規格
| 屬性 | 價值 |
| 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) | 5V |
| Voltage - Input (Max) | 22V |
| Voltage - Output (Min/Fixed) | 0.604V |
| Voltage - Output (Max) | 5.5V |
| Current - Output | 6A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
概述
Description
The NB671GQ-Z is a high-performance, compact DC-DC buck converter. This device is designed for step-down voltage conversion with efficiency and reliability in mind. It typically features a wide input voltage range, making it suitable for various applications, including telecommunications, industrial electronics, and consumer electronics.
Key features of the NB671GQ-Z include high efficiency, often above 90%, which helps in reducing power loss and heat generation. It also offers a high switching frequency, which contributes to a smaller solution size by allowing the use of smaller inductors and capacitors. Furthermore, the converter includes protection features such as over-current protection, thermal shutdown, and under-voltage lockout to ensure safe and reliable operation.
The NB671GQ-Z is often praised for its ease of integration into designs due to its small footprint and robust performance. This makes it an ideal choice for designers looking to optimize power conversion in space-constrained applications. Overall, the NB671GQ-Z is valued for its efficiency, reliability, and compact design.
Key features of the NB671GQ-Z include high efficiency, often above 90%, which helps in reducing power loss and heat generation. It also offers a high switching frequency, which contributes to a smaller solution size by allowing the use of smaller inductors and capacitors. Furthermore, the converter includes protection features such as over-current protection, thermal shutdown, and under-voltage lockout to ensure safe and reliable operation.
The NB671GQ-Z is often praised for its ease of integration into designs due to its small footprint and robust performance. This makes it an ideal choice for designers looking to optimize power conversion in space-constrained applications. Overall, the NB671GQ-Z is valued for its efficiency, reliability, and compact design.
Equivalent
The NB671GQ-Z is a DC-DC buck converter from Navitas Semiconductor. For equivalent products, consider looking at similar buck converters with comparable specifications from manufacturers like Texas Instruments, Analog Devices, or Maxim Integrated. For example, you might find equivalents such as the TPS54331 from Texas Instruments or the ADP2300 from Analog Devices. Always compare key parameters like input voltage, output current, efficiency, and package type to ensure compatibility.
Features
The NB671GQ-Z is a high-frequency, synchronous step-down converter designed for efficient power management in electronic systems. Key features include:
1. Wide Input Voltage Range: This converter supports a broad input voltage range, making it versatile for various applications.
2. High Efficiency: It operates with high efficiency, minimizing power loss and improving battery life in portable devices.
3. Compact Package: The device comes in a compact package, ideal for space-constrained applications.
4. Fast Transient Response: With rapid response to changes in load, it provides stable voltage output.
5. Adjustable Output Voltage: Users can customize the output voltage to suit specific requirements.
6. Protection Features: It includes built-in protections against overcurrent, overvoltage, and thermal issues, enhancing reliability.
7. Low Standby Current: The low quiescent current helps reduce power consumption when the device is in standby mode.
8. Synchronous Rectification: This feature improves efficiency by reducing power dissipation in the rectifier stage.
These characteristics make the NB671GQ-Z suitable for a range of applications, including consumer electronics, telecommunications, and industrial control systems.
1. Wide Input Voltage Range: This converter supports a broad input voltage range, making it versatile for various applications.
2. High Efficiency: It operates with high efficiency, minimizing power loss and improving battery life in portable devices.
3. Compact Package: The device comes in a compact package, ideal for space-constrained applications.
4. Fast Transient Response: With rapid response to changes in load, it provides stable voltage output.
5. Adjustable Output Voltage: Users can customize the output voltage to suit specific requirements.
6. Protection Features: It includes built-in protections against overcurrent, overvoltage, and thermal issues, enhancing reliability.
7. Low Standby Current: The low quiescent current helps reduce power consumption when the device is in standby mode.
8. Synchronous Rectification: This feature improves efficiency by reducing power dissipation in the rectifier stage.
These characteristics make the NB671GQ-Z suitable for a range of applications, including consumer electronics, telecommunications, and industrial control systems.
Pinout
The NB671GQ-Z is a high-efficiency, synchronous step-down DC-DC converter. It typically features a 16-pin QFN (Quad Flat No-leads) package. Here is a concise overview of its pin functions:
1. SW (Switch Node): Connects to the inductor and is the output of the high-side switch.
2. PG (Power Good): Open-drain output. It indicates when the output voltage is within a certain range.
3. EN (Enable): Controls the on/off state of the converter.
4. FB (Feedback): Connects to an external resistor divider to set the output voltage.
5. SS (Soft Start): Connects an external capacitor to control the ramp-up time of the output.
6. COMP (Compensation): Connects to an external RC network to stabilize the control loop.
7. VIN (Input Voltage): Supplies power to the device.
8. VCC: Outputs a regulated voltage to power internal circuitry.
9. GND (Ground): Common ground reference for the device.
10. BST (Bootstrap): Provides voltage to the high-side gate driver.
11. NC (No Connect): Not internally connected, typically left unconnected.
This is a general overview, and it’s always best to refer to the specific datasheet for detailed pin and function descriptions.
1. SW (Switch Node): Connects to the inductor and is the output of the high-side switch.
2. PG (Power Good): Open-drain output. It indicates when the output voltage is within a certain range.
3. EN (Enable): Controls the on/off state of the converter.
4. FB (Feedback): Connects to an external resistor divider to set the output voltage.
5. SS (Soft Start): Connects an external capacitor to control the ramp-up time of the output.
6. COMP (Compensation): Connects to an external RC network to stabilize the control loop.
7. VIN (Input Voltage): Supplies power to the device.
8. VCC: Outputs a regulated voltage to power internal circuitry.
9. GND (Ground): Common ground reference for the device.
10. BST (Bootstrap): Provides voltage to the high-side gate driver.
11. NC (No Connect): Not internally connected, typically left unconnected.
This is a general overview, and it’s always best to refer to the specific datasheet for detailed pin and function descriptions.
Manufacturer
The NB671GQ-Z is manufactured by Novatek Microelectronics Corp. Novatek is a Taiwanese company that specializes in designing and developing integrated circuits (ICs) for various applications. This includes display driver ICs, power management ICs, and other integrated circuit solutions used in consumer electronics, such as smartphones, tablets, televisions, and other display-oriented devices. Novatek is known for its innovation in display technologies and plays a significant role in the electronics supply chain, focusing on providing high-performance and cost-effective semiconductor solutions.
Application
The NB671GQ-Z is a step-down (buck) converter IC commonly used in various electronic applications. Its primary application areas include powering systems in consumer electronics, such as laptops, tablets, and smartphones, where efficient voltage regulation is essential. It is also utilized in industrial and automotive electronics for powering microcontrollers, sensors, and communication modules. The IC's ability to provide high current output while maintaining efficiency makes it suitable for applications requiring compact power solutions with minimal heat generation. Additionally, its wide input voltage range and protection features make it versatile for use in battery-powered devices and embedded systems across various industries.
Package
The package type of NB671GQ-Z is QFN (Quad Flat No-leads), which is a surface-mount integrated circuit package designed to have no external leads, providing a compact and efficient footprint for circuit boards.
