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TUSB2E221

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2-port eUSB2 to USB2.0 repeater, eUSB 1.2

Product details

Type Redriver Function USB 2.0 USB speed (MBits) 480 Number of channels 2 Supply voltage (max) (V) 1.98, 3.6 Supply voltage (min) (V) 1.62, 3 Input/output voltage (min) (V) 0 Input/output voltage (max) (V) 3.6 Configuration Dual-channel Features Full-speed (FS), High-speed (HS) signals, implementation of USB 2.0 and eUSB2 compliance port Support for Low-speed (LS) Rating Catalog Operating temperature range (°C) -40 to 85 ESD HBM (typ) (kV) 1.5 Bandwidth (MHz) 240
Type Redriver Function USB 2.0 USB speed (MBits) 480 Number of channels 2 Supply voltage (max) (V) 1.98, 3.6 Supply voltage (min) (V) 1.62, 3 Input/output voltage (min) (V) 0 Input/output voltage (max) (V) 3.6 Configuration Dual-channel Features Full-speed (FS), High-speed (HS) signals, implementation of USB 2.0 and eUSB2 compliance port Support for Low-speed (LS) Rating Catalog Operating temperature range (°C) -40 to 85 ESD HBM (typ) (kV) 1.5 Bandwidth (MHz) 240
DSBGA (YCG) 25 3.0625 mm² 1.75 x 1.75
  • Compliance to USB 2.0 and eUSB2 (rev 1.2)
  • Support for low-speed (LS), full-speed (FS), high-speed (HS)
  • Best-in-class high-speed total jitter of 20ps
  • Register access protocol receptor capable
  • Dual independent repeater
  • 2:2 crossbar mux (DSBGA package only)
  • Host and device mode (DRD) support
  • Selection between 1.2V and 1.8V control or I2C levels using VIOSEL pin
  • Auto detection for I2C or strap-pin options
    • Three strap-pins for USB 2.0 high-speed channel compensation settings
    • I2C device interface for more configurations
  • Device variants
    • eUSB2 1.0V or 1.2V signaling interface
    • Four eUSB2 trace loss compensation levels for different product form-factors: 2.5, 5, 7.5, and 10 inches
  • Supports auto-resume ECR as well as L2 interrupt resume mode
  • CTA-936 USB Carkit UART support
  • Optional BC1.2 CDP battery charging and detection support
  • Optional GPIO modes for EQ pins for debug and I2C ↔ GPIOs through EQ0/1
  • I2C accessible debug capabilities for manufacturing tests
  • Compliance to USB 2.0 and eUSB2 (rev 1.2)
  • Support for low-speed (LS), full-speed (FS), high-speed (HS)
  • Best-in-class high-speed total jitter of 20ps
  • Register access protocol receptor capable
  • Dual independent repeater
  • 2:2 crossbar mux (DSBGA package only)
  • Host and device mode (DRD) support
  • Selection between 1.2V and 1.8V control or I2C levels using VIOSEL pin
  • Auto detection for I2C or strap-pin options
    • Three strap-pins for USB 2.0 high-speed channel compensation settings
    • I2C device interface for more configurations
  • Device variants
    • eUSB2 1.0V or 1.2V signaling interface
    • Four eUSB2 trace loss compensation levels for different product form-factors: 2.5, 5, 7.5, and 10 inches
  • Supports auto-resume ECR as well as L2 interrupt resume mode
  • CTA-936 USB Carkit UART support
  • Optional BC1.2 CDP battery charging and detection support
  • Optional GPIO modes for EQ pins for debug and I2C ↔ GPIOs through EQ0/1
  • I2C accessible debug capabilities for manufacturing tests

The TUSB2E221 enables implementation of USB 2.0 compliant port on newer processors using lower voltage processes.

The TUSB2E221 is a USB eUSB2-USB 2.0 repeater supporting both device and host modes. The TUSB2E221 supports USB low-speed (LS) and full-speed (FS) signals and high-speed (HS) signals.

The TUSB2E221 is designed to interface with eUSB2 eDSPr or eUSPr operating at 1.2V single-ended signaling.

The TUSB2E221 has multiple patented designs to provide robust interoperability, optimum performance, and power.

For systems without an I2C interface, the device offers eight individual settings with three strap-pins for USB 2.0 channel Equivalent Series Resistance (ESR) up to 17.5Ω. Device variants are available for different levels of eUSB2 trace length compensation up to 10 inches.

The I2C interface permits additional flexibility for fine tuning of the device’s RX and TX settings. The available settings are RX equalization, RX squelch threshold, RX disconnect thresholds, TX amplitude, TX slew rate and TX pre-emphasis.

Various debug options are available through the three EQ pins that can be configured to monitor various USB bus states or interrupt as well as CTA-936 UART mode control that can provide SoC debug capabilities. EQ0 and EQ1 can be used as general purpose I2C to GPIOs bridge.

The TUSB2E221 enables implementation of USB 2.0 compliant port on newer processors using lower voltage processes.

The TUSB2E221 is a USB eUSB2-USB 2.0 repeater supporting both device and host modes. The TUSB2E221 supports USB low-speed (LS) and full-speed (FS) signals and high-speed (HS) signals.

The TUSB2E221 is designed to interface with eUSB2 eDSPr or eUSPr operating at 1.2V single-ended signaling.

The TUSB2E221 has multiple patented designs to provide robust interoperability, optimum performance, and power.

For systems without an I2C interface, the device offers eight individual settings with three strap-pins for USB 2.0 channel Equivalent Series Resistance (ESR) up to 17.5Ω. Device variants are available for different levels of eUSB2 trace length compensation up to 10 inches.

The I2C interface permits additional flexibility for fine tuning of the device’s RX and TX settings. The available settings are RX equalization, RX squelch threshold, RX disconnect thresholds, TX amplitude, TX slew rate and TX pre-emphasis.

Various debug options are available through the three EQ pins that can be configured to monitor various USB bus states or interrupt as well as CTA-936 UART mode control that can provide SoC debug capabilities. EQ0 and EQ1 can be used as general purpose I2C to GPIOs bridge.

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Technical documentation

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* Data sheet TUSB2E221 USB 2.0-eUSB2 Dual Repeater datasheet PDF | HTML 14 Jun 2024
EVM User's guide TUSB2E221 Evaluation Module User's Guide PDF | HTML 21 May 2024

Design & development

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Evaluation board

TUSB2E221EVM — TUSB2E221 evaluation module

The TUSB2E221EVM is designed to facilitate evaluation and validate the performance of the TUSB2E221 two-port eUSB repeater. The TUSB2E221 evaluation module (EVM) incorporates two micro-A/B USB 2.0 ports to connect to USB compliant hosts, hubs or devices. The EVM also has two sets of SMP connectors (...)
User guide: PDF | HTML
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
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DSBGA (YCG) 25 Ultra Librarian

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