Inductive Powering

Inductive powering is used to wirelessly power devices over relatively short distances. This handbook lists all design equations and topology alternatives to successfully build an inductive power and data link for your specific application.

Inductive powering has been a reliable and simple method for many years to wirelessly power devices over relatively short distances, from a few centimetres to a few feet. Examples are found in biomedical applications, such as cochlear implants; in RFID, such as smart cards for building access control; and in consumer devices, such as electrical toothbrushes. Device sizes shrunk considerably the past decades, demanding accurate design tools to obtain reliable link operation in demanding environments. With smaller coil sizes, the link efficiency drops dramatically to a point where the commonly used calculation methods become invalid.

Inductive Powering: Basic Theory and Application to Biomedical Systems lists all design equations and topology alternatives to successfully build an inductive power and data link for your specific application. It also contains practical guidelines to expand the external driver with a servomechanism that automatically tunes itself to varying coupling and load conditions.

Basic handbook on inductive link design, in-depth theoretical analysis Thorough review of formulas for calculation and optimization of inductive fields Understanding the interface between magnetic powering fields and humans

Inhalt
An introduction on telemetry.- The concepts of inductive powering.- Exact link formulaae.- Primary coil drivers.- Optimisation of the driven inductive link.- Automatic link tuning.