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TPS54122RHLR
+Lista de MateriaisIC REG DL BUCK/LNR SYNC 24VQFN
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FabricanteTexas Instruments
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Peça do Fabricante #TPS54122RHLR
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Especificações
| Atributo | Valor |
| PartStatus | Obsolete |
| Topology | Step-Down (Buck) Synchronous (1), Linear (LDO) (1) |
| NumberofOutputs | 2 |
| Frequency-Switching | 300kHz ~ 2MHz |
| Voltage/Current-Output1 | 0.8V ~ 3.6V, 3A |
| Voltage/Current-Output2 | 0.8V ~ 3.6V, 3A |
| w/LEDDriver | No |
| w/Supervisor | No |
| w/Sequencer | No |
| Voltage-Supply | 2.95V ~ 6V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 24-VFQFN Exposed Pad |
| SupplierDevicePackage | 24-VQFN (5.5x3.5) |
| BaseProductNumber | TPS54122 |
Visão Geral
Description
Key features include adjustable output voltage (down to 0.8V), high efficiency (up to 95%), built-in overcurrent protection, thermal shutdown, and soft-start functionality. The TPS54122 also supports various packaging options, including a thermally enhanced HTQFP package, facilitating better heat dissipation.
The device is ideal for powering microcontrollers, sensors, and other low-voltage devices, providing designers with a reliable and efficient solution for power management in their systems. Overall, the TPS54122RHLR offers a versatile, robust option for developers looking to optimize power supply performance.
Equivalent
Features
1. Wide Input Voltage Range: Operates from 4.5V to 17V, suitable for various power sources.
2. Output Current Capability: Supports continuous output current up to 2A.
3. Adjustable Output Voltage: Output voltage can be set between 0.8V and 15V through external resistors.
4. High Efficiency: Offers high efficiency (up to 95%) across a wide load range, minimizing heat generation.
5. Integrated FETs: Contains internal high-side and low-side MOSFETs for reduced component count and simplified design.
6. Compensation: Features internal compensation, streamlining design and improving stability.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
8. Frequency Options: Operates at a fixed frequency of 500 kHz or can be synchronized to an external clock.
This makes the TPS54122RHLR ideal for applications in industrial, automotive, and consumer electronics.
Pinout
1. VIN: Input voltage supply.
2. SW: Switch node connection to the inductor.
3. GND: Ground reference.
4. VOUT: Output voltage connection.
5. COMP: Compensation network connection for stability.
6. FB: Feedback voltage sense for output regulation.
7. RT/CT: Resistor and capacitor connection for setting the switching frequency.
8. SS/TR: Soft-start and tracking input for output voltage control.
9. EN/UVLO: Enable and under-voltage lockout input.
10. PG: Power good output indicator.
The TPS54122 is designed for efficient power conversion applications, supporting a wide input voltage range and providing adjustable output voltage.
Manufacturer
Today, TI is a major player in the semiconductor industry, specializing in products such as amplifiers, embedded processors, microcontrollers, and power management solutions. The TPS54122RHLR itself is a step-down (buck) DC-DC voltage regulator, widely used in various applications requiring efficient power conversion, including telecommunications, automotive systems, and industrial equipment. Texas Instruments is known for its commitment to innovation, high-quality products, and extensive support resources, making it a trusted choice among engineers and manufacturers in multiple sectors.
Application
1. Telecommunications: Powering base stations and networking equipment.
2. Industrial Automation: Providing stable power to sensors and controllers.
3. Consumer Electronics: Supplying power for devices like tablets and portable gadgets.
4. Data Processing: Supporting servers and storage systems with efficient voltage regulation.
5. Automotive: Used in infotainment systems and advanced driver-assistance systems (ADAS).
Its versatility makes it suitable for applications requiring precise voltage regulation and high efficiency.