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Maxim > 方案 > 数码相机(DIGICAM)

电池监视器/电压检测器

数据资料
显示 标题/型号 关键优势
QV  PDF 1µA、4焊球UCSP/SOT23封装、高精度电流检测放大器
MAX9634

业内尺寸最小的电流检测放大器：1mm x 1mm，ICC < 1µA，VOS < 250µV
QV  PDF 1µA、µDFN/SC70封装、用于锂离子电池的精密检流放大器
MAX9610

高精度电流检测放大器，VOS < 500µV，增益误差< 0.5%，可理想用于Li+电池
QV  PDF 1µA、4焊球UCSP/SOT23封装、高精度电流检测放大器
MAX9938

尺寸最小的电流检测放大器：1mm x 1mm，ICC < 1µA、VOS < 500µV、增益误差< 0.5%
QV  PDF 低功耗、精度达1%的电池监测器，提供µDFN和SC70封装
MAX6775, MAX6776, MAX6777, MAX6778, MAX6779, MAX6780, MAX6781
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 高压、低电流电压监测器，SOT封装
MAX6457, MAX6458, MAX6459, MAX6460
QV  PDF 低功耗、单/双电位电平监测器，带有滞回和集成微处理器复位电路
MAX6439, MAX6440, MAX6441, MAX6442
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



Key Specifications:  Battery Protectors, Selectors and Monitors
Part Number Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
max w/pins
MAX6775 
µDFN/6
SC70/5
 1.6 -40 to +85
See All Battery Protectors, Selectors and Monitors (25)

Key Specifications:  Current Sense Amplifiers
Part Number CMVR
(V)		 CMVR
(V)		 ICC
(µA)		 Bi-Dir. Curr. Sense VSENSE_FS
(mV)		 VOS @25°C
(µV)		 Gain Gain Accuracy @25°C
(%)		 BW
(kHz)		 Comp-
arators		 Oper. Temp.
(°C)		 Package/Pins
min max typ recomm. max max @ -3dB
MAX9634 NEW! 1.6 28 1 No
25
50
100
 250
25 V/V
50 V/V
100 V/V
200 V/V
 0.5
15
30
60
125
 0 -40 to +85
UCSP (R)/4
MAX9610  5.5 0.6 - 500
25 V/V
50 V/V
100 V/V
 150
µDFN/6
SC70/5
MAX9938  28 1
25
50
100
 500
25 V/V
50 V/V
100 V/V
200 V/V
30
60
125
µDFN/6
SOT/5
UCSP/4
See All Current Sense Amplifiers (26)

Key Specifications:  Supervisors (1 Monitored Voltage)
Part Number 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
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 Power Fail Comparator/Low Battery Detect 1 7
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 Power Fail Comparator/Low Battery Detect 1 7
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 Power Fail Comparator/Low Battery Detect 1 7
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 Power Fail Comparator/Low Battery Detect 1 7
MAX6461 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Push-Pull - <1ms - 1 3.5
MAX6462 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 - Push-Pull <1ms - 1 3.5
MAX6463 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms - 1 3.5
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 - 2.5 3.5
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 - 2.5 3.5
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 - 2.5 3.5
MAX6457 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Open Drain -
85ms to 300ms
<1ms
High Voltage (>6V)
Latched Output
 - 12.5
MAX6458 
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
>=5.5
 Open Drain -
85ms to 300ms
<1ms
High Voltage (>6V)
Latched Output
Overvoltage/Window Monitor
 - 12.5
MAX6460 
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
High Voltage (>6V)
Overvoltage/Window Monitor
 - 12.5
MAX6439 
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
Power Fail Comparator/Low Battery Detect
 2.5 2.5
MAX6440 
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
Power Fail Comparator/Low Battery Detect
 2.5 2.5
MAX6441 
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
Power Fail Comparator/Low Battery Detect
 2.5 2.5
MAX6442 
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
Power Fail Comparator/Low Battery Detect
 2.5 2.5
MAX6375 
1.8 to 2.5
2.5 to 3.3
Open Drain
Push-Pull
 Push-Pull <1ms - 2.5 0.5
MAX6376 
1.8 to 2.5
2.5 to 3.3
Open Drain
Push-Pull
 Push-Pull <1ms - 2.5 0.5
MAX6377 
1.8 to 2.5
2.5 to 3.3
 Open Drain - <1ms - 2.5 0.5
MAX6378 
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms - 2.5 0.5
MAX6379 
2.5 to 3.3
3.3 to 5.5
 Open Drain Push-Pull <1ms - 2.5 0.5
MAX6380 
2.5 to 3.3
3.3 to 5.5
 Open Drain - <1ms - 2.5 0.5
See All Supervisors (1 Monitored Voltage) (274)

Key Specifications:  Supervisors (2 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
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 Power Fail Comparator/Low Battery Detect 1 7
MAX6780  Open Drain Power Fail Comparator/Low Battery Detect 1 7
MAX6781 
Open Drain
Push-Pull
 Power Fail Comparator/Low Battery Detect 1 7
MAX6459  Open Drain
Adjustable Reset Input
High Voltage (>6V)
Overvoltage/Window Monitor
 - 12.5
See All Supervisors (2 Monitored Voltages) (84)



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