.0
Yes
140
Active Low (Open-Drain)
1.6 / 3.3
50
SOT-23-6
2 Selectable Thresholds, Watchdog, Manual-Reset Input, Low Power
Active
SGM816
1.0 ~ 5.0
Yes
140
Active Low (Push-Pull)
1.2 / 1.5 / 3.3
50
SOT-23-6
3 Selectable Thresholds, Watchdog, Manual-Reset Input, Low Power
Active
SGM818
0.9 ~ 6.0
No
0,
51,
208,
409
Active Low /High(Open-Drain)
1.2V to 5V (0.1V Increments)
37
SOT-23-3,
SOT-23-3 (L-Type)
1.2V to 5.0V Selectable Thresholds, Low Quiescent Current
Active
SGM820
NEW
1.6 ~ 6.5
Yes
200
Active Low (Open-Drain)
4.8 / 4.65 / 3.168 / 3.069 / 2.88 / 2.79 / 2.4 / 2.325 / 1.728 / 1.674
90
TDFN-3×3-8L,
TDFN-2×2-8L
10 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM820xQ
1.6 ~ 6.5
yes
200
Active Low (Open-Drain)
3.069 / 2.325 / 1.647 / 4.650
90
TDFN-3×3-8GL,
TDFN-2×2-8DL
Automotive, 4 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM821
1.8 ~ 5.5
Yes
Programmable
Active Low (Open-Drain)
N/A
N/A
SOT-23-6,
TDFN-2×2-6AL
Programmable Watchdog Intervals, Watchdog, Manual-Reset Input
Active
SGM822
2.7 ~ 5.5
No
-
Active Low/High (Open-Drain)
-
-
MSOP-8
The Easiest Method to Sequence Rails, Power-Up and Power-Down Control
Active
SGM823
1.0 ~ 5.5
Yes
200
Active Low (Push-Pull)
4.63 / 3.08 / 2.93 / 2.63
84
SOT-23-5
4 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM823A
1.0 ~ 5.5
Yes
200
Active Low (Push-Pull)
2.19 / 1.67 / 1.58
90
SOT-23-5
3 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM823S
1.0 ~ 5.5
yes
220
Active Low (Push-Pull)
2.63
12
SOT-23-5
Microprocessor Supervisory Circuit with Watchdog Timer and Manual Reset
Active
SGM824
1.0 ~ 5.5
No
200
Active Low/High (Push-Pull)
4.63 / 3.08 / 2.93 / 2.63
84
SOT-23-5
4 Selectable Thresholds, Watchdog
Active
SGM826B
0.95 ~ 10
No
50
Active Low (Open-Drain)
2.2 ~ 6.0 (0.1V Increments)
220
SC70-4 (R),
SOT-23-5
2.2V to 6.0V Selectable Thresholds, Low Power
Active
SGM827B
0.95 ~ 10
No
100
Active Low (Open-Drain)
2.2 ~ 6.0 (0.1V Increments)
220
SC70-4 (R),
SOT-23-5
2.2V to 6.0V Selectable Thresholds, Low Power
Active
SGM828B
0.95 ~ 10
No
-
Active Low (Open-Drain)
2.2 ~ 6.0 (0.1V Increments)
-
SC70-4 (R),
SOT-23-5
2.2V to 6.0V Selectable Thresholds, Low Power
Active
SGM829
1.65 ~ 6.5
Yes
Programmable
Active Low (Open-Drain)
1.8 ~ 5.0
85
SOT-23-5
Adjustable Delay Time, Manual-Reset Input, Low Quiescent Current
Active
SGM829S
1.65~ 6.5
Yes
Programmable
Active Low (Open-Drain)
1.8V to 5V
-
SOT-23-5
Microprocessor Supervisory Circuit with Programmable Delay Time
Active
SGM836
1.65 ~ 6.5
Yes
Programmable
Active Low (Open-Drain)
0.9 ~ 5.0/Adj (down to 0.4)
28
SOT-23-6,
TDFN-2×2-6AL
Adjustable Delay Time, Manual-Reset Input, Low Quiescent Current
Active
SGM851
1.6 ~ 6.5
Yes
80,
400
Active Low (Open-Drain)
-
-
UTDFN-1.45×1-6AL
Low-Power, Push-Button Controller with Configurable Delay
Active
SGM852
3~ 16
No
-
Active High (Open-Drain)
-
-
TDFN-3×3-10L
Dual Adjustable Voltage Detector with Reset and Gate Driver Outputs
Active
SGM853
1.7 ~ 5.5
No
-
-
-
-
UTQFN-1.6×1.6-12AL
Low Power Reset Timer with Two Voltage Detector Functions
