Infineon Technologies TLE9844-2QX User manual

TLE9844-2QX Application Kit User’s Manual 1 Rev. 1.0
www.infineon.com/TLE984x 2018-04-04
TLE9844-2QX Application Kit User’s
Manual
Product Family: TLE984xQX
Figure 1 TLE9844-2QX Application Kit 2-Channel Relay
About this document
Scope and purpose
The TLE9844-2QX Appkit is designed to evaluate hardware and software functionalities of the
TLE9844-2QX in an application similar designed shape.
The 2-Channel Relay is connected to the integrated low side switches to drive DC motors bidirektionally.
This documentation describes the basic use of the TLE9844-2QX Appkit.
Note: This Evaluationboard is not optimized for EMC behavior.
Intended audience
This Document is for everyone who works with the TLE9844-2QX Appkit

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About this document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1 Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Interconnections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3 Communication Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 LIN and uIO for LIN BSL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 UART (Virtual COM PORT via USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.3 SWD-Debuginterface (J-Link via USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4 Software Toolchain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Keil µVision 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Infineon Config Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3 TLE9844-2QX Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.4 Debug Connection Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
5 Schematic and Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Table of Contents

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TLE9844-2QX Application Kit User’s Manual
Concept
1Concept
Figure 2 Applikation Kit Concept
The TLE9844-2QX Appkit provides an application near circuit to evaluate relay based bidirectional dc motor
applications.
The TLE9844-2QX device is placed near a 2-Channel Relay. The board is protected against reverse polarity of
input voltage supply. GPIOs, high voltage monitor PINs and high side switches are accessible via pin head
connectors.
The Application Kit provides an On-Board debugger. It provides a SWD-Debug connection and a virtual COM
port for serial UART communication.
Power supply and motor connectors are accessable via plated through hole contacts, which can be used to
place M2.5 pressnuts (optionally).
Board features:
• Application near circuit (e.g. Window lift)
• LIN-PWM Interface
• 2-Channel Relay for bidirectional dc motor control
• Analog Pins with additional GND connector (double row pin header)
• GPIOs accessible (pin header)
• High side switches accessible (pin header)
• USB-Communication and Debug-Interface (USB-Connector)
• Example Code (Keil µVision 5)

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Interconnections
2 Interconnections
Figure 3 Interconnections Overview
Supply Voltage Connectors
This is the main Appkit supply voltage connection. It is recommended to supply the board with typ. 12V. The
operational voltage range of the TLE9844-2QX can be found in the Datasheet.
The two supply connectors fit for 2,5mm press nuts.
Motor Connectors
The 2-channel relay is directly connected to this contacts. They are terminated to GND in relay ‘off’-state. The
raley is capable to carry up to 20A for short time periods. The power supply should be chosen accordingly.
High Voltage Monitor Pins
These Pins are capable to measure voltages on battery voltage level, directly. The second Pin head row is
connected to GND.
Analog Pins
The 5V Analog Channels of the TLE9844-2QX can be accessed at this pin row. Their name suffix is P2.x.

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Interconnections
GPIO Interface
All Chip GPIO Pins are accessable with pin head rows. They can be used for many different interfaces (e.g.
UART, SPI, HALL).
USB Interface
An onboard-debug interface is implemented on the TLE9844-2QX Appkit. The USB-connection provides a
debug- and serial-interface to the PC
A serial Diode supply the TLE9844-2QX in the extended operation voltage area. This enables the possibility to
flash download code, by usb connection only. For operating the relay, a 12V supply is mandatory.
LIN Interface
This connector is a direct access to the LIN Interface of the TLE9844-2QX. The LIN Interface can be used to
establish halfduplex connections to other boards or modules for evaluation. The example code library
provides example projects for LIN master and slave low level drivers.
SWD Interface
The SWD PIN-Header can be used optionally, instead of using the On-Board Debug Interface.

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Communication Interfaces
3 Communication Interfaces
3.1 LIN and uIO for LIN BSL
The device integrated LIN transceiver is connected to a dedicated Connector (see Figure 3). To integrate the
device in a LIN network it is sufficient to use the single wire banana interface. The BSL interface is intended to
program the device via LIN. For further information about the uIO interface see www.hitex.com/uio.
3.2 UART (Virtual COM PORT via USB)
A virtual COM port provided by Segger driver enables a PC – board – communication via UART. The UART2
module of TLE9844-2QX uses the pins P1.0 (transmit) and P1.1 (receive). Those are connected to the XMC4200,
which emulates Rx and Tx on PC side with Segger firmware. Though they can be disconnected physically,
bidirectional level shifters ensure that the XMC pins are hi-Z in case the virtual COM port is not used. By
connecting the evaluation board to the PC a virtual COM port gets emulated by the Segger driver
automatically. The virtual COM port will show up in the Microsoft® Windows® device manager.
Figure 4 UART and Debugging
Note: Only one of the interfaces USB or SWD can be used at one time. While using the SWD interface the XMC is
hold in reset. As long as a debugger is connected with the SWD interface it eliminates therefore debugging
or UART via USB.
3.3 SWD-Debuginterface (J-Link via USB)
For serial wire debug the TLE984x uses the pins TMS (data) and P0.0 (clock). Level shifters between XMC4200
and TLE9845QX allow using P0.0, while it is not used for debugging.
The Segger J-Link module on board allows serial wire debugging via USB. Alternative debugging via SWD
interface is possible to debug with another ISP than the onboard Segger e.g. U-Link2. Therefore the signals are
routed through the 10 pin header SWD interface between the XMC4200 and the TLE984x. The pin configuration
makes sure that the XMC is hold in reset while another debugger is physically connected to X11. The virtual
COM port will be disabled, while the external ISP is connected.

