Maxim Integrated
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DS2770AE+T&R
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DS2770AE+T&R

Product Overview

  • Category: Integrated Circuit
  • Use: Battery Fuel Gauge
  • Characteristics: Accurate battery monitoring, low power consumption, compact size
  • Package: Tape and Reel (T&R)
  • Essence: The DS2770AE+T&R is a battery fuel gauge integrated circuit designed for accurate monitoring of battery capacity in various electronic devices.
  • Packaging/Quantity: Available in tape and reel packaging with a specified quantity per reel.

Specifications

  • Operating Voltage Range: 2.7V to 5.5V
  • Battery Capacity Measurement Range: 0mAh to 9999mAh
  • Communication Interface: I2C
  • Temperature Measurement Range: -40°C to +85°C
  • Accuracy: ±10mAh or ±1% of the measured capacity (whichever is greater)
  • Dimensions: 4mm x 4mm x 0.75mm

Detailed Pin Configuration

The DS2770AE+T&R has the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground connection
  3. SDA: I2C data line
  4. SCL: I2C clock line
  5. BAT: Battery voltage sense input
  6. TS: Temperature sense input
  7. IRQ: Interrupt output
  8. NC: No connection

Functional Features

  • Accurate measurement of battery capacity
  • Low power consumption for extended battery life
  • Built-in temperature sensor for temperature compensation
  • Interrupt output for battery status notifications
  • I2C interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages

  • Accurate battery monitoring ensures optimal utilization of battery capacity.
  • Low power consumption helps conserve battery life.
  • Compact size allows for easy integration into various electronic devices.
  • Temperature compensation ensures accurate readings in different temperature conditions.

Disadvantages

  • Limited battery capacity measurement range (0mAh to 9999mAh).
  • Requires I2C communication interface for data retrieval.

Working Principles

The DS2770AE+T&R utilizes advanced algorithms to accurately measure the remaining capacity of a battery. It continuously monitors the battery voltage and current, compensating for temperature variations to provide precise readings. The integrated circuit communicates with a microcontroller through the I2C interface, allowing for real-time monitoring and control of the battery.

Detailed Application Field Plans

The DS2770AE+T&R is widely used in various applications that require accurate battery monitoring. Some of the common application fields include:

  1. Portable Electronics: Smartphones, tablets, portable gaming devices, etc.
  2. Wearable Devices: Smartwatches, fitness trackers, wireless earbuds, etc.
  3. Medical Devices: Portable medical equipment, patient monitoring devices, etc.
  4. Industrial Equipment: Handheld instruments, wireless sensors, etc.
  5. Internet of Things (IoT): Battery-powered IoT devices, sensor nodes, etc.

Detailed and Complete Alternative Models

  • DS2780AE+T&R: Similar to DS2770AE+T&R with extended battery capacity measurement range.
  • DS2740AE+T&R: Battery fuel gauge IC with additional features like Coulomb counter and programmable alarm thresholds.
  • MAX17043G+T&R: High-accuracy fuel gauge IC with built-in protection features.
  • BQ27541-G1+T&R: Advanced battery fuel gauge IC with support for multiple battery chemistries.

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af DS2770AE+T&R i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of DS2770AE+T&R in technical solutions:

  1. Q: What is DS2770AE+T&R? A: DS2770AE+T&R is a specific model of battery fuel gauge IC (Integrated Circuit) manufactured by Maxim Integrated. It is commonly used for monitoring and managing battery levels in various technical solutions.

  2. Q: How does DS2770AE+T&R work? A: DS2770AE+T&R works by measuring the voltage, current, and temperature of the battery it is connected to. It uses this information to accurately estimate the remaining capacity and state of charge of the battery.

  3. Q: What are the key features of DS2770AE+T&R? A: Some key features of DS2770AE+T&R include accurate capacity estimation, temperature monitoring, programmable alert thresholds, integrated current sense amplifier, and support for multiple battery chemistries.

  4. Q: Can DS2770AE+T&R be used with different types of batteries? A: Yes, DS2770AE+T&R supports multiple battery chemistries such as lithium-ion, lithium polymer, and nickel-based batteries. It can be configured for different chemistries through software settings.

  5. Q: How accurate is the capacity estimation provided by DS2770AE+T&R? A: DS2770AE+T&R provides highly accurate capacity estimation, typically within a few percentage points. However, it is important to calibrate the gauge initially and periodically to maintain accuracy.

  6. Q: Can DS2770AE+T&R measure battery temperature? A: Yes, DS2770AE+T&R has an integrated temperature sensor that can measure the temperature of the battery. This information can be used for temperature compensation and thermal management.

  7. Q: Can DS2770AE+T&R provide real-time battery status updates? A: Yes, DS2770AE+T&R can provide real-time updates on battery voltage, current, temperature, and remaining capacity. These updates can be accessed through the IC's communication interface.

  8. Q: Is DS2770AE+T&R compatible with common microcontrollers or processors? A: Yes, DS2770AE+T&R supports standard communication protocols such as I2C and SMBus, making it compatible with a wide range of microcontrollers and processors commonly used in technical solutions.

  9. Q: Can DS2770AE+T&R generate alerts based on battery conditions? A: Yes, DS2770AE+T&R has programmable alert thresholds that can trigger an interrupt or set a flag when specific battery conditions are met, such as low capacity, high temperature, or abnormal voltage.

  10. Q: Are there any evaluation boards or development kits available for DS2770AE+T&R? A: Yes, Maxim Integrated provides evaluation boards and development kits for DS2770AE+T&R, which include software tools and documentation to help developers integrate the IC into their technical solutions.

Please note that the answers provided here are general and may vary depending on specific application requirements and configurations.