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TPS54540QDDARQ1
+StücklisteIC REG BCK SPLIT RAIL ADJ 8SOPWR
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HerstellerTexas Instruments
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Herstellerteil #TPS54540QDDARQ1
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Paket HSOIC (DDA)-8
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Auf Lager7632
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| Series | Automotive, AEC-Q100, Eco-Mode™ |
| ProductStatus | Not For New Designs |
| Function | Step-Down |
| OutputConfiguration | Positive |
| Topology | Buck, Split Rail |
| OutputType | Adjustable |
| NumberofOutputs | 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 |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-PowerSOIC (0.154, 3.90mm Width) |
Übersicht
Description
The TPS54540QDDARQ1 is a high-performance DC-DC buck converter designed by Texas Instruments. It is part of the automotive-qualified product line, ensuring reliability for automotive applications. This converter can handle input voltages ranging from 5.5 V to 42 V, making it suitable for a variety of power supply systems in vehicles.
The device is capable of delivering up to 5 A of continuous output current, which is ideal for powering microcontrollers, processors, and other digital circuits. With a switching frequency adjustable between 100 kHz and 2.5 MHz, it allows for flexibility in optimizing efficiency and component size.
Key features include high efficiency, low dropout operation, and a built-in high-side MOSFET. It also offers protection features like overcurrent protection, thermal shutdown, and undervoltage lockout to enhance system reliability. The TPS54540QDDARQ1 comes in a thermally enhanced 8-pin SO PowerPAD package, which aids in heat dissipation. Its compact size and robust performance make it a popular choice for automotive power management solutions.
The device is capable of delivering up to 5 A of continuous output current, which is ideal for powering microcontrollers, processors, and other digital circuits. With a switching frequency adjustable between 100 kHz and 2.5 MHz, it allows for flexibility in optimizing efficiency and component size.
Key features include high efficiency, low dropout operation, and a built-in high-side MOSFET. It also offers protection features like overcurrent protection, thermal shutdown, and undervoltage lockout to enhance system reliability. The TPS54540QDDARQ1 comes in a thermally enhanced 8-pin SO PowerPAD package, which aids in heat dissipation. Its compact size and robust performance make it a popular choice for automotive power management solutions.
Equivalent
Equivalent products to the Texas Instruments TPS54540QDDARQ1 chip, which is a high-efficiency, step-down DC-DC converter, include:
1. LM2678 by Texas Instruments: A 5A step-down regulator.
2. LT8640 by Analog Devices: A high-efficiency, high-frequency synchronous step-down regulator.
3. MP2459 by Monolithic Power Systems: A high-frequency, synchronous, rectified, step-down switch mode converter.
These alternatives may differ in some specifications, so it's important to check compatibility with your specific application needs.
1. LM2678 by Texas Instruments: A 5A step-down regulator.
2. LT8640 by Analog Devices: A high-efficiency, high-frequency synchronous step-down regulator.
3. MP2459 by Monolithic Power Systems: A high-frequency, synchronous, rectified, step-down switch mode converter.
These alternatives may differ in some specifications, so it's important to check compatibility with your specific application needs.
Features
The TPS54540QDDARQ1 is a high-performance, automotive-qualified step-down (buck) DC-DC converter. Key features include:
1. Input Voltage Range: It supports a wide input voltage range from 5.5 V to 42 V, making it suitable for automotive and industrial applications.
2. Output Current: It can deliver up to 5 A of continuous output current.
3. Switching Frequency: The device operates at a fixed 500 kHz switching frequency, which facilitates smaller external components and efficient power conversion.
4. Efficiency: High efficiency is achieved over a wide load range through low RDS(on) for both high-side and low-side MOSFETs.
5. Protection Features: The converter includes robust protection mechanisms such as undervoltage lockout (UVLO), overcurrent protection, thermal shutdown, and output short-circuit protection.
