TPS40140RHH

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TPS40140RHH

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Especificaciones

Brand Texas Instruments
Product Type Switching Controllers
Subcategory PMIC - Power Management ICs

Descripción general

Description

The TPS40140RHH is a high-performance synchronous buck controller from Texas Instruments designed for step-down DC-DC power conversion. It features an integrated gate driver, allowing for efficient regulation of output voltage in various applications, including power supplies for processors, FPGAs, and other digital circuits. The device operates over a wide input voltage range, typically from 4.5V to 17V, and supports output voltages as low as 0.8V.
Key features include adjustable frequency switching (up to 1 MHz), current mode control for improved transient response, and built-in protection mechanisms like over-current protection and thermal shutdown. The TPS40140RHH is packaged in a 28-pin HTQFP, facilitating easy integration into compact circuit designs. Its versatility and efficiency make it suitable for a range of applications including consumer electronics, industrial equipment, and telecommunications. Overall, the TPS40140RHH is an effective solution for designers seeking reliable, high-efficiency power management solutions.

Features

The TPS40140RHH is a high-performance synchronous buck regulator designed for DC-DC conversion applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.5V to 17V, accommodating various power sources.
2. Adjustable Output Voltage: Output voltage can be set from 0.8V to 5V, providing flexibility for different loads.
3. High Efficiency: Achieves efficiencies greater than 90% under typical operating conditions, minimizing heat generation.
4. Integrated Power FETs: Features low RDS(on) internal MOSFETs for enhanced performance and reduced external component count.
5. Current Mode Control: Utilizes current mode control for improved transient response and easier loop stabilization.
6. Soft-Start Function: Includes programmable soft-start to limit inrush current during startup.
7. Overcurrent Protection: Features cycle-by-cycle current limiting and thermal shutdown to protect against overload conditions.
8. Switching Frequency: Adjustable switching frequency up to 1 MHz, allowing for the optimization of component sizes.
These features make the TPS40140RHH suitable for a variety of applications, including telecommunications, industrial, and consumer electronics.

Package

The TPS40140RHH is packaged in a 28-pin HTQFP (Thermal Enhanced Quad Flat Pack) package, which is designed for enhanced thermal performance and reduced footprint in electronic applications.

Pinout

The TPS40140RHH is a synchronous buck controller from Texas Instruments with a pin count of 28. Its primary function is to regulate a high-efficiency output voltage from a higher input voltage. Key features include support for a wide input voltage range, adjustable output voltage, and enhanced transient response. The controller employs a current mode control scheme, allowing for easy compensation and improved stability. Additionally, it incorporates features such as soft start, overcurrent protection, and power good indicators. The TPS40140 is suitable for a variety of applications, including DC-DC converters for telecom, computing, and industrial systems.

Manufacturer

The TPS40140RHH is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of analog and embedded processing chips, serving various industries including automotive, industrial, communications, and consumer electronics. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in semiconductor technology, particularly in power management, digital signal processing, and microcontrollers. The company focuses on providing efficient and reliable solutions for electronic systems, making it a key player in the semiconductor market.

Application

The TPS40140RHH is a synchronous buck controller used in various applications, including power management for telecommunications, industrial equipment, and computer systems. It is suitable for high-efficiency DC-DC conversion, powering FPGAs, microcontrollers, and other digital circuits. Its features make it ideal for automotive, medical devices, and consumer electronics, where reliable and efficient voltage regulation is crucial.

Equivalent

The TPS40140RHH is a buck controller from Texas Instruments. Equivalent products include the LM5118 from Texas Instruments, the LTC3882 from Analog Devices, and the NCP81239 from ON Semiconductor. These alternatives offer similar functionality for DC-DC buck conversion applications. Always check specifications for exact compatibility.

Envío

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DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

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