Feature Article

March 30, 2015

Cypress TrueTouch Used in vivo Y29 Smartphone

Cypress Semiconductor has announced that the Chinese smartphone maker vivo has selected its TrueTouch capacitive screen controller for its new Y29 smartphone.

"The vivo Y29 is another strong example of TrueTouch bringing industry-leading features and reliability to a top-of-the-line smartphone," Joe Montalbo, vice president of the Cypress’s TrueTouch Business Unit. "China's smartphone market is the largest in the world and the vivo brand has earned recognition as a leading innovator there. This design win aligns with our strategy to enable our customers to differentiate their products in this competitive market."

One feature of the Y29 is the ability to unlock the phone using a gesture, such as tracing the letter “C,” which can be easier to remember than locking a phone with a password. Other features of the phone include a 13-megapixel camera and high-quality audio.

The screen can also detect movement using gloved fingers, which is something that has previously been difficult for touchscreens to do. The screen also allows for thinner smartphones that have greater battery life.

The touchscreen also attempts to mitigate problems caused by electronic noise that can wreak havoc with a touchscreen. This noise can be cause by using aftermarket chargers and the phones’ display itself. Cypress ChargerArmor claims a 40 volt peak-to-peak (Vpp) charger noise immunity from 1 to 500 khz using a 0.5-mm cover lens and a finger size of up to 22 millimeters. Cypress said that these standards were the most stringent in the industry.

Mobile devices take a lot of abuse, and Cypress has added greater waterproofing with its DualSense technology. DualSense uses both self-capacitance and multi-capacitance. The technology aims to defend against rain, condensation and sweat.

The company has also recently launched an initiative to allow stylus support for capacitive touchscreens. As these screens get more flexible, they’ll offer greater opportunities for user interactions.

Edited by Dominick Sorrentino

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