Rechargeable solid-state battery suits IoT devices

27th October 2020
Mick Elliott

CeraCharge, said to be the industry’s first rechargeable solid-state SMD battery from TDK is in stock at RS Components.

Small, easy to assemble, and intrinsically safe, CeraCharge combines the capacity of Lithium-ion (Li-ion) batteries with the safety and affordability of ceramic multilayer technology.

It is a good fit for a variety of IoT devices, from smart meters through to programmable logic controllers (PLCs), Bluetooth beacons (BLE), real-time clocks (RTE), and wearables.

Unlike most battery technologies, CeraCharge is based on a multilayer technology that resembles the structure of Multilayer Ceramic Chip Capacitors (MLCCs). Its solid ceramic electrolyte eliminates the risk of fire, explosion or leakage that comes with conventional liquid electrolytes.

One of the smallest in its category, CeraCharge comes in a compact EIA 1812 case size that integrates easily into a variety of IoT devices.

A highly flexible solution, it can undergo reflow soldering and be connected in series or in parallel, adapting easily to multiple design requirements. It can withstand operating temperatures between -20° to +80° C meaning it can be deployed safely, across a wide range of applications.

CeraCharge is durable and long lasting, offering reliable power supply over more than 1,000 recharging cycles. Its 100 µAh nominal capacity is approximately 1,000 times that of a conventional capacitor, but in the same case size.

Other product specifications include a small overall footprint (4.4 x 3.0 x 1.1 mm), nominal voltage of 1.5V, operating voltage of up to 1.6 Vop, and nominal discharge current of 20 µA.

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