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EVM Documentation

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SLAU675 – February 2016

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Copyright © 2016, Texas Instruments Incorporated

DRV10964 Evaluation Module

Figure 6. Phase Current for Properly Tuned Open to Close Loop Handoff Threshold

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EVM Documentation

The EVM schematics, layout, and bill of materials (BOM) are provided in the hardware file (

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Содержание DRV10964

Страница 1: ... SLDS227 It details the hardware implementation of the EVM and gives a step by step introduction to the device operation Contents 1 DRV10964 EVM Kit Contents 2 2 Introduction 2 3 DRV10964 On Board Connections 3 3 1 Power Input 3 3 2 Interface Connectors J4 for Phases of Motor 3 3 3 TLC555 Pins 3 4 DRV10964 Package 4 5 User Interface 5 5 1 Jumpers 5 5 2 PWM Configuration With the TLC555 Timer 5 5 3...

Страница 2: ...n evaluation platform for the DRV10964 three phase brushless DC motor driver The EVM includes a TLC555 timer configured to supply a PWM to the DRV10964 and potentiometer to adjust the speed of the motor by varying the duty cycle of the PWM This document describes the kit details and explains the functions and locations of test points jumpers and connectors present on the kit For detailed informati...

Страница 3: ...ace for the external power supply The pin assignment of terminal P1 is as follows Table 1 DRV10964 Pin Description 1 VCC 2 GND 3 2 Interface Connectors J4 for Phases of Motor Connector J4 is used to interface the U V and W phases The pin assignments are as follows Table 2 Connector P2 3 Terminal Connector to Connect 3 Phase BLDC Motor Pin Description 1 Phase W 2 Phase V 3 Phase U 3 3 TLC555 Pins T...

Страница 4: ...d DRV10964 Evaluation Module 4 DRV10964 Package The DRV10964 pin out is listed in Table 4 Table 4 DRV10964 Pin Out Pin Description 1 FG 2 FG_STATUS 3 VCC 4 W 5 GND 6 V 7 U 8 FR 9 CONFIG 10 PWM The DRV10964 is packaged in a 10 pin USON package For detailed information about the DRV10964 refer to the DRV10964 data sheet SLDS227 ...

Страница 5: ...configure the output of the FG pin Based on the configuration of the FGS pin and the frequency of FG FG_FREQ the motor speed is calculated as shown in the following table Connection Description VCC FR RPM FG_FREQ 60 3 Number of pole pairs GND FGS RPM FG_FREQ 60 Number of pole pairs 5 2 PWM Configuration With the TLC555 Timer The PWM signal is generated with circuitry based on TI s TLC555 low power...

Страница 6: ...Points Description Test Points Description TP 1 PWMIN TP 5 Motor V phase TP 2 GND TP 6 VCC TP 3 CONFIG TP 7 FG TP 4 Motor U phase TP 8 Motor W phase CAUTION Do not apply power to the board before you have read Section 6 6 Powering Up the EVM The DRV10964 EVM requires a VM power supply source which has a recommended operating range from 2 1 to 5 5 V Use the following sequence to power up the EVM 1 ...

Страница 7: ... of supply voltage on the CONFIG pin The open to close loop handoff can be changed either by changing the voltage on the CONFIG testpoint or by changing biasing resistors R2 and R3 Table 6 shows the available options for open to close threshold and associated configuration 1 Resistor value is based on 1 tolerance Resistor value is only recommended based on the in the first column Any resistance di...

Страница 8: ...ve lower Kt and as a result lower BEMF Table 7 shows the configurable settings for the handoff threshold Maximum speeds in electrical Hz are shown as a guide to assist in identifying the appropriate handoff speed for a particular application Table 7 Recommend Handoff Threshold Based on Maximum Speed of Operation Maximum Speed Hz Handoff Frequency Hz Maximum Speed Hz Handoff Frequency Hz 100 12 5 4...

Страница 9: ...AU675 February 2016 Submit Documentation Feedback Copyright 2016 Texas Instruments Incorporated DRV10964 Evaluation Module Figure 4 Phase Current for High Open to Close Loop Handoff Threshold Figure 5 Phase Current for Low Open to Close Loop Handoff Threshold ...

Страница 10: ...n Feedback Copyright 2016 Texas Instruments Incorporated DRV10964 Evaluation Module Figure 6 Phase Current for Properly Tuned Open to Close Loop Handoff Threshold 8 EVM Documentation The EVM schematics layout and bill of materials BOM are provided in the hardware file SLVXXX ...

Страница 11: ...ring the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day warranty period 3 ...

Страница 12: ... by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la rég...

Страница 13: ... connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors cu...

Страница 14: ...F REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL T...

Страница 15: ...esponsible 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 information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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