Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | D-CAP2™, Eco-Mode™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.765V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 6A |
| Frequency-Switching | 650kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Tổng quan
Description
The TPS56628DDAR is a high-efficiency, synchronous step-down DC-DC converter produced by Texas Instruments. It is designed for applications requiring a compact solution with high power density. The device can deliver up to 6 A of output current and operates over an input voltage range of 4.5 V to 18 V, making it suitable for a range of applications including distributed power systems, networking, and telecom infrastructure.
Key features include a fixed-frequency operation at 700 kHz, which helps minimize external component size and optimize efficiency. The TPS56628DDAR also integrates MOSFETs, reducing the need for external components and simplifying design. It provides an adjustable output voltage from 0.76 V to 7 V, with a high level of accuracy. The device also includes features like cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout to ensure robust operation under various conditions.
Its compact 8-pin SO PowerPAD package enhances thermal performance, making it ideal for space-constrained applications. The TPS56628DDAR is an efficient solution for designers needing a reliable step-down converter.
Key features include a fixed-frequency operation at 700 kHz, which helps minimize external component size and optimize efficiency. The TPS56628DDAR also integrates MOSFETs, reducing the need for external components and simplifying design. It provides an adjustable output voltage from 0.76 V to 7 V, with a high level of accuracy. The device also includes features like cycle-by-cycle current limiting, thermal shutdown, and undervoltage lockout to ensure robust operation under various conditions.
Its compact 8-pin SO PowerPAD package enhances thermal performance, making it ideal for space-constrained applications. The TPS56628DDAR is an efficient solution for designers needing a reliable step-down converter.
Equivalent
The TPS56628DDAR is a synchronous step-down DC-DC converter by Texas Instruments. Equivalent products may include the following:
1. MP1584EN - by Monolithic Power Systems
2. LM2596 - by Texas Instruments
3. LM2678 - by Texas Instruments
4. LT8640 - by Analog Devices
5. ADP2302 - by Analog Devices
These alternatives offer similar functionality but can vary in specifications and features, so it's important to review datasheets to ensure compatibility with your design requirements.
1. MP1584EN - by Monolithic Power Systems
2. LM2596 - by Texas Instruments
3. LM2678 - by Texas Instruments
4. LT8640 - by Analog Devices
5. ADP2302 - by Analog Devices
These alternatives offer similar functionality but can vary in specifications and features, so it's important to review datasheets to ensure compatibility with your design requirements.
Features
The TPS56628DDAR is a synchronous, step-down DC-DC converter designed by Texas Instruments, tailored for high-efficiency power conversion needs. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 18V, making it versatile for various applications.
2. Output Voltage: The device can deliver an adjustable output voltage ranging from 0.76V to 7V, allowing for flexibility in output requirements.
3. Output Current: Capable of delivering up to 6A of continuous output current, it suits demanding power applications.
4. Efficiency: The converter boasts high efficiency, exceeding 95% in optimal conditions, reducing power loss and heat generation.
5. Switching Frequency: It offers a selectable switching frequency of 300kHz to 1.4MHz, balancing efficiency and size.
6. Protection Features: Integrated protection features include overcurrent protection, overvoltage protection, and thermal shutdown.
7. Package: Housed in a compact, thermally enhanced 10-pin VSON package, ideal for space-constrained designs.
These features make the TPS56628DDAR suitable for powering processors, FPGAs, and other digital circuits in consumer electronics, industrial, and telecom applications.
1. Input Voltage Range: It supports a wide input voltage range from 4.5V to 18V, making it versatile for various applications.
2. Output Voltage: The device can deliver an adjustable output voltage ranging from 0.76V to 7V, allowing for flexibility in output requirements.
3. Output Current: Capable of delivering up to 6A of continuous output current, it suits demanding power applications.
4. Efficiency: The converter boasts high efficiency, exceeding 95% in optimal conditions, reducing power loss and heat generation.
