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Frequent questions

  • [FAQ] TPS2117: Why isn’t my Power Mux blocking reverse current/voltage?

    Part Number: TPS2117 Background When designing a power path with two or more input sources, it is imperative to not only be able to decide when to switch from one input to another, but also block current flowing from the active source to the inactive…

  • [FAQ] TPL7407LA: TPL7407LA vs. TPL7407L

    Part Number: TPL7407LA Other Parts Discussed in Thread: ULN2003A , TPL7407L , The applications for low-side switching are far reaching, with loads ranging from relays to solenoids, LEDs to lamps, etc. The ULN2003A for example is so widely used, it has…

  • [FAQ] Thunderbolt Reference Designs with TI USB-C PD Products

    Other Parts Discussed in Thread: TPS65988DJ , TPS65982BB , TPD6S300A , TPS65988DK , TPS65982DMC , TPS55288 , TPS2546 , TPD4S311A , TPS65987DDK , TPS25810 , TPS2553 For customers looking to design thunderbolt systems with USB-C, how should one determine…

  • [FAQ] BQ25720: How does BQ25720 charge a battery?

    Part Number: BQ25720 In other word, what is the battery charge profile?

  • [FAQ] BQ25720EVM: How to get the Altium design files?

    Part Number: BQ25720EVM Other Parts Discussed in Thread: BQ25720 , PMP22419 , BQ25731EVM , BQ25723EVM , BQ25730EVM To speed up the design, I would like to get the Altium design files.

  • [FAQ] TPS65220: TPS6522053RHBR schematic review for AM64x

    Part Number: TPS65220 Other Parts Discussed in Thread: TPS65219 , Hi, Please find attached the TPS65219 Schematic and Layout Checklist. We use PMIC, TPS6522053RHBR along with TPS22965DSGT in one of our products. Could you please review the schematics…

  • [FAQ] TPS23730: Using TPS23730 in PoE++

    Part Number: TPS23730 Other Parts Discussed in Thread: TPS23880 My customer is testing a PD board they designed using the TPS23730. The PSE board will use commercial products. Is there a difference in connection between the 802.3bt board and the POE…

  • [FAQ] Some 25.5-W PoE PD Controllers & Their Key Features

    Other Parts Discussed in Thread: TPS2378 , TPS2379 , TPS23751 , TPS23752 , TPS23754 , TPS23756 , TPS23731 , TPS23734 TPS2378/9 (PD only): - Compliance to IEEE 802.3at - 0.5-Ohm typ. hotswap - TPS2378 has adapter higher priority, TPS2379 has gate…

  • [FAQ] BQ25620: Does the BQ2562x device store my register configuration?

    Part Number: BQ25620 The BQ2562x family of charger ICs can be configured to operate in a variety of ways via I2C communication. They can also operate in 'default mode' without host control. The BQ2562x family of devices does not have non-volatile…

  • [FAQ] BQ25620: How does QON pin function work and what is required hold low timing?

    Part Number: BQ25620 The QON pin on the BQ2562x family of devices has 2 functions, which are both controlled by pulling QON low for a certain amount of time. These 2 functions are exit ship mode (i.e. BATFET enable) and system power reset. The timing…

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