Compact wireless charger modules with an integrated antenna board allow developers to add wireless power supply functionality to smaller devices such as smart tags/cards or PC peripherals. The BP3621 (transmitter) and the BP3622 (receiver) are available from Rohm Semiconductor.
ICs & Semiconductors
Torex expands its low quiescent current inductor range
Inductors with a built-in, step-down DC/DC converter make up the XCL232 series from Torex Semiconductor.
Wireless power supply chipset needs no external MCU
Capable of providing up to 1W of wireless power for compact and streamlined wearable devices or for industrial smart, miniaturised and sealed end products, the Rohm Semiconductor’s ML7661 (transmitter) and ML7660 (receiver) incorporate a control circuit for transmission/reception.
NanoPower modules extend battery life in space-constrained applications
Designers can extend battery life and reduce size in space-constrained Internet of Things (IoT) devices with two nanoPower modules with built-in inductors from Analog Devices. Both products are part of Analog Devices’ Essential Analog family of efficient power ICs. The MAXM38643 1.8V to 5.5V input, 330nA quiescent current (IQ), 600mA buck module and the MAXM17225 0.4V to 5.5V input, 300nA IQ, 1A boost module with True Shutdown feature the lowest IQ compared to competitive solutions and deliver more battery life.
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