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  • TPS61177A: Power management forum

    Part Number: TPS61177A HI i am using tps61177a and trying to check the registers using i2c where i receive NACK after sending the slave address, my hardware follows like this as in pin order 1 - pull up of 4.7k ohm connected to data pin of microccont…
    • Answered

  • TPS61177A: Can TPS61177A each output current or PWM ratio be programmed individually?

    Resolved
    Part Number: TPS61177A Other Parts Discussed in Thread: TPS61196 Hello guys, One of my customers is looking for a boost multi channel constant current output LED driver which can program the outputs current or PWM ratio individually. I thought TPS61177A…
    • Resolved
    • Answered

  • TPS61177A: I2C NACK

    Resolved
    Part Number: TPS61177A Hi, I have created a small prototype board using the TPS61177A which powers an array of LEDs as expected. I now want to be able to alter some of the parameters via I2C, but keep getting a NACK response as shown below. I have configured…
    • Resolved

  • RE: TPS61177A: TPS61177A unable to boost the voltage to required level

    hi amol Q1: I think 14VDC should have higher efficiency Q2: what do you mean on " significant dimming effect "? any waveforms available to show this?

  • TPS61177A: individual channel control

    Part Number: TPS61177A Other Parts Discussed in Thread: TPS61196 Hi, We have one query to clarified about capability of TPS61177A It has 6 channels/ current sink. We would like to control it in two groups with 3 channels in each group (group one - CSn…

  • TPS61177A: Does using with PWM mode only is possible?

    TI Thinks Resolved
    Part Number: TPS61177A 1. Can we use this device with PWM control only? as my board do not have interface available for I2C 2. will it be suitable for 9 LED strings with 3 LED's in serial (max IF 20mA, VF 3.2V for each LED), so combining all CS1 to CS6…

  • TPS61177A: I2C Communication_ device address '2C'

    Part Number: TPS61177A I have a design with TPS61177a, following the reference design. there's another device on i2C bus with address '5d'. after asserting the 'ENB' pin, I can find two devices on I2C line with address '2C' and '5d'.…

  • TPS61177A: LINUX Driver of TPS61177A

    TI Thinks Resolved
    Part Number: TPS61177A Hi team, could you help provide with the Linux driver of TPS61177A? BR Brandon.

  • TPS61177A: TPS61177A power on control Timing

    TI Thinks Resolved
    Part Number: TPS61177A For LCD Module spec request, may I have your suggest for below pic T1~T4 Timing , I can't find it from spec, thanks ! Thanks and Best Regards James Su
    • Answered

  • TPS61177A: Met some question in dimming

    Resolved
    Part Number: TPS61177A Hi team, we are using the TPS61177A in tablet and met some question in dimming. DIMMING MODEL: Mix Frequency:600khz schemtic: input: single cell Load:9x6 LED Output voltage:27V@21x6mA question: when change the D of PWMB from 0…
    • Resolved

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