Texas Instruments
L'immagine può essere rappresentativa.
Vedi le specifiche per i dettagli del prodotto.
TPS70148PWPR
vedi dettagli Schede tecniche

TPS70148PWPR

Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - High Efficiency - Low Quiescent Current - Wide Input Voltage Range - Adjustable Output Voltage - Overcurrent Protection - Thermal Shutdown Protection

Package: HTSSOP-28

Essence: The TPS70148PWPR is a power management integrated circuit designed to provide efficient and reliable power supply solutions for various electronic devices.

Packaging/Quantity: The TPS70148PWPR is available in a HTSSOP-28 package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 2.7V to 6.5V
  • Output Voltage Range: 0.8V to 5.5V
  • Output Current: Up to 1.5A
  • Quiescent Current: 40µA (typical)
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS70148PWPR has a total of 28 pins. The detailed pin configuration is as follows:

  1. VIN - Input voltage
  2. EN - Enable pin
  3. PG - Power good indicator
  4. VOUT - Output voltage
  5. FB - Feedback pin
  6. GND - Ground
  7. SW - Switching node
  8. BST - Bootstrap capacitor connection
  9. SS/TR - Soft-start/tracking pin
  10. COMP - Compensation pin
  11. AGND - Analog ground
  12. AGND - Analog ground
  13. AGND - Analog ground
  14. AGND - Analog ground
  15. AGND - Analog ground
  16. AGND - Analog ground
  17. AGND - Analog ground
  18. AGND - Analog ground
  19. AGND - Analog ground
  20. AGND - Analog ground
  21. AGND - Analog ground
  22. AGND - Analog ground
  23. AGND - Analog ground
  24. AGND - Analog ground
  25. AGND - Analog ground
  26. AGND - Analog ground
  27. AGND - Analog ground
  28. AGND - Analog ground

Functional Features

  • Wide input voltage range allows for compatibility with various power sources.
  • Adjustable output voltage provides flexibility in meeting different device requirements.
  • High efficiency ensures minimal power loss during operation.
  • Overcurrent protection safeguards the circuit and connected devices from excessive current.
  • Thermal shutdown protection prevents overheating and damage to the IC.

Advantages

  • Compact and space-saving HTSSOP-28 package.
  • Low quiescent current minimizes power consumption during standby or idle modes.
  • Wide operating temperature range enables reliable performance in extreme conditions.
  • Excellent efficiency rating reduces energy waste and prolongs battery life.

Disadvantages

  • Limited output current of up to 1.5A may not be sufficient for high-power applications.
  • Lack of detailed pin descriptions in the datasheet may require additional research.

Working Principles

The TPS70148PWPR operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to efficiently regulate the output voltage while minimizing power dissipation. The integrated control circuitry ensures stable and accurate voltage regulation under varying load conditions.

Detailed Application Field Plans

The TPS70148PWPR is commonly used in various electronic devices that require efficient power management. Some typical application fields include:

  1. Portable electronic devices (e.g., smartphones, tablets, portable media players)
  2. Battery-powered devices (e.g., wireless sensors, IoT devices)
  3. Industrial control systems
  4. Automotive electronics
  5. Medical devices

Detailed and Complete Alternative Models

  1. TPS70148PWP - Similar specifications and features, but available in a TSSOP-28 package.
  2. TPS70149PWPR - Higher output current capability (up to 2A) with similar characteristics and package.

Please note that the above alternative models are provided as examples and may not cover all possible alternatives. It is recommended to refer to the manufacturer's documentation for a comprehensive list of alternative models.

Word count: 560 words

10 domande e risposte comuni relative all'applicazione di TPS70148PWPR nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of TPS70148PWPR in technical solutions:

  1. Q: What is TPS70148PWPR? A: TPS70148PWPR is a voltage regulator IC (integrated circuit) designed for power management applications.

  2. Q: What is the input voltage range of TPS70148PWPR? A: The input voltage range of TPS70148PWPR is typically between 2.7V and 6.5V.

  3. Q: What is the output voltage range of TPS70148PWPR? A: The output voltage range of TPS70148PWPR can be adjusted from 0.8V to 5.5V.

  4. Q: What is the maximum output current of TPS70148PWPR? A: TPS70148PWPR can provide a maximum output current of up to 1.5A.

  5. Q: Is TPS70148PWPR suitable for battery-powered applications? A: Yes, TPS70148PWPR is suitable for battery-powered applications as it has low quiescent current and supports low-power modes.

  6. Q: Can TPS70148PWPR handle high input voltage transients? A: Yes, TPS70148PWPR has built-in protection features that allow it to handle high input voltage transients without damage.

  7. Q: Does TPS70148PWPR have thermal shutdown protection? A: Yes, TPS70148PWPR has built-in thermal shutdown protection to prevent overheating.

  8. Q: Can TPS70148PWPR operate in a wide temperature range? A: Yes, TPS70148PWPR is designed to operate in a wide temperature range, typically from -40°C to 125°C.

  9. Q: Does TPS70148PWPR have short-circuit protection? A: Yes, TPS70148PWPR has built-in short-circuit protection to prevent damage in case of a short circuit.

  10. Q: What are some typical applications of TPS70148PWPR? A: TPS70148PWPR is commonly used in various technical solutions such as industrial automation, consumer electronics, and automotive systems for power management and voltage regulation.

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