5. Switching Frequency: It offers a selectable switching frequency of 300kHz to 1.4MHz, balancing efficiency and size.
6. Protection Features: Integrated protection features include overcurrent protection, overvoltage protection, and thermal shutdown.
7. Package: Housed in a compact, thermally enhanced 10-pin VSON package, ideal for space-constrained designs.
These features make the TPS56628DDAR suitable for powering processors, FPGAs, and other digital circuits in consumer electronics, industrial, and telecom applications.
Pinout
The TPS56628DDAR is a step-down (buck) converter IC manufactured by Texas Instruments. It is housed in an 8-pin SO PowerPAD package. Here is a brief overview of its pin functions:
1. BOOT: Provides voltage supply to the high-side MOSFET driver.
2. VIN: Input supply voltage.
3. SW: Switch node, internode connection to the high-side MOSFET and the inductor.
4. GND: Ground connection.
5. FB: Feedback pin for setting the output voltage.
6. COMP: Compensation pin to stabilize the control loop.
7. EN: Enable pin to turn the device on or off.
8. SS/TR: Soft-start and tracking pin, used to control the soft-start timing or track an external voltage.
This configuration allows the TPS56628 to efficiently convert a higher input voltage to a lower regulated output voltage, suitable for various applications, including powering processors or other circuitry in electronic devices.
1. BOOT: Provides voltage supply to the high-side MOSFET driver.
2. VIN: Input supply voltage.
3. SW: Switch node, internode connection to the high-side MOSFET and the inductor.
4. GND: Ground connection.
5. FB: Feedback pin for setting the output voltage.
6. COMP: Compensation pin to stabilize the control loop.
7. EN: Enable pin to turn the device on or off.
8. SS/TR: Soft-start and tracking pin, used to control the soft-start timing or track an external voltage.
This configuration allows the TPS56628 to efficiently convert a higher input voltage to a lower regulated output voltage, suitable for various applications, including powering processors or other circuitry in electronic devices.
Manufacturer
The TPS56628DDAR is manufactured by Texas Instruments Incorporated. Texas Instruments, commonly referred to as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. These products are widely used in electronics for industrial, automotive, personal electronics, communications equipment, and enterprise systems, among other applications. TI is known for its broad portfolio of analog and embedded processing products and has a long history in the semiconductor industry, being one of the largest semiconductor companies in the world.
Application
The TPS56628DDAR is a synchronous buck converter designed for high-efficiency step-down voltage regulation. Key application areas include:
1. Telecommunications Equipment: Provides stable power for communication devices and infrastructure.
2. Consumer Electronics: Powers devices like laptops and gaming consoles.
3. Industrial Automation: Supports power needs of industrial control systems.
4. Networking Devices: Used in routers, switches, and modems for efficient power management.
5. Embedded Systems: Supplies regulated power in microcontroller and FPGA applications.
6. Automotive Electronics: Powers infotainment systems and other electronic modules in vehicles.
7. Data Centers: Facilitates efficient power conversion in servers and storage systems.
These applications benefit from its high efficiency, compact size, and reliability in delivering consistent power.
1. Telecommunications Equipment: Provides stable power for communication devices and infrastructure.
2. Consumer Electronics: Powers devices like laptops and gaming consoles.
3. Industrial Automation: Supports power needs of industrial control systems.
4. Networking Devices: Used in routers, switches, and modems for efficient power management.
5. Embedded Systems: Supplies regulated power in microcontroller and FPGA applications.
6. Automotive Electronics: Powers infotainment systems and other electronic modules in vehicles.
7. Data Centers: Facilitates efficient power conversion in servers and storage systems.
These applications benefit from its high efficiency, compact size, and reliability in delivering consistent power.
Package
The TPS56628DDAR is a DC-DC buck converter from Texas Instruments, housed in an 8-pin SO PowerPAD package, known as the DDAR package. This package type is designed for efficient thermal performance and compact applications.
