EVAL6393FB

Board description

Doc ID 023821 Rev 1

3/9

Table 2.

Jumper and connector description

Name

Type

Function

J1

Control signal connector

J2

Power output

Load connector

J3

Power supply

BUS power supply connector

JP1

Configuration jumper

JP2

Configuration jumper

To pull-up SD and/or BRAKE signal to CPOUT

JP3

Configuration jumper

of the drivers

Table 3.

Control signal connector pinout (J1)

Pin

Type

Description

1

Power supply

2

Power supply

GND

3

Digital input

Driver SD signal

4

Digital input

Driver BRAKE signal

5

Analog PWM input

6

Digital input

DIR signal; sets current direction

Table 4.

Current peak detection settings

Pin

Type

Description

TR1

Variable resistor

Used to adjust constant off-time duration after overcurrent

detection

TR2

Variable resistor

Table 5.

Control scheme configuration

Description

Jumper configuration

Constant off-time peak current control with slow-

decay

JP1 closed on !SD and JP2 closed on !BRAKE

Constant off-time peak current control with fast-

decay

JP1 closed on !SD and JP2 closed on !SD

PWM voltage control with slow-decay overcurrent

protection

JP1 open, JP2 closed on !BRAKE and !SD

externally provided through J1

PWM voltage control with fast-decay overcurrent

protection

JP1 open, JP2 closed on !SD and !BRAKE

externally provided through J1