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TPS65471RHAR
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TPS65471RHAR

Product Overview

Category

The TPS65471RHAR belongs to the category of integrated power management devices.

Use

It is primarily used for power management in various electronic systems and applications.

Characteristics

  • Integrated power management solution
  • High efficiency and low power consumption
  • Compact package size
  • Wide input voltage range
  • Multiple output channels
  • Flexible configuration options

Package

The TPS65471RHAR is available in a small outline package (SOIC) with exposed pad for enhanced thermal dissipation.

Essence

The essence of TPS65471RHAR lies in its ability to efficiently manage power distribution and regulation within electronic systems, ensuring optimal performance and reliability.

Packaging/Quantity

The TPS65471RHAR is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Output Voltage Range: Adjustable, depending on configuration
  • Number of Output Channels: 4
  • Maximum Output Current: Varies based on configuration
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOIC-28 with exposed pad

Detailed Pin Configuration

The TPS65471RHAR features a total of 28 pins, each serving a specific function. The pin configuration is as follows:

  1. VIN1: Input voltage for channel 1
  2. VIN2: Input voltage for channel 2
  3. VIN3: Input voltage for channel 3
  4. VIN4: Input voltage for channel 4
  5. GND: Ground reference
  6. SW1: Switch node for channel 1
  7. SW2: Switch node for channel 2
  8. SW3: Switch node for channel 3
  9. SW4: Switch node for channel 4
  10. FB1: Feedback pin for channel 1
  11. FB2: Feedback pin for channel 2
  12. FB3: Feedback pin for channel 3
  13. FB4: Feedback pin for channel 4
  14. EN1: Enable pin for channel 1
  15. EN2: Enable pin for channel 2
  16. EN3: Enable pin for channel 3
  17. EN4: Enable pin for channel 4
  18. VCC: Power supply input
  19. PGND: Power ground reference
  20. VREG: Regulated output voltage
  21. VREF: Reference voltage output
  22. SS/TR: Soft-start and tracking control
  23. ISET: Current limit setting
  24. CLK: Clock input
  25. SYNC: Synchronization input
  26. MODE: Mode selection pin
  27. PGOOD: Power good indicator
  28. THERM: Thermal pad for heat dissipation

Functional Features

  • Integrated power management solution with multiple output channels
  • Efficient power conversion and regulation
  • Flexible configuration options for different system requirements
  • Protection features such as overvoltage and overcurrent protection
  • Soft-start and tracking control for smooth power-up sequences
  • Synchronization capability for multi-device operation
  • Power good indicator for monitoring system status

Advantages and Disadvantages

Advantages

  • High efficiency, leading to reduced power consumption
  • Compact package size, enabling space-saving designs
  • Wide input voltage range, accommodating various power sources
  • Multiple output channels, providing flexibility for different loads
  • Comprehensive protection features, enhancing system reliability

Disadvantages

  • Limited maximum output current per channel, may not be suitable for high-power applications
  • Requires careful consideration of thermal management due to compact package size

Working Principles

The TPS65471RHAR operates based on a combination of switching regulators, voltage references, and control circuitry. It takes an input voltage within the specified range and converts it into regulated output voltages for different channels. The device utilizes various control techniques to maintain stable output voltages under different load conditions.

Detailed Application Field Plans

The TPS65471RHAR finds applications in a wide range of electronic systems, including but not limited to: - Portable devices such as smartphones and tablets - Industrial automation equipment - Automotive electronics - IoT (Internet of Things) devices - Power supply modules

Detailed and Complete Alternative Models

  1. TPS65472RHAR: Similar to TPS65471RHAR with additional features for enhanced power management capabilities.
  2. TPS65473RHAR: Higher current handling capacity compared to TPS65471RHAR, suitable for more demanding applications.
  3. TPS65474RHAR: Compact variant with reduced pin count, ideal for space-constrained designs.

These alternative models offer similar functionality to the TPS65471RHAR while catering to specific requirements or constraints.

*Note:

Énumérez 10 questions et réponses courantes liées à l'application de TPS65471RHAR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of TPS65471RHAR in technical solutions:

  1. Q: What is TPS65471RHAR? A: TPS65471RHAR is a highly integrated power management IC (PMIC) designed for various applications, including industrial automation, motor control, and power supplies.

  2. Q: What are the key features of TPS65471RHAR? A: Some key features of TPS65471RHAR include four synchronous buck converters, one boost converter, and an I2C interface for configuration and monitoring.

  3. Q: What is the input voltage range supported by TPS65471RHAR? A: TPS65471RHAR supports an input voltage range from 4.5V to 18V.

  4. Q: How many output channels does TPS65471RHAR have? A: TPS65471RHAR has five output channels, including four buck converters and one boost converter.

  5. Q: What is the maximum output current supported by each channel? A: Each buck converter channel of TPS65471RHAR can support up to 1.5A, while the boost converter channel can support up to 2A.

  6. Q: Can TPS65471RHAR operate in a wide temperature range? A: Yes, TPS65471RHAR is designed to operate in a temperature range from -40°C to 125°C.

  7. Q: Does TPS65471RHAR provide any protection features? A: Yes, TPS65471RHAR includes various protection features such as overvoltage protection, undervoltage lockout, thermal shutdown, and short-circuit protection.

  8. Q: Is TPS65471RHAR suitable for battery-powered applications? A: Yes, TPS65471RHAR is suitable for battery-powered applications as it supports a wide input voltage range and provides efficient power conversion.

  9. Q: Can TPS65471RHAR be controlled and monitored remotely? A: Yes, TPS65471RHAR features an I2C interface that allows remote control and monitoring of the device.

  10. Q: Are there any evaluation modules or reference designs available for TPS65471RHAR? A: Yes, Texas Instruments provides evaluation modules and reference designs for TPS65471RHAR to help users quickly prototype and implement their technical solutions.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.