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Voltage Sequencing and Tracking



DATA SHEETS
Part Number Description Key Advantages
DS4426 Quad-Channel, I²C-Margining IDACs with Three Channels of Power-Supply Tracking

Inexpensive, I²C-Adjustable, Power-Supply Margining and Tracking
MAX16055 Ultra-Small, Hex Voltage, Microprocessor Supervisor

Increases Reliability While Reducing Solution Size
MAX16044, MAX16045 Quad-/Hex-Voltage, Power-Supply Trackers/Sequencers/Monitors

Sequence, Reverse Sequence, and Track Up to Six Voltages Without Any Software Required
MAX6880, MAX6881, MAX6882,
...		 Dual-/Triple-Voltage, Power-Supply Sequencers/Supervisors
MAX6877, MAX6878, MAX6879 Dual-/Triple-Voltage, Power-Supply Trackers/Sequencers/Supervisors
MAX6895, MAX6896, MAX6897,
...		 Ultra-Small, Adjustable Sequencing/Supervisory Circuits
MAX6892, MAX6893, MAX6894 Pin-Selectable, Octal/Hex/Quad, Power-Supply Sequencers/Supervisors
MAX6889, MAX6890, MAX6891 EEPROM-Programmable, Octal/Hex/Quad, Power-Supply Sequencers/Supervisors
MAX6876 EEPROM-Programmable, Quad, Power-Supply Tracker/Sequencer Circuit
MAX6870, MAX6871 EEPROM-Programmable Hex/Quad Power-Supply Sequencers/Supervisors with ADC

EEPROM-Programmable Hex/Quad Power-Supply Sequencers/Supervisors with ADC
MAX6391, MAX6392 Dual-Voltage µP Supervisory Circuits with Sequenced Reset Outputs
MAX6819, MAX6820 SOT23 Power-Supply Sequencers

Power Supply Sequencers for Dual/Multi-Voltage Systems Control Power On/Power Off Characteristics for Higher System Reliability



Key Specifications:

Precision DACs (4-12 Bits)
Part Number Resolution
(bits)		 Channels Output Type Reference INL
(±LSB)		 Interface Supply Range
(V)		 Supply Range
(V)		 Oper. Temp.
(°C)
max min max
DS4426  8 4 Current- Buffered Ext. 1 Serial - I2C 2.7 5.5 -40 to +85
See All Precision DACs (4-12 Bits) (267)

