Thông số kỹ thuật
| thuộc tính | Giá trị |
| 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) | 2.85V |
| Voltage - Input (Max) | 16V |
| Voltage - Output (Min/Fixed) | 0.6V |
| Voltage - Output (Max) | 6V |
| Current - Output | 6A |
| Frequency - Switching | 600kHz ~ 2.2MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The MPQ8626GD-Z is a high-frequency, synchronous, step-down, DC-DC converter designed for efficient power management in electronic systems. It typically operates using a wide input voltage range and is capable of delivering a high output current, making it suitable for a variety of applications such as networking, telecommunications, and industrial power systems. Key features include a low quiescent current, high efficiency, and fast transient response, which help in minimizing power loss and heat generation. The device integrates top and bottom MOSFETs to enhance performance and reduce external component count. It often includes protection features such as over-current protection, over-voltage protection, and thermal shutdown to ensure robust operation. The MPQ8626GD-Z uses a constant-on-time (COT) control mode which provides fast load transient response with minimal output capacitance. It also supports synchronization to an external clock to minimize interference in multi-phase applications. The compact package design of the MPQ8626GD-Z facilitates space-saving solutions in dense electronic assemblies.
Equivalent
The MPQ8626GD-Z is a step-down DC-DC converter. Equivalent products from other manufacturers might include:
1. Texas Instruments LM22676: A step-down voltage regulator with similar capabilities.
2. Analog Devices ADP2303: A step-down regulator with comparable features.
3. Maxim Integrated MAX17504: Offers similar functionality in terms of DC-DC conversion.
Ensure to verify specific electrical characteristics and packaging to confirm compatibility with your project requirements.
1. Texas Instruments LM22676: A step-down voltage regulator with similar capabilities.
2. Analog Devices ADP2303: A step-down regulator with comparable features.
3. Maxim Integrated MAX17504: Offers similar functionality in terms of DC-DC conversion.
Ensure to verify specific electrical characteristics and packaging to confirm compatibility with your project requirements.
Features
The MPQ8626GD-Z is a high-frequency, synchronous step-down switching regulator designed for automotive applications. Key features include:
1. Input Voltage Range: Operates over a wide input voltage range, typically from 3.3V to 36V, accommodating a variety of applications.
2. Output Current: Delivers up to 2A continuous output current, making it suitable for various power requirements.
3. Efficiency: High efficiency across load conditions due to synchronous rectification, reducing heat and improving performance.
4. Frequency: Features a fixed 2MHz switching frequency, allowing for smaller external components and a compact design.
5. Protection: Incorporates multiple protection features such as cycle-by-cycle current limiting, thermal shutdown, and output short-circuit protection for robust operation.
6. Low Dropout Mode: Supports low dropout mode for maintaining regulation at low input voltages.
7. Package: Available in a compact, thermally enhanced QFN-15 (3mm x 3mm) package, facilitating efficient thermal management and space-saving designs.
8. Automotive Qualified: AEC-Q100 qualified, ensuring reliability and performance in automotive environments.
These features make the MPQ8626GD-Z well-suited for automotive and high-performance applications requiring efficient power conversion.
1. Input Voltage Range: Operates over a wide input voltage range, typically from 3.3V to 36V, accommodating a variety of applications.
2. Output Current: Delivers up to 2A continuous output current, making it suitable for various power requirements.
3. Efficiency: High efficiency across load conditions due to synchronous rectification, reducing heat and improving performance.
4. Frequency: Features a fixed 2MHz switching frequency, allowing for smaller external components and a compact design.
5. Protection: Incorporates multiple protection features such as cycle-by-cycle current limiting, thermal shutdown, and output short-circuit protection for robust operation.
6. Low Dropout Mode: Supports low dropout mode for maintaining regulation at low input voltages.
7. Package: Available in a compact, thermally enhanced QFN-15 (3mm x 3mm) package, facilitating efficient thermal management and space-saving designs.
8. Automotive Qualified: AEC-Q100 qualified, ensuring reliability and performance in automotive environments.
These features make the MPQ8626GD-Z well-suited for automotive and high-performance applications requiring efficient power conversion.
Pinout
The MPQ8626GD-Z is a monolithic step-down switch-mode converter with an integrated high-side and low-side power MOSFET. The device is designed by Monolithic Power Systems (MPS) for high-efficiency conversion in a compact size. It typically features a 20-pin configuration. The primary functions of the MPQ8626GD-Z include:
1. Step-Down Conversion: Converts a higher input voltage to a lower output voltage efficiently.
2. Synchronous Rectification: Improves efficiency by using an integrated low-side MOSFET.
3. Adjustable Switching Frequency: Allows for optimization of efficiency and performance based on specific application needs.
4. Precision Reference: Provides a stable output voltage with a high degree of accuracy.
5. Protection Features: Includes over-current protection, over-voltage protection, and thermal shutdown to ensure safe operation under various conditions.
The MPQ8626GD-Z is typically used in applications requiring efficient power conversion with a small footprint, such as computing, telecommunications, and industrial equipment.
1. Step-Down Conversion: Converts a higher input voltage to a lower output voltage efficiently.
2. Synchronous Rectification: Improves efficiency by using an integrated low-side MOSFET.
3. Adjustable Switching Frequency: Allows for optimization of efficiency and performance based on specific application needs.
4. Precision Reference: Provides a stable output voltage with a high degree of accuracy.
5. Protection Features: Includes over-current protection, over-voltage protection, and thermal shutdown to ensure safe operation under various conditions.
The MPQ8626GD-Z is typically used in applications requiring efficient power conversion with a small footprint, such as computing, telecommunications, and industrial equipment.
Manufacturer
The MPQ8626GD-Z is manufactured by Monolithic Power Systems (MPS). MPS is a semiconductor company that specializes in designing, developing, and selling high-performance power management solutions. They provide a wide range of products, including DC/DC converters, LED drivers, and power modules, serving various industries such as automotive, industrial, computing, and consumer electronics. MPS is known for its commitment to energy efficiency and innovative power solutions.
Application
The MPQ8626GD-Z is a step-down converter commonly used in a variety of applications, including telecommunications, networking systems, industrial equipment, and computing devices. Its high efficiency and compact design make it suitable for power management in servers, storage systems, and base stations. Additionally, it is used in distributed power architectures and point-of-load applications where precise voltage regulation is required. The MPQ8626GD-Z's ability to handle high currents and provide stable output voltages makes it ideal for powering FPGAs, ASICs, and other digital ICs in complex electronic systems.
Package
The MPQ8626GD-Z is typically available in a QFN (Quad Flat No-lead) package type. This package is known for its compact size and efficient thermal performance, making it suitable for high-density applications.
