DRV8880: Small current limit setting
Part Number:DRV8880Hi,Customer thinks to use DRV8880.Condition is full step and 20mA full scale current.Is it possible?DRV8880 operates the current setting value 71% with full step.For the reason, I...
View ArticleDRV8312: Maximum allowed current for DRV8312
Part Number:DRV8312Hi TI teamWe are using the DRV8312 and are a bit confused about the maximum allowed peak current as the datasheet is together with the DRV8332. Can I set the OC_ADJUST resistor to...
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DRV8412: Current sense resistor for full bridge
Part Number:DRV8412Hi I'm using the DRV8412 to drive two DC motors in full bridge mode.Since the current is alternating on half bridge A and B, I would find a solution with one sensing resistor for...
View ArticleDRV8801A-Q1: nFault and overcurrent protection with Rsense
Part Number:DRV8801A-Q1Hi, I don't understand really well the overcurrent mechanism on the DRV8801-Q. It is said that the nFault signal is pulled low when a short is detected. But how this short is...
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DRV10983: Start up time of DRV10983
Part Number:DRV10983Hi Supporting team: I found there is a fixed 330mS time slot between the wake up mode (Vreg on) to the align mode , please check the plot below , channel 1:...
View ArticleDRV8313: DRV8313 Trapezoidal commutation, single shunt current measurement,...
Part Number:DRV8313We are running a brushless motor application using the DRV8313 with trapezoidal commutation and PWM. For current measurement, we are using a single shunt (one shunt for all three...
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DRV10983: Strange behavior on custom system
Part Number:DRV10983Hi folks,We're trying this IC for the first time on a custom PCB. Schematic and layout are pretty identical to the ones shown in the datasheet, however our setup seems not to work...
View ArticleDRV8307: Problem with LOCKn signal.
Part Number:DRV8307Hello,I have a problem with the DRV8307 driver that I used in my application.The problem is that when I start the engine, until the LOCKN signal occurs, everything is ok. At the...
View ArticleDRV8801: DRV8801 get's damaged when temporary short the power voltage port
Part Number:DRV8801Hi All,Weird thing is happens with DRV8801: for the typical application note, if the power supply has short circuit protection and local bulk capacitor gets temporary shorted (see pg...
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DRV8837: Schematic Review
Part Number:DRV8837Dear Team,Please help to review the below schematic.Do IN1/IN2 need the external pull down resistor?
View ArticleBOOSTXL-DRV8301: Using InstaSPIN for the First Time out of ROM...
Part Number:BOOSTXL-DRV8301Trying to execute lab 2a, I am at page 56, setting the two variables mentioned to '1'. gMotorVars.Flag_Run_Identity is able to be set properly, but each time I enter '1'...
View ArticleDRV8703-Q1: About resetting the configuration registers when coming out of...
Part Number:DRV8703-Q1Dear Support team,Our customer will use DRV8703-Q1 in their application. Please answer the questions from them.In "7.4 Device Functional Modes" on page 38 of the data sheet, it is...
View ArticleDRV8813: Decay mode at 0% Current Regulation
Part Number:DRV8813Hi,I need a clarification about the behavior of the driver when the bridge current is set to 0% by putting xI0=1 and xI1=1 and xENBL=1.The datasheet says that the bridge is disabled:...
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DRV8702-Q1: DRV8702-Q1 fault type
Part Number:DRV8702-Q1I met a question about drv8702-q1. when the temperature<0 degree C (especially happen when T=-40 degree C)and VM=16V (only happen at this condition), something we don’t know...
View ArticleDRV8818EVM: BOUT polarity
Part Number:DRV8818EVMHello Team,I am working with a customer who believes there is a datasheet error in the functional diagram on page 9 with respect to BOUT1 and BOUT2. On the data sheet, DRV8818 (...
View ArticleBOOSTXL-DRV8323RH: Using PWM to control motor torque?
Part Number:BOOSTXL-DRV8323RHHi,I am working with the boost motor driver attached to a 3-phase brushless motor that I want to use to produce a certain amount of torque. My understanding is that this is...
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BOOSTXL-DRV8301: DRV8301-no answer on SDO
Part Number:BOOSTXL-DRV8301Hello,I want to change amplifiers gains in DRV8301 from 10 to 40 times. I use BOOSTXL-DRV8301 board and infineon uC XMC4500. DRV seems to ignore the protocol , and always...
View ArticleDRV8860: Multiple DRV8860 drivers on a single serial interface?
Part Number:DRV8860So the datasheet for DRV8860 states "DRV8860 devices can be daisy-chained together to use a single serial interface". They say "CAN", do they also mean "MUST"? Do they support a...
View ArticleDRV8870: DRV8870
Part Number:DRV8870Hi, I have a linear actuator which draw max current at 1.5A. I have Vref connected to 3.3V, and my ISEN connects to gnd. Will DRV8870 output max 3.6A? Does DRV8870 require a...
View ArticleDRV8846: DRV8846 Motor driving sound
Part Number:DRV8846Hi,My customer have problem about motor driving sound w/ stepping motor.They evaluate DRV8846 by using EVM, however, motor driving sound does not reduce.(Previously, they are using...
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