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Maxim > 方案 > MP3和便携式媒体播放器

低功耗、小尺寸µP监控电路

数据资料
显示 标题/型号 关键优势
QV  PDF 高精度、可调节过压保护器
MAX14527, MAX14528

可靠的输入电压保护，提供系统灵活性
QV  PDF 过压保护控制器，提供低RON内部FET
MAX4970, MAX4971, MAX4972

高达+28V的输入电压保护，无需外部nFET，采用小尺寸2mm x 1.5mm、12焊球WLP封装
QV  PDF 具有限流功能的过压保护器
MAX4978, MAX4979, MAX4980, MAX4981

高精度限流电路，高达+28V的输入电压保护，采用小尺寸2mm x 3mm、TDFN封装
QV  PDF 纳安级功耗的微处理器监控电路，带有手动复位及看门狗定时器
MAX6854, MAX6855, MAX6856, MAX6858, MAX6860, MAX6861, MAX6862, MAX6863, MAX6864, MAX6865, MAX6866, MAX6867, MAX6868, MAX6869

纳安级功耗的µP监控电路，带有手动复位和看门狗定时器，非常适合便携式产品
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 低功耗、双/三电压、SC70封装的微处理器监控电路
MAX6736, MAX6737, MAX6738, MAX6739, MAX6740, MAX6741, MAX6742, MAX6743, MAX6744, MAX6745

低功耗、双/三电压µP监控电路，SC70封装，适用于便携式设备
QV  PDF 超低电压、SC70封装电压检测器及微处理器复位电路
MAX6832, MAX6833, MAX6834, MAX6835, MAX6836, MAX6837, MAX6838, MAX6839, MAX6840
QV  PDF 电压检测器，4焊球(2 x 2)芯片级封装
MAX6406, MAX6407, MAX6408, MAX6409, MAX6410, MAX6411

低功耗电压检测器，采用4焊球晶片级封装
QV  PDF 微处理器监控电路，4焊球(2 x 2)芯片级封装
MAX6400, MAX6401, MAX6402, MAX6403, MAX6404, MAX6405

低功耗微处理器监控电路，采用4焊球晶片级封装
QV  PDF SC70/µDFN封装、单/双路、低电压、低功耗、微处理器复位电路
MAX6381, MAX6382, MAX6383, MAX6384, MAX6385, MAX6386, MAX6387, MAX6388, MAX6389, MAX6390
QV  PDF 3引脚、超低功耗、SC70/SOT23封装电压检测器
MAX6375, MAX6376, MAX6377, MAX6378, MAX6379, MAX6380

业内尺寸最小、功耗最低的电压检测器
QV  PDF 3引脚、SC70/SOT封装、超低功耗的微处理器复位电路
MAX6326, MAX6327, MAX6328, MAX6346, MAX6347, MAX6348

业内功耗最低的复位IC，仅消耗500nA电流，无需外部元件



Key Specifications:  Overvoltage Protection Controllers
Part Number Channels VIN
(V)		 VIN
(V)		 Over Voltage Trip Level
(V)		 Under Voltage Lockout
(V)		 VGATE
(V)		 tGATE (On)
(ms)		 tGATE (Off)
(µs)		 Features Package/Pins
min max
MAX14527  1 2.2 28 5.75 - 5.75 0.7 1.3 Internal Charge Pump
TDFN-EP/8
MAX14528  2.2 6.76 -
5.75
6.76
 0.7 1.3 Internal Charge Pump
TDFN-EP/8
MAX4970  2.2 5.9 2.45 7 13 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
UCSP/12
WLP/12
MAX4972  2.2 4.65 2.45 7 13 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
UCSP/12
WLP/12
MAX4978  2.3 5.7 4.2 - 1.5 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
TDFN-EP/8
MAX4980  2.3 5.7 4.2 - 1.5 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
Voltage Limiter Mode
TDFN-EP/8
MAX4981  2.3 5.7 4.2 - 1.5 5
Auto Retry
Internal Charge Pump
Internal Current-Limit Switch
Internal Disconnect Switch
Soft Start
Voltage Limiter Mode
TDFN-EP/8
See All Overvoltage Protection Controllers (47)

