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Frequent questions

  • [FAQ] LP5814: How to solve NACK when send I2C command to LP5814 / LP5815 / LP5816 / LP5817

    Part Number: LP5814 Other Parts Discussed in Thread: LP5816 , LP5817 , LP5815 Tool/software: Four steps to solve the I2C NACK, Hardware check Device I2C slave address check Real output I2C data bits check SCL / SDA high low level check …

  • [FAQ] TPS922051: How to support time multiplex in color-mixing application

    Part Number: TPS922051 Tool/software: How to support time multiplex in color-mixing application with TPS922051/0?

  • [FAQ] BQ25611D: What is the function of the /QON pin on BQ2561x?

    Part Number: BQ25611D Other Parts Discussed in Thread: BQ25619 , BQ25618 , Tool/software: The /QON pin has multiple functions on the BQ25611D, BQ25618/E, and BQ25619/E and is pulled up internally. The only thing connected to this pin should be some switch…

  • [FAQ] BQ25611D: Why do I have to read the fault status twice to see the cleared fault on BQ2561x?

    Part Number: BQ25611D Other Parts Discussed in Thread: BQ25619 , BQ25618 , Tool/software: When a fault occurs on BQ2561x an /INT pulse is sent to the host. For the BQ25611D, BQ25618/E, and BQ25619/E the fault status in REG0x09[7:0]/REG0x0A[6:4] are…

  • [FAQ] BQ25611D: What is ship mode and how do I enter and exit it in BQ2561x?

    Part Number: BQ25611D Other Parts Discussed in Thread: BQ25619 , BQ25618 , Tool/software: The BQ2561x has a mode to minimize quiescent current for the BQ25611D, BQ25618/E, and BQ25619/E from the battery in cases when the system load is not needed to be…

  • [FAQ] BQ25611D: How do I set the temperature range I desire using the TS pin on BQ2561x?

    Part Number: BQ25611D Tool/software: The BQ2561x TS pin is used to monitor the battery temperature via a thermistor with a pull-up and pull-down resistor. As the two resistors represent two unknowns when designing the TS circuit, only two temperature…

  • [FAQ] TPS923651: How to design the CSP and CSN pin components for TPS923651 / 0

    Part Number: TPS923651 Tool/software: How to design the CSP and CSN pin components for TPS923651 / 0?

  • [FAQ] TPS922051: How to design the CSP and CSN pin components for TPS922051 / 0

    Part Number: TPS922051 Tool/software: How to design the CSP and CSN pin components for TPS922051 / 0?

  • [FAQ] BQ24800EVM: Why is my battery quiescent current higher than expected?

    Part Number: BQ24800EVM Other Parts Discussed in Thread: BQ24800 Tool/software: The quiescent current stated on the BQ24800 data sheet applies only to the IC itself and not the EVM. Other components on the EVM board can also draw small amounts of…

  • [FAQ] TPS923651: What is the LED current that TPS923651 can support with Boost configuration?

    Part Number: TPS923651 Other Parts Discussed in Thread: TPS922051 , TPS923650 Tool/software: When TPS923651/0 is configured as Boost configuration, what is the LED current that it can support?

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