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Maxim > 方案 > 电信交换机(PBX和中心局)

电压排序与跟踪

数据资料
显示 标题/型号 关键优势
QV  PDF 四通道、I²C、可控制裕量的IDAC，具有三路电源跟踪
DS4426

低成本、可通过I²C控制的电源裕量调节器和跟踪器
QV  PDF 超小尺寸、六路电压、微处理器监控电路
MAX16055

提高可靠性并减小系统尺寸
QV    四/六路电压、电源跟踪器/排序器/监测器
MAX16044, MAX16045

具有排序、反向排序功能，可跟踪六路电压，无需任何软件控制
QV  PDF 双/三电压、电源排序器/监控器
MAX6880, MAX6881, MAX6882, MAX6883
QV  PDF 双/三电压、电源跟踪器/排序器/监控器
MAX6877, MAX6878, MAX6879
QV  PDF 超小型、可调节排序/监控电路
MAX6895, MAX6896, MAX6897, MAX6898, MAX6899
QV  PDF 引脚可设置的、八/六/四路电源排序器/监控器
MAX6892, MAX6893, MAX6894
QV  PDF EEPROM可编程、八/六/四路电源排序器/监控电路
MAX6889, MAX6890, MAX6891
QV  PDF EEPROM可编程、四路、电源跟踪器/排序电路
MAX6876

EEPROM可编程、四路、电源跟踪器/排序电路
QV  PDF EEPROM可编程、六/四路电源排序器/监控电路，带有ADC
MAX6870, MAX6871

EEPROM可编程、六/四路、电源排序器/监控电路，带有ADC
QV  PDF 双电压微处理器监控电路，带有顺序复位输出
MAX6391, MAX6392
QV  PDF SOT23封装、电源排序器
MAX6819, MAX6820

用于双/多电压供电系统的电源排序器，控制电源的通/断，保证系统的高可靠性



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)
MAX16044  Sequence
Sequence and Track
Track 		Factory Fixed
R/C Adjustable 		4 <6
>6
•Charge Pump Output
•Enable Input
•Manual Reset
•Reset Output
•Reverse Sequencing
•Slew Rate Control
•Voltage Margining
 See Data Sheet  -  -40 to +85
MAX16045  Sequence
Sequence and Track
Track 		Factory Fixed
R/C Adjustable 		6 <6
>6
•Charge Pump Output
•Enable Input
•Manual Reset
•Reset Output
•Reverse Sequencing
•Slew Rate Control
•Voltage Margining
 See Data Sheet  -  -40 to +85
MAX6889  Sequence I2C/SMBus 8 >6
•User EEPROM
•Watchdog Timer
 TQFN/32 26 -40 to +85
MAX6890  Sequence I2C/SMBus 6 >6
•User EEPROM
•Watchdog Timer
 TQFN/28 26 -40 to +85
MAX6891  Sequence I2C/SMBus 4 >6
•User EEPROM
•Watchdog Timer
 TQFN/20 26 -40 to +85
MAX6892  Sequence Pin-Selectable 8 <6
•Enable Input
•Reset Output
 TQFN/32 26 -40 to +85
MAX6893  Sequence Pin-Selectable 6 <6
•Enable Input
•Reset Output
 TQFN/28 26 -40 to +85
MAX6894  Sequence Pin-Selectable 4 <6
•Enable Input
•Reset Output
 TQFN/28 26 -40 to +85
MAX6877  Sequence
Sequence and Track
Track 		Factory Fixed
R/C Adjustable 		3 <6
•Charge Pump Output
•Enable Input
•Reset Output
•Slew Rate Control
 TQFN/24 17 -40 to +85
MAX6878  Sequence
Sequence and Track
Track 		Factory Fixed
R/C Adjustable 		2 <6
•Charge Pump Output
•Enable Input
•Reset Output
•Slew Rate Control
 TQFN/24 17 -40 to +85
MAX6879  Sequence
Sequence and Track
Track 		Factory Fixed
R/C Adjustable 		2 <6
•Charge Pump Output
•Enable Input
•Slew Rate Control
 TQFN/16 17 -40 to +85
MAX6880  Sequence Factory Fixed
R/C Adjustable 		3 <6
•Charge Pump Output
•Enable Input
•Reset Output
•Slew Rate Control
 TQFN/24 17 -40 to +85
MAX6881  Sequence Factory Fixed
R/C Adjustable 		3 <6
•Charge Pump Output
•Enable Input
•Slew Rate Control
 TQFN/16 17 -40 to +85
MAX6882  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Charge Pump Output
•Enable Input
•Reset Output
•Slew Rate Control
 TQFN/16 17 -40 to +85
MAX6883  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Charge Pump Output
•Enable Input
•Slew Rate Control
 TQFN/16 17 -40 to +85
MAX6895  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 µDFN/6
TSOT/6 		2 -40 to +125
MAX6896  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 µDFN/6
TSOT/6 		2 -40 to +125
MAX6897  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 µDFN/6
TSOT/6 		2 -40 to +125
MAX6898  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 µDFN/6
TSOT/6 		2 -40 to +125
MAX6899  Sequence Factory Fixed
R/C Adjustable 		1 <6
•Enable Input
•Overvoltage Detection
 µDFN/6
TSOT/6 		2 -40 to +125
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
 TQFN/36 37 -40 to +85
MAX6870  Sequence I2C/SMBus 6 >6
•ADC
•Charge Pump Output
•Enable Input
•Overvoltage Detection
•User EEPROM
•Watchdog Timer
 TQFN/32 50 -40 to +85
MAX6871  Sequence I2C/SMBus 4 >6
•ADC
•Charge Pump Output
•Enable Input
•Overvoltage Detection
•User EEPROM
•Watchdog Timer
 TQFN/32 50 -40 to +85
MAX6391  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Reset Output
 SOT/8 9 -40 to +85
0 to +70
MAX6392  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Reset Output
 SOT/8 9 -40 to +85
0 to +70
MAX6819  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Enable Input
 SOT/6 9 -40 to +85
-40 to +125
0 to +70
MAX6820  Sequence Factory Fixed
R/C Adjustable 		2 <6  -  SOT/6 9 -40 to +85
-40 to +125
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 Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
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 		 -  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  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  -  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
MAX6897  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 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
MAX6898  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  -  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
MAX6899  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 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
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. ICC (µA)
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 		Open Drain 85ms to 300ms
300ms to 1s
>1s
Adjustable 		No Watchdog Adjustable Reset Input 1.5 25
MAX6392  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
Push-Pull 		85ms to 300ms
300ms to 1s
>1s
Adjustable 		No Watchdog Adjustable Reset Input
Manual Reset 		1.5 25
See All Supervisors (2 Monitored Voltages) (84)

Key Specifications:   Supervisors (4 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. ICC (µA)
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 		Open Drain
Open Drain with Internal Pull-Up 		85ms to 300ms No Watchdog Manual Reset 1.5 55
See All Supervisors (4 Monitored Voltages) (27)

Key Specifications:   Supervisors (> 5 Monitored Voltages)
Part Number Number of Monitored Voltages Interface Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Max. ICC (µA)
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 		Open Drain
Open Drain with Internal Pull-Up 		85ms to 300ms No Watchdog Manual Reset 55
See All Supervisors (> 5 Monitored Voltages) (20)
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