STMicroelectronics Low voltage full bridge reference design board featuring L6393 advanced high-voltage gate driver EVAL EVAL6393FB 数据表
产品代码
EVAL6393FB
EVAL6393FB
Board description
Doc ID 023821 Rev 1
3/9
Table 2.
Jumper and connector description
Name
Type
Function
J1
Control signal connector
Optional control signal and external V
CC
connector
J2
Power output
Load connector
J3
Power supply
BUS power supply connector
JP1
Configuration jumper
To pull-up SD and/or BRAKE signal to V
CC
/3
JP2
Configuration jumper
To pull-up SD and/or BRAKE signal to CPOUT
JP3
Configuration jumper
To connect the on-board generated V
CC
to the supply pins
of the drivers
Table 3.
Control signal connector pinout (J1)
Pin
Type
Description
1
Power supply
Driver power supply V
CC
, open JP3 to provide externally
generated V
CC
2
Power supply
GND
3
Digital input
Driver SD signal
4
Digital input
Driver BRAKE signal
5
Analog PWM input
V
ctrl
signal; used to change current limit threshold
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
detection
TR2
Variable resistor
Used to adjust overcurrent detection threshold I
pk
I
pk
= V(CP-)/[R10//R11//R12//R13]
Table 5.
Control scheme configuration
Description
Jumper configuration
Constant off-time peak current control with slow-
decay
decay
JP1 closed on !SD and JP2 closed on !BRAKE
Constant off-time peak current control with fast-
decay
decay
JP1 closed on !SD and JP2 closed on !SD
PWM voltage control with slow-decay overcurrent
protection
protection
JP1 open, JP2 closed on !BRAKE and !SD
externally provided through J1
externally provided through J1
PWM voltage control with fast-decay overcurrent
protection
protection
JP1 open, JP2 closed on !SD and !BRAKE
externally provided through J1
externally provided through J1