A Business Partner of Renesas Electronics Corporation.
www.cel.com
Application Based Optocoupler
Design Guide
Simplified Design Guide
2012
For more information please visit us at www.cel.com/Optocouplers
AC
INPUT Output
AC to DC Converter
Input OutputCurrent Changer Circuit
Varistor
Thyristor
Triac
Control
IC
Shunt
Regulator
Rectier
Diode
Line
Filter
Drive
Circuit
Rectier
Circuit
Rectier
Diode
Large Current
Protecting
Circuit
Rectier
Circuit
DC/DC
DC/DC
DC/DC
System /
Display
Output
Voltage
Detector
Vin VO
Sync.
Forward
Controller
PWM
Controller
Switching
Circuit
Power Supplies
Data Communication
DC to DC
Converter
Note:This diagram is intended to explain existing part numbers and is not to be used to create part numbers since all combinations are available
Solutions as Easy as 1-2-3 What is your Application?
Quickly select the right optocoupler for your application. We made it as
simple as 1-2-3 regardless if you are a seasoned engineer or novice.
Simply follow the steps below to find your optocoupler solution:
Select your application.
Look at the block diagram. Follow the corresponding color coded
tables. (See Reference Tables on back page for series specs.)
Answer the Questions in the block diagram to determine an orderable
part. Visit www.cel.com/Optocouplers for a detailed datasheet.
Switch Mode Power Supply
Factory Automation Network
Motor Drive and Control
Power Over Ethernet (PoE)
Power Line Communication (PLC)
Smart Meters
Solar Power
Guide to choosing the right optocoupler for your application
Choose your Application:
1.
2.
3.
Switch Mode Power Supply
Factory Automation
ETHERNET
PROGRAMMABLE
LOGIC CONTROLLER
REMOTE I/O
AC
SERVO
Devices
Control
PC
Servers
Machine
NETWORK
For more information please visit us at www.cel.com/Optocouplers
Communication Line
Speed Package Family Table
1 Mb/s Analog DIP 8 PS8501 5
AC Servo
See motor drive and control application on the following page.
Remote I/O
Isolation Voltage Package Family Table
5KVr.m.s. DIP 4 PS25xx 1
5KVr.m.s. LSOP 4 PS2381 2
3.75KVr.m.s. SOP 4 PS27xx 3
2.5KVr.m.s.isolation,
3.75KVr.m.s. for PS2861B SSOP 4 PS28xx 4
Programmable Logic Controller
Input/Output Isolation
Isolation Voltage Package Family Table
2.5KVr.m.s. SSOP 4 PS2801C 4
2.5KVr.m.s. SSOP 4 PS2805C 4
1.5KVr.m.s. SSOP 12 PS2841-4x 4
3.75KVr.m.s. SOP 4 PS2701A 3
5KVr.m.s. SOP 4 PS2501A 1
Programmable Logic Controller
Communication Isolation
Speed Package Family Table
1 Mb/s Analog SOP 5 PS8101 5
1 Mb/s Digital SOP 5
SOP 8
PS9122
PS9822 5
10 Mb/s Digital SOP 5 PS9117A 5
10 Mb/s Digital SOP 8 PS9817A 5
15 Mb/s Digital
SOP 5
SOP 5
SOP 8
PS9121
PS9123
PS9821
5
10 Mb/s Digital DIP 8 PS9587 5
Questions ?
• What Isolation Voltage do you require?
• SMT or Through Hole Package?
• What Operating Temperature do you require?
• What Current Transfer Ratio (CTR) do you require?
• What are your creepage distance requirements?
• What Safety Standards do you require?
(UL, VDE, etc.)
Questions ?
• What Isolation Voltage do you require?
• What Transfer Speed do you require?
• SMT or Through Hole Package?
• How many channels do you need to isolate?
(1,2 or 4 per package)
• What Operating Temperature do you require?
• What are your creepage distance requirements?
• What Safety Standards do you require?
(UL, VDE, etc.)
