FXL4TD245UMX

I.Overview of FXL4TD245UMX

The FXL4TD245UMX is a quad bidirectional voltage-level translator from onsemi, packaged in an ultra-compact 16-UMLP housing. This device enables bidirectional level shifting across a wide voltage range of 1.1V to 3.6V, featuring tri-state outputs and power-off protection. It is specifically designed for portable devices and mixed-voltage systems requiring data communication between different voltage domains.

II.FXL4TD245UMX Parameter

Category:Integrated Circuits (ICs);Logic;Translators, Level Shifters

Manufacturer:onsemi

Packaging:Tape & Reel (TR);Cut Tape (CT)

Part Status:Active

Translator Type:Voltage Level

Channel Type:Bidirectional

Number of Circuits:1

Channels per Circuit:4

Voltage - VCCA:1.1 V ~ 3.6 V

Voltage - VCCB:1.1 V ~ 3.6 V

Output Type:Tri-State, Non-Inverted

Operating Temperature:-40°C ~ 85°C (TA)

Features:Power-Off Protection

Mounting Type:Surface Mount

Package / Case:16-UFQFN

Supplier Device Package:16-UMLP (1.8x2.6)

Base Product Number:FXL4TD245

III.FXL4TD245UMX Main Characteristics

Bidirectional Level Shifting: Four independent channels support bidirectional translation without direction control signals

Wide Voltage Range: Both VCCA and VCCB support 1.1V to 3.6V

Tri-State Output: Supports high-impedance state for bus applications

Power-Off Protection: I/O ports become high-Z when either supply is off, preventing backflow current

Ultra-Small Package: 16-UFQFN (UMLP) package measuring only 1.8×2.6mm, saving PCB space

Wide Temperature Range: Operates from -40°C to 85°C ambient temperature

Automatic Direction Control: Automatically detects data transmission direction

IV.FXL4TD245UMX Application 

Portable Devices: Connects baseband processors with application processors in phones and tablets

IoT Devices: Interfaces between sensors and main controllers with different voltage levels

Mixed-Voltage Systems: Facilitates signal conversion in digital systems with multiple voltage domains

Communication Interfaces: Level shifting for serial buses like I²C, SPI, and UART

Industrial Control: Enables interconnection of devices at different voltages in PLCs and industrial PCs

V.Conclusion

The FXL4TD245UMX is a high-performance, compact quad bidirectional level translator. Its unique automatic bidirectional sensing architecture, wide operating voltage range, power-off protection, and ultra-small package make it an ideal choice for space-constrained portable devices and mixed-voltage systems. Whether in consumer electronics, industrial control, or IoT applications, this device provides a reliable and efficient solution for communication between different voltage domains.