DS2782E+T&R

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DS2782E+T&R

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IC BATT MON LI-ION 1CELL 8TSSOP

  • FabricanteAnalog Devices Inc./Maxim Integrated

  • Peça do Fabricante #DS2782E+T&R

  • Pacote TSSOP-8

  • 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

The DS2782E+T&R is a battery fuel gauge integrated circuit (IC) designed by Maxim Integrated, now part of Analog Devices. It's specifically tailored for lithium-ion (Li-ion) and lithium-polymer batteries, providing accurate battery monitoring and management. The IC uses a two-wire interface, typically I²C, for communication, allowing it to interact with microcontrollers and other devices.
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

The DS2782E+T&R is a battery fuel gauge IC commonly used for monitoring rechargeable lithium-ion and lithium-polymer batteries. Equivalent products may include:
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

The DS2782E+T&R is a battery fuel gauge IC from Maxim Integrated, designed for lithium-ion (Li-ion) and lithium-polymer (LiPo) batteries. Key features include:
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

The DS2782E+T&R is a battery fuel gauge integrated circuit designed by Maxim Integrated (now part of Analog Devices). It comes in a compact 10-pin TDFN (Thin Dual Flat No-leads) package. The primary function of the DS2782 is to monitor and report key parameters of a single-cell lithium-ion (Li-ion) battery, providing accurate fuel gauging for portable devices.
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

The DS2782E+T&R is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated, prior to its acquisition, was a company known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. These products are used in a wide range of applications across various industries, including automotive, communications, computing, consumer electronics, and industrial markets. The company focuses on creating solutions that enhance the performance and efficiency of electronic devices. After its acquisition by Analog Devices in 2021, the combined entity continues to provide a comprehensive portfolio of semiconductor solutions.

Application

The DS2782E+T&R is a battery fuel gauge and monitor used in applications where accurate battery management is critical. Key application areas include:
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.

Package

The DS2782E+T&R is a battery fuel gauge integrated circuit offered by Maxim Integrated (now part of Analog Devices). The package type is a 10-pin TDFN (Thin Dual Flat No-Lead) with dimensions of 3mm x 3mm. It is commonly used in battery monitoring applications for portable devices.

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