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DRV2700: DC Output
Part Number:DRV2700Hi Expert,I want to drive a Piezo Positioning Actuators, can you help to check the below circuit for input and output (Output = DC 100V)? Thanks!
View ArticleHow to know the motor current?
Dear Yanming LuoAs you know we have "gMotorVars.VdcBus_kV " to get the DC bus voltage ,so Do we have any variable for total Current to see the motor current ?thanks for attentionDave.
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DRV8308: EVM - unable to adjust the frequency
Part Number:DRV8308hi expert, kindly help on below. Thanks.For reference, I am using the “DRV8308 EVM 0.1.0” application on Windows 10 (x64), and the “SLVUA41F–February 2014–Revised September 2018”...
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H Bridge Driver Design
Hi Support, I am designing a H bridge driver for a dual channel LEDs but am stuck with a dead band design to prevent short circuit at the MOSFET side when the PWM changes its states.The problem with...
View ArticleLooking for Electroluminescent (EL) lamp driver - IMP803
Hi, TeamMy customer is looking for Electroluminescent (EL) lamp driver - which is similar to IMP803. could you kindly help to check whether TI has suitable device? Thank...
View ArticleDRV8305-Q1: Open Load Detection
Part Number:DRV8305-Q1Dear, Sir.My customer is considering to realize the open load(3P BLDC) detection. Firstly, I would like to make sure High-sdie & Low-side gate driver could becontnued the...
View ArticleDRV8840: DRV8842 noise
Part Number:DRV8840Hello I have almost the same problem with the theme https://e2e.ti.com/support/motor-drivers/f/38/p/654636/2416686?tisearch=e2e-sitesearch&keymatch=DRV8840%20noise#2416686
View ArticleDRV8805: use it in parallel
Part Number:DRV8805Hi,my customer need 24V, 3A unipolar stepper motor driver.Since DRV8805 can only support 2A with single channel on. And 1A per channel when four channel on.So I think I can use 2...
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DRV8876: Footprint SPEC
Part Number:DRV8876Hi Sir Please kindly help to provide DRV8876 footprint SPECBelow is the example
View ArticleDRV8881: DRV8881PRHRT odd behavior
Part Number:DRV8881Dear Team,Could you please help with the following customer question ?I've encountered a strange behavior of the servo driver (DRV8881PRHRT):For some reason its 2nd channel refuses...
View ArticleBOOSTXL-DRV8323RH: Using FET
Part Number:BOOSTXL-DRV8323RHHi,Could you let me know which FET is used in EVM, please?In page 4 of BOOSTXL-DRV8323Rx EVM User’s Guide, it is "CSD88584Q5DC".www.tij.co.jp/.../slvub01c.pdfIn BOM or Sch...
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DRV8846: Limitation Pulse duration STEP high and Pulse duration STEP low
Part Number:DRV8846Hi allWould you mind if we ask DRV8846?There are limitations Pulse duration STEP high and Pulse duration STEP low.The motor operates with STEP rising signal.Why does limitation for...
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DRV8303: Over-current mode didn't get corrent current
Part Number:DRV8303Hi,I am using DRV8303 to drive 48V/60A BLDC trapezoidal motor. My FETs Rdson = 4 mohm. When the current runs up to 15Amp, The OC mode start to work. But the over current should be...
View ArticleDRV8312: Detection of missing BOOT_Cap
Part Number:DRV8312Motor Gurus - one of my customers is wanting to know if there is a way to detect if one of their Boot-Caps is missing on their design (any one of the caps connected from the SW...
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DRV8813: input voltage influence the thermal performance
Part Number:DRV8813Hi team,My customer uses the DRV8812/DRV8813 now with 12v before, when they increase the input voltage to 40v, the case temperature becomes very high (89 & 98)as below. The...
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DRV8824: DRV8824 layout check
Part Number:DRV8824Dear TI: Please help to check DRV8824 layout of PIN Bout1 and Bout2. Bout1 and Bout2 are not at the same layer, and they intersect at different layers. Will the layout affect the...
View ArticleDRV8308EVM: DRV8308EVM GUI close loop speed control doesn't work
Part Number:DRV8308EVMI bought the DRV8308EVM KIT last week. Seems there is an issue. GUI close loop speed control doesn't work.That is exactly the same issue as Peter, here is the details: PWM mode...
View ArticleDRV8305: DRV8305 Current Sense Selection
Part Number:DRV8305Hi everyone,We're designing a system with DRV8305 gate driver. In datasheet, example has 5 mOhm current sense resistor. My question is how can I change the this value ? What is the...
View ArticleDRV8823: DRV8823 OCP question
Part Number:DRV8823Hi TeamCould you help check this qusetion ?1. The DRV8823 sets its constant current upper limit value by ISEN resistor. When the ISEN resistor is open or short-circuited at both...
View ArticleDRV8803: Wake up time from RESET
Part Number:DRV8803Hi,Could you let me know wake up time from RESET, please?I show the detail of this question in attached file.I would like to know the period time from "RESET to Low"" to "OUT is...
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