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Drive Optocoupler. HCPL-316J Datasheet

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Drive Optocoupler. HCPL-316J Datasheet






HCPL-316J Optocoupler. Datasheet pdf. Equivalent




HCPL-316J Optocoupler. Datasheet pdf. Equivalent





Part

HCPL-316J

Description

2.5 Amp Gate Drive Optocoupler



Feature


HCPL-316J 2.5 Amp Gate Drive Optocoupler with Integrated (VCE) Desaturation Det ection and Fault Status Feedback Data Sheet Lead (Pb) Free RoHS 6 fully compl iant RoHS 6 fully compliant options ava ilable; -xxxE denotes a lead-free produ ct Description Avago’s 2.5 Amp Gate Drive Optocoupler with Integrated Desat uration (VCE) Detection and Fault Statu s Feedback makes IGB.
Manufacture

Avago

Datasheet
Download HCPL-316J Datasheet


Avago HCPL-316J

HCPL-316J; TVCE fault protection compact, affordabl e, and easy-to-implement while satisfyi ng worldwide safety and regulatory requ irements. Features • 2.5 A maximum p eak output current • Drive IGBTs up to IC = 150 A, VCE = 1200 V • Op tically isolated, FAULT status feedback • SO-16 package • CMOS/TTL compa tible • 500 ns max. switching speeds Features (continued) • “Soft” I.


Avago HCPL-316J

GBT turn-off • Integrated fail-safe I GBT protection – Desat (VCE) detectio n ­– Under Voltage Lock-Out protecti on (UVLO) with   hysteresis • Us er configurable: inverting, noninvertin g, auto-reset, auto-shutdown • Wide operating VCC range: 15 to 30 Volts • -40°C to +100°C operating temperatu re range • 15 kV/µs min. Common Mod e Rejection (CMR) at VCM = 1500 V • Reg.


Avago HCPL-316J

ulatory approvals: UL, CSA, IEC/EN/DIN E N 607475-5 (1414 Vpeak Working Voltag e) Fault Protected IGBT Gate Drive +HV ISOLATION BOUNDARY HCPL - 316J ISOLA TION BOUNDARY HCPL - 316J ISOLATION BO UNDARY HCPL - 316J 3-PHASE INPUT M H CPL - 316J ISOLATION BOUNDARY –HV HC PL - 316J ISOLATION BOUNDARY HCPL - 31 6J ISOLATION BOUNDARY FAULT MICRO-CON TROLLER HCPL - 316J I.

Part

HCPL-316J

Description

2.5 Amp Gate Drive Optocoupler



Feature


HCPL-316J 2.5 Amp Gate Drive Optocoupler with Integrated (VCE) Desaturation Det ection and Fault Status Feedback Data Sheet Lead (Pb) Free RoHS 6 fully compl iant RoHS 6 fully compliant options ava ilable; -xxxE denotes a lead-free produ ct Description Avago’s 2.5 Amp Gate Drive Optocoupler with Integrated Desat uration (VCE) Detection and Fault Statu s Feedback makes IGB.
Manufacture

Avago

Datasheet
Download HCPL-316J Datasheet




 HCPL-316J
HCPL-316J
2.5 Amp Gate Drive Optocoupler with Integrated (VCE)
Desaturation Detection and Fault Status Feedback
Data Sheet
Lead (Pb) Free
RoHS 6 fully
compliant
RoHS 6 fully compliant options available;
-xxxE denotes a lead-free product
Description
Avago’s 2.5 Amp Gate Drive Optocoupler with Integrated
Desaturation (VCE) Detection and Fault Status Feedback
makes IGBTVCE fault protection compact, affordable, and
easy-to-implement while satisfying worldwide safety and
regulatory requirements.
Features
2.5 A maximum peak output current
Drive IGBTs up to IC = 150 A, VCE = 1200 V
Optically isolated, FAULT status feedback
SO-16 package
CMOS/TTL compatible
500 ns max. switching speeds
Features (continued)
“Soft” IGBT turn-off
Integrated fail-safe IGBT protection
– Desat (VCE) detection
­– Under Voltage Lock-Out protection (UVLO)
with   hysteresis
User configurable: inverting, noninverting, auto-reset,
auto-shutdown
Wide operating VCC range: 15 to 30 Volts
-40°C to +100°C operating temperature range
15 kV/µs min. Common Mode Rejection (CMR) at
VCM = 1500 V
Regulatory approvals: UL, CSA, IEC/EN/DIN EN 60747-
5-5 (1414 Vpeak Working Voltage)
Fault Protected IGBT Gate Drive
+HV
ISOLATION
BOUNDARY
HCPL - 316J
ISOLATION
BOUNDARY
HCPL - 316J
ISOLATION
BOUNDARY
HCPL - 316J
3-PHASE
INPUT
M
HCPL - 316J
ISOLATION
BOUNDARY
–HV
HCPL - 316J
ISOLATION
BOUNDARY
HCPL - 316J
ISOLATION
BOUNDARY
FAULT
MICRO-CONTROLLER
HCPL - 316J
ISOLATION
BOUNDARY
CAUTION: It is advised that normal static precautions be taken in handling and assembly of this
component to prevent damage and/or degradation which may be induced by ESD. The components
featured in this datasheet are not to be used in military or aerospace applications or environments.




