Part Number: DRV8305-Q1 Other Parts Discussed in Thread: DRV8350 Hi team,
For DRV8305N, if MCU watchdog is not used, can customer just float PWRGD pin? Will this cause any problem to the device since PWRGD pin has pullup to VCC?
Hi Kura-san, I have talked to the design team and they confirmed in the DRV8305-Q1 that the dead time implementation is digital, so the maximum variation is +/-10% of the typical specification for td_min and for tdtp across temperature and process variation…
Part Number: DRV8305-Q1 Other Parts Discussed in Thread: DRV8305 Couple questions on the Wake pin of the DRV8305 that are not addressed in the datasheet (that I can find):
Is there a pull-up or pull-down on the WAKE pin?
What is the timing required after…
Part Number: DRV8305-Q1 Other Parts Discussed in Thread: TMS320F280040C-Q1 , DRV8305 , With the TI MCU TMS320F280040C-Q1 we have a problem of the 3.3V supply ADC.
The DRV8305 current amplifiers reference is set to 3.3V via VREF but the amplifiers are powered…
Part Number: DRV8305-Q1 DRV8305NQPHPRQ1
Our csutomer did EMI test but their system.test result is attached.
EMI test result.xlsx
Large noise is found at DRV8305NQPHPRQ1.
When EN_GATE is high,large noise is found.
When EN_GATE is low also large noise…
Part Number: DRV8305-Q1 When PVDD ramp up slowly around 8V,nFault assert one time.
They checked resister map through SPI in this time ,but resister is empty.
They would like to know why resister is empty .
If they checked resister…
Part Number: DRV8305-Q1 Other Parts Discussed in Thread: DRV8305 Symptoms occur at 90, 91, 92, and 93% when the duty ratio is increased from 80% to 1%. (Does not occur after 94%)
・ When the above four duty ratios are set, the symptom always reproduces…