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Maxim > 方案 > 机顶盒

监控电路

数据资料
显示 标题/型号 关键优势
QV  PDF 高压、可调节排序/监控电路
MAX16052, MAX16053

最简单的复位和监控电路，能够工作在高压，可灵活调节
QV  PDF 可提供稳压输出的电池备份电路
MAX16023, MAX16024

低功耗电池备份电路，可调节输出大大减少外部元件数量
QV  PDF 微处理器监控电路，带有独立的VCC复位输出和手动复位输出
MAX6453, MAX6454, MAX6455, MAX6456

µP监控电路，具有独立的VCC复位和手动复位输出，简化机顶盒设计
QV  PDF 微处理器复位电路，带有长手动复位建立时间
MAX6443, MAX6444, MAX6445, MAX6446, MAX6447, MAX6448, MAX6449, MAX6450, MAX6451, MAX6452

µP复位电路，带有手动复位周期设置，在面板应用中可避免无效的复位操作
QV  PDF 微处理器监控复位电路，带有边沿触发、单稳态手动复位
MAX6467, MAX6468
QV  PDF 双/三电压微处理器监控电路
MAX6351, MAX6352, MAX6353, MAX6354, MAX6355, MAX6356, MAX6357, MAX6358, MAX6359, MAX6360

业内首款多电压监控电路，采用SOT封装



Key Specifications:   Battery Backup Circuits
Part Number Reset Threshold Range (V) Active-Low Reset Output Max. ICC (µA) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX16023  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain
Push-Pull 		8
•Manual Reset
•Power Fail Comparator
•Regulated Output
 TDFN-EP/8 10 -40 to +85
MAX16024  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain
Push-Pull 		8
•Battery On
•Chip Enable Gate
•Manual Reset
•Regulated Output
 TDFN-EP/10 10 -40 to +85
See All Battery Backup Circuits (86)

Key Specifications:   Pushbutton Devices
Part Number Number of Monitored Voltages Manual Reset Feature MR1 Setup Time MR2 Setup Time Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Package
MAX6468  1 One-Shot 1µs  -  1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Push-Pull 85ms to 300ms
>1s 		1.5 13 SC70/4
SOT/4
MAX6467  1 One-Shot 1µs  -  1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain 85ms to 300ms
>1s 		1.5 13 SC70/4
SOT/4
MAX6453  2 Independent Soft and Hard Reset Outputs 1µs  -  1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Push-Pull 85ms to 300ms 2.5 16 SOT/6
MAX6454  2 Independent Soft and Hard Reset Outputs 1µs  -  1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain 85ms to 300ms 2.5 16 SOT/6
MAX6455  2 Independent Soft and Hard Reset Outputs 1µs (Soft)
3.36s (Hard) 		 -  1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Push-Pull 85ms to 300ms 2.5 16 SOT/6
MAX6456  2 Independent Soft and Hard Reset Outputs 1µs (Soft)
3.36s (Hard) 		 -  1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain 85ms to 300ms 2.5 16 SOT/6
MAX6443  1 Extended Setup Period 6.72s  -  1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Push-Pull 85ms to 300ms 2.5 16 SOT/4
MAX6444  1 Extended Setup Period 6.72s  -  1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain 85ms to 300ms 2.5 16 SOT/4
MAX6445  1 Extended Setup Period 6.72s 6.72s 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Push-Pull 85ms to 300ms 2.5 16 SOT/5
MAX6446  1 Extended Setup Period 6.72s 6.72s 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain 85ms to 300ms 2.5 16 SOT/5
MAX6447  1 Extended Setup Period 6.72s 1µs 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Push-Pull 85ms to 300ms 2.5 16 SOT/5
MAX6448  1 Extended Setup Period 6.72s 1µs 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain 85ms to 300ms 2.5 16 SOT/5
MAX6449  2 Extended Setup Period 6.72s 6.72s 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Push-Pull 85ms to 300ms 2.5 16 SOT/6
MAX6450  2 Extended Setup Period 6.72s 6.72s 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain 85ms to 300ms 2.5 16 SOT/6
MAX6451  2 Extended Setup Period 6.72s 1µs 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Push-Pull 85ms to 300ms 2.5 16 SOT/6
MAX6452  2 Extended Setup Period 6.72s 1µs 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain 85ms to 300ms 2.5 16 SOT/6
See All Pushbutton Devices (17)

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)
MAX16052  Sequence R/C Adjustable 1 <6
>6
•Enable Input
•Reset Output
 SOT/6 9 -40 to +85
-40 to +105
-40 to +125
0 to +70
MAX16053  Sequence R/C Adjustable 1 <6
>6
•Enable Input
•Reset Output
 SOT/6 9 -40 to +85
-40 to +105
-40 to +125
0 to +70
See All Sequencers/Trackers (52)

Key Specifications:   Supervisors (1 Monitored Voltage)
Part Number Reset Threshold Range (V) Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
MAX16052  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Open Drain 1ms to 15ms
15ms to 85ms
85ms to 300ms
250ms to 450ms
300ms to 1s
<1ms
Adjustable 		No Watchdog Adjustable Reset Input
High Voltage (>6V) 		1.8 45
MAX16053  0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Push-Pull 1ms to 15ms
15ms to 85ms
85ms to 300ms
250ms to 450ms
300ms to 1s
<1ms
Adjustable 		No Watchdog Adjustable Reset Input
High Voltage (>6V) 		1.8 60
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 Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
MAX6351  Factory Fixed 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  -  Manual Reset 1.5 50
MAX6352  Factory Fixed 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  -  Manual Reset 1.5 50
MAX6353  Factory Fixed 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  -  Manual Reset 1.5 50
MAX6354  Factory Fixed 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  -  Manual Reset 1.5 50
MAX6358  Factory Fixed 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 Extended Setup Period
Input (WDI) 		1s to 2s
>2s 		Manual Reset 1.5 50
MAX6359  Factory Fixed 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 Extended Setup Period
Input (WDI) 		1s to 2s
>2s 		Manual Reset 1.5 50
MAX6360  Factory Fixed 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 Extended Setup Period
Input (WDI) 		1s to 2s
>2s 		Manual Reset 1.5 50
See All Supervisors (2 Monitored Voltages) (84)

Key Specifications:   Supervisors (3 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)
MAX6355  Factory Fixed
R/C Adjustable 		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 		1.5 50
MAX6356  Factory Fixed
R/C Adjustable 		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 		1.5 50
MAX6357  Factory Fixed
R/C Adjustable 		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 		1.5 50
See All Supervisors (3 Monitored Voltages) (32)

Key Specifications:   Switch Debouncer/Protectors
Part Number Number of Switch Inputs Edge Triggered Functions Debounce Duration (ms) Output Polarity Output Type Max. Switch Input ESD Protection (±kV) Max. Supply Current (µA) Package
MAX6468  1 Falling Edge
•Non-Retriggerable One-Shot
 85 to 300 Active Low Push-Pull +5.5 2 13 SC70/4
SOT/4
MAX6467  1 Falling Edge
•Non-Retriggerable One-Shot
 85 to 300 Active Low Open-Drain +5.5 2 13 SC70/4
SOT/4
See All Switch Debouncer/Protectors (6)
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