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Frequent questions

  • [FAQ] BQ76952: What is the Soft SHUTDOWN state?

    Part Number: BQ76952 I am trying to enter SHUTDOWN mode, but the device will not SHUTDOWN. I think I may be in Soft SHUTDOWN, but I have some questions: How do I know if the device is in Soft SHUTDOWN? How is Soft SHUTDOWN different from SHUTDOWN…

  • [FAQ] BQ76952: How does SHUTDOWN mode work?

    Part Number: BQ76952 I would like to know more about SHUTDOWN mode. What methods can I use to enter SHUTDOWN mode? How do I know if my device is in SHUTDOWN mode? How do I WAKE the device from SHUTDOWN mode?

  • [FAQ] Frequently Asked Questions: Solid State Relays

    What is Avalanche Breakdown? How Can I Simulate TPSI305x-Q1 Using PSpice for TI? What is Creepage and Clearance in Isolated Switches and Switch Drivers? How do I setup TPSI305x-Q1? How do I choose the right MOSFET for the TPSI3xxx Isolated Switch…

  • [FAQ] What is Avalanche Breakdown?

    Other Parts Discussed in Thread: TPSI2140-Q1 Avalanche breakdown in power FETs Avalanche breakdown can occur in any power FET, as its preconditions are met when the FET is off and there is a high potential from drain to source. It is an important…

  • [FAQ] BQ25720: How to set maximum input current limit?

    Part Number: BQ25720 Hi， How to understand the description about “nominal or typical input current limit” and “maximum input current limit”，which one is the actual input current limit？How to add“100mA/200mA offset” to calculate the “ maximum input…

  • [FAQ] TPS650350-Q1: How can I get design documents for TPS65035xx-Q1 devices?

    Part Number: TPS650350-Q1 The design documents (datasheets and TRM) are on TI MySecure folder. Customers can request access from the link below: www.ti.com/.../swlicexportcontrol.tsp Once approved, design documents can be accessed from the link…

  • [FAQ] TPS650330-Q1: How can I get Function Safety documents for TPS65033xx-Q1 devices?

    Part Number: TPS650330-Q1 The Function Safety documents are on TI MySecure folder. Customers can request access from the link below: https://www.ti.com/licreg/docs/swlicexportcontrol.tsp?form_id=302189&prod_no=TPS65033X-Q1_FUNCTIONAL_SAFETY_DOCS&ref_url…

  • [FAQ] TPS650330-Q1: How can I get design documents for TPS65033xx-Q1 devices?

    Part Number: TPS650330-Q1 The design documents (datasheets and TRM) are on TI MySecure folder. Customers can request access from the link below: www.ti.com/.../swlicexportcontrol.tsp Once approved, design documents can be accessed from the link…

  • [FAQ] BQ4050: FAQ Home Page

    Part Number: BQ4050 FAQs How to enter UNSEAL or FULL ACCESS modes after sealing the gauge? How long does the voltage on the PACK pin need to be applied to wake-up the gauge? What are the differences between hardware and firmware protections? …

  • [FAQ] What are the advantages to using Totem Pole PFCs in power supply applications?

    Other Parts Discussed in Thread: UCC27517A , UCC21551 , UCC27714 When looking for a power supply for an AC/DC system, high efficiency, high power factor (PF) and low power line harmonics are all of major concern. This article will take a look at power…

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