TSC2046
- SAME PINOUT AS ADS7846
- 2.2V TO 5.25V OPERATION
- 1.5V TO 5.25V DIGITAL I/O
- INTERNAL 2.5V REFERENCE
- DIRECT BATTERY MEASUREMENT (0V TO 6V)
- ON-CHIP TEMPERATURE MEASUREMENT
- TOUCH-PRESSURE MEASUREMENT
- QSPI™ AND SPI™ 3-WIRE INTERFACE
- AUTO POWER-DOWN
- AVAILABLE IN TSSOP-16, QFN-16, AND VFBGA-48 PACKAGES
- APPLICATIONS
- PERSONAL DIGITAL ASSISTANTS
- PORTABLE INSTRUMENTS
- POINT-OF-SALE TERMINALS
- PAGERS
- TOUCH SCREEN MONITORS
- CELLULAR PHONES
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The TSC2046 is a next-generation version to the ADS7846 4-wire touch screen controller which supports a low-voltage I/O interface from 1.5V to 5.25V. The TSC2046 is 100% pin-compatible with the existing ADS7846, and will drop into the same socket. This allows for easy upgrade of current applications to the new version. The TSC2046 also has an on-chip 2.5V reference that can be used for the auxiliary input, battery monitor, and temperature measurement modes. The reference can also be powered down when not used to conserve power. The internal reference operates down to 2.7V supply voltage, while monitoring the battery voltage from 0V to 6V.
The low power consumption of < 0.75mW typ at 2.7V (reference off), high-speed (up to 125kHz sample rate), and on-chip drivers make the TSC2046 an ideal choice for battery-operated systems such as personal digital assistants (PDAs) with resistive touch screens, pagers, cellular phones, and other portable equipment. The TSC2046 is available in TSSOP-16, QFN-16, and VFBGA-48 packages and is specified over the -40°C to +85°C temperature range.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | Low Voltage I/O Touch Screen Controller datasheet (Rev. G) | 2008/1/17 | |||
| 應用說明 | PCB Layout Guideline for TI Resistive TSC Devices | 2012/10/4 | ||||
| 類比設計期刊 | Using a touch-screen controller’s auxiliary inputs | 2007/10/12 | ||||
| 應用說明 | Reducing Analog Input Noise in Touch Screen Systems (Rev. A) | 2007/9/15 | ||||
| 類比設計期刊 | Calibration in touch-screen systems | 2007/8/10 | ||||
| 應用說明 | Operation Schemes of Touch Screen Controllers | 2007/5/21 | ||||
| 應用說明 | Apply TI TSC for Various and Multiple Functions | 2006/12/11 | ||||
| 應用說明 | How to Use TI's 4-Wire TSC to Control an 8-Wire Resistive Touch Screen | 2006/3/27 | ||||
| 應用說明 | TSC2046 WinCE 5.0 Driver | 2005/11/10 |
設計與開發
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SBAC071 — TSC2046 WinCE5 Example Driver
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| TSSOP (PW) | 16 | Ultra Librarian |
| VQFN (RGV) | 16 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。