RE: DRV8812: Risense of DRV8812
Hi Hasebe-san, I am glad to hear both mixed and fast decay agree. Slow decay may not be able to control the current at slow motor speeds. If the current reduction during the slow decay time is less...
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DRV8812: Risense of DRV8812
Part Number: DRV8812Dear Sirs,My customer asked us about Risense of DRV8812.Customer is measuring Ichop by changing Risense from 0.5 Ω to 0.68, 0.47.So setting current regulation to 38% with this...
View ArticleRE: Some questions about drv8332
Hi zx, Figure 12 is one possible configuration for this device. There are others. If you use a 3 PWM input scheme, the RESET_X pins can be controlled by standard GPIOs. Please note Figures 13 and 14....
View ArticleSome questions about drv8332
Dear sir.I am new to Brushless Direct Current Motor! I read the datasheet of drv8332, I found that the PWM outputs are in relationship with hall sensors. So do I need to check the hall sensor output...
View ArticleRE: CCS/DRV10983EVM-TB: Using Targetboard and Launchpad
Jayant, I would like to help you with the PCBA layout and design. I have requested to be your ‘Friend’ on the E2E forum. If you accept we can communicate privately off-line and discuss the problems you...
View ArticleCCS/DRV10983EVM-TB: Using Targetboard and Launchpad
Part Number: DRV10983EVM-TBTool/software: Code Composer StudioI am new to this field and am learning to use the Target board and Launchpad to program DRV 10983. I have a motor spinning successfully and...
View ArticleRE: DRV8307: Using CSD18540Q5BT MOSFETs with DRV8307
I removed the three capacitors C4,C5,C6 and took some more current measurements of my custom board. See the first 2 pages of the attached document.(Please visit the site to view this file)
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BOOST-DRV8711: demo application
Part Number: BOOST-DRV8711hi,Firstly my english is very bad. I have msp430 and drv8711 booster-pack. my problem is as in the picture below . error is no source available for 0xe32cafter click connect...
View ArticleRE: DRV8307: Using CSD18540Q5BT MOSFETs with DRV8307
Hi Stephen,Thank you for the detailed information. The 1.8V spike measured on the ISENSE line is not expected, this sounds like a shoot through type of event. This should be triggering the OCP...
View ArticleRE: DRV8301: How to calculate DRV8301 switching losses
Very good. Thank you for the help. I did not realize that 6V operation was possible, so it is useful to know and use that.I modified a boostxl-drv8301 and put a 10 ohm resistor in series with PVDD1 to...
View ArticleDRV8301: How to calculate DRV8301 switching losses
Part Number: DRV8301I'd like to better evaluate and better understand power loss on the drv8301. The datasheet lists a single typical operating condition current, I PVDD1_OP = 15 mA at 10 kHz/100 nC...
View ArticleRE: DRV3205-Q1: The max/min value of input offset voltage and drift of...
Hi Shimizu-san,I will send you a direct message over email in the next day with our response.Regards,Will Toth
View ArticleRE: DRV8307: Using CSD18540Q5BT MOSFETs with DRV8307
Phil,I zoomed in on one transition as requested. Also zoomed out showing current vs the two gate signals.(Please visit the site to view this file)
View ArticleDRV8307: Using CSD18540Q5BT MOSFETs with DRV8307
Part Number: DRV8307I am using the CSD18540Q5BT MOSFETs in place of those suggested in the DRV8307 example schematics. I'm running into some issues debugging my custom board and was hoping someone...
View ArticleRE: DRV8432: Datasheet Interpretation
Hi Daniel, I found an old note that says the 9mA is a typo. The correct value should be 7A. This will be updated in a future datasheet.
View ArticleDRV8432: Datasheet Interpretation
Part Number: DRV8432Hello,What is meant by the Continuous current per output pin (DRV8432) Reference datasheet page 6, 6.3 Recommended Operating Conditions.
View ArticleRE: DRV8841: DRV8841 about design issues
Hi Rick,Sorry. Please check the attachment.(Please visit the site to view this file)
View ArticleRE: DRV8841: DRV8841 about design issues
Hi Mickey, 1. When load is not connected & the customer is enabling the driver A or B, the AOUT/BOUT is a PWM signal with 4uS as turn off time & time period of 20uS. 2. When SOV load is...
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