Feedback Control Circuit & DC / DC Converter
Isolation Voltage Package Family Table
5KVr.m.s. DIP 4 PS25xx 1
5KVr.m.s. LSOP 4 PS2381 2
3.75KVr.m.s. SOP 4 PS27xx 3
2.5KVr.m.s. isolation,
3.75KVr.m.s. for PS2861B SSOP 4 PS28xx 4
2.5KVr.m.s. Mini Flat 4 PS2911 6
POE (Power Over Ethernet)
Controller
Physical Layer
Physical Layer
VOUT
GND
Bus Interface
I2C Bus
Data
Communication
Data
Communication
Select which board to feed power Select board in Accordance with PSU
+
–
DC to DC
Converter
Twisted Pair of Ethernet
4 Pairs / 8 Lines
Supplied Power
Sensing
Resistor
Chipset
for Power
Control
LSI for
Power
Accept
+3.3 or 5.0V
-48V
VoIP
PLC (Power Line Communication)
Smart Applications,
Lighting and
Security Systems,
AMR/AMI
TX
RX
Power Line
Transceiver Coupling Circuit
Switching Power Supply
Coupling Circuit
PLC
Switching Power Supply
Motor Drive and Control
MCU
I/O
PS8551 (Analog Type)
PS9551 (Digital Type)
Optional
Shunt Resistor
Isolation Amplier
Power Supply
Isolation
Data Communications
Isolation
Inverter Control Isolated
Driver IPMs
Inverter Control
IGBT Gate Drive Optocoupler
Pumps
Motors
Machine Tools Inverter/
AC Servo
5 . 5 K W
H320
00.00
For more information please visit us at www.cel.com/Optocouplers
I2C Bus
Speed Package Family Table
1 Mb/s Analog SOP 8 PS8821 5
1 Mb/s Digital SOP 5
SOP 8
PS9122
PS9822 5
15 Mb/s Digital
SOP 5
SOP 5
SOP 8
PS9121
PS9123
PS9821
5
Coupling Circuit
VCC Package Family Table
5V SOP 5 PS9117A 5
5V SOP 5 PS9123 5
5V SOP 8 PS9851 5
3.3V SOP 8 PS9821 5
Questions ?
• What Isolation Voltage do you require?
• What Transfer Speed do you require?
• SMT or Through Hole Package?
• How many channels do you need to isolate?
(1,2 or 4 per package)
• What Operating Temperature do you require?
• What are your creepage distance requirements?
• What Safety Standards do you require?
(UL, VDE, etc.)
Questions ?
• What Isolation Voltage do you require?
• What Transfer Speed do you require?
• SMT or Through Hole Package?
• What is your Operating Voltage?
• What Operating Temperature do you require?
• What are your creepage distance requirements?
• What Safety Standards do you require?
(UL, VDE, etc.)
Inverter Control Isolated Gate Driving of
MOSFETs and IGBTs
IO peak (A) Package Family Table
2.5 DIP 8 PS9905 7
0.6 SDIP 6 PS9307 7
2.5 SDIP 8 PS9305 7
2.5 DIP 8 PS9505 7
0.6 DIP 8 PS9506 7
2.5 SO16 PS9402 7
Power Supply Isolation
Isolation Voltage Package Family Table
3.75KVr.m.s. SOP 4 PS27xx 3
2.5KVr.m.s. isolation,
3.75KVr.m.s. for PS2861B SSOP 4 PS28xx 4
Isolation Amplifier for feedback control
Isolation Voltage Package Family Table
5KVr.m.s. SDIP 8 PS8551 9
5KVr.m.s. SDIP 8 PS9551 10
Data Communication Isolation
Speed Package Family Table
10 Mb/s Digital SOP 5 PS9117A 5
10 Mb/s Digital SOP 8 PS9817A 5
Inverter Control Isolated Driving of IPMs
Speed Package Family Table
5 Mb/s Digital SDIP 6 PS9309 8
1 Mb/s Digital SDIP 6 PS9303 8
1 Mb/s Digital SOP 5 PS9113 8
1 Mb/s Digital SDIP 6 PS9313 8
1 Mb/s Digital DIP 8 PS9513 8
Questions ?
• What Isolation Voltage do you require?
• What Transfer Speed do you require?
• SMT or Through Hole Package?
• How many channels do you need to isolate?
(1,2 or 4 per package)
• What Operating Temperature do you require?
• What are your creepage distance requirements?
• What Safety Standards do you require?
(UL, VDE, etc.)
Address Line
Isolation Voltage Package Family Table
5KVr.m.s. DIP 4 PS25xx 1
5KVr.m.s. LSOP 4 PS2381 2
3.75KVr.m.s. SOP 4 PS27xx 3
2.5KVr.m.s. isolation,
3.75KVr.m.s. for PS2861B SSOP 4 PS28xx 4
2.5KVr.m.s. Mini Flat 4 PS2911 6
Switching Power Supply
Isolation Voltage Package Family Table
5KVr.m.s. DIP 4 PS25xx 1
5KVr.m.s. LSOP 4 PS2381 2
3.75KVr.m.s. SOP 4 PS27xx 3
2.5KVr.m.s. isolation,
3.75KVr.m.s. for PS2861B SSOP 4 PS28xx 4
2.5KVr.m.s. Mini Flat 4 PS2911 6
Feedback for DC to DC Converter
Isolation Voltage Package Family Table
5KVr.m.s. DIP 4 PS25xx 1
5KVr.m.s. LSOP 4 PS2381 2
3.75KVr.m.s. SOP 4 PS27xx 3
2.5KVr.m.s. isolation,
3.75KVr.m.s. for PS2861B SSOP 4 PS28xx 4
2.5KVr.m.s. Mini Flat 4 PS2911 6
10.16 mm
10.16 mm
7.62 mm
9.60 mm
6.5 mm
10.05 ±0.4 mm
9.65±0.4 mm
L
L1
L2
L3
L4
6.5 mm
+0.5
- 0.1
+0.5
- 0.1
Part Numbering System
Options
23
25
27
28
29
81
83
85
88
91
92
93
94
95
98
99
ID
Number
Options
A
B
C
D
F
Options
Tape/
Reel
Options
Lead
Finish
Options
Lead
Bend
Options
V =
VDE
Options
CTR
Rank
(See
Datasheet)
Options
1
2
4
PS XX XX Y X X-X-X-X-X-
Note: This diagram is intended to explain existing part numbers and is not to be used to create part numbers since NOT all combinations are available.
