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pointing mirror
Related Posts

  • Forum Post: TALP1000B samples available through TI eStore

    rmeza
    Based on feedback from its recent ti.com release, limited sample quantities of the TALP1000B dual-axis pointing mirror can now be purchased through the TI eStore. This eStore option allows purchase of 3 or 6 mirrors for evaluation. For quotes and availability of larger quantities of TALP1000B mirrors...
    on Dec 15, 2009

  • Forum Post: Large MEMS pointing mirrors

    Stephanie Waite
    Hi, I was wondering what was the largest size available is for the MEMS pointing mirrors. I am looking for something with a 6 or 7 mm diameter. I some of the literature, the largest MEMS mirrors available is 5 mm diameter. Are specs available for a part that large? For the TALP1000B, is there any...
    on Sep 9, 2010

  • Forum Post: Source Code from Application Report DLPA009

    Judith
    The Application Report DLPA009 shows code snippets from different sources, e.g. it mentions a file called "control.c". Does anyone know if these source files are available (for prototyping in a research project)?
    on Sep 14, 2010

  • Forum Post: UV capable micro-mirror

    Graham Gifford
    I need to deflect a light beam from a fibre optic, through 90 degrees with a switchable system. The light is in the 190nm to 1100nm range. Is there a technology within the MEMS product range that could do this? Best Regards Graham Gifford
    on Dec 9, 2010

  • Forum Post: TALP1000B coil current

    sb57429
    Hello, I just wanted to check if the coil current at maximum rotation applies for one coil or the whole axis as the circuit schematic looks like there are two coils in parallel per axis which would give me 130mA max. per axis. How much current can the mirror take per coil/axis max. (e.g. in case...
    on Jan 12, 2011

  • Forum Post: Re: TALP1000B magnets

    Arthur Turner
    Hi Mike, We do have long term life test data on a different product that uses the same SmCo magnets. A total of 64 parts were actuated for >20,000Hrs at 60C with no significant increase in drive current (no change in magnitization). Regards, Arthur
    on Sep 23, 2011

  • Forum Post: Re: TALP1000B magnets

    Arthur Turner
    Hi Mikhail, These devices are resoanant scanning mirrors. The error in the drive current measurement is +/- 5%. We saw no change to this level. Regards, Arthur
    on Sep 23, 2011

  • Forum Post: Re: Driver design for TALP 1000B

    Arthur Turner
    Hi Jasna, Could you provide a basic application description (use the mirror in a pointing or scanning mode) and a basic discription of your PWM drive circuit. These will help us better answer your frequency question. Regards, Arthur
    on Sep 28, 2011

  • Forum Post: Re: TALP1000B hard stop

    Arthur Turner
    Hi Mike, The TALP1000B does have mechanical rotation stops. These stops limit the maximum rotation angles to a value between 5 and 6 degrees. Regards, Arthur
    on Sep 29, 2011

  • Forum Post: Re: TALP1000B hard stop

    Arthur Turner
    Hi Mike, The rotation stops are an integral part of the design. The TALP1000B has 8 magnets which (in conjuction with the 4 drive coils) provide the torgue required for rotation. Four magnets are easily visible on the reflective mirror side and 4 additional magnets are attached to the underside of...
    on Oct 3, 2011

  • Forum Post: Re: TALP1000B magnets

    Arthur Turner
    Hi Mike, Sorry I just now noticed you post. Average deflection efficiencies are calculated on the currents measured at constant angle, in this case, +/-5 degrees mechanical. "Average" means that only the +/-5 degree currents are used, small non-linearities produce slightly different deflection...
    on Oct 4, 2011

  • Forum Post: Re: TALP1000B hard stop

    Arthur Turner
    Hi Mike, TI recommends that the TALP1000B be operated within the data sheet operational angle specification which is +/-5 degrees mechanical for both axis. All qualification and reliability testing was restricted to this angle range. The mirror hinges can be damaged if a current corresponding to large...
    on Oct 6, 2011

  • Forum Post: Re: TALP1000B hard stop

    Arthur Turner
    Hi Mike, The TALP1000B uses a push/pull type actuator. The coil winding and magnet polarities are arranged so that coil current pushes up on one magnet and pulls down on the other. There is no force on the rotation axis so there should be no sag. The previous statement is strictly true only for small...
    on Oct 6, 2011

  • Forum Post: Re: TALP1000B Replacement Recommendations?

    Arthur Turner
    Hi Brad, TALP1000 m irror s were subjected to a tigh temperature life test as part of the qualification process. Devices were actuated the full 5 degrees mechanical at 60 Hz for 2000 Hrs at 85C. The sample size was 45 parts and both axes were driven using the same sinusoidal waveform rather than the...
    on Oct 18, 2011

  • Forum Post: Re: TALP 1000B

    Arthur Turner
    Hi Ash, Applying 0.7V across pins 1 and 2 or across pins 11 and 12 should result in current flow in the circuit. Please verify that current is flowing (10mA for 0.7 V DC and 7.5mArms for 0.7 V AC). The current flow should result in mirror motion. If this is not the case then the divice may have been...
    on Nov 3, 2011

  • Forum Post: Re: Query Regarding Talp1000b

    Arthur Turner
    Hi Vishal, The TALP1000B is an analog pointing mirror. It does not operate by moving in discrete angular steps. The voltage applied to the drive coils produces a current which results in mirror rotation. There is no minimum current increment for mirror rotation. If you are using a digital to analog...
    on Dec 5, 2011

  • Forum Post: Footprint for TALP1000 b analog pointing mirror

    ishailesh
    Sir, I am working on a pcb layout. I have to generate a footprint for talp1000 b ,so i would like to know about pin size and other relevant mechanical dimension. Please provide the same ASAP. Thanks
    on Apr 4, 2012

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