Infineon TLE9879 EvalKit V1.4 Manuale utente

 
TLE9879 EvalKit V1.4 User Manual 1 
 
 
TLE9879 EvalKit V1.4 User Manual 
 
 
 
 
 
Contents 
 
TLE9879 EvalKit V1.4 User Manual .................................................................................................... 1 
1Abbreviations ........................................................................................................................ 2 
2Concept ................................................................................................................................ 3 
3Interconnects ........................................................................................................................ 4 
4Test Points ............................................................................................................................ 6 
5Jumper Settings..................................................................................................................... 7 
6Communication Interfaces ...................................................................................................... 9 
6.1 LIN (via Banana jack and uIO BSL)..........................................................................................................9 
6.2 UART (via USB).........................................................................................................................................9 
6.3 Debugging (via USB or SWD-Interface)...................................................................................................9 
7Technical Data ......................................................................................................................10 
8Optional Additional Placements..............................................................................................11 
9Changes with v1.3: Schematic ................................................................................................12 
10 Schematics and Layout..........................................................................................................13 
10.1 Schematic..............................................................................................................................................13 
10.2 Layout....................................................................................................................................................17 
 
 

TLE9879 EvalKit V1.4 User Manual 2

1Abbreviations

BLDC

Brushless Direct Current

BSL

Bootstrap Loader

GH1,2,3

Gate High side MOSFET for Phases 1, 2, 3

GL1,2,3

Gate Low side MOSFET for Phase 1, 2, 3

GPIO

General Purpose Input / Output

ISP

In-system Programmer

LIN

Local Interconnect Network

MON

Monitor

n.c.

not connected

n/u

not used

OP1

Negative operational Amplifier Input

OP2

Positive operational Amplifier Input

RST

Reset

Source Low side MOSFETs

SWD

Arm® Serial Wire Debug

TMS

Test Mode Select

UART

Universal Asynchronous Receiver Transmitter

VAREF

Reference Voltage

VBAT

Battery Voltage Supply

VCOM

Virtual COM-Port

VCP

Voltage Charge Pump

VDDC

Core Supply

VDDEXT

External Voltage Supply Output

VDDP

I/O Port Supply

VDH

Voltage Drain High side MOSFET

Battery Supply Input

VSD

Battery Supply Input for MOSFET Driver

Table 1: Abbreviations

TLE9879 EvalKit V1.4 User Manual 3

2 Concept

Figure 1: Board Concept

This board provides a simple, easy-to-use tool for getting familiar with Infineon’s Embedded Power IC

TLE9879QXA40 (further to be named: TLE9879). It contains the TLE9879 and its typical application circuit

including three MOSFET half bridges to drive a BLDC motor. The board is ready to connect with car supply or

similar and has an onboard J-Link debugger.

All relevant chip pins are connected to pin headers at the edge of the board, where signals can be probed or

applied directly (see Table 2, Table 3). By different jumper settings LEDs can be put in parallel to several ports

and selected functions can be configured (see Table 6). Push button switches allow easy hardware reset and

triggering of the MON input. There are intended test points for all six gate driver pins, for measurements at the

shunt, VDDC and several ground points on the evaluation board (see Figure 3). For testing analog signals ADC

inputs can be varied by the potentiometer on board. Three phases of motor current can be picked off at a

terminal block to connect a DC brushless motor.

The evaluation board can be operated by standard laboratory equipment as power supply and LIN

communication are working via banana jacks. Debugging and UART are provided via an USB interface combined

with an onboard Segger J-Link (XMC4200). Bidirectional level shifters ensure that the respective XMC pins are in

tristate as long as UART or debugging is not used.

An SWD interface is available to use another ISP than the onboard J-Link. To program the TLE9879 via LIN there

is an additional uIO BSL interface (see Table 4). There is a battery LED that indicates that the board is supplied

the right way. Otherwise reverse polarity protection secures the board from damage by cross connection.

TLE9879 EvalKit V1.4 User Manual 4

3 Interconnects

Figure 2: Interconnects

Banana jacks (marked yellow)

There are jacks in different colors for ground, supply (max.28V) and LIN communication via banana jack: GND

(black), VBAT (red), LIN (green)

Pin Ports X4 and X5 (marked red)

Soldering pin headers with 2,54mm pitch for X4 (1x10) and X5(1x16) yields test points for the TLE9879 pins. The

following signals are connected to the pins:

X4:

GND

VCP

VSD

VDH

LIN

VDDEXT

VDDP

VAREF

GND

Table 2: Pin Configuration Top Line Pin Port (X4)

X5:

GND

MON

RST

P0.0

P1.1

P0.1

P0.2

P0.3

P1.2

P1.0

P1.3

P1.4

P0.4

P2.3

P2.4

P2.5

Table 3: Pin Configuration Bottom Line Pin Port (X5)

Terminal block for connecting the motor (marked blue)

The three pins of the terminal block provide access to the three half bridges and are intended to connect a DC

brushless motor.

USB for UART and Debugging (marked green)

With this Micro USB PC and evaluation board can get connected.

