Texas Instruments
圖片可能僅供參考。
有關產品詳細信息，請參閱規格。
TPS65177ARHAR
詳情 數據表

TPS65177ARHAR

Product Overview

Category

The TPS65177ARHAR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in electronic devices to efficiently regulate and control power supply voltages, making it suitable for a wide range of applications.

Characteristics

  • High efficiency: The TPS65177ARHAR offers high conversion efficiency, minimizing power losses during voltage regulation.
  • Wide input voltage range: It can handle a broad range of input voltages, allowing flexibility in various power supply configurations.
  • Low quiescent current: The IC has low power consumption when in standby mode, contributing to energy savings.
  • Overvoltage and overcurrent protection: It incorporates built-in protection mechanisms to safeguard against voltage spikes and excessive current flow.
  • Thermal shutdown: The TPS65177ARHAR includes a thermal shutdown feature that prevents overheating, ensuring safe operation.

Package and Quantity

The TPS65177ARHAR is available in a small outline package (SOIC) with a total of 32 pins. It is typically sold in reels or tubes containing multiple units.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: Adjustable from 1.2V to 5.5V
  • Maximum Output Current: 200mA
  • Operating Temperature Range: -40°C to 85°C
  • Package Type: SOIC-32

Pin Configuration

The TPS65177ARHAR features a total of 32 pins, each serving a specific function. The pin configuration is as follows:

Pin Number | Pin Name | Function -----------|----------|--------- 1 | VIN | Power Supply Input 2 | EN | Enable Control 3 | VCOM | Common Voltage Output 4 | VNEG | Negative Voltage Output 5 | VPOS | Positive Voltage Output 6-9 | GND | Ground 10-17 | NC | No Connection 18 | FB | Feedback Input 19-26 | NC | No Connection 27 | SDA | I2C Serial Data Input 28 | SCL | I2C Serial Clock Input 29-32 | NC | No Connection

Functional Features

The TPS65177ARHAR offers several functional features that enhance its performance and usability:

  1. Adjustable Output Voltage: The IC allows the user to adjust the output voltage within a specified range, providing flexibility for different applications.
  2. I2C Interface: It incorporates an I2C interface, enabling digital communication with other devices and facilitating control and monitoring capabilities.
  3. Soft Start: The soft start feature ensures a gradual increase in output voltage during power-up, preventing sudden voltage surges that could damage connected components.
  4. Fault Detection and Protection: The IC includes built-in fault detection mechanisms such as overvoltage and overcurrent protection, enhancing system reliability and preventing potential damage.

Advantages and Disadvantages

Advantages

  • High efficiency conversion minimizes power losses.
  • Wide input voltage range allows for versatile power supply configurations.
  • Low quiescent current contributes to energy savings.
  • Built-in protection mechanisms ensure safe operation.
  • Small package size facilitates integration into compact electronic devices.

Disadvantages

  • Limited maximum output current may not be suitable for high-power applications.
  • Requires additional external components for certain functionalities.
  • Relatively higher cost compared to some alternative models.

Working Principles

The TPS65177ARHAR operates based on a switching regulator topology. It utilizes a combination of internal power MOSFETs, control circuitry, and feedback mechanisms to regulate the input voltage and provide a stable output voltage. The IC employs pulse-width modulation (PWM) techniques to efficiently convert the input voltage to the desired output voltage level.

Application Field Plans

The TPS65177ARHAR finds applications in various electronic devices that require efficient power management. Some potential application fields include:

  1. Mobile Devices: Smartphones, tablets, and portable media players can benefit from the IC's high efficiency and compact size.
  2. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices can utilize the TPS65177ARHAR for power regulation.
  3. Industrial Control Systems: The IC can be employed in industrial automation systems, providing reliable power supply solutions.
  4. Consumer Electronics: From digital cameras to gaming consoles, the TPS65177ARHAR can enhance power management in a wide range of consumer electronics.

Alternative Models

For those seeking alternative options, several similar ICs are available on the market. These include:

  1. TPS65178ARHAR:

10個與TPS65177ARHAR在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of TPS65177ARHAR in technical solutions:

  1. Q: What is TPS65177ARHAR? A: TPS65177ARHAR is a high-voltage, compact LCD bias solution designed for small- to medium-sized display panels.

  2. Q: What are the key features of TPS65177ARHAR? A: Some key features include integrated boost converter, positive and negative charge pumps, adjustable output voltage, and low quiescent current.

  3. Q: What is the typical application of TPS65177ARHAR? A: TPS65177ARHAR is commonly used in applications such as smartphones, tablets, e-readers, and other portable electronic devices with LCD displays.

  4. Q: How does TPS65177ARHAR help in LCD biasing? A: TPS65177ARHAR provides the necessary voltages for driving the LCD panel, including positive and negative voltages required for the LCD driver ICs.

  5. Q: Can TPS65177ARHAR support multiple display panels simultaneously? A: Yes, TPS65177ARHAR can support multiple display panels by providing independent bias voltages for each panel.

  6. Q: What is the input voltage range supported by TPS65177ARHAR? A: TPS65177ARHAR supports an input voltage range from 2.7V to 5.5V.

  7. Q: Does TPS65177ARHAR have built-in protection features? A: Yes, TPS65177ARHAR includes built-in protection features such as overvoltage protection, undervoltage lockout, and thermal shutdown.

  8. Q: Can TPS65177ARHAR operate in low-power modes? A: Yes, TPS65177ARHAR has a low quiescent current and can operate in low-power modes to conserve energy.

  9. Q: Is TPS65177ARHAR compatible with different LCD technologies? A: Yes, TPS65177ARHAR is compatible with various LCD technologies such as TFT, OLED, and STN.

  10. Q: Are evaluation modules or reference designs available for TPS65177ARHAR? A: Yes, Texas Instruments provides evaluation modules and reference designs to help users quickly prototype and implement TPS65177ARHAR in their applications.

Please note that these answers are general and may vary depending on the specific requirements and use cases of each application.