TXS0108EPWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter
• Characteristics: Bi-directional voltage level shifter with 8 channels
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Converts logic level signals between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• High-Level Input Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Input Voltage: -0.3V to 0.3 x VCC
• High-Level Output Voltage: 0.7 x VCC to VCC + 0.3V
• Low-Level Output Voltage: -0.3V to 0.3 x VCC
• Maximum Output Current: ±25mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The TXS0108EPWR IC has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. I/O1 (Channel 1 Data I/O)
3. GND (Ground)
4. I/O2 (Channel 2 Data I/O)
5. VCCA (Supply Voltage for Side A)
6. I/O3 (Channel 3 Data I/O)
7. VCCB (Supply Voltage for Side B)
8. I/O4 (Channel 4 Data I/O)
9. I/O5 (Channel 5 Data I/O)
10. I/O6 (Channel 6 Data I/O)
11. I/O7 (Channel 7 Data I/O)
12. I/O8 (Channel 8 Data I/O)
13. VCC (Supply Voltage)
14. GND (Ground)
15. OE (Output Enable) 2
16. I/O9 (Channel 9 Data I/O)
17. GND (Ground)
18. I/O10 (Channel 10 Data I/O)
19. VCC (Supply Voltage)
20. GND (Ground)

Functional Features

• Bi-directional voltage level shifting between two different voltage domains.
• Supports bidirectional communication between devices operating at different logic levels.
• Provides voltage translation for both high and low-level signals.
• Allows interfacing between devices with different supply voltages.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Bi-directional functionality simplifies the design of mixed voltage systems.
• Low power consumption.
• High-speed data transmission capability.
• Small package size saves board space.

Disadvantages

• Limited number of channels (8 channels).
• Not suitable for applications requiring a large number of voltage level conversions.
• May introduce signal delay due to voltage translation process.

Working Principles

The TXS0108EPWR is based on a voltage level shifting technique using MOSFETs. It operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels based on the specified supply voltage range. The IC ensures bidirectional communication by automatically detecting the direction of data flow and adjusting the voltage levels accordingly.

Detailed Application Field Plans

The TXS0108EPWR is commonly used in various applications, including:

1. IoT (Internet of Things) devices: Enables communication between devices operating at different voltage levels, such as sensors, microcontrollers, and wireless modules.
2. Industrial automation: Facilitates data exchange between different control systems and sensors with varying logic levels.
3. Consumer electronics: Allows interconnection between devices with different voltage requirements, such as smartphones, tablets, and peripherals.
4. Automotive electronics: Supports communication between different components in vehicles, including sensors, ECUs (Electronic Control Units), and displays.

Detailed and Complete Alternative Models

1. SN74LV1T34DBVR: Single-channel voltage level shifter with a supply voltage range of 1.65V to 5.5V.
2. PCA9306DCUR: Dual bidirectional voltage level translator with a supply voltage range of 1.2V to 3.6V.
3. TXB0108PWR: Eight-channel bi-directional voltage level translator with a supply voltage range of 1.2V to 3.6V.

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

In conclusion, the TXS0108EPWR is a versatile level shifter IC that enables bidirectional voltage level translation between different voltage domains. Its compact package, wide supply voltage range, and multiple channels make it suitable for various applications in different industries. However, designers should consider the limited number of channels and potential signal delay when selecting this IC for their projects.