Texas Instruments
Obraz może przedstawiać obraz.
Szczegóły produktu można znaleźć w specyfikacjach.
TPS65138ADRCR
Pokaż szczegóły Arkusze danych

TPS65138ADRCR

Product Overview

Category

The TPS65138ADRCR belongs to the category of power management integrated circuits (PMICs).

Use

It is used for generating and regulating the supply voltages required for driving the source and gate drivers in active matrix thin film transistor (TFT) liquid crystal displays (LCDs).

Characteristics

  • Wide input voltage range
  • Integrated boost converter and two positive charge pumps
  • Programmable VCOM output voltage
  • Low quiescent current
  • Small package size

Package

The TPS65138ADRCR is available in a 24-pin VQFN package.

Essence

The essence of TPS65138ADRCR lies in its ability to efficiently generate and regulate the supply voltages necessary for driving TFT LCDs, while offering flexibility and low power consumption.

Packaging/Quantity

The TPS65138ADRCR is typically sold in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: -4V to 20V
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 300µA

Detailed Pin Configuration

The TPS65138ADRCR features a 24-pin VQFN package with detailed pin configuration as follows: 1. VIN 2. SW 3. PGND 4. LX 5. VNEG 6. VCOM 7. VPOS 8. VGH 9. VGL 10. VCI 11. EN 12. VREG 13. FB 14. AGND 15. VCI 16. VCI 17. VCI 18. VCI 19. VCI 20. VCI 21. VCI 22. VCI 23. VCI 24. VCI

Functional Features

  • Integrated boost converter and charge pumps
  • Programmable VCOM output voltage
  • Power good indicator
  • Overvoltage and overcurrent protection

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for flexibility in power supply selection
  • Low quiescent current minimizes power consumption
  • Integrated features reduce external component count and PCB space

Disadvantages

  • Limited to specific applications in TFT LCD display systems
  • May require additional external components for specific use cases

Working Principles

The TPS65138ADRCR utilizes an integrated boost converter and charge pumps to efficiently generate and regulate the required supply voltages for driving TFT LCDs. The programmable VCOM output voltage allows for customization based on specific display requirements, while the low quiescent current ensures minimal power consumption during operation.

Detailed Application Field Plans

The TPS65138ADRCR is specifically designed for applications in TFT LCD display systems, including but not limited to: - Portable consumer electronics - Industrial control panels - Automotive infotainment systems

Detailed and Complete Alternative Models

Some alternative models to TPS65138ADRCR include: - TPS65138ADRBT - TPS65138ADRB - TPS65138ADRG - TPS65138ADRS

In conclusion, the TPS65138ADRCR is a versatile and efficient PMIC designed for driving TFT LCDs, offering a wide input voltage range, integrated features, and flexibility in application.

[Word Count: 498]

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem TPS65138ADRCR w rozwiązaniach technicznych

  1. What is the TPS65138ADRCR?

    • The TPS65138ADRCR is a dual-output power supply for small form-factor, low-power applications.

  2. What are the input voltage requirements for the TPS65138ADRCR?

    • The input voltage range for the TPS65138ADRCR is typically 2.7V to 5.5V.

  3. What are the typical output voltages of the TPS65138ADRCR?

    • The TPS65138ADRCR provides two regulated output voltages, typically +15V and -15V.

  4. What is the maximum output current capability of the TPS65138ADRCR?

    • The TPS65138ADRCR can provide up to 100mA of output current per channel.

  5. What are the key features of the TPS65138ADRCR?

    • Some key features of the TPS65138ADRCR include integrated boost converter, low quiescent current, and thermal shutdown protection.

  6. Can the TPS65138ADRCR be used in battery-powered applications?

    • Yes, the TPS65138ADRCR's wide input voltage range makes it suitable for battery-powered applications.

  7. Is the TPS65138ADRCR suitable for portable electronic devices?

    • Yes, the TPS65138ADRCR's small form factor and low-power capabilities make it well-suited for portable electronic devices.

  8. Does the TPS65138ADRCR require external components for operation?

    • The TPS65138ADRCR requires minimal external components for operation, making it easy to integrate into designs.

  9. What are the typical applications for the TPS65138ADRCR?

    • Typical applications for the TPS65138ADRCR include e-readers, portable medical devices, and handheld instruments.

  10. Are there any application notes or reference designs available for the TPS65138ADRCR?

    • Yes, Texas Instruments provides application notes and reference designs to assist with the implementation of the TPS65138ADRCR in technical solutions.