Maxim Integrated
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MAX17047G+T10
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MAX17047G+T10

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Battery Fuel Gauge
  • Characteristics: High accuracy, low power consumption, small package size
  • Package: 10-pin TDFN (Thin Dual Flat No-Lead) package
  • Essence: Accurately measures battery capacity and provides information for battery management systems
  • Packaging/Quantity: Available in tape and reel packaging, quantity depends on customer requirements

Specifications

  • Operating Voltage Range: 2.7V to 4.5V
  • Battery Voltage Range: 2.5V to 4.5V
  • Operating Temperature Range: -40°C to +85°C
  • Fuel Gauge Accuracy: ±1%
  • Communication Interface: I2C
  • Battery Capacity Measurement Resolution: 1mAh

Pin Configuration

The MAX17047G+T10 has the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. SDA: I2C data line
  4. SCL: I2C clock line
  5. ALERT: Interrupt output
  6. BAT: Battery voltage sense input
  7. TS: Temperature sense input
  8. NC: No connection
  9. NC: No connection
  10. VSS: Negative terminal of the sense resistor

Functional Features

  • Accurate measurement of battery capacity
  • Real-time reporting of remaining battery capacity
  • Predictive modeling of battery life
  • Low-power operation for extended battery life
  • Temperature compensation for accurate readings in varying conditions
  • Programmable alert thresholds for customized notifications

Advantages

  • High accuracy fuel gauge measurements
  • Low power consumption for efficient battery usage
  • Small package size allows for space-constrained designs
  • Wide operating voltage and temperature range for versatile applications
  • I2C interface enables easy integration with microcontrollers

Disadvantages

  • Limited to battery voltage range of 2.5V to 4.5V
  • Requires external sense resistor for accurate current measurement
  • Not suitable for high-current applications

Working Principles

The MAX17047G+T10 operates by measuring the voltage across an external sense resistor connected in series with the battery. It uses this voltage drop to calculate the battery current and capacity. The IC also incorporates a temperature sensor to compensate for variations in battery performance at different temperatures. The fuel gauge communicates with the host system through the I2C interface, providing real-time information about the remaining battery capacity.

Application Field Plans

The MAX17047G+T10 is widely used in various portable electronic devices, such as smartphones, tablets, laptops, and wearable devices. It is also utilized in power banks, medical devices, and other battery-powered systems where accurate monitoring of battery capacity is crucial for optimal performance.

Alternative Models

  • MAX17048G+T10: Similar to MAX17047G+T10 but with additional features
  • MAX17049G+T10: Higher accuracy version of MAX17047G+T10
  • MAX17050G+T10: Lower power consumption variant of MAX17047G+T10

These alternative models offer similar functionality but may have different specifications or additional features depending on specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX17047G+T10 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX17047G+T10 in technical solutions:

  1. Q: What is the MAX17047G+T10? A: The MAX17047G+T10 is a fuel gauge IC (integrated circuit) designed for accurately measuring the remaining capacity of a single-cell lithium-ion battery.

  2. Q: What is the typical application of the MAX17047G+T10? A: The MAX17047G+T10 is commonly used in portable devices such as smartphones, tablets, wearables, and other battery-powered applications.

  3. Q: How does the MAX17047G+T10 measure battery capacity? A: The MAX17047G+T10 uses a patented ModelGauge m5 algorithm that combines voltage, current, and temperature measurements to estimate the battery's state of charge (SOC).

  4. Q: Can the MAX17047G+T10 support multiple cells in series? A: No, the MAX17047G+T10 is specifically designed for single-cell lithium-ion batteries and cannot be used for multi-cell configurations.

  5. Q: Does the MAX17047G+T10 require external calibration? A: No, the MAX17047G+T10 is factory-calibrated and does not require any additional calibration during normal operation.

  6. Q: What communication interface does the MAX17047G+T10 use? A: The MAX17047G+T10 supports I2C (Inter-Integrated Circuit) communication protocol for easy integration with microcontrollers or host systems.

  7. Q: Can the MAX17047G+T10 measure battery temperature? A: Yes, the MAX17047G+T10 has an integrated temperature sensor that allows accurate temperature compensation for improved SOC estimation.

  8. Q: What is the operating voltage range of the MAX17047G+T10? A: The MAX17047G+T10 operates from 2.7V to 4.5V, making it suitable for a wide range of lithium-ion battery applications.

  9. Q: Does the MAX17047G+T10 provide any additional features? A: Yes, the MAX17047G+T10 includes programmable alert thresholds, low-power modes, and an optional SHA-256 authentication feature for enhanced security.

  10. Q: Is the MAX17047G+T10 available in different package options? A: Yes, the MAX17047G+T10 is available in a compact 10-pin TDFN (Thin Dual Flat No-Lead) package, which is suitable for space-constrained designs.

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