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Software Toolchain
4 Software Toolchain
4.1 Keil µVision 5
The recommended Integrated Software Developement Environment is Keil® µVision5®. Infineons embedded
Power family is suported. For more information about the Toolchain go to: www.keil.com
4.2 Infineon Config Wizard
In addition to the IDE, Infineon® provides the ConfigWizard. The tool is designed for code configuration, in
combination with the IDE. Infineons Config Wizard can be downloaded via:
www.infineon.com/embeddedpower
4.3 TLE9844-2QX Installation
All embedded Power products can be installed to Keil® µVision5® via “Pack Installer”. Browsing to the Infineon
chapter in “All Devices” will lead to the “TLE98xx Series”. The “.pack” file comes with several code examples,
to provide an easy start up and speed up software developement.
4.4 Debug Connection Setup
ForaproperFlashandDebugConnection,InstallV5.10(ornewer)from:www.segger.com/jlink-software.html
Keil® µVision5® has to be configured in the IDE Menu “Options for Target”. After connecting the USB-cable and
power up the Evalboard, go to the “Debug” register-card and choose “J-LINK / J-TRACE Cortex” and press
”Settings”.
Figure 5 Debug and Flash Configuration
If the board has been connected successfully, the ARM IDCODE will be visible in the SW Device Window.
If connection fails, “Connect & Reset Options” and “Port” window has to be checked.

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Schematic and Layout
5 Schematic and Layout
Figure 6 schematic sheet: TLE9845QX with PN-MOSFET halfbridge and On Board Debug Interface
Note: This is a very simplified example of an application circuit and bill of material. The function must be
verified in the application.
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TLE9844-2QX Application Kit User’s Manual 9 Rev. 1.0
2018-04-04
TLE9844-2QX Application Kit User’s Manual
Schematic and Layout
Figure 7 Parts placement
Note: This is a very simplified example of an application circuit and bill of material. The function must be
verified in the application.
Figure 8 Layout
Note: This is a very simplified example of an application circuit and bill of material. The function must be
verified in the application.
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TLE9844-2QX Application Kit User’s Manual 10 Rev. 1.0
2018-04-04
TLE9844-2QX Application Kit User’s Manual
Revision History
6 Revision History
Revision Date Changes
1.0 2018-04-04 Release State

Trademarks of Infineon Technologies AG
µHVIC™, µIPM™, µPFC™, AU-ConvertIR™, AURIX™, C166™, CanPAK™, CIPOS™, CIPURSE™, CoolDP™, CoolGaN™, COOLiR™, CoolMOS™, CoolSET™, CoolSiC™,
DAVE™, DI-POL™, DirectFET™, DrBlade™, EasyPIM™, EconoBRIDGE™, EconoDUAL™, EconoPACK™, EconoPIM™, EiceDRIVER™, eupec™, FCOS™, GaNpowIR™,
HEXFET™, HITFET™, HybridPACK™, iMOTION™, IRAM™, ISOFACE™, IsoPACK™, LEDrivIR™, LITIX™, MIPAQ™, ModSTACK™, my-d™, NovalithIC™, OPTIGA™,
OptiMOS™, ORIGA™, PowIRaudio™, PowIRStage™, PrimePACK™, PrimeSTACK™, PROFET™, PRO-SIL™, RASIC™, REAL3™, SmartLEWIS™, SOLID FLASH™,
SPOC™, StrongIRFET™, SupIRBuck™, TEMPFET™, TRENCHSTOP™, TriCore™, UHVIC™, XHP™, XMC™.
Trademarks updated November 2015
Other Trademarks
All referenced product or service names and trademarks are the property of their respective owners.
Edition 2018-04-04
Published by
Infineon Technologies AG
81726 Munich, Germany
© 2018 Infineon Technologies AG.
All Rights Reserved.
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IMPORTANT NOTICE
The information contained in this application note is
given as a hint for the implementation of the product
only and shall in no event be regarded as a description
or warranty of a certain functionality, condition or
quality of the product. Before implementation of the
product, the recipient of this application note must
verify any function and other technical information
given herein in the real application. Infineon
Technologies hereby disclaims any and all warranties
and liabilities of any kind (including without limitation
warranties of non-infringement of intellectual
property rights of any third party) with respect to any
and all information given in this application note.
The data contained in this document is exclusively
intended for technically trained staff. It is the
responsibility of customer’s technical departments to
evaluate the suitability of the product for the intended
application and the completeness of the product
information given in this document with respect to
such application.
For further information on technology, delivery terms
and conditions and prices, please contact the nearest
Infineon Technologies Office (www.infineon.com).
WARNINGS
Due to technical requirements products may contain
dangerous substances. For information on the types
in question please contact your nearest Infineon
Technologies office.
Except as otherwise explicitly approved by Infineon
Technologies in a written document signed by
authorized representatives of Infineon Technologies,
Infineon Technologies’ products may not be used in
any applications where a failure of the product or any
consequences of the use thereof can reasonably be
expected to result in personal injury.
Please read the Important Notice and Warnings at the end of this document