28
HCPL-316J
HCPL-316J
V
IN+
1
2
3
4
5
6
7
8
V
V
V
1
2
3
4
5
6
7
8
V
V
V
IN+
IN-
IN+
IN-
V
V
CC
CC
CC1
CC1
µC
µC
GND1
GND1
V
/
IN+
RESET
RESET
FAULT
RESET
FAULT
RESET
FAULT
FAULT
V
V
V
V
LED1+
LED1-
LED1+
LED1-
Figure 73a. Safe Hardware Reset for Non-Inverting
Input Configuration (Automatically Resets for Every
IN+
Figure 73b. Safe Hardware Reset for Non-Inverting Input
Configuration.
V
Input).
HCPL-316J
HCPL-316J
V
V
V
V
CC
CC
CC
CC
1
2
3
4
5
6
7
8
V
V
V
1
2
3
4
5
6
7
8
V
V
V
IN+
IN-
IN+
IN-
V
IN-
V
IN-
CC1
CC1
µC
µC
GND1
GND1
RESET
RESET
FAULT
RESET
FAULT
RESET
FAULT
FAULT
V
V
V
V
LED1+
LED1-
LED1+
LED1-
Figure 73c. Safe Hardware Reset for Inverting Input
Configuration.
Figure 73d. Safe Hardware Reset for Inverting Input
Configuration (Automatically Resets for Every V
Input).
IN-
User-Configuration of the
HCPL-316J Output Side
than the peak discharge current
(I < I ). For this
condition, an optional resistor
R + R = [V
– V
– (V )]
OH EE
C
G
CC2
I
ON,PEAK
OFF,PEAK
OH,PEAK
R and Optional Resistor R :
G
C
(R ) can be used along with R
= [4 V – (-5 V)]
0.5 A
C
G
The value of the gate resistor R
G
to independently determine
(along with V
and V
)
CC2
EE
I
and I
without
ON,PEAK
OFF,PEAK
determines the maximum amount
of gate-charging/discharging
using a steering diode. As an
example, refer to Figure 74.
= 18 Ω
current (I
and I
)
ON,PEAK
OFF,PEAK
Assuming that R is already
➯ R = 8 Ω
G
C
and thus should be carefully
chosen to match the size of the
IGBT being driven. Often it is
desirable to have the peak gate
determined and that the design
= 0.5 A, the value of R
I
See “Power and Layout
Considerations” section for more
information on calculating value
OH,PEAK
C
can be estimated in the following
way:
charge current be somewhat less
of R .
G
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