Power-Supply Sequencers and Voltage Trackers
Part Number Option Interface Input Chan. VIN
(V)		 Features RoHS Available Industry Qualified Oper. Temp.
(°C)		 Package/Pins Smallest Available Pckg.
(mm2)
max max w/pins
MAX6889  Sequence I2C/SMBus 8 >6
User EEPROM
Watchdog Timer
 Yes - -40 to +85
TQFN/32
 26
MAX6890  Sequence I2C/SMBus 6 >6
User EEPROM
Watchdog Timer
 See Data Sheet - -40 to +85
TQFN/28
 26
MAX6891  Sequence I2C/SMBus 4 >6
User EEPROM
Watchdog Timer
 Yes - -40 to +85
TQFN/20
 26
MAX6892  Sequence Pin-Selectable 8 <6
Enable Input
Reset Output
 Yes - -40 to +85
TQFN/32
 26
MAX6893  Sequence Pin-Selectable 6 <6
Enable Input
Reset Output
 See Data Sheet - -40 to +85
TQFN/28
 26
MAX6894  Sequence Pin-Selectable 4 <6
Enable Input
Reset Output
 Yes - -40 to +85
TQFN/28
 26
MAX6877 
Sequence
Sequence and Track
Track
Factory Fixed
R/C Adjustable
 3 <6
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 Yes - -40 to +85
TQFN/24
 16.8
MAX6878 
Sequence
Sequence and Track
Track
Factory Fixed
R/C Adjustable
 2 <6
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 Yes - -40 to +85
TQFN/24
 16.8
MAX6879 
Sequence
Sequence and Track
Track
Factory Fixed
R/C Adjustable
 2 <6
Charge Pump Output
Enable Input
Slew Rate Control
 Yes - -40 to +85
TQFN/16
 16.8
MAX6880  Sequence
Factory Fixed
R/C Adjustable
 3 <6
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 Yes - -40 to +85
TQFN/24
 16.8
MAX6881  Sequence
Factory Fixed
R/C Adjustable
 3 <6
Charge Pump Output
Enable Input
Slew Rate Control
 Yes - -40 to +85
TQFN/16
 16.8
MAX6882  Sequence
Factory Fixed
R/C Adjustable
 2 <6
Charge Pump Output
Enable Input
Reset Output
Slew Rate Control
 Yes - -40 to +85
TQFN/16
 16.8
MAX6883  Sequence
Factory Fixed
R/C Adjustable
 2 <6
Charge Pump Output
Enable Input
Slew Rate Control
 Yes - -40 to +85
TQFN/16
 16.8
MAX6895  Sequence
Factory Fixed
R/C Adjustable
 1 <6
Enable Input
Overvoltage Detection
 Yes Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6896  Sequence
Factory Fixed
R/C Adjustable
 1 <6
Enable Input
Overvoltage Detection
 Yes
Automotive - AECQ100
Automotive - General
 -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6897  Sequence
Factory Fixed
R/C Adjustable
 1 <6
Enable Input
Overvoltage Detection
 Yes Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6898  Sequence
Factory Fixed
R/C Adjustable
 1 <6
Enable Input
Overvoltage Detection
 Yes Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6899  Sequence
Factory Fixed
R/C Adjustable
 1 <6
Enable Input
Overvoltage Detection
 Yes Automotive - General -40 to +125
µDFN/6
TSOT/6
 8.3
MAX6876 
Sequence
Sequence and Track
Track
 I2C/SMBus 4 <6
Charge Pump Output
Current Sensing
Enable Input
Overvoltage Detection
Reset Output
Slew Rate Control
User EEPROM
 Yes - -40 to +85
TQFN/36
 37.2
MAX6870  Sequence I2C/SMBus 6 >6
ADC
Charge Pump Output
Enable Input
Overvoltage Detection
User EEPROM
Watchdog Timer
 Yes - -40 to +85
TQFN/32
 50.4
MAX6871  Sequence I2C/SMBus 4 >6
ADC
Charge Pump Output
Enable Input
Overvoltage Detection
User EEPROM
Watchdog Timer
 Yes - -40 to +85
TQFN/32
 50.4
MAX6391  Sequence
Factory Fixed
R/C Adjustable
 2 <6 Reset Output Yes -
-40 to +85
0 to +70
SOT/8
 9
MAX6392  Sequence
Factory Fixed
R/C Adjustable
 2 <6 Reset Output Yes -
-40 to +85
0 to +70
SOT/8
 9
MAX6819  Sequence
Factory Fixed
R/C Adjustable
 2 <6 Enable Input Yes Automotive - General
-40 to +85
-40 to +125
0 to +70
SOT/6
 9
MAX6820  Sequence
Factory Fixed
R/C Adjustable
 2 <6 - Yes Automotive - General
-40 to +85
-40 to +125
0 to +70
SOT/6
 9
See All Power-Supply Sequencers and Voltage Trackers (55)

Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
MAX6895 
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
Active High
Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable
 No Watchdog
Adjustable Reset Input
Overvoltage/Window Monitor
 1.8 20
MAX6896 
Active Low
Push-Pull
MAX6897 
Active High
Open Drain
MAX6898 
Active Low
Open Drain
MAX6899 
Active High
Push-Pull
See All Supervisors (1 Monitored Voltage) (274)

Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
MAX6391 
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
Active Low
Open Drain
85ms to 300ms
300ms to 1s
>1s
Adjustable
 No Watchdog Adjustable Reset Input 1.5 25
MAX6392 
Active Low
Open Drain
Push-Pull
Adjustable Reset Input
Manual Reset
See All Supervisors (2 Monitored Voltages) (84)

Supervisors (4 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
min @ +25°C max
MAX16055 
Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
Active Low
Open Drain
With Internal Pull-Up
 85ms to 300ms No Watchdog Manual Reset 1.5 55
See All Supervisors (4 Monitored Voltages) (26)

Supervisors (> 5 Monitored Voltages)
Part Number Monitored Voltages Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Supervisor Features ICC
(µA)
min max
MAX16055 
5
6
Factory Fixed
R/C Adjustable
0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
Active Low
Open Drain
With Internal Pull-Up
 85ms to 300ms No Watchdog Manual Reset 55
See All Supervisors (> 5 Monitored Voltages) (12)





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