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DRV110: Ripple on Input Voltage
Part Number:DRV110I'm trying to implement a economizer circuit with a DRV110.In the first implementation I wasn't able to keep the relays closed.After some tweaking (first response) I got the relay to...
View ArticleDRV8701: How to get EMK Voltage from a DC Motor
Part Number:DRV8701Ladies and gentlemen,we would like to use the DRV8701P for our serial products. We want to control different DC motors and keep them constant over their entire speed range with...
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DRV10987EVM: Not able to set parameters in EVM GUI
Part Number:DRV10987EVMHello all,i need your help concerning configuring the DRV10987 EVM using the Getting Started Guide.I Installed the EVM GUI and started it in Demo Mode(same happens when EvalBoard...
View ArticleDRV8801-Q1: about PHASE control
Part Number:DRV8801-Q1Hi all,I have questions about the PHASE control of DV8801-Q1 as below;(1) If CW / CCW switching is performed by PHASE signal while ENABLE = "H", Is there a problem with the...
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DRV8320: Direction control in 1x PWM mode
Part Number:DRV8320HiWe use DRV8320H, and assume 1x PWM mode.The direction of rotation can be controlled by INHC (DIR) from MCU.Are there any procedure of changing direction while motor spining?Can we...
View ArticleDRV8308EVM: motor rotates with noise and gets hot after a while
Part Number:DRV8308EVMI am evaluating DRV8308 chip for my motor using DRV8308EVM. it is known that hall sensor is 0 degree aligned (from vendor with integrated motor/hall sensor). I started motor...
View ArticleDRV8801A-Q1: drv8801a-q1: Can i drive an external FET for reverse battery...
Part Number:DRV8801A-Q1Can i drive an external FET for reverse battery protection using the charge pump of the DRV8801A-Q1? There is no information in the datasheet about the charge pump. In the...
View ArticleDRV8305: Recommended VCPH Capacitor Voltage Rating
Part Number:DRV8305I noticed that the recommended VCPH capacitor voltage rating is 16V in the DRV8305 datasheet. However, the charge pump over voltage protection V_VCPH_OVLO maximum is 18V. If the over...
View ArticleDRV110: Problems with Input Voltage at 8pin version
Part Number:DRV110Hello TI DRV110 Support,I have ordered the DRV110 Evaluation Board plus 10 ICs of the 8pin Version of the DRV110. I wanted to test the DRV110 8pin IC, but I can't establish a proper...
View ArticleDRV110: Creating a refresh impulse in order to recreate the peak current
Part Number:DRV110Hello TI-DRV11-Ream,I already posted a question today regarding the Input voltage of the DRV110-8-pin-version. Now I've got another question regarding a refresh Impulse. My aim is to...
View ArticleDRV8711: DRV8711 SPI problems at higher current
Part Number:DRV8711Hi,We've designed the DRV8711 onto our motor drive board. We are facing problems with SPI communication when the driver current is increased. At lower currents (200 mA) reads/writes...
View ArticleDRV8881: large shunt ok?
Part Number:DRV8881My customer is using the DRV8881 to drive (2) small motors. They have the following question:"To protect the motors I’ve limited the current to them by changing the sense resistors...
View ArticleDRV8872-Q1: Persistent output Current(A) 3.6A for DRV8872-Q1 time?
Part Number:DRV8872-Q1Hong long can support persistent output Current(A) 3.6A for DRV8872-Q1? Thanks!
View ArticleDRV8323: Auto offset Calibration
Part Number:DRV8323Hi,The DRV8323/DRV8323R devices can perform an automatic offset calibration through the SPI registers or CAL pin.I want to use the calibration through the SPI register. Which state...
View ArticleDRV8872-Q1: serial resistor to protect inputs
Part Number:DRV8872-Q1Dear team,is there e serial resistor needed to protect the IN_1 and IN_2 of DVR8872-Q1? Is there an ESD Structure in front of the pull down that needs to be protected or can we...
View ArticleDRV8305: DVDD Startup time and output current
Part Number:DRV8305How long does it take for the voltage of the DVDD regulator to rise to its final value? Is it a linear ramp?Is there a limit to how much current DVDD can output to charge its 1uF...
View ArticleDRV10970EVM: Clarification needed on connecting the Hall sensors
Part Number:DRV10970EVMHello,I'm confused about how to connect the Hall sensors to the DRV10970EVM from my 3 phase brushless motor. The motor has 5 wires for the Hall sensors - Vcc, GND, and one to...
View ArticleBOOSTXL-DRV8305EVM: doesn't work at low duty cycles
Part Number:BOOSTXL-DRV8305EVMDear allI am using an BOOSTXL-DRV8305EVM-Evaluation board together with a Particle Photon, 120 MHz-Microcontroller (3.3V).I configured the DRV8305 via SPI to 3-PWM-Mode in...
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DRV8704: How to increase torque
Part Number:DRV8704Hello.I have an issue with DRV8704. I designed my PCB. I made all the connections as per suggested in the DRV8704 technical documentVM = 12.6VFET = IRF3205Motor = Tamiya 540 with...
View ArticleDRV10983: Driver did not start the motor properly after few days working
Part Number:DRV10983Dear TI Support Team,I am developing with DRV10983.I succeeded in driving a motor with my new pcb board. ISD, and IPD are all enabled and Motor speed is controlled by I2C Speed...
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