MAX14728EWV+T

Product Overview

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

Specifications

Input Voltage Range: 2.7V to 5.5V
Output Voltage Range: 0.8V to 3.6V
Maximum Output Current: 1.5A
Quiescent Current: 25µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX14728EWV+T has a total of 20 pins. The pin configuration is as follows:

VIN: Input Voltage
EN: Enable Control
VOUT: Output Voltage
GND: Ground
PGND: Power Ground
BST: Boost Converter Input
LX: Inductor Connection
FB: Feedback Voltage
SS: Soft-Start Capacitor
AGND: Analog Ground
ISET: Output Current Set
ILIM: Current Limit
VDD: Digital Supply Voltage
SDA: I²C Serial Data
SCL: I²C Serial Clock
INT: Interrupt Output
IRQ: Interrupt Request
RST: Reset Input
NC: No Connect
NC: No Connect

Functional Features

Integrated Boost Converter and LDO Regulator
Low Dropout Voltage
Overcurrent Protection
Thermal Shutdown Protection
I²C Interface for Configuration and Monitoring

Advantages and Disadvantages

Advantages

High Efficiency Power Conversion
Wide Input Voltage Range
Compact Wafer Level Package
Low Quiescent Current

Disadvantages

Limited Maximum Output Current
Requires External Components for Operation

Working Principles

The MAX14728EWV+T is a power management IC designed to efficiently regulate the power supply for portable devices. It incorporates a boost converter and an LDO regulator to provide stable output voltages for various components within the device.

The boost converter takes the input voltage and steps it up to a higher voltage level, which is then regulated by the LDO regulator to provide a clean and stable output voltage. The IC also includes overcurrent protection and thermal shutdown features to ensure safe operation.

The device can be configured and monitored through an I²C interface, allowing for customization of various parameters such as output voltage and current limit.

Detailed Application Field Plans

The MAX14728EWV+T is suitable for a wide range of portable devices, including smartphones, tablets, portable media players, and handheld gaming consoles. It can be used to regulate the power supply for various components such as microprocessors, memory modules, display panels, and wireless communication modules.

Detailed and Complete Alternative Models

MAX14729EWV+T
MAX14730EWV+T
MAX14731EWV+T
MAX14732EWV+T
MAX14733EWV+T

These alternative models offer similar functionality and characteristics, providing options for different power requirements and package sizes.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MAX14728EWV+T v technických řešeních

Sure! Here are 10 common questions and answers related to the application of MAX14728EWV+T in technical solutions:

Q: What is MAX14728EWV+T? A: MAX14728EWV+T is a highly integrated power management IC (PMIC) designed for use in portable devices, such as smartphones or tablets.
Q: What are the key features of MAX14728EWV+T? A: Some key features of MAX14728EWV+T include multiple voltage regulators, battery charging capabilities, power sequencing, and various protection functions.
Q: Can MAX14728EWV+T support multiple voltage rails? A: Yes, MAX14728EWV+T supports multiple voltage rails, making it suitable for powering different components within a device.
Q: Does MAX14728EWV+T have built-in battery charging capabilities? A: Yes, MAX14728EWV+T includes a battery charger with support for various battery chemistries, such as Li-ion, Li-polymer, or NiMH.
Q: Can MAX14728EWV+T handle power sequencing requirements? A: Yes, MAX14728EWV+T has built-in power sequencing capabilities, allowing for proper startup and shutdown sequences of different power domains.
Q: What protection functions does MAX14728EWV+T offer? A: MAX14728EWV+T provides protection against overvoltage, undervoltage, overcurrent, and overtemperature conditions, ensuring safe operation of the device.
Q: Is MAX14728EWV+T programmable? A: Yes, MAX14728EWV+T can be programmed through an I2C interface, allowing for customization of various parameters and settings.
Q: What is the input voltage range supported by MAX14728EWV+T? A: The input voltage range of MAX14728EWV+T is typically between 2.7V and 5.5V, making it compatible with a wide range of power sources.
Q: Can MAX14728EWV+T operate in low-power modes? A: Yes, MAX14728EWV+T supports various low-power modes, enabling efficient power management and extending battery life in portable devices.
Q: Is MAX14728EWV+T suitable for automotive applications? A: No, MAX14728EWV+T is not specifically designed for automotive applications. It is primarily intended for use in portable consumer electronics.

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