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Frequent questions

  • [FAQ] TPS2373-4EVM-758: Active Bridge Rectifier Disconnect Circuit (Q18)

    Part Number: TPS23754 Other Parts Discussed in Thread: TPS2373-4EVM-758 Hi Sir, There is an Active bridge design on the TPS2373-4EVM-758 and we applied it with TPS23754 design. 1. May I know what's the purpose of the Q18 on the active bridge circuit…

  • [FAQ] LP8861-Q1: Different ISET current setting equation

    Part Number: LP8861-Q1 Other Parts Discussed in Thread: TPS61194-Q1 , TPS61193-Q1 For the devices LP8861-Q1, TPS61193-Q1, TPS61194-Q1, the maximum current for the LED current sinks is controlled with external Riset resistor at ISET pin. But there are…

  • [FAQ] BQ24040 and BQ2404X family Trouble Shooting Tips, No Output, Charge Current Low, Early Termination and Others.

    Other Parts Discussed in Thread: BQ24040 , BQ24090 , BQ21040 , BQ24050 What are some trouble shooting recommendation if we are seeing problems with the BQ24040 or similar devices.

  • [FAQ] UCC27211A: What's the difference of UCC27211A and UCC27211

    Part Number: UCC27211A Other Parts Discussed in Thread: UCC27211 , UCC27210 The UCC27211 and UCC27211A 4A, 120V half-bridge drivers are high performance drivers which have virtually the same specifications in the parameter table. There are some differences…

  • [FAQ] BQ24040 and BQ2404X family TS pin configuration of NTC and TTDM mode

    Other Parts Discussed in Thread: BQ24090 , BQ21040 , BQ24050 The TS pin has multiple ways that it can be configured. What is the best way to connect it and how?

  • [FAQ] UCC27511A: What is the difference between the Low Side Drivers UCC27511A and UCC27511? Improved Negative Input Voltage Handling capability

    Part Number: UCC27511A Other Parts Discussed in Thread: UCC27511 , Switch-Mode Power Supplies and Merchant DC-DC converter applications often require high current drive and hard switching to drive large loads. This hard switching of the power switches…

  • [FAQ] TITLE – BQ24040 and BQ2404X family Vin to Vout vs Charge Current Regulation.

    Other Parts Discussed in Thread: BQ24090 , BQ21040 , BQ24050 When the battery voltage is low, between 3V and 3.6V the charge current is normal, 800mA. But as battery voltage increase the charge current begins to drop from 800mA to 460mA, battery is…

  • [FAQ] UCC27282: Gate driver IC prevents damage from negative voltage spikes due to stray layout inductance and protects against cross conduction with built-in interlock in 100V half-bridge applications

    Part Number: UCC27282 Advanced power supply designers often face challenges when designing robust, high density, and high efficiency power supplies. To achieve these, they often ask for gate driver ICs that are as small as possible, but at the same…

  • [FAQ] TPS659037: TPS6590376ZWSR vs TPS6590378ZWSR

    Part Number: TPS659037 Other Parts Discussed in Thread: AM5728 Customer is referring to AM5728 EVM schematic & using TPS6590376ZWSR. TPS6590378ZWSR is available & I see three differences between both devices from user guide: 1. GPIO_2 was added to…

  • [FAQ] What type of bridge do I need for my PoE PD application?

    What type of bridge do I need for my PoE PD application?

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