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TPS40193DRCT
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TPS40193DRCT

Product Overview

Category

The TPS40193DRCT belongs to the category of voltage mode synchronous buck controller.

Use

It is used for controlling the output voltage of a synchronous buck converter.

Characteristics

  • Wide input voltage range
  • Adjustable switching frequency
  • Synchronization capability
  • Overcurrent protection
  • Thermal shutdown protection

Package

The TPS40193DRCT comes in a small outline package (SOIC) with 10 pins.

Essence

This device is essential for efficiently regulating the output voltage in power supply applications.

Packaging/Quantity

The TPS40193DRCT is typically packaged in reels and available in quantities suitable for production runs.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.6V to 5.5V
  • Operating Temperature Range: -40°C to 125°C
  • Switching Frequency: Adjustable up to 2.5MHz
  • Maximum Duty Cycle: 95%

Detailed Pin Configuration

  1. VIN: Input voltage
  2. PGND: Power ground
  3. BOOT: Bootstrap capacitor connection
  4. PH: Phase node connection
  5. COMP: Compensation pin
  6. SS/TR: Soft-start/tracking pin
  7. RT/CLK: Oscillator timing resistor/clock synchronization
  8. FB: Feedback voltage
  9. EN: Enable pin
  10. VCC: Controller supply voltage

Functional Features

  • Voltage mode control
  • Adaptive on-time control architecture
  • Programmable soft start
  • Precision reference voltage
  • Error amplifier with high gain

Advantages and Disadvantages

Advantages

  • High efficiency
  • Wide input voltage range
  • Flexible switching frequency
  • Integrated protection features

Disadvantages

  • Limited maximum duty cycle
  • External compensation required for stability in some applications

Working Principles

The TPS40193DRCT operates based on a voltage mode control scheme, where the output voltage is compared to a reference voltage and the resulting error signal is used to adjust the duty cycle of the switching converter. The adaptive on-time control architecture allows for fast transient response and stable operation across varying load conditions.

Detailed Application Field Plans

The TPS40193DRCT is well-suited for various power supply applications, including: - Point-of-load converters - Industrial power supplies - Telecommunication equipment - Server and storage systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the TPS40193DRCT include: - TPS40170: Similar voltage mode synchronous buck controller with different pin configuration - TPS54332: Non-synchronous buck converter with integrated FETs - LM5117: Wide input voltage range synchronous buck controller

In conclusion, the TPS40193DRCT is a versatile voltage mode synchronous buck controller with a wide input voltage range, flexible switching frequency, and integrated protection features. Its application spans various industries, and it offers high efficiency and precise voltage regulation. While it has certain limitations, its advantages make it a popular choice for power supply designs.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací TPS40193DRCT v technických řešeních

  1. What is the TPS40193DRCT?

    • The TPS40193DRCT is a synchronous buck controller designed for high-current, low-output-voltage applications.

  2. What is the input voltage range of TPS40193DRCT?

    • The input voltage range of TPS40193DRCT is 4.5V to 28V.

  3. What is the output voltage range of TPS40193DRCT?

    • The output voltage range of TPS40193DRCT is 0.6V to 5.5V.

  4. What is the maximum output current supported by TPS40193DRCT?

    • The TPS40193DRCT supports a maximum output current of 20A.

  5. What are the key features of TPS40193DRCT?

    • Some key features of TPS40193DRCT include adjustable switching frequency, programmable soft start, and overcurrent protection.

  6. What type of applications is TPS40193DRCT suitable for?

    • TPS40193DRCT is suitable for applications such as point-of-load regulation, servers, and telecom and networking equipment.

  7. What is the operating temperature range of TPS40193DRCT?

    • The operating temperature range of TPS40193DRCT is -40°C to 125°C.

  8. What is the typical efficiency of TPS40193DRCT?

    • The typical efficiency of TPS40193DRCT is around 95%.

  9. Does TPS40193DRCT require an external MOSFET?

    • Yes, TPS40193DRCT requires an external N-channel MOSFET.

  10. Is there a reference design available for TPS40193DRCT?

    • Yes, Texas Instruments provides a reference design for TPS40193DRCT to help with the implementation in technical solutions.