Meixin Integrated
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MAX17044G+T
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MAX17044G+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Battery Fuel Gauge
  • Characteristics: Accurate battery state-of-charge estimation, low power consumption, small package size
  • Package: 8-pin TDFN (Thin Dual Flat No-Lead) package
  • Essence: Monitoring and reporting the remaining capacity of a rechargeable battery
  • Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

  • Operating Voltage Range: 1.7V to 3.6V
  • Battery Chemistry: Li-Ion/Li-Polymer
  • Communication Interface: I2C
  • Operating Temperature Range: -40°C to +85°C
  • Accuracy: ±1% (typical)
  • Standby Current: 7µA (typical)
  • Shutdown Current: 0.5µA (typical)

Pin Configuration

The MAX17044G+T has the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. SDA: Serial data input/output for I2C communication
  4. SCL: Serial clock input for I2C communication
  5. ALERT: Open-drain output that indicates a low-battery condition
  6. TS: Thermistor input for temperature monitoring
  7. BAT: Battery voltage sense input
  8. VSS: Negative terminal of the battery

Functional Features

  • Accurate battery fuel gauge with patented ModelGauge m5 EZ algorithm
  • Eliminates battery characterization process
  • Provides accurate estimation of remaining battery capacity
  • Low power consumption for extended battery life
  • Supports multiple battery chemistries
  • Integrated current-sense resistor for simplified design

Advantages and Disadvantages

Advantages: - Accurate estimation of battery state-of-charge - Low power consumption prolongs battery life - Small package size allows for space-constrained applications - Eliminates the need for battery characterization

Disadvantages: - Limited to Li-Ion/Li-Polymer battery chemistries - Requires I2C communication interface

Working Principles

The MAX17044G+T utilizes the patented ModelGauge m5 EZ algorithm to accurately estimate the remaining capacity of a rechargeable battery. It measures the battery voltage and current, and combines this information with the battery's characteristics to provide an accurate state-of-charge estimation. The algorithm eliminates the need for battery characterization, simplifying the design process.

Detailed Application Field Plans

The MAX17044G+T is commonly used in various portable electronic devices, such as smartphones, tablets, laptops, and wearable devices. It is also suitable for applications where accurate monitoring of battery capacity is critical, such as medical devices, industrial equipment, and IoT devices.

Detailed and Complete Alternative Models

  1. MAX17043G+T: Similar to MAX17044G+T, but with a different package (10-pin TDFN)
  2. MAX17045G+T: Similar to MAX17044G+T, but with extended temperature range (-40°C to +125°C)
  3. MAX17046G+T: Similar to MAX17044G+T, but with higher accuracy (±0.5%)

These alternative models offer similar functionality and can be considered based on specific application requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MAX17044G+T في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of MAX17044G+T in technical solutions:

  1. Q: What is the MAX17044G+T? A: The MAX17044G+T is a fuel gauge IC (Integrated Circuit) designed for accurately measuring the remaining capacity of a battery.

  2. Q: What type of batteries can the MAX17044G+T work with? A: The MAX17044G+T is compatible with lithium-ion (Li-ion) and lithium polymer (LiPo) batteries.

  3. Q: How does the MAX17044G+T measure battery capacity? A: The MAX17044G+T uses a sophisticated algorithm that measures the voltage, current, temperature, and other parameters to estimate the remaining battery capacity.

  4. Q: Can the MAX17044G+T be used in portable devices? A: Yes, the MAX17044G+T is commonly used in portable devices such as smartphones, tablets, wearables, and other battery-powered devices.

  5. Q: Does the MAX17044G+T require calibration? A: No, the MAX17044G+T is factory-calibrated and does not require additional calibration during normal operation.

  6. Q: Can the MAX17044G+T communicate with a microcontroller or host system? A: Yes, the MAX17044G+T supports I2C communication, allowing it to interface with microcontrollers or host systems.

  7. Q: What is the accuracy of the MAX17044G+T? A: The MAX17044G+T has a typical accuracy of ±1% for battery voltage and ±5% for battery capacity estimation.

  8. Q: Can the MAX17044G+T monitor multiple batteries simultaneously? A: Yes, the MAX17044G+T can monitor multiple batteries by connecting each battery to a separate fuel gauge IC.

  9. Q: Does the MAX17044G+T have any built-in safety features? A: Yes, the MAX17044G+T includes overvoltage protection, undervoltage lockout, and thermal shutdown features to ensure safe operation.

  10. Q: Is the MAX17044G+T suitable for low-power applications? A: Yes, the MAX17044G+T is designed for low-power operation and has a standby current of only a few microamps.

Please note that these answers are general and may vary depending on specific application requirements.