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TPS2068DR
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TPS2068DR

Overview

Category: Integrated Circuits (ICs)

Use: Power Distribution Switches

Characteristics: - High Current Limit - Low On-State Resistance - Fast Overcurrent Response Time - Thermal Shutdown Protection - Reverse Current Blocking - ESD Protection

Package: SOIC (Small Outline Integrated Circuit)

Essence: TPS2068DR is a power distribution switch designed to provide protection and control in various applications.

Packaging/Quantity: TPS2068DR is available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Voltage Range: 2.7V to 5.5V
  • Current Limit: 1.5A
  • On-State Resistance: 70mΩ
  • Operating Temperature Range: -40°C to +85°C
  • Input/Output Capacitance: 50pF
  • Quiescent Current: 20µA (typical)
  • Shutdown Current: 0.1µA (typical)

Pin Configuration

The TPS2068DR package consists of 8 pins:

  1. EN (Enable)
  2. IN (Input Voltage)
  3. GND (Ground)
  4. OUT (Output Voltage)
  5. FLT (Fault Indicator)
  6. NC (No Connection)
  7. NC (No Connection)
  8. PG (Power Good Indicator)

Functional Features

  • Overcurrent Protection: The TPS2068DR provides fast overcurrent response time, protecting the circuit from excessive current flow.
  • Thermal Shutdown Protection: In case of high temperature, the device automatically shuts down to prevent damage.
  • Reverse Current Blocking: The power distribution switch prevents reverse current flow, ensuring proper functionality.
  • ESD Protection: The TPS2068DR is designed with built-in electrostatic discharge protection, safeguarding the circuit from ESD events.

Advantages and Disadvantages

Advantages: - High current limit allows for powering a wide range of devices. - Low on-state resistance minimizes power loss. - Fast overcurrent response time protects the circuit from damage. - Thermal shutdown protection prevents overheating. - Reverse current blocking ensures proper functionality. - ESD protection enhances reliability.

Disadvantages: - Limited voltage range (2.7V to 5.5V). - Relatively high quiescent current compared to some alternative models.

Working Principles

The TPS2068DR operates as a power distribution switch by controlling the flow of current between the input and output pins. When the enable pin (EN) is high, the switch is turned on, allowing current to flow from the input to the output. In case of an overcurrent condition or excessive temperature, the device shuts down to protect the circuit.

Detailed Application Field Plans

The TPS2068DR is commonly used in various applications, including: 1. Portable electronic devices 2. Battery-powered systems 3. USB charging ports 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS2068DR include: 1. TPS2065DR - Lower current limit (1A), but lower on-state resistance (50mΩ). 2. TPS2069DR - Higher current limit (2A), but higher on-state resistance (100mΩ). 3. TPS2070DR - Higher current limit (3A), suitable for more power-hungry applications.

These alternative models can be considered based on specific requirements and design constraints.

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技術ソリューションにおける TPS2068DR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of TPS2068DR in technical solutions:

  1. Q: What is TPS2068DR? A: TPS2068DR is a power distribution switch with an integrated current-limiting feature, commonly used in electronic circuits.

  2. Q: What is the maximum input voltage supported by TPS2068DR? A: The maximum input voltage supported by TPS2068DR is typically 5.5V.

  3. Q: Can TPS2068DR handle high currents? A: Yes, TPS2068DR can handle currents up to 2.8A.

  4. Q: How does TPS2068DR protect against overcurrent conditions? A: TPS2068DR has an integrated current-limiting feature that protects against overcurrent conditions by limiting the output current.

  5. Q: Can TPS2068DR be used for reverse polarity protection? A: No, TPS2068DR does not provide reverse polarity protection. Additional circuitry is required for reverse polarity protection.

  6. Q: Is TPS2068DR suitable for battery-powered applications? A: Yes, TPS2068DR is suitable for battery-powered applications as it has a low quiescent current and supports low-voltage operation.

  7. Q: Does TPS2068DR have thermal shutdown protection? A: Yes, TPS2068DR has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can TPS2068DR be used in automotive applications? A: Yes, TPS2068DR is designed to meet automotive specifications and can be used in automotive applications.

  9. Q: What is the typical operating temperature range for TPS2068DR? A: The typical operating temperature range for TPS2068DR is -40°C to 85°C.

  10. Q: Does TPS2068DR have an enable pin for controlling the power switch? A: Yes, TPS2068DR has an enable pin that can be used to control the power switch and put it into a low-power state when not in use.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements of TPS2068DR.