Key Specifications:  Pushbutton Devices
Part Number Monitored Voltages Manual Reset Feature MR1 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
 Push-Pull
85ms to 300ms
>1s
 1.5 13
SC70/4
SOT/4
MAX6467  One-Shot Open Drain
85ms to 300ms
>1s
SC70/4
SOT/4
MAX6390  Single Soft/Hard Reset Output Open Drain >1s
µDFN/6
SC70/4
See All Pushbutton Devices (17)

Key Specifications:  Power-Supply Sequencers and Voltage Trackers
Part Number Option Interface Input Chan. VIN
(V)		 Features RoHS Available Oper. Temp.
(°C)		 Package/Pins Smallest Available Pckg.
(mm2)
max max w/pins
MAX6741  Sequence
Factory Fixed
R/C Adjustable
 2 <6 Reset Output Yes
-40 to +85
0 to +70
SC70/5
 5.3
MAX6744 
SC70/5
See All Power-Supply Sequencers and Voltage Trackers (35)

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number Reset Thresh.
(V)		 Reset Out Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low Active High min @ +25°C max
MAX6854 
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
 No Watchdog - Manual Reset 2.5 0.17
MAX6855 
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
 No Watchdog - Manual Reset 2.5 0.17
MAX6856 
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
 No Watchdog - Manual Reset 2.5 0.17
MAX6858 
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
 No Watchdog - - 2.5 0.17
MAX6860 
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
 No Watchdog - - 2.5 0.17
MAX6861 
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
85ms to 300ms
 No Watchdog - Manual Reset 2.5 0.17
MAX6862 
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
85ms to 300ms
 No Watchdog - Manual Reset 2.5 0.17
MAX6863 
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
85ms to 300ms
 No Watchdog - Manual Reset 2.5 0.17
MAX6864 
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
 Input (WDI) >2s Manual Reset 2.5 0.17
MAX6865 
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
 Input (WDI) >2s Manual Reset 2.5 0.17
MAX6866 
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
 Input (WDI) >2s Manual Reset 2.5 0.17
MAX6867 
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
 Input (WDI) >2s Manual Reset 2.5 0.17
MAX6868 
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
 Input (WDI) >2s Manual Reset 2.5 0.17
MAX6869 
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
 Input (WDI) >2s Manual Reset 2.5 0.17
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/Low Battery Detect
 3 10
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/Low Battery Detect 3 10
MAX6832 
0 to 1.2
1.2 to 1.8
 Push-Pull -
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 No Watchdog - - 1.5 13
MAX6833 
0 to 1.2
1.2 to 1.8
 - Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 No Watchdog - - 1.5 13
MAX6834 
0 to 1.2
1.2 to 1.8
 Open Drain -
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 No Watchdog - - 1.5 13
MAX6835 
0 to 1.2
1.2 to 1.8
 Push-Pull -
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 No Watchdog - Manual Reset 2.5 13
MAX6836 
0 to 1.2
1.2 to 1.8
 - Push-Pull
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 No Watchdog - Manual Reset 1.5 13
MAX6837 
0 to 1.2
1.2 to 1.8
 Open Drain -
1ms to 15ms
15ms to 85ms
85ms to 300ms
<1ms
>1s
 No Watchdog - Manual Reset 1.5 13
MAX6838 
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
<1ms
>1s
 No Watchdog - Adjustable Reset Input 1.5 13
MAX6839 
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
<1ms
>1s
 No Watchdog - Adjustable Reset Input 2.5 13
MAX6840 
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
<1ms
>1s
 No Watchdog - Adjustable Reset Input 2.5 13
MAX6400 
1.8 to 2.5
2.5 to 3.3
 Push-Pull - 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6401 
1.8 to 2.5
2.5 to 3.3
 - Push-Pull 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6402 
1.8 to 2.5
2.5 to 3.3
