EVAL6235Q [STMICROELECTRONICS]

3-phase BLDC motor driver mounting the L6235Q; 三相BLDC电机驱动器安装L6235Q


型号：	EVAL6235Q
厂家：	ST
描述：	3-phase BLDC motor driver mounting the L6235Q 三相BLDC电机驱动器安装L6235Q 驱动器电机
文件：	总9页 (文件大小：1800K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

EVAL6235Q

3-phase BLDC motor driver mounting the L6235Q

Data brief

Features

■ Voltage range from 8 V to 52 V

■ Phase current up to 2.5 Ar.m.s.

■ Adjustable PWM current control OFF-time

■ Logic inputs 5 V / 3.3 V compliant

■ Hall sensor inputs

■ External speed loop

■ Small application footprint with high thermal

performance

■ Suitable for use in combination with

AM12699v1

PractiSPIN™ 2 software

Description

The EVAL6235Q is a 3-phase BLDC motor driver

board that allows the user to test the L6235Q

functions.

The board can be driven using the STEVAL-

PCC009V2 communication board and the

PractiSPIN 2 evaluation software.

April 2012

Doc ID 023062 Rev 1

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For further information contact your local STMicroelectronics sales office.

www.st.com

Board description

EVAL6235Q

Board description

Table 1.

EVAL6208Q electrical specifications

Parameter

Value

Supply voltage (VS)

8 to 52 V

2.5 Ar.m.s.

0 V

Maximum output current (each phase)

Low level logic input voltage

High level logic input voltage

5 V / 3.3 V ⁽¹⁾

Maximum VREF input voltage (J2 connector)

Switching frequency

3.3 V

Up to 100 kHz

- 25 to +125 °C

TBD

Operating temperature

L6235Q thermal resistance junction-to-ambient

1. Logic inputs are 3.3 V and 5 V compliant.

Figure 1.

Trimmer, jumper and connector locations

Power supply connector

(8 V - 52 V)

J4: DIAG to EN

pin connection

3ph BLDC motor

connector

Control board

connector

J6: VREF source selection

1-2 = J3 conn. (default), 2-3 = J8 conn.

J2:

External speed loop

connector

and pull-ups voltage selection

1-2 = 3.3 V (default), 2-3 = 5 V

connector

OFF time regulation

AM12700v1

2/9

Doc ID 023062 Rev 1

EVAL6235Q

Board description

Table 2.

Control board connector pinout (J3)

Type

Function

Power supply

Ground

5 V supply voltage

Ground

Logic output

Logic input

Logic output

Logic input

Analog input

Ground

Hall effect H1 signal (H1 input of L6235Q)

Direction input (FW/REV input of L6235Q)

Hall effect H3 signal (H3 input of L6235Q)

Motor brake input (BRAKE input of L6235Q)

Reference voltage for current control system

Ground

Others

Supply voltage

Logic output

Logic input

Ground

3.3 V supply voltage

Hall effect H2 signal (H2 input of L6235Q)

Device enable input (EN input of L6235Q)

Ground

Analog output

Ground

Board identification system ID0

Board identification system ID1

Ground

Logic output

Logic input

Unconnected

Fault output (DIAG output of L6235Q)

Hall effect H2 signal (H2 input of L6235Q)

Table 3.

Hall effect sensors connector pinout (J7)

Type

Function

Logic input

Hall effect H1 signal (H1 input of L6235Q)

Hall effect H2 signal (H2 input of L6235Q)

Hall effect H3 signal (H3 input of L6235Q)

Power supply Hall effect sensor supply voltage VDD (selected through J2 jumper)

Ground Ground

Table 4.

External speed loop connector pinout (J8)

Type

Function

Logic output

Analog output

Analog input

Power supply

Ground

TACHO output from L6235Q

Speed loop reference voltage from J3 connector

Speed loop output to L6235Q VREF pin ⁽¹⁾

Supply voltage VDD (selected through J2 jumper)

Ground

1. The J6 jumper must be properly set (closed 2-3).

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Board description

Figure 2.

EVAL6235Q

EVAL6235Q - schematic

AM12701v1

4/9

Doc ID 023062 Rev 1

EVAL6235Q

Board description

Package

Table 5.

EVAL6235Q - bill of material

Index Quantity

Reference

Value

C2, C6

C3, C5

220 nF / 16 V

100 nF / 4 V

CAPC-0603

CAPC-0805

CAPES-R10H10

CAPE-R8H12-P35

CAPC-0805

CAPC-0603

SOT23

100 nF / 100 V

100 µF / 63 V

100 µF / 63 V (option)

10 nF / 100 V

5.6 nF / 6V3

C4A

68 nF / 6V3

C10

C11

820 pF / 6V3

10 nF / 6V3

BAV99

Screw connector 2 poles

Jumper - close 12

MORSV-508-2P

JP3SO

J2, J6

Pol. IDC male header

vertical 30 poles

CON-FLAT-15X2-180M

Jumper - close

JP2SO

MORSV-508-3P

STRIP254P-M-5

RESC-0603

TRIMM-100x50x110-64W

RESC-2512

RESC-0603

Screw connector 3 poles

J7, J8

Pin strip header 1x5 poles

10 kΩ / 1%

23.2 kΩ / 1%

0 Ω

100 kΩ

R6, R12

4.3 kΩ

100 Ω

1 kΩ

R9, R15, R16, R17, R18

10 kΩ

R10

R11

47 kΩ

100 kΩ

R13, R14

R19, R20

TP1

0.4 Ω / 1 Ω

56 kΩ

TPTH-RING-1 mm red

TPTH-RING-1 mm black

L6235Q

TP2, TP3

QFN7x7_48

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Board description

Figure 3.

EVAL6235Q

EVAL6235Q - layout (silk screen)

EVAL6235Q - layout (top layer)

EVAL6235Q - layout (inner layer 2)

Doc ID 023062 Rev 1

AM12702v1

AM12703v1

AM12704v1

Figure 4.

Figure 5.

6/9

EVAL6235Q

Board description

Figure 6.

EVAL6235Q - layout (inner layer 3)

AM12705v1

Figure 7.

EVAL6235Q - layout (bottom layer)

AM12706v1

Doc ID 023062 Rev 1

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Revision history

EVAL6235Q

Revision history

Table 6.

Date

11-Apr-2012

Document revision history

Revision

Changes

Initial release.

8/9

Doc ID 023062 Rev 1

EVAL6235Q

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