Frequent Questions

  • [FAQ] BQ25756: What do I need to know about reverse mode or source mode for the BQ2575X family of parts?

    Part Number: BQ25756 Other Parts Discussed in Thread: BQ25750 There are 4 registers for the BQ2575X family that control reverse mode, EN_REV, VAC_REV, IAC_REV, and SYSREV_UV. For the BQ25750 specifically, these registers are EN_REV, VSYS_REV, IAC_REV…

  • [FAQ] BQ2575X: Input And Output Capacitors

    Part Number: BQ25756 Hello, For the BQ2575X family, 80µF is the minimum after derating for the input and output capacitance. 160µF of input and output capacitance is based on meeting a ±3% transient response requirement. Keep in mind, you'll also need…

  • [FAQ] BQ25758: BQZ File For BQStudio

    Part Number: BQ25758 Other Parts Discussed in Thread: BQSTUDIO Hello, Here is a link to the BQ25758 BQZ file: Charger_2_00-bq25758.bqz To install this bqz file, download the file and move it to the config folder of the BQStudio installation. Best…

  • [FAQ] BQ25750: BQZ File For BQStudio

    Part Number: BQ25750 Other Parts Discussed in Thread: BQSTUDIO Hello, Here is a link to the BQ25750 BQZ file: Charger_2_00-bq25750.bqz To install this bqz file, download the file and move it to the config folder of the BQStudio installation. Best…

  • [FAQ] LMH1297: Why should I pay attention to the return loss performance?

    Part Number: LMH1297 When signal goes through two different transmission line, signal may get reflected based on difference between these two medias impedances. Return loss is the ratio of the reflected signal to the launched signal. If signal goes…

  • [FAQ] AM6442: SERDES Common Mode Voltage, Seeing 400mv centerpoint in simulation

    Part Number: AM6442 Hello, I am trying to understand what voltage levels I am looking at with the AM6442 SERDES driver. I am using the IBIS-AMI model in HYPERLYNX I am seeing the common mode output voltage swing from 200 to 600 mV with a centerpoint…

  • [FAQ] AM6x: Optimizing SPI-transfer inter-byte gaps using the DMA in Linux

    Part Number: AM625 Other Parts Discussed in Thread: SK-AM62B , Overview In some applications it is critical that SPI transfers happen with the smallest-possible inter-byte gaps to either optimize throughout, or to meet certain overall system real…

  • [FAQ] TUSB522P: Linear vs limited re-driver

    Part Number: TUSB522P Other Parts Discussed in Thread: TUSB1002A , TUSB1044 , TUSB542 Hi Experts, I see parts like the TUSB1002A and 1044 described as "linear" re-drivers while the TUSB522P is a "limited" re-driver. Which one is better to use in a USB…

  • [FAQ] TUSB1002A: What loss does the TUSB1002A compensate for in a USB system?

    Part Number: TUSB1002A Other Parts Discussed in Thread: TUSB1064 , TUSB1044 Hi Experts, Will the TUSB1002A recover the loss before or after the re-driver? Best, Shane

  • [FAQ] AM6x: Using a custom device tree file for booting the Linux Kernel with TI's Yocto SDK v9.x

    Part Number: AM625 Other Parts Discussed in Thread: SK-AM62 , , SK-AM62B Overview It is a common need wanting to incorporate a custom Linux device tree file into the boot process of Yocto-generated filesystem images. This FAQ introduces a simple and…

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