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MAX17290EUBA+T
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MAX17290EUBA+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High-efficiency, Low-power consumption
  • Package: 8-pin µMAX®
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel (3000 pieces per reel)

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.8V to 3.6V
  • Output Current: Up to 300mA
  • Quiescent Current: 1.5µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX17290EUBA+T has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SW: Switching node pin
  6. PGND: Power ground pin
  7. VOUT: Output voltage pin
  8. BST: Boost capacitor connection pin

Functional Features

  • High efficiency with up to 95% power conversion
  • Low quiescent current for extended battery life
  • Integrated low-dropout regulator (LDO) for improved transient response
  • Adjustable output voltage through external resistors
  • Overcurrent and thermal protection for enhanced safety
  • Soft-start feature to minimize inrush current

Advantages and Disadvantages

Advantages

  • High efficiency results in less power dissipation
  • Low quiescent current prolongs battery life
  • Compact package size allows for space-saving designs
  • Wide input and output voltage range for versatile applications
  • Built-in protection features ensure safe operation

Disadvantages

  • Limited output current may not be suitable for high-power applications
  • Requires external resistors for voltage adjustment

Working Principles

The MAX17290EUBA+T is a voltage regulator IC that converts an input voltage within the range of 2.5V to 5.5V to a regulated output voltage between 0.8V and 3.6V. It achieves this through a combination of switching and linear regulation techniques.

The input voltage is connected to the VIN pin, and the desired output voltage is set using external resistors connected to the FB pin. The EN pin controls the enable/disable state of the regulator. When enabled, the IC regulates the output voltage based on the feedback received from the FB pin.

The SW pin is the switching node, which connects to an external inductor and capacitor to form a buck converter. This switching circuitry efficiently steps down the input voltage to the desired output voltage. The integrated LDO further improves the transient response of the regulator.

Detailed Application Field Plans

The MAX17290EUBA+T is commonly used in various battery-powered applications, including:

  1. Portable electronic devices such as smartphones, tablets, and wearables
  2. IoT (Internet of Things) devices
  3. Wireless sensor networks
  4. Battery-powered medical devices
  5. Industrial monitoring and control systems

Its compact package size, low power consumption, and wide input/output voltage range make it suitable for these applications.

Detailed and Complete Alternative Models

  1. MAX17291EUBA+T: Similar specifications but with higher output current capability (up to 500mA)
  2. MAX17292EUBA+T: Similar specifications but with adjustable output voltage via I²C interface
  3. MAX17293EUBA+T: Similar specifications but with additional power-good indicator feature

These alternative models provide options for different application requirements while maintaining the core features of the MAX17290EUBA+T.

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技術ソリューションにおける MAX17290EUBA+T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MAX17290EUBA+T in technical solutions:

  1. Q: What is the MAX17290EUBA+T? A: The MAX17290EUBA+T is a highly integrated fuel gauge IC (Integrated Circuit) designed for accurately measuring the remaining capacity of single-cell lithium-ion (Li+) batteries.

  2. Q: What is the operating voltage range of the MAX17290EUBA+T? A: The operating voltage range of the MAX17290EUBA+T is from 2.7V to 4.5V, making it suitable for various Li+ battery-powered applications.

  3. Q: How accurate is the fuel gauge measurement provided by the MAX17290EUBA+T? A: The MAX17290EUBA+T offers high accuracy with a typical error of less than 1% over the entire battery capacity range.

  4. Q: Can the MAX17290EUBA+T be used in portable devices? A: Yes, the MAX17290EUBA+T is ideal for portable devices such as smartphones, tablets, wearables, and other battery-powered consumer electronics.

  5. Q: Does the MAX17290EUBA+T support battery temperature monitoring? A: Yes, the MAX17290EUBA+T includes an integrated temperature sensor for accurate battery temperature monitoring.

  6. Q: Is the MAX17290EUBA+T compatible with different battery chemistries? A: No, the MAX17290EUBA+T is specifically designed for single-cell Li+ batteries and may not be suitable for other battery chemistries.

  7. Q: Can the MAX17290EUBA+T communicate with a microcontroller or host system? A: Yes, the MAX17290EUBA+T supports I2C communication, allowing easy integration with microcontrollers or host systems.

  8. Q: Does the MAX17290EUBA+T provide any protection features for the battery? A: Yes, the MAX17290EUBA+T includes built-in overvoltage, undervoltage, and overcurrent protection to safeguard the battery during charging and discharging.

  9. Q: What is the typical operating current of the MAX17290EUBA+T? A: The typical operating current of the MAX17290EUBA+T is very low, typically around 7µA, which helps in minimizing power consumption.

  10. Q: Can the MAX17290EUBA+T be used in industrial applications? A: Yes, the MAX17290EUBA+T is suitable for a wide range of industrial applications that require accurate fuel gauging and battery management.

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