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參數資料
| 型號： | CP2103EK |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數： | 8/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | KIT EVAL FOR CP2103 USB TO UART |
| 產品培訓模塊： | USB Protocol Products USBXpress CP21xx USB Bridge |
| 標準包裝： | 1 |
| 主要目的： | 接口，USB 2.0 至 UART（RS232）電橋 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | CP2103 |
| 主要屬性： | 全速，300 bps 至 1 Mbps |
| 次要屬性： | 軟件、連接器可直接訪問 UART 信號 |
| 已供物品： | 板，線纜，CD |
| 產品目錄頁面： | 627 (CN2011-ZH PDF) |
| 相關產品： | CP2103-GMR-ND - IC CTRLR BRIDGE USB-UART 28MLP 336-1164-ND - IC CTRLR BRIDGE USB-UART 28QFN |
| 其它名稱： | 336-1163 |
CP2103
16
Rev. 1.0
9. Voltage Regulator
The CP2103 includes an on-chip 5 to 3 V voltage regulator. This allows the CP2103 to be configured as either a
USB bus-powered device or a USB self-powered device. These configurations are shown in Figures 7 and 8.
When enabled, the 3 V voltage regulator output appears on the VDD pin and can be used to power external 3 V
devices. See Table 11 for the voltage regulator electrical characteristics.
Alternatively, if 3 V power is supplied to the VDD pin, the CP2103 can function as a USB self-powered device with
the voltage regulator disabled. For this configuration, it is recommended that the REGIN input be tied to the 3 V net
to disable the voltage regulator. This configuration is shown in Figure 9.
The USB max power and power attributes descriptor must match the device power usage and configuration. See
“AN144: CP21xx Device Customization Guide” for information on how to customize USB descriptors for the
CP2103.
Note: It is recommended that additional decoupling capacitance (e.g., 0.1 F in parallel with 1.0 F) be provided on the REGIN
input.
Figure 7. Configuration 1: USB Bus-Powered
Table 11. Voltage Regulator Electrical Specifications
–40 to +85 °C unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Input Voltage Range
4.0
—
5.25
V
Output Voltage
Output Current = 1 to 100 mA*
3.0
3.3
3.6
V
VBUS Detection Input Threshold
1.0
1.8
4.0
V
Bias Current
—
110
—
A
*Note: The maximum regulator supply current is 100 mA.
Voltage Regulator (REG0)
5 V In
3 V Out
VBUS Sense
REGIN
VBUS
From VBUS
To 3 V
Power Net
Device
Power Net
VDD
CP2103
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CP2103-GM | 功能描述:輸入/輸出控制器接口集成電路 Enhanced USB-to-UART BRIDGE RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| CP2103-GMR | 功能描述:輸入/輸出控制器接口集成電路 USB-TO-UART BRIDGE RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
| CP2104 | 制造商:SILABS 制造商全稱:SILABS 功能描述:USB DRIVER CUSTOMIZATION |
| CP2104EK | 功能描述:界面開發(fā)工具 Evaluation kit RoHS:否 制造商:Bourns 產品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| CP2104-F03-GM | 功能描述:輸入/輸出控制器接口集成電路 USB to UART bridge RoHS:否 制造商:Silicon Labs 產品: 輸入/輸出端數量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray |
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