| Integrated Circuits (ICs) | 1 | Obsolete | The recommended
alternative touch controller is [ATMXT225TD](https://www.microchip.com/wwwproducts/en/atmxt225TD-A).
The Microchip maXTouch mXT224E mutual capacitance touchscreen controller is suitable for screens up to 5". The highly responsive IC can interpret up to ten touches on the touchscreen, with advanced touch processing, the device can ignore unintentional touches caused by a gripping hand or resting palm, while correctly interpreting light touches. |
| Unclassified | 1 | Active | The recommended alternative touch controller is [ATMXT336U](https://www.microchip.com/en-us/product/atmxt336u).
The mXT224T uses the latest capacitive touch technologies that Microchip has designed for the highest-performance smart phones. With a revolutionary adaptive-sensing architecture that features both mutual- and self-capacitance, it enables the highest performance with the industry's lowest power consumption.
With 224 nodes, the mXT224T touchscreen controller supports 1.0mm passive stylus, thick glove touch, moisture robustness, and superior noise immunity.
**Support**: off the shelf maXTouch [standard modules](https://www.microchip.com/en-us/products/touch-and-gesture/design-partners) are available to help shorten development time and reduce risk. Microchip also has a strong selection of factory trained global [touch sensor module partners](https://www.microchip.com/en-us/products/touch-and-gesture/design-partners) to help support custom touch sensor and/or touchscreen display designs. |
| Development Boards, Kits, Programmers | 1 | Active | |
| Data Acquisition | 2 | Active | The ATMXT228UD touchscreen controller is a member of two families aimed at display sizes up to 5.8-inch:
* General industrial applications (with device encryption): [mXT336UD 2.0](https://www.microchip.com/en-us/product/ATMXT336UD) and mXT228UD
* Home Appliances (with IEC/UL 60730 Class B functional safety certification): [mXT336UD-HA](https://www.microchip.com/en-us/product/ATMXT336UD), mXT228UD-HA, and [mXT112UD-HA](https://www.microchip.com/en-us/product/atmxt112ud)
Proprietary differential touch sensing delivers unparalleled noise immunity ensuring superior touch performance even in harsh environments. It enables detection and tracking of multi-finger thick gloved touch through a wide variety of overlay materials and thicknesses, even in the presence of moisture, water and even salt water. This SNR combined with a high acquisition speed provides a fast, accurate and reliable a touch position. The controller also incorporates a new self and sensor diagnostic function, which constantly monitors the integrity of the touch system.
The general industrial mXT288UD family includes device encryption. This feature set supports encrypted messaging of the touch coordinates to the host CPU over I2C to help protect confidential credit card payment pin code, alarm/door entry codes, or medical/gaming device admin codes. Encrypted configuration locks the touch controller tuning parameters enabling OEMs to protect device certifications with a unique project-based customer password. Finally, the encrypted configuration feature also allows maXTouch touch sensor module partners to protect their proprietary tuning methods and prevent touch setting cloning.
The mXT288UD HA family is aimed at the home appliance market where Functional Safety is required. This device is IEC/UL 60730 Class B certified and offers unique safety-related features that enable system shut off through an intuitive soft button on a touchscreen, removing the requirement for an external safety certified stop or cancel button and associated microcontroller (MCU). They also allow an appliance to detect a touchscreen or appliance failure and shut down automatically through a variety of self-test capabilities.
Support: off the shelf maXTouch standard modules are available to help shorten development time and reduce risk. Microchip also has a strong selection of factory trained global touch sensor module partners to help support custom touch sensor and/or touchscreen display designs. |
| Touch Screen Controllers | 6 | Active | The ATMXT288UD-A is the smallest Automotive qualified
touchscreen controller in a VQFN-56 package with wettable flanks, aimed at
smart surfaces and multi-function displays up to 6.5".
Excellent intrinsic SNR of this latest maXTouch family
enables detection and tracking of multi-finger thick gloves through a wide
variety of overlay materials and thicknesses, even in the presence of moisture.
This SNR combined with a high acquisition speed provides a fast, accurate and
reliable a touch position.
