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TPS56221DQPR
+物料清單IC REG BUCK ADJUSTABLE 25A 22SON
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製造商德州儀器
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製造商部分 #TPS56221DQPR
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有存貨7646
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正品保證
規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck |
| OutputType | Adjustable |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 4.5V |
| Voltage-Input(Max) | 14V |
| Voltage-Output(Min/Fixed) | 0.6V |
| Voltage-Output(Max) | 13.02V |
| Current-Output | 25A |
| Frequency-Switching | 300kHz, 500kHz, 950kHz |
| SynchronousRectifier | Yes |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 22-PowerLFDFN |
概述
Description
Key features of the TPS56221DQPR include a fixed-frequency operation of up to 1 MHz, which allows for compact designs with small external components. It employs an adaptive on-time control architecture, which enhances efficiency over a wide load range. The converter also supports a pre-biased startup and has built-in protection features such as over-current protection, thermal shutdown, and undervoltage lockout.
The TPS56221DQPR comes in a small, thermally enhanced package, making it ideal for high-density applications. It is designed for ease of use, with minimal external components required, enabling designers to create efficient power systems with reduced design complexity.
Equivalent
1. LM73605 from Texas Instruments
2. ADP2389 from Analog Devices
3. LM27402 from Texas Instruments
4. ISL8117 from Renesas Electronics
5. LT8610 from Analog Devices
These components should be evaluated for exact specifications, as variations in operational parameters can exist.
Features
1. Input Voltage Range: Supports a wide input range from 4.5V to 14V, making it versatile for various applications.
2. Output Voltage: Adjustable output voltage range from 0.6V to 5.5V, suitable for different load requirements.
3. Output Current: Capable of delivering up to 25A continuous output current, ideal for high-power applications.
4. Efficiency: Offers high efficiency over a wide load range, thanks to synchronous rectification and advanced MOSFET technology.
5. Switching Frequency: Programmable switching frequency from 200kHz to 1.5MHz allows for optimization of size and efficiency.
6. Protection Features: Includes overcurrent protection, overvoltage protection, undervoltage lockout, and thermal shutdown for reliable operation.
7. Package: Available in a 28-pin QFN package, which is compact and thermally efficient.
8. Soft Start: Adjustable soft start minimizes inrush current during power up.
These features make the TPS56221DQPR suitable for a variety of high-performance applications, including telecom, networking, and computing systems.
Pinout
Key functionalities include a high-frequency switching capability up to 1 MHz, which allows for the use of smaller passive components, enhancing overall power density. The TPS56221 features a wide input voltage range, typically from 4.5 V to 14 V, making it versatile for various applications. It also includes features such as voltage tracking, remote sensing, and adjustable output voltage, often set through external resistors. Integrated protection features such as overcurrent, overvoltage, and thermal shutdown ensure reliability and safety in operation. The device's pin configuration supports easy layout and efficient thermal management, critical for high-current applications.
Manufacturer
Application
1. Telecommunications Equipment: Providing stable power to communication devices and infrastructure.
2. Networking Devices: Supplying power to routers, switches, and servers.
3. Industrial Automation: Powering control systems and automated machinery.
4. Point-of-Load Regulation: On motherboards, providing power to processors and memory modules.
5. Consumer Electronics: Used in devices requiring efficient power management, such as gaming consoles and set-top boxes.
6. Data Centers: Supporting power distribution for high-performance computing environments.
The TPS56221DQPR's compact design and high efficiency make it suitable for space-constrained and energy-sensitive applications.