仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | SWIFT™, D-CAP2™ |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 2V |
| Voltage-Input(Max) | 18V |
| Voltage-Output(Min/Fixed) | 0.76V |
| Voltage-Output(Max) | 5.5V |
| Current-Output | 2A |
| Frequency-Switching | 700kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 14-TSSOP (0.173, 4.40mm Width) Exposed Pad |
概要
Description
The TPS54225PWPR is a high-efficiency, synchronous buck converter designed by Texas Instruments. It is part of the TPS54225 series and is used for step-down DC-DC conversion applications. The device operates with an input voltage range of 4.5V to 18V and can deliver up to 2A of output current, making it suitable for powering various electronic components and systems in a compact form factor.
One of the key features of the TPS54225PWPR is its ability to achieve high efficiency through its integrated MOSFETs and advanced switching technology. It supports a fixed switching frequency of 500kHz and incorporates internal compensation to simplify design processes. The converter also features various protection mechanisms, including over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable and safe operation.
The device is housed in a 16-pin TSSOP package with a PowerPAD, which enhances thermal performance. The TPS54225PWPR is often used in applications such as telecommunications, networking equipment, and industrial power systems where efficient power conversion is critical.
One of the key features of the TPS54225PWPR is its ability to achieve high efficiency through its integrated MOSFETs and advanced switching technology. It supports a fixed switching frequency of 500kHz and incorporates internal compensation to simplify design processes. The converter also features various protection mechanisms, including over-current protection, thermal shutdown, and under-voltage lockout, ensuring reliable and safe operation.
The device is housed in a 16-pin TSSOP package with a PowerPAD, which enhances thermal performance. The TPS54225PWPR is often used in applications such as telecommunications, networking equipment, and industrial power systems where efficient power conversion is critical.
Equivalent
The TPS54225PWPR is a synchronous step-down DC-DC converter by Texas Instruments. Equivalent products could include:
1. LMR33630 from Texas Instruments – A 3.5V to 36V, 3A synchronous step-down converter.
2. MP2459 from Monolithic Power Systems – A 5.5V to 36V, 3A, synchronous step-down converter.
3. LT8610 from Analog Devices (formerly Linear Technology) – A 3.4V to 42V, 2.5A synchronous step-down regulator.
These products have similar functionalities and specifications suitable for related applications. Always verify compatibility with specific design requirements.
1. LMR33630 from Texas Instruments – A 3.5V to 36V, 3A synchronous step-down converter.
2. MP2459 from Monolithic Power Systems – A 5.5V to 36V, 3A, synchronous step-down converter.
3. LT8610 from Analog Devices (formerly Linear Technology) – A 3.4V to 42V, 2.5A synchronous step-down regulator.
These products have similar functionalities and specifications suitable for related applications. Always verify compatibility with specific design requirements.
Features
The TPS54225PWPR is a step-down converter from Texas Instruments, part of the SWIFT family, designed for high-efficiency, high-current applications. Key features include:
1. Input Voltage Range: Operates from 4.5 V to 18 V, suitable for various power sources.
2. Output Current: Provides up to 2 A continuous output current.
3. Switching Frequency: Adjustable frequency from 200 kHz to 1.2 MHz, allowing optimization between efficiency and component size.
4. High Efficiency: Achieves efficiency over 90% with its integrated 70 mΩ high-side MOSFET.
5. Soft Start: Programmable soft-start function to control the inrush current during start-up.
6. Current Mode Control: Offers fast transient response and simple loop compensation.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and output overvoltage protection.
8. Thermal Performance: Comes in a thermally-enhanced 14-pin HTSSOP package.
9. Compensation: External compensation to allow for design flexibility.
10. Sync Capability: Allows synchronization to an external clock using the RT/CLK pin.
These features make the TPS54225PWPR suitable for applications like consumer electronics, industrial power systems, and other applications requiring reliable power conversion.
1. Input Voltage Range: Operates from 4.5 V to 18 V, suitable for various power sources.
2. Output Current: Provides up to 2 A continuous output current.
3. Switching Frequency: Adjustable frequency from 200 kHz to 1.2 MHz, allowing optimization between efficiency and component size.
4. High Efficiency: Achieves efficiency over 90% with its integrated 70 mΩ high-side MOSFET.
5. Soft Start: Programmable soft-start function to control the inrush current during start-up.
6. Current Mode Control: Offers fast transient response and simple loop compensation.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and output overvoltage protection.
8. Thermal Performance: Comes in a thermally-enhanced 14-pin HTSSOP package.
9. Compensation: External compensation to allow for design flexibility.
10. Sync Capability: Allows synchronization to an external clock using the RT/CLK pin.
These features make the TPS54225PWPR suitable for applications like consumer electronics, industrial power systems, and other applications requiring reliable power conversion.
Pinout
The TPS54225PWPR is a step-down (buck) DC-DC converter from Texas Instruments. It comes in a 16-pin HTSSOP (PWP) package. The primary function of this device is to efficiently convert a higher input voltage to a lower output voltage, making it suitable for applications like powering microprocessors and other low-voltage devices in various electronics. Key features include a high-efficiency operation over a wide load range and a fixed-frequency, current-mode control, which helps maintain stability and transient response. The pin functions include input voltage, output voltage, switching node, ground, compensation, and enable/fault functions, among others, facilitating the device's operation in a power conversion circuit.
Manufacturer
The TPS54225PWPR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a broad range of integrated circuits (ICs) and semiconductor technologies. They produce a variety of products including analog and embedded processing chips, which are used in multiple applications across different industries such as automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is recognized for its innovation in electronics and its contributions to advancing technology development.
Application
The TPS54225PWPR is a synchronous buck converter primarily used in applications requiring efficient step-down voltage conversion. Key application areas include telecommunications equipment, networking devices, and computer peripherals, where it provides stable power to components like microprocessors and digital signal processors. It's also used in industrial systems for power management, providing tightly regulated output voltages. Additional applications can be found in consumer electronics, where it helps manage power supply for various devices. Due to its high efficiency, compact size, and ability to handle up to 2A of output current, it's suitable for both distributed power systems and point-of-load applications.
Package
The TPS54225PWPR is a TI (Texas Instruments) synchronous buck converter that comes in a 16-pin TSSOP (Thin Shrink Small Outline Package) with PowerPAD™, designated by the package type "PWPR." This type of package provides enhanced thermal performance due to the exposed pad, which helps in heat dissipation.
