Texas Instruments DRV2511Q1EVM Manuale utente

SLOU448–June 2016

DRV2511Q1EVM Haptic Solenoid Driver Evaluation Kit

User's Guide

SLOU448–June 2016

DRV2511Q1EVM Haptic Solenoid Driver Evaluation Kit

ABSTRACT

The DRV2511-Q1 is an automotive qualified, high-efficiency, haptic solenoid driver that can provide up to

8 A of output current drive. The driver simplifies the design of solenoid control for haptic effects and

reduces the total solution size. This evaluation kit provides an easy way to test any solenoid with pre-

loaded or customizable waveforms to achieve different haptic effects. The EVM board includes the

following:

• MSP430 MCU

• On-board EEPROM

• Selectable external analog inputs or pre-loaded/customizable PWM waveforms

• EMC Filter

• Small footprint (70 mm × 75 mm)

Evaluation Kit Contents:

• DRV2511Q1EVM evaluation board

• Firmware preloaded onto on-board EEPROM

• Downloadable Haptics Control Console to control EVM

• Micro USB cable

The following is required for programming and advanced configuration:

• Code Composer Studio™ (CCS) or IAR Embedded Workbench IDE for MSP430

• MSP430 LaunchPad (MSP-EXP430G2), or MSP430-FET430UIF hardware programming tool

• DRV2511Q1EVM firmware available on DRV2511Q1EVM tool folder

Figure 1. DRV2511Q1EVM Board

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WARNING: EXPORT NOTICE

Recipient agrees to not knowingly export or re-export, directly or indirectly, any product or technical data

(as defined by the U.S., EU, and other Export Administration Regulations) including software, or any

controlled product restricted by other applicable national regulations, received from Disclosing party under

this Agreement, or any direct product of such technology, to any destination to which such export or re-

export is restricted or prohibited by U.S. or other applicable laws, without obtaining prior authorization from

U.S. Department of Commerce and other competent Government authorities to the extent required by

those laws. This provision shall survive termination or expiration of this Agreement. According to our best

knowledge of the state and end-use of this product or technology, and in compliance with the export

control regulations of dual-use goods in force in the origin and exporting countries, this technology is

classified as follows:

US ECCN: 3E991

EU ECCN: EAR99

Technology may also require export or re-export license for shipping it in compliance with the applicable

regulations of certain countries.

USB MSP430 DRV2511

4.5 V – 26 V

IN+

IN-

OUT+

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Getting Started

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DRV2511Q1EVM Haptic Solenoid Driver Evaluation Kit

Cautions and Warnings

Warning! Do not leave EVM powered when unattended.

Warning Hot Surface! Contact may cause burns. Do not touch. Please take the proper precautions when

operating.

1 Getting Started

The DRV2511Q1EVM provides an evaluation of platform for different solenoids and driving waveforms. It

can also be used as a demonstration board allowing access to both the MSP430 and DRV2511-Q1

through multiple test points. Input type can be controlled using the Haptics Control Console for the

DRV2511Q1EVM. The input is generated by an MSP430F5510 by using PWM signals. The EVM also has

the option for the DRV2511-Q1 to receive inputs externally through the jumpers available on the board if

necessary. Figure 2 below is the block diagram:

Figure 2. EVM System Block Diagram

Getting Started

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1.1 Powering the Board

To power the board, connect the DRV2511Q1EVM to an available USB port on your computer using the

included Micro-USB cable. When USB power is applied, the TL760M33Q will take the 5-V supply voltage

down to a regulated 3.3 V. The green 3.3-V LED will turn on and the MSP430 will be powered on. To

power the DRV2511-Q1, external power must be supplied through header J5. The driver will power on

when the external power supply provides at least 4.5 V.

1.2 Quick Start Board Setup

The DRV2511Q1EVM comes preprogrammed to use with Haptics Control Console. Figure 3 below is a

screenshot of Haptics Control Console:

Figure 3. Haptics Control Console

1. Out of the box, the on-board MSP430 is set to receive commands from Haptics Control Console

through the USB.

2. Use the included Micro-USB cable to connect the DRV2511Q1EVM board to an available USB port on

a computer. The green 3.3-V LED will turn on and the MSP430 will be powered.

3. Once the latest version of Haptics Control Console has opened, and the device is connected to your

computer, you will see that the USB tab will read out '0.TI DRV2511Q1 EVM v1.[version]'. When

Haptics Control Console has recognized the DRV2511Q1EVM, press 'Connect' to access the device

Console window.