Package Style
No. Description
23 4 Pin LSOP (Pin pitch 2.54 mm)
25 4 Pin to16 DIP Multi Type
27 4 Pin to16 SOP (Pin pitch 2.54 mm)
28 4 Pin or 16 SSOP (Pin pitch 1.27 mm)
29 4 Pin Mini Flat (Pin pitch 1.27 mm)
81 SOP5 (Analog Output)
83 6 Pin SDIP (Analog Output)
85 8 Pin DIP (Hi-Speed Analog Output)
88 SO8 (Analog Output)
91 SOP5 (Digital Output)
92 SOP5 (Digital Output / 5.5 mm long creepage)
93 6 Pin SDIP (Digital Output)
94 SO16 (Hi-Speed / Hi-Function)
95 8 Pin DIP (Hi-Speed / Hi-Function)
98 SO8 (Digital Output)
99 8 Pin DIP (Long Creepage Distance 14 mm)
Package Terminology
Style Description
DIP Dual In Line Package with through hole and/
or surface mount leads
Mini Flat Small package with flat surface mount leads
LSOP Long Small Outline Package with surface
mount leads
SDIP Small Dual in Line Package with surface
mount leads
SOP Small Outline Package with surface mount
leads
SSOP Shrink Small Outline Package with surface
mount leads
Variations
Letter Description
A Die shrunk
B High Temperature
C Die Shrunk High VCEO
D New Process
F New Process
Channel Type
No. Description
1 1-Channel Type
2 2-Channel Type
4 4-Channel Type
Tape and Reel
Options Description
E3 Reel
F3 Larger Reel
Lead Finish
Options Description
None Standard Finish
A Pb-Free Finish
AX NiPdAu Finish
Smart Meters
Optocoupler Optocoupler
RS485
Clock
Output
DSP
Power Sensor
Calibration Optocoupler Optocoupler
MCU
Smart Meters
Solar Power
Home System
Solar Cell
Plant / Building
System
Power Conditioner
Inverter Circuit
Inverter Circuit
(~5kW)
(~10kW)
AC
IPM
IGBT
AC
VCC
VCC
Gate Drive
Circuit
DC/DC
Converter
DC/DC
Converter
Isolation between Calibration and DSP
Isolation Voltage Package Family Table
5KVr.m.s. DIP 4 PS2561D 1
High Speed Isolation between MCU
and RS485
Speed Package Family Table
10 Mb/s Digital SOP 5 PS9117A 5
10 Mb/s Digital SDIP 6 PS9317 5
Isolation between MCU and clock output
Isolation Voltage Package Family Table
5KVr.m.s. DIP 4 PS2561D 1
For more information please visit us at www.cel.com/Optocouplers
IGBT Gate Driver
IO peak (A) Package Family Table
2.5 DIP 8 PS9905 7
0.6 SDIP 6 PS9307 7
2.5 SDIP 8 PS9305 7
2.5 DIP 8 PS9505 7
0.6 DIP 8 PS9506 7
IPM Driver
Isolation Voltage Package Family Table
3.75KVr.m.s. SOP 5 PS9113 8
5KVr.m.s. DIP 8 PS9513 8
Feedback Control Circuit in DC/DC Converter
Isolation Voltage Package Family Table
5KVr.m.s. DIP 4 PS2561D 1
Questions ?
• What Isolation Voltage do you require?
• What Transfer Speed do you require?
• SMT or Through Hole Package?
• How many channels do you need to isolate?
(1,2 or 4 per package)
• What Operating Temperature do you require?
• What are your creepage distance requirements?
• What Safety Standards do you require?
(UL, VDE, etc.)
Questions ?
• What Isolation Voltage do you require?
• What Transfer Speed do you require?
• SMT or Through Hole Package?
• How many channels do you need to isolate?
(1,2 or 4 per package)
• What Operating Temperature do you require?
• What are your creepage distance requirements?
• What Safety Standards do you require?
(UL, VDE, etc.)
Table
2
Root Part Input Output Operating Temperature Range
(°C)
VCEO Max
(V)
IF Max
(mA)
CTR
(%)
CTR Rank
Available Comments
PS2381* DC Standard -40 to +115 80 60 50-450 Yes Stretched package, high temp operation
Table
5
Root Part Type Speed Operating Temperature
Range (°C) Package Isolation
Voltage
(Vr.m.s.)
CMR
(KV/µS)
VCC
Max
(V)
VCC TYP
(V) Comments
PS9122* High Speed / High Function 1 Mbps -40 to +100 5 pin SOP 3.75K ±