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DS2782E+T&R
+Lista de MateriaisIC BATT MON LI-ION 1CELL 8TSSOP
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #DS2782E+T&R
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Pacote TSSOP-8
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Em Estoque4839
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Battery Monitor |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 |
| Interface | I²C |
| OperatingTemperature | -20°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP (0.173, 4.40mm Width) |
Visão Geral
Description
Key features include:
1. Voltage Measurement: It provides precise voltage readings to track the battery's state.
2. Current Measurement: The device includes a current-sense resistor, enabling accurate current flow measurement, which is crucial for determining the charge and discharge rates.
3. Temperature Monitoring: An internal temperature sensor helps manage battery safety and performance.
4. Capacity Estimation: The IC estimates the battery's remaining capacity, helping in efficient power management.
5. Protection Features: Overvoltage, undervoltage, and overcurrent protections ensure battery safety.
The "E" suffix indicates an extended temperature range, while "+T&R" refers to the packaging being tape and reel, suitable for automated manufacturing processes. This IC is commonly used in portable electronics to ensure reliable and efficient battery usage.
Equivalent
1. MAX17043/44 - Offers similar functionality with a different algorithm for state-of-charge reporting.
2. Texas Instruments bq27421 - Also provides battery gauging for single-cell lithium-ion batteries.
3. STMicroelectronics STC3100 - A battery monitoring IC with similar features.
It's important to check specific electrical and communication requirements to ensure compatibility.
Features
1. Accurate Fuel Gauging: Provides precise battery state-of-charge (SOC) information using a Coulomb counter and voltage measurement.
2. Current Measurement: Incorporates a high-precision current-sense amplifier to monitor charge and discharge currents.
3. Voltage and Temperature Monitoring: Integrates a high-accuracy voltage measurement and internal temperature sensor to ensure optimal battery management.
4. Protection Features: Includes configurable protection settings for overcurrent, overvoltage, undervoltage, and overtemperature conditions.
5. EEPROM Memory: Contains a 32-byte EEPROM for storing unique data such as battery characteristics or system parameters.
6. Communication Interface: Utilizes a 1-Wire interface for simple communication with a host processor, ideal for portable devices.
7. Low Power Consumption: Designed for minimal power usage to extend battery life in portable applications.
These features make the DS2782E+T&R suitable for applications in portable electronics, power tools, and other battery-powered devices.
Pinout
Key functions include:
- Measuring battery voltage, current, and temperature.
- Calculating state of charge (SOC) and remaining capacity.
- Providing protection features like overcurrent and short-circuit protection.
- Communicating with a host device via a 1-Wire or I2C interface.
The DS2782 helps optimize battery life and performance by allowing precise monitoring and control of battery parameters, making it suitable for use in a wide array of portable electronic applications.
Manufacturer
Application
1. Consumer Electronics: Devices such as smartphones, tablets, and portable media players, where battery life monitoring is crucial.
2. Medical Devices: Equipment like portable medical instruments that require reliable battery performance.
3. Industrial Equipment: Tools and machinery that depend on precise battery management to optimize operational efficiency.
4. Electric Vehicles: For monitoring battery state of charge and ensuring optimal performance.
This chip helps in extending battery life, providing accurate charge information, and protecting against overcharge or deep discharge situations.