RE: DRV8303EVM: Issue with Speed Ref. POT interfacing
Hi Rick, Thanks for the suggestion. I will make a cut as suggested to save my board. Need help with interfacing of other POT (Pin 1 on J6 connector - ADC B6 pin of 28035 DSP) outside PCB. What are the...
View ArticleDRV8303EVM: Issue with Speed Ref. POT interfacing
Part Number: DRV8303EVMHi TI Engineer, We are evaluating the DRV8303 EVM for BLDC drive and i found that the connection of the Speed Control POT (R62 as per BOM in slvc598 folder) are such that it...
View ArticleRE: DRV8711: DRV8711 USB/SPI
Hi Iuri,The DRV8711 is the only stepper motor controller that has external FETs.You cannot add an H-Bridge to the DRV8825 (or any stepper driver with integrated FETs).What voltage and current do you need?
View ArticleRE: DRV8307: Need consulting help
Hi Steve, Please see the link: www.ti.com/.../searchcatalog.tsp
View ArticleDRV8307: Need consulting help
Part Number: DRV8307Can you recommend an outside consultant who would be available to help on a DRV8307 design?
View ArticleRE: DRV3220-Q1: DRV3220 Boost Converter diagnostic description(OC, OV, UV)
Hello Anthony,The shutting down of the internal low-side Boost FET at the current limit set by Rboost_shunt is part of normal operation. As described in the boost section, the boost converter works on...
View ArticleRE: DRV8711: DRV8711 USB/SPI
Hi RickI need 3.5A 50V 180W rms or moreIn my equipment I currently use 4.0A motorsBut powered with 60V 3.5A to reduce EMII thought of something like 2 L6203 or similarTanks
View ArticleRE: DRV10975EVM cannot update
Would please you share HW connections (Power supply to EVM to USB2ANY to PC ?)?Thank you,Janet
View ArticleRE: DRV10983: Lock 2 on startup
HI Richard, Can you please share phase current waveform at low speed. Can you please let us know at what speed is this occurring - in terms of electrical hz and % of max speed? Regards, Krushal
View ArticleRE: DRV3220-Q1: DRV3220 Boost Converter diagnostic description(OC, OV, UV)
Hello Michael,See my response as below. VS operating voltage : Normal operating voltage is 8 to 16VPWM frequency : 20kHzQ_gate of FETs or a part number for the FETs : 100nCExternal load on BOOST (if...
View ArticleDRV3220-Q1: DRV3220 Boost Converter diagnostic description(OC, OV, UV)
Part Number: DRV3220-Q1Hi Safety Motor driver team,I have some question regarding Boost converter diagnostic feature on DRV3220. Pls check and get back to your answer.How can check Boost converter OC...
View ArticleRE: DRV8825: motor driver not work after 2nd time power up...
Hi Sir, Thanks for reply! After checked with customer, if they used adaptor input(12V/3A), the driver did not have output and motor cannot work even first time power on. While using power supply input,...
View ArticleDRV8844: Absolute Maximum Ratings of OUT1,OUT2,OUT3,OUT4
Part Number: DRV8844Hi,My customer is using DRV8844. Could you let me know the Absolute Maximum Ratings of OUT1,OUT2,OUT3,OUT4, please?Best regards,Shimizu
View ArticleRE: DRV8802-Q1: UVLO Hysteresis?
Hi Pengyu,Sorry for the delay. The typical hysteresis should be around 300mV.
View ArticleDRV8802-Q1: UVLO Hysteresis?
Part Number: DRV8802-Q1Hi team,VM UVLO rising is 7.8V,typ & 8.2V,max, but what about falling?? Is there a VM UVLO hysteresis or de-glitch in DRV8802-Q1? Thanks.
View ArticleRE: DRV3220-Q1: input capacitance of IHx/ILx pin on DRV3220
Hi Anthony,Our experts have been notified and should reply soon.
View ArticleDRV3220-Q1: input capacitance of IHx/ILx pin on DRV3220
Part Number: DRV3220-Q1Hi Safety Motor driver team,Do you have information that input capacitance of IHx/ILx pin on DRV3220?ThanksBRAnthony Kim
View ArticleRE: DRV8825: motor driver not work after 2nd time power up...
Hi Peter,What is the VREF voltage?What is the DECAY setting?Is the fault pin asserting when attempting to run? If so, please see section 8.3.7 for possible causes.What are the motor specifications...
View ArticleRE: DRV8711: Overcurrent shutdown while running: current regulation doesn't...
Hi Christoph, Thank you for providing such detailed information. Are you using the motor in series mode? The graph appears to show that the motor may stop running around 1400 rpm in series mode. If you...
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