 Open Drain - 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6403  3.3 to 5.5 Push-Pull - 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6404  3.3 to 5.5 - Push-Pull 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6405  3.3 to 5.5 Open Drain - 85ms to 300ms No Watchdog - Manual Reset - 1
MAX6406 
1.8 to 2.5
2.5 to 3.3
 Push-Pull - <1ms No Watchdog - Manual Reset 2.5 0.5
MAX6407 
1.8 to 2.5
2.5 to 3.3
 - Push-Pull <1ms No Watchdog - Manual Reset 2.5 0.5
MAX6408 
1.8 to 2.5
2.5 to 3.3
 Open Drain - <1ms No Watchdog - Manual Reset 2.5 0.5
MAX6409 
2.5 to 3.3
3.3 to 5.5
 Push-Pull - <1ms No Watchdog - Manual Reset 2.5 1
MAX6410 
2.5 to 3.3
3.3 to 5.5
 - Push-Pull <1ms No Watchdog - Manual Reset 2.5 1
MAX6411 
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms No Watchdog - Manual Reset 2.5 1
MAX6381 
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
>1s
 No Watchdog - - 1.5 13
MAX6382 
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
>1s
 No Watchdog - - 1.5 13
MAX6383 
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
>1s
 No Watchdog - - 1.5 13
MAX6384 
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
>1s
 No Watchdog - Manual Reset 1.5 13
MAX6385 
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
>1s
 No Watchdog - Manual Reset 1.5 13
MAX6386 
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
>1s
 No Watchdog - Manual Reset 1.5 13
MAX6375 
1.8 to 2.5
2.5 to 3.3
Open Drain
Push-Pull
 Push-Pull <1ms No Watchdog - - 2.5 0.5
MAX6376 
1.8 to 2.5
2.5 to 3.3
Open Drain
Push-Pull
 Push-Pull <1ms No Watchdog - - 2.5 0.5
MAX6377 
1.8 to 2.5
2.5 to 3.3
 Open Drain - <1ms No Watchdog - - 2.5 0.5
MAX6378 
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms No Watchdog - - 2.5 0.5
MAX6379 
2.5 to 3.3
3.3 to 5.5
 Open Drain Push-Pull <1ms No Watchdog - - 2.5 0.5
MAX6380 
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms No Watchdog - - 2.5 0.5
MAX6326 
1.8 to 2.5
2.5 to 3.3
 Push-Pull - 85ms to 300ms No Watchdog - - 1.5 1
MAX6327 
1.8 to 2.5
2.5 to 3.3
 - Push-Pull 85ms to 300ms No Watchdog - - 1.5 1
MAX6328 
1.8 to 2.5
2.5 to 3.3
 Open Drain - 85ms to 300ms No Watchdog - - 1.5 1
MAX6346  3.3 to 5.5 Push-Pull - 85ms to 300ms No Watchdog - - 1.5 1.75
MAX6347  3.3 to 5.5 - Push-Pull 85ms to 300ms No Watchdog - - 1.5 1.75
MAX6348  3.3 to 5.5 Open Drain - 85ms to 300ms No Watchdog - - 1.5 1.75
See All Supervisors (1 Monitored Voltage) (274)

Key Specifications:  Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out Reset Out tRESET Watchdog Feature Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low Active High min @ +25°C max
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 3 12
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
 Manual Reset 3 12
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
Adjustable Reset Input
Manual Reset
 3 10
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
Adjustable Reset Input
Manual Reset
 3 10
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
 Manual Reset 3 12
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
 - 3 12
MAX6387 
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 -
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
Adjustable Reset Input
Manual Reset
 1.5 13
MAX6388 
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
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 Adjustable Reset Input 1.5 13
MAX6389 
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 -
1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
>1s
 Adjustable Reset Input 1.5 13
See All Supervisors (2 Monitored Voltages) (84)

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
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
 3 12
MAX6743  Push-Pull Adjustable Reset Input
See All Supervisors (3 Monitored Voltages) (32)

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
SC70/4
SOT/4
MAX6467  Open-Drain
SC70/4
SOT/4
See All Switch Debouncer/Protectors (6)



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