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TPS54540BQDDARQ1

Name: TPS54540BQDDARQ1
Rating: 4.7 (12 reviews)

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Мфр. Часть #TPS54540BQDDARQ1
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Спецификации

Series	Eco-Mode™
Part Status	Active
Function	Step-Down
Output Configuration	Positive
Topology	Buck, Split Rail
Output Type	Adjustable
Number of Outputs	1
Voltage - Input (Min)	4.5V
Voltage - Input (Max)	42V
Voltage - Output (Min/Fixed)	0.8V
Voltage - Output (Max)	41.1V
Current - Output	5A
Frequency - Switching	100kHz ~ 2.5MHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SO PowerPad
Base Product Number	TPS54540
Grade	Automotive
Qualification	AEC-Q100

Обзор

Description

The TPS54540BQDDARQ1 is a high-efficiency, step-down power regulator from Texas Instruments, designed for automotive applications. It features a wide input voltage range of 4.5V to 17V and can deliver up to 5A of output current. The device employs a synchronous buck architecture, which enhances efficiency, particularly at light loads.
Key features include integrated FETs, an adjustable output voltage (down to 0.8V), and a switching frequency of up to 1.5 MHz, allowing for smaller external components and a compact design. It also includes protections such as thermal shutdown, current limit, and input undervoltage lockout to ensure reliable operation in harsh environments.
The TPS54540BQDDARQ1 is optimized for use in applications like automotive infotainment systems, power supplies for sensors, and LED drivers, providing robust performance in demanding conditions. Its automotive-grade qualification makes it suitable for use in vehicles where reliability and efficiency are paramount.

Features

The TPS54540BQDDARQ1 is a step-down (buck) voltage regulator from Texas Instruments, designed for automotive applications. Key features include:
1. Input Voltage Range: Operates from 4.5 V to 17 V, making it suitable for various automotive voltage environments.
2. Output Current: Delivers up to 5 A of continuous output current.
3. Efficiency: High efficiency (up to 95%) reduces heat generation and improves thermal performance.
4. Integrated High-Side Switch: Simplifies circuit design by incorporating an internal MOSFET.
5. Adjustable Output Voltage: Output voltage can be adjusted down to 0.9 V using external resistors.
6. Built-in Compensation: Features internal compensation for stable operation across different load conditions.
7. Thermal Protection: Includes thermal shutdown to prevent overheating.
8. Package Type: Available in a compact HTQFN-32 package, facilitating space-saving designs.
Overall, the TPS54540BQDDARQ1 is suitable for applications requiring reliable, efficient power management in automotive systems.

Package

The TPS54540BQDDARQ1 is packaged in a 16-pin HTQFP (Thin Quad Flat Package) with dimensions of 5 mm x 5 mm. This package type is designed for high-performance applications, providing efficient thermal management and reduced footprint.

Pinout

The TPS54540BQDDARQ1 is a high-efficiency, step-down (buck) DC-DC converter from Texas Instruments. It has a pin count of 16.
Key functions of the pins include:
1. VIN - Input voltage supply.
2. SW - Switch node for the inductor.
3. GND - Ground connection.
4. BOOT - Bootstrap capacitor connection for the high-side gate driver.
5. COMP - Compensation network for stability.
6. RT - Resistor for setting the switching frequency.
7. CSN/ CSP - Current sense inputs for overcurrent protection.
8. PGND - Power ground.
9. FB - Feedback voltage input for regulation.
10. EN - Enable pin for turning the device on/off.
11. SS - Soft-start control pin.
12. RAMP - Frequency compensation ramp.
13. ISNS - Current sense input.
14. PWRGD - Power good output indicating output voltage status.
15. NFAULT - Fault indication pin.
These pins provide functionality for power management, feedback control, and protection features essential for efficient DC-DC conversion in various applications.

Manufacturer

The TPS54540BQDDARQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company headquartered in Dallas, Texas. Founded in 1930, TI is known for its innovation in analog and embedded processing technologies, producing a wide range of products including microcontrollers, processors, and analog components. The company serves various markets such as automotive, industrial, communications, and consumer electronics. TI is recognized for its commitment to quality and reliability in electronic components, making it a key player in the semiconductor industry.

Application

The TPS54540BQDDARQ1 is a DC-DC step-down (buck) converter primarily used in automotive applications, including automotive infotainment systems, advanced driver-assistance systems (ADAS), and electric vehicle (EV) powertrains. It is designed for powering microcontrollers, sensors, and other electronic components requiring efficient voltage regulation in harsh automotive environments. Other areas include industrial equipment and battery-powered devices.

Equivalent

The TPS54540BQDDARQ1 is a 5A step-down voltage regulator. Equivalent products include the LM2596, LM2675, and LT1763, which also offer similar voltage regulation and current capabilities. For more integrated solutions, consider the TPS54340 or TPS56340, which can provide similar performance with slight variations in specifications. Always verify compatibility with your specific application requirements.

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DHL компанией: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 2-5 рабочих дней.

компании FedEx: Стоимость доставки варьируется от 25 до 40 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

УПС: Стоимость доставки варьируется от 25 до 45 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ТНТ: Стоимость доставки варьируется от 25 до 65 долларов США (0,5 кг), при этом предполагаемое время доставки составляет 3-7 рабочих дней.

ЭМС: Стоимость доставки варьируется от $30-$50 (0,5 кг), с предполагаемым сроком доставки 7-15 рабочих дней.

Зарегистрированная воздушная почта: Стоимость доставки составляет 2-4 доллара США (0,1 кг), при этом предполагаемое время доставки составляет 5-20 рабочих дней.