TPS54540BQDDARQ1

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TPS54540BQDDARQ1

IC REG BCK SPLIT RAIL ADJ 8SOPWR

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  • Mfr. Partie #TPS54540BQDDARQ1
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Spécifications

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

Vue d'ensemble

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.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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