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maXTouch® Knob-on-Display™ (KoD™) Touch Controller Family
Knob-on-Display™ (KoD™) Technology for Modern Touch Displays
Get the best of both worlds for your next Human-Machine Interface (HMI)—the elegance and flexibility of a touch display and the comfort and safety of a control knob.
KoD™ touch controllers give you greater freedom in interface placement, scalability and functionality to help accelerate development cycles and deliver differentiated user experiences across automotive, industrial and appliance applications.
Featured Products
KoD™ Technology - Designed with BNL Bearings
Microchip-Panasonic Magic Knob™ (MPMK) Technology
Our MPMK solutions have been designed by Panasonic Industry Ltd (PID), and the reference knobs are available from PID. These solutions require a three-way NDA to be signed.
maXTouch KoD Controller Operation
KoD technology enables you to mount capacitive rotary encoders, also called rotary knobs, over a touch panel. The knob is a passive mechanical element, specifically designed to include at least one conductive pad. The maXTouch KoD touchscreen controller senses the pad capacitively through the touch sensor. Its patented algorithms ensure the correct sensing and calibration of the knob’s location while maintaining multi-touch operation for the rest of the touchscreen.
Advantages of the maXTouch Knob Solution
Cost-Effective HMI System Solution
- Reduces the number of active components needed to create sleek and modern HMI designs
- Eliminates the need for an opening in the front panel or display, which reduces costs and extends product lifetime by preventing moisture and dust from entering the system
Design Freedom
- Does not require a specific touch sensor pattern under the knobs, so you can reuse a standard touch display
Flexibility
Find the best trade-off between knob size, number of detents and sensor pitch using our KoD Knob Designer software. Create up to four knobs on your touch panel with different properties.
Faster Time to Market and Lower Design Risk
Turnkey Solution With Ready-to-Use Firmware
Our engineers have developed and fully tested firmware that has been embedded in these devices. Simply use the configuration file that makes it easy to configure the shape of a rotary knob. You can also customize the knob’s position, size and number of detents.
Comprehensive Tool Suite
- KoD Knob Designer: Analyzes the feasibility of a mechanical capacitive knob’s design
- KoD Position Wizard: Generates the position information for a knob and defines the dimensions of its shape
- KoD Widget Configurator: Provides a graphical interface to visualize and edit the maXTouch technology configuration of the knob
Knob Reference Designs
- Microchip and BNL Bearings Ltd.
- Microchip and ddm hopt+schuler
- Microchip-Panasonic Magic Knob™ (MPMK) Technology
This reference design is for a capacitive rotary encoder with a push-button function. You can select a knob from your preferred manufacturer, and then use this reference design to evaluate KoD technology and prototype your design. It features:
- 46.50 mm outer diameter
- 22.05 mm inner diameter
- 24 detents (clicks)
- Push-button function
This reference design of capacitive rotary knobs, developed in collaboration with ddm hopt+schuler, enables precise rotational input and integrated push-button functionality on a touch panel. It is designed to help evaluate KoD performance and accelerate prototyping for next-generation HMIs. It features:
- 50 mm outer diameter
- 24 detents (clicks)
- Push-button function
- Customizable top cap material/finish
Please contact ddm hopt+schuler for alternate knob designs.
This reference design, developed in collaboration with Panasonic Industry Ltd., delivers the excellent rotation and push haptic feedback of Panasonic’s Magic Knob technology in a thin and low-profile solution that can be freely positioned over a touch panel. It features:
- 54 mm outer diameter
- 31 mm inner diameter
- 32 detents (clicks)
- Push-button function
- Customizable capacitive material
- Supported by the maXTouch MK touchscreen controller variants
Tools and Software
This kit (ATMXT3072M1 EVK) is for the evaluation and development of applications using our Automotive qualified ATMXT3072M1 family of maXTouch® touchscreen controllers.
This kit (ATEVK-MXT2952TD-A) is for the evaluation and development of Microchip maXTouch applications using the ATMXT2952TD Touchscreen Sensor IC.
Design Help
- Client Support Team
- Design Partners
Contact Us
We are here to support you. Contact our Client Success Team to get assistance with the touch requirements of your design.
Touch Design Partners
We have identified a set of design consultants to assist with your touch designs. Learn more about how our Design Partners can accelerate your time to market while reducing risk to achieve your target user interface features and performance needs.