3.3 kΩ 3.3 kΩ

3.3 kΩ

0.22 µF

IN+

J10

GND

GND GND GND

PWM+

DRV2511Q1

FROM

MSP430 1 2

3.3 kΩ 3.3 kΩ

3.3 kΩ

0.22 µF

IN-

GND

GND GND GND

PWM-

FROM

MSP430 1 2

IN+

IN-

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Getting Started

SLOU448–June 2016

DRV2511Q1EVM Haptic Solenoid Driver Evaluation Kit

1.3 Configuring the Input

Out of the box, the jumpers are set to connect a USB cable for microcontroller power, and drive the

DRV2511-Q1 inputs from an MSP430 through a 2nd order low pass filter. Table 1 shows the summary of

the possible configurations for the input signal:

Table 1. Input Jumper Configurations

Jumper Default Position Description

J9 Open (+) bypass 2nd order filter (When Shorted)

J6 Open (–) bypass 2nd order filter (When Shorted)

J10 Short Pin 1-2 (+) PWM from MSP430

J8 Short Pin 1-2 (–) PWM from MSP430

Figure 4. Input 2nd Order Filter

As seen above in Figure 4, J9 & J6 provide the user the option to filter the input signal (IN+ or IN-) coming

from either the MSP430 or external source. If an external input is used, remove the jumper that is

connected to the MSP430 (Pin 1 on J10 & J8) in order to avoid potential damage to the MCU.

When using an external input, the 2nd order filter is utilized by connecting the input signal to Pin 2 of J10

& J8 (assuming J9 and J6 are open). To bypass the 2nd order filter, connect the external input signal

directly to Pin 2 of J9 & J6, or connect the external input signal to Pin 2 of J10 & J8, and short jumpers J9

and J6.

1.4 1.4 Connecting a Load

To begin, caution is advised as the DRV2511-Q1 is a high-current device that can provide up to 8 A of

output current drive. Also, solenoids can become hot after extended use. Be conscious of the current and

temperature ratings of the solenoid, as application of pulses and waveforms for an extended period can

cause damage to the solenoids.

1. With the power supply off, connect either ± terminals on header J7 of the DRV2511Q1EVM to the

solenoid. Polarity only matters if you are using a polarized solenoid. Typical solenoids are not

polarized.

Overview of EVM

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DRV2511Q1EVM Haptic Solenoid Driver Evaluation Kit

2. Once the connection is made and no interrupts have been triggered, inputs can be applied. Refer to

the solenoids datasheet to operate within the recommended specifications.

2 Overview of EVM

This section provides a description of each of the blocks identified in the diagram from Figure 2.

2.1 DRV2511-Q1

The DRV2511-Q1 is an automotive qualified high-current haptic driver, specifically designed for inductive

loads. Please see the DRV2511-Q1 datasheet for more in depth information.

2.2 MSP430F5510

An onboard MSP430F5510 is used to control input signals to the DRV2511-Q1 and the as well as

communicate through USB to Haptics Control Console. See the Haptics Control Console section for more

information about the interface.

2.3 TL760M33Q

This automotive-grade, fixed-output LDO converts the incoming 5 V from USB down to 3.3 V for the

MSP430.

2.4 Haptics Control Console

Haptics Control Console allows the user to control the inputs to the DRV2511-Q1 using the on-board

MSP430. The user can also control the DRV2511-Q1 enable pin, standby pin, and output switching

frequency.

As seen in Figure 5 below, the console contains a set of controls to manipulate the PWM Input Frequency,

PWM Voltage Percentage, and duration of the PWM signal.

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Overview of EVM

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DRV2511Q1EVM Haptic Solenoid Driver Evaluation Kit

Figure 5. DRV2511Q1EVM Haptics Control Console

2.4.1 PWM Input Frequency

In the Standard Drive tab, the PWM input frequency can be changed using either a slider bar or by

manually entering a frequency value. The minimum frequency is 1 Hz and the maximum frequency can be

up to 65 kHz. The optimum frequency for solenoid operation is less than 200 Hz.

2.4.2 PWM Voltage Percentage

PWM Voltage Percentage selects the max input range to the DRV2511-Q1. The full scale output voltage

of the MSP430 is in the range of 3.3 V.

Hardware Configuration

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2.4.3 PWM Signal Control

Located below the input Enable/Disable on the bottom right of Figure 5, the user has the ability to select

duration of the PWM input signal coming from the MSP430. The PWM signal can be driven continuously,

in pulses (with control of on and off time), or with a single pulse (with control of the pulse duration). The

control mode can be changed by clicking on the "continuous" button that will dynamically change to the

type of signal control selected.

2.4.4 Settings

In the settings section, the user can control the internal oscillator frequency, enable pin, and Hi-Z pin. To

operate the device be sure to have the enable pin high and Hi-Z pin low.

