Charge Wirelessly with the Freescale MWCT1000CFM and MWCT1101CLH ICs from Mouser
The new MWCT1000CFM and MWCT1101CLH wireless charging ICs available from Mouser Electronics integrate all the necessary functions for a WPC Qi compliant wireless charger design. They work with any low power single-coil transmitter that is used to wirelessly communicate with the mobile device to be charged. Once a mobile device is detected, the wireless charging IC communicates with the device to determine its charging parameters. It then adjusts the wireless charging rate by using the proper operating frequency for that mobile device.
These wireless charging ICs support the latest foreign object detection (FOD) safety feature to ensure that power transfer is not applied to foreign objects. This prevents overheating of misplaced foreign objects placed near the charging coil. Other safety features include over voltage, over current, and temperature protection. Pins are available for an external LED and buzzer for system status indication. These devices boast a low Run current of 30mA and low standby current.
The MWCT1101CLH supports all the features of the MWCT1000CFM, and include 40KBytes of on-chip programmable Flash memory with SPI, I2C, and UART interfaces along with additional I/O pins. This allows customization of the charger for maximum flexibility.
Applications for these wireless charging ICs include 5W single-coil wireless charging applications, mobile phone chargers, point-of-sale terminals, handheld medical devices, mobile phone accessories such as battery banks and active phone sleeves, and rechargeable computer accessories such as keyboards and mice.
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