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DS2781E+T&R
+StücklisteIC BATT MON LI-ION 1-2CEL 8TSSOP
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HerstellerAnalog Devices Inc./Maxim Integrated
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Herstellerteil #DS2781E+T&R
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Paket TSSOP-8
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Auf Lager4956
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Battery Monitor |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 ~ 2 |
| Interface | 1-Wire |
| OperatingTemperature | -20°C ~ 70°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP (0.173, 4.40mm Width) |
Übersicht
Description
Key features of the DS2781E+T&R include:
1. Current Measurement: It measures current through a sense resistor, providing accurate coulomb counting to track charge and discharge activity.
2. Voltage and Temperature Monitoring: It includes internal voltage and temperature measurement capabilities, essential for precise SOC and battery health assessment.
3. EEPROM: Integrated EEPROM allows the storage of battery parameters and calibration data, ensuring customization and fine-tuning for specific battery packs.
4. I²C Interface: The device communicates via an I²C interface, facilitating easy integration with microcontrollers for real-time data access and configuration.
5. Compact Package: Offered in a compact, surface-mount package, the DS2781E+T&R is suitable for portable applications like smartphones, tablets, and other battery-powered devices.
Equivalent
1. TI BQ27541 - A similar fuel gauge IC by Texas Instruments.
2. LTC2941 - A battery gas gauge IC from Analog Devices.
3. STC3100 - A fuel gauge IC by STMicroelectronics.
These alternatives offer similar functionalities such as battery monitoring, state of charge estimation, and protection features. Compatibility may vary, so always check the datasheets and application requirements.
Features
1. Battery Monitoring: It accurately measures and reports battery voltage, current, and temperature, essential for precise fuel gauging and protection.
2. Fuel Gauging: The device uses a model-based algorithm to estimate the battery's state of charge (SOC) and remaining capacity, which helps in ensuring efficient power usage.
3. Protection Features: It provides protection circuits to prevent overcharging, over-discharging, and short circuits, thereby enhancing battery safety and longevity.
4. EEPROM Storage: The device includes 16 bytes of EEPROM for user data storage, allowing for custom configuration and data logging.
5. Communication Interface: It supports a 1-Wire interface for communication, facilitating easy integration and data exchange with a host processor.
6. Low Power Consumption: The IC is designed to operate with minimal power, making it suitable for portable applications where battery life is crucial.
Overall, the DS2781E+T&R enhances the reliability and efficiency of battery-powered devices by providing comprehensive battery management features.
Pinout
Key functions include:
1. Battery Monitoring: It measures voltage, temperature, and current to accurately determine the battery's state of charge.
2. Fuel Gauging: Computes the remaining capacity of the battery.
3. Protection: Offers protection mechanisms such as overvoltage, undervoltage, and overcurrent conditions.
4. Communication: Supports a 1-Wire communication interface for data exchange, allowing for easy integration into battery management systems.
The IC is often used in handheld and portable electronics where precise battery management is crucial.
Manufacturer
Application
1. Portable Electronics: Used in smartphones, tablets, and laptops to monitor battery charge and health.
2. Electric Vehicles (EVs): Helps manage battery packs by tracking charge cycles and capacity.
3. Uninterruptible Power Supplies (UPS): Ensures reliable monitoring and protection of backup battery systems.
4. Medical Devices: Used in portable medical equipment for accurate battery management.
5. Wearable Technology: Supports battery life optimization in wearable gadgets.
These applications benefit from the device's ability to accurately measure battery parameters and enhance overall battery performance and safety.