MAX17244ETERA+T

Product Overview

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

Specifications

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

Pin Configuration

The MAX17244ETERA+T has a 16-pin Thin Quad Flat No-Lead (TQFN) package. The pin configuration is as follows:

VIN: Input voltage
GND: Ground
EN: Enable pin
PGND: Power ground
VOUT: Output voltage
FB: Feedback pin
SS: Soft-start capacitor connection
BST: Boost capacitor connection
LX: Inductor connection
AGND: Analog ground
NC: No connect
NC: No connect
NC: No connect
NC: No connect
NC: No connect
NC: No connect

Functional Features

Low quiescent current for extended battery life
High efficiency for power-sensitive applications
Wide input voltage range for versatile use
Adjustable output voltage for flexibility
Integrated soft-start for controlled startup
Overcurrent and overtemperature protection for reliability

Advantages and Disadvantages

Advantages: - Low power consumption - High efficiency - Compact size - Wide input voltage range - Overcurrent and overtemperature protection

Disadvantages: - Limited output current (up to 300mA)

Working Principles

The MAX17244ETERA+T is a voltage regulator IC that takes an input voltage within the range of 2.5V to 5.5V and provides a regulated output voltage between 0.4V and 5.5V. It achieves high efficiency by minimizing quiescent current and optimizing power conversion.

The IC uses a feedback mechanism to regulate the output voltage based on the desired value set by the user. It also incorporates soft-start functionality to ensure a controlled startup, preventing any sudden voltage spikes or current surges.

Additionally, the MAX17244ETERA+T includes built-in protection features such as overcurrent and overtemperature protection, which safeguard the circuit and connected components from potential damage.

Detailed Application Field Plans

The MAX17244ETERA+T finds applications in various fields, including but not limited to:

Portable electronic devices: Used to regulate power supply in smartphones, tablets, portable media players, etc.
Wearable devices: Provides efficient power management for smartwatches, fitness trackers, and other wearable gadgets.
Internet of Things (IoT): Suitable for low-power IoT devices, enabling extended battery life and reliable operation.
Industrial equipment: Used in industrial automation systems, sensors, and control circuits.
Automotive electronics: Suitable for automotive applications such as infotainment systems, lighting controls, and advanced driver-assistance systems (ADAS).

Detailed and Complete Alternative Models

MAX17242: Similar to MAX17244ETERA+T, but with a lower output current capability (up to 100mA).
MAX17243: Similar to MAX17244ETERA+T, but with a different pin configuration and package (10-pin µDFN).
MAX17245: Similar to MAX17244ETERA+T, but with a higher output current capability (up to 500mA).

These alternative models offer similar functionality with slight variations in specifications and package options, allowing users to choose the most suitable option for their specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX17244ETERA+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX17244ETERA+T in technical solutions:

Q: What is the MAX17244ETERA+T? A: The MAX17244ETERA+T is a highly integrated fuel gauge IC (Integrated Circuit) designed for accurately measuring the remaining capacity of single-cell lithium-ion (Li+) batteries.
Q: What are the key features of the MAX17244ETERA+T? A: The key features of the MAX17244ETERA+T include high accuracy, low power consumption, small form factor, I2C interface, and built-in protection features.
Q: How accurate is the MAX17244ETERA+T in measuring battery capacity? A: The MAX17244ETERA+T offers industry-leading accuracy with an error as low as ±0.5% over a wide range of operating conditions.
Q: Can the MAX17244ETERA+T be used with different types of lithium-ion batteries? A: Yes, the MAX17244ETERA+T is compatible with various types of single-cell lithium-ion batteries, including LiCoO2, LiFePO4, and LiMnO2 chemistries.
Q: Does the MAX17244ETERA+T support battery pack balancing? A: No, the MAX17244ETERA+T does not have built-in support for battery pack balancing. It is primarily focused on accurate capacity measurement.
Q: What is the typical power consumption of the MAX17244ETERA+T? A: The MAX17244ETERA+T has a low quiescent current of around 7µA, making it suitable for applications where power efficiency is crucial.
Q: Can the MAX17244ETERA+T be used in portable devices? A: Yes, the small form factor and low power consumption of the MAX17244ETERA+T make it ideal for integration into portable devices like smartphones, tablets, and wearables.
Q: Does the MAX17244ETERA+T provide any protection features for the battery? A: Yes, the MAX17244ETERA+T includes built-in protection features such as overvoltage protection, undervoltage lockout, and overcurrent protection.
Q: What is the communication interface supported by the MAX17244ETERA+T? A: The MAX17244ETERA+T supports the I2C (Inter-Integrated Circuit) communication interface, allowing easy integration with microcontrollers and other ICs.
Q: Are there any evaluation kits available for the MAX17244ETERA+T? A: Yes, Maxim Integrated provides evaluation kits that include the MAX17244ETERA+T, allowing developers to quickly prototype and test their applications.

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 application notes provided by the manufacturer for detailed information.