DS2781E+T&R

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DS2781E+T&R

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IC BATT MON LI-ION 1-2CEL 8TSSOP

  • HerstellerAnalog Devices Inc./Maxim Integrated

  • Herstellerteil #DS2781E+T&R

  • Paket TSSOP-8

  • 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

The DS2781E+T&R is a battery management IC designed by Maxim Integrated (now part of Analog Devices) for monitoring the state of charge (SOC) in lithium-ion (Li-ion) and lithium-polymer batteries. It is part of the DS2781 series, which offers precise fuel gauging and battery monitoring capabilities critical for applications requiring accurate battery management.
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

The DS2781E+T&R is a battery fuel gauge IC by Maxim Integrated. Equivalent products include:
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

The DS2781E+T&R is a battery management IC designed for monitoring and protecting lithium-ion battery packs. Key features include:
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

The DS2781E+T&R is a part of the DS2781 series, which are high-precision battery fuel gauge ICs designed by Maxim Integrated. The DS2781 comes in a 10-pin TDFN package. Its primary function is to monitor the charge and discharge of a single lithium-ion (Li-ion) cell battery to provide accurate fuel gauging, ensuring that the battery is managed efficiently.
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

The DS2781E+T&R is manufactured by Maxim Integrated, now part of Analog Devices, Inc. Maxim Integrated is a company known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. They serve a variety of markets, including consumer electronics, communications, automotive, industrial, and healthcare. The DS2781E+T&R is typically used for battery fuel gauging applications, indicating that one of its applications is in battery management systems.

Application

The DS2781E+T&R is a battery fuel gauge and protection IC used primarily in battery management systems. Its application areas include:
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.

Package

The DS2781E+T&R is a battery fuel gauge IC with a 2-wire interface, designed by Maxim Integrated (now part of Analog Devices). It comes in an 8-pin TSSOP package, which is suitable for compact and efficient battery management in portable devices. The "+T&R" suffix indicates that the product is supplied in tape and reel packaging, suitable for automated assembly processes.

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