Active
SGM860
1.8 ~ 6.5
Yes
Adjustable Delay Time: 1.45ms to 10s
Active Low (Open-Drain)
-
-
TQFN-4×4-20BL
Quad Supply Voltage Supervisors with Adjustable Delay and Watchdog Timer
Active
SGM862
1.65 ~ 6.5
No
-
Active Low (Open-Drain)
1.175 / 1.169 / 1.121 / 1.062
-
UTDFN-1.45×1-6AL,
SOT-23-6
Dual Channel, Low Power, High Accuracy
Active
SGM890B
1.0 ~ 6.0
No
Programmable
Active Low (Open-Drain)
0.8 ~ 5.0 (0.1V Increments)
-
SOT-23-5
Programmable Reset Timeout, Low Quiescent Current
Active
SGM891B
1.0 ~ 6.0
No
-
Active Low (Open-Drain)
0.8 ~ 5.0 (0.1V Increments)
-
SOT-23-5
0.8V to 5.0V Selectable Thresholds, Low Quiescent Current
Active
SGM892B
1.0 ~ 6.0
No
0.11
Active Low (Open-Drain)
1.0 ~ 5.0 (0.1V Increments)
50
SOT-23-5,
SOT-23-3,
UTDFN-1×1-4L
1.0V to 5.0V Selectable Thresholds, Low Power
Active
SGM893B
1.0 ~ 6.0
Yes
210
Active Low (Open-Drain)
1.0 ~ 5.0 (0.1V Increments)
50
SOT-23-5,
UTDFN-1×1-4L
1.0V to 5.0V Selectable Thresholds, Low Power
Active
SGM894B
1.0 ~ 6.0
No
Programmable
Active Low (Open-Drain)
1V to 5V (0.1V Increments)
-
XTDFN-0.9×1.2-4L,
SC70-4
Voltage Detector with Delay Time Adjustable
Active
SGM895
1.6 ~ 5.5
No
Programmable
Active High (Push-Pull)
Adj (0.5 Defult)
50
UTDFN-1.45×1-6AL,
TSOT-23-6
Adjustable Input Delay Time, Enable Delay Time, Low Power
Active
SGM896
1.6 ~ 5.5
No
Programmable
Active Low (Push-Pull)
Adj (0.5 Defult)
50
UTDFN-1.45×1-6AL,
TSOT-23-6
Adjustable Input Delay Time, Enable Delay Time, Low Power
Active
SGM897
1.6 ~ 5.5
No
Programmable
Active High (Open-Drain)
Adj (0.5 Defult)
50
UTDFN-1.45×1-6AL,
TSOT-23-6
Adjustable Input Delay Time, Enable Delay Time, Low Power
Active
SGM898
1.6 ~ 5.5
No
Programmable
Active Low (Open-Drain)
Adj (0.5 Defult)
50
UTDFN-1.45×1-6AL,
TSOT-23-6
Adjustable Input Delay Time, Enable Delay Time, Low Power
Active
SGM899
1.6 ~ 5.5
No
Programmable
Active High (Push-Pull)
Adj (0.5 Defult)
50
UTDFN-1.45×1-6AL,
TSOT-23-6
Adjustable Input Delay Time, Enable Delay Time, Low Power
Active
SGM790A
2.5 ~ 5.5
No
-
-
-
-
UTDFN-1.2×1.2-6L
Low Current, Dual Load Attach/Detach Detection, 1.3s Wake-Up Output
Active
SGM790B
2.5 ~ 5.5
No
-
-
-
-
UTDFN-1.2×1.2-6L
Low Current, Dual Load Attach/Detach Detection, Open-Drain Flag Output
Active
SGM790C
2.5 ~ 5.5
No
-
-
-
-
UTDFN-1.2×1.2-6L
Low Current, Dual Load Attach/Detach Detection, 1.3s Wake-Up Output
Active
SGM791A
2.5 ~ 5.5
No
-
-
-
-
UTDFN-1×1-4L
Single Load Detector with 300nA Operating Current
Active
SGM813B
1.0 ~ 6.0
No
22
Active Low (Open-Drain)
1.4
-
TDFN-2×2-6L
1.4V Fixed Threshold, Low Quiescent Current
Active
SGM824A
1.0 ~ 5.5
No
200
Active Low/High (Push-Pull)
1.58 / 1.67 / 2.19
90
SOT-23-5
5-Pin Microprocessor Supervisory Circuit with Watchdog Timer
Active
SGM818Y
NEW
0.9 ~ 6
No
6.6
Active Low (Open-Drain)
1.6,
2.9
37
SOT-23-3,
UTDFN-1×1-4L
Micro-Power Voltage Detector
Active
SGM803
1.0 ~ 5.5
No
240
Active Low (Open-Drain)
4.63 / 4.38 / 4.00 / 3.08 / 2.93 / 2.63 / 2.32 / 1.63
20
SOT-23-3,
SOT-23
Microprocessor Supervisory Circuit
