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TSC2007-Q1 Datasheet Preview

TSC2007-Q1 Datasheet

Micro Touch-Screen Controller

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TSC2007-Q1
SBAS545A – SEPTEMBER 2011 – REVISED DECEMBER 2016
TSC2007-Q1 1.2-V to 3.6-V, 12-Bit, Nanopower, 4-Wire
Micro Touch-Screen Controller With I2C Interface
1 Features
1 Qualified for Automotive Applications
• AEC-Q100 Test Guidance With the Following:
– Device Temperature Grade 3: –40°C to 85°C
Ambient Operating Temperature Range
– Device HBM ESD Classification Level 3B
– Device CDM ESD Classification Level C6
• 4-Wire Touch-Screen Interface
• Single 1.2-V to 3.6-V Supply or Reference
• Ratiometric Conversion
• Effective Throughput Rate:
– Up to 20 kHz (8-Bit) or 10 kHz (12-Bit)
• Preprocessing to Reduce Bus Activity
• I2C Interface Supports:
– Standard, Fast, and High-Speed Modes
• Simple, Command-Based User Interface:
TSC2003-Q1 Compatible
– 8-Bit or 12-Bit Resolution
• On-Chip Temperature Measurement
• Touch Pressure Measurement
• Internal Detection of Screen Touch
• For Pen Touch Detect or Data Available Interrupt
• Auto Power-Down Control
• Low Power:
– 32.24 μA at 1.2 V, Fast Mode, 8.2 kHz-
Equalization Rate
– 39.31 μA at 1.8 V, Fast Mode, 8.2 kHz-
Equalization Rate
– 53.32 μA at 2.7 V, Fast Mode, 8.2 kHz-
Equalization Rate
• Enhanced ESD Protection:
– ±25-kV Air-Gap Discharge
– ±15-kV Contact Discharge
– 5-mm × 4.4-mm 16-Pin TSSOP Package
NOTE: U.S. Patent NO. 6246394; other patents pending.
2 Applications
• Automotive Infotainment Displays
• Automotive Navigation Systems
• Industrial User Interfaces
• Multiscreen Touch Control Systems
3 Description
The TSC2007-Q1 device is a very low-power touch
screen controller designed to work with power-
sensitive, automotive touch-screen displays. It
contains a complete, ultra-low 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
TSC2007Q1 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 TSC2007-Q1 supports an I2C serial bus and data
transmission protocol in all three defined modes:
standard, fast, and high-speed. It offers
programmable resolution of 8 bits or 12 bits to
accommodate different screen sizes and performance
needs.
The TSC2007-Q1 is available in a 16-pin TSSOP
package. The TSC2007-Q1 is characterized for the
–40°C to 85°C industrial temperature range.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
TSC2007-Q1
TSSOP (16)
5.00 mm × 4.40 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Functional Block Diagram
VDD/REF
X+
X-
Y+
Y-
AUX
Touch
Screen
Drivers
Interface
TEMP
Mux
SAR
ADC
Internal
Clock
I2C
Serial
Interface
and
Control
PENIRQ
SCL
SDA
A[0:1]
GND
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




etcTI

TSC2007-Q1 Datasheet Preview

TSC2007-Q1 Datasheet

Micro Touch-Screen Controller

No Preview Available !

TSC2007-Q1
SBAS545A – SEPTEMBER 2011 – REVISED DECEMBER 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 4
6.5 Electrical Characteristics........................................... 5
6.6 Timing Requirements: Standard Mode
(SCL = 100 kHz) ........................................................ 6
6.7 Timing Requirements: Fast Mode (SCL = 400 kHz). 7
6.8 Timing Requirements: High-Speed Mode
(SCL = 1.7 MHz) ........................................................ 7
6.9 Timing Requirements: High-Speed Mode
(SCL = 3.4 MHz) ........................................................ 8
6.10 Typical Characteristics ............................................ 9
7 Detailed Description ............................................ 12
7.1 Overview ................................................................. 12
7.2 Functional Block Diagram ....................................... 12
7.3 Feature Description................................................. 12
7.4 Device Functional Modes........................................ 19
7.5 Programming........................................................... 19
8 Application and Implementation ........................ 29
8.1 Application Information............................................ 29
8.2 Typical Application .................................................. 29
9 Power Supply Recommendations...................... 33
10 Layout................................................................... 33
10.1 Layout Guidelines ................................................. 33
10.2 Layout Example .................................................... 34
11 Device and Documentation Support ................. 35
11.1 Device Support...................................................... 35
11.2 Documentation Support ........................................ 35
11.3 Receiving Notification of Documentation Updates 35
11.4 Community Resources.......................................... 35
11.5 Trademarks ........................................................... 35
11.6 Electrostatic Discharge Caution ............................ 35
11.7 Glossary ................................................................ 35
12 Mechanical, Packaging, and Orderable
Information ........................................................... 35
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Original (September 2011) to Revision A
Page
• Added Device Information table, Specifications section, ESD Ratings table, Recommended Operating Conditions
table, Detailed Description section, Application and Implementation section, Power Supply Recommendations
section, Layout Guidelines section, Layout Example section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section .................................................................................................. 1
• Deleted Ordering Information table; see Package Option Addendum at the end of the data sheet ...................................... 1
• Changed ESD Ratings information and added the AEC-Q100 Automotive bullets to Features ............................................ 1
• Added Automotive Infotainment Displays and Automotive Navigation Systems bullets to Applications................................ 1
• Deleted Digital Buffered PENIRQ bullet from Features.......................................................................................................... 1
• Deleted On-Chip, Programmable PENIRQ Pull-Up bullet from Features ............................................................................. 1
• Deleted Lead temperature parameters from Absolute Maximum Ratings table .................................................................... 1
• Moved Power-supply voltage parameters from Electrical Characteristics table to the Recommended Operating
Conditions table ..................................................................................................................................................................... 1
• Added IEC discharge information........................................................................................................................................... 4
• Added Thermal Information table ........................................................................................................................................... 4
• Changed RθJA values for PW (TSSOP) From: 86 To: 101.7 .................................................................................................. 4
• Changed tOF to tF in Timing Requirements tables .................................................................................................................. 6
• Changed text in Reference mode to clarify singled-ended operation .................................................................................. 15
• Changed Figure 24 caption text from PINTDAV to PENIRQ ............................................................................................... 18
• Added subsections to Throughput Rate and I2C Bus Traffic section to clarify 8-bit and 12-bit operation........................... 26
2 Submit Documentation Feedback
Copyright © 2011–2016, Texas Instruments Incorporated
Product Folder Links: TSC2007-Q1


Part Number TSC2007-Q1
Description Micro Touch-Screen Controller
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