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TPS2112APW
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TPS2112APW

Product Overview

Category

The TPS2112APW belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for power management applications.

Characteristics

  • The TPS2112APW is a dual-channel, bidirectional current-limited power switch.
  • It operates with a wide input voltage range and can handle high currents.
  • This IC offers low on-resistance and low quiescent current, making it suitable for power-sensitive applications.
  • It provides protection features such as overcurrent and thermal shutdown.

Package

The TPS2112APW is available in a small outline package (SOIC) with 16 pins.

Essence

The essence of the TPS2112APW lies in its ability to control power flow in both directions while ensuring safe operation and protection.

Packaging/Quantity

The TPS2112APW is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Maximum Continuous Current: 1.5A
  • On-Resistance (per channel): 70mΩ
  • Quiescent Current: 20µA (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS2112APW has a total of 16 pins, which are assigned specific functions:

  1. EN1: Enable Input Channel 1
  2. IN1: Power Input Channel 1
  3. OUT1: Power Output Channel 1
  4. GND1: Ground Channel 1
  5. PGND1: Power Ground Channel 1
  6. ILIM1: Current Limit Setting Channel 1
  7. FLT1: Fault Output Channel 1
  8. VCC: Supply Voltage Input
  9. FLT2: Fault Output Channel 2
  10. ILIM2: Current Limit Setting Channel 2
  11. GND2: Ground Channel 2
  12. OUT2: Power Output Channel 2
  13. IN2: Power Input Channel 2
  14. EN2: Enable Input Channel 2
  15. PGND2: Power Ground Channel 2
  16. NC: No Connection

Functional Features

  • Bidirectional power flow control
  • Overcurrent protection
  • Thermal shutdown protection
  • Low on-resistance for efficient power transfer
  • Wide input voltage range for versatile applications
  • Independent enable inputs for each channel

Advantages and Disadvantages

Advantages

  • Dual-channel design allows for independent power control.
  • High current handling capability.
  • Efficient power transfer with low on-resistance.
  • Comprehensive protection features ensure safe operation.

Disadvantages

  • Limited to a maximum continuous current of 1.5A.
  • Requires external components for complete power management solutions.

Working Principles

The TPS2112APW operates by controlling the power flow between its input and output channels. It utilizes internal circuitry to limit the current and protect against faults such as overcurrent and thermal issues. The bidirectional nature of the IC enables power transfer in both directions, making it suitable for various applications.

Detailed Application Field Plans

The TPS2112APW finds application in a wide range of fields, including but not limited to: - Portable electronic devices - Battery-powered systems - USB power switches - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

  1. TPS2110APW: Single-channel version of TPS2112APW.
  2. TPS2113APW: Triple-channel version of TPS2112APW.
  3. TPS2114APW: Quad-channel version of TPS2112APW.

These alternative models offer similar functionality and characteristics, but with varying channel configurations to suit different application requirements.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPS2112APW en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of TPS2112APW in technical solutions:

  1. Q: What is TPS2112APW? A: TPS2112APW is a dual-channel power multiplexer IC that allows seamless switching between two power sources.

  2. Q: What are the typical applications of TPS2112APW? A: TPS2112APW is commonly used in battery-powered systems, portable devices, and any application where power source redundancy or power path management is required.

  3. Q: What is the maximum voltage rating for TPS2112APW? A: The maximum voltage rating for TPS2112APW is typically around 18V.

  4. Q: Can TPS2112APW handle high current loads? A: Yes, TPS2112APW can handle high current loads up to several amperes, depending on the specific model and package.

  5. Q: How does TPS2112APW achieve seamless power source switching? A: TPS2112APW uses an internal MOSFET-based switch to connect either of the two power sources to the load, ensuring uninterrupted power supply during switching.

  6. Q: Does TPS2112APW support reverse current protection? A: Yes, TPS2112APW incorporates built-in reverse current protection to prevent current flow from the output to the input.

  7. Q: Can TPS2112APW be controlled using an external microcontroller? A: Yes, TPS2112APW can be controlled using an external microcontroller by connecting the control pins to the appropriate GPIOs.

  8. Q: Is TPS2112APW compatible with both analog and digital power sources? A: Yes, TPS2112APW is compatible with both analog and digital power sources, making it versatile for various applications.

  9. Q: What is the typical power dissipation of TPS2112APW? A: The power dissipation of TPS2112APW depends on the load current and voltage drop across the switch, but it is typically low due to its efficient design.

  10. Q: Are there any specific layout considerations for using TPS2112APW? A: Yes, it is recommended to follow the manufacturer's guidelines for PCB layout, including proper grounding, thermal management, and minimizing trace lengths to reduce parasitic effects.

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