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Maxim > 方案 > 数码相机(DIGICAM)

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 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 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 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 Number of Channels VIN Min (V) VIN Max (V) Overvoltage Trip Level (V) Undervoltage Lockout (V) GATE Voltage (V) GATE Turn-On Time (ms) GATE Turn Off Time (us) Features Package
MAX4970  1 2.2 28 5.9 2.45 7 13 5
•Auto Retry
•Internal Charge Pump
•Internal Current-Limit Switch
•Internal Disconnect Switch
•Soft Start
 UCSP/0
WLP/0
MAX4972  1 2.2 28 4.65 2.45 7 13 5
•Auto Retry
•Internal Charge Pump
•Internal Current-Limit Switch
•Internal Disconnect Switch
•Soft Start
 UCSP/0
WLP/0
See All Overvoltage Protection Controllers (39)

Key Specifications:   Pushbutton Devices
Part Number Number of Monitored Voltages Manual Reset Feature MR1 Setup Time Reset Threshold Range (V) Active-Low Reset Output Min. Reset Timeout Range Reset Thresh. Acc. (% @+25°C) Max. ICC (µA) Package
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 SC-70/3
SC-70/4
SOT-143/4
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 SC-70/3
SC-70/4
SOT-143/4
MAX6390  1 Single Soft/Hard Reset Output 1µs 1.2 to 1.79
1.8 to 2.49
2.5 to 3.29
3.3 to 4.99 		Open Drain >1s 1.5 13 MicroDFN/6
SC-70/3
SC-70/4
See All Pushbutton Devices (17)

Key Specifications:   Sequencers/Trackers
Part Number Option Interface Number of Input Channels Maximum Operating Voltage Range (V) Features Package Operating Temp. Range (°C)
MAX6741  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Reset Output
 SC-70/5 -40 to +85
0 to +70
MAX6744  Sequence Factory Fixed
R/C Adjustable 		2 <6
•Reset Output
 SC-70/5 -40 to +85
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 Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (µA)
MAX6854  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1
MAX6855  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1
MAX6856  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -  Manual Reset 2.5 1
MAX6858  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -   -  2.5 1
MAX6860  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		No Watchdog  -   -  2.5 1
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 1
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 1
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 1
MAX6864  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1
MAX6865  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1
MAX6866  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1
MAX6867  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1
MAX6868  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1
MAX6869  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms 		Input (WDI) >2s Manual Reset 2.5 1
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 		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 3 10
MAX6832  0 to 1.2
1.2 to 1.8 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13
MAX6833  0 to 1.2
1.2 to 1.8 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13
MAX6834  0 to 1.2
1.2 to 1.8 		Open Drain  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -   -  1.5 13
MAX6835  0 to 1.2
1.2 to 1.8 		Push-Pull  -  15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Manual Reset 2.5 13
MAX6836  0 to 1.2
1.2 to 1.8 		 -  Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog  -  Manual Reset 1.5 13
MAX6837  0 to 1.2
1.2 to 1.8 		Open Drain  -  15ms to 85ms
1ms to 15ms
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  -  15ms to 85ms
1ms to 15ms
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 15ms to 85ms
1ms to 15ms
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  -  15ms to 85ms
1ms to 15ms
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
MAX6381  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>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 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>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  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>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  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>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 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>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  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>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) (268)

Key Specifications:   Supervisors (2 Monitored Voltages)
Part Number Interface 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)
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 		No Watchdog 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 		No Watchdog  -  3 12
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 		No Watchdog 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 		No Watchdog 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 		No Watchdog Adjustable Reset Input
Manual Reset 		3 10
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  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog 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 15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog 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  -  15ms to 85ms
1ms to 15ms
300ms to 1s
85ms to 300ms
>1s 		No Watchdog Adjustable Reset Input 1.5 13
See All Supervisors (2 Monitored Voltages) (70)

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)
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  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 		No Watchdog Adjustable Reset Input 3 12
See All Supervisors (3 Monitored Voltages) (21)

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
MAX6467  1 Falling Edge
•Non-Retriggerable One-Shot
 85 to 300 Active Low Open-Drain +5.5 2 13 SC-70/3
SC-70/4
SOT-143/4
MAX6468  1 Falling Edge
•Non-Retriggerable One-Shot
 85 to 300 Active Low Push-Pull +5.5 2 13 SC-70/3
SC-70/4
SOT-143/4
See All Switch Debouncer/Protectors (6)


         


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