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Maxim > Solutions > Automotive

Multi-Voltage Supervisors

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Title / Parts

Key Advantages

QV PDF

Low-Power Dual-/Triple-Voltage SC70 µP Supervisory Circuits
MAX6736, MAX6737, MAX6738, MAX6739, MAX6740, MAX6741, MAX6742, MAX6743, MAX6744, MAX6745

Low-Power, Dual-/Triple-Voltage SC70 µP Supervisory Circuits are Ideal for Portable Equipment

QV PDF

Low-Voltage, SOT23, µP Supervisors with Power-Fail In/Out, Manual Reset, and Watchdog Timer
MAX6701, MAX6701A, MAX6702, MAX6702A, MAX6703, MAX6703A, MAX6704, MAX6705, MAX6705A, MAX6706, MAX6706A, MAX6707, MAX6707A, MAX6708

QV PDF

6-Pin µP Reset Circuit with Power-Fail Comparator
MAX6342, MAX6343, MAX6344, MAX6345

Key Specifications: Sequencers/Trackers

Part Number

Option

Interface

Number of Input Channels

Maximum Operating Voltage Range (V)

Features

Package

Smallest Available Package (max w/pins) (mm²)

Operating Temp. Range (°C)

MAX6741

Sequence

Factory Fixed
R/C Adjustable

•	Reset Output

SC70/5

-40 to +85
0 to +70

MAX6744

Sequence

Factory Fixed
R/C Adjustable

•	Reset Output

SC70/5

-40 to +85
0 to +70

See All Sequencers/Trackers (52)

Key Specifications: Supervisors (1 Monitored Voltage)

Part Number

Reset Threshold Range (V)

Active-Low Reset Output

Active-High Reset Output

Min. Reset Timeout Range

Watchdog Feature

Nom. Watchdog Timeout Range

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

MAX6742

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms
>1s

No Watchdog

Manual Reset
Power Fail Comparator

MAX6745

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms
>1s

No Watchdog

Power Fail Comparator

MAX6704

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

Input (WDI)

1s to 2s

Adjustable Reset Input
Manual Reset
Power Fail Comparator

MAX6705

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

Input (WDI)
Input/Output (WDI/WDO)

1s to 2s

Adjustable Reset Input
Manual Reset
Power Fail Comparator

MAX6706

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

Input (WDI)
Input/Output (WDI/WDO)

1s to 2s

Adjustable Reset Input
Manual Reset
Power Fail Comparator

MAX6707

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms

Input (WDI)
Input/Output (WDI/WDO)

1s to 2s

Adjustable Reset Input
Manual Reset
Power Fail Comparator

MAX6708

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

No Watchdog

Adjustable Reset Input
Manual Reset
Power Fail Comparator

MAX6342

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

No Watchdog

Adjustable Reset Input
Manual Reset
Power Fail Comparator

1.5

MAX6343

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms

No Watchdog

Adjustable Reset Input
Manual Reset
Power Fail Comparator

1.5

MAX6344

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

No Watchdog

Adjustable Reset Input
Manual Reset
Power Fail Comparator

1.5

MAX6345

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

No Watchdog

Adjustable Reset Input
Manual Reset
Power Fail Comparator

1.5

See All Supervisors (1 Monitored Voltage) (270)

Key Specifications: Supervisors (2 Monitored Voltages)

Part Number

Interface

Reset Threshold Range (V)

Active-Low Reset Output

Min. Reset Timeout Range

Watchdog Feature

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

MAX6741

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms
>1s

No Watchdog

Manual Reset

MAX6744

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms
>1s

No Watchdog

MAX6736

Factory Fixed

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms
>1s

No Watchdog

Manual Reset

MAX6737

Factory Fixed

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms
>1s

No Watchdog

Manual Reset

MAX6738

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms
>1s

No Watchdog

Adjustable Reset Input
Manual Reset

MAX6739

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms
>1s

No Watchdog

Adjustable Reset Input
Manual Reset

See All Supervisors (2 Monitored Voltages) (84)

Key Specifications: Supervisors (3 Monitored Voltages)

Part Number

Interface

Reset Threshold Range (V)

Active-Low Reset Output

Active-High Reset Output

Min. Reset Timeout Range

Watchdog Feature

Nom. Watchdog Timeout Range

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

MAX6740

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms
>1s

No Watchdog

Adjustable Reset Input
Manual Reset

MAX6743

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms
>1s

No Watchdog

Adjustable Reset Input

MAX6701

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

Input (WDI)
Input/Output (WDI/WDO)

1s to 2s

Adjustable Reset Input
Manual Reset

MAX6702

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

Input (WDI)
Input/Output (WDI/WDO)

1s to 2s

Adjustable Reset Input
Manual Reset

MAX6703

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms

Input (WDI)
Input/Output (WDI/WDO)

1s to 2s

Adjustable Reset Input
Manual Reset

See All Supervisors (3 Monitored Voltages) (32)