Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.8V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 6A |
| Frequency - Switching | 1.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Overview
Description
The MP2145GD-Z is a high-efficiency, synchronous, step-down, DC-DC converter designed for compact and demanding applications. It integrates both high-side and low-side power MOSFETs, ensuring efficient power conversion and minimizing external component count. Operating over a wide input voltage range, the MP2145GD-Z is ideal for battery-powered and portable devices.
This converter offers a fixed output voltage with excellent load and line regulation, capable of delivering up to 1.2A of continuous output current. It features a low dropout mode and can achieve high efficiency across various load conditions. The MP2145GD-Z includes protections such as over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown, enhancing reliability.
The compact packaging and minimal external component requirements make it suitable for space-constrained applications. Its easy-to-use design facilitates rapid development and integration. Overall, the MP2145GD-Z serves as a versatile and efficient solution for powering microcontrollers, FPGAs, and other digital circuits in modern electronic devices.
This converter offers a fixed output voltage with excellent load and line regulation, capable of delivering up to 1.2A of continuous output current. It features a low dropout mode and can achieve high efficiency across various load conditions. The MP2145GD-Z includes protections such as over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown, enhancing reliability.
The compact packaging and minimal external component requirements make it suitable for space-constrained applications. Its easy-to-use design facilitates rapid development and integration. Overall, the MP2145GD-Z serves as a versatile and efficient solution for powering microcontrollers, FPGAs, and other digital circuits in modern electronic devices.
Equivalent
The MP2145GD-Z is a monolithic step-down switch mode converter IC produced by MPS (Monolithic Power Systems). Equivalent products would generally have similar functionality and specifications, like output current capability and input voltage range. Potential equivalents might include:
1. TPS62130 from Texas Instruments
2. LM3671 from Texas Instruments
3. RT7272A from Richtek
4. SY8089 from Silergy
Always compare specific datasheets to ensure compatibility in your application.
1. TPS62130 from Texas Instruments
2. LM3671 from Texas Instruments
3. RT7272A from Richtek
4. SY8089 from Silergy
Always compare specific datasheets to ensure compatibility in your application.
Features
The MP2145GD-Z is a monolithic step-down switch mode converter designed to deliver high efficiency in compact applications. Key features include:
1. Input Voltage Range: Operates with an input voltage from 2.7V to 5.5V, suitable for standard battery configurations.
2. Output Voltage: Adjustable output voltage down to 0.6V, allowing flexibility for various applications.
3. Output Current: Capable of delivering up to 1A of continuous output current, supporting a wide range of devices.
4. Integrated Power MOSFETs: Features internal high-side and low-side MOSFETs to minimize the need for external components and enhance efficiency.
5. Switching Frequency: Operates at a constant switching frequency of 1.5MHz, optimizing size and efficiency.
6. Efficiency: High efficiency up to 97%, reducing power loss and heat generation.
7. Protection Features: Includes over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown to ensure reliability under various conditions.
8. Package: Available in a compact TSOT-23-8 package, making it suitable for space-constrained designs.
These features make the MP2145GD-Z a versatile and efficient choice for power regulation in portable and battery-powered devices.
1. Input Voltage Range: Operates with an input voltage from 2.7V to 5.5V, suitable for standard battery configurations.
2. Output Voltage: Adjustable output voltage down to 0.6V, allowing flexibility for various applications.
3. Output Current: Capable of delivering up to 1A of continuous output current, supporting a wide range of devices.
4. Integrated Power MOSFETs: Features internal high-side and low-side MOSFETs to minimize the need for external components and enhance efficiency.
5. Switching Frequency: Operates at a constant switching frequency of 1.5MHz, optimizing size and efficiency.
6. Efficiency: High efficiency up to 97%, reducing power loss and heat generation.
7. Protection Features: Includes over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown to ensure reliability under various conditions.
8. Package: Available in a compact TSOT-23-8 package, making it suitable for space-constrained designs.
These features make the MP2145GD-Z a versatile and efficient choice for power regulation in portable and battery-powered devices.
Pinout
The MP2145GD-Z is a monolithic step-down switch-mode converter with a pin count of 8. It is designed to achieve high-efficiency and compact size in power management applications. The key functions of its pins are as follows:
1. SW (Switch): This pin connects to the inductor and is the output of the internal power switch.
2. IN (Input Voltage): Supply voltage to the chip; it powers the internal circuitry.
3. GND (Ground): Ground reference for the device.
4. FB (Feedback): Receives voltage feedback from the output to regulate the output voltage.
5. EN (Enable): Used to enable or disable the device. A high level enables the device, while a low level disables it.
6. PG (Power Good): An open-drain output that indicates if the output voltage is within regulation.
7. SS (Soft Start): Allows for soft start by connecting an external capacitor to control the ramp-up time of the output voltage.
8. BST (Bootstrap): Supplies voltage to the high-side gate driver.
These pins collectively enable the MP2145GD-Z to efficiently convert higher input voltages to lower output voltages while maintaining a compact form factor.
1. SW (Switch): This pin connects to the inductor and is the output of the internal power switch.
2. IN (Input Voltage): Supply voltage to the chip; it powers the internal circuitry.
3. GND (Ground): Ground reference for the device.
4. FB (Feedback): Receives voltage feedback from the output to regulate the output voltage.
5. EN (Enable): Used to enable or disable the device. A high level enables the device, while a low level disables it.
6. PG (Power Good): An open-drain output that indicates if the output voltage is within regulation.
7. SS (Soft Start): Allows for soft start by connecting an external capacitor to control the ramp-up time of the output voltage.
8. BST (Bootstrap): Supplies voltage to the high-side gate driver.
These pins collectively enable the MP2145GD-Z to efficiently convert higher input voltages to lower output voltages while maintaining a compact form factor.
Manufacturer
The MP2145GD-Z is manufactured by Monolithic Power Systems (MPS). MPS is a company that specializes in the design and production of high-performance power solutions. They focus on providing cutting-edge semiconductor technologies for power management applications. MPS products are used in a variety of applications, including consumer electronics, industrial applications, computing and storage, telecommunications, and automotive markets. The company is known for its innovative approach to power management, integrating advanced process technologies with system-level solutions to improve efficiency, performance, and reliability.
Application
The MP2145GD-Z is a step-down (buck) converter IC, commonly used in various electronic applications. Its primary application areas include power management in consumer electronics, telecommunications, and industrial equipment. It is ideal for use in portable devices, Internet of Things (IoT) gadgets, and battery-powered equipment due to its high efficiency and compact size. Additionally, the MP2145GD-Z is often used in applications requiring efficient voltage regulation, such as point-of-load converters, distributed power systems, and LED drivers. Its wide input voltage range and reliable performance make it suitable for diverse environments and applications.
Package
The MP2145GD-Z is typically available in a QFN (Quad Flat No-leads) package, which is known for its compact size and efficient heat dissipation, making it suitable for space-constrained applications.
