kt33932ekug, kit33932ekevbe evaluation board · each h-bridge in the 33932 is able to control...

© Freescale Semiconductor, Inc., 2012. All rights reserved.

Freescale SemiconductorUser’s Guide

Document Number: KT33932EKUGRev. 1.0, 6/2012

Table of ContentsKit Contents / Packing List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Important Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Kit Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Setup and Example Demonstrations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8EVB Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Bill of Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Revision History. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

KIT33932EKEVBE Evaluation Board

Figure 1. KIT33932EKEVBE

KIT33932EKEVBE, Rev. 1.0Freescale Semiconductor 2

Kit Contents / Packing List

1 Kit Contents / Packing List

• KIT33932EKEVBE Evaluation Board (EVB)• Hardware Document CD, CD33932EK• Warranty Card, Freescale, 920-75133, Rev. A• Technical Information Center Freescale Semiconductor, Inc. BR1530• FCC Disclaimer, Freescale, 926-75760, Rev A


Important Notice

2 Important Notice

Freescale provides the enclosed product(s) under the following conditions:

This evaluation kit is intended for use of ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY. It is provided as a sample IC pre-soldered to a printed circuit board to make it easier to access inputs, outputs, and supply terminals. This EVB may be used with any development system or other source of I/O signals by simply connecting it to the host MCU or computer board via off-the-shelf cables. This EVB is not a Reference Design and is not intended to represent a final design recommendation for any particular application. Final device in an application will be heavily dependent on proper printed circuit board layout and heat sinking design as well as attention to supply filtering, transient suppression, and I/O signal quality.

The goods provided may not be complete in terms of required design, marketing, and or manufacturing related protective considerations, including product safety measures typically found in the end product incorporating the goods. Due to the open construction of the product, it is the user's responsibility to take any and all appropriate precautions with regard to electrostatic discharge. In order to minimize risks associated with the customers applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. For any safety concerns, contact Freescale sales and technical support services.

Should this evaluation kit not meet the specifications indicated in the kit, it may be returned within 30 days from the date of delivery and will be replaced by a new kit.

Freescale reserves the right to make changes without further notice to any products herein. Freescale makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Freescale assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typical”, must be validated for each customer application by customer’s technical experts.

Freescale does not convey any license under its patent rights nor the rights of others. Freescale products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Freescale product could create a situation where personal injury or death may occur.

Should Buyer purchase or use Freescale products for any such unintended or unauthorized application, Buyer shall indemnify and hold Freescale and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Freescale was negligent regarding the design or manufacture of the part. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc. All other product or service names are the property of their respective owners. © Freescale Semiconductor, Inc. 2012.

SupportVisit freescale.com/support for a list of phone numbers within your region.

WarrantyVisit freescale.com/warranty for complete warranty information.

freescale.com/support

freescale.com/warranty


Kit Introduction

1 Kit Introduction

The KIT33932EKEVBE Evaluation Board (EVB) is an easy-to-use circuit board that allows the user to exercise all the functions of the MC33932 H-Bridge circuit. The EVB parallel input can be easily controlled through a USB/SPI Dongle connected to a PC’s USB port. The Freescale SPIGen program provides the User Interface to the USB/SPI Dongle and allows the user to send commands to the IC.


Kit Features

2 Kit Features

This EVB consists of a Dual H-Bridge, a parallel interface, power conditioning circuitry, and a set of 8 Input Select Jumpers. All +5 volt VDD power required by the EVB is obtained via the parallel interface.


Product Features

3 Product Features

The 33932 is a monolithic H-Bridge Power IC in a robust thermally enhanced package. The 33932 has two independent monolithic H-Bridge Power ICs in the same package. They are designed primarily for automotive electronic throttle control, but are applicable to any low-voltage DC servo motor control application within the current and voltage limits stated in this specification.

Each H-bridge in the 33932 is able to control inductive loads with currents up to 5.0 A peak. RMS current capability is subject to the degree of heatsinking provided to the device package. Internal peak-current limiting (regulation) is activated at load currents above 6.5 A ±1.5 A. Output loads can be pulse width modulated (PWM-ed) at frequencies up to 11 kHz. A load current feedback feature provides a proportional (0.24% of the load current) current output suitable for monitoring by a microcontroller’s A/D input. A Status Flag output reports under-voltage, over-current, and over-temperature fault conditions.

