ACPL-P456 and ACPL-W456
High CMR Intelligent Power Module and Gate Drive
Interface Optocoupler
Data Sheet
Description
Features
The ACPL-P456 and ACPL-W456 contain a GaAsP LED optically
coupled to an integrated high-gain photo detector. Minimized
propagation delay difference between devices make these
optocouplers excellent solutions for improving inverter
efficiency through reduced switching dead time. Specifications
and performance plots are given for typical IPM applications.
ANODE 1
6 VCC
N.C. 2
5 VO
SHIELD
Functional Diagram
CATHODE 3
4 Ground
Note: A 0.1 μF bypass capacitor must be connected between
pins 4 and 6.
Truth Table (Positive Logic)
Specifications
LED
V0
ON
LOW
OFF
HIGH
Applications
IPM Isolation
Isolated IGBT/MOSFET Gate Drive
AC and Brushless DC Motor Drives
Industrial Inverters
Performance Specified for Common IPM Applications Over
Industrial Temperature Range
Short Maximum Propagation Delays
Minimized Pulse Width Distortion (PWD)
Very High Common Mode Rejection (CMR)
High CTR
Available in Stretched SO-6 Package with 8 mm creepage
and clearance
Safety Approval:
— UL Recognized with 3750VRMS for 1 minute (5000VRMS
for 1 minute for all ACPL-W456 devices and Option 020
device for ACPL-P456) per UL1577
— CSA Approved
— IEC/EN/DIN EN 60747-5-5 approved with VIORM =
1140Vpeak (ACPL-W456) and VIORM = 891Vpeak
(ACPL-P456) for Option 060
Wide Operating Temperature Range: –40°C to 100°C
Maximum Propagation Delay tPHL = 400 ns, tPLH = 490 ns
Maximum Pulse Width Distortion (PWD) = 450 ns
15 kV/μs Minimum Common Mode Rejection (CMR) at VCM
= 1500V
CTR > 44% at IF = 10 mA
CAUTION
Broadcom
-1-
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.
ACPL-P456 and ACPL-W456
Data Sheet
Ordering Information
ACPL-P456 and ACPL-W456 are UL Recognized with 3750VRMS (5000VRMS for ACPL-W456) for 1 minute per UL1577 and are
approved under CSA Component Acceptance Notice #5, File CA 88324.
Option
Part Number
Package
Surface Mount
Tape and Reel
RoHS Compliant
ACPL-P456
ACPL-W456
-000E
X
-500E
X
-060E
-560E
Stretched
SO-6
Quantity
100 per tube
X
X
X
IEC/EN/DIN EN
60747-5-5
X
1000 per tube
X
100 per tube
X
1000 per tube
To order, choose a part number from the part number column and combine with the desired option from the option column to
form an ordering part number.
Example 1:
ACPL-P456-560E to order product of Stretched SO-6 package in Tape and Reel packaging with IEC/EN/DIN EN 60747-5-5 Safety
Approval in RoHS compliant.
Example 2:
ACPL-P456-000E to order product of Stretched SO-6 package in tube packaging and RoHS compliant.
Option data sheets are available. Contact your Broadcom sales representative or authorized distributor for information.
Solder Reflow Profile
The recommended reflow profile is per JEDEC Standard, J-STD-020 (latest revision). Non-halide flux should be used.
Regulatory Information
The ACPL-P456 and ACPL-W456 are approved by the following organizations:
IEC/EN/DIN EN 60747-5-5 (Option 060 only): Approved with Maximum Working Insulation Voltage VIORM = 1140Vpeak
(ACPL-W456) and VIORM = 891Vpeak (ACPL-P456).
UL: Approval under UL 1577, component recognition program up to VISO = 3750VRMS (or 5000VRMS for ACPLW456). File E55361.
CSA: Approval under CSA Component Acceptance Notice #5, File CA 88324.
