Freescale Semiconductor KIT33926PNBEVBE User Manual

Freescale Semiconductor

User’s Guide

Document Number: KT33926UG

Rev. 2.0, 12/2012

KIT33926PNBEVBE Evaluation Board User’s Guide

Featuring the MC33926 5.0A Throttle Control H-Bridge IC with Slew Rate Control
and the MC33810 Automotive Engine Control IC

Figure 1. KIT33926PNBEVBE Evaluation Board

Table of Contents

1 Kit Contents / Packing List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Important Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4 Evaluation Board Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

5 MC33926 Device Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

6 MC33810 Device Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

7 Required Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

8 Evaluation Board Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

9 Installing SPIGen Freeware on your Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

10 EVB Setup and Using the Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

11 Evaluation Board Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

12 Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

13 Board Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

14 Bill of Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

15 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

16 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

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



Kit Contents / Packing List

1 Kit Contents / Packing List

• Assembled and tested evaluation board/module in anti-static bag.

• Ribbon cable assembly with 16-pin connector

• CD-ROM containing:

• Supporting documentation for featured device (including data sheet and user's guide)
– Schematic of evaluation board
–PCB artwork
– Bill of material for evaluation board
– Instruction sheet for evaluation board

• SPIGen 5.0.1 software

• Warranty card

2 Freescale Semiconductor

KT33926UG, Rev. 2.0

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.

Important Notice

Should the buyer purchase or use Freescale products for any such unintended or unauthorized
application, the 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

KT33926UG, Rev. 2.0

Freescale Semiconductor 3

Introduction

3 Introduction

The KIT33926PNBEVBE Evaluation Board (EVB) is an easy-to-use circuit board that allows the user to
exercise all the functions of the MC33926 H-Bridge circuit. The EVB communicates to a PC through a
USB/SPI Dongle connected to the PC’s USB port. The Freescale SPIGen program provides the User
Interface to the MC33926 EVB’s SPI port and allows the user to send commands to and receive error
messages from the IC. There is also a MC33810 circuit on the EVB which contains four, low side, drivers
and four General Purpose MOSFET Gate drivers which are used to provide PWM signals to the various
MC33926 inputs.

4 Evaluation Board Features

• A MC33926 H-Bridge IC

• A MC33810 PWM Driver (IID) IC

• A USB to SPI Dongle interface, through which 5V power is supplied

• Power conditioning circuitry

• A set of seven Input Select Jumpers.

5 MC33926 Device Features

This MC33926 is designed primarily for automotive electronic throttle control, but is applicable to any
low-voltage DC servo motor control application within the current and voltage limits stated in this
specification. This device has the following features:

• 8.0 V to 28 V Continuous Operation (Transient Operation from 5.0 V to 40 V)

• 225 m maximum RDS(ON) @ 150°C (each H-Bridge MOSFET)

• 3.0 V and 5.0 V TTL / CMOS Logic Compatible Inputs

• Overcurrent Limiting (Regulation) via Internal Constant-Off-Time PWM

• Output Short Circuit Protection (Short to VPWR or Ground)

• Temperature-Dependant Current-Limit Threshold Reduction

• All Inputs have an Internal Source/Sink to Define the Default (Floating Input) States

• Sleep Mode with Current Draw < 50 µA (with Inputs Floating or Set to Match Default Logic States)

6 MC33810 Device Features

The MC33810 is an eight channel output driver IC intended for automotive engine control applications.
This device has the following features:

• Designed to Operate over the range of 4.5 V ≤ VPWR ≤ 36 V

• Quad Ignition IGBT or MOSFET gate pre-driver with Parallel/SPI and/or PWM Control

• Quad Injector Driver with Parallel/SPI Control

• Interfaces Directly to MCU Using 3.3 V / 5.0 V SPI Protocol

• Injector Driver Current Limit - 4.5A Typical

• Independent Fault Protection and Diagnostics

• VPWR Standby Current 10 µA Typical

4 Freescale Semiconductor

KT33926UG, Rev. 2.0

7 Required Equipment

USB/SPI Dongle

(KITUSBSPIDGLEVME)

Throttle Control H-Bridge

(KIT33926PNBEVBE)

16-Pin SPI Ribbon

Cable

Power Supply

GND

VBAT

Minimum required equipment:

• USB enabled Computer with Windows XP or higher

• SPIGen 7.0 or greater

• One of the following two USB-to-SPI kits:

• USB/SPI Dongle board (KITUSBSPIDGLEVME) plus 16-Pin Ribbon Cable

• Typical loads (DC servo motor, fuel injectors, solenoids, lamps, and relays)

8 Evaluation Board Configuration

Required Equipment

Figure 2. Evaluation Board Setup

Freescale Semiconductor 5

KT33926UG, Rev. 2.0

Installing SPIGen Freeware on your Computer

9 Installing SPIGen Freeware on your Computer

There current version of SPIGen is designed to run on a USB enabled computer with Windows XP,
Windows 2000, or Windows NT.