Two independent inputs provide polarity control of two half-bridge totem-pole outputs. Two independent disable inputs are provided to force the H-bridge outputs to tri-state (high-impedance off-state).


Hardware Description

4 Hardware Description

4.1 Recommended Equipment• PC Computer running Windows XP• 5 V-40 V Power Supply• USB Cable• KITUSBSPIDGLEVME

The Hardware Block Diagram is shown below:

Figure 2. Block Diagram

4.2 LED DisplaySeveral LED’s are provided as visual output devices for the EVB. A list of the LED devices is shown below:1. VDD LED - Indicates when +5 Volt supply is connected 2. VPWR LED - Indicates when +12 Volt supply is connected 3. Fault LEDs - Illuminates when one of the H-Bridges detects a fault4. Output LEDs - Red/Green LED, for each H-Bridge, that indicates which direction the current is flowing in the legs of the

H-Bridge.

Reverse Battery And Transient

Protection

MC 33932Dual

H-Bridge

MC33932 Evaluation Board Block Diagram

16 conductor Flat Cable

VPWRLED

VBat

2

VPWR, VDD

USB/SPI DONGLE

VDD LED

H-BRIDGEOUT1, OUT2

Screw Connectors

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FAULTLED

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FAULTLED

OUTPUT POLARITY

LEDS

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All Grounds

VPWR

VPWR

Charge Pump Cap

Charge Pump Cap

LOADS

KIT33932EKEVBE

KITUSBSPIDGLEVME

PC

USBCable

PowerSupply



4.3 I/O Jumper Definitions (J3)The EVB contains seven jumpers that connect the inputs of the 33932 as follows (Bold = factory setting):

JUMPER NAME JUMPER POSITION CONNECTIONINPUT 1 1-2/2-3 GND/DATA0INPUT 2 1-2/2-3 GND/DATA1

INPUT3 1-2/2-3 GND/DATA2INPUT4 1-2/2-3 GND/DATA3

ENABLE/DISABLE 2 1-2/2-3 PullUp/CNTL1 ENABLE/DISABLE 4 1-2/2-3 PullUp/CNTL3

DISABLE 1 1-2/2-3 CNTL0/GNDDISABLE_2B 1-2/2-3 GND/CNTL2

The DATA0 -DATA3 and CNTL0 - CNTL3 signals are parallel outputs from the USB/SPI Dongle that can be controlled directly from the SPIGen program. An example config file called “MC33932_EVB_CONFIGURATION_FILE.spi” is provided on the CD which contains a batch file example.

If the user prefers to supply the various MC33932 input signals externally, other than from the USB-SPI Interface, the jumpers can be removed and connections can be made to the open pin number 2’ s.

4.4 USB/SPI Dongle ConnectorThe USB/SPI dongle connector is a 16 pin, .1” center, dual-row connector that is designed to interface directly to the USB/SPI

Dongle unit. The USB/SPI dongle connector consists of the following 16 pins –Pin Number Name Description1 CSB SPI signal, Chip Select Bar2 CNTL2 Parallel port signal CNTL23 SO SPI signal, Serial Out4 CNTL1 Parallel port signal CNTL1 5 SI SPI signal, Serial In6 CNTL0 Parallel port signal CNTL07 SCLK SPI signal, Serial Clock8 DATA4 Parallel port signal DATA49 CNTL3 Parallel port signal CNTL3 10 DATA3 Parallel port signal DATA311 VDD +5 Volt VDD from USB12 DATA2 Parallel port signal DATA213 NC Unused14 DATA1 Parallel port signal DATA115 GND Signal Ground 16 DATA0 Parallel port signal DATA0

This connector mates with the 16 conductor flat cable that connects to the USB/SPI Dongle (KITUSBSPIDGLEVME).



4.5 Screw Terminal ConnectionsThe EVB contains input and output screw terminal connections to allow easy access to the MC33932’s drive circuits.The diagram below shows the locations of the screw terminals and their functional definitions:

Figure 3. Screw Terminals with Definitions

4.6 VBAT ConnectorThe VBAT Connector is a 2 position screw terminal that provides +12 Volt and Ground Terminals. The Ground terminal is

marked “GND” and the +12 Volt Terminal is marked “VBAT”.

