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MP2939GQK-Z
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メーカーモノリシック電源システム（MPS）
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メーカー品番 #MP2939GQK-Z
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在庫状況4430
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Brand | Monolithic Power Systems (MPS) |
| Product Type | Switching Controllers |
| Subcategory | PMIC - Power Management ICs |
| Series | MP2939 |
| Shipping Restrictions | Mouser does not presently sell this product in your region. |
| Packaging | Reel |
| Moisture Sensitive | Yes |
| Factory Pack Quantity | 5000 |
概要
Description
The MP2939GQK-Z is a step-down voltage regulator from Monolithic Power Systems. It is designed to efficiently convert a higher input voltage into a lower output voltage, making it suitable for powering various electronic devices. This regulator features a wide input voltage range, typically from 4.5V to 28V, and can deliver output currents up to 3A.
Key specifications include adjustable output voltage, high efficiency (up to 96%), and built-in protection features such as over-current and thermal shutdown. The MP2939GQK-Z also boasts a compact size, making it ideal for space-constrained applications in consumer electronics, telecommunications, and industrial systems.
Its switching frequency can be set externally, allowing for flexibility in optimizing performance and minimizing noise. The device is packaged in a QFN-16 format, facilitating easy integration into PCB designs. Overall, the MP2939GQK-Z is a versatile and reliable choice for efficient power management in modern electronic applications.
Key specifications include adjustable output voltage, high efficiency (up to 96%), and built-in protection features such as over-current and thermal shutdown. The MP2939GQK-Z also boasts a compact size, making it ideal for space-constrained applications in consumer electronics, telecommunications, and industrial systems.
Its switching frequency can be set externally, allowing for flexibility in optimizing performance and minimizing noise. The device is packaged in a QFN-16 format, facilitating easy integration into PCB designs. Overall, the MP2939GQK-Z is a versatile and reliable choice for efficient power management in modern electronic applications.
Equivalent
The MP2939GQK-Z is a step-down (buck) voltage regulator. Equivalent products include the LM2596, TPS54331, and LMR23610. These alternatives provide similar output voltage and current capabilities, with varying efficiency and features. Always verify specific application requirements, such as input/output voltage range and thermal performance, before selecting an equivalent.
Features
The MP2939GQK-Z is a step-down (buck) voltage regulator designed to provide efficient power management in various applications. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 28V, making it suitable for various power sources.
2. Output Voltage: Adjustable output voltage range from 0.8V to 20V.
3. High Efficiency: Delivers up to 95% efficiency, reducing heat generation and improving reliability.
4. Output Current: Capable of supplying up to 3A of output current, suitable for medium-power applications.
5. Built-in Compensation: Features internal compensation for simplified design and reduced component count.
6. Thermal Protection: Includes thermal shutdown and overcurrent protection for enhanced safety.
7. Small Package: Available in a compact QFN package, enabling space-saving designs.
8. Frequency Operation: Operates at a fixed frequency of 600kHz, balancing efficiency and performance.
These features make the MP2939GQK-Z suitable for applications in consumer electronics, industrial systems, and automotive electronics.
1. Input Voltage Range: Supports a wide input voltage range from 4.5V to 28V, making it suitable for various power sources.
2. Output Voltage: Adjustable output voltage range from 0.8V to 20V.
3. High Efficiency: Delivers up to 95% efficiency, reducing heat generation and improving reliability.
4. Output Current: Capable of supplying up to 3A of output current, suitable for medium-power applications.
5. Built-in Compensation: Features internal compensation for simplified design and reduced component count.
6. Thermal Protection: Includes thermal shutdown and overcurrent protection for enhanced safety.
7. Small Package: Available in a compact QFN package, enabling space-saving designs.
8. Frequency Operation: Operates at a fixed frequency of 600kHz, balancing efficiency and performance.
These features make the MP2939GQK-Z suitable for applications in consumer electronics, industrial systems, and automotive electronics.
Pinout
The MP2939GQK-Z is a step-down (buck) regulator from Monolithic Power Systems. It features a 20-pin QFN (Quad Flat No-lead) package.
Key functions of the pins include:
1. VIN: Input voltage supply.
2. VOUT: Output voltage feedback.
3. GND: Ground reference.
4. SW: Switch node for the inductor.
5. COMP: Compensation network for controlling stability.
6. FB: Feedback voltage input.
7. EN: Enable pin to turn the device on/off.
8. SS: Soft-start function for controlled power-up.
9. PG: Power good indicator.
10. LIM: Current limit pin.
11. RT: Frequency setting resistor or pin.
12. ISEN: Current sensing for overcurrent protection.
The MP2939GQK-Z is designed for high efficiency and compact design, suitable for a variety of applications such as power management in portable devices.
Key functions of the pins include:
1. VIN: Input voltage supply.
2. VOUT: Output voltage feedback.
3. GND: Ground reference.
4. SW: Switch node for the inductor.
5. COMP: Compensation network for controlling stability.
6. FB: Feedback voltage input.
7. EN: Enable pin to turn the device on/off.
8. SS: Soft-start function for controlled power-up.
9. PG: Power good indicator.
10. LIM: Current limit pin.
11. RT: Frequency setting resistor or pin.
12. ISEN: Current sensing for overcurrent protection.
The MP2939GQK-Z is designed for high efficiency and compact design, suitable for a variety of applications such as power management in portable devices.
Manufacturer
The MP2939GQK-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a semiconductor company that specializes in developing high-performance power management solutions and integrated circuits. Founded in 1997 and headquartered in San Jose, California, MPS focuses on providing innovative power solutions for a wide range of applications, including automotive, industrial, consumer electronics, and telecommunications.
The company's product portfolio includes voltage regulators, DC-DC converters, LED drivers, and motor drivers, among others. MPS is recognized for its commitment to quality, efficiency, and reliability in power management, catering to the needs of various industries with cutting-edge technologies and design expertise.
The company's product portfolio includes voltage regulators, DC-DC converters, LED drivers, and motor drivers, among others. MPS is recognized for its commitment to quality, efficiency, and reliability in power management, catering to the needs of various industries with cutting-edge technologies and design expertise.
Application
The MP2939GQK-Z is a high-efficiency, step-down DC-DC converter primarily used in applications such as power management for portable devices, consumer electronics, battery-powered equipment, and telecommunications. Its features make it suitable for powering microcontrollers, sensors, and other low-voltage circuits in automotive, industrial, and IoT applications. The converter’s compact design and ability to deliver low output ripple voltage also make it ideal for RF and audio applications, ensuring stable power supply for sensitive electronics.
Package
The MP2939GQK-Z is packaged in a QFN (Quad Flat No-lead) format, specifically in a 16-pin configuration. This compact package design is suitable for space-constrained applications, providing efficient thermal performance and electrical characteristics.