Freescale provides Fujitsu with accelerometers

Fujitsu is using Freescale accelerometers to help protect business-critical data stored on hard disks (HDDs) in mobile PCs.

Robust, energy efficient HDD data protection is required for a range of mobile PCs, from entry level to high-end laptops used in business and commerce.

Freescale's three-axis, low-g MMA7341L acceleration sensor helps safeguard data stored on HDDs used in Fujitsu's FMV BIBLO LOOX R series PCs.

Featuring a lightweight, robust design and good mobile performance, the LOOX R series PCs are designed to store data on HDDs for a variety of business needs in various locations.

Users of business laptop PCs regard HDD data protection to be a vitally important function.

When used in HDD designs, the power-efficient MMA7341L sensor is designed to quickly detect an abnormal condition, such as a freefall, and retract the magnetic heads used for data read/write operation.

This capability helps to protect data by preventing the HDD disk surface from being damaged.

The MMA7341L sensor also features +/- 2mg/degree (max) for 0g offset voltage and 0.0075 per cent/degree (max) for sensitivity.

These temperature characteristics can reduce the potential for error in HDD applications.

Freescale integrates its acceleration sensors, which are used in automotive applications such as tyre-pressure monitoring systems, into small plastic packages to enhance reliability and help reduce overall system cost.

The cost-effectiveness and dependability of these sensors will help accelerate the adoption of HDD protection technologies into laptop PC models.