MAX14745EEWX+T

Product Overview

Category: Integrated Circuit (IC)
Use: Power Management
Characteristics: High Efficiency, Low Power Consumption
Package: WX (WLP, 4x4mm)
Essence: Power Management IC for Portable Devices
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Input Voltage Range: 2.5V to 5.5V
Output Voltage Range: 0.8V to 3.6V
Maximum Output Current: 1.5A
Quiescent Current: 17µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX14745EEWX+T has a total of 20 pins. The pin configuration is as follows:

VIN: Input Voltage
EN: Enable Pin
PGND: Power Ground
LX1: Inductor Connection 1
LX2: Inductor Connection 2
BST: Boost Capacitor Connection
SW: Switch Node
FB: Feedback Pin
AGND: Analog Ground
VOUT: Output Voltage
PG: Power Good Indicator
SS/TR: Soft-Start/Tracking Pin
MODE: Mode Selection Pin
CLK: Clock Synchronization Pin
SYNC: External Synchronization Pin
VDD: Supply Voltage
PGND: Power Ground
PGND: Power Ground
PGND: Power Ground
PGND: Power Ground

Functional Features

High Efficiency Buck-Boost Converter
Automatic Transition between Buck and Boost Modes
Low Dropout Voltage Operation
Adjustable Output Voltage
Overcurrent and Thermal Protection
Power Good Indicator

Advantages and Disadvantages

Advantages: - High Efficiency ensures optimal power utilization - Automatic Transition between Buck and Boost Modes allows for flexible operation - Low Dropout Voltage minimizes power loss - Adjustable Output Voltage provides versatility - Overcurrent and Thermal Protection enhance device safety - Power Good Indicator enables easy monitoring of power status

Disadvantages: - Limited Maximum Output Current (1.5A) - Relatively high Quiescent Current (17µA)

Working Principles

The MAX14745EEWX+T is a high-efficiency buck-boost converter designed for power management in portable devices. It operates by automatically transitioning between buck and boost modes based on the input and output voltage conditions. This flexibility allows the IC to efficiently regulate the output voltage over a wide range, even when the input voltage fluctuates.

The device utilizes a low dropout voltage architecture, minimizing power loss during conversion. It also incorporates overcurrent and thermal protection mechanisms to ensure safe operation under various load conditions. The power good indicator provides a convenient means of monitoring the power status.

Detailed Application Field Plans

The MAX14745EEWX+T is widely used in various portable electronic devices, including smartphones, tablets, wearable devices, and portable medical equipment. Its ability to efficiently manage power consumption makes it suitable for battery-powered applications where maximizing battery life is crucial. The adjustable output voltage feature allows it to be used in different devices with varying power requirements.

Detailed and Complete Alternative Models

MAX14746EEWX+T: Similar to MAX14745EEWX+T but with higher maximum output current (2A).
MAX14747EEWX+T: Buck-Boost Converter with integrated USB charger detection and control features.
MAX14748EEWX+T: Buck-Boost Converter with integrated I2C interface for advanced control and monitoring capabilities.

These alternative models offer similar functionality to the MAX14745EEWX+T but with additional features or higher specifications, providing more options for specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX14745EEWX+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX14745EEWX+T in technical solutions:

Q: What is MAX14745EEWX+T? A: MAX14745EEWX+T is a highly integrated power management IC (PMIC) designed for use in portable devices, IoT applications, and other low-power systems.
Q: What are the key features of MAX14745EEWX+T? A: Some key features of MAX14745EEWX+T include multiple voltage regulators, battery charging capability, power sequencing, GPIOs, and I2C/SPI interfaces.
Q: Can MAX14745EEWX+T be used in battery-powered devices? A: Yes, MAX14745EEWX+T is specifically designed for battery-powered devices and offers efficient power management and battery charging functionality.
Q: How many voltage regulators does MAX14745EEWX+T have? A: MAX14745EEWX+T has four integrated voltage regulators, which can provide different voltage levels required by various components in a system.
Q: Can MAX14745EEWX+T support fast charging? A: Yes, MAX14745EEWX+T supports fast charging protocols such as USB BC1.2, Apple, and Qualcomm Quick Charge, enabling faster charging times for compatible devices.
Q: Does MAX14745EEWX+T have any protection features? A: Yes, MAX14745EEWX+T includes various protection features like overvoltage protection (OVP), undervoltage lockout (UVLO), thermal shutdown, and short-circuit protection.
Q: What is the maximum input voltage supported by MAX14745EEWX+T? A: The maximum input voltage supported by MAX14745EEWX+T is typically 6.5V, making it suitable for a wide range of power sources.
Q: Can MAX14745EEWX+T be controlled using a microcontroller? A: Yes, MAX14745EEWX+T can be easily controlled and monitored using a microcontroller through its I2C or SPI interface.
Q: Is MAX14745EEWX+T suitable for low-power IoT applications? A: Absolutely! MAX14745EEWX+T is designed to provide efficient power management in low-power systems, making it well-suited for IoT applications.
Q: Are there any evaluation kits available for MAX14745EEWX+T? A: Yes, Maxim Integrated offers evaluation kits for MAX14745EEWX+T, which include the necessary hardware and software tools to evaluate its performance and features.

Please note that the answers provided here are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and application notes for detailed information.