Manufacturer Part Number

TUSB3410RHBR

Description

USB to serial port controller IC from Texas Instruments. Supports USB, UART, and I2C interfaces. Integrated 8052 processor. Comes in 32-pin QFN package. Used for converting USB data to serial data and vice versa. Obsolete status; only available from existing stock or selected suppliers.

Specifications

Embedded integrated circuit. Program memory is 10KB ROM. RAM size is 18K x 8. Works with supply voltage from 3V to 3.6V. Operates between 0°C to 70°C. 32-VFQFN exposed pad package with 5x5mm footprint. Supports 4 general I/O. RoHS3 compliant and REACH unaffected. Moisture Sensitivity Level is 2 for up to 1 year. Core controller is 8052 series.

Device Structure

Single-chip design with embedded microcontroller (8052 architecture). Integrates ROM and RAM. Contains interface circuits for USB, UART, and I2C. Surface mount construction with 32 pins and an exposed pad for better thermal management.

Performance Characteristics

Provides USB to serial communications with fast data conversion. Low operating voltage improves power efficiency. Compatible with standard USB protocols. Reliable for industrial temp ranges (0°C to 70°C). Meets international compliance for RoHS and REACH. ECCN designation EAR99.

Application Environments

Suited for embedded systems needing USB to serial data conversion. Used in legacy device connection, industrial automation, data collection terminals, or any application requiring USB to UART/I2C. Suitable for surface mount PCBs or compact layouts.

Selection Guidelines

Choose for designs requiring integrated USB-to-serial controller that supports multiple interfaces. Validate power requirements and operating temperature against system needs. Consider package size (32-VQFN, 5x5mm) for PCB compatibility. Note device is obsolete; ensure supply availability before design commitment.

Usage Considerations

Obsolete status may affect long-term availability; check inventory carefully. Recommend using in maintenance, repairs, or for legacy system upgrades rather than new designs. Mind moisture sensitivity (MSL 2, up to 1 year storage life). Verify interface compatibility (I2C, UART, USB) with your system. Check for updated regulatory and environmental compliance.

Potential Equivalent/Replacement Models

There may be alternative USB-to-serial bridge ICs available from Texas Instruments or other manufacturers, such as FTDI FT232RL, Silicon Labs CP2102, Microchip MCP2200. Carefully compare interface types, package options, voltage ratings, and memory specifications. If you need more guidance or an exact replacement, contact the Ariat-Tech sales team for in-depth support and availability.

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