PI5V331QE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Level Translator
• Characteristics: High-speed, bidirectional voltage translation between different logic levels
• Package: 16-pin QFN (Quad Flat No-Lead)
• Essence: Translates signals between two different voltage domains
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V, 1.8V, 2.5V, and 3.3V
• Maximum Data Rate: 100 Mbps
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PI5V331QE has a total of 16 pins arranged as follows:

```

---

| | | 1 2 3 | | | | 4 5 6 | | | | 7 8 9 | | | | 10 11 12 | |___________| ```

Pin Description: 1. VCCA: Power supply for side A 2. GND: Ground 3. A1: Side A input/output 1 4. A2: Side A input/output 2 5. A3: Side A input/output 3 6. A4: Side A input/output 4 7. OE: Output enable 8. B4: Side B input/output 4 9. B3: Side B input/output 3 10. B2: Side B input/output 2 11. B1: Side B input/output 1 12. GND: Ground 13. VCCB: Power supply for side B 14. B5: Side B input/output 5 15. B6: Side B input/output 6 16. B7: Side B input/output 7

Functional Features

• Bidirectional voltage translation between different logic levels
• Supports multiple voltage levels (1.2V, 1.8V, 2.5V, and 3.3V)
• High-speed data transmission up to 100 Mbps
• Output enable pin for controlling the direction of translation
• Low power consumption
• ESD protection on all pins

Advantages and Disadvantages

Advantages: - Allows seamless communication between devices operating at different voltage levels - High-speed data transmission capability - Wide range of supported voltage levels - Compact package size - ESD protection ensures reliability

Disadvantages: - Limited number of input/output channels - Not suitable for applications requiring voltage translation beyond the supported levels

Working Principles

The PI5V331QE is a bidirectional voltage level translator designed to facilitate communication between devices operating at different logic voltage levels. It utilizes a combination of MOSFETs and level-shifting circuitry to ensure accurate and reliable signal translation.

The device operates by monitoring the input signals on both sides (A and B) and translating them to the corresponding voltage levels on the opposite side. The direction of translation is controlled by the output enable (OE) pin. When OE is high, the translation occurs from side A to side B, and when OE is low, the translation occurs in the opposite direction.

The PI5V331QE also incorporates ESD protection on all pins, safeguarding the device and connected components against electrostatic discharge events.

Detailed Application Field Plans

The PI5V331QE finds applications in various fields where voltage level translation is required. Some of the common application areas include:

1. Embedded Systems: Used in microcontroller-based systems to interface with peripherals operating at different voltage levels.
2. Communication Interfaces: Enables communication between devices using different logic voltage standards, such as UART, SPI, I2C, etc.
3. Consumer Electronics: Facilitates signal translation between components like sensors, displays, and microcontrollers in smartphones, tablets, and other consumer electronic devices.
4. Industrial Automation: Allows integration of modules operating at different voltage levels in industrial control systems.
5. Automotive Electronics: Used for voltage level translation in automotive applications, such as infotainment systems, instrument clusters, and sensor interfaces.

Detailed and Complete Alternative Models

1. SN74LV1T34: Unidirectional voltage level translator with a single input/output channel.
2. TXB0108: Bidirectional voltage level translator with 8 input/output channels.
3. PCA9306: Dual bidirectional voltage level translator with automatic direction sensing.

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

Word count: 550 words