MAX17225ENT+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX17225ENT+ is a highly efficient, low-power, step-down DC-DC converter designed for use in portable electronic devices. It provides a regulated output voltage from a wide input voltage range, making it suitable for various battery-powered applications.

Characteristics: - High efficiency conversion - Low quiescent current - Wide input voltage range - Adjustable output voltage - Compact package size

Package: The MAX17225ENT+ is available in a small 6-pin Thin SOT23 package, which allows for space-saving integration into compact electronic devices.

Essence: The essence of the MAX17225ENT+ lies in its ability to efficiently convert input voltage to a regulated output voltage, while consuming minimal power and occupying minimal space.

Packaging/Quantity: The MAX17225ENT+ is typically sold in reels containing 3000 units per reel.

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.6V to VIN
Maximum Output Current: 1A
Quiescent Current: 17µA (typical)
Switching Frequency: 1.2MHz (typical)
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX17225ENT+ features the following pin configuration:

VIN: Input voltage pin
GND: Ground pin
FB: Feedback pin for setting the output voltage
EN: Enable pin for turning the device on/off
SW: Switching node pin
VOUT: Regulated output voltage pin

Functional Features

High Efficiency: The MAX17225ENT+ utilizes advanced switching techniques to achieve high conversion efficiency, minimizing power loss and maximizing battery life.
Low Quiescent Current: With a low quiescent current of only 17µA, the device minimizes power consumption during standby or idle periods.
Wide Input Voltage Range: The wide input voltage range allows the MAX17225ENT+ to operate with various power sources, including single-cell lithium-ion batteries.
Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor divider network, providing flexibility for different application requirements.

Advantages and Disadvantages

Advantages: - High efficiency conversion leads to longer battery life - Compact package size enables integration in space-constrained devices - Wide input voltage range allows for versatile applications - Adjustable output voltage provides flexibility

Disadvantages: - Limited maximum output current (1A) - Requires additional external components for operation

Working Principles

The MAX17225ENT+ operates as a step-down DC-DC converter. It uses a high-frequency switching technique to efficiently convert the input voltage to a regulated output voltage. The device employs a control loop that adjusts the duty cycle of the internal switch to maintain the desired output voltage. This control loop ensures stable and accurate voltage regulation.

Detailed Application Field Plans

The MAX17225ENT+ finds applications in various portable electronic devices, including but not limited to: - Smartphones and tablets - Wearable devices - Portable medical devices - Handheld gaming consoles - IoT devices

Detailed and Complete Alternative Models

MAX17222ENT+: Similar to MAX17225ENT+, but with a lower maximum output current of 500mA.
MAX17226ENT+: Similar to MAX17225ENT+, but with a higher maximum output current of 2A.
MAX17227ENT+: Similar to MAX17225ENT+, but with an integrated power switch for higher efficiency.

These alternative models provide options with varying output current capabilities and additional features to suit different application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX17225ENT+ v technických řešeních

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

Q: What is the MAX17225ENT+? A: The MAX17225ENT+ 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 MAX17225ENT+? A: The key features include high accuracy, low power consumption, small form factor, I2C interface, temperature compensation, and support for battery pack configurations.
Q: How does the MAX17225ENT+ measure battery capacity? A: It uses a patented ModelGauge m5 algorithm that combines voltage, current, and temperature measurements to estimate the battery's state of charge (SOC) and remaining capacity.
Q: Can the MAX17225ENT+ be used with different battery chemistries? A: No, it is specifically designed for single-cell Li+ batteries and may not provide accurate results with other chemistries.
Q: What is the typical operating voltage range of the MAX17225ENT+? A: The typical operating voltage range is from 2.7V to 4.8V, suitable for most single-cell Li+ batteries.
Q: Does the MAX17225ENT+ support fast charging? A: Yes, it supports fast charging by accurately tracking the battery's SOC during charging and discharging processes.
Q: Can the MAX17225ENT+ be used in portable devices? A: Absolutely! Its small form factor and low power consumption make it ideal for integration into various portable devices like smartphones, tablets, wearables, etc.
Q: Is the MAX17225ENT+ compatible with different microcontrollers? A: Yes, it has an I2C interface that allows easy communication with a wide range of microcontrollers.
Q: Does the MAX17225ENT+ provide any protection features for the battery? A: Yes, it includes built-in overvoltage, undervoltage, and overcurrent protection to safeguard the battery from potential damage.
Q: Are there any evaluation kits available for the MAX17225ENT+? A: Yes, Maxim Integrated provides evaluation kits that include the MAX17225ENT+ IC along with software tools and documentation to help developers quickly evaluate and integrate the fuel gauge into their designs.

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