FXMA2102L8X is a dual-channel bidirectional auto voltage level shifter from onsemi, supporting seamless signal translation across 1.2V~3.3V voltage domains without direction control pin. Integrated pull-up/down impedance for low-speed digital buses including I2C, SPI, UART. Housed in compact L8 package with industrial temperature range -40℃~+85℃ and ultra-low quiescent power consumption, eliminating extra divider resistors to simplify PCB design for multi-MCU heterogeneous systems.

1. Channel Count: 2 independent bidirectional translation lanes 2. Voltage Domain A: 1.2V~3.3V; Domain B: 1.2V~3.3V, independent unequal supply 3. Max Data Rate: 100 Mbps 4. Package: Mini L8 SMD package 5. Operating Temp: Industrial grade -40℃ ~ +85℃ 6. Quiescent Current: 0.5μA typical 7. Bus Compatibility: Open-drain I2C multi-master bus compliant

1. Fully automatic bidirectional translation, no DIR control pin, zero software direction management 2. Full 1.2V~3.3V wide voltage coverage for mixed FPGA, MCU, sensor hardware 3. Integrated matching impedance removes external pull-up resistors and cuts BOM cost 4. Ultra-low leakage current, negligible standby power drain for battery-powered devices 5. Open-drain I2C support without signal distortion under multi-device bus load

1. Cross-level communication between main MCU and 1.8V FPGA/sensors 2. Voltage bridging for I2C EEPROM, temperature & accelerometer sensors 3. Mixed-signal translation boards for industrial PLC remote IO modules 4. Low-power signal translation for portable medical testers & handheld loggers