ZHCSGQ2B August   2017  – September 2017 TUSB213

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 EQ
      2. 7.3.2 DC BOOST
    4. 7.4 Device Functional Modes
      1. 7.4.1 Low Speed (LS) Mode
      2. 7.4.2 Full Speed (FS) Mode
      3. 7.4.3 High Speed (HS) Mode
      4. 7.4.4 Shutdown Mode
      5. 7.4.5 I2C Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Test Procedure to Construct USB High Speed Eye Diagram
          1. 8.2.2.1.1 For a Host Side Application
          2. 8.2.2.1.2 For a Device Side Application
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11器件和文档支持
    1. 11.1 接收文档更新通知
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 Glossary
  12. 12机械、封装和可订购信息

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • RGY|14
散热焊盘机械数据 (封装 | 引脚)
订购信息

5 Pin Configuration and Functions

RGY Package
14 Pin (VQFN)
Top View

Pin Functions

PIN I/O INTERNAL
PULLUP/PULLDOWN		 DESCRIPTION
NAME NO.
EQ 1 I N/A USB High Speed AC boost select via external pull down resistor.
Sampled upon de-assertion of RSTN. Does not recognize real time adjustments.
See application section for details. Auto selects maximum AC boost level when left floating.
NC 2, 3 N/A N/A Leave unconnected.
DC_BOOST(2)/ENA_HS 4 I/O In I2C mode:
Reserved for TI test purpose.
In non-I2C mode:
At reset: 3-level input signal DC_BOOST. USB High Speed DC signal boost selection.
H (pin is pulled high) – 80 mV
M (pin is left floating) – 60 mV
L (pin is pulled low) – 40 mV
After reset: Output signal ENA_HS. Flag indicating that channel is in High Speed mode. Asserted upon:
1. Detection of USB-IF High Speed test fixture from an unconnected state followed by transmission of USB TEST_PACKET pattern.
2. Squelch detection following USB reset with a successful HS handshake [HS handshake is declared to be successful after single chirp J chirp K pair where each chirp is within 18 μs – 128 μs].
D2P 5 I/O N/A USB High Speed positive port.
D2M 6 I/O N/A USB High Speed negative port.
GND 7 PWR N/A Ground
VREG 8 O N/A 1.8-V LDO output. Only enabled when operating in High Speed mode. Requires 0.1-µF external capacitor to GND to stabilize the core.
D1M 9 I/O N/A USB High Speed negative port..
D1P 10 I/O N/A USB High Speed positive port.
SDA(1) 11 I/O RSTN asserted: 500 kΩ PD I2C Mode:
Bidirectional I2C data pin [I2C address = 0x2C].
In non I2C mode:
Reserved for TI test purpose.
VCC 12 PWR N/A Supply power
SCL(1)/CD 13 I/O RSTN asserted: 500 kΩ PD In I2C mode:
I2C clock pin [I2C address = 0x2C].
Non I2C mode:
After reset: Output CD. Flag indicating that a USB device is attached (connection detected). Asserted from an unconnected state upon detection of DP or DM pull-up resistor. De-asserted upon detection of disconnect.
RSTN 14 I 500 kΩ PU Device disable/enable.
Low – Device is at reset and in shutdown, and
High – Normal operation.
Recommend 0.1-µF external capacitor to GND to ensure clean power on reset if not driven.
If the pin is driven, it must be held low until the supply voltage for the device reaches within specifications.
(1) Pull-up resistors for SDA and SCL pins in I2C mode should be 4.7 kΩ (5%). If both SDA and SCL are pulled up at reset the device enters into I2C mode.
(2) Pull-down and pull-up (to 3.3 V) resistors for DC_BOOST pins must be between 22 kΩ to 47 kΩ in non I2C mode.
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