Diodes Incorporated
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PI4ULS3V204LE
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PI4ULS3V204LE

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter
  • Characteristics: Low voltage level shifting, high-speed operation
  • Package: QFN (Quad Flat No-leads)
  • Essence: Translates low voltage signals to higher voltage levels
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Data Rate: 100 Mbps
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PI4ULS3V204LE has a total of 20 pins arranged as follows:

  1. VCCA - Power supply for the A-side logic
  2. GND - Ground reference for the IC
  3. OE - Output Enable
  4. A1 - Input/Output Channel A1
  5. A2 - Input/Output Channel A2
  6. A3 - Input/Output Channel A3
  7. A4 - Input/Output Channel A4
  8. VCCB - Power supply for the B-side logic
  9. B1 - Input/Output Channel B1
  10. B2 - Input/Output Channel B2
  11. B3 - Input/Output Channel B3
  12. B4 - Input/Output Channel B4
  13. GND - Ground reference for the IC
  14. NC - No Connection
  15. SDA - I2C Serial Data
  16. SCL - I2C Serial Clock
  17. GND - Ground reference for the IC
  18. VREF - Reference Voltage
  19. VCC - Power supply for the IC
  20. GND - Ground reference for the IC

Functional Features

  • Bidirectional level shifting between two voltage domains
  • Supports I2C, SMBus, and other low-speed interfaces
  • Automatic direction sensing
  • Low power consumption
  • ESD protection on all pins

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - Small package size saves board space - Automatic direction sensing simplifies design

Disadvantages: - Limited maximum data rate may not be suitable for high-speed applications - Not suitable for level shifting between voltage domains with large differences

Working Principles

The PI4ULS3V204LE is a bidirectional level shifter that translates signals between two voltage domains. It uses a combination of MOSFETs and control logic to achieve level shifting. The device automatically senses the direction of the signal and adjusts the voltage levels accordingly. This allows seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The PI4ULS3V204LE can be used in various applications where level shifting is required. Some potential application fields include:

  1. IoT Devices: Enable communication between low-voltage sensors and higher voltage microcontrollers.
  2. Consumer Electronics: Facilitate data transfer between different voltage domains in smartphones, tablets, and other portable devices.
  3. Industrial Automation: Connect sensors and actuators operating at different voltage levels in industrial control systems.
  4. Automotive Electronics: Interface between low-voltage sensors and higher voltage automotive control units.

Detailed and Complete Alternative Models

  1. TXB0104: Similar bidirectional level shifter with 4 channels, supports higher data rates.
  2. PCA9306: Dual bidirectional level translator with automatic direction sensing.
  3. SN74LVC4245A: Octal bus transceiver with configurable voltage translation.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av PI4ULS3V204LE i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of PI4ULS3V204LE in technical solutions:

  1. Q: What is PI4ULS3V204LE? A: PI4ULS3V204LE is a low-voltage, low-power, quad-channel level shifter designed for translating signals between different voltage domains.

  2. Q: What voltage levels does PI4ULS3V204LE support? A: PI4ULS3V204LE supports voltage translation between 1.2V, 1.8V, 2.5V, 3.3V, and 5V voltage domains.

  3. Q: How many channels does PI4ULS3V204LE have? A: PI4ULS3V204LE has four independent bidirectional channels, allowing for simultaneous translation of multiple signals.

  4. Q: Can PI4ULS3V204LE be used for level shifting between different logic families? A: Yes, PI4ULS3V204LE can be used for level shifting between various logic families such as CMOS, TTL, and LVCMOS.

  5. Q: What is the maximum data rate supported by PI4ULS3V204LE? A: PI4ULS3V204LE supports data rates up to 100 Mbps, making it suitable for a wide range of applications.

  6. Q: Does PI4ULS3V204LE require external power supply decoupling capacitors? A: Yes, PI4ULS3V204LE requires external power supply decoupling capacitors to ensure stable operation and minimize noise.

  7. Q: Can PI4ULS3V204LE be used in both uni-directional and bi-directional applications? A: Yes, PI4ULS3V204LE can be used in both uni-directional and bi-directional applications, depending on the specific requirements.

  8. Q: What is the operating temperature range of PI4ULS3V204LE? A: PI4ULS3V204LE has an operating temperature range of -40°C to +85°C, making it suitable for a wide range of environments.

  9. Q: Does PI4ULS3V204LE have any built-in ESD protection? A: Yes, PI4ULS3V204LE incorporates built-in ESD protection, ensuring robustness against electrostatic discharge events.

  10. Q: What package options are available for PI4ULS3V204LE? A: PI4ULS3V204LE is available in various package options, including TSSOP, QFN, and DFN, providing flexibility for different PCB layouts and space constraints.

Please note that these answers are general and may vary based on the specific datasheet and manufacturer's documentation for PI4ULS3V204LE.