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DRV8800 / Short nFAULT output at the edge of nSLEEP
Hi All,Now my customer has evaluated DRV8800 on their evaluation board and then they found the short nFUALT output at the edge of nSLEEP as attached. I'd like to know if this behavior is known...
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Running a BL-DC motor using DRV10963
I tried to run a BL-DC motor from MAXON P/N: 455020 using DRV10963, I applied a 4kHz PWM signal to the PWM input, I am using 3.3V as Vcc. When the power is applied the motor runs for about 1.5sec and...
View ArticleRecommended FET for DRV88021A-Q1Steady current flowing through the FET is...
Hi,I want to know part number, if there is a recommendation of the FET.The following condition, Power Voltage is 12V, trerant voltage maximum is 34V.The continuous current flowing through the FET is...
View Articleabout DRV8824-Q1's FAULT function and UVLO function
Dear all,I would like to know the function of FAULT and UVLO.1. Please teach me the motion of motor when the FAULT is active.I think that the motor rotates to the original position under FAULT...
View ArticleThe delay and the blanking time for DRV8832
I would like to confirm the delay and the blanking time for DRV8832.1. How much is the delay time from input to output (propagation delay)? 2. I think DRV8832 has the blanking time for avoiding the...
View ArticleHow to do the tuning with DRV10983 based on the new designed motor and PCB
Hi,There is a project which design for driving a blower using DRV10983 and a MCU. The designed(PCB,software,motor) is finished and verified.But now the motor is re-designed for optimization(the other...
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DRV880X Max PWM frequency
Hi all,I'm planning to use the Brushed DC Driver DRV8800 or DRV8801 with a PWM frequency ranging from 32kHz to 64kHz. I could only find this on the datasheet:I understand that 50kHz is only the test...
View ArticleDRV8711EVM "Channel B Pre-Driver Fault"
Hi,My customer is evaluating the DRV8711EVM.Once in a while, the DRV8711 will go into a fault condition and the status register will show: "Channel B Pre-Driver Fault"This seems to happen more frequent...
View ArticleDRV8846EVM
HiI am currently having an issue with the bundled software that is available for the evaluation module. I have installed the gui composer runtime V6.0, however when trying to launch DRV8846_GUIv1.0...
View ArticleWhat limits the maximum RPM possible for the DRV11873?
I'm using the DRV11873 to drive a motor with 12 pole pairs and with 100% PWM modulation the maximum RPM I can get is 1200 RPM. I need at least 1400. The FG is 241 Hz which would be 241x60/12 = 1205...
View ArticleMSP430G2 launchpad (rev1.5) and Boost-drv8711 with Energia
Hi,Just got my MSP430G2 launchpad (MSP430G2553 mcu) and stepper driver boostpack BOOST-DRV8711 and started testing them. I got the tutorial program working according to the user guide (The one done...
View ArticleDRV8301 status register 0 always reads 0xFFFF
In our design, we have a DRV8301 on the SPI bus (MSP430F5638 UCSI A1). Had it working fine when we were breadboarding an MSP430 proto board to the DRV8301 Boosterpack board.My hardware guy is out for...
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DRV8838 Vm pin characteristics
Good day,Included here for convenience is my schematic and the functional block diagram from the DRV883x data sheet. Battery voltage (V_BAT) is 7.2v. I am driving a solenoid R-L-C circuit. The...
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DRV8301 External Current Sense Amplifiers: Why a 1.65V reference voltage?
Hi,I'm using an F28069 controller card attached to a TI Docking Station USB EMU (R3) and a custom motor controller based off of the DRV8301 EVM board made by D3 Engineering.Anyways, I'm trying to use...
View ArticleDRV8301 Absolute maximum rating of EN_BUCK.
HiMy customer is using DRV8301. He has a questions. Is Absolute maximum rating of EN_BUCK Min -0.3V~Max7V? I saw VLOGIC in datasheet.ThanksShimizu
View ArticleDRV8846EVM
Hello All,Thanks to support so far from this forum on getting my evaluation board up and running with the EVM GUI. However I need to be able to incorporate a method of controlling the development...
View Articlecan drv10983 registers tuned with launch pad and msp430 controller using i2c
Hi,i have made my own board of drv10983 EVM as per the typical application in the datasheet .i have MSP-EXP430G2 launch pad and using msp430g2553 .and i also installed drv19083 GUI software but i don't...
View ArticleBoost-DRV8711 Eval Kit Issue
I have a launchpad with a MSP430G2553 and I have attached the Boost-DRV8711 Eval kit to it. I believe I got the MSP430G2553 flashed correctly and I have the GUI for the Boost-DRV8711 Eval kit up and...
View ArticleHall sensor inputs for DRV8308
I have a hub motor which has 3 Hall Sensors. It has 5 terminals for Hall Sensor interface : VCC, GND and 3 sensor outputs.So my question was, how do I interface this with DRV8308 as it requires + and -...
View ArticleDRV8432 Current Limit in (Dual) Full Parallel Mode
My customer is having an issue with the TI DRV8432 current limit. He is operating the device in parallel bridge mode and has the current limit resistor set at 100K, 2.8A nominal current limit for each...
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