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Maxim > Solutions > Digital Cameras (DIGICAMs)

Battery Monitors/Voltage Detectors

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the MAX9938
MAX9938EVKIT
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
QV  PDF Ultra-Low-Power Voltage Detectors and µP Supervisory Circuits
MAX6461, MAX6462, MAX6463, MAX6464, MAX6465, MAX6466
QV  PDF High-Voltage, Low-Current Voltage Monitors in SOT Packages
MAX6457, MAX6458, MAX6459, MAX6460
QV  PDF Low-Power, Single-/Dual-Level Battery Monitors with Hysteresis and Integrated µP Reset
MAX6439, MAX6440, MAX6441, MAX6442
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:   Battery Protectors, Selectors and Monitors
Part Number Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX6775  MicroDFN/6
SC-70/5 		2 -40 to +85
See All Battery Protectors, Selectors and Monitors (21)

Key Specifications:   Current Sense Amplifiers
Part Number 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 Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX9938  NEW! 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 		1 -40 to +85
MAX4372  28 2.7 28 30 No 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 		2 -40 to +85
See All Current Sense Amplifiers (19)

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 Smallest Available Package (max w/pins) (mm2) 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 		2 -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 		2 -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 		2 -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 		2 -40 to +85
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 		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 		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 		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 		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 		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 		5 -40 to +85
0 to +70
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 		No Watchdog High Voltage (>6V)
Latched Output 		 -  12.5 Automotive - General SOT-23/5 9 -40 to +125
-40 to +85
0 to +70
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 		No Watchdog High Voltage (>6V)
Latched Output
Overvoltage/Window Monitor 		 -  12.5 Automotive - General SOT-23/5 9 -40 to +125
-40 to +85
0 to +70
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 Automotive - General SOT-23/6 9 -40 to +125
-40 to +85
0 to +70
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  -  SOT-23/6 9 -40 to +85
0 to +70
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  -  SOT-23/6 9 -40 to +85
0 to +70
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  -  SOT-23/8 9 -40 to +85
0 to +70
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  -  SOT-23/8 9 -40 to +85
0 to +70
MAX6375  1.8 to 2.5
2.5 to 3.3 		Open Drain
Push-Pull 		Push-Pull <1ms No Watchdog  -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6376  1.8 to 2.5
2.5 to 3.3 		Open Drain
Push-Pull 		Push-Pull <1ms No Watchdog  -  2.5 0.5  -  SC-70/3
SOT-23/3 		5  - 
MAX6377  1.8 to 2.5
2.5 to 3.3 		Open Drain  -  <1ms No Watchdog  -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6378  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog  -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6379  2.5 to 3.3
3.3 to 5.5 		Open Drain Push-Pull <1ms No Watchdog  -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
MAX6380  2.5 to 3.3
3.3 to 5.5 		Open Drain  -  <1ms No Watchdog  -  2.5 0.5  -  SC-70/3
SOT-23/3 		5 -40 to +85
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) Industry Qualified Package Smallest Available Package (max w/pins) (mm2) 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 2 -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 2 -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 2 -40 to +85
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 Automotive - General SOT-23/6 9 -40 to +125
-40 to +85
0 to +70
See All Supervisors (2 Monitored Voltages) (70)


         


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