6. Thermal Performance: It is offered in a thermally enhanced SO PowerPAD™ package for better heat dissipation.
7. Qualification: It is AEC-Q100 qualified, ensuring reliability and performance in automotive environments.
This combination of features makes the TPS54540QDDARQ1 ideal for powering a wide variety of automotive and industrial systems.
1. Input Voltage Range: It supports a wide input voltage range from 5.5 V to 42 V, making it suitable for automotive and industrial applications.
2. Output Current: It can deliver up to 5 A of continuous output current.
3. Switching Frequency: The device operates at a fixed 500 kHz switching frequency, which facilitates smaller external components and efficient power conversion.
4. Efficiency: High efficiency is achieved over a wide load range through low RDS(on) for both high-side and low-side MOSFETs.
5. Protection Features: The converter includes robust protection mechanisms such as undervoltage lockout (UVLO), overcurrent protection, thermal shutdown, and output short-circuit protection.
6. Thermal Performance: It is offered in a thermally enhanced SO PowerPAD™ package for better heat dissipation.
7. Qualification: It is AEC-Q100 qualified, ensuring reliability and performance in automotive environments.
This combination of features makes the TPS54540QDDARQ1 ideal for powering a wide variety of automotive and industrial systems.
Pinout
The TPS54540QDDARQ1 is a 5 A, 42 V step-down (buck) converter with an integrated high-side MOSFET. It is designed for automotive applications and comes in an 8-pin SO PowerPAD (DDA) package. Here is a brief description of the pin functions:
1. VIN (Pin 1): Input voltage supply pin. Connect to the input supply voltage.
2. EN (Pin 2): Enable pin. A high level turns the device on, and a low level turns it off.
3. BOOT (Pin 3): Bootstrap capacitor connection for the high-side FET driver.
4. SW (Pin 4): Switch node. Connect to the external inductor and the cathode of the catch diode.
5. GND (Pin 5): Ground pin.
6. RT/CLK (Pin 6): Resistor timing and external clock input.
7. COMP (Pin 7): Compensation network connection.
8. FB (Pin 8): Feedback pin for output voltage regulation.
This device is used to step down a higher voltage to a lower voltage and is suitable for use in power supply designs for various automotive applications.
1. VIN (Pin 1): Input voltage supply pin. Connect to the input supply voltage.
2. EN (Pin 2): Enable pin. A high level turns the device on, and a low level turns it off.
3. BOOT (Pin 3): Bootstrap capacitor connection for the high-side FET driver.
4. SW (Pin 4): Switch node. Connect to the external inductor and the cathode of the catch diode.
5. GND (Pin 5): Ground pin.
6. RT/CLK (Pin 6): Resistor timing and external clock input.
7. COMP (Pin 7): Compensation network connection.
8. FB (Pin 8): Feedback pin for output voltage regulation.
This device is used to step down a higher voltage to a lower voltage and is suitable for use in power supply designs for various automotive applications.
Manufacturer
The TPS54540QDDARQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company known for designing and manufacturing a broad array of analog and embedded processing products. These products are used in various electronics applications, including industrial, automotive, personal electronics, and communications equipment. TI is recognized as one of the largest semiconductor companies in the world, with a strong emphasis on innovation and engineering. They provide solutions that help customers manage power, enable connectivity, ensure safety, and allow for advanced processing capabilities in their electronic devices.
Application
The TPS54540QDDARQ1 is a DC-DC buck converter designed for automotive and industrial applications. It is used in various areas due to its high efficiency and wide input voltage range. Common application areas include power supply solutions for automotive systems such as infotainment, cluster, and body electronics. It's also used in battery-powered systems, communication infrastructure, and industrial equipment where stable power and robust performance are required. The device’s ability to handle high currents and operate under harsh conditions makes it suitable for powering microcontrollers, FPGAs, and other digital circuits within these environments.
Package
The TPS54540QDDARQ1 is housed in an 8-pin SO PowerPAD package, which is a thermally enhanced standard-size small-outline package designed to provide improved heat dissipation.