The ATMXT288UD-A incorporates a new low power mode for
wake-up on touch, this enable the system to go into a wait-for-touch mode
while consuming less than 50uA and to wake-up by a touch event anywhere on
the touch surface.
This technology also enables adaptive touch utilizing
self-capacitance and mutual-capacitance measurements so all touches are
recognized and false touch detections are avoided.
The controllers also incorporate a new self and sensor
diagnostic function, which constantly monitors the integrity of the touch
system. The new ATMXT288UD-A device brings these smart diagnostic features in
support of the Automotive Safety Integrity Level as specified in ISO26262.
Please contact your local Microchip sales office for
pricing information and to place an order. |
| Touch Screen Controllers | 4 | Active | The ATMXT2912TD-A Automotive touchscreen controller is aimed at display sizes up to 20" and larger; used in center stacks, navigation systems or rear seat entertainment systems. This brand new family of automotive touchscreen controller brings Microchip’s unmatched Adaptive Sensing technology to the Automotive market. Microchip’s latest solution offers superior signal-to-noise capability to address the requirements of thick lens and thick glove support; supporting multiple thick gloved touches and operation when fingers or surfaces are wet or moist, whilst preventing the water from being detected as a false touch event. This technology also enables adaptive touch utilizing self-capacitance and mutual-capacitance measurements so all touches are recognized and false touch detections are avoided.
Microchip’s new signal shaping technology is lowering emissions significantly and ensures that large touchscreen solutions based on the ATMXT2912TD-A meet the CISPR-25 Level 5 requirements for electromagnetic interference in Automobiles.
The controllers also incorporate a new self and sensor diagnostic function, which constantly monitors the integrity of the touch system. The new ATMXT2912TD-A device brings these smart diagnostic features in support of the Automotive Safety Integrity Level as specified in ISO26262.
Please contact your local Microchip sales office for pricing information and to place an order. |
| Touch Screen Controllers | 3 | Active | The new MXT2912TD-UW
Automotive touchscreen controller is aimed at large very wide aspect ratio
displays up to 40", used in modern car HMI systems. The trend for multiple
touchscreens as well as the combination of the Central Information Display with
either the cluster or the co-drive display continues. Displays and touchscreens
are getting larger and significantly wider.
The MXT2912TD-UW reduces the
need for multiple touch controllers within a vehicle’s human machine interface
(HMI) display. This single chip touch controller provides the highest report
rate for wide displays and is independent of the display resolution, helping achieve
the same user experience that has become accustomed with the smart phone. Also
supported by the exceptional maXTouch family’s intrinsic signal-to-noise ratio
(SNR), the MXT2912TD-UW enables detection and tracking of multi-finger thick
gloves through a wide variety of overlays.
It also supports the operation
when fingers or surfaces are wet or moist, whilst preventing the water from
being detected as a false touch event. This technology also enables adaptive
touch utilizing self-capacitance and mutual-capacitance measurements so all
touches are recognized and false touch detections are avoided.
Microchip’s new signal shaping technology lowers
emissions significantly and ensures that large touchscreen solutions based on
the MXT2912TD-UW meet the CISPR-25 Level 5 requirements for electromagnetic
interference in Automobiles.
The controller also incorporates enhanced self and
sensor diagnostic functions, which constantly monitor the integrity of the
touch system. The MXT2912TD-UW device brings these smart diagnostic features
in support of the Automotive Safety Integrity Level as specified in ISO26262.
Please contact your local Microchip sales office
for pricing information and to place an order. |
| Evaluation Boards | 8 | Active | The ATMXT2952TD touchscreen controller family brings Microchip’s unmatched Adaptive Sensing technology to display sizes up to 21" used in Industrial designs. The family comprises of the following members:
1. ATMXT2952TD-C2U001/ C2UR001: First member in TD generation of 2952TD family
2. ATMXT2952TD-C2U002/ C2UR002: Compatible latest successor of the above
3. ATMXT2952TD-C2UEN1/ C2UREN1: Security Support
4. ATMXT2952TD-C2UKD1/ C2URKD1: Knob on Display Technology support with BNL Knob
5. ATMXT2952TD-C2UMK1/ C2URMK1: Knob on Display Technology support with Panasonic Knob
The TD generation enables intelligent switching between mutual capacitance and self-capacitance sensing to provide users a seamless transition between a finger touch and thick glove touch in the presence of moisture. Communication and configuration encryption as well authenticated firmware update enables users to protect confidential data such as PIN in payment systems. Proprietary differential touch sensing delivers unparalleled noise immunity ensuring superior touch performance even in harsh environments, and with a thick cover lens. Microchip’s new signal shaping technology is lowering emissions significantly and ensures that large touchscreen solutions based on the ATMXT2952TD meet customer requirements for electromagnetic interference. The controller also incorporates a comprehensive suite of self and sensor diagnostic functions, which constantly monitor the integrity of the touch sub-system.
