Meixin Integrated
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MAX17225ENT+T
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MAX17225ENT+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: Low-power, single-cell fuel gauge with ModelGauge m5 EZ algorithm
  • Package: 12-pin TDFN (3mm x 3mm)
  • Essence: Accurate battery state-of-charge (SOC) estimation and time-to-empty (TTE) prediction
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 4.5V
  • Operating Temperature Range: -40°C to +85°C
  • Battery Chemistry: Li-ion/Li-Polymer
  • SOC Accuracy: ±1%
  • Standby Current: 5µA (typical)
  • Shutdown Current: 0.5µA (typical)

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. TS: Thermistor input for temperature monitoring
  4. BAT: Battery voltage input
  5. STAT: Status output pin
  6. SDA: I2C data line
  7. SCL: I2C clock line
  8. INT: Interrupt output pin
  9. NC: No connection
  10. NC: No connection
  11. NC: No connection
  12. NC: No connection

Functional Features

  • Accurate battery SOC estimation using the ModelGauge m5 EZ algorithm
  • Time-to-empty (TTE) prediction for better battery management
  • Integrated current sensing for accurate charge and discharge measurements
  • Programmable alert thresholds for various battery conditions
  • I2C interface for easy communication with microcontrollers
  • Low power consumption for extended battery life

Advantages and Disadvantages

Advantages: - Accurate SOC estimation and TTE prediction - Integrated current sensing for precise charge and discharge measurements - Programmable alert thresholds for flexible battery management - Low power consumption for extended battery life

Disadvantages: - Limited to single-cell Li-ion/Li-Polymer batteries - Requires I2C communication interface

Working Principles

The MAX17225ENT+T is a low-power fuel gauge IC designed for accurate estimation of battery SOC and prediction of TTE. It utilizes the ModelGauge m5 EZ algorithm, which combines voltage-based and coulomb counting methods to provide reliable battery monitoring. The integrated current sensing feature ensures accurate charge and discharge measurements.

The IC communicates with a microcontroller through the I2C interface, allowing easy integration into various applications. It operates within a wide input voltage range and can withstand extreme temperatures, making it suitable for diverse environments.

Detailed Application Field Plans

  1. Portable Electronics: The MAX17225ENT+T is ideal for smartphones, tablets, and wearable devices, providing accurate battery monitoring and optimizing battery life.
  2. IoT Devices: Battery-powered IoT devices can benefit from the precise SOC estimation and TTE prediction offered by this IC, enabling efficient energy management.
  3. Medical Devices: Medical equipment requiring reliable battery monitoring, such as portable monitors or infusion pumps, can utilize the MAX17225ENT+T for enhanced performance and safety.

Detailed and Complete Alternative Models

  1. MAX17201: Similar to MAX17225ENT+T but with a different package (8-pin TDFN)
  2. MAX17048: Fuel gauge IC with higher SOC accuracy (±0.5%) and additional features like temperature compensation
  3. MAX17055: Advanced fuel gauge IC with increased programmability and support for multi-cell battery systems

(Note: This list is not exhaustive and other alternative models may exist.)

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX17225ENT+T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX17225ENT+T in technical solutions:

  1. Q: What is the MAX17225ENT+T? A: The MAX17225ENT+T is a highly integrated fuel gauge IC (Integrated Circuit) designed for single-cell lithium-ion/polymer batteries.

  2. Q: What is the typical input voltage range for the MAX17225ENT+T? A: The typical input voltage range for the MAX17225ENT+T is from 2.7V to 4.5V.

  3. Q: Can the MAX17225ENT+T be used with other battery chemistries besides lithium-ion/polymer? A: No, the MAX17225ENT+T is specifically designed for use with single-cell lithium-ion/polymer batteries.

  4. Q: What is the maximum charge current that the MAX17225ENT+T can handle? A: The MAX17225ENT+T can handle a maximum charge current of up to 2A.

  5. Q: Does the MAX17225ENT+T have built-in protection features for overvoltage and undervoltage conditions? A: Yes, the MAX17225ENT+T has built-in protection features for overvoltage and undervoltage conditions.

  6. Q: Can the MAX17225ENT+T measure battery temperature? A: Yes, the MAX17225ENT+T has an integrated temperature sensor for accurate battery temperature measurement.

  7. Q: Is the MAX17225ENT+T compatible with I2C communication interface? A: Yes, the MAX17225ENT+T supports I2C communication interface for easy integration into various systems.

  8. Q: What is the standby current consumption of the MAX17225ENT+T? A: The standby current consumption of the MAX17225ENT+T is typically less than 10µA.

  9. Q: Can the MAX17225ENT+T be used in portable devices such as smartphones and tablets? A: Yes, the MAX17225ENT+T is suitable for use in portable devices that require accurate battery monitoring and management.

  10. Q: Does the MAX17225ENT+T provide a fuel gauge algorithm for accurate battery capacity estimation? A: Yes, the MAX17225ENT+T incorporates a sophisticated fuel gauge algorithm to accurately estimate battery capacity.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.