4.7 H-Bridge Output ConnectorsThe H-Bridge Output Connectors are 2 position screw terminals that provides the following two connections:1) Output 1/2 of the H-Bridge2) Output 3/4 of the H-Bridge For H-Bridge A the output 1 connector is labeled “OUT1”For H-Bridge A the output 2 connector is labeled “OUT2”For H-Bridge B the output 3 connector is labeled “OUT3”For H-Bridge B the output 4 connector is labeled “OUT4”

VBAT CONNECTOR

OUTPUT 1 &2CONNECTOR

OUTPUT 3 & 4CONNECTOR

PARALLELCONNECTOR


Setup and Example Demonstrations

5 Setup and Example Demonstrations

To perform the examples included in the CD the following connections and setup must be performed:1. Make sure the SPIGen 5.0X program is installed on the PC and it can communicate with the USB/SPI Dongle as

described in that kit’s documentation.2. Connect the USB/SPI Dongle to the EVB via a 16 pin ribbon cable. Make sure to orient the cable so that pin1 on both the

USB/SPI Dongle and the EVB are connected correctly, pin 1 to pin 1. 3. Connect the USB/SPI Dongle to a PC, LED 2 on the USB/SPI Dongle and the VDD LED on the board should both be

illuminated.4. Attach a +12 VDC supply (do not turn on power yet) to the power connector on the EVB, making sure to observe the GND

and +12V terminals. The current capability of the +12V supply should exceed the maximum total current that the number of simultaneously ON loads will require.

5. Attach loads to the OUT1/2 and OUT3/4 terminals. One possible demo load is a 10w halogen G4 Base T3 bulb (used in landscape lighting applications). This load will draw approximately 850 mA and fits nicely into the screw terminals.

6. Launch SPIGen and from the “File” menu, select “Open” and browse to the CD containing the “MC33932_EVB_CONFIGURATION_FILE.spi” file. The title on the SPIGen screen should change from “Generic SPI Generator” to “MC33932 SPI Generator”.

7. Turn on the +12 Volt Supply. Verify that all is working correctly by clicking on the “Extra Pins” button in the SPIGen main screen and then click on the following buttons to set the up the proper conditions:

A. Control 0 “Low”B. Control 1 “High”C. Control 2 “Low”D. Control 3 “High”

8. Next, click on the Data 0 “High” button. The OUT1/2 load or bulb should turn on. The OUT 1/2 LED should be glowing green. Clicking on the DATA 0 “Low” button should turn off the load or bulb and the OUT 1/2 LED.

Next, click on the Data 1 “High” button. The OUT1/2 load or bulb should turn on. The OUT 1/2 LED should be glowing red. Clicking on the DATA 1 “Low” button should turn off the load or bulb and the OUT 1/2 LED.

9. Next, click on the Data 2 “High” button. The OUT3/4 load or bulb should turn on. The OUT 3/4 LED should be glowing green. Clicking on the DATA 2 “Low” button should turn off the load or bulb and the OUT 3/4 LED.

10. Next, click on the Data 3 “High” button. The OUT3/4 load or bulb should turn on. The OUT 3/4 LED should be glowing red. Clicking on the DATA 3 “Low” button should turn off the load or bulb and the OUT 3/4 LED. If everything described so far occurs then you are ready to proceed with the remaining examples.

EXAMPLE 1. RUNNING THE TEST BOTH H-BRIDGES BATCH FILE 1. Click on the “Send a Batch of Commands” Tab in the SPIGen main screen. 2. In the box below the “Commands to Send:” column is a pull-down menu box containing several batch file names. One of

these example batch files is labeled “Test Both H-Bridges”. 3. Click on this label to load it. You should see a list of commands in the “Command to Send” box.4. Click on the “Continuous” button and observe that the loads or bulbs you have attached to the EVB board are blinking

twice and then going out in succession. There are other demo batch examples that can be run and examined for learning how to use the EVB.


