DRV8301: Dead-time behavior
Part Number:DRV8301Hi,I'd like to know in which state are the mosfet gate drive outputs on the DRV8301 during dead-time.On the oscillograms I've recorded, it seems to be an open drain output, please...
View ArticleDRV10975EVM: BEMF Abnormal reported - closed loop, open loop
Part Number:DRV10975EVMGreetings. I am evaluating the DRV10975 as a replacement for the DRV11873 due to the false rotor lock issue associated with the DRV11873. I've worked through the tuning guide,...
View ArticleDRV8308: How to write OTP by spi
Part Number:DRV8308Dear Ti engineer,Now, i read register 0x2a,the value is 0x18,but i do not know how to write all registers to OTP.now i am trying as...
View ArticleDRV10983: Shift to max speed as soon as possible
Part Number:DRV10983HiIs it possible to shift to max speed without open loop?We want to apply analog input voltage before powering up in advance and make the motor spin in max speed at powering up.Is...
View ArticleDRV8308EVM: Can 10 evaluation modules be operated using one computer?
Part Number:DRV8308EVMHi,I am planning to run 10 evaluation modules.Do we have to connect the evaluation module to computer to drive the motors? If yes, Can we connect 10 evaluation modules to one...
View ArticleDRV8841: Driver Output is Jittering
Part Number:DRV8841Hi,I have noticed that the DRV8841 outputs have a phase jitter in the range of about 400ns and I believe it might be causing micro-stepping problems. I'm driving a 3 phase stepping...
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DRV8305: Inconsistent Dead-Time
Part Number:DRV8305I'm struggling to understand what is going with the dead time in my circuit. I understand that the DRV8305 tdrive system automatically ensures that a switch is turned off prior to...
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DRV8323R: DRV8323R Gate drive voltage level issue
Part Number:DRV8323RFor special applications, it is often necessary to stop the motor in a fixed position. When the motor is stationary at the same position as the two-phase PWM, it is normal to find...
View ArticleDRV8835: coil kickback voltage spike protection
Part Number:DRV8835Hi,Does the DRV8835 H-driver have internal protection from voltage spikes caused by motor coil kickback?Thanks,David
View ArticleDRV8837: VM and Vcc gets internal short
Part Number:DRV8837Hi,We are using this DRV8837 device to control the DC motor, we have assembled 5 board initially all worked well, but while dong the functional testing 3 device failed, we see the Vm...
View ArticleDRV8860EVM: Source code for slvc530a application
Part Number:DRV8860EVMWhere can I download the source code for this application? I'd like to copy/paste sections of it into our product application (an embedded system) so I don't have to re-invent...
View ArticleDRV8871: Continuous Current Rating
Part Number:DRV8871Hi,What is the continuous current provided by the DRV8871 motor driver? I understand that it's peak current is 3.6 A (I assume this is only for a few milliseconds) but I'm confused...
View ArticleDRV101: Solenoid driver advice needed
Part Number:DRV101Hi,I am in great need of some help and advice with a solenoid project I am working on. I am using some 6V 300mA solenoids (Ref No: JF-0530B) to operate the keys on a saxophone that...
View Articlehigh precision current measurement range from 10 mA to 10A
Hello everyone, i need you help!i want to get the precision of at lest 10 mA absolute error when the current varying from 0 A to 10 A, Specially at 0 A. But most of the current sensor solutions have...
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DRV8323R: VGLS voltage swing
Part Number:DRV8323RHello,My initial issue was, that my motor makes some noise at a static duty cylce and 40kHz. I'm using a DRV8323RS three phase gate driver and wondering about the gate voltage at...
View ArticleDRV8320: Fault Action and Response of the OCP Setting by Hardware Version
Part Number:DRV8320My customer is interested in the DRV8320H with hardward interface. But we don't see the setting on the Datasheet's Table 7. it looks they are for the SPI interface,not H/W interface...
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DRV8803: Motor Coil Open Protection (Disconnection)
Part Number:DRV8803Dear TI,Disconnection issue occurred while reviewing Motor Driver.We are currently testing with Zener + UFD as follows.1. Disconnection issue Waveform2. Zener + UFD be used=> Can...
View ArticleUC2625: UC2625
Part Number:UC2625Hello,I am using the UC2625 and I cannot seem to pinpoint which block will the turn-off and turn-on threshold directly affect, and does PWR VCC and VCC have to be supplied with the...
View ArticleDRV8312: Bootstrap diode of Phase B malfunctioned
Part Number:DRV8312I had developed several actuator systems with DRV8312 successfully, But newly developed controller suddenly stopped during operation without high current of dc-link or fault signals...
View ArticleDRV8320: TDRIVE
Part Number:DRV8320HiI referred following sentence from datasheet on P.36."Additional details on the TDRIVE settings are described in the Register Maps section for SPI devices and in the Pin Diagrams...
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