RE: DRV8880: Indexer Timing Requirements information..
Jothur, The t_WAKE and t_SLEEP values above are the maximum values. Let me ask my team about t_ENABLE and t_DISABLE.
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DRV8880: Indexer Timing Requirements information..
Part Number: DRV8880Dose DRV8880 Indexer Timing Requirements have detail information like DRV8818?Include ( tWAKE, tSLEEP, tENABLE, tDISABLE, tRESETR, tRESET)
View ArticleRE: DRV8320: Feauture Request: Ability to enable/disable Synchronous...
Hi Ilan, Thank you for your comments and suggestions. Comments and suggestions allow us to continually improve our products. We will forward them to our team."On the SPI version, are the register...
View ArticleDRV8320: Feauture Request: Ability to enable/disable Synchronous...
Part Number: DRV8320I really like most of the features on the DRV8320 part #'s but there are a few missing features that make this part less than ideal for personal electric vehicles (specifically...
View ArticleRE: DRV10987: Align is not operating as expected, open loop parameters do not...
Hi Doug,Sorry to hear about problems. Starting with EVM - DRV10983 and DRV10987 EVMs has different layout and one the capacitor between CPN and CPP is different. My recommendation is to order DRV10987...
View ArticleRE: DRV10987: Align is not operating as expected, open loop parameters do not...
Krushal: Since the 10987EVM is not available, I can't get one unless you can arrange to send me one. The CPP/CPN cap appears to have changed to a 0.01uF from a 0.1uF. Dunno how the charge pump would...
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DRV10987: Align is not operating as expected, open loop parameters do not...
Part Number: DRV10987At the recommendation of Krushal and Innocent, I have replaced the 10983 with the 10987 part on my 109893 TI eval board. I have been struggling with optimizing the 10983 with my...
View ArticleRE: DRV8886: What is allowance of external capacitor value of AVDD and DVDD?
Hi Nakai-san, Q1. On pin function table in the device datasheet(SLVSDA4), 0.47uF ceramic capacitor should be placed between DVDD and GND, AVDD and GND. What is allowance of this capacitor? Can 1uF be...
View ArticleDRV8886: What is allowance of external capacitor value of AVDD and DVDD?
Part Number: DRV8886 Hello guys, One of my customers is evaluating DRV8886 for their new products. In the evaluation, they had the following questions. Could you please give me your comments?Q1. On pin...
View ArticleRE: WEBENCH® Tools/DRV3205EVM: DRV3205EVM paraeter can not change
Hi YangFeng,Several months ago, we replaced the FOC code for the DRV3205 EVM with newer trapezoidal based code, so first I wanted to see if we could move you to the new FW/GUI altogether. Since you...
View ArticleRE: DRV8886AT: OFF time too long
Hi Rick-san,I got results of evaluation.I understood the tOFF is not too long using Auto tune ripple control.I got results of evaluation using Auto tune dynamic decay, too.(Please visit the site to...
View ArticleRE: DRV8818: Mixed decay
Hello James-san, Thank you for your reply. I will feedback the customer the DRV8818 can only operate in slow decay mode for full step setting. The customer doesn't require mixed decay for full step...
View ArticleDRV8818: Mixed decay
Part Number: DRV8818Hello,Our customer use the DRV8818, have a question.Is mixed decay active at full step mode?Best Regards,Naoki Aoyama
View ArticleRE: DRV8800: Pizo motor driver
Hi Andy, What is the specific capacitance of the piezo motor? I would also suggest looking at the LM48560 or LM48580. These are both 30Vpp piezo drivers.
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DRV8800: Pizo motor driver
Part Number: DRV8800Dear all,I have some questions for Pizo motor driver; The motor specifications:1, Drive Voltage rang : 10~32Vp-p; Current < 400ma;2,Drive Frequency: 22KHz;3,Square wave duty...
View ArticleRE: DRV10983-Q1: May I connect Vreg to an external 5V power supply
Hi,It is not possible to connect Vreg to external power supply. Any voltage difference between those two output will make them fight.Thanks,Seil
View ArticleDRV10983-Q1: May I connect Vreg to an external 5V power supply
Part Number: DRV10983-Q1I want to use the DRV10893-Q1 in a design which has multiple power rails. Is it possible to connect the Vreg pin to an external 5V supply, instead of connecting the Vreg pin...
View ArticleRE: I need help for selection of complete kit for driving six phase Induction...
LAUNCHXL-F28379D gives out 12 PWM signals and many ADC channels. But you need to develop the gate driver + inverter section of it. We dont have a single kit that is capable of meeting your specs.
View ArticleI need help for selection of complete kit for driving six phase Induction motor
Hello My project is to drive 6 phase induction motor. So it is required to measure 6 currents and dc link voltage so at least 7 ADC are needed. quadrature encoder module is required for speed...
View ArticleRE: DRV10987: Align is not operating as expected, open loop parameters do not...
Hi Doug,Sorry for the trouble, since it new part we don't have everything setup yet online correctly. Please provide your details to local sales support, and we can ship you DRV10987 EVM immediately.As...
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