Broadcom
-2-
ACPL-P456 and ACPL-W456
Data Sheet
Package Outline Drawings
ACPL-P456 Stretched SO-6 Package (7 mm Clearance)
4.580
0.381 ±0.127
0.015 ±0.005
0
+0.010
0.180
- 0.000
1.27 BSG
0.050
10.7
0.421
1.27
0.050
7.62
0.300
6.81
0.268
0.45
0.018
45°
2.16
0.085
3.180 ±0.127
0.125 ±0.005
1.590 ±0.127
0.063 ±0.005
7°
0.76
0.030
7°
7°
7°
0.20 ±0.10
0.008 ±0.004
0.254 ±0.050
0.010 ±0.002
Floating Lead Protusions max. 0.25 [0.01]
5 NOM.
1±0.250
0.040 ±0.010
Dimensions in Millimeters [ Inches ]
Lead Coplanarity= 0.1mm [0.004 Inches ]
9.7 ±0.250
0 382 0 010
ACPL-W456 Stretched SO-6 Package (8 mm Clearance)
0.381 ±0.127
0.015 ±0.005
1
12.650
0.498
0.760
0.030
6
2
5
3
4
7.62
[0.300]
+0.127
6.807
-0.000
+0.005
0.268
- 0.000
0.45
0.018
+0.254
0
+0.010
0.180
- 0.000
*4.580
1.27 BSG
0.050
7°
45°
1.905
0.075
1.270
0.050
1.590 ±0.127
0.063 ±0.005
3.180 ±0.127
0.125 ±0.005
0.20 ±0.10
0.008 ±0.004
7°
0.750 ±0.250
[0.0295 ±0.010]
35° NOM.
11.500 ±0.25
0.453 ±0.010
0.254 ±0.050
0.010 ±0.002
Floating Lead protusion max. = 0.25 mm [0.01 inches]
Lead Coplanarity = 0.1 mm [0.004 inches]
Dimensions in millimeters [inches]
*Total Package Width = 4.834 ±0.254 mm
(inclusive of mold flash)
Broadcom
-3-
7°
7°
ACPL-P456 and ACPL-W456
Data Sheet
IEC/EN/DIN EN 60747-5-5 Insulation Characteristics (Option 060)
Description
Symbol
ACPL-W456
ACPL-P456
I– IV
I – IV
I – IV
I – IV
I – III
I – IV
I – IV
I – III
I – III
Installation Classification per DIN VDE 0110/1.89, Table 1
for rated mains voltage ≤ 150VRMS
for rated mains voltage ≤ 300VRMS
for rated mains voltage ≤ 450VRMS
for rated mains voltage ≤ 600VRMS
for rated mains voltage ≤ 1000VRMS
Climatic Classification
Unit
55/100/21
Pollution Degree (DIN VDE 0110/39)
2
VIORM
1140
891
Vpeak
Input to Output Test Voltage, Method ba
VIORM x 1.875 = VPR, 100% Production Test with tm = 1 sec,
Partial Discharge < 5 pC
VPR
2138
1671
Vpeak
Input to Output Test Voltage, Method aa
VIORM x 1.5 = VPR, Type and Sample Test, tm = 10 sec,
VPR
1824
1425
Vpeak
VIOTM
8000
6000
Vpeak
Maximum Working Insulation Voltage
Partial Discharge < 5 pC
Highest Allowable Overvoltage
(Transient Overvoltage tini = 60 sec)
Safety-limiting values – maximum values allowed in the event of a failure
TS
175
°C
Input Current
IS, INPUT
230
mA
Output Power
PS, OUTPUT
600
mW
RS
>109
Ω
Case Temperature
Insulation Resistance at TS, VIO = 500V
a.
Refer to the optocoupler section of the Isolation and Control Components Designer’s Catalog, under the Product Safety Regulations section, (IEC/EN/DIN EN
60747-5-5), for a detailed description of Method a and Method b partial discharge test profiles.
Insulation and Safety Related Specifications
Parameter
Symbol
ACPL-P456
ACPL-W456
Unit
Condition
Minimum External Air Gap
(External Clearance)
L(101)
7.0
8.0
mm
Measured from input terminals to output
terminals, shortest distance through air.
Minimum External Tracking
(External Creepage)
L(102)
8.0
8.0
mm
Measured from input terminals to output
terminals, shortest distance path along body.
