DRV8305: 1-PWM Mode high impedance state issue
Part Number: DRV8305I was trying to configure the driver to single pwm mode.2 of the 3 phase which are supposed have signals are working fine but the phase in which high z state is to be present is not...
View ArticleRE: DRV8838: Separate Ground symbol in Block Diagram?
Hi Akash, No, there is no particular reason.
View ArticleDRV8838: Separate Ground symbol in Block Diagram?
Part Number: DRV8838Hello,In the datasheet for the DRV8838 on Page 10 there is the functional block diagram and customer pointed out that there are two separate symbols for ground. Is there a...
View ArticleRE: DRV110: DRV110APWR
Boris, I confirmed with design. The variation in the spec is due to process tolerance among devices. The variation due to temperature is small.
View ArticleRE: DRV595: Startup voltage issue
Hi Alex, Thank you so much for your very detailed answer. I really appreciate it. You have answered most of my questions. Also by using super large RC delay to generate >10ms time, we are able to...
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RE: DRV595: Startup voltage issue
Hi Lixing,About your question about the output filter, as Alex explained above, you have to reserve two inductor+capacitor filters for the OUT+ and OUT-. OUT- ouptut is still switching in 1spw mode for...
View ArticleRE: Starterware/DRV8301: DRV8301 for driving a single Phase BLDC
Hi Duncan, okay, thanks again for the Information. Regards, John
View ArticleRE: DRV8305: 1-PWM Mode high impedance state issue
Well I was operating on 6.5v as my source. (I'm operating at such low voltage because the output is not as expected. And no motor is connected to the driver) The high side gate of the high-z phase gets...
View ArticleRE: DRV595: Startup voltage issue
Hi Shawn and Alex. Thanks a lot and now it is much more clear for me now. I have no further questions. Thank you so much.
View ArticleRE: DRV8305: SHx output voltage at power on
Hi Yamamoto-san,We will investigate and reply soon. We are approaching a holiday so this may take until late next week.
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DRV8305: SHx output voltage at power on
Part Number: DRV8305Dear all,I tested DRV8305 and had question.*I attached test fileCH1:yellow = PVDD voltage(=24V input)CH2:green = SHA voltageWhen power on, I thought that SHA output 12V=24V/2....
View ArticleRE: DRV8305: pulled dpwn behavior of SHx at UVLO
Hi Yamamoto-san, We will investigate and reply soon. We are approaching a holiday so this may take until late next week.
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DRV8305: pulled dpwn behavior of SHx at UVLO
Part Number: DRV8305Dear all,I confirmed power off test and had question.I found that SHA was pulled 0V when PVDD went down about 5V.CH1:yellow = PVDD voltage(=24V input)CH2:green = SHA voltageDoes...
View ArticleRE: DRV8305-Q1: Reset of DRV8305-Q1
Hi Michino-san, We will investigate and reply soon. We are approaching a holiday so this may take until late next week.
View ArticleRE: DRV8305-Q1: Reset of DRV8305-Q1
Hi, Rick-san,Thanks for your support.I will wait for your reply.Thanks, Masami M.
View ArticleDRV8305-Q1: Reset of DRV8305-Q1
Part Number: DRV8305-Q1Dear, AllCustomers are worried about dealing with the malfunction of DRV8305-Q1 state machine operation.If they know that the DRV8305-Q1 state machine malfunctioned, is there any...
View ArticleDRV8305: the gain of shunt amplifier is half as value as the setting value
Part Number: DRV8305Dear all,I investigated the gain settings of shunt amplifier in DRV8305NPHPR in following way.As a result, the gain is half as value as the setting value.Do you have any idea to...
View ArticleRE: DRV8305: the gain of shunt amplifier is half as value as the setting value
Hi Shirai-san, We will investigate and reply soon. We are approaching a holiday so this may take until late next week.
View ArticleRE: DRV8305: SHx output voltage at power on
Hi Duncan-san, Thank you for your help and I know your holiday approaching. However, could you inform us whether this 24V output is correct behavior or not? At this time, I did not High/Low gate input...
View ArticleRE: DRV8301: Safe Torque Off function (STO) by disabling PVDD1
Hi RickHave you got any news about this issue? We are currently stuck in our development and need a well-grounded advice. Are the gate drivers in the DRV8301 similar to for example the LM5107 regarding...
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