TSC2004
- 4-Wire Touch Screen Interface
- Ratiometric Conversion
- Single 1.2V to 3.6V Supply
- Preprocessing to Reduce Bus Activity
- High-Speed I2C-Compatible Interface
- Internal Detection of Screen Touch
- Register-Based Programmable:
- 10-Bit or 12-Bit Resolution
- Sampling Rates
- System Timing
- On-Chip Temperature Measurement
- Touch Pressure Measurement
- Auto Power-Down Control
- Low Power:
- 760µW at 1.8V, 50SSPS
- 580µW at 1.6V, 50SSPS
- 285µW at 1.2V, 50SSPS
- 74µW at 1.6V, 8.2kSPS Eq. Rate
- 47µW at 1.2V, 8.2kSPS Eq. Rate
- Enhanced ESD Protection:
- ±8kV HBM
- ±1kV CDM
- ±25kV Air Gap Discharge
- ±12kV Contact Discharge
- 2.5 x 2.5 WCSP-18 and 4 x 4 QFN-20 Package
- APPLICATIONS
- Cellular Phones
- Portable Instruments
- MP3 Players, Pagers
- Multiscreen Touch Control
U.S. Patent No. 6,246,394; other patents pending.
I2C is a trademark of NXP Semiconductors.
All other trademarks are the property of their respective owners
The TSC2004 is a very low-power touch screen controller designed to work with power-sensitive, handheld applications that are based on advanced low-voltage processors. It works with a supply voltage as low as 1.2V, which can be supplied by a single-cell battery. It contains a complete, ultralow-power, 12-bit, analog-to-digital (A/D) resistive touch screen converter, including drivers and the control logic to measure touch pressure.
In addition to these standard features, the TSC2004 offers preprocessing of the touch screen measurements to reduce bus loading, thus reducing the consumption of host processor resources that can then be redirected to more critical functions.
The TSC2004 supports an I2C serial bus and data transmission protocol in all three defined modes: standard, fast, and high-speed. It offers programmable resolution of 10 or 12 bits to accommodate different screen sizes and performance needs.
The TSC2004 is available in a miniature, 18-lead, 5 x 5 array, (2.554 ±0.54)mm x (2.554 ±0.54)mm wafer chip-scale package (WCSP), and a 20-pin, 4 x 4 QFN package. Both packages are characterized for the -40°C to +85°C industrial 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 | 1.2V to 3.6V, 12-Bit, Nanopower, 4-Wire Touch Scrn Cntrlr w/I²C™ Int datasheet (Rev. E) | 2008/3/21 | |||
| 應用說明 | PCB Layout Guideline for TI Resistive TSC Devices | 2012/10/4 | ||||
| 應用說明 | POR and Resets in TSC2004/5/6 | 2011/10/16 | ||||
| 應用說明 | TSC2004 Linux® Driver | 2009/3/29 | ||||
| 應用說明 | TSC2004 WinCE® 6.0 Driver | 2009/3/29 | ||||
| 應用說明 | Important Considerations to Assure a Safe POR | 2009/3/10 | ||||
| 類比設計期刊 | Using a touch-screen controller’s auxiliary inputs | 2007/10/12 | ||||
| 應用說明 | On TSC2004 Power Consumption | 2007/10/8 | ||||
| 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 | Set Up and Use TSC Timings | 2007/6/7 | ||||
| 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 |
設計與開發
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TSC200XSW-LINUX — 適用於 TSC200X 的 Linux 驅動程式
The Linux driver supports the TSC200x family of Nano-Power Touch Screen Controllers. The Linux driver supports communication through the I2C and SPI buses and interfaces with the Input sub-system.
Linux Mainline Status
Available in Linux Main line: Yes
Available through git.ti.com: N/A
Supported (...)
SBAC080 — TSC2004 WinCE6 Example Driver
SBAC081 — TSC2004 WinCE5 Example Driver
SBAC082 — TSC2004 Linux Example Driver
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| WQFN (RTJ) | 20 | Ultra Librarian |
| DSBGA (YZK) | 24 | 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。