Minimum Internal Plastic Gap
(Internal Clearance)
0.08
mm
Through insulation distance conductor to
conductor, usually the straight line distance
thickness between the emitter and detector.
Minimum Internal Tracking
(Internal Creepage)
N/A
mm
Measured from input terminals to output
terminals, along internal cavity.
>175
V
Tracking Resistance
(Comparative Tracking Index)
Isolation Group
CTI
IIIa
Broadcom
-4-
DIN IEC 112/VDE 0303 Part 1.
Material Group (DIN VDE 0110, 1/89, Table 1).
ACPL-P456 and ACPL-W456
Data Sheet
Absolute Maximum Ratings
Parameter
Symbol
Min.
Max.
Unit
Storage Temperature
TS
–55
+125
°C
Operating Temperature
TA
–40
+100
°C
Average Input Current
IF(AVG)
25
mA
1
Peak Input Current
(50% duty cycle, 3.0V).
12. Common mode transient immunity in a Logic Low level is the maximum tolerable dVCM/dt of the common mode pulse, VCM, to assure that
the output will remain in a Logic Low state (i.e., VO < 1.0V).
13. Pulse Width Distortion (PWD) is defi ned as |tPHL – tPLH| for any given device.
Broadcom
-7-
ACPL-P456 and ACPL-W456
Data Sheet
Figure 1 Typical Transfer Characteristics
Figure 2 Normalized Output Current vs. Temperature
1.05
NORMALIZED OUTPUT CURRENT
IO – OUTPUT CURRENT – mA
10
8
6
4
VO = 0.6V
2
0
100°C
25°C
-40°C
0
5
10
15
IF – FORWARD CURRENT – mA
IF = 10 mA
VO = 0.6V
0.85
-20
0
20
40
60
TA – TEMPERATURE – °C
1000
VF = 0.8V
VCC = VO = 4.5V OR 30V
1.5
4.5V
30V
1.0
0.5
-20
0
20
40
60
80
100
TA = 25°C
IF
IF – FORWARD CURRENT – mA
IOH – HIGH LEVEL OUTPUT CURRENT – μA
0.90
Figure 4 Input Current vs. Forward Voltage
2.0
0
-40
0.95
0.80
-40
20
Figure 3 High Level Output Current vs. Temperature
1.00
80
100
10
1.0
0.1
0.01
0.001
1.10
100
+
VF
-
1.20
1.30
1.40
1.50
1.60
VF – FORWARD VOLTAGE – VOLTS
TA – TEMPERATURE – °C
Figure 5 Propagation Delay Test Circuit
IF(ON) = 10 mA
1
+
-
If
6
2
5
3
4
SHIELD
VOUT +
C L*
VCC = 15
tf
VO
tr
90%
90%
10%
10%
VTHHL
* TOTAL LOAD
CAPACITANCE
VTHLH
tPHL
Broadcom
-8-
tPLH
ACPL-P456 and ACPL-W456
Data Sheet
Figure 6 CMR Test Circuit and Waveforms
VCM
IF
B
A
+
1
6
2
5
3
4
SHIELD
VOUT +
100 pF *
V
= CM
VCC = 15
OV
* 100 pF TOTAL
CAPACITANCE
VFF
-
VO
+
-
VCC
SWITCH AT A: IF = 0 mA
VCM = 1500V
VO
VOL
SWITCH AT B: IF = 10 mA
Figure 7 Propagation Delay with External 20 kΩ RL vs. Temp.
