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TPS2350D
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TPS2350D

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High voltage protection - Overcurrent detection - Thermal shutdown - Adjustable current limit

Package: SOIC (Small Outline Integrated Circuit)

Essence: The TPS2350D is a power management IC designed to provide high voltage protection and overcurrent detection in various applications.

Packaging/Quantity: The TPS2350D is available in a standard SOIC package. It is typically sold in reels of 250 units.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0V to 28V
  • Maximum Continuous Current: 2A
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 100µA (typical)
  • Shutdown Current: 1µA (typical)

Pin Configuration

The TPS2350D has a total of 8 pins, which are assigned specific functions as follows:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. EN: Enable pin for device operation
  4. ILIM: Current limit adjustment pin
  5. FB: Feedback pin for output voltage regulation
  6. OUT: Output voltage pin
  7. OC: Overcurrent detection output
  8. OV: Overvoltage detection output

Functional Features

  • High voltage protection: The TPS2350D provides protection against excessive input voltage, safeguarding the connected circuitry.
  • Overcurrent detection: It can detect and respond to overcurrent conditions, preventing damage to the load.
  • Thermal shutdown: The IC incorporates thermal protection, shutting down the device if the temperature exceeds safe limits.
  • Adjustable current limit: The current limit can be adjusted using the ILIM pin, allowing customization for specific applications.

Advantages and Disadvantages

Advantages: - Comprehensive protection features - Adjustable current limit for flexibility - Wide input voltage range - Compact SOIC package for space-constrained designs

Disadvantages: - Limited maximum continuous current (2A) - Requires external components for complete power management solution

Working Principles

The TPS2350D operates by continuously monitoring the input voltage and current. It compares these values to predefined thresholds and triggers appropriate actions when limits are exceeded. The device utilizes internal circuitry to provide high voltage protection, overcurrent detection, and thermal shutdown. The adjustable current limit allows users to tailor the device's behavior to their specific requirements.

Detailed Application Field Plans

The TPS2350D finds application in various fields where power management and protection are crucial. Some potential areas of use include:

  1. Industrial automation systems
  2. Automotive electronics
  3. Power distribution units
  4. Battery charging systems
  5. Motor control circuits

Detailed and Complete Alternative Models

  1. TPS2370D: Similar to TPS2350D but with higher maximum continuous current (4A).
  2. TPS2380D: Provides additional features like power sequencing and fault reporting.
  3. TPS2390D: Designed for high-power applications with a maximum continuous current of 8A.

These alternative models offer similar functionality to the TPS2350D but cater to different current requirements or provide additional features based on specific application needs.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan TPS2350D dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of TPS2350D in technical solutions:

  1. Q: What is the TPS2350D? A: The TPS2350D is a power management integrated circuit (IC) designed for hot swap applications, providing protection and control features.

  2. Q: What are the main features of the TPS2350D? A: The TPS2350D offers features like overcurrent protection, undervoltage lockout, thermal shutdown, adjustable current limit, and fault reporting.

  3. Q: How does the TPS2350D provide overcurrent protection? A: The TPS2350D monitors the current flowing through an external sense resistor and shuts off the power path if the current exceeds a set threshold.

  4. Q: Can the TPS2350D handle high voltage inputs? A: Yes, the TPS2350D can handle input voltages up to 80V, making it suitable for various industrial and automotive applications.

  5. Q: How does the TPS2350D handle thermal management? A: The TPS2350D has built-in thermal shutdown protection that activates when the junction temperature exceeds a specified limit, preventing damage to the IC.

  6. Q: Can I adjust the current limit of the TPS2350D? A: Yes, the TPS2350D allows you to set the current limit by selecting an appropriate value for the external sense resistor.

  7. Q: Does the TPS2350D provide fault reporting? A: Yes, the TPS2350D has a fault output pin that indicates various fault conditions such as overcurrent, undervoltage, or thermal shutdown.

  8. Q: What are some typical applications of the TPS2350D? A: The TPS2350D is commonly used in applications like hot-swappable power supplies, industrial automation systems, motor control circuits, and battery management.

  9. Q: Can the TPS2350D be used in automotive applications? A: Yes, the TPS2350D is suitable for automotive applications due to its high input voltage capability and robust protection features.

  10. Q: Is there any evaluation board or reference design available for the TPS2350D? A: Yes, Texas Instruments provides an evaluation module (EVM) for the TPS2350D, which can help users quickly prototype and evaluate their designs.

Please note that these questions and answers are general and may vary depending on specific application requirements.