DRV10983 I2C Interfacing with MSP430 Launchpad
We would like to program DRV10983 in a post soldering process through I2C interface. In this regard, we will use MSP430G2 Launchpad. As in this case, both the Launchad and DR10983 would be separately...
View ArticleQuestion for TI Reference Design : AC 230V Current Controlled Solenoid Drvier...
Hello,I have a question for TIDA-00284 Reference Design with DRV110.As my understanding, the resistor connected to HOLD pin of DRV110 used to set I HOLD current, and the equation is 150mV/R SENSE for...
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DRV592 FAULT0 ACTIVE
HI,please find below the feedback from my customer HD.I have another question about the DRV592 device. The DRV592 is now implemented in a printed circuit assembly and is operated within the nominal...
View ArticleHS+LS FET on-resistance of DRV8835
HS+LS FET on-resistance of DRV8835My customer is considering to use DRV8835.They have a question.1) Do decrese HS+LS FET on-resistance of DRV8835 when they increase only VM? For example;...
View ArticleTPL7407L - Absoulte Maximum Rating of Continuous drain current per channel(Ids)
Hi allWould you mind if we ask TPL7407?We are sorry to keep pestering you.<Question>About Absoulte Maximum Rating of Continuous drain current per channel(Ids), does it means that it allows to...
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DRV8302 produces fault and gets hot
Hi everyone,I am using the drv8302 mosfet driver with CSD18535KCS Mosfets. The circiut works really well for serveral days. But now for the second time the drv8302switches to fault when I enable the...
View ArticleTPL7407L - CMOS construction and unuse pin
Hi teamWould you mind if we ask TPL7407? We are very sorry to keep pestering you again.<Question1>On the datasheet P7, there is functional block diagram. (Please visit the site to view this...
View ArticleDRV10983 startup problem
Dear Sir,I have one BLDC motor (Maxon EC motor 30W 404080).This motor run few seconds and then stop when spin in open loop.I have two questions.1. Why motor stop during startup?2. Does DRV10983 support...
View ArticleDRV8301 zero current output voltage
The data sheet for the DRV8301 states that the vo_bias with zero input current is 0.5 X Vref +/-0.5%. In our application Vref = 4.952 volts (pin 24). With zero current SO1 (pin 25) reads 2.573 volts (+...
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Selection of Motor fro Car Automation
Hello, My UG/PG/Ph.D Students are doing a project on Car automation. They want to drive the car by motors only, without IC engine, similar to Reva cars. What sort of car? is it DC motors/stepper...
View ArticleTPL7407L - the difference between Maximum Output Current Figure.4 and Maximum...
Hi allWould you mind if we ask TPL7407L.We apologize that we keep pestering you again,,,Could you let us know the difference between Maximum Output Current Figure.4 and Maximum Collector Current on...
View ArticleDRV8881 QFN Land Pattern
Hello,Where i can find land pattern for RHR (R-PWQFN-N28) package?Best RegardsMassimiliano Minnella
View ArticleDRV120 ROSC resistor change
On DRV120 when I only change the resistor on OSC pin the PWM frequency changes as expected but also the TKeep changes what is not to be expected. We made a little pcb board with DRV120 using ceramic...
View ArticleDRV10970 Datasheet
It appears there is a missing Table 2 on page 17 of the DRV10970 Datasheet. There is a label for Table 2 Trapezoidal Commutation With 0° Hall Placement but no table follows. Is that table available?
View ArticleDoes PWM affect max torque of motor?
I have referred a few posts saying, "Lowering PWM duty cycle cannot lift my robotic arm" and even faced such situations myself. I understand that : RPM varies with voltage and Torque varies with...
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DRV120 Sense Resistor Value
hi James,Am I able to know what is the internal resistor sense value inside the DRV120?Rgds,kpk
View ArticleNeed help in finding a motor driver for performing current and torque control...
Hi Everyone,I am looking for a motor driver IC to control a 1A 24 V BLDC motor (control input - Analog/PWM). I have a question;Does TI have any motor driver IC which provides Sinusoidal &...
View ArticleLooking for Micro-controller/driver for a 1 A, 5 V, BLDC
Hi,I am looking for an micro-controller (possibly with embedded driver circuitry) for current/torque control of a brush-less DC motor. This controller should be able to utilize SPI or I2C interface,...
View ArticleDRV 8825 EVM USB Opcode for DIR
I wish to control the EVM board on a Linux system.First, is there any example code to control the board over Linux?If not, AppDeff.h in the firmware gives the opcodes, which I believe I send to the USB...
View ArticleDRV8303 control register1 resets automatically after configuring it...
We are trying to configure the Control register 1 of DRV8303 with the hex value 0x128A. We are operating on Current limit mode.We have observed that for once it configures the CR1 correctly and we have...
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