Figure 8 Propagation Delay vs. Load Resistance
800
IF = 10 mA
VCC = 15V
CL = 100 pF
RL = 20 kΩ
400
300
tP – PROPAGATION DELAY – ns
tP – PROPAGATION DELAY – ns
500
tPLH
tPHL
200
100
-40
-20
0
20
40
60
TA – TEMPERATURE – °C
80
100
Figure 9 Propagation Delay vs. Load Capacitance
1000
tPLH
tPHL
200
10
20
30
RL – LOAD RESISTANCE – kΩ
1400
tPLH
tPHL
800
400
40
50
Figure 10 Propagation Delay vs. Supply Voltage
IF = 10 mA
VCC = 15V
RL = 20 kΩ
TA = 25°C
1200
600
0
tP – PROPAGATION DELAY – ns
tP – PROPAGATION DELAY – n
1400
IF = 10 mA
VCC = 15V
CL = 100 pF
TA = 25°C
600
400
200
IF = 10 mA
CL = 100 pF
RL = 20 kΩ
TA = 25°C
1200
1000
800
tPLH
tPHL
600
400
200
0
0
0
100
200
300
400
CL – LOAD CAPACITANCE – pF
5
500
Broadcom
-9-
10
15
20
VCC – SUPPLY VOLTAGE – V
25
30
ACPL-P456 and ACPL-W456
Data Sheet
Figure 13 Optocoupler Input to Output Capacitance Model for
Unshielded Optocouplers
Figure 11 Propagation Delay vs. Input Current
tP – PROPAGATION DELAY – ns
500
VCC = 15V
CL = 100 pF
RL = 20 kΩ
TA = 25°C
400
tPLH
tPHL
1
CLEDP
6
2
300
3
0
5
15
10
IF – FORWARD LED CURRENT – mA
20
Figure 14 Optocoupler Input to Output Capacitance Model for
Shielded Optocouplers
Applications Information
LED Drive Circuit Considerations For Ultra High
CMR Performance
1
Without a detector shield, the dominant cause of optocoupler
CMR failure is capacitive coupling from the input side of the
optocoupler, through the package, to the detector IC as shown
in Figure 13. The ACPL-P456/W456 improve CMR performance
by using a detector IC with an optically transparent Faraday
shield, which diverts the capacitively coupled current away
from the sensitive IC circuitry. However, this shield does not
eliminate the capacitive coupling between the LED and the
optocoupler output pin and output ground as shown in
Figure 14. This capacitive coupling causes perturbations in the
LED current during common mode transients and becomes the
major source of CMR failures for a shielded optocoupler. The
main design objective of a high CMR LED drive circuit becomes
keeping the LED in the proper state (on or off) during common
mode transients. For example, the recommended application
circuit (Figure 12), can achieve 15 kV/μs CMR while minimizing
component complexity. Note that a CMOS gate is
recommended in Figure 12 to keep the LED off when the gate
is in the high state.
Figure 12 Recommended LED Drive Circuit
+5V
1
6
2
5
3
4
VOUT +
CL*
CMOS
SHIELD
4
CLEDN
Another cause of CMR failure for a shielded optocoupler is
direct coupling to the optocoupler output pins through
CLEDO1 in Figure 14. Many factors influence the effect and
magnitude of the direct coupling including: the position of the
LED current setting resistor and the value of the capacitor at
the optocoupler output (CL).
200
100
5
* 100 pF TOTAL
CAPACITANCE
VCC = 15V
CLEDP
CLED01
2
3
6
5
CLEDN
SHIELD
4
CMR With The LED On (CMRL)
A high CMR LED drive circuit must keep the LED on during
common mode transients. This is achieved by overdriving the
LED current beyond the input threshold so that it is not pulled
below the threshold during a transient. The recommended
minimum LED current of 10 mA provides adequate margin
over the maximum ITH of 4.0 mA (see Figure 1) to achieve
15 kV/μs CMR.
The placement of the LED current setting resistor effects the
ability of the drive circuit to keep the LED on during transients
and interacts with the direct coupling to the optocoupler
output. For example, the LED resistor in Figure 15 is connected
to the anode. Figure 16 shows the AC equivalent circuit for
Figure 15 during common mode transients. During a +dVCM/dt
in Figure 16, the current available at the LED anode (Itotal) is
limited by the series resistor. The LED current (IF) is reduced
from its DC value by an amount equal to the current that flows
through CLEDP and CLEDO1. The situation is made worse
because the current through CLEDO1 has the effect of trying to
pull the output high (toward a CMR failure) at the same time
the LED current is being reduced. For this reason, the
recommended LED drive circuit (Figure 12) places the current
setting resistor in series with the LED cathode. Figure 17 is the
AC equivalent circuit for Figure 12 during common mode
Broadcom
- 10 -
ACPL-P456 and ACPL-W456
Data Sheet
transients. In this case, the LED current is not reduced during a
+dVCM/dt transient because the current fl owing through the
package capacitance is supplied by the power supply. During a
-dVCM/dt transient, however, the LED current is reduced by the
amount of current flowing through CLEDN. But, better CMR
performance is achieved since the current fl owing in CLEDO1
during a negative transient acts to keep the output low.
