1. Manuals
  2. Brands
  3. Freescale Semiconductor Manuals
  4. Motherboard
  5. 33395
  6. Reference manual

Freescale Semiconductor 33395 Reference Manual

Evaluation motor board
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ANALOG ICs
33395 EVALUATION
MOTOR BOARD
DESIGNER REFERENCE
MANUAL
MC33395RM
Rev. 2
05/2003
EMBEDDED MOTION CONTROL
Communicate
Control
Protect

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 33395 and is the answer not in the manual?

Questions and answers

Related Manuals for Freescale Semiconductor 33395

Summary of Contents for Freescale Semiconductor 33395

  • Page 1 ANALOG ICs 33395 EVALUATION MOTOR BOARD DESIGNER REFERENCE MANUAL MC33395RM Rev. 2 05/2003 EMBEDDED MOTION CONTROL Communicate Control Protect...
  • Page 2 DRM33395 Designer Reference Manual 33395 Evaluation Motor Board...
  • Page 3 33395 Evaluation Motor Board List of Sections Section 1. Introduction and Setup ........9 Section 2. Operational Description ......... 15 Section 3. Pin Descriptions..........17 Section 4. Schematics and Parts List ......25 Section 5. Design Considerations ........37 33395 Evaluation Motor Board...
  • Page 4 List of Sections DRM33395 Designer Reference Manual 33395 Evaluation Motor Board List of Sections...

  • Page 5: Table Of Contents

    33395 Evaluation Motor Board Table of Contents Section 1. Introduction and Setup Contents ..................9 SMOS EVM Motor Board Introduction........9 About This Manual..............9 Warnings .................. 12 Setup Guide................13 Section 2. Operational Description Contents ...................15 Introduction................15 Electrical Characteristics ............16 Section 3. Pin Descriptions Contents ...................17...
  • Page 6 Contents ...................25 Overview...................25 Schematics ................25 Parts List...................32 Section 5. Design Considerations Contents ...................37 Overview...................37 3-Phase H-Bridge ..............37 Bus Voltage and Current Feedback Signals......38 Back-EMF Signals ..............40 Brake Control................41 DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Table of Contents...
  • Page 7 33395 Evaluation Motor Board List of Figures Figure Title Page System Configurations..............10 SMOS EVM Motor Board ver. 140A01 ........11 SMOS EVM Motor Board Setup ..........14 40-Pin Input Connector J1 ............18 SMOS EVM Motor Board ver. 140A01 Overview ....26 4-1a SMOS EVM Motor Board ver.
  • Page 8 List of Figures DRM33395 Designer Reference Manual 33395 Evaluation Motor Board List of Figures...
  • Page 9 33395 Evaluation Motor Board List of Tables Table Title Page Electrical Characteristics ............16 Connector J1 Signal Descriptions ..........19 Connectors J2 and J4 Signal Descriptions ....... 22 Driver Jumper Groups for Operating Mode ......22 Gate Driver PWM Signal Selection ...........23 Test Points ................24...
  • Page 10 List of Tables DRM33395 Designer Reference Manual 33395 Evaluation Motor Board List of Tables...

  • Page 11: Section 1. Introduction And Setup

    33395 Evaluation Motor Board Section 1. Introduction and Setup 1.1 Contents SMOS EVM Motor Board Introduction........9 About This Manual..............9 Warnings ..................12 Setup Guide................13 1.2 SMOS EVM Motor Board Introduction Freescale SMARTMOS 33395 evaluation motor board (SMOS EVM motor board) is a 12-volt, 8-amp power stage that is an integral part of Freescale embedded motion control series of development tools.

  • Page 12: System Configurations

    CONTROLLER BOARD BOARD WORKSTATION WORKSTATION SMOS EVM SMOS EVM MOTOR BOARD MOTOR BOARD MOTOR MOTOR OPTIONAL FEEDBACK OPTIONAL FEEDBACK a) MC68HC(9)08MR MICROCONTROLLER b) 56800(E) DSP Figure 1-1 System Configurations DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Introduction and Setup...

  • Page 13: Smos Evm Motor Board Ver. 140A01

    Introduction and Setup About This Manual MOTOR CONNECTORS TRIMMER UNI-3 CONNECTOR POWER SUPPLY CONNECTORS JUMPERS AND SWITCH Figure 1-2 SMOS EVM Motor Board ver. 140A01 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Introduction and Setup...