3 Hardware Configuration

The DRV2511Q1EVM can be used to completely evaluate the DRV2511-Q1. The following sections list

the various hardware configurations.

3.1 Input, Output, & Communication Overview

The DRV2511Q1EVM allows complete evaluation of the DRV2511-Q1 through test points, jacks, and

connectors. Table 2 provides a brief description of the hardware.

Table 2. Hardware Overview

Signal Description I/O

VIN External Supply Power (4.5 V - 26 V) Input

USB USB power (5 V) Input

IN+/IN- J10 (Pin2) Positive differential input; J9 bypass 2nd order filter (When shorted)

J8 (Pin2) Negative differential input; J6 bypass 2nd order filter (When shorted) Input

OUT+/OUT– J7 Output to Inductive Load Output

OUTP/OUTN Output test points for observation, connect to oscilloscope or measurement

equipment Output

FSR Force Sensing Resistor Input Input

I2C MSP430 I2C bus Input/Output

SBW MSP430 programming header Input/Output

TDO JTAG data output Output

TCLK System input clock Input

TMS Signal to control the JTAG state machine Input

TCK JTAG clock input Input

FAULT General fault reporting: Over-temp, DC Detect, Open Drain Fault = High, normal

operation; Fault = Low, Fault Condition LED

DRVON DRV Enable = LED On; DRV Disable = LED Off LED

INPUT ON MSP430 PWM input enabled = LED On

MSP430 PWM input disabled = LED Off LED

3.3 V MSP430 Powered On/Off LED

3.2 Power Supply Overview

The DRV2511Q1EVM relies on USB and an external power supply to operate completely. Refer to

Table 3 for the power supply configurations.

Table 3. Power Supply Configuration

Parameter Source Supply Voltage Range

MSP430 Micro-USB 5.0 V (LDO drops it down to 3.3 V)

DRV2511-Q1 J5 Terminal Block 4.5 V to 26 V

100 k

470 pF 470 pF

OUT

OUT- OUT+

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Hardware Configuration

SLOU448–June 2016

DRV2511Q1EVM Haptic Solenoid Driver Evaluation Kit

3.3 PWM, Analog and Single-Ended Inputs

By default, the DRV2511Q1EVM uses the MSP430 PWM input mode with a 2nd order low-pass filter. This

section describes each input mode and the modifications necessary for operation of each.

The DRV2511Q1EVM supports two input modes for driving the DRV2511-Q1:

• PWM input using MSP430: In this mode, the onboard MSP430 generates a PWM waveform that is

sent through the 2nd order low-pass input filter to the DRV2511-Q1.

• External analog input: An external source supplies an analog waveform to the INPUT header. The low-

pass input filter can be bypassed as described in Section 1.3.

– Single Ended Inputs: Connect the external analog input to either Pin 2 of J8 or J10. Refer to

Section 1.3 for more detailed input configuration.

– Differential Input: Connect the external analog inputs across J8 and J10 using Pin 2 on each

jumper. Refer to Section 1.3 for more detailed input configuration.

3.4 Gain Setting and Master / Slave

The gain of the DRV2511-Q1 is set by the voltage divider connected to the GAIN control pin. An internal

ADC is used to detect the four input states. The four states set the DRV2511-Q1 with gains of 20 dB, 26

dB, 32 dB, and 36 dB respectively. The gain setting is latched during power-up and cannot be changed

while the device is powered. Table 4 shows the recommended resistor values for each mode and gain

combination:

(1) Resistor tolerance should be 5% or better.

(2) R40 resistor is 0603

(3) R41 resistor is 0805

Table 4. Gain Settings

GAIN R40 (to VREG)(1)(2) R41 (to GND)(1)(3) INPUT IMPEDANCE

20 dB OPEN 20 kΩ60 kΩ

26 dB 100 kΩ20 kΩ30 kΩ

32 dB 100 kΩ39 kΩ15 kΩ

36 dB 75 kΩ47 kΩ9 kΩ

4 Measurement and Analysis

The DRV2511-Q1 uses PWM modulation to create the output signal for both solenoids and voice coils. To

measure the output signals, connect an oscilloscope or other measurement equipment to the filtered

output test points, “OUT+” and “OUT-”.

Figure 6. Terminal Blocks and Test Points

The DRV2511-Q1 PWM modulation frequency is set by default at 400 kHz. Solenoids and voice coils do

not operate at this high of frequencies and will only be affected by the modulated output waveform. For

measurement purposes, the output waveform needs to pass through a low-pass filter with a cutoff

frequency around 3.38 kHz. If the DRV2511Q1EVM filter is not used, TI recommends using a first-order,

low-pass filter with a cutoff between 1 kHz and 3.5 kHz.

