ZHCSDZ1E
July 2015 – July 2024
TUSB4020BI
PRODUCTION DATA
1
1
特性
2
应用
3
说明
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings #GUID-E9510BAC-794F-43CD-A047-0D0FFB7C50BE/ABSMAXNOTE
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
3.3V I/O Electrical Characteristics
5.6
Hub Input Supply Current
5.7
Power-Up Timing Requirements
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Battery Charging Features
6.3.2
USB Power Management
6.3.3
Clock Generation
6.3.4
Power-Up and Reset
6.4
Device Functional Modes
6.4.1
External Configuration Interface
6.5
Programming
6.5.1
One-Time Programmable (OTP) Configuration
6.5.2
I2C EEPROM Operation
6.5.3
SMBus Target Operation
6.6
Register Maps
6.6.1
Configuration Registers
6.6.1.1
ROM Signature Register (offset = 0h) [reset = 0h]
6.6.1.2
Vendor ID LSB Register (offset = 1h) [reset = 51h]
6.6.1.3
Vendor ID MSB Register (offset = 2h) [reset = 4h]
6.6.1.4
Product ID LSB Register (offset = 3h) [reset = 25h]
6.6.1.5
Product ID MSB Register (offset = 4h) [reset = 80h]
6.6.1.6
Device Configuration Register (offset = 5h) [reset = 1Xh]
6.6.1.7
Battery Charging Support Register (offset = 6h) [reset = 0Xh]
6.6.1.8
Device Removable Configuration Register (offset = 7h) [reset = 0Xh]
6.6.1.9
Port Used Configuration Register (offset = 8h) [reset = 0h]
6.6.1.10
PHY Custom Configuration Register (offset = 9h) [reset = 0h]
6.6.1.11
Device Configuration Register 2 (offset = Ah)
6.6.1.12
UUID Registers (offset = 10h to 1Fh)
6.6.1.13
Language ID LSB Register (offset = 20h)
6.6.1.14
Language ID MSB Register (offset = 21h)
6.6.1.15
Serial Number String Length Register (offset = 22h)
6.6.1.16
Manufacturer String Length Register (offset = 23h)
6.6.1.17
Product String Length Register (offset = 24h)
6.6.1.18
Serial Number Registers (offset = 30h to 4Fh)
6.6.1.19
Manufacturer String Registers (offset = 50h to 8Fh)
6.6.1.20
Product String Registers (offset = 90h to CFh)
6.6.1.21
Additional Feature Configuration Register (offset = F0h)
6.6.1.22
Charging Port Control Register (offset = F2h)
6.6.1.23
Device Status and Command Register (offset = F8h)
7
Application and Implementation
7.1
Application Information
7.1.1
Crystal Requirements
7.1.2
Input Clock Requirements
7.2
Typical Applications
7.2.1
Upstream Port Implementation
7.2.1.1
Design Requirements
7.2.1.2
Detailed Design Procedure
7.2.1.3
Application Curves
7.2.2
Downstream Port 1 Implementation
7.2.3
Downstream Port 2 Implementation
7.2.4
VBUS Power Switch Implementation
7.2.5
Clock, Reset, and Miscellaneous
7.2.6
Power Implementation
7.3
Power Supply Recommendations
7.3.1
Power Supply
7.3.2
Downstream Port Power
7.3.3
Ground
7.4
Layout
7.4.1
Layout Guidelines
7.4.1.1
Placement
7.4.1.2
Package Specific
7.4.1.3
Differential Pairs
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Documentation Support
8.1.1
Related Documentation
8.2
接收文档更新通知
8.3
支持资源
8.4
Trademarks
8.5
静电放电警告
8.6
术语表
9
Revision History
10
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
PHP|48
MPQF051B
散热焊盘机械数据 (封装 | 引脚)
PHP|48
PPTD259B
订购信息
zhcsdz1e_oa
zhcsdz1e_pm
1
特性
双端口 USB 2.0 集线器
USB 2.0 集线器特性:
多事务转换器 (MTT) 集线器:两个事务转换器
每个事务转换器具有四个异步端点缓冲器
兼容 Type C
支持电池充电
CDP 模式(上行端口已连接)
DCP 模式(上行端口未连接)
DCP 模式符合中国电信行业标准 YD/T 1591-2009
D+/D– 分压器模式
支持每端口或成组电源开关以及过流通知输入
OTP ROM、串行 EEPROM 或 I
2
C/SMBus 目标接口可实现定制配置:
VID 和 PID
端口定制
制造商和米6体育平台手机版_好二三四字符串(非通过 OTP ROM)
序列号(非通过 OTP ROM)
可使用端子选择、EEPROM 或 I
2
C/SMBus 目标接口选择应用特性
提供 128 位通用唯一标识符 (UUID)
支持通过 USB 2.0 上行端口进行板载和系统内 OTP/EEPROM 编程
单个时钟输入、24MHz 晶体或晶振
无特殊驱动程序要求;可与任一支持 USB 堆叠的操作系统无缝工作
48 引脚 HTQFP 封装 (PHP)
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