  • Page 14: Warnings

    Figure 1-3. • Wearing safety glasses, avoiding neckties and jewelry, using shields, and operation by personnel trained in power electronics lab techniques are also advisable. DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Introduction and Setup...

  • Page 15: Setup Guide

    R131 label, and GNDA) which thresholds the dc bus current to 10 amps. The closer its value is set to 1.65V, the smaller the bridge current is that can flow. 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Introduction and Setup...

  • Page 16: Smos Evm Motor Board Setup

    EVALUATION MODULE SMOS EVM HC08 CONTROL BOARD 40-PIN MOTOR BOARD RIBBON CABLE HCS12 CONTROL BOARD MPC EVALUATION MODULE STANDOFF 12-VOLT MOTOR SUPPLY Figure 1-3 SMOS EVM Motor Board Setup DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Introduction and Setup...

  • Page 17: Section 2. Operational Description

    33395 Evaluation Motor Board Section 2. Operational Description 2.1 Contents Introduction ................15 Electrical Characteristics ............16 2.2 Introduction Freescale embedded motion control series SMOS EVM motor board is a 12-volt, 8-amp, surface-mount power stage with an analog SMOS driver. In combination with one of the embedded motion control series...

  • Page 18: Electrical Characteristics

    Phase Current Sense Voltage — — mV/A Sense Bus Voltage Sense Voltage — — mV/V Power MOSFET On Resistance — DS(On) RMS Output Current — — Total Power Dissipation — — diss DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Operational Description...

  • Page 19: Section 3. Pin Descriptions

    33395 Evaluation Motor Board Section 3. Pin Descriptions 3.1 Contents Introduction................17 Signal Descriptions ..............19 3.3.1 Power Connectors J3 and JP4..........19 3.3.2 40-Pin Ribbon Connector J1 ..........3.3.3 Output Connectors: J2, J4, FASTONS (J5, J7, J8).....22 3.3.4 Jumpers and Switch/Push Button: M0, M1, PWM, SW1..22 3.3.5...

  • Page 20: Pin Input Connector J1

    BEMF_sense_C BEMF_sense_B +12V_A PHYSICAL VIEW Shielding_A Shielding_A +3.3V_A +5V_D +5V_D PWM_CB Shielding_D PWM_CT Shielding_D PWM_BB Shielding_D PWM_BT Shielding_D PWM_AB Shielding_D PWM_AT CON/40 SCHEMATIC VIEW Figure 3-1 40-Pin Input Connector J1 DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Pin Descriptions...

  • Page 21: Signal Descriptions

    PWM_BB at input connector J1 turns on the phase B bottom switch. Shielding_D Pin 8 is connected to a shield wire in the ribbon cable and ground on the board. 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Pin Descriptions...
  • Page 22 Brake_control is the gate drive digital signal for the brake MOSFET. This is an identification signal that lets the controller know which power stage is Identification present. It is nominally a 1.5kHz square wave. DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Pin Descriptions...
  • Page 23 0.206 volts per volt of dc bus voltage. BEMF_sense_A is an analog sense signal that measures phase C Back-EMF. It is BEMF_sense_C scaled at 0.206 volts per volt of dc bus voltage. 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Pin Descriptions...

  • Page 24: Output Connectors: J2, J4, Fastons (J5, J7, J8)

    UNI-3 interface, the SMOS driver must multiplex it between the three phases according to the mode defined by M0 and M1. The mode selection is not needed when six PWM signals are generated. DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Pin Descriptions...
  • Page 25 SW1 rotary switch from position 3 to 2 (140A01 board version), or by resetting with the SW1 push button (140A02 version). Then the board generates a resetting pulse on the driver PWM_IN pin. 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Pin Descriptions...

  • Page 26: Test Points

    Back-EMF zero crossing circuitry right of MP1, below SMOS BRAKE the gate of the brake’s transistor above MP1 l_reconst (TP22) pin 22 of UNI-3 connector, see Table 3-1 left of trimmer and MP3 DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Pin Descriptions...

