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BLE 4.2 Chips For IoT Claim 3.2 mA Transmission Power

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BLE 4.2 Chips For IoT Claim 3.2 mA Transmission Power

Toshiba has launched two new Bluetooth Low Energy 4.2 chips featuring a low current consumption as well as enhanced security ideal for IoT applications. Some applications include healthcare wearables and other small devices that use coin batteries, such as sensors, remote controls and toys.

The new TC3567CFSG and TC3567DFSG realize a peak current consumption of just 3.3mA at 3V supply when in transmission mode, through use of a highly efficient DC-DC converter and proprietary low-power circuit design, according to the firm.

To strengthen the protection of information in IoT applications, the chips are able to acquire a random number with a length of up to 32B, using a random number generator.

TC3567CFSG comprises a 128KB Flash ROM for storing user programs and various other forms of data in stand-alone operations, and can execute application programs of up to 50KB in size.

An RF matching circuit and crystal load capacitors are integrated for timing purposes and they help reduce the external component count, with as little as seven peripheral components being required. This, says Toshiba, reduces bill-of-materials costs and the PCB area.

As the TC3567DFSG has no built-in Flash ROM, it is able to achieve even lower power budgets. Thus, it can support longer operating times for applications powered by small coin batteries. For example, using a CR2032 type coin battery, this IC can carry out beacon operation for a period of over two years, according to the firm.

Samples for both devices are now available. For further details, view the full Press release.

 

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