TLE9879 EvalKit V1.4 User Manual 5

uIO BSL for LIN (marked orange)

For the uIO bootstrap loader an 8 pin header (2 x 4) with 2.54 mm pitch is placed on the board.

It is intended to connect additional hardware for bootstrap loading. This uIO interface can be used to program

the TLE9879 via LIN (see www.infineon.com/uio).

Table 4: Pin Configuration onboard uIO BSL

Pin Header for SWD (marked purple)

There is a 10 pin header (2x5) with 1,27mm pitch on the evaluation board. For debugging with another ISP than

the onboard Segger this interface can be used.

DBPRE will be implicitly connected to GND by connecting the external ISP. This keeps the XMC in reset state to

prevent interference of the SWD communication.

Table 5: Pin Configuration SWD Interface

5 V 1 2

3 4

5 6

7 8

GND

n.c.

SWDIO (TMS)

SWCLK (P0.0)

n.c.

910DBPRE RESET

LIN

RESET

GND

TLE9879 EvalKit V1.4 User Manual 6

4Test Points

Figure 3: Test Points

The 3-phase power half-bridge is controlled by six gate driver pins, drivingthe gates of high side MOSFET and low

side MOSFET for each phase. Each gate has an intended test point to measure the respective signals at high side

gates and low side gates (GL1, GL2, GL3, GH1, GH2, GH3).

Test points OP1 and OP2 are provided at both sides of the shunt, which is 5mR.

Additionally, there is an intended test point for VDDC and various ground points.

All test points marked in the following figure are not populated. In order to use these pins, they have to be

soldered in the designated solder holes.

GL3 GH3

OP2

OP1

GH2

GL1

GND

GL1 GH1

VDDC

GND

TLE9879 EvalKit V1.4 User Manual 7

5Jumper Settings

The following table summarizes the jumpers’ options. More information can be found in the text below.

JP1

Enable or disable MON button

JP2

Enable or disable RESET button

JP3

Select TLE9879 as LIN Master or LIN Slave

JP4

Connect or disconnect VAREF with VDDEXT

JP5

Replace by an ampere meter to measure input current

JP6

Enable or disable POTI

JP7

Enable or disable LED for respective GPIO

Table 6: Jumpers’ functionalities

Figure 4: Jumpers

JP1 JP2

JP3

JP4

JP5

JP6

JP7

TLE9879 EvalKit V1.4 User Manual 8

JP1: Close this jumper to connect MON button to MON input. Open it to disconnect MON button from MON input.

JP2: Close this jumper to connect RESET button to RESET input. Open it to disconnect RESET button from RESET

input.

JP3: Close this jumper to connect an additional 1k pull-up resistor. This is intended for LIN master

communication. Open the jumper to use the TLE9879 as slave in a LIN network. Software for LIN low level driver

can be found at the homepage of IHR (www.ihr.de).

JP4: Close this jumper in order to supply VAREF by VDDEXT. In case VAREF is supplied externally the user has to

take care by software that the internal VAREF is disabled. Open the jumper to use the internal VAREF which has

to be enabled by software.

JP5: This jumper is closed by default. If this jumper is left open the device is not supplied. It is intended to open

the VS line in order to measure the current flowing into the TLE9879.

JP6: Close this jumper to connect the potentiometer to P2.4. Open this jumper to disconnect the potentiometer.

JP7:Jumper 7 provides one individual jumper per LED in order to connect or disconnect the respective LED to

the pin port.

P0.1

P0.2

P0.3

P1.2

P1.0

P1.3

P1.4

P0.4

LED1

LED2

LED3

LED4

LED5

LED6

LED7

LED8

Table 7: Combinations of GPIOs and LEDs

TLE9879 EvalKit V1.4 User Manual 9

6Communication Interfaces

6.1 LIN (via Banana jack and uIO BSL)

The device integrated LIN transceiver is connected to a banana jack and also to the uIO BSL interface. 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.infineon.com/uio.

6.2 UART (via USB)

A virtual COM port provided by Segger driver enables a PC –board –communication via UART. The UART2 module

of TLE9879 uses the pins P1.1 (transmit) and P1.2 (receive). Those are connected to the XMC4200, which emulates

Rx and Tx on PC side with Segger firmware. Though they cannot 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 port used will show up in the Microsoft®Windows®device manager.

Figure 5: 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.

6.3 Debugging (via USB or SWD-Interface)

For serial wire debug the TLE9879 uses the pins TMS (data) and P0.0 (clock). Level shifters between XMC4200 and

TLE9879 allow using P0.0, while it is not used for debugging.

The onboard J-Link module allows serial wire debugging via USB. An SWD interface is available in order to debug

with another ISP than the onboard J-Link e.g. U-Link2. Therefore, the signals are routed through the 10 pin

header SWD interface between the XMC4200 and the TLE9879. The pin configuration makes sure that the XMC is

hold in reset while another debugger is physically connected as DBPRE will be implicitly connected to GND by

connecting the external ISP (see Table 5).

TLE9879 EvalKit V1.4 User Manual 10

7Technical Data

Platine Size

110x66 mm

Voltage supply

max. 28V

Motor current

max. 20 A

Pin ports

5 V (GPIOs of TLE9879)

Table 8: Technical Data

Indice

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