 HCPL-316J
Typical Fault Protected IGBT Gate Drive Circuit
The HCPL‑316J is an easy-to-use, intelligent gate driver
which makes IGBT VCE fault protection compact, afford-
able, and easy-to-implement. Features such as user con-
figurable inputs, integrated VCE detection, under volt-
age lockout (UVLO),“soft”IGBT turn-off and isolated fault
feed­back provide maximum design flexibility and circuit
protection.
µC
+
RF
1 VIN+
2 VIN-
3 VCC1
4 GND1
HCPL-316J
5 RESET
6 FAULT
7 VLED1+
8 VLED1-
VE 16
VLED2+ 15
DESAT 14
VCC2 13
VC 12
VOUT 11
VEE 10
VEE 9
* CBLANK
100 DDESAT
+–
VF
*
+
RG
+*
RPULL-DOWN
* THESE COMPONENTS ARE ONLY REQUIRED WHEN NEGATIVE GATE DRIVE IS IMPLEMENTED.
+
VCE
+
VCE
Figure 1. Typical desaturation protected gate drive circuit, noninverting.
Description of Operation during Fault Condition
1. DESAT terminal monitors the IGBTVCE voltage through
DDESAT.
2. When the voltage on the DESAT terminal exceeds
7 volts, the IGBT gate voltage (VOUT) is slowly
lowered.
3. FAULT output goes low, notifying the microcontroller
of the fault condition.
4. Microcontroller takes appropriate action.
Output Control
The outputs (VOUT and FAULT) of the HCPL‑316J are con-
trolled by the combination of VIN, UVLO and a detected
IGBT Desat condition. As indicated in the below table, the
HCPL‑316J can be configured as inverting or non‑invert-
ing using the VIN+ or VIN- inputs respectively. When an in-
verting configuration is desired, VIN+ must be held high
and VIN- toggled. When a non‑inverting configuration is
desired, VIN- must be held low and VIN+ toggled. Once
UVLO is not active (VCC2 ‑ VE > VUVLO), VOUT is allowed to
go high, and the DESAT (pin 14) detection feature of the
HCPL‑316J will be the primary source of IGBT protection.
UVLO is needed to ensure DESAT is functional. Once VU-
VLO+ > 11.6 V, DESAT will remain functional until VUVLO- <
12.4 V. Thus, the DESAT detection and UVLO features of
the HCPL‑316J work in conjunction to ensure constant
IGBT protection.
Desat Condition
UVLO
Detected on
VIN+ VIN- (VCC2 - VE)
Pin 14
X X Active X
X X X
Yes
Low X X
X
X High X
X
High Low Not Active No
Pin 6
(FAULT)
Output
VOUT
X Low
Low Low
X Low
X
Low
High
High
2




 HCPL-316J
Product Overview Description
The HCPL‑316J is a highly integrated power control de-
vice that incorporates all the necessary components for a
complete, isolated IGBT gate drive circuit with fault pro-
tection and feedback into one SO‑16 package. TTL input
logic levels allow direct interface with a microcontroller,
and an optically isolated power output stage drives
IGBTs with power ratings of up to 150 A and 1200 V. A
high speed internal optical link minimizes the propaga-
tion delays between the microcontroller and the IGBT
while allowing the two systems to operate at very large
common mode voltage differences that are common in
industrial motor drives and other power switching ap-
plications. An output IC provides local protection for
the IGBT to prevent damage during overcurrents, and a
second optical link provides a fully isolated fault status
feedback signal for the microcontroller. A built in“watch-
dog” circuit monitors the power stage supply voltage to
prevent IGBT caused by insufficient gate drive voltages.
This integrated IGBT gate driver is designed to increase
the performance and reliability of a motor drive without
the cost, size, and complexity of a discrete design.
Two light emitting diodes and two integrated circuits
housed in the same SO‑16 package provide the input
control circuitry, the output power stage, and two op-
tical channels. The input Buffer IC is designed on a bi-
polar process, while the output Detector IC is designed
manufactured on a high voltage BiCMOS/Power DMOS
process. The forward optical signal path, as indicated by
LED1, transmits the gate control signal. The return opti-
cal signal path, as indicated by LED2, transmits the fault
status feedback signal. Both optical channels are com-
pletely controlled by the input and output ICs respec-
tive-ly, making the internal isolation boundary transpar-
ent to the microcontroller.
Under normal operation, the input gate control signal di-
rectly controls the IGBT gate through the isolated output
detector IC. LED2 remains off and a fault latch in the in-
put buffer IC is disabled. When an IGBT fault is detected,
the output detector IC immediately begins a “soft” shut-
down sequence, reducing the IGBT current to zero in a
controlled manner to avoid potential IGBT damage from
inductive overvoltages. Simultaneously, this fault status
is transmitted back to the input buffer IC via LED2, where
the fault latch disables the gate control input and the ac-
tive low fault output alerts the microcontroller.
During power‑up, the Under Voltage Lockout (UVLO) fea-
ture prevents the application of insufficient gate voltage
to the IGBT, by forcing the HCPL‑316J’s output low. Once
the output is in the high state, the DESAT (VCE) detec-
tion feature of the HCPL‑316J provides IGBT protection.
Thus, UVLO and DESAT work in conjunction to provide
constant IGBT protection.
INPUT IC
VLED1+
7
VLED1-
8
VIN+
VIN-
1
2
LED1
VCC1 3
RESET
FAULT
5
6
FAULT
4
GND1
SHIELD
LED2
SHIELD
15
VLED2+
D
R
I
V UVLO
E
R
DESAT
13 VCC2
12 VC
11 VOUT
14 DESAT
9,10 VEE
16 VE
OUTPUT IC
3



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