Schematics
www.ti.com
4
See the following pages for schematics.
12
CPG004_DRV88xx Evaluation Modules
SLVU361B – April 2010 – Revised October 2013
Submit Documentation Feedback
Copyright © 2010–2013, Texas Instruments Incorporated
Page 1: ...indows Application Software 5 3 The Windows Application 5 3 1 The Menu 7 3 2 DRV88xx GPIO Control Signals 7 3 3 Updating DAC Output for Current Control VREFA and VREFB 8 3 4 DC Motor Speed Control PWM...
Page 2: ...e monitoring of the input power rail User must apply VM according to datasheet recommended parameters NOTE VDD for logic and microcontroller is derived from USB interface 1 2 Test Stakes Every pin on...
Page 3: ...ion JP2 2 3 to select the respective variable resistance potentiometer This jumper should not be left open as lack of reference voltage on the device will minimize current sourcing into the respective...
Page 4: ...RV8802 12 13 14 JP1 3 4 DRV8824 25 JP1 5 6 DRV8841 43 JP1 3 4 1 3 3 DECAY Select Jumper JP3 Figure 3 DECAY Select Jumper Configuration 1 4 Motor Outputs There are two ways of connecting the different...
Page 5: ...hical user interface GUI has been designed to allow for all of the DRV88xx device s functionality to be tested without having to intervene with the hardware except for the proper configuration of jump...
Page 6: ...of microstepping Figure 6 DRV8841 43 Tab The DRV8841 43 tab is very similar to the DRV8802 12 13 14 tab except correct naming conventions have been followed to showcase the AINx pins instead of PHASE...
Page 7: ...connect Press Disconnect to disable the serial communications 3 1 0 0 should return on the text box as an acknowledge The text box also changes from red to green 4 The application is ready for use 3 2...
Page 8: ...ut voltage DAC_VALUE is a number from 0 to 4095 Moving the sliders will update the VREF xV caption below each respective slider with the result of the previous equation giving the user an idea of what...
Page 9: ...f operation the motor is ready to be turned The DRV88xx EVM allows for the possibility of coordinating step rates such that accelerating and decelerating profiles are achieved Both acceleration and de...
Page 10: ...ion When the motor is stepping the Update Speed button becomes enabled Speed can be updated by modifying the PPS text box and then pressing the Update Speed button The Speed Button is disabled every t...
Page 11: ...the PPS text box The user must then provide number of steps per resolution the motor has been manufactured to achieve For example a 1 8 degrees stepper motor would have 200 steps per revolution and so...
Page 12: ...i com 4 Schematics See the following pages for schematics 12 CPG004_DRV88xx Evaluation Modules SLVU361B April 2010 Revised October 2013 Submit Documentation Feedback Copyright 2010 2013 Texas Instrume...
Page 13: ...F C5 1 2 3 4 5 6 JP1 BVREF_SEL AVREF VDD 3 3K R1 nFAULT VDD 3 3K R4 BI1 nHM BI1 10K R8 GND 2 2 3 3 1 1 JP3 DECAY_SEL VDD DECAY GDECAY 0 1uF C12 GND D1 VM 1 2 J1 VM 1 2 3 4 J3 V3P3OUT V3P3OUT 330 R20 D...
Page 14: ...1 34 P4 2 TB2 38 P4 5 TB5 41 P5 2 SOMI1 46 P5 5 SMCLK 49 XT2OUT 52 TDI TCLK 55 P6 0 A0 59 AVSS 62 P4 6 TB6 42 U2 MSP430F1612 GND GND GND 10uF C15 10uF C17 0 1uF C16 33pF C19 33pF C20 1 2 3 4 5 6 7 8 9...
Page 15: ...PHA DIR AIN2 1 TP29 GND GND 1 TP25 VM 1 TP26 VDD VM VDD 1 TP28 GND GND 1 TP33 GND GND 1 TP32 GND GND 1 TP30 GND GND 1 TP31 GND GND 1 TP27 VM VM A TexasInstruments 3 of 3 CPG004 Sheet B InputVoltageVC...
Page 16: ...Page Changed figure 5 and supporting text below image 6 NOTE Page numbers for previous revisions may differ from page numbers in the current version 16 Revision History SLVU361B April 2010 Revised Oc...
Page 17: ...ncy energy and has not been tested for compliance with the limits of computing devices pursuant to part 15 of FCC or ICES 003 rules which are designed to provide reasonable protection against radio fr...
Page 18: ...na type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This radio transmitter has been approved...
Page 19: ...roduct only after you obtained the license of Test Radio Station as provided in Radio Law of Japan with respect to this product or 3 Use of this product only after you obtained the Technical Regulatio...
Page 20: ...erations per the user guidelines Exceeding the specified EVM ratings including but not limited to input and output voltage current power and environmental ranges may cause property damage personal inj...
Page 21: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...
