BIDIRECTIONAL DC/DC CONVERTERIn an embodiment, a phase circuit includes: a bidirectional output stage configured to be coupled between a first battery and a second battery; a memory configured to store a number of active phases, …DRIVE·Jan 4·1 min readFollowH02M3/1586STMicroelectronics (Rousset) SAS
NFC ANTENNAAn antenna configured for near field communication includes a first coil for transmitting and receiving signals having a first frequency and a second coil for transmitting and receiving signals having…DRIVE·Dec 29·1 min readFollowH04B5/0081STMicroelectronics (Rousset) SAS
MANAGING CONTACTLESS COMMUNICATION AND CONTACTLESS CHARGING FROM A CONTACTLESS DEVICE, AND CORRESPONDING CONTACTLESS DEVICEA contactless device includes an impedance matching and filter circuit connected to an antenna and being on the one hand operable for contactlessly communicating with a second device via the antenna, …DRIVE·Jul 21·1 min readFollowH02J50/80STMicroelectronics (Rousset) SAS
ADJUSTMENT OF AN ACTIVATION TIME OF A CIRCUITAn embodiment of the present description concerns a method wherein a time of beginning of a periodic step of activation of a near-field communication circuit of a first device, charged in near field b…DRIVE·May 12·1 min readFollowH04B5/0037STMicroelectronics (Rousset) SAS
NEAR-FIELD COMMUNICATION DEVICE AND METHODA method includes detecting, by a first near-field communication device, the presence of a second near-field communication device. In a case where the second device is intended to be charged in near-f…DRIVE·Mar 31·1 min readFollowH04W4/80STMicroelectronics (Rousset) SAS
METHOD FOR PRECHARGING AN INTEGRATED-CIRCUIT SUPPLY, AND CORRESPONDING INTEGRATED CIRCUITAn integrated circuit includes: a primary supply stage including a primary supply node, the primary supply stage being configured to deliver a primary supply voltage to the primary supply node; a seco…DRIVE·Dec 16·1 min readFollowH02J9/005STMicroelectronics (Rousset) SAS
METHOD OF MONITORING AND CONTROLLING A LEVEL OF POWER TRANSMITTED BY AN ANTENNA OF A CONTACTLESS COMMUNICATION DEVICEIn an embodiment a method for dynamic power control of a power level transmitted by an antenna of a contactless reader is disclosed. The method may include supplying a power to the antenna and perform…DRIVE·May 27·1 min readFollowG06K19/0701STMicroelectronics (Rousset) SAS
