Product category: Communications ICs (Wireless)
News Release from: Cambridge Silicon Radio | Subject: BlueVox-QFN
Edited by the Electronicstalk Editorial Team on 09 February 2007
IC drives Bluetooth headset BoM down to
$6
Bluetooth chip and example design dramatically reduces the cost of Bluetooth headsets and stimulates market demand.
CSR has launched a new Bluetooth chip and example design that dramatically reduces the cost of Bluetooth headsets and stimulates market demand CSR's new BlueVox-QFN chip, together with all of the necessary components for a Bluetooth mono headset, will cost OEMs only $6 bill of materials (eBOM), meaning they can now produce Bluetooth headsets at a fraction of current costs CSR's BlueVox-QFN is available now, and headsets using BlueVox QFN are expected to be on the market by Spring 2007
This article was originally published on Electronicstalk on 24 Aug 2001 at 8.00am (UK)
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BlueVox QFN is the only Bluetooth headset chip available that enables the use of a low cost, two layer, single-sided PCB.
This means lower overall cost, faster PCB design time and simpler manufacturing than alternative solutions which require PCBs with four or more layers.
With a powerful +5.5dBm transmitter and a sensitive -88dBm receiver, the new device offers superior RF performance to any Bluetooth headset solution announced so far.
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Cambridge Silicon Radio and Fujitsu have been working together to develop Flash memory optimised for Bluetooth requirements.
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The CompactSira development kit from Cambridge Silicon Radio now comes with a sample CD of Rappore's Bluetooth host protocol stack, profiles and My Wirefree Network user interface.
This performance advantage means that headsets designed using the BlueVox QFN chip will, for example, will be noticeably better when there is no line of sight connection between the headset and the phone.
Power consumption is also better than any announced headset solution, with a battery life of up to 10 hours using a small lightweight battery.
The device's internal battery charger uses an advanced charging algorithm, including temperature controlled charging.
In addition the charging circuitry can also support low cost NiMH (nickel metal hydride) batteries.
Anthony Murray, Senior Vice President, Wireless Audio Business Unit, commented: "Reducing costs without sacrificing quality is a major focus for us".
"For example, it's important that low cost Bluetooth headsets support the latest Bluetooth features, such as eSCO (extended synchronous connection oriented), so that they sound good".
"We set about not only maintaining audio quality, but also improving range and battery life and significantly lowering the costs".
"We believe that BlueVox QFN,is an important step towards making Bluetooth headsets attractive to a much wider market".
CSR has launched BlueVox QFN with an accompanying example design that simplifies the task of creating a high-quality, low-cost headset.
The example design includes schematic layout, BOM and Gerber files.
The total eBOM of US $6 covers the silicon plus costs for lithium battery, PCB, microphone and speaker plus all of the necessary additional electronic components.
CSR believes that reducing the cost of Bluetooth headsets will allow OEMs to access a much larger marketplace.
A lower cost design will also open up a wider range of retail channels for Bluetooth headsets and will also give mobile handset manufacturers the opportunity for low-cost headset bundling - driving Bluetooth attach rates in both devices.
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