TPS54240DGQR

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TPS54240DGQR

IC REG BCK SPLIT RAIL ADJ 10MSOP

  • 제조업체
  • Mfr.부분 #TPS54240DGQR
  • 패키지 HVSSOP (DGQ)-10
  • 데이터시트
  • 재고 있음7123

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사양

Package Tape & Reel (TR),Cut Tape (CT)
Series SWIFT™, Eco-Mode™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck, Split Rail
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3.5V
Voltage-Input(Max) 42V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 39V
Current-Output 2.5A
Frequency-Switching 100kHz ~ 2.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 150°C (TJ)
MountingType Surface Mount
Package/Case 10-PowerTFSOP, 10-MSOP (0.118, 3.00mm Width)

개요

Description

The TPS54240DGQR is a step-down (buck) DC-DC converter from Texas Instruments, designed for high efficiency and performance in power management applications. It integrates a 42-V, 2.5-A, high-side MOSFET, making it suitable for a wide range of input voltages and capable of delivering up to 2.5 A of continuous output current. The device operates with a fixed frequency of 100 kHz to 2.5 MHz, allowing designers flexibility in selecting the optimal trade-off between efficiency and component size.
Key features include an adjustable output voltage with a feedback reference of 0.8 V, a wide input voltage range from 4.5 V to 42 V, and current mode control for fast transient response and simple loop compensation. It also offers a high power-supply rejection ratio (PSRR), enabling effective operation in noise-sensitive applications. Additional features include cycle-by-cycle current limit, thermal shutdown protection, and a programmable undervoltage lockout (UVLO).
The TPS54240DGQR is well-suited for applications such as industrial and automotive power systems, consumer electronics, and distributed power architectures. It is typically offered in a small, thermally enhanced package, facilitating compact and efficient power supply designs.

Features

The TPS54240DGQR is a step-down (buck) converter from Texas Instruments designed for efficient power management in electronic devices. Key features include:
1. Wide Input Voltage Range: Operates from 3.5 V to 42 V, making it versatile for various applications.
2. Output Current: Delivers up to 2.5 A of continuous output current.
3. High Efficiency: Achieves up to 95% efficiency, minimizing heat and energy loss.
4. Adjustable Output Voltage: Allows for output voltage customization from 0.8 V to VIN.
5. Switching Frequency: Programmable from 50 kHz to 2.5 MHz, providing flexibility in design.
6. Soft-Start Function: Adjustable soft-start reduces inrush current during startup.
7. Current Mode Control: Provides fast transient response and simple loop compensation.
8. Thermal Shutdown: Protects the device from overheating.
9. Cycle-by-Cycle Current Limit: Prevents damage during overload conditions.
10. Eco-mode: Offers low quiescent current for improved efficiency at light loads.
These features make the TPS54240DGQR suitable for a wide range of applications, including industrial, automotive, and consumer electronics.

Package

The TPS54240DGQR is a DC-DC buck converter from Texas Instruments, packaged in an 10-pin VSON (Very Thin Small Outline No-Lead) package. The package type is identified as "DGQ," which refers to the VSON-10 package with a thermal pad for enhanced heat dissipation.

Pinout

The TPS54240DGQR is a 10-pin integrated circuit from Texas Instruments, designed for DC-DC buck converter applications. It features the following pin functions:
1. BOOT: Bootstrap capacitor connection for high-side FET driver.
2. VIN: Input voltage supply pin.
3. EN: Enable pin; controls the converter operation.
4. SS/TR: Soft-start and tracking pin used to control the soft-start time.
5. COMP: Compensation pin for stability of the voltage loop.
6. RT/CLK: Resistor timing or external clock input to set the switching frequency.
7. GND: Ground reference for the IC.
8. PH: Phase node; the switching node that connects to the output inductor.
9. VSENSE: Voltage sense input for output voltage regulation.
10. PWRGD: Power good open-drain output, indicating the output voltage is within regulation.
This IC is typically used in applications requiring efficient and compact power solutions, such as in computing, telecommunications, and automotive sectors.

Manufacturer

The TPS54240DGQR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of integrated circuits and other electronic components. Founded in 1930 and headquartered in Dallas, Texas, TI is known for its innovations in analog and embedded processing technologies, serving various industries, including automotive, industrial, personal electronics, and communications equipment. The company focuses on creating products that help engineers design and develop electronic systems more efficiently.

Application

The TPS54240DGQR is a DC-DC step-down converter, mainly used in applications requiring efficient power regulation. It is commonly employed in industrial and consumer electronics, automotive systems, and telecom equipment. Its features, such as high efficiency, wide input voltage range, and low quiescent current, make it suitable for converting battery or bus voltages into precise lower voltages for microcontrollers, sensors, and other digital circuits in these applications.

Equivalent

Equivalent products to the TPS54240DGQR, a DC-DC buck converter by Texas Instruments, include the LM2596 by Texas Instruments, the LT8608 by Analog Devices, the MP1584 by Monolithic Power Systems, and the ADP2300 by Analog Devices. These alternatives offer similar voltage and current specifications and are used for step-down voltage regulation in various electronic applications. Always compare the datasheets for exact compatibility regarding pin configuration, input/output voltage range, and other critical specifications.

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