BOOSTXL-DRV8301: Generation of square signal on motor's output of the board...
Part Number:BOOSTXL-DRV8301Hello,I would like to generate a square signal on motor's output of the board BOOSTXL-DRV8301 (A, B and C) with Simulink.I work with LAUNCHXL-F28027F and BOOSTXL-DRV8301 and...
View ArticleDRV8320: Flying capacitor value
Part Number:DRV8320Hi, TeamThe suggested value for flying capacitor on spec of DRV832x is 47nF. What if customer uses 22nF instead? Will there be potential issue / risk?Thank you.
View ArticleDRV8872: Issue with a motor integrates capacitor and varistor
Part Number:DRV8872DRV8872Q1 met issue in one automotive account.Attached motor structure and parameter. All the test were run on EVM.If set INx prior to VM, the motor can start-up and spin.If set VM...
View ArticleDRV8305-Q1: PWRGD Signal
Part Number:DRV8305-Q1Hi Champs,Do we understand right that the Power Good function of the PWRGD pin can only be active at DRV8305 if the included Vreg is active? That means the DRV8305NE does not...
View Articledrv8837: power up time for DRV8837
Part Number:drv8837How long does power up take from application of power? sleep is tied to Vin.
View ArticleDRV3201-Q1: Table 5. Erro Conditions and Protective Actions
Part Number:DRV3201-Q1Hi team,I have 4 questions below from the datasheet Table 5. Error Conditions and Protective Actions.The purpose of the question is for a failure analysis.1. Does ERR pin...
View ArticleCCS/DRV8836: DDS priciple
Part Number:DRV8836Tool/software: Code Composer StudioHello Mr. admin,I am learning now how to generate a pwm signale with DDS principle.I found in TI WIKI a firmeware for an DRV8836 edited by Kai...
View ArticleUC3637: uc3637 for motor control
Part Number:UC3637We use UC3637 to generate PWM for IGBT control. Follow the spec and designed our schematic. the voltages and input signals are normal. but the output result is not well, the schematic...
View ArticleDRV10983: Rating of resitor between SW and VREG
Part Number:DRV10983Dear Whomever it concerns!How much power will be dissipated in the resistor 39 ohms resistor located between Vreg and SW.Regards Anders
View ArticleBOOSTXL-DRV8301: Motor drawing way more current than expected
Part Number:BOOSTXL-DRV8301Hi, I am currently using a LaunchpadXL TMS320F 28069M with a BOOSTXL-DRV8301 REV B to drive the following motor: FAULHABER MINIMOTOR SA 2444 S 024 B.I've attached the spec...
View ArticleDRV10975: DRV10975 SPEED CONTROL ISSUES
Part Number:DRV10975Dear TI Guys: I use drv10975 for Air-condition Drain pump. Motor parameters as follow:1. rated voltage:12v2. rated current:0.4A ; Peak current:1A3. Max speed;...
View ArticleDRV8871: DRV8871 as solenoid driver
Part Number:DRV8871Hi, Expart.My customers use DRV 8871 as a solenoid driver.In that case, is the output current 3.6A?Or is it 1.8 A?Best regards.Ryuji
View ArticleDRV8834: TRIANGULAR WAVE
Part Number:DRV8834Dear Sir,We are facing settling time issue with our stepper motor ( full step angle 1.8 degree). To resolve this we plan to give triangular wave i.e. acceleration and deceleration ....
View ArticleDRV8812: ESD protection circuit on motor drive pin
Part Number:DRV8812Hi,I have questions about ESD protection circuit on motor drive pin. Could you answer me the following questions, please?Customer situation is below.VM = 12VI full scale = 0.4AUsing...
View ArticleDRV8701: Using low pass filter (RC) between current sense resistor and...
Part Number:DRV8701Hi,May I add low pass filter (RC) between current sense resistor and CSP/CSN pin?
View ArticleCSD88537ND: CSD88537ND Q1 Grade
Part Number:CSD88537NDHi Experts: Is the CSD88537ND Q1 grade , if no, have we got the Q1 grade mosfet.
View ArticleDRV8844: As Bipolar Stepper Motor Driver
Part Number:DRV8844Hi TI Motor Team:I am using DRV8844 as a bipolar stepper driver to do a motor load test by combining the quad half bridges(IN 1-2 & IN 3-4) in two pairs.Unfortunately my test so...
View ArticleBOOST-DRV8711: MSP 430 to DRV8711 device selection
Part Number:BOOST-DRV8711Greetings,I have a BOOST-DRV8711 which comes with a sample project designed on the MSP430G2553. This performs correctly.I need to add additional functionality such as an...
View ArticleUC3625: Constant RPM design needs to slow down
Part Number:UC3625Hi,A current product uses an UC3625 for the motor drive. See attachedThe board is used for constant RPM, so no external inputs have been provided or allowed for. After the gearbox, we...
View ArticleDRV8825: Large audio noise with 3 drivers enabled`
Part Number:DRV8825Hi,I have designed a pcb with 3 DRV8825s to drive 3 different axis. All drivers have the following settings:Voltage: 24vCurrent resistor - 0.1ohmCurrent setting - 1.6A (can not be...
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