**Support**: off the shelf maXTouch [standard modules](https://www.microchip.com/en-us/products/touch-and-gesture/design-partners) are available to help shorten development time and reduce risk. Microchip also has a strong selection of factory trained global [touch sensor module partners](https://www.microchip.com/en-us/products/touch-and-gesture/design-partners) to help support custom touch sensor and/or touchscreen display designs. |
| Evaluation Boards | 6 | Active | The ATMXT336UD touchscreen controller includes two families aimed at display sizes up to 7-inch:
* General industrial applications (with device encryption): mXT336UD 2.0 and [mXT228UD](https://www.microchip.com/en-us/product/atmxt228ud)
* Home Appliances (with IEC/UL 60730 Class B functional safety certification): mXT336UD-HA, [mXT228UD-HA](https://www.microchip.com/en-us/product/atmxt228ud), and [mXT112UD-HA](https://www.microchip.com/en-us/product/atmxt112ud)
Proprietary differential touch sensing delivers unparalleled noise immunity ensuring superior touch performance even in harsh environments. It enables detection and tracking of multi-finger thick gloved touch through a wide variety of overlay materials and thicknesses, even in the presence of moisture, water and even salt water. This SNR combined with a high acquisition speed provides a fast, accurate and reliable a touch position. The controller also incorporates a new self and sensor diagnostic function, which constantly monitors the integrity of the touch system.
The general industrial mXT336UD family includes device encryption. This feature set supports encrypted messaging of the touch coordinates to the host CPU over I2C to help protect confidential credit card payment pin code, alarm/door entry codes, or medical/gaming device admin codes. Encrypted configuration locks the touch controller tuning parameters enabling OEMs to protect device certifications with a unique project-based customer password. Finally, the encrypted configuration feature also allows maXTouch touch sensor module partners to protect their proprietary tuning methods and prevent touch setting cloning.
The mXT336UD HA family is aimed at the home appliance market where Functional Safety is required. This device is IEC/UL 60730 Class B certified and offers unique safety-related features that enable system shut off through an intuitive soft button on a touchscreen, removing the requirement for an external safety certified stop or cancel button and associated microcontroller (MCU). They also allow an appliance to detect a touchscreen or appliance failure and shut down automatically through a variety of self-test capabilities.
Support: off the shelf maXTouch standard modules are available to help shorten development time and reduce risk. Microchip also has a strong selection of factory trained global touch sensor module partners to help support custom touch sensor and/or touchscreen display designs. |
| Data Acquisition | 2 | Active | The ATMXT448UD-HA1 touchscreen controller is aimed at display sizes up to 8.3-inches used in the home appliance market where Functional Safety is required. This device is IEC/UL 60730 Class B certified and offers unique safety-related features that enable system shut off through an intuitive soft button on a touchscreen, removing the requirement for an external safety certified stop or cancel button and associated microcontroller (MCU). This IC allows an appliance to detect touchscreen related failures and shut down the appliance automatically through a variety of self-test capabilities.
Proprietary differential touch sensing delivers unparalleled noise immunity ensuring superior touch performance even in harsh environments. It enables detection and tracking of multi-finger thick gloved touch through a wide variety of overlay materials and thicknesses, even in the presence of moisture, water and even salt water. This SNR combined with a high acquisition speed provides a fast, accurate and reliable a touch position. The controller also incorporates a new self and sensor diagnostic function, which constantly monitors the integrity of the touch system. |