GND

I2C

GND

P6.0/CB0/A0 1

P6.1/CB1/A1 2

P6.2/CB2/A2 3

P6.3/CB3/A3 4

P5.0/A8/VEREF+ 5

P5.1/A9/VEREF- 6

AVCC1

P5.4/XIN 8

P5.5/XOUT 9

AVSS1 10

DVCC1

11 DVSS1 12

VCORE

P1.0/TA0CLK/ACLK

P1.1/TA0.0

P1.2/TA0.1

P1.3/TA0.2

P1.4/TA0.3

P1.5/TA0.4

P1.6/TA1CLK/CBOUT

P1.7/TA1.0

P2.0/TA1.1

PJ.0/TDO 23

PJ.1/TDI/TCLK 24

PJ.2/TMS 25

PJ.3/TCK 26

DVSS2 27

DVCC2

P4.0/PM_UCB1STE/PM_UCA1CLK

P4.1/PM_UCB1SIMO/PM_UCB1SDA

P4.2/PM_UCB1SOMI/PM_UCB1SCL

P4.3/PM_UCB1CLK/PM_UCA1STE

P4.4/PM_UCA1TXD/PM_UCA1SIMO

P4.5/PM_UCA1RXD/PM_UCA1SOMI

P4.6/PM_NONE

P4.7/PM_NONE

VSSU 37

PU.0/DP 38

PUR 39

PU.1/DM 40

VBUS

VUSB

V18

AVSS2 44

P5.2/XT2IN 45

P5.3/XT2OUT 46

TEST/SBWTCK 47

RST/NMI/SBWTDIO 48

QFN PAD 49

MSP430F5510IRGZR

GND

27.0

R24

D-

D+

PWM+

PWM-

0.1µF

C13

0.1µF

C12

0.22µF

0.47µF

GND

3.3V

47pF

GND

0.1µF

C11

3.3k

R26

3.3k

R27

1.00k

R33

5V-USB

D+

D-

GND

GND GND GND

GND GND

5V-USB

GreenD4

DRV ON

499

R37

SDA 5

3A1

VSS 4

SCL 6

VCC 8

PAD

SCL

SDA

FSR

220pF

1.00k

R12 ADC

AV+

V-

U2A

LM358AD

R14

R10

DNP

GND GND

3.3V

3.3V 3.3V

SDA

SCL

EN-MSP

100k

R16

GND

1.00k

R15

GND

INT

3.3V

SDA

SCL

FS1

FS2

FS0

STDBY

FSR

GND

5V-USB

BSL

100

R32

1.40k

R30

1.0M

R31

GND

TP6 TDO

TP7 TCLK

TP8 TMS

TP9 TCK

1.00k

R34

1.00k

R35

GND

100k

R20

3.3V

RedD1

FAULT

499

R22

3.3V

TO DUT

IO1

1IO2

GND 3

IO3 4

IO4 5

VCC

TPD4E004DRYR

D+

D-

R13

Green

3.3V

499

R38

3.3V

GND

18pF

C38

GND

18pF

C39

SBW

SBWTCK

SBWTDIO

GND

9.76k

R36

3.3V

SBWTDIO

SBWTCK

DRV-ON

TDO

TCLK

TMS

TCK

FAULT-LED

ADC

PUR

INPUT-ON

FS1

FROM DUT

TP1

P1.0

TP2

P1.1

0.1µF

C28

GND

3.3V

0.1µF

C29

GND

5V-USB

PVDD

SEL

GND

ADC

GND

1OUT 3

TL760M33QKVURQ1

3.3V

10µF

GND

5V-USB

0.1µF

C40

GND

R19

DNP DNP

R23

GND

10µF

GND

0.1µF

C30

GND

VUSB

27.0

R29

R25

1.00k

R28

DNP

GND

Shutdown 1.2k

R21

GND

9.76k

R43

3.3V

P1.1

100k

3.3V

FS2

FS0

VBUS

D-

D+

GND

USB-IN

TP3

GND

TP4

GND

TP5

GND

PWM+ TO

PWM- INPUT FILTER

GreenD5

INPUT ON

499

R39

4.7µF

3 4

24MHz

Reference

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DRV2511Q1EVM Haptic Solenoid Driver Evaluation Kit

5 Reference

This section includes the DRV2511Q1EVM schematic, PCB Layout, and bill of materials.

5.1 Schematics

Figure 7. DRV2511-Q1 Schematic 1

Indice

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