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  • DRV8353M: what may destroy charge pump and VGLS linear regulator

    Part Number: DRV8353M Tool/software: Hi team, Customer used DRV8353HM as motor driver in CPR machine. During whole machine, there is 2/40 devices is failed. After test, we found that VCP of failed device is abnormal. And VGLS is only 4.1V and periodically…
    • Answered

  • RE: TPS65185: Load current range of Charge pump

    Resolved
    Hi Monisha, Unfortunately it is not possible to increase the load current of the charge pumps. The maximum is as stated in the datasheet, 15 mA. Best Regards, Sarah

  • BQ40Z80: BQ40Z80 CHG and DSG charge pump not providing voltage / output not enabling

    Part Number: BQ40Z80 Other Parts Discussed in Thread: EV2400 Hi I have designed a custom board for the BQ40Z80 using a 5 or 6s battery configuration. I have successfully validated the parameters using the EVM, however my board will not enable CHG…

  • DRV8143-Q1: Charge Pump not functional

    Part Number: DRV8143-Q1 Tool/software: Hi Team, I'm working on 2 DRV8143S-Q1 (VQFN) devices that shall work simultaneously, However the charge pump on these devices don't go above 12V. When I give HIGH signals to nSLEEP and IN, I only get 0.4V at the…
    • Answered

  • RE: TPS60400EVM-178: charge pump

    Resolved
    Hi This is the application. I need a charge pump to drive my 2 NMOS FETS
    • Answered

  • RE: TMUX121: Charge pump

    Resolved
    Hey Hailiang, There aren't any pullup resistors internally on this device but I don't believe we can share the structure of the charge pump itself. What is their interest in the charge pump with regards to the I2C bus? The I2C bus should be on the Dx…
    • Answered

  • BQ76942: OTP Programming, Powering and charge pump

    Resolved
    Part Number: BQ76942 Tool/software: Hi Ti team, I have some droughts regarding turn on the chip and charge pump Can I turn on the BQ76942 chip by providing 12V using bench-top (without cell voltages) across the BAT and VSS pins and also pull down…
    • Resolved

  • TPS61170-Q1: TPS61170 --Generating negative voltage with charge pump topology

    Part Number: TPS61170-Q1 Tool/software: Hi experts， I designed a negative voltage circuit based on the charge pump topology. The load capacity of the circuit confuses me: We use a constant current source to extract the load. the -24V output can drive…
    • Answered

  • LM74930-Q1: Charge pump behaviour in case of undervoltage fault condition

    Resolved
    Part Number: LM74930-Q1 Tool/software: Hello, I have the following two questions regarding charge pump behaviour in the event of undervoltage fault condition: Will the charge pump continue to operate during UV fault? How long does it take for…
    • Resolved

  • RE: DRV8328: Bootstrap architecture VS charge pump architecture benifits

    Hi Jie, Here is an E2E post with a similar question. Its for a different device but in general the pros and cons can be the same https://e2e.ti.com/support/motor-drivers-group/motor-drivers/f/motor-drivers-forum/1255112/drv8703-q1-how-does-doubler…

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