RE: USB2ANY Firmware update failure (DRV10983EVM)
Gary, Please follow attachment steps to see if you still have trouble to get USB2ANY firmware to be updated. Please do feedback to us after you try it no matter it works or not.Thank you.Thanks...
View ArticleRE: DRV8307 chip blowing up
Hi Eric, Thanks for the information. Please let us know what the VM voltage with respect to ground at the device pin is. If you have scope captures of the voltage as the device is running, it would be...
View ArticleDRV8307 chip blowing up
I have built a couple hundred board and once in a while I have a chip smoke and not sure what is causing it. and it happens after its been running for a while.it looks to be by the power sense pin. has...
View ArticleClik here to view.
RE: DRV120 ROSC resistor change
Marcel,I've done some further investigation on this issue. Inside the 8-pin device, HOLD is left floating. I took the potentiometers off of the DRV120EVM and used the 14-pin device like the 8-pin...
View ArticleRE: DRV11873 series resistor (between motor phase pin and actual motor...
Fabio, I will exercise an experiment which is to add resistance vs not add resistance, but it may take some time. Would please you share with me how measured error is calculated? Thank you. Thanks...
View ArticleDRV11873 series resistor (between motor phase pin and actual motor winding)...
Team,in order to reduce the inrush current at start-up, it's been added a series resistance between motor phase pin and actual motor winding terminal. Does it have any impact on the control of the...
View ArticleRE: DRV8818 question about external capacitor
Hi Rick-san, Thank you for your reply. //A 16V capacitor is recommended. This will be added to the next datasheet update for the DRV8818 and DRV8811. Thank you for your information. //Can you clarify?...
View ArticleDRV8818 question about external capacitor
Hello,Our customer use the DRV8818.The customer place the capacitor at VGD-GND and have question.a) How much the voltage ratings?In the EVM, the capacitor rated for 50V. b) How much the current through...
View ArticleRE: DRV120 ROSC resistor change
Hello James,Can you tell me what the switching frequency is during the peak current and during the hold current at the 20mH 11 Ohm coil?Can you tell me what the switching frequency is during the hold...
View ArticleRE: DRV8305: VREG above 5V - what does it mean?
I have another board and the VREG voltage there is 4.98V (OK). Concerning the board with the higher voltage -- may be this was some damage, because at the beginning the voltage was normal. I suppose...
View ArticleClik here to view.
DRV8305: VREG above 5V - what does it mean?
Hello,The voltage at VREG pin 48 is about 6.2V. This pin is connected via 680R and C 1uF to GND and tied to WAKE via null resistor. (The microcontroller part of the schematic uses its own 78L05 - 5V...
View ArticleClik here to view.
RE: DRV 8307 GATE Current capacity
I found that in the data sheet of DRV8307, It is written that 'DRV8307 is a three half- bridge pre-driver that drives six N-type MOSFETs 30 mA with a single power supply.' While in this linked...
View ArticleRE: DRV8830 / how to use fault low signal
Hi Sho, Please clarify "my customer would like to detect the rotational position of motor by the fault pin low signal"? What does detect the rotational position mean? (stall, absolute position,...
View ArticleDRV8830 / how to use fault low signal
Hi all.I would like to know about fault function.my customer uses this device in the following, ・The motor load(current) enlarge when motor spins constant amount.・Then the fault pin becomes Low,...
View ArticleRE: DRV 8307 GATE Current capacity
Hi Dinesh,Have you seen this application report, Understanding IDRIVE and TDRIVE in TI Motor Gate Drivers ?This should answer many of your questions.
View ArticleDRV 8307 GATE Current capacity
I found that in the data sheet of DRV8307, It is written that 'DRV8307 is a three half- bridge pre-driver that drives six N-type MOSFETs 30 mA with a single power supply.' While in this linked...
View ArticleRE: USB2ANY Firmware update failure (DRV10983EVM)
Janet,Thanks for replying. But the instructions that you sent me are exactly what I've been trying, and it doesn't work. Perhaps I was not clear enough when I said "I've gone through the...
View ArticleRE: USB2ANY Firmware update failure (DRV10983EVM)
Janet, I was perplexed that I could not get to step 7 today. So I rebooted the computer. After the reboot, the firmware updated successfully. Gary PS, I'm rather dismayed that this software runs only...
View ArticleRE: USB2ANY Firmware update failure (DRV10983EVM)
Gary, Thank you very much for your feedback. Look like Step 6 is hard to get to and need to add "reboot" between Step6 and Step7. Were you able to use DRV10983EVM/GUI with USB2ANY after firmware...
View ArticleUSB2ANY Firmware update failure (DRV10983EVM)
I can't update the firmware on my new USB2ANY, and thus I cannot use my new DRV10983EVM. I've gone through the hold-the-button-down while plugging in the USB cable a dozen times. It doesn't...
View Article