仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Part Status | Active |
| Applications | Transformer Driver |
| Supply Current | 1.56mA |
| Voltage - Supply | 2.25V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
概要
Description
The SN6505BDBVR is a push-pull transformer driver designed by Texas Instruments, primarily used for isolated power supply applications. It operates with an input voltage range of 2.25 V to 5 V, making it suitable for low-voltage applications. The device features a regulated 5 V output voltage and can deliver up to 1.5 W of output power, which is ideal for powering isolated interfaces such as RS-485, RS-232, and CAN transceivers.
The SN6505BDBVR integrates an oscillator, power FETs, and protection features like thermal shutdown and current limit, enhancing reliability and safety. It supports a switching frequency of 450 kHz, minimizing the size of the transformer and external components.
The device is packaged in a small SOT-23 package, allowing for compact PCB designs. Its efficiency, compact size, and built-in protection features make it a versatile solution for creating isolated power supplies in industrial, automotive, and medical applications. The SN6505BDBVR simplifies the design of isolated DC-DC converters, reducing the need for extensive external components.
The SN6505BDBVR integrates an oscillator, power FETs, and protection features like thermal shutdown and current limit, enhancing reliability and safety. It supports a switching frequency of 450 kHz, minimizing the size of the transformer and external components.
The device is packaged in a small SOT-23 package, allowing for compact PCB designs. Its efficiency, compact size, and built-in protection features make it a versatile solution for creating isolated power supplies in industrial, automotive, and medical applications. The SN6505BDBVR simplifies the design of isolated DC-DC converters, reducing the need for extensive external components.
Equivalent
The SN6505BDBVR is a push-pull transformer driver commonly used for isolated power supply applications. Equivalent products include the Maxim MAX253 and MAX845, Analog Devices ADuM5000 and ADuM6000, and the Silanna ICE5QSAG. These alternatives may differ slightly in specifications such as input voltage range, frequency, and power output, so it’s important to verify compatibility with your specific application requirements.
Features
The SN6505BDBVR is a transformer driver designed for isolated power supply applications. It features a push-pull driver architecture that efficiently drives transformers, making it suitable for creating isolated power supplies from a 3.3V or 5V source. Key features include:
1. Input Voltage Range: Supports a wide input voltage range from 2.25V to 5.5V, providing flexibility for various applications.
2. Output Current: Capable of delivering up to 1.5A of peak current, enabling it to handle demanding power conversion needs.
3. Frequency: Operates at a fixed frequency of 205 kHz, optimizing the performance and size of the external components.
4. Thermal Protection: Includes over-temperature protection, ensuring reliable operation under different thermal conditions.
5. Enable/Disable Function: Offers an enable pin for easy control of the device, allowing it to be turned on or off as needed.
6. Soft Start: Features a soft-start capability to reduce inrush current, enhancing the lifespan of the components.
7. Package: Available in a small, space-saving SOT-23 package, suitable for compact designs.
These features make the SN6505BDBVR ideal for applications requiring efficient and compact isolated power supplies.
1. Input Voltage Range: Supports a wide input voltage range from 2.25V to 5.5V, providing flexibility for various applications.
2. Output Current: Capable of delivering up to 1.5A of peak current, enabling it to handle demanding power conversion needs.
3. Frequency: Operates at a fixed frequency of 205 kHz, optimizing the performance and size of the external components.
4. Thermal Protection: Includes over-temperature protection, ensuring reliable operation under different thermal conditions.
5. Enable/Disable Function: Offers an enable pin for easy control of the device, allowing it to be turned on or off as needed.
6. Soft Start: Features a soft-start capability to reduce inrush current, enhancing the lifespan of the components.
7. Package: Available in a small, space-saving SOT-23 package, suitable for compact designs.
These features make the SN6505BDBVR ideal for applications requiring efficient and compact isolated power supplies.
Pinout
The SN6505BDBVR is a transformer driver IC used for isolated power supply applications. It is manufactured by Texas Instruments and comes in a 6-pin SOT-23 package. Here is a concise description of its pin functions:
1. Pin 1 (VCC): Power supply input for the device. Connect this to the input voltage.
2. Pin 2 (GND): Ground connection for the device.
3. Pin 3 (EN): Enable input. A high signal on this pin enables the device.
4. Pin 4 (CLK): An optional external clock input. If not used, this pin can be connected to ground.
5. Pin 5 (OUTA): Transformer driver output A. Connects to one terminal of the primary winding of the transformer.
6. Pin 6 (OUTB): Transformer driver output B. Connects to the other terminal of the primary winding of the transformer.
The SN6505BDBVR is designed for high-efficiency power conversion and is commonly used in isolated DC-DC converter applications.
1. Pin 1 (VCC): Power supply input for the device. Connect this to the input voltage.
2. Pin 2 (GND): Ground connection for the device.
3. Pin 3 (EN): Enable input. A high signal on this pin enables the device.
4. Pin 4 (CLK): An optional external clock input. If not used, this pin can be connected to ground.
5. Pin 5 (OUTA): Transformer driver output A. Connects to one terminal of the primary winding of the transformer.
6. Pin 6 (OUTB): Transformer driver output B. Connects to the other terminal of the primary winding of the transformer.
The SN6505BDBVR is designed for high-efficiency power conversion and is commonly used in isolated DC-DC converter applications.
Manufacturer
The SN6505BDBVR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company. It is well known for developing analog chips and embedded processors, which are integral to a wide range of electronic devices and systems. TI’s products are used in a variety of industries, including automotive, industrial, consumer electronics, and communications equipment. The company is headquartered in Dallas, Texas, and is recognized for its innovation and contributions to the electronics industry.
Application
The SN6505BDBVR is a transformer driver designed for isolated power supply applications. It is commonly used in situations requiring efficient, compact power conversion. Key application areas include:
1. Industrial Automation: Provides isolated power for sensors and controllers.
2. Medical Equipment: Ensures patient safety by isolating power in diagnostic devices.
3. Telecommunications: Supplies isolated power in network and communication systems.
4. Renewable Energy: Used in solar inverters for isolation and power management.
5. Automotive: Supports isolated power in electronic control units and infotainment systems.
6. Consumer Electronics: Offers power isolation in devices needing safe, reliable operation.
These applications benefit from the SN6505BDBVR's efficiency, low electromagnetic interference, and robust thermal performance.
1. Industrial Automation: Provides isolated power for sensors and controllers.
2. Medical Equipment: Ensures patient safety by isolating power in diagnostic devices.
3. Telecommunications: Supplies isolated power in network and communication systems.
4. Renewable Energy: Used in solar inverters for isolation and power management.
5. Automotive: Supports isolated power in electronic control units and infotainment systems.
6. Consumer Electronics: Offers power isolation in devices needing safe, reliable operation.
These applications benefit from the SN6505BDBVR's efficiency, low electromagnetic interference, and robust thermal performance.
Package
The SN6505BDBVR is a push-pull transformer driver from Texas Instruments, typically used for isolated power supplies. It comes in a small SOT-23-6 package type, which is a 6-pin surface-mount package suitable for compact designs.
