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Maxim > Solutions > Computers: Notebook
High-Voltage Monitoring for Battery Stacks
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
Evaluation Kit for the MAX9922 and MAX9923
MAX9922EVKIT
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| QV PDF |
Evaluation Kit for the DS2775, DS2776, DS2777, and DS2778
DS2775K, DS2776K, DS2777K, DS2778K
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| QV |
Evaluation Kit for the MAX1788
MAX1788EVKIT
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| QV PDF |
2-Cell, Stand-Alone, Li+ Fuel-Gauge IC with Protector and Optional SHA-1 Authentication
DS2775, DS2776, DS2777, DS2778
| Industry's Smallest 2-Cell, Stand-Alone Fuel Gauge to Integrate an Li+ Protector and SHA-1 Authentication |
| QV PDF |
Evaluation Kit for the MAX9938
MAX9938EVKIT
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| QV PDF |
Standalone OCV-Based Fuel Gauge
DS2786B
| 2-Wire Standalone Fuel Gauge Requires No Learn Cycle to Provide Initial Capacity Estimate or Maintain Accuracy During Use; Now Optimized for Smartphones with Push-Mail Feature |
| 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 |
Advanced Smart Battery-Pack Controller
MAX1788
| Smallest, Lowest Power Consumption Battery-Pack Controller Integrates a User-Programmable Microcontroller Core, a Coulomb-Counting Fuel Gauge, a Multichannel Data-Acquisition Unit, and an SMBus v1.1-Compliant Master/Slave SMBus Interface |
| QV PDF |
High-Voltage, Low-Current Voltage Monitors in SOT Packages
MAX6457, MAX6458, MAX6459, MAX6460
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| Key Specifications:
Battery Protectors, Selectors and Monitors |
| Part Number |
Functions |
Battery Type |
Interface |
User Data Storage (bytes) |
Parameters Measured |
Battery Protection |
Supply Voltage (min) (V) |
Supply Voltage (max) (V) |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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DS2775
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1-2 Cell Li-Ion
2-4 Cell Li-Ion
2-6 Cell Li-Ion
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1-Wire
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16 EEPROM
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Current
Temperature
Time
Voltage
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Over Voltage
Over-Current
Over/Under Voltage
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4
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9.2
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TDFN/14
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16
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-20 to +70
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DS2776
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1-2 Cell Li-Ion
2-4 Cell Li-Ion
2-6 Cell Li-Ion
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1-Wire
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16 EEPROM
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Current
Temperature
Time
Voltage
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Over Voltage
Over-Current
Over/Under Voltage
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4
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9.2
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TDFN/14
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16
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-20 to +70
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DS2777
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1-2 Cell Li-Ion
2-4 Cell Li-Ion
2-6 Cell Li-Ion
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2-Wire
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16 EEPROM
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Current
Temperature
Time
Voltage
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Over Voltage
Over-Current
Over/Under Voltage
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4
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9.2
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TDFN/14
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16
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-20 to +70
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DS2778
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1-2 Cell Li-Ion
2-4 Cell Li-Ion
2-6 Cell Li-Ion
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2-Wire
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16 EEPROM
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Current
Temperature
Time
Voltage
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Over Voltage
Over-Current
Over/Under Voltage
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4
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9.2
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TDFN/14
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16
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-20 to +70
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DS2786B
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1 Cell Li-Ion
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2-Wire
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32 EEPROM
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Current
Temperature
Voltage
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-
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2.5
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4.5
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TDFN-EP/10
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10
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-40 to +85
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| See All Battery Protectors, Selectors and Monitors (26) |
| Key Specifications:
Current Sense Amplifiers |
| Part Number |
CMVR (min) (V) |
CMVR (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
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1.6
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28
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1
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No
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25
50
100
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500
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25 V/V
50 V/V
100 V/V
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0.5
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30
60
125
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0
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µDFN/6
SOT/5
UCSP/4
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-40 to +85
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| See All Current Sense Amplifiers (25) |
| 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 |
Max. ICC (µA) |
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MAX6457
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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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-
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85ms to 300ms
<1ms
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No Watchdog
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High Voltage (>6V)
Latched Output
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12.5
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MAX6458
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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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-
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85ms to 300ms
<1ms
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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
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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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-
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Open Drain
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<1ms
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No Watchdog
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High Voltage (>6V)
Overvoltage/Window Monitor
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12.5
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| See All Supervisors (1 Monitored Voltage) (270) |
| 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 |
Max. ICC (µA) |
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MAX6459
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R/C Adjustable
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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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<1ms
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No Watchdog
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Adjustable Reset Input
High Voltage (>6V)
Overvoltage/Window Monitor
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12.5
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| See All Supervisors (2 Monitored Voltages) (84) |
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