Maxim > 方案 > 机顶盒
监控电路
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| 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
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| 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
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| 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 Thresh.
(V) |
Reset Out |
ICC
(µA) |
Features |
RoHS Available |
Oper. Temp.
(°C) |
Package/Pins |
Smallest Available Pckg.
(mm2) |
| Active Low |
max |
max w/pins |
| MAX16023 |
| 1.2 to 1.8 | | 1.8 to 2.5 | | 2.5 to 3.3 | | 3.3 to 5.5 |
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|
8 |
| Manual Reset | | Power Fail Comparator | | Regulated Output |
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Yes |
-40 to +85 |
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9.6 |
| MAX16024 |
| Battery On | | Chip Enable Gate | | Manual Reset | | Regulated Output |
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See All Battery Backup Circuits (86)
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| Key Specifications: Pushbutton Devices |
| Part Number |
Monitored Voltages |
Manual Reset Feature |
MR1 Setup Time |
MR2 Setup Time |
Reset Thresh.
(V) |
Reset Out |
tRESET |
Reset Thresh. Accur.
(%) |
ICC
(µA) |
Package/Pins |
| Active Low |
min |
@ +25°C |
max |
| 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 |
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Push-Pull |
|
1.5 |
13 |
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| MAX6467 |
1 |
One-Shot |
1µs |
- |
Open Drain |
|
1.5 |
13 |
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| MAX6453 |
2 |
Independent Soft and Hard Reset Outputs |
1µs |
- |
Push-Pull |
85ms to 300ms |
2.5 |
16 |
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| MAX6454 |
2 |
Independent Soft and Hard Reset Outputs |
1µs |
- |
Open Drain |
85ms to 300ms |
2.5 |
16 |
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| MAX6455 |
2 |
Independent Soft and Hard Reset Outputs |
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- |
Push-Pull |
85ms to 300ms |
2.5 |
16 |
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| MAX6456 |
2 |
Independent Soft and Hard Reset Outputs |
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- |
Open Drain |
85ms to 300ms |
2.5 |
16 |
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| MAX6443 |
1 |
Extended Setup Period |
6.72s |
- |
Push-Pull |
85ms to 300ms |
2.5 |
16 |
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| MAX6444 |
1 |
Extended Setup Period |
6.72s |
- |
Open Drain |
85ms to 300ms |
2.5 |
16 |
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| MAX6445 |
1 |
Extended Setup Period |
6.72s |
6.72s |
Push-Pull |
85ms to 300ms |
2.5 |
16 |
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| MAX6446 |
1 |
Extended Setup Period |
6.72s |
6.72s |
Open Drain |
85ms to 300ms |
2.5 |
16 |
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| MAX6447 |
1 |
Extended Setup Period |
6.72s |
1µs |
Push-Pull |
85ms to 300ms |
2.5 |
16 |
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| MAX6448 |
1 |
Extended Setup Period |
6.72s |
1µs |
Open Drain |
85ms to 300ms |
2.5 |
16 |
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| MAX6449 |
2 |
Extended Setup Period |
6.72s |
6.72s |
Push-Pull |
85ms to 300ms |
2.5 |
16 |
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| MAX6450 |
2 |
Extended Setup Period |
6.72s |
6.72s |
Open Drain |
85ms to 300ms |
2.5 |
16 |
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| MAX6451 |
2 |
Extended Setup Period |
6.72s |
1µs |
Push-Pull |
85ms to 300ms |
2.5 |
16 |
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| MAX6452 |
2 |
Extended Setup Period |
6.72s |
1µs |
Open Drain |
85ms to 300ms |
2.5 |
16 |
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See All Pushbutton Devices (17)
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| Key Specifications: 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 |
| MAX16052 |
Sequence |
R/C Adjustable |
1 |
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Yes |
Automotive - General |
| -40 to +85 | | -40 to +105 | | -40 to +125 | | 0 to +70 |
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|
9 |
| MAX16053 |
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See All Power-Supply Sequencers and Voltage Trackers (35)
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| Key Specifications: Supervisors (1 Monitored Voltage) |
| Part Number |
Reset Thresh.
(V) |
Reset Out |
tRESET |
Watchdog Feature |
Supervisor Features |
Reset Thresh. Accur.
(%) |
ICC
(µA) |
| Active High |
min |
@ +25°C |
max |
| 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 |
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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 |
Push-Pull |
60 |
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See All Supervisors (1 Monitored Voltage) (274)
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| Key Specifications: Supervisors (2 Monitored Voltages) |
| Part Number |
Interface |
Reset Thresh.
(V) |
Reset Out |
tRESET |
Watchdog Feature |
Watchdog Timeout |
Supervisor Features |
Reset Thresh. Accur.
(%) |
ICC
(µA) |
| Active Low |
min |
@ +25°C |
max |
| 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 |
Open Drain |
No Watchdog |
- |
| MAX6353 |
Push-Pull |
No Watchdog |
- |
| MAX6354 |
Push-Pull |
No Watchdog |
- |
| MAX6358 |
Open Drain |
| Extended Setup Period | | Input (WDI) |
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| MAX6359 |
Push-Pull |
| Extended Setup Period | | Input (WDI) |
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| MAX6360 |
Push-Pull |
| Extended Setup Period | | Input (WDI) |
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See All Supervisors (2 Monitored Voltages) (84)
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| Key Specifications: Supervisors (3 Monitored Voltages) |
| Part Number |
Interface |
Reset Thresh.
(V) |
Reset Out |
tRESET |
Watchdog Feature |
Supervisor Features |
Reset Thresh. Accur.
(%) |
ICC
(µA) |
| Active Low |
min |
@ +25°C |
max |
| MAX6355 |
| Factory Fixed | | R/C Adjustable |
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| 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 |
Push-Pull |
| MAX6357 |
Push-Pull |
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See All Supervisors (3 Monitored Voltages) (32)
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| Key Specifications: Switch Debouncer/Protectors |
| Part Number |
Switch Inputs |
Edge Triggered |
Functions |
Debounce Duration
(ms) |
Output Polarity |
Output Type |
Switch Inputs
(±V) |
ESD Protect.
(±kV) |
ICC
(µA) |
Package/Pins |
| max |
max |
| MAX6468 |
1 |
Falling Edge |
Non-Retriggerable One-Shot |
85 to 300 |
Active Low |
Push-Pull |
+5.5 |
2 |
13 |
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| MAX6467 |
Open-Drain |
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See All Switch Debouncer/Protectors (6)
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