DRV8305: nFAULT at startup of DRV8305
Part Number: DRV8305Dear, AllCustomers are evaluating using DRV8305.A phenomenon occurred in which pulses of the nFAULT signal continued to be output while EN_GATE was turned on after the supply...
View ArticleRE: DRV8842: Microstepping for stepper motor
I'll look into it . Thank you for your suggestions Rick.
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DRV8824: DRV8824
Part Number: DRV8824We are using DRV8824 IC to drive steeper motor. IC got damaged after 3 days of working. Can anybody please tell, what can be the resin to damage IC after Endurance test. Phase B is...
View ArticleRE: DRV8824: DRV8824
Hi Gaurav, The circuit diagram did not appear. Would you please re-attach it? Also, please provide the following information: VM supply voltage and variation Motor specifications R/L/I/V Decay mode...
View ArticleRE: DRV8711: need help for Decay Mode Setting Optimization
Hi user4946283, Assuming you want 5.5A in your motor, please try the following settings to start and provide current waveforms: CTRL Register 0x0da1 --10x gain, external stall detection, 1/32 step,...
View ArticleRE: DRV8305: nFAULT at startup of DRV8305
Hi Masami -san, What is the PVDD voltage when EN_Gate switches from low to high. Could you please confirm power up sequence? A diagram would be very helpful. Thank you.
View ArticleRE: DRV8702-Q1: What is the suggested connection for SP SN SO when CSA is not...
Hi Alvin, Please connect SP and SN to ground and leave SO as no connect NC. Thank you
View ArticleRE: DRV3205-Q1: EEPROM CRC diagnostics
Hi Shimizu-san,The description in the register map is accurate. One is for diagnostic of EEPROM CRC only checks CRC with CRCCALC (EE_CRC_CHK) and one is for actual check of EEPROM CRC...
View ArticleRE: DRV8701: VCP to drive NMOS on VM bus
Hi Alvin, This can be done, but the additional current needed to maintain the NMOS should be accounted for in the VCP load.
View ArticleRE: DRV8701: DRV8701: use in 1/2 bridge mode for 2 motors?
Hi Felipe, Can you clarify a few items? 1) Since I want to keep OC detection (through the shunt resistor tied to SP and SN pins) -- Do you mean OC using the VDS monitor defined in section 7.3.13.3 or...
View ArticleRE: DRV8307: I have designed drv8307 motor driver as same as 8307EVM i...
Hello Adarsh, Could you please upload the images again. It looks like they weren't attached. Thanks
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RE: DRV8701: DRV8701: use in 1/2 bridge mode for 2 motors?
Hi Rick, Good afternoon, thanks for your reply. Here is my answers:1) You're right, I got confused, I meant chopping (current regulation) through the shunt resistor. Only one motor will be used...
View ArticleRE: CCS/DRV8305-Q1EVM: Can not find all the lab projects in the motorware...
Hi Suraj, Our experts have been contacted and should reply soon.
View ArticleRE: DRV8701: DRV8701: use in 1/2 bridge mode for 2 motors?
Hi Felipe, We are investigating the reason for this. While we are doing so, can you provide the part number for the LED?
View ArticleDRV8701: DRV8701: use in 1/2 bridge mode for 2 motors?
Part Number: DRV8701Hi TI team!!! I saw this question in the support forum before but the main difference is that I don't want to use both motors at the same time. I'm using DRV8701P motor...
View ArticleRE: DRV8818: SOA of the output FET
Hello Rick-san,Could you tell me one more thing?I have a question about analog limit circuit on the application note 'slva505'.Figure 2 shows a oscilloscope capture of a short circuit event.A current...
View ArticleDRV8818: SOA of the output FET
Part Number: DRV8818Hello,Our customer use the DRV8818.The customer connect a capacitor between xOUTx and GND to reduce EMI noise.The value of a capacitor is 6800pF or more.I suggested the customer...
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RE: DRV8305: nFAULT at startup of DRV8305
Hi, Luis-san,Thanks for your support.I drew a diagram of the power up sequence.Please look at it.Thanks, Masami M.
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DRV8839: MOTOR VIBRATION WHEN OPERATE 100% DUTY CYCLE
Part Number: DRV8839Hello Sir,Good Morning,Task : PWM based Motor Drive using Motor Driver ICAs above mention project we working, we are facing issue of MOTOR Vibration while motor operate at 100% duty...
View ArticleRE: DRV10983: Resolution
Hi Innocent Thank you for your reply. In such a case, how to get resolution by my self? Would you please tell me your way of thinking, if possible? BestRegards
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