  • Page 27: Section 4. Schematics And Parts List

    33395 Evaluation Motor Board Section 4. Schematics and Parts List 4.1 Contents Overview .................. 25 Schematics ................25 Parts List...................32 4.2 Overview A set of schematics for the SMOS EVM motor board appears in Figure 4-1 up to Figure 4-5. An overview of the whole board is...
  • Page 28 Schematics and Parts List DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Schematics and Parts List...
  • Page 29 Schematics and Parts List Schematics 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Schematics and Parts List...
  • Page 30 Schematics and Parts List DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Schematics and Parts List...
  • Page 31 Schematics and Parts List Schematics 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Schematics and Parts List...
  • Page 32 Schematics and Parts List DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Schematics and Parts List...

  • Page 33: Brake Control

    WHITE/YELLOW Phase_B WHITE/RED Phase_A HALL/ENCODER CONNECTOR HALL C (BLUE) HALL B (WHITE) HALL A (GREEN) GND (BLACK) +5V (RED) Figure 4-6 Brushless DC Motor Connections - Schematic View 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Schematics and Parts List...

  • Page 34: Parts List

    Shottky Rectifiers 40 V, MBRM140T3 MBRM140T3 D104, D105, D106 Semiconductor Schottky Rectifier 30V, D401 MBRS330 MBRS330 Semiconductor Jumper, 3-pin header, JP2, JP3, JP5 JUMPER1x3 HARWIN 0.1”, M20-973 type DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Schematics and Parts List...
  • Page 35 Resistor 180 ! , 1%, R107 180-1% Vishay Dale 0805 Resistor 1.8 k! , 1%, R108 1k8-1% Vishay Dale 0805 Resistor 1.2 k! , 1%, R109 1k2-1% Vishay Dale 0805 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Schematics and Parts List...
  • Page 36 3 positions Tactile SMD switch, SW1 (only in 140A02 pushbutton B3S-1000 type, OMRON RS#183-701 board version) 6x6mm MC74HC14A Hex Schmitt Inverter MC74HC14A Semiconductor Linear Voltage MC78PC33NTR MC78PC33NTR Regulator Semiconductor DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Schematics and Parts List...
  • Page 37 LM339D Quad Comparator LM339D Semiconductor Operational Amplifier, U301, U302 MC33502D MC33502D rail-to-rail Semiconductor Adjustable Voltage U303 LM285M LM285M Reference Semiconductor High-Speed Dual U401 MC33152D MC33152D MOSFET Driver Semiconductor 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Schematics and Parts List...
  • Page 38 Schematics and Parts List DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Schematics and Parts List...

  • Page 39: Section 5. Design Considerations

    33395 Evaluation Motor Board Section 5. Design Considerations 5.1 Contents Overview...................37 3-Phase H-Bridge ..............37 Bus Voltage and Current Feedback Signals......38 Back-EMF Signals ..............40 Brake Control ................41 5.2 Overview From a systems point of view, the SMOS EVM motor board kit fits into an architecture that is designed for application development.

  • Page 40: Bus Voltage And Current Feedback Signals

    A. This circuit provides a voltage output suitable for sampling with A/D inputs. An MC33502 is used as a differential amplifier. The gain is given by: A = R301/R302 DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Design Considerations...

  • Page 41: Phase Current And Dc Bus Voltage Sensing

    1.65 Vref +3.3V_A R107 R306 100 k-1% LM285M U303 R307 V_sense_DCB_half R108 R109 33 k-1% DCB_Neg 1.8 k-1% 1.2 k-1% GNDA Figure 5-1 Phase Current and DC Bus Voltage Sensing 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Design Considerations...

  • Page 42: Back-Emf Signals

    2.7 k-1% 10 k 5.6 k BEMF_sense_C Zero_cross_C R221 – U201A V_sense_DCB_half .3 k-1% LM339D C204 C205 100 pF GNDA 22 pF GNDA GNDA Figure 5-3 Phase C Back-EMF Feedback DRM33395 Designer Reference Manual 33395 Evaluation Motor Board Design Considerations...

  • Page 43: Brake Control

    Figure 5-1 indicates that the bus voltage could exceed safe levels. On-board power resistor R403 will safely dissipate up to 5 watts continuously or up to 50 watts for 5 seconds. 33395 Evaluation Motor Board DRM33395 Designer Reference Manual Design Considerations...
  • Page 44 Stylized Logo are registered in the US Patent and Trademark Office. All other product or service names are the property of their respective owners.Freescale , Inc. is an Equal Opportunity/Affirmative Action Employer. © Freescale Semiconductor, Inc. DRM33395/D Rev. 2...

Table of Contents