DSP, Micros & Memory


Smallest automotive maXTouch controllers

29 July 2020 DSP, Micros & Memory

To help enhance and ease today’s driving experience, automotive manufacturers are implementing additional touch displays beyond the centre infotainment display (CID). Supporting the application of these secondary displays with advanced features, Microchip Technology announced the extension of its maXTouch portfolio with the new MXT288UD touch controller family, with the industry’s smallest automotive grade packaged touchscreen controllers.

The MXT288UD-AM and the MXT144UD-AM devices offer low power mode, weatherproof operation and glove touch detection in multi-function displays, and touch pad and smart surfaces for vehicles, motorcycles, e-bikes and car-sharing services.

Secondary touch surfaces can be placed in both the interior of a car and exterior of a motor vehicle, for example on handlebars, doors, electronic mirrors, control knobs and the steering wheel, or between seats or in an armrest. With the MXT288UD family’s small

7 x 7 mm automotive grade VQFN56 package, tier one suppliers can now reduce board space by 75 percent and greatly minimise the overall bill of materials (BoM) for these compact applications.

The family’s low power wait-for-touch mode consumes less than 50 µA, remaining responsive for the user even if the display switches off to save power or to avoid disturbing the driver at night. The system will wake with a touch event anywhere on the touch surface.

In addition, the MXT288UD-AM and the MXT144UD-AM devices enable detection and tracking of multi-finger thick gloves through a wide variety of overlay materials and thicknesses like leather or wood, or across uneven surfaces – even in the presence of moisture. Normally the dielectric constant of these overlay materials would limit the detection of the touch, however these devices provide a unique solution to reliably detect and track multi-fingers with a high signal-to-noise ratio (SNR) and through a proprietary differential mutual acquisition scheme.

For example, in car sharing applications, this reliable touch functionality helps users access a car from the outside by tracking touch coordinates on an exterior display in any environment, for example rain, snow or extreme heat. Motorcycles and other motorbike vehicles also benefit from such weatherproof designs.

As a turnkey solution, the MXT288UD family provides proven firmware developed according to automotive SPICE processes, and is AEC-Q100 qualified – making it easy for today’s automotive manufacturers to integrate into existing systems at a lower risk with faster time to market.

Development tools and design services

Both software and hardware support are available. Software tools include maXTouch Studio and a maXTouch analyser. For the MXT288UD, the hardware offered includes an evaluation kit with a printed circuit board (PCB) and a 5-inch capacitive touch panel, while the MXT144UD’s evaluation kit includes a PCB and a 2,9-inch capacitive touch pad. For both devices, a bridge PCB is included with a USB connection for interfacing to a computer when running maXTouch Studio.

For more information contact Dirk Venter, Altron Arrow, +27 11 923 9600, dventer@arrow.altech.co.za, www.altronarrow.com; Avnet Silica, avnet-silica-sales-southafrica@avnet.eu, www.avnet-silica.com


Credit(s)



Share this article:
Share via emailShare via LinkedInPrint this page

Further reading:

New low-power MCU from Renesas
29 July 2020, Hi-Q Electronics , DSP, Micros & Memory
The RE01-256k is the newest member of Renesas Electronics’ RE microcontroller (MCU) family, implemented on the unique silicon on thin buried oxide (SOTB) ultra-low power process from Renesas. It offers ...

Read more...
MOSFET half-bridge power stage
30 June 2020, Altron Arrow , Power Electronics / Power Management
Vishay Intertechnology introduced a new 30 V n-channel MOSFET half-bridge power stage that combines a high-side TrenchFET MOSFET and low-side SkyFET MOSFET with integrated Schottky diode in one compact ...

Read more...
Cypress ships one billionth USB-C device
30 June 2020, Altron Arrow , News
Cypress, an Infineon Technologies company, announced that in less than five years, the company has achieved a landmark milestone by shipping its one billionth USB-C device. As the leading provider of ...

Read more...
18 V synchronous buck converters
30 June 2020, Altron Arrow , Power Electronics / Power Management
Suitable for consumer and industrial applications, Diodes Incorporated announced the AP62xxx family of high-efficiency synchronous step-down DC-DC converters including the AP62250 (2,5 A), AP62300 (3 A), ...

Read more...
MOSFET half-bridge power stage
30 June 2020, Altron Arrow , Power Electronics / Power Management
Vishay Intertechnology introduced a new 30 V n-channel MOSFET half-bridge power stage that combines a high-side TrenchFET MOSFET and low-side SkyFET MOSFET with integrated Schottky diode in one compact ...

Read more...
New low-power MCU from Renesas
30 June 2020, Hi-Q Electronics , DSP, Micros & Memory
The RE01-256k is the newest member of Renesas Electronics’ RE microcontroller (MCU) family, implemented on the unique silicon on thin buried oxide (SOTB) ultra-low power process from Renesas. It offers ...

Read more...
Video Reel: Microchip’s SAM L11
30 June 2020, Altron Arrow , Multimedia, Videos
This video (www.dataweek.co.za/*jun20-sam) provides a brief overview of Microchip Technology’s SAM L11 comprehensive security solution framework and demos to make implementation of security simple. Microchip’s ...

Read more...
Dual-core wireless MCU
30 June 2020, Altron Arrow , Telecoms, Datacoms, Wireless, IoT
The STM32WBx0 is a dual-core wireless MCU based on an Arm Cortex-M4 core running at 64 MHz (application processor) and an Arm Cortex-M0+ core at 32 MHz (network processor). The STM32WBx0 Value Line ...

Read more...
3 kW TVS diode arrays
30 June 2020, Avnet South Africa , Circuit & System Protection
To ensure critical operations, aviation and space systems rely on digital and logic functionality and circuitry in engine control units, environmental controls, instruments and actuators. Data centres, ...

Read more...
What’s in your healthcare monitor?
29 July 2020, Altron Arrow , Power Electronics / Power Management
System designers of portable and wireless medical monitoring devices used for in-home patient health monitoring purposes face daunting design challenges such as thermally- and space-constrained enclosures, as well as being able to transmit data without interference or interruption.

Read more...