MP2144GJ-Z

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MP2144GJ-Z

IC REG BUCK ADJ 2A TSOT23-8

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Not For New Designs
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.5V
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 0.6V
Voltage-Output(Max) 5V
Current-Output 2A
Frequency-Switching 1.2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case SOT-23-8 Thin, TSOT-23-8

概述

Description

The MP2144GJ-Z is a monolithic step-down switch mode converter designed for efficient power management in electronic devices. It integrates a 0.14Ω high-side power MOSFET, providing an output current of up to 4A from a 2.7V to 5.5V input range, making it suitable for battery-powered applications. The converter utilizes constant-on-time (COT) control for fast transient response and requires minimal external components, enhancing compactness and reducing overall solution cost.
Its key features include a high switching frequency of up to 2.2MHz, which allows for the use of smaller inductor and capacitor sizes. The MP2144GJ-Z supports fixed output voltages ranging from 0.6V to 0.9V, and its adjustable version can be set from 0.6V with external resistors. Additionally, it offers comprehensive protection features such as over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown to ensure reliability in various operating conditions.
The device is available in a compact QFN package, which is well-suited for space-constrained applications. Its efficient performance and robust protection features make it ideal for smartphones, tablets, and other portable electronic devices.

Features

The MP2144GJ-Z is a monolithic, step-down, switch-mode converter with built-in internal power MOSFETs. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 2.5V to 5.5V, making it suitable for low-voltage applications.

2. Output Current: Capable of delivering up to 2A of continuous output current.
3. Efficiency: High efficiency due to its synchronous rectification architecture, which minimizes power loss and enhances performance.
4. Switching Frequency: Typically operates at a 1.5MHz fixed switching frequency, allowing for smaller external components and a compact solution size.
5. Control Mode: Utilizes a constant-on-time (COT) control mode for a fast transient response and simplified loop stabilization.
6. Protection Features: Includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to enhance reliability and protect the device under fault conditions.
7. Package: Available in a tiny, low-profile TSOT23-8 package, ideal for space-constrained applications.
These features make the MP2144GJ-Z suitable for portable electronics, battery-powered devices, and other applications requiring efficient power conversion in a small form factor.

Package

The MP2144GJ-Z is typically offered in a SOT563 package, which is a compact, surface-mount package suitable for space-constrained applications.

Pinout

The MP2144GJ-Z is a monolithic step-down switch mode converter with built-in internal power MOSFETs. It is designed for applications requiring a compact solution with high efficiency. The device is housed in a 6-pin TSOT23 package. The pin functions are as follows:
1. SW: This is the switch output. It connects to the inductor and is part of the power path that drives the load.
2. GND: Ground pin. It is the reference point for the circuit and is used for both signal and power grounds.
3. FB: Feedback pin. It is used to set the output voltage by connecting to a resistor divider network.
4. EN: Enable pin. This pin is used to turn the device on or off.
5. VIN: Input voltage pin. It supplies power to the device and connects to the input power source.
6. BST: Bootstrap pin. It is used to drive the gate of the high-side power MOSFET.
These pins collectively allow the MP2144GJ-Z to efficiently step down input voltage to a lower output voltage suitable for the application.

Manufacturer

The MP2144GJ-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that designs and provides high-performance, integrated power solutions. They focus on developing energy-efficient power management systems for a variety of applications, including automotive, industrial, cloud computing, telecom infrastructures, and consumer electronics. MPS is known for its innovative approach to design and manufacturing, aiming to offer products that enhance performance while reducing energy consumption.

Application

The MP2144GJ-Z is a monolithic step-down switch mode converter designed for various applications. Its primary application areas include portable devices, battery-powered equipment, distributed power systems, and consumer electronics. The device is ideal for applications requiring efficient power conversion and compact design, such as smartphones, tablets, and other handheld devices. Its high efficiency and reliability make it suitable for use in systems requiring stable power supply from compact and lightweight components.

Equivalent

The MP2144GJ-Z is a monolithic step-down switch-mode converter from Monolithic Power Systems. Equivalent products from other manufacturers might include the TPS62160 from Texas Instruments, the LM3671 from Texas Instruments (previously from National Semiconductor), and the LT1765 from Analog Devices (previously Linear Technology). These equivalents offer similar features like step-down conversion, integrated switches, and efficiency suitable for various applications. However, specific parameters such as input voltage range, output current, and package type should be compared to ensure compatibility.

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