Not Recommended for New Designs
SGM809
1.0 ~ 5.5
No
240
Active Low (Push-Pull)
4.63 / 4.38 / 4.00 / 3.08 / 2.93 / 2.63 / 2.32 / 1.63
20
SOT-23-3,
SOT-23
Microprocessor Supervisory Circuit
Not Recommended for New Designs
SGM810
1.0 ~ 5.5
No
240
Active High (Push-Pull)
4.63 / 4.38 / 4.00 / 3.08 / 2.93 / 2.63 / 2.32 / 1.63
20
SOT-23-3,
SOT-23
8 Selectable Thresholds, Low Power
Not Recommended for New Designs
SGM854
NEW
2.4 ~ 12
No
-
Active Low/High (Open-Drain/Push-Pull)
-
-
UTQFN-1.8×1.4-10L
Load Switch Controller with Reset Timer
Active
SGM864S
NEW
2 ~ 5.5
No
-
Active-High (Open-Drain)
-
-
TQFN-3.5×3.5-20L
Dual Channel, Adjustable Delay Time
Active
SGM817xQ
NEW
1.0 ~ 5.5
Yes
25
Active Low (Push-Pull)
4.66 / 3.10 / 2.95 / 2.64
90
SOT-23-5
Automotive, 4 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM823xQ
NEW
1.0 ~ 5.5
Yes
200
Active Low (Push-Pull)
4.66 / 3.10 / 2.95 / 2.64
90
SOT-23-5
Automotive, 4 Selectable Thresholds, Watchdog, Manual-Reset Input
Active
SGM836xQ
NEW
1.65 ~ 6.5
Yes
Programmable
Active Low (Open-Drain)
0.9 / 1.8 / 3.3 / Adj (down to 0.4)
29
SOT-23-6,
TDFN-2×2-6GL
Automotive Adjustable Delay Time, Manual-Reset Input, Low Quiescent Current
Active
SGM819S
NEW
1.7 ~ 5.5
No
-
Active Low (Open-Drain)
-
-
SOT-23-5
Watchdog Timer
Active
SGM819SxQ
NEW
1.7 ~ 5.5
No
-
Active Low (Open-Drain)
-
-
SOT-23-5
Automotive Watchdog Timer
Active
SGM861
NEW
1.7 ~ 5.5
Yes
Programmable
Active Low (Open-Drain)
0.5 ~ 1.3 (0.05V Increments) / 1.5 / 1.8 / 2.5 / 2.8 / 2.9 / 3.3 / 5
20
TDFN-1.5×1.5-6L
High Accuracy OV/UV Detection Reset IC
Active
SGM880xQ
NEW
1.2 ~ 36,
2.2 ~ 36
No
Programmable
Active Low (Open-Drain)
2.3V to 5.0V (0.1V Increments),
5.0V to 12.0V (0.25V Increments)
Programmable
SOT-23-5
Automotive, 36V Input Voltage Detector with Delay Function
Active
SGM880
NEW
1.2 ~ 36,
2.2 ~ 36
No
Programmable
Active Low (Open-Drain)
2.3V to 5.0V (0.1V Increments),
5.0V to 12.0V (0.25V Increments)
Programmable
SOT-23-5
36V Input Voltage Detector with Delay Function
Active
SGM890BxQ
NEW
1.0 ~ 6.0
No
Programmable
Active Low (Open-Drain)
1.0 / 3.0
-
SOT-23-5
Automotive, Programmable Reset Timeout, Low Quiescent Current
Active
SGM818xQ
NEW
1.0 ~ 6.0
No
7,
50
Active Low (Open-Drain)
1.6 / 2.9
37
SOT-23-3
Automotive, Micro-Power Voltage Detector
Active
SGM850
NEW
1.6 ~ 5.5
No
Programmable
Active Low (Open-Drain)
0.4 / 0.9 / 1.2 / 1.8 / 2.5 / 3.0 / 3.3 / 5.0
25,
50
TDFN-3×3-10AL
Programmable Window Watchdog Timer
Active
SGM850xQ
NEW
1.6 ~ 5.5
No
Programmable
Active Low (Open-Drain)
0.4 / 0.9 / 1.2 / 1.8 / 2.5 / 3.0 / 3.3 / 5.0
25,
50
TDFN-3×3-10BL
Automotive, Programmable Window Watchdog Timer
Active
SGM855
NEW
1.8 ~ 5.5
No
-
-
-
-
SOT-23-6
Nano-Power System Timer for Power Gating
Active
SGM865
NEW
2.3 ~ VSHUNT
No
-
-
-
-
SSOP-16,
TQFN-3×3-16L
Quad UV/OV Positive/Negative Voltage Supervisor
Active
SGM892A
NEW
1.0 ~ 6.0
No
0.12
Active Low (Push-Pull)
3.1
40
SOT-23,
SC70-3
Standard CMOS Voltage Detector, Low Power
Active
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