This version of SPIGen includes a README.txt file which will describe the operating systems where the
software should be installed. Before you install the program, refer to the SPIGen README.txt file to check
the compatibility of the installation program and your computer operating system.

To install the software from the CD-ROM, insert the CD-ROM into your CD drive. Click the Start button,
and then click “Run…”.

While running Windows NT, Windows 2000, or Windows XP, type
“D:\SPIGen_Win_NT_2000_XP\Setup.exe” in the box, and then click “OK”.

Several temporary files will be copied to your computer, and then the Installation Wizard will guide you
through the rest of the process.

To use SPIGen, Go to the Windows Start menu, then Programs, then SPIGen, and click on the SPIGen
icon. The SPIGen “Generic SPI Generator” graphic user interface (GUI) will appear. Go to the File menu
in the upper left hand corner of the GUI, and select Open, then browse the CD to find and select the
SPIGen Configuration “.spi” file for the EVB you are using. Click Open, and SPIGen will open a
specifically configured SPI command generator for your EVB.

6 Freescale Semiconductor

Figure 3. SPI Generator GUI

KT33926UG, Rev. 2.0

10 EVB Setup and Using the Hardware

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 MC33926 EVB via a 16 pin ribbon cable. Make sure to orient the cable so that
pin1 on both the USB/SPI Dongle and the MC33926 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 MC33926 board
should both be illuminated.

4.Attach a +12 VDC supply (do not turn on power yet) to the power connector on the MC33926 EVB, making sure to
observe the GND and +12 V terminals. The current capability of the +12 V supply should exceed the maximum
total current that the number of simultaneously ON loads will require.

5.Attach loads to the MC33810 OUT0 - OUT3 terminals between the VPWR terminals and the OUTx terminals. One
possible demo load is a 10 W 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.Attach 10 W halogen G4 Base T3 bulbs to the H-Bridge OUT1 and OUT-2 terminals from OUT1 to GND and
another load from OUT2 to GND.

7.Launch SPIGen and from the “File” menu, select “Open” and browse to the CD containing the
“MC33926_EVB_CONFIGURATION_FILE.spi” file. The title on the SPIGen screen should change from
“Generic SPI Generator” to “MC33926 SPI Generator”.

EVB Setup and Using the Hardware

8.Turn on the +12 Volt Supply. The bulbs connected to the H-Bridge OUT1 and OUT2 should illuminate immediately.
Verify that all is working correctly by clicking on the “Extra Pins” button in the SPIGen main screen and then click
on the DATA 0 “High” button. The OUT1 bulb should extinguish. Clicking on the DATA 1 “High” button should
extinguish the OUT2 bulb.

9.Click on the Control 0 “High” button. The bulb connected to OUT0 on the MC33926 EVB and LED1 on the
USB/SPI Dongle should be illuminated. Click on the Control 0 “Low” button and the bulb connected to OUT0 and
LED1 on the USB/SPI Dongle.

Freescale Semiconductor 7

KT33926UG, Rev. 2.0

Evaluation Board Hardware Description

Reverse Battery

And Transi ent

Protecti on

MC33810

33810

OUT0 –

OUT3
Screw

Connectors

MC 33926

H-Br idge

MC33926 Evaluation Board Block Diagram

4

4

2

16 conductor Flat Cable

SO, SI ,

CSB,

CLK

4

SPI

Port

DIN0-3
GIN0- 3

VPWR

LED

8 paral lel contr ol

lines

OUT0 -3

GD1- 3

VBat

2

VPWR,

VDD

RED/GREEN

OUTPUT LED

TO

USB/SPI

DONGLE

VDD
LED

H-BRI DGE

OUT1 OUT2

Screw

Connectors

VDD

`

EN
DISABLE _1
DISABLE _2B
INPUT 1
INPUT 2
INVERT
SLEW

FAULT

LED

3 paral lel contr ol line s

JUMPERS

11 Evaluation Board Hardware Description

This EVB consists of a 33926 H-Bridge, a 33810 PWM Driver (IID) circuit, a USB to SPI Dongle interface,
power conditioning circuitry, and a set of seven Input Select Jumpers. All +5.0
by the EVB is obtained via the USB/SPI Dongle interface. The Hardware Block Diagram is shown below:

volt VDD power required

11.1 LED Display

Several LED’s are provided as visual output devices for the MC33926 EVB board. A list of the LED
devices is shown below:

8 Freescale Semiconductor

1.VDD LED - Indicates when a +5.0 Volt supply is connected

2.VPWR LED - Indicates when +12 Volt supply is connected

3.Fault LED - Illuminates when the MC33926 detects a fault

4.Output LED - Red/Green LED that indicates which direction the current is flowing in the legs of the H-Bridge.

Figure 4. 33926 EVB Block Diagram

KT33926UG, Rev. 2.0