EVB Schematic

6 EVB Schematic

Figure 4. KIT33932EKEVBE Schematic

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Board Layout

7 Board Layout

7.1 Assembly Layer Top

Figure 5. Assembly Layer Top


Board Layout

7.2 Assembly Layer Bottom

Figure 6. Assembly Layer Bottom


Bill of Material

8 Bill of MaterialFreescale MC33932

Item Qty Ref Des Value Description Package

1 4 C1, C2, C3, C7 0.1μF CAP CER 0.1UF 25V 10% X7R 0603 0603 (1608 Metric)

2 2 C11, C14 1.0μF CAP CER 1UF 35V 10% X5R 0603 0603 (1608 Metric)

3 2 C4,C5 0.033μF CAP CER 0.033UF 50V 10% X7R 0805 0805 (2012 Metric)

4 8 C6, C12, C13, C16, C17, C18, C19, C20

10000pF CAP CER 10000PF 50V 10% X7R 0603 0603 (1608 Metric)

5 1 C8 47μF CAP ALUM 47UF 35V 20% SMD Radial, Can - SMD

6 1 C9 100μF CAP ALUM 100UF 35V 20% SMD Radial, Can - SMD

7 1 D1 SCHOTTKY DIODE SCHOTTKY 45V 16A D2PAK D2PAK, TO-263

8 1 D2 40V DIODE TVS 40V 600W UNIDIR 5% SMB DO-214AA, SMB

9 8 DISABLE_2B, DISABLE_3, ENABLE,ENABLE1, INPUT1, INPUT2, INPUT3,INPUT4

MA03-2 CONN HEADER VERT .100 3POS 15AU

10 4 FBA, FBB, SFA_B, SFB_B MA02-1 CONN HEADER VERT .100 2POS 15AU

11 1 GND TP MA01-1 CONN HEADER VERT .100 1POS 15AU

12 3 OUTPUT_A, OUTPUT_B, VBAT 2POS CONN TERM BLOCK 2POS 5.08MM PCB Term Block

13 2 OUTPUT_LED, OUTPUT_LED1 LED YELGRN/RED 565/635 DIFF 1616 0606 (1616 Metric)

14 2 Q1, Q2 PNP TRANSISTOR SWITCHING PNP SOT-23 TO-236-3, SC-59, SOT

15 9 R1, R3, R4, R5, R6, R9, R12, R13, R15 1K RES 1.0K OHM 1/10W 5% 0603 SMD 0603 (1608 Metric)

16 1 R2 470 RES 470 OHM 1/10W 5% 0603 SMD 0603 (1608 Metric)

17 2 R7, R16 100 RES 100 OHM 1/10W 5% 0603 SMD 0603 (1608 Metric)

18 2 R8, R10 43K RES 43K OHM 1/10W 5% 0603 SMD 0603 (1608 Metric)

19 2 SF_LED_A, SF_LED_B RED LED RED HI BRT SS TYPE LO CUR SM 0603 (1608 Metric)

20 2 VDD_LED, VPWR_LED GREEN LED GREEN USS TYPE 0603 0603 (1608 Metric)

21 1 USB_SPI_DONGLE MA08-2 CONN HDR BRKWAY .100 08POS VERT

22 1 U1 MC33932EK DUAL 5A H-BRIDGE 54LD SOIC-EP

Freescale does not assume liability, endorse, or warrant components from external manufacturers that are referenced in circuit drawings or tables. While Freescale offers component recommendations in this configuration, it is the customer’s responsibility to validate their application


References

9 References

The following table provides Web links where you can obtain information on additional Freescale products and application solutions:

Document Number

Type Description/URL

MC33932 Data Sheet freescale.com/files/analog/doc/data_sheet/MC33932.pdf

AN2409 Application Note Small Outline Integrated Circuit Fine Pitch Package (SOIC):freescale.com/files/analog/doc/app_note/AN2409.pdf

Freescale Website freescale.com

Freescale Analog Web page freescale.com/analog

www.freescale.com/files/analog/doc/data_sheet/MC33932.pdf

http://cache.freescale.com/files/analog/doc/app_note/AN2409.pdf?fsrch=1&sr=1

www.freescale.com

www.freescale.com/analog


Revision History

10 Revision History

REVISION DATE DESCRIPTION OF CHANGES

1.0 6/2012 • Initial Release

Document Number: KT33932EKUGRev. 1.06/2012

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