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DS1865T+T&R
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DS1865T+T&R

Product Overview

Category

The DS1865T+T&R belongs to the category of electronic components, specifically a battery monitor and protector IC.

Use

It is used for monitoring and protecting single-cell lithium-ion (Li+) batteries in portable applications.

Characteristics

  • The DS1865T+T&R features precision voltage and temperature monitoring.
  • It offers overvoltage and undervoltage protection for Li+ batteries.
  • The IC includes an I2C interface for communication with a host microcontroller.

Package

The DS1865T+T&R is available in a small 8-pin TDFN package, making it suitable for compact designs.

Essence

The essence of the DS1865T+T&R lies in its ability to ensure the safe and efficient operation of single-cell Li+ batteries in portable devices.

Packaging/Quantity

The DS1865T+T&R is typically supplied in tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Operating Voltage Range: 2.3V to 4.5V
  • Temperature Monitoring Range: -40°C to +125°C
  • Voltage Monitoring Accuracy: ±10mV
  • I2C Interface: Up to 400kHz

Detailed Pin Configuration

  1. VDD: Power supply input
  2. SDA: I2C data line
  3. SCL: I2C clock line
  4. GND: Ground
  5. BAT: Battery connection
  6. TS: Temperature sense input
  7. OV: Overvoltage threshold setting
  8. UV: Undervoltage threshold setting

Functional Features

  • Precision voltage and temperature monitoring
  • Overvoltage and undervoltage protection
  • I2C interface for communication with a microcontroller
  • Low power consumption

Advantages and Disadvantages

Advantages

  • Accurate monitoring and protection of Li+ batteries
  • Compact package suitable for portable applications
  • I2C interface allows for easy integration with microcontrollers

Disadvantages

  • Limited to single-cell battery monitoring
  • Requires external circuitry for balancing in multi-cell applications

Working Principles

The DS1865T+T&R continuously monitors the voltage and temperature of the connected Li+ battery. If the voltage exceeds the configured overvoltage threshold or falls below the undervoltage threshold, the IC takes appropriate action to protect the battery. The I2C interface enables communication with a host microcontroller for status monitoring and configuration.

Detailed Application Field Plans

The DS1865T+T&R is ideal for use in various portable devices powered by single-cell Li+ batteries, including: - Smartphones - Tablets - Portable medical devices - Wearable electronics

Detailed and Complete Alternative Models

  • DS2777: Multi-cell battery monitor and protector IC
  • BQ76930: Battery management system for multi-cell Li+ batteries
  • MAX17843: Single-cell battery monitor with integrated fuel gauge

In conclusion, the DS1865T+T&R provides essential monitoring and protection features for single-cell Li+ batteries in portable applications, making it a valuable component for ensuring battery safety and performance.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av DS1865T+T&R i tekniska lösningar

  1. What is the DS1865T+T&R?

    • The DS1865T+T&R is a temperature sensor and monitor with nonvolatile memory and SPI interface.

  2. What is the operating temperature range of DS1865T+T&R?

    • The operating temperature range of DS1865T+T&R is -40°C to +125°C.

  3. What is the supply voltage for DS1865T+T&R?

    • The supply voltage for DS1865T+T&R is 2.7V to 5.5V.

  4. What is the resolution of the temperature sensor in DS1865T+T&R?

    • The temperature sensor in DS1865T+T&R has a resolution of 0.0625°C.

  5. Can DS1865T+T&R be used in battery-powered applications?

    • Yes, DS1865T+T&R can be used in battery-powered applications due to its low power consumption.

  6. Does DS1865T+T&R have any built-in memory?

    • Yes, DS1865T+T&R has 64 bytes of nonvolatile user-programmable EEPROM memory.

  7. What is the communication interface supported by DS1865T+T&R?

    • DS1865T+T&R supports the SPI (Serial Peripheral Interface) communication interface.

  8. Is DS1865T+T&R suitable for industrial temperature monitoring applications?

    • Yes, DS1865T+T&R is suitable for industrial temperature monitoring applications due to its wide operating temperature range and accuracy.

  9. Can DS1865T+T&R be used in automotive electronics?

    • Yes, DS1865T+T&R can be used in automotive electronics where temperature monitoring is required.

  10. Are there any evaluation kits available for DS1865T+T&R?

    • Yes, evaluation kits are available to facilitate the testing and integration of DS1865T+T&R into technical solutions.