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Maxim > Solutions > Digital Cameras (DIGICAMs)
Battery Monitors/Voltage Detectors
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
1µA, µDFN/SC70, Lithium-Ion Battery, Precision Current-Sense Amplifier
MAX9610
| Precision Current-Sense Amp with VOS < 500µV, Gain Error < 0.5%, Ideal for a Li+ Battery |
| QV PDF |
Evaluation Kit for the MAX9938
MAX9938EVKIT
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| QV PDF |
1µA, 4-Bump UCSP/SOT23, Precision Current-Sense Amplifier
MAX9938
| Industry's Smallest Current-Sense Amplifier: 1mm x 1mm with ICC < 1µA, VOS < 500µV, Gain Error < 0.5% |
| QV PDF |
Low-Power, 1%-Accurate Battery Monitor in µDFN and SC70 Packages
MAX6775, MAX6776, MAX6777, MAX6778, MAX6779, MAX6780, MAX6781
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| QV PDF |
Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits
MAX6461, MAX6462, MAX6463, MAX6464, MAX6465, MAX6466
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| QV PDF |
High-Voltage, Low-Current Voltage Monitors in SOT Packages
MAX6457, MAX6458, MAX6459, MAX6460
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| QV PDF |
Low-Power, Single-/Dual-Level Battery Monitors with Hysteresis and Integrated µP Reset
MAX6439, MAX6440, MAX6441, MAX6442
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| QV PDF |
3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors
MAX6375, MAX6376, MAX6377, MAX6378, MAX6379, MAX6380
| Industry's Smallest, Lowest-Power Voltage Detectors |
| QV PDF |
Low-Cost, UCSP/SOT23, Micropower, High-Side Current-Sense Amplifier with Voltage Output
MAX4372, MAX4372F, MAX4372H, MAX4372T
| Tiny 1mm x 1.5mm µCSP with low quiescent current |
| Key Specifications:
Current Sense Amplifiers |
| Part Number |
CMVR (min) (V) |
CMVR (max) (V) |
VCC (min) (V) |
VCC (max) (V) |
ICC (typ) (µA) |
Bidirectional Current-Sense |
VSENSE_FS (recommended) (mV) |
VOS (max) @25°C (µV) |
AV (Gain) |
Gain Accuracy @25°C (max) (%) |
-3dB BW (kHz) |
Comparators |
Package |
Operating Temp. Range (°C) |
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MAX9938
|
1.6
|
28
|
-
|
-
|
1
|
No
|
100
25
50
|
500
|
100 V/V
25 V/V
50 V/V
|
0.5
|
125
30
60
|
0
|
MicroDFN/6
SOT-23/5
UCSP/4
|
-40 to +85
|
|
MAX4372
|
0
|
28
|
2.7
|
28
|
30
|
No
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100
150
|
1,300
|
100 V/V
20 V/V
50 V/V
|
2.5
|
110
200
275
|
0
|
SOIC/8
SOT-23/5
UCSP/5
|
-40 to +85
|
| See All Current Sense Amplifiers (22) |
| 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) |
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MAX6775
|
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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Push-Pull
|
-
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<1ms
|
No Watchdog
|
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
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Open Drain
|
-
|
<1ms
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No Watchdog
|
Low Battery Detect
|
1
|
7
|
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MAX6777
|
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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Push-Pull
|
-
|
<1ms
|
No Watchdog
|
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
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Open Drain
|
-
|
<1ms
|
No Watchdog
|
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
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No Watchdog
|
-
|
1
|
3.5
|
|
MAX6462
|
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
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-
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Push-Pull
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<1ms
|
No Watchdog
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-
|
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
|
No Watchdog
|
-
|
1
|
3.5
|
|
MAX6464
|
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
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Push-Pull
|
-
|
85ms to 300ms
|
No Watchdog
|
-
|
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
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-
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Push-Pull
|
85ms to 300ms
|
No Watchdog
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-
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2.5
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3.5
|
|
MAX6466
|
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5
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Open Drain
|
-
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85ms to 300ms
|
No Watchdog
|
-
|
2.5
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3.5
|
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MAX6457
|
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
|
-
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85ms to 300ms
<1ms
|
No Watchdog
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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
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Open Drain
|
-
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85ms to 300ms
<1ms
|
No Watchdog
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High Voltage (>6V)
Latched Output
Overvoltage/Window Monitor
|
-
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12.5
|
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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
|
No Watchdog
|
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
|
No Watchdog
|
Low Battery Detect
Manual Reset
|
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
|
No Watchdog
|
Low Battery Detect
Manual Reset
|
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
|
No Watchdog
|
Low Battery Detect
Manual Reset
|
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
|
No Watchdog
|
Low Battery Detect
Manual Reset
|
2.5
|
2.5
|
|
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
|
| See All Supervisors (1 Monitored Voltage) (268) |
| Key Specifications:
Supervisors (2 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) |
|
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
|
|
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
|
|
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
|
|
MAX6459
|
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
|
Adjustable Reset Input
High Voltage (>6V)
Overvoltage/Window Monitor
|
-
|
12.5
|
| See All Supervisors (2 Monitored Voltages) (70) |
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