Texas Instruments
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TPL7407LDR
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TPL7407LDR

Product Overview

Category: Integrated Circuit (IC)

Use: Power Distribution Switch

Characteristics: - High-side power switch - 7 channels - Low RDS(on) resistance - Overcurrent protection - Thermal shutdown protection - Fault reporting - Wide input voltage range - Small package size

Package: DFN (Dual Flat No-Lead)

Essence: The TPL7407LDR is a high-performance power distribution switch designed for various applications that require multiple power channels. It offers advanced features such as overcurrent and thermal protection, making it suitable for use in a wide range of electronic devices.

Packaging/Quantity: The TPL7407LDR is available in a small DFN package. The quantity per reel is typically 2500 units.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Maximum Continuous Current per Channel: 1.5A
  • Maximum Peak Current per Channel: 2.5A
  • RDS(on): 50mΩ (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPL7407LDR has a total of 16 pins arranged as follows:

```

| | | U1 | |___________________|

Pin Configuration:

    1  2  3  4  5
   _______________
  |               |

16 | | 6 | | 15 | | 7 | | 14 | | 8 | | 13 | | 9 | | 12 | | 10 | | 11 |_______________| ```

Functional Features

  • High-side power switch: Allows control of power distribution to multiple channels.
  • Overcurrent protection: Automatically shuts off the channel in case of excessive current flow.
  • Thermal shutdown protection: Prevents damage due to overheating by disabling the channel when the temperature exceeds a certain threshold.
  • Fault reporting: Provides feedback on the status of each channel, allowing for easy troubleshooting.
  • Wide input voltage range: Supports a broad range of input voltages, making it versatile for various applications.

Advantages and Disadvantages

Advantages: - Multiple channels for power distribution - Advanced protection features - Wide input voltage range - Small package size

Disadvantages: - Limited maximum continuous current per channel (1.5A)

Working Principles

The TPL7407LDR is designed as a high-side power switch, which means it controls the power distribution to multiple channels connected to its outputs. It operates by monitoring the input voltage and current flowing through each channel. In case of an overcurrent condition or excessive temperature, the device automatically shuts off the affected channel to protect the circuitry.

Detailed Application Field Plans

The TPL7407LDR can be used in various applications that require power distribution to multiple channels. Some potential application fields include:

  1. Industrial Automation: Control systems that require distributed power management.
  2. Automotive Electronics: Power distribution in vehicles for different subsystems.
  3. Consumer Electronics: Multi-channel power control in audio/video equipment, gaming consoles, etc.
  4. Internet of Things (IoT): Power management in IoT devices with multiple sensors or actuators.
  5. Medical Devices: Power distribution in medical equipment with multiple subsystems.

Detailed and Complete Alternative Models

  1. TPS2065DGNR: 6-channel power distribution switch with similar features.
  2. FPF2700MPX: 7-channel power switch with adjustable current limit.
  3. LTC4211IMS#PBF: 8-channel hot swap controller with integrated power switches.

These alternative models offer similar functionality and can be considered as alternatives to the TPL7407LDR based on specific requirements and application needs.

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10 domande e risposte comuni relative all'applicazione di TPL7407LDR nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of TPL7407LDR in technical solutions:

  1. Q: What is TPL7407LDR? A: TPL7407LDR is a high-voltage, low-RDS(on) octal smart high-side switch with embedded diagnostics and protection features.

  2. Q: What is the maximum voltage rating of TPL7407LDR? A: The maximum voltage rating of TPL7407LDR is 40V.

  3. Q: How many channels does TPL7407LDR have? A: TPL7407LDR has 8 channels, making it suitable for applications requiring multiple high-side switches.

  4. Q: What is the purpose of the embedded diagnostics in TPL7407LDR? A: The embedded diagnostics in TPL7407LDR provide fault detection and reporting capabilities, enabling system monitoring and troubleshooting.

  5. Q: Can TPL7407LDR handle high currents? A: Yes, TPL7407LDR can handle high currents up to 1.5A per channel, making it suitable for various power distribution applications.

  6. Q: Does TPL7407LDR support overcurrent protection? A: Yes, TPL7407LDR supports overcurrent protection, which helps prevent damage to the load and the device itself.

  7. Q: Is TPL7407LDR compatible with both digital and analog control signals? A: Yes, TPL7407LDR is compatible with both digital and analog control signals, providing flexibility in system design.

  8. Q: Can TPL7407LDR operate in harsh environments? A: Yes, TPL7407LDR is designed to operate in harsh environments, with a wide temperature range and robust protection features.

  9. Q: Does TPL7407LDR have built-in thermal shutdown protection? A: Yes, TPL7407LDR has built-in thermal shutdown protection, which helps prevent overheating and ensures safe operation.

  10. Q: What are some typical applications of TPL7407LDR? A: Some typical applications of TPL7407LDR include industrial automation, motor control, power distribution units, and automotive systems.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.