SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/7/27
The LSF0102DQER is a compact 2-channel bidirectional voltage level translator designed for mixed-voltage digital systems. It automatically detects signal direction and supports both open-drain and push-pull interfaces without requiring a direction control pin. Its high flexibility and low power consumption make it an ideal solution for embedded systems, industrial electronics, communication devices and consumer products.
Category: Integrated Circuits (ICs), Logic, Translators, Level Shifters
Voltage - VCCB: 0 V ~ 5 V
Manufacturer: Texas Instruments
Output Type: Open Drain, Push-Pull
Packaging: Tape & Reel (TR), Cut Tape (CT), Digi-Reel®
Operating Temperature: -40°C ~ 125°C (TA)
Part Status: Active
Features: Auto-Direction Sensing
Translator Type: Voltage Level
Mounting Type: Surface Mount
Channel Type: Bidirectional
Package / Case: 8-XFDFN
Number of Circuits: 1
Supplier Device Package: 8-X2SON (1.4x1)
Channels per Circuit: 2
Base Product Number: LSF0102
Voltage - VCCA: 0 V ~ 5 V
Automatic Bidirectional Voltage Translation: The LSF0102DQER automatically senses the direction of data flow without requiring a dedicated direction control pin. This simplifies PCB routing and reduces software complexity while allowing seamless communication between devices operating at different voltage levels. It is especially suitable for applications where signal direction changes dynamically.
Wide Voltage Translation Range: The device supports voltage translation between logic levels from 0.95V to 5V, enabling communication between modern low-voltage processors and traditional 3.3V or 5V peripherals. Its wide operating range makes it compatible with a broad variety of microcontrollers, processors and digital interface devices.
Supports Open-Drain and Push-Pull Interfaces: Unlike many conventional level translators, the LSF0102DQER supports both open-drain and push-pull communication standards. It can be used with I²C, SPI, GPIO and other digital interfaces, reducing the number of different interface devices required in a system and increasing design flexibility.
Compact Package and Low Power Consumption: Packaged in an ultra-small 8-pin X2SON package, the device occupies minimal PCB space while consuming very little power during operation. This makes it ideal for portable electronics, wearable devices and compact embedded products where board space and energy efficiency are critical.
Reliable Industrial Performance: The LSF0102DQER supports an operating temperature range of -40°C to +125°C, ensuring reliable performance in industrial and automotive-adjacent environments. Its robust electrical characteristics make it suitable for long-term operation in harsh conditions.
I²C Bus Voltage Translation: The device is commonly used to connect I²C devices operating at different logic voltages, ensuring reliable bidirectional communication between sensors, EEPROMs and microcontrollers.
SPI and GPIO Interface Conversion: The LSF0102DQER enables voltage level conversion for SPI buses and GPIO signals, allowing processors and peripheral devices with different supply voltages to communicate reliably.
Embedded Systems: Embedded processors and microcontrollers use the device to interface with sensors, memory devices and communication modules operating at different voltage levels.
Industrial Automation: Industrial controllers, PLCs and automation equipment integrate the LSF0102DQER to ensure reliable communication between mixed-voltage digital components.
Consumer Electronics: Smart home devices, portable electronics and wearable products use the level translator to connect modern low-voltage processors with legacy peripheral devices while minimizing PCB area.
The LSF0102DQER combines automatic bidirectional operation, wide voltage compatibility and compact packaging in a highly flexible level translation solution. It is an excellent choice for embedded systems, industrial automation and digital interface applications requiring reliable communication between different voltage domains.