Product details

Type Passive switch Function USB2 USB speed (Mbps) 480 Number of channels (#) 2 Supply voltage (Max) (V) 6.7 Supply voltage (Min) (V) 2.8 Ron (Typ) (Ohms) 4.5 Input/ouput voltage (Min) (V) -1.5 Input/ouput voltage (Max) (V) 6 Configuration 3:1 Features USB 2.0, Audio Switch (Negative Rail Capability), Integrated LDO, Impedance Detection Rating Catalog Operating temperature range (C) -40 to 85 ICC (Max) (uA) See data sheet ESD HBM (Typ) (kV) 1.5 Bandwidth (MHz) 830
Type Passive switch Function USB2 USB speed (Mbps) 480 Number of channels (#) 2 Supply voltage (Max) (V) 6.7 Supply voltage (Min) (V) 2.8 Ron (Typ) (Ohms) 4.5 Input/ouput voltage (Min) (V) -1.5 Input/ouput voltage (Max) (V) 6 Configuration 3:1 Features USB 2.0, Audio Switch (Negative Rail Capability), Integrated LDO, Impedance Detection Rating Catalog Operating temperature range (C) -40 to 85 ICC (Max) (uA) See data sheet ESD HBM (Typ) (kV) 1.5 Bandwidth (MHz) 830
DSBGA (YZP) 20 0 mm² 1.831 x 2.331
  • Compatible Accessories
    • USB Data Cable
    • UART Cable
    • Charger (Dedicated Charger or Host/Hub Charger)
    • Stereo Headset With Mic
  • Integrated LDOs for VREF and Mic Bias
  • USB and UART Path Supports USB 2.0 High Speed
  • Audio Path Provides Negative Rail Support and Click/Pop Reduction
  • Supports Factory Test Mode
  • 1.8-V Compatible I2C Interface
  • ESD Performance Tested Per JESD 22
    • 1500-V Human-Body Model
      (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • Compatible Accessories
    • USB Data Cable
    • UART Cable
    • Charger (Dedicated Charger or Host/Hub Charger)
    • Stereo Headset With Mic
  • Integrated LDOs for VREF and Mic Bias
  • USB and UART Path Supports USB 2.0 High Speed
  • Audio Path Provides Negative Rail Support and Click/Pop Reduction
  • Supports Factory Test Mode
  • 1.8-V Compatible I2C Interface
  • ESD Performance Tested Per JESD 22
    • 1500-V Human-Body Model
      (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)

The TSU5611 is designed to interface the cellular phone UART, USB, and audio chips with external peripherals via a micro-USB connector. The switch features impedance detection for identification of various accessories that are attached through DP and DM of the micro-USB port. When an accessory is plugged into the micro-USB port, the switch uses a detection mechanism to identify the accessory (see the State Machine for details). It will then switch to the appropriate channel–data, audio, or UART.

The TSU5611 has an I2C interface for communication with the cellular phone baseband or applications processor. An interrupt is generated when anything plugged into the micro-USB is detected. Another interrupt is generated when the device is unplugged.

The TSU5611 is designed to interface the cellular phone UART, USB, and audio chips with external peripherals via a micro-USB connector. The switch features impedance detection for identification of various accessories that are attached through DP and DM of the micro-USB port. When an accessory is plugged into the micro-USB port, the switch uses a detection mechanism to identify the accessory (see the State Machine for details). It will then switch to the appropriate channel–data, audio, or UART.

The TSU5611 has an I2C interface for communication with the cellular phone baseband or applications processor. An interrupt is generated when anything plugged into the micro-USB is detected. Another interrupt is generated when the device is unplugged.

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Technical documentation

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Type Title Date
* Data sheet DP3T Switch w/Imped Detect Micro-USB Switch Supports USB, UART, Audio, Chrgr Det datasheet (Rev. A) 08 Nov 2011
Application note High-Speed Interface Layout Guidelines (Rev. H) 11 Oct 2018

Design & development

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Simulation model

TSU5611 HSpice Model (Win)

SCDM138.ZIP (570 KB) - HSpice Model
Simulation model

TSU5611 HSpice Model (Linux)

SCDM139.ZIP (570 KB) - HSpice Model
Simulation tool

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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 (...)
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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 (...)
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