仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Function | Current Regulator |
| Sensing Method | High/Low-Side |
| Accuracy | ±10% |
| Voltage - Input | 45V |
| Current - Output | 30mA |
| Operating Temperature | -55°C ~ 150°C |
| Mounting Type | Surface Mount |
概要
Description
The NSI45030AT1G is a constant current regulator (CCR) designed for driving LEDs with a consistent current. It is intended to provide simple and efficient regulation without the need for external components, which makes it suitable for cost-sensitive applications. The device typically supports an output current of around 30 mA. It operates over a wide range of input voltages and is designed to offer protection features such as thermal shutdown, which helps safeguard against excessive temperature conditions. The NSI45030AT1G is commonly used in applications like signage, automotive lighting, and general-purpose lighting where stable LED performance is required. It comes in a compact package, which facilitates easy integration into various circuit designs. Its simplicity and reliability make it a popular choice for LED driving applications where size, efficiency, and cost are critical factors.
Equivalent
The NSI45030AT1G chip is a constant current regulator from ON Semiconductor. Equivalent products might include similar constant current regulators from other manufacturers, such as the BCR402R from Infineon or the CL2 from Microchip Technology. When searching for alternatives, ensure the replacements have similar current regulation, voltage ratings, and package type to match the NSI45030AT1G's specifications. Always verify compatibility with your specific application requirements.
Features
The NSI45030AT1G is a constant current regulator designed for automotive and general lighting applications. Key features include:
1. Current Regulation: It provides a fixed output current, typically around 30mA, ensuring consistent illumination levels in LED applications.
2. Wide Input Voltage Range: The device can operate over a broad range of input voltages, making it versatile for various power supply conditions.
3. Thermal Protection: Integrated thermal shutdown feature prevents damage due to overheating, enhancing reliability.
4. Overvoltage Protection: Safeguards the device and connected components from voltage spikes.
5. Compact Package: Available in a small package, which is ideal for space-constrained applications.
6. Automotive-Grade: Qualified for automotive use, meaning it can withstand the demanding environmental conditions found in vehicles.
7. Simple Design: Requires minimal external components, simplifying the design and reducing costs.
These features make the NSI45030AT1G suitable for applications needing efficient, reliable, and stable current regulation, especially in LED lighting systems.
1. Current Regulation: It provides a fixed output current, typically around 30mA, ensuring consistent illumination levels in LED applications.
2. Wide Input Voltage Range: The device can operate over a broad range of input voltages, making it versatile for various power supply conditions.
3. Thermal Protection: Integrated thermal shutdown feature prevents damage due to overheating, enhancing reliability.
4. Overvoltage Protection: Safeguards the device and connected components from voltage spikes.
5. Compact Package: Available in a small package, which is ideal for space-constrained applications.
6. Automotive-Grade: Qualified for automotive use, meaning it can withstand the demanding environmental conditions found in vehicles.
7. Simple Design: Requires minimal external components, simplifying the design and reducing costs.
These features make the NSI45030AT1G suitable for applications needing efficient, reliable, and stable current regulation, especially in LED lighting systems.
Pinout
The NSI45030AT1G is a constant current regulator designed by ON Semiconductor for driving LEDs. It is available in a SOD-123 package. This device is primarily used for maintaining a consistent current to LEDs to ensure uniform brightness and performance.
The NSI45030AT1G has 2 pins:
1. Anode (Input): This pin is connected to the positive side of the power supply.
2. Cathode (Output): This pin is connected to the load, typically an LED or a series of LEDs.
The primary function of the NSI45030AT1G is to provide a stable current output of approximately 30 mA, with a typical output voltage range that can accommodate standard forward voltages of LEDs. The device offers the advantage of protecting LEDs from variations in the supply voltage and is also thermally protected to prevent damage from overheating.
The NSI45030AT1G has 2 pins:
1. Anode (Input): This pin is connected to the positive side of the power supply.
2. Cathode (Output): This pin is connected to the load, typically an LED or a series of LEDs.
The primary function of the NSI45030AT1G is to provide a stable current output of approximately 30 mA, with a typical output voltage range that can accommodate standard forward voltages of LEDs. The device offers the advantage of protecting LEDs from variations in the supply voltage and is also thermally protected to prevent damage from overheating.
Manufacturer
The NSI45030AT1G is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a leading semiconductor company that designs and manufactures a wide range of energy-efficient solutions for electronics. The company focuses on providing innovative semiconductor solutions for various industries, including automotive, industrial, communications, computing, and consumer electronics. Onsemi is known for its expertise in power management, analog devices, and sensor technologies, and it offers a broad portfolio of products that enable customers to improve energy efficiency, reduce costs, and enhance performance in their applications.
Application
The NSI45030AT1G is a constant current regulator primarily used in LED lighting applications. It is designed to provide a stable current output, ensuring consistent brightness and performance in LED circuits. Key application areas include:
1. LED Driver Circuits: Used for driving and maintaining uniform current in LED arrays.
2. Backlighting: Suitable for LED backlighting in displays and screens.
3. Architectural Lighting: Ensures uniform lighting in architectural designs.
4. Automotive Lighting: Used in automotive LED lighting systems for headlights and interior lights.
5. Signage and Display Lighting: Provides reliable current for LED signage and display panels.
Its robust design allows it to be used in various environments and applications requiring efficient LED operation.
1. LED Driver Circuits: Used for driving and maintaining uniform current in LED arrays.
2. Backlighting: Suitable for LED backlighting in displays and screens.
3. Architectural Lighting: Ensures uniform lighting in architectural designs.
4. Automotive Lighting: Used in automotive LED lighting systems for headlights and interior lights.
5. Signage and Display Lighting: Provides reliable current for LED signage and display panels.
Its robust design allows it to be used in various environments and applications requiring efficient LED operation.
Package
The NSI45030AT1G is typically housed in a SOT-223 package. This package type is used for surface mount technology and is designed for medium power applications, providing a balance between size and thermal performance.
