RE: DRV8811: Issue with DRV8811
Hello, Thank you very much for the information provided. We are in the process of identifying if the devices are from an old silicon revision but we are unable to trace the 54TC marking. Could you...
View ArticleRE: DRV8701: Advice on H-Bridge Driver
Rick, I think I sorted out my own short here. I've been thinking about Vgs all wrong! Maybe reading too many articles for LV applications, probably just never thinking it through. I was treating it...
View ArticleRE: DRV3245-Q1 datasheet
Hi Nils, This part is still in development, there will not be a datasheet available online for some time. An early preview of the datasheet is possible and will require some basic details on your...
View ArticleDRV3245-Q1 datasheet
Hello,I am currently working on a project in which we need to control a trhee-phase inverter. So I am on a tehcnological watch. I am looking for the full datasheet of the DRV3245-Q1 component. Indeed...
View ArticleRE: DRV8801: DRV8801 about the trip current questioins
Hello Mickey,The value for the trip current if there is no sense resistor (Sense pin directly connected to ground) is 2.8A, this is the max current value.The trip current value can be lowered through...
View ArticleRE: DRV88xx - Current sense input: absolute maximum rating and protecting the...
Hi Anthony,Thank you for your feedback. This spec is intended as a DC specification, meaning sustained voltages of greater than 1 V on the SENSE pins will damage the device. The footnote is to...
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DRV88xx - Current sense input: absolute maximum rating and protecting the...
Team,In most of the DRV88xx devices the current sense input voltage (SENSE on DRV8816, ISEN on DRV8870, AISEN on DRV8880) seems to be have a transient requirements (see below pictures from...
View ArticleRE: DRV8823: DRV8823 about single step function question
Hi Mickey, For question 1: I apologize for not understanding your question correctly. What do you mean by 16 times at the same single speed? what single speed are you referring to? For question 2: you...
View ArticleRE: DRV8832: VSET voltage dead band
Hello Luis-san, Could you please provide information of your setup mentioned above? Thank you for your support. Best regards, Kaizawa
View ArticleDRV8832: VSET voltage dead band
Part Number: DRV8832Hello support team,My customer is trying to use DRV8832 to drive the VCM by changing the VSET voltage from 0V to 800mV. But, it seems there is some dead band of the VSET voltage...
View ArticleRE: DRV8823: DRV8823 about single step function question
Luis， Thanks. For the DRV8821, the table 1 of the datasheet show it cannot achieve the single step function. Is my understanding correct?
View ArticleDRV8823: DRV8823 about single step function question
Part Number: DRV8823Hi Team,The customer would like to use DRV8823.Q1: For the DRV8823, If the SPI bus is used to send the step commands, the main frequency of SPI is needed to increase at least 16...
View ArticleRE: DRV8801: DRV8801 about the trip current questioins
Hi Luis, Thanks. Q1: You mean that the overcurrent 3A cannot be changed through the Itrip, right? Q2: Can the Itrip current or higher be set as the stall current?Q3: For the R_sense = 0.5V/ I_trip,...
View ArticleDRV8801: DRV8801 about the trip current questioins
Part Number: DRV8801Hi Team,The customer would like to use DRV8801. Q1: Can you explain what the trip current is? Is its vlaue 2.5A ? Does 2.5A remain the same? Can the trip current be changed?Q2:...
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RE: DRV8811: Issue with DRV8811
Could you please answer my questions regarding the 8818 ? If it is compatible and not affected by the silicon bug, we will replace the 8811 with this part. At least for the current PCB batch.Below are...
View ArticleRE: TPIC2060A: Spindle Motor Drive problem
Hello Aaron, Thank you for reply. >Does this happen to all units in the customer's mass production, or only some? ->This problem is happened on total five units(devices) and it is not happened in...
View ArticleRE: DRV8885: min/max tBLANK
Hello Holger, The min/max for typ = 1 is 0.8/1.33 respectively. The min/max for typ = 1.5 is 1.2/2.0 respectively. All units usec of course. Thank you.
View ArticleDRV8885: min/max tBLANK
Part Number: DRV8885Hello,what are the min/max value of the tBLANK of the DRV8885. The d/s includes only the typ.Regards, Holger
View ArticleRE: DRV8811: Issue with DRV8811
Hello, Thank you for the pictures. We have not been able to track the 54TC marking. The 52TC is not from 2005 since this part was released in 2008. We would like to have these parts back to do a test...
View ArticleRE: TPIC2060A: Spindle Motor Drive problem
Tao,Before we get into register settings, I want to make sure I understand the issue. 1. How many total units has the customer tested? 2. You mentioned in a) from your reply that you swapped out the...
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