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MAX17245ETESB+T
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MAX17245ETESB+T

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: Low-power, high-efficiency, compact size
  • Package: 16-TQFN (3x3mm)
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 5.5V
  • Output Voltage Range: 0.4V to 5.5V
  • Maximum Output Current: 300mA
  • Quiescent Current: 1.5µA (typical)
  • Efficiency: Up to 96%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX17245ETESB+T features a 16-pin TQFN package with the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. EN: Enable pin
  4. PGND: Power ground
  5. VOUT: Output voltage
  6. FB: Feedback pin
  7. SS: Soft-start capacitor
  8. BST: Boost capacitor
  9. LX: Inductor connection
  10. AGND: Analog ground
  11. NC: No connect
  12. NC: No connect
  13. NC: No connect
  14. NC: No connect
  15. NC: No connect
  16. NC: No connect

Functional Features

  • Integrated low-dropout linear regulator
  • Wide input voltage range for versatile applications
  • High efficiency for power-sensitive devices
  • Low quiescent current for extended battery life
  • Adjustable output voltage for flexibility
  • Soft-start feature for controlled power-up
  • Overcurrent and thermal protection for enhanced safety

Advantages and Disadvantages

Advantages: - Compact size enables space-constrained designs - High efficiency reduces power consumption - Wide input voltage range allows compatibility with various power sources - Low quiescent current prolongs battery life - Integrated protection features enhance reliability

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Temperature range may restrict usage in extreme environments

Working Principles

The MAX17245ETESB+T is a voltage regulator IC that regulates the input voltage to a desired output voltage. It utilizes a low-dropout linear regulator architecture to achieve high efficiency and low quiescent current. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry to maintain a stable output. The soft-start capacitor (SS) ensures a controlled power-up sequence, preventing excessive inrush current. The device also incorporates overcurrent and thermal protection mechanisms to safeguard against potential damage.

Detailed Application Field Plans

The MAX17245ETESB+T finds applications in various fields, including but not limited to:

  1. Portable Electronics: Power management for smartphones, tablets, wearables, and other battery-powered devices.
  2. IoT Devices: Voltage regulation for sensors, actuators, and communication modules in Internet of Things applications.
  3. Industrial Automation: Power supply for control systems, motor drives, and sensors in industrial automation equipment.
  4. Automotive Electronics: Voltage regulation for infotainment systems, lighting modules, and advanced driver-assistance systems (ADAS).
  5. Medical Devices: Power management for portable medical devices, patient monitoring systems, and diagnostic equipment.

Detailed and Complete Alternative Models

  1. MAX17246ETESB+T: Similar specifications, but with higher maximum output current (500mA).
  2. MAX17247ETESB+T: Similar specifications, but with lower quiescent current (0.8µA typical).
  3. MAX17248ETESB+T: Similar specifications, but with wider input voltage range (2.5V to 6.3V).

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

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAX17245ETESB+T en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of MAX17245ETESB+T in technical solutions:

  1. Q: What is the MAX17245ETESB+T? A: The MAX17245ETESB+T is a fuel gauge IC (integrated circuit) designed for accurately measuring the remaining capacity of a single-cell lithium-ion battery.

  2. Q: What are the key features of the MAX17245ETESB+T? A: The key features include high accuracy, low power consumption, small form factor, I2C interface, temperature compensation, and support for various battery chemistries.

  3. Q: How does the MAX17245ETESB+T measure battery capacity? A: The MAX17245ETESB+T uses a patented ModelGauge m5 algorithm that combines voltage, current, and temperature measurements to estimate the state of charge (SOC) and remaining capacity of the battery.

  4. Q: Can the MAX17245ETESB+T be used with different battery chemistries? A: Yes, the MAX17245ETESB+T supports a wide range of lithium-ion and lithium-polymer battery chemistries, making it versatile for various applications.

  5. Q: What is the typical operating voltage range of the MAX17245ETESB+T? A: The typical operating voltage range is from 2.7V to 4.8V, which covers most single-cell lithium-ion batteries.

  6. Q: Does the MAX17245ETESB+T have any built-in protection features? A: Yes, the MAX17245ETESB+T includes overvoltage protection, undervoltage lockout, and thermal shutdown to ensure safe operation of the battery.

  7. Q: Can the MAX17245ETESB+T be used in portable devices? A: Yes, the small form factor and low power consumption of the MAX17245ETESB+T make it suitable for use in portable devices such as smartphones, tablets, wearables, and IoT devices.

  8. Q: How accurate is the MAX17245ETESB+T in measuring battery capacity? A: The MAX17245ETESB+T offers high accuracy with an error typically less than 1% over the entire temperature range.

  9. Q: Does the MAX17245ETESB+T support battery pack configurations? A: Yes, the MAX17245ETESB+T can be used in battery pack configurations by connecting multiple ICs together to monitor each cell individually.

  10. Q: Is there any evaluation kit available for the MAX17245ETESB+T? A: Yes, Maxim Integrated provides an evaluation kit (MAX17245EVKIT) that includes the necessary hardware and software to evaluate and test the MAX17245ETESB+T in different applications.

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