Figure 15 LED Drive Circuit with Resistor Connected to LED Anode
(Not Recommended)
+5V
1
6
2
5
VOUT +
-
VCC = 15V
CL*
3
4
SHIELD
CMOS
* 100 pF TOTAL
CAPACITANCE
Figure 16 AC Equivalent Circuit for Figure 15 During Common
Mode Transients
ITOTAL*
300 Ω
ICLEDP
1
ICLED01
IF
6
CLED01
2
20 kΩ
5
VOUT
100pF
3
CLEDN
SHIELD
4
* THE ARROWS INDICATE THE DIRECTION
OF CURRENT FLOW DURING + dVCM /dt
CMR With The LED Off (CMRH)
A high CMR LED drive circuit must keep the LED off (VF ≤
VF(OFF)) during common mode transients. For example, during
a +dVCM/dt transient in Figure 17, the current flowing through
CLEDN is supplied by the parallel combination of the LED and
series resistor. As long as the voltage developed across the
resistor is less than VF(OFF) the LED will remain off and no
common mode failure will occur. Even if the LED momentarily
turns on, the 100 pF capacitor from pins 5-4 will keep the
output from dipping below the threshold. The recommended
LED drive circuit (Figure 12) provides about 10V of margin
between the lowest optocoupler output voltage and a 3V IPM
threshold during a 15 kV/μs transient with VCM = 1500V.
Additional margin can be obtained by adding a diode in
parallel with the resistor, as shown by the dashed line
connection in Figure 17, to clamp the voltage across the LED
below VF(OFF).
Since the open collector drive circuit, shown in Figure 18,
cannot keep the LED off during a +dVCM/dt transient, it is not
desirable for applications requiring ultra high CMRH
performance. Figure 19 is the AC equivalent circuit for
Figure 18 during common mode transients. Essentially all the
current flowing through CLEDN during a +dVCM/dt transient
must be supplied by the LED. CMRH failures can occur at dv/dt
rates where the current through the LED and CLEDN exceeds
the input threshold. Figure 20 is an alternative drive circuit
which does achieve ultra high CMR performance by shunting
the LED in the off state.
+
-
Figure 18 Not Recommended Open Collector LED Drive Circuit
VCM
+5V
Figure 17 AC Equivalent Circuit for Figure 12 During Common
Mode Transients
1
1
6
2
5
3
SHIELD
4
Q1
CLEDP
6
CLED01
+ VR**-
2
5
VOUT
100 pF
3
ICLEDN* CLEDN
SHIELD
4
Figure 19 AC Equivalent Circuit for Figure 18 During Common
Mode Transients
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR + dVCM /dt TRANSIENTS.
** OPTIONAL CLAMPING DIODE FOR IMPROVED CMH
PERFORMANCE. V R < VF (OFF) DURING + dVCM /dt
1
CLEDP
6
CLED01
+
-
2
20
5
VOUT
100 pF
Q1
3
VCM
ICLEDN* CLEDN
SHIELD
4
+
-
* THE ARROWS INDICATE THE DIRECTION OF CURRENT
FLOW FOR + dVCM /dt TRANSIENTS.
VCM
Broadcom
- 11 -
ACPL-P456 and ACPL-W456
Data Sheet
Figure 20 Recommended LED Drive Circuit for Ultra High CMR
+5V
1
6
2
5
3
4
SHIELD
IPM Dead Time and Propagation Delay
Specifications
The ACPL-P456/W456 includes a Propagation Delay Difference
specification intended to help designers minimize “dead time”
in their power inverter designs. Dead time is the time period
during which both the high and low side power transistors (Q1
and Q2 in Figure 21) are off. Any overlap in Q1 and Q2
conduction will result in large currents flowing through the
power devices between the high and low voltage motor rails.
