Infineon Technologies TLE9845 Bedienungsanleitung

PN Application Kit User’s Manual 1 Rev. 1.0

www.infineon.com/TLE984x 2017-04-07

TLE9845 Application Kit PN User’s Manual

Product Family: TLE984xQX

Figure 1 TLE9845QX Application Kit with PN-Halfbridge

About this document

Scope and purpose

The TLE9845_APPKIT_PN is designed to evaluate hardware and software functionalities of the

TLE9845QX in an application similar designed shape.

The p- and n-channel MOSFETs are placed in halfbridge connection to drive DC motors unidirektionally.

This documentation describes the basic use of the TLE9845_APPKIT_PN, a TLE9845 32-bit ARM Cortex M0

Core, its functionality and how to get started with an application running on the evaluation board.

Note: This Evaluationboard is not optimized for EMC behavior.

Intended audience

This Document is for everyone who works with the TLE9845_APPKIT_PN

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About this document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1 Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Interconnections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Communication Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 LIN and uIO for LIN BSL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2 UART (Virtual COM PORT via USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.3 SWD-Debuginterface (J-Link via USB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

4 Software Toolchain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.1 Keil µVision 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.2 Infineon Config Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.3 TLE9845QX Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.4 Debug Connection Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4.5 GUI Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.5.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.5.2 Open the GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

4.5.3 Connecting to the TLE9845 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

5 Schematic and Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table of Contents

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Concept

1 Concept

Figure 2 PN Applikation Kit Concept

The TLE9845_App_Kit_PN provides an application near circuit to evaluate unidirectional DC motors. The

active PN-halfbridge can be used to evaluate motor connected to GND applications.

The TLE9845QX device is placed underneath the DC-link capacitor. The board is protected against reverse

polarity of input voltage supply.

A PN-channel MOSFET halfbridge is connected to the integrated highside and lowside switches of the

TLE9845QX Device.

In addition a highside current sense resistor is placed with an external operational amplifier.

It is connected to the ADC1 (P2.3).

The Application Kit provides a breakable 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 (Motor connected to GND)

• Overcurrent Protection (external highside Shunt)

• Drain-Source-Monitoring (Differential Unit)

• USB-Communication and Debug-Interface (USB-Connector)

• Demo-Application Code and Graphical User Interface (GUI)

•LIN-PWMExampleCode(PWM Genrator with GUI)

MON4

MON1

TLE9845QX

Break Edge

Onboard

Debug

USB

ARM Cortex M0

M+

MOTOR -

MOTOR +

M-

VBAT

TMS

P0.0

RESET

P1.0 TXD

P1.1 RXD

LIN/

PWM

RESET Button

Breakable

Debug Board

TLE9845QX Application Board

with LIN/PWM connection

P2.3

Reverse Polarity

Protection

High Side Current Measurement

with external Opamp

PN-Half Bridge

Input Filter

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Interconnections

2 Interconnections

Figure 3 Interconnections Overview

2.5mm Screw Nut Connectors

Ground, voltagesupply (operating Voltage is documented in the datasheet) can be connected via 2.5mm

Screw Nuts.

Motor contacts can also be accessed with 2.5mm screws. MOTOR(+) has a seperate connector. MOTOR(-) is

shared with the GND connector.

LIN/PWM Connector

This connector is a direct access to the LIN/PWM Interface of the TLE9845QX. After Breaking the Debug-

Interface. BSL-Mode can be used to perform programm updates via LIN Interface Chapter 3.

USB

An Onboard-debugger is implemented on the TLE9845QX Appkit. The USB-Connection provides a Debug- and

Serial-interface to the PC. More information in Chapter 3.3.

SWD Interface

The SWD PIN-Header can be used optionally, instead of using the On-Board Debug Interface.

Batterie Voltage

Connector

SWD Interface

USB Interface

LIN/PWM

Connector

Motor(-), GND Connector

Motor(+) Connector

Brake Edge

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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 TLE9845QX 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 TLE9845QX 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

For a proper Flash and Debug Connection, Install V5.10 (or newer) 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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Software Toolchain

4.5 GUI Description

4.5.1 General

The GUI (General User Interface) is a comfortable tool to control the functionality of the TLE9845 device over

an USB interface.

The GUI-software was written in the programming language C# with MS Visual Studio 2015. The software will

run under Windows 7, Windows 8 and Windows 10.

4.5.2 Open the GUI

The graphical user interface is shown in Figure 6. It can be downloaded at www.infineon.com/TLE984x.

Figure 6 WindowsApplication_PN_130 GUI: Unconnected

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Software Toolchain

4.5.3 Connecting to the TLE9845 Device

Click on Refresh and select the COM PORT. Press Connect:

Figure 7 WindowsApplication_PN_130 GUI: Connected

The PN_Appkit is now connected and can be controlled. The GUI gives analog information over the average

current, measured at the Shunt resistor and the Supply Voltage.

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Schematic and Layout

5 Schematic and Layout

Figure 8 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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Schematic and Layout

Figure 9 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.

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