Motor driver for gas meter
Hi, I am looking for some motor driver part recommendations for a gas meter design. Brushed with FET integrated would be preferred. I would also appreciate any recommendations for a TI design.
View ArticleDRV8885 EMI
Hi,I am planning to use DRV8885 for the POS Printer design, but I would like to understand more on this device on EMI issue. Has TI done any EMI test on this device, especially when operating in the...
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TMS320LF2403 DSP with XilinX chip XC9572
The previous product development guy brought these DSP/CPLD chip which is combination of TMS320LF2403 and Xilinix chip XC9572 4 years ago in thousands and installed these on the boards. Since he...
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The BQ32000 time issue after re-powered up
Hi teamMy customer Moons used BQ32000 in lighting lamp system and they encountered a questions.The schematic is shown below.The system worked well in the field for a while. Sometimes the AC power...
View ArticleDRV10983 EVM Damaged after first power on
I am having an issue with the DRV10983 EVM. On first power up I use the out-of-box quick setup guide to get the motor that was provided with the board running. Everything works fine I can get it...
View ArticleDRV8701 footprint
Does anyone have an Eagle footprint for this part RGE package, 24 pin VQFN with ground pad.Thanks,Dave R.
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TPL7407L is burned
Hi Team,The customer is using TPL7407L. But TPL7407L is burned in his board. Here are the schematic. The EN pin is connected to the Relay5 pin. Look the attachment.Can you tell me why TPL7407L is...
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DRV8308 drive the high speed BLDC
Hi,I use the DRV8308 EVM to drive the blower, this motor is 2 poles, and the maximum speed is 50000 RPM. I use the PWM duty cycle control mode(drv8308 EVM GUI) to try this motor. This motor generate a...
View ArticleDRV8821 voltage rise time
Hi Champs,I need to clarify for a customer if there is a specified supply voltage rise-time for the DRV8821.They have problems on the field and found the DRV8821 in a lock up state. After they...
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DRV8301-69M-Kit, issues with high duty cycles (PWM)
Dear e2e-community,I am using the DRV8301-69M-Kit with Motorware version V1.01.00.16. I developed an application based on project lab04. In this application I want to assign three pwm duty cycles...
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DRV8301, working well at first, then go to fault: GVDD_UV
HelloI made a board as DRV8301 kit.My DRV8301 board can output PWM signals when the chip of DRV8301 is paded, but then begin to fault, the status register said : GVDD_UV.I change the DRV8301 with a new...
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DRV8301, working well at first, then go to fault: GVDD_UV
HelloI made a board as DRV8301 kit.My DRV8301 board can output PWM signals when the chip of DRV8301 is paded, but then begin to fault, the status register said : GVDD_UV.I change the DRV8301 with a new...
View ArticleDRV8301 Kit with F28069 MCU: Can kit do AC to DC?
GreetingsI am using a DRV8301 Kit with a F28069 MCU. I want to use it for an electric vehicle implementation. The implementation requires an electric vehicle battery to be charged (48V DC battery...
View ArticleDRV8711 RDIR
Hello,We are designing a stepper motor driver using the controller DRV8711. The circuit is very similar to the evaluation board DRV8711EVM. Today, we discovered that the connected motor stalls at a...
View ArticleDRV8844 "backward powered" problem
Hello. I need help about a strange problem I'm facing with the DRV8844.In some applications is possible that the controlled DC motor gets mechanically turned, while power is not supplied to the control...
View ArticleDRV8305 VDS Sense Control (0xC) RSVD Bits
HelloOur customer write VDS Sense Control (Address 0xC) with "0x0088" since 16bits of data write required, including RSVD Bits,then, Read same address to confirm. However, Read data was "0x0288", RSVD...
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TI Alternative to STMicro L6235
Hello Team,Please advise our closest alternative Driver to the STMicro L6235 3-Phase BLDC Driver with integrated FETs.Customer's power supply is 36V (nominal) and 44V (Max). They need the same current...
View ArticleDRV8840 Thermal and OCP questions
The Thermal Shutdown spec is 160degC (150 to 180) on the DRV8840.In the descriptions of the data sheet "Once the die temperature has fallen to a safe level..."Is there a spec on this temperature...
View ArticleProduct selection: BLDC motor driver with and without Hall sensors
I have a prototype of a small BLDC motor, and I'm looking for a driver evaluation kit to get it up and running. The current will be less than 3A, the torque very low, probably less than 0.1 N m. I'm...
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drv8308 lock abnormal
I did an experiment with the DRV8308 EVM and I used the clock frequency mode. The clock frequency is set as 100Hz and the commutation is 180degree sine.But the LOCKn signal becomes active(low shown as...
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