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  • RE: OPA548: Whether OPA548 are suitable for driving inductive coil

    Resolved
    Hi Art Kay I am really appreciated that you provide such a detailed explaination and very easy-undestand answer and simulation. Also very appreciate your reminder about inductive load's kickback. Now I know how to analyse the phase margin by simulation…

  • TRF7970A: Auslesung eines RFID Tags mit einem Raspberry Pi

    TI Thinks Resolved
    Part Number: TRF7970A Hallo Ich möchte einen RFID Tag mithilfe des TRF7970A und dem passenden Entwicklungsboard DLP7970ABP auslesen. Normalerweise wird dazu das Launchpad MSOEXP430G2ET empfohlen. Aus verschiedenes Gründen möchte ich nun aber ohne…

  • RE: DRV421: Simulation Model

    Hello Javier, I've already found this document, so I would like to use it in the simulation. Because a Zero-flux current sensor has a very different principal as the hall sensor, so I must make sure if the output current from the IC, together with…

  • RE: OPA855DSGEVM: Power and Resistor Value

    Hello Evan, Good day. A follow-up inquiry. Is it possible to pulse width modulate the signal with circuitry on the DEM-OTA-SO? I am looking for output of a 3 ns pulse width at a 1kHz repetition rate either right before or after amplification with the…

  • TLV9041: low power design/strategy?

    TI Thinks Resolved
    Part Number: TLV9041 Team, Do we have some app note that gives some strategy for OPA used for low power application. So far no OPA has been selected but the use case the OPA needs to operate for 0,5ms every 125ms. It should be in low power the rest of…

  • OPA2277: OPA2277UA/2K5

    Part Number: OPA2277 Hi Expert, We found that the part marking of OPA2277UA/2K5 is OPA 2277UK but the spec showed that OPA 2277UA So which one should be correct? Need advice urgently. Thanks

  • DEM-PCM2912AEVM: Request shematic and full BOM of DEM-PCM2912AEVM

    TI Thinks Resolved
    Part Number: DEM-PCM2912AEVM Dear TI team The DEM-PCM2912AEVM circuit is blurry so I can't see it clearly. Can you provide a good looking circuit diagram? I couldn't find the exact part by looking at the part number in the BOM of DEM-PCM2912AEVM.…

  • RE: MSP430FR2672: Shield for self capacitance slider and very long slider length

    Hi Adam, Whether you use a XTAL or the internal DCO, neither has anything to do with the Captivate performance or SNR. Reason is the Captivate peripheral has its 16MHz oscillator that can be scaled down to meet the conversion frequency requirements and…

  • RE: OPA2365: Making a Voltage Sensor with High Precision

    Dear Sima, Our micro will be working with 3V. so firstly, I wanted to reduce the voltage using the sense resistors to 3V and then directly use the OPA 2365. Without the opto. I used opto just to seprate the high voltage. on the other hand, we use this…

  • RE: TPS25750: Controller doesn't provide full current in 5V@3A mode

    Hi, but if I connect a none PD power supply which can source 5V 1A, the tablet charges with 1A. So the sink doesn't seem to be the problem. Only when I connect the TPS25750 the charge current is limited to 0.5A. So it seems to be a configuration problem…

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