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0.9V microcontroller powered by single-cell battery

Posted: 20 Sep 2010     Print Version  Bookmark and Share

Keywords:microcontroller  MCU  boost converter 

Texas Instruments Inc. (TI) reveals a 0.9V microcontroller (MCU), a member of TI's MSP430 range of MCUs, that claims to be a true 0.9V MCU with ultra-low power consumption. It runs from a single-cell battery and does not need an on-board boost converter or an external circuitry.

Developers can use it in electric toothbrushes, razors, toys, security devices and other small applications using single-cell battery such as AAAs and coin cells.

Battery usage is optimised by the true 0.9V operation, along with ultra-low power consumption of 45�A (active) and wake-up time of less than 5µs. Programmable analogue building blocks also allow the MSP430L092 to be configured as five different peripherals.

The MSP430L092 is available in three variations: MSP430L092 (RAM), MSP430C091 (ROM) and MSP430C092 (ROM). Up to 2KB RAM and 2KB ROM give developers several choices for their applications. The integrated analogue functions pool (A-POOL) allows functions such as analogue-to-digital converter, digital-to-analogue converter, system voltage supervisor, and temperature sensor or comparator. The analogue peripheral configurations can run sequentially even without user input.

TI sells the MSP430L092 at Rs.39.69 ($0.85) at 10,000 units while the supporting MSP-TS430L092 (Rs.4,622.91 ($99)) and MSP-FET430U092 (Rs.6,957.71 ($149)) development tools are available immediately.

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