To minimize dead time the designer must consider the
propagation delay characteristics of the optocoupler as well as
the characteristics of the IPM IGBT gate drive circuit.
Considering only the delay characteristics of the optocoupler
(the characteristics of the IPM IGBT gate drive circuit can be
analyzed in the same way) it is important to know the
minimum and maximum turn on (tPHL) and turn-off (tPLH)
propagation delay specifications, preferably over the desired
operating temperature range.
The limiting case of zero dead time occurs when the input to
Q1 turns off at the same time that the input to Q2 turns on. This
case determines the minimum delay between LED1 turn-off
and LED2 turn-on, which is related to the worst case
optocoupler propagation delay waveforms, as shown in
Figure 22. A minimum dead time of zero is achieved in
Figure 22 when the signal to turn on LED2 is delayed by (tPLH
max – tPHL min) from the LED1 turn off. Note that the
propagation delays used to calculate PDD are taken at equal
temperatures since the optocouplers under consideration are
typically mounted in close proximity to each other.
(Specifically, previous equation are not the same as the tPLH
max and tPHL min, over the full operating temperature range,
specified in the data sheet.) This delay is the maximum value
for the propagation delay difference specification which is
specified at 450 ns for the ACPL-P456/W456 over an operating
temperature range of –40°C to +100°C.
Delaying the LED signal by the maximum propagation delay
difference ensures that the minimum dead time is zero, but it
does not tell a designer what the maximum dead time will be.
The maximum dead time occurs in the highly unlikely case
where one optocoupler with the fastest tPLH and another with
the slowest tPHL are in the same inverter leg. The maximum
dead time in this case becomes the sum of the spread in the
tPLH and tPHL propagation delays as shown in Figure 23. The
maximum dead time is also equivalent to the difference
between the maximum and minimum propagation delay
difference specifications. The maximum dead time (due to the
optocouplers) for the ACPL-P456/W456 are 600 ns (= 450 ns –
(–150 ns)) over an operating temperature range of –40°C to
+100°C.
Figure 21 Typical Application Circuit
IPM
+HV
ILED1
+5V
310
1
6
2
5
3
CMOS
SHIELD
VCC1
VOUT1
4
M
ILED2
+5V
1
6
2
5
VCC2
20
310
CMOS
3
SHIELD
4
VOUT2
ACPL-P/W456
--HV
ACPL-P/W456
ACPL-P/W456
ACPL-P/W456
ACPL-P/W456
Broadcom
- 12 -
ACPL-P456 and ACPL-W456
Data Sheet
Figure 22 Minimum LED Skew for Zero Dead Time
Figure 23 Waveforms for Deadtime Calculation
ILED1
ILED1
VOUT1
VOUT2
Q1 OFF
Q1 ON
Q2 OFF
VOUT1
VOUT2
Q1 OFF
Q1 ON
Q2 OFF
Q2 ON
Q2 ON
ILED2
ILED2
tPLH
MIN.
tPLH MAX.
tPLH
MAX.
tPHL
MIN.
PDD*
MAX.
PDD* MAX. =
(tPLH-tPHL) MAX. = tPLH MAX. - tPHL MIN.
tPHL
MIN.
tPHL
MAX.
MAX.
DEAD TIME
*PDD = PROPAGATION DELAY DIFFERENCE
MAXIMUM DEAD TIME (DUE TO OPTOCOUPLER)
NOTE: THE PROPAGATION DELAYS USED TO CALCULATE
PDD ARE TAKEN AT EQUAL TEMPERATURES.
= (tPLH MAX. - tPLH MIN.) + (tPHL MAX. - tPHL MIN.)
= (tPLH MAX. - tPHL MIN.) - (tPLH MIN. - tPHL MAX.)
= PDD* MAX. - PDD* MIN.
*PDD = PROPAGATION DELAY DIFFERENCE
NOTE: THE PROPAGATION DELAYS USED TO CALCULATE THE MAXIMUM
DEAD TIME ARE TAKEN AT EQUAL TEMPERATURES.
Broadcom
- 13 -
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AV02-1306EN – June 19, 2017