Preface
1 LED and PWM
2 Schematic checklist:
This section provides a general checklist for touch applications. For application-specific information, please refer to the relevant topics or contact the Microchip Technical Support team.
3 Layout Guidelines
This section provides a general layout guidelines for touch applications. For application-specific information, please refer to the relevant topics or contact the Microchip Technical Support team.
4 Proximity Design Guide
5 Spring Sensor Guide
6 CAP Device
7 Metal Over Cap Guide
8 ITS
9 HOD
10 ESD Protection
Refer to the information below for general ESD protection guidelines related to touch applications.
11 EFT
Microchip Information

1.2 VDD Implications

WM can cause noise in the Vdd pin. Adding a decoupling capacitor (typically 100 nF) on the power line can help to reduce the noise level. Multiple decoupling capacitors can also be used to remove various frequency noise.

Rev: A