ROHM Semiconductor ML7631
The ML7631 is a wireless charging Tx LSI using 13.56MHz carrier frequency, which enables to feed 200mW wirelessly to an Rx device using the ML7630. The ML7631 controls wireless charging and data communication with the ML7630. ML7631 is equipped with function to detect the illegal situation such as disappearance of the Rx device.| Part No. | ML7631 |
|---|---|
| Datasheet | ML7631 Download |
| Manufacturer |  ROHM Semiconductor |
| Description | Wireless charging transmitter LSI |
| Buy | Stock & Price |
FEATURES
● Power transmission control − Power transmission circuit embedded − Abnormaly detection by software control and hardware control(voltage and current monitoring)● Communication control − Command generation function for ML7630 included − Communication speed: 212kbps (13.56MHz/64) − 1kbyte data flash for storing some data contents
● Host interface(I2C slave) − Normal mode(100kbit/s), Fast mode(400kbit/s) available − Each internal controller and external HOST microcontroller can access register function
● General Port(PORT) − Input/Output port×11ch
● Reset − Reset by RESET_N port − Power on reset by magnetic field detection − Reset by WDT overflow
● Clock − Low speed clock : Built-in RC oscillation (32.768kHz) for internal timer − High speed clock : Crystal osillation(27.12MHz) 6.78MHz is used inside
● Package − WQFN 32 pin (P-WQFN32-0505-0.50) 1
● Product name ML7631-103GD ML7631-106GD
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APPLICATIONS
NFC charging devices, e.g.●smart wathes, fitness trackers and smart wristband...
