參數(shù)資料
型號： HCPL-316J
英文描述： 2.0 Amp Gate Drive Optocoupler with Integrated (V CE ) Desaturation Detection and Fault Status Feedback(帶集成不飽和檢測和誤差反饋的2.0 Amp門驅(qū)動耦合器)
中文描述： 2.0安培門極驅(qū)動光電耦合器與集成（五長官）飽和檢測與故障狀態(tài)反饋（帶集成不飽和檢測和誤差反饋的2.0安培門驅(qū)動耦合器）
文件頁數(shù)： 24/32頁
文件大小： 503K
代理商： HCPL-316J
24
DESAT Pin Protection
The freewheeling of flyback
diodes connected across the
IGBTs can have large
instantaneous forward voltage
transients which greatly exceed
the nominal forward voltage of
the diode. This may result in a
large negative voltage spike on
the DESAT pin which will draw
substantial current out of the IC if
protection is not used. To limit
this current to levels that will not
damage the IC, a 100 ohm
resistor should be inserted in
series with the DESAT diode. The
added resistance will not alter the
DESAT threshold or the DESAT
blanking time.
value of 15 kV/
μ
s. The added
capacitance does not increase the
fault output delay when a
desaturation condition is
detected.
Pull-up Resistor on FAULT Pin
The FAULT pin is an open-
collector output and therefore
requires a pull-up resistor to
provide a high-level signal.
Capacitor on FAULT Pin for
High CMR
Rapid common mode transients
can affect the fault pin voltage
while the fault output is in the
high state. A 330 pF capacitor
(Fig. 66) should be connected
between the fault pin and ground
to achieve adequate CMOS noise
margins at the specified CMR
Other Recommended
Components
The application circuit in Figure
62 includes an output pull-down
resistor, a DESAT pin protection
resistor, a FAULT pin capacitor
(330 pF), and a FAULT pin pull-
up resistor.
Output Pull-Down Resistor
During the output high transition,
the output voltage rapidly rises to
within 3 diode drops of V
CC2
. If
the output current then drops to
zero due to a capacitive load, the
output voltage will slowly rise
from roughly V
CC2
-3(V
BE
) to V
CC2
within a period of several
microseconds. To limit the output
voltage to V
CC2
-3(V
BE
), a pull-
down resistor between the output
and V
EE
is recommended to sink
a static current of several 650
μ
A
while the output is high. Pull-
down resistor values are
dependent on the amount of
positive supply and can be
adjusted according to the
formula, R
pull-down
=
[V
CC2
-3 * (V
BE
)] / 650
μ
A.
16
15
14
13
12
11
10
9
V
E
V
LED2+
DESAT
V
CC2
V
C
V
OUT
V
EE
V
EE
HCPL-316J
R
g
R
PULL-DOWN
Figure 65. Output Pull-Down Resistor.
Driving with Standard CMOS/
TTL for High CMR
Capacitive coupling from the
isolated high voltage circuitry to
the input referred circuitry is the
primary CMR limitation. This
coupling must be accounted for
to achieve high CMR perform-
ance. The input pins V
IN+
and
V
IN-
must have active drive
signals to prevent unwanted
switching of the output under
extreme common mode transient
conditions. Input drive circuits
that use pull-up or pull-down
resistors, such as open collector
configurations, should be
avoided. Standard CMOS or TTL
drive circuits are recommended.
1
2
3
4
5
6
7
8
V
IN+
V
IN-
V
CC1
GND1
RESET
FAULT
V
LED1+
V
LED1-
HCPL-316J
+
–
μC
330 pF
3.3
k
Figure 66. DESAT Pin Protection.
Figure 67. FAULT Pin CMR Protection.
16
15
14
13
12
11
10
9
V
E
V
LED2+
DESAT
V
CC2
V
C
V
OUT
V
EE
V
EE
100
HCPL-316J
100 pF
D
DESAT
R
g
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HCPL-316J#500 功能描述:邏輯輸出光電耦合器 2.0A IGBT Gate Drive RoHS:否 制造商:Fairchild Semiconductor 絕緣電壓:4243 Vrms 輸出類型:Push-Pull 最大傳播延遲時間:500 ns 最大正向二極管電壓: 最大反向二極管電壓: 最大正向二極管電流: 最大連續(xù)輸出電流:2.5 A 最大功率耗散:100 mW 最大工作溫度:+ 100 C 最小工作溫度:- 40 C 封裝 / 箱體:SO-16 封裝:Tube
HCPL-316J-000E 功能描述:邏輯輸出光電耦合器 2.0A IGBT Gate Drive RoHS:否 制造商:Fairchild Semiconductor 絕緣電壓:4243 Vrms 輸出類型:Push-Pull 最大傳播延遲時間:500 ns 最大正向二極管電壓: 最大反向二極管電壓: 最大正向二極管電流: 最大連續(xù)輸出電流:2.5 A 最大功率耗散:100 mW 最大工作溫度:+ 100 C 最小工作溫度:- 40 C 封裝 / 箱體:SO-16 封裝:Tube
HCPL-316J-000E 制造商:Avago Technologies 功能描述:GATE DRIVE OPTOCOUPLERLF - LEAD FREE VE
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HCPL-3180 功能描述:高速光耦合器 2.0A IGBT Gate Drive RoHS:否 制造商:Avago Technologies 電流傳遞比: 最大波特率: 最大正向二極管電壓:1.75 V 最大反向二極管電壓:5 V 最大功率耗散:40 mW 最大工作溫度:+125 C 最小工作溫度:- 40 C 封裝 / 箱體:SOIC-5 封裝:Tube
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