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Maxim > 方案 > 计算机：台式机、工作站和服务器

单路、低电压监控电路

数据资料
显示 标题/型号 关键优势
QV    带有RTC的8k x 8安全存储器，可设置防篡改检测等级
DS3665

业内首款8kB安全存储器，具有防篡改响应层
QV    带有RTC的1k x 8安全存储器，可设置防篡改检测等级
DS3644

业内首款安全存储器，具有防篡改响应层
QV  PDF 低功耗、精度达1%的电池监视器，提供µDFN和SC70封装
MAX6775, MAX6776, MAX6777, MAX6778, MAX6779, MAX6780, MAX6781
QV  PDF 超低电压微处理器复位电路及电压检测器
MAX6841, MAX6842, MAX6843, MAX6844, MAX6845

超低电压SC70 µP监控器，电压低至0.9V，无需外部元件
QV  PDF 超低功耗电压检测器及微处理器监控电路
MAX6461, MAX6462, MAX6463, MAX6464, MAX6465, MAX6466
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 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



Key Specifications:   Battery Protectors, Selectors and Monitors
Part Number Package Operating Temp. Range (°C)
MAX6775  MicroDFN/6
SC-70/5 		-40 to +85
See All Battery Protectors, Selectors and Monitors (22)

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) Industry Qualified Package Operating Temp. Range (°C)
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 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
See All Pushbutton Devices (17)

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) Industry Qualified Package Operating Temp. Range (°C)
MAX6775  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 No Watchdog Low Battery Detect 1 7  -  MicroDFN/6
SC-70/5 		-40 to +85
MAX6776  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 No Watchdog Low Battery Detect 1 7  -  MicroDFN/6
SC-70/5 		-40 to +85
MAX6777  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 No Watchdog Low Battery Detect 1 7  -  MicroDFN/6
SC-70/5 		-40 to +85
MAX6778  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 No Watchdog Low Battery Detect 1 7  -  MicroDFN/6
SC-70/5 		-40 to +85
MAX6842  0 to 1.2
1.2 to 1.8 		Open Drain Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 2.5 20  -  SOT-23/5 -40 to +85
0 to +70
MAX6843  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
Manual Reset 		2.5 20  -  SOT-23/5 -40 to +85
0 to +70
MAX6844  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
Manual Reset 		2.5 20  -  SOT-23/5 -40 to +85
0 to +70
MAX6845  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
Manual Reset 		2.5 20  -  SOT-23/5 -40 to +85
0 to +70
MAX6461  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  <1ms No Watchdog  -  1 3.5 Automotive - General SC-70/3
SOT-23/3
SOT-23/5 		-40 to +85
0 to +70
MAX6462  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		 -  Push-Pull <1ms No Watchdog  -  1 3.5 Automotive - General SC-70/3
SOT-23/3
SOT-23/5 		-40 to +85
0 to +70
MAX6463  1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog  -  1 3.5 Automotive - General SC-70/3
SOT-23/3
SOT-23/5 		-40 to +85
0 to +70
MAX6464  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  -  2.5 3.5 Automotive - General SC-70/3
SOT-23/3
SOT-23/5 		-40 to +85
0 to +70
MAX6465  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  -  2.5 3.5 Automotive - General SC-70/3
SOT-23/3
SOT-23/5 		-40 to +85
0 to +70
MAX6466  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  -  2.5 3.5 Automotive - General SC-70/3
SOT-23/3
SOT-23/5 		-40 to +85
0 to +70
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  -  SC-70/3 -40 to +85
0 to +70
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  -  SC-70/3 -40 to +85
0 to +70
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  -  SC-70/3 -40 to +85
0 to +70
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  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
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  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
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  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
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  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
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  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
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  -  SC-70/3
SC-70/4 		-40 to +85
0 to +70
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 Automotive - General MicroDFN/6
SC-70/3 		-40 to +125
-40 to +85
0 to +70
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 Automotive - General MicroDFN/6
SC-70/3 		-40 to +125
-40 to +85
0 to +70
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 Automotive - General MicroDFN/6
SC-70/3 		-40 to +125
-40 to +85
0 to +70
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 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
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 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
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 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
MAX6841  0 to 1.2
1.2 to 1.8 		Push-Pull Push-Pull 15ms to 85ms
1ms to 15ms
85ms to 300ms
<1ms
>1s 		No Watchdog Manual Reset 2.5 20  -  SOT-23/5 -40 to +85
0 to +70
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) Industry Qualified Package Operating Temp. Range (°C)
MAX6779  R/C Adjustable 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 No Watchdog Low Battery Detect 1 7  -  MicroDFN/6 -40 to +85
MAX6780  R/C Adjustable 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 No Watchdog Low Battery Detect 1 7  -  MicroDFN/6 -40 to +85
MAX6781  R/C Adjustable 1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5 		Open Drain
Push-Pull 		 -  <1ms No Watchdog Low Battery Detect 1 7  -  MicroDFN/6 -40 to +85
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 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
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 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
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 Automotive - General MicroDFN/6
SC-70/3
SC-70/4 		-40 to +125
-40 to +85
0 to +70
See All Supervisors (2 Monitored Voltages) (70)


         


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