TPS54122RHLR

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TPS54122RHLR

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IC REG DL BUCK/LNR SYNC 24VQFN

  • HerstellerTexas Instruments

  • Herstellerteil #TPS54122RHLR

  • Auf Lager9397

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Spezifikationen

Attribut Wert
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

Übersicht

Description

The TPS54122RHLR is a high-efficiency, step-down (buck) voltage regulator from Texas Instruments. It is designed to provide a stable output voltage with a wide input voltage range of 4.5V to 17V, making it suitable for various applications including automotive, industrial, and telecommunications. The device features a 2A output current capability and incorporates a current mode control scheme, ensuring stable operation and fast transient response.
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

Equivalent products for the TPS54122RHLR include the LM2596, LTC3780, and LM2675. These chips also provide step-down (buck) voltage regulation but check specific parameters like input voltage range, output current, and efficiency to ensure compatibility for your application. Always refer to the datasheets for detailed specifications before substitution.

Features

The TPS54122RHLR is a high-performance step-down voltage regulator designed for efficient power management in various applications. Key features include:
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

The TPS54122RHLR is a step-down (buck) voltage regulator from Texas Instruments. It features a pin count of 10. The primary functions of its pins are as follows:
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

The TPS54122RHLR is manufactured by Texas Instruments (TI), a leading semiconductor company. Texas Instruments is renowned for designing and manufacturing a wide range of analog, digital, and embedded processing solutions. Founded in 1930, the company originally focused on oil exploration technology before diversifying into electronics.
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

The TPS54122RHLR is a high-efficiency buck converter designed for various applications, including:
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.

Package

The TPS54122RHLR is packaged in a 16-pin HTQFP (Thermal Enhanced Thin Quad Flat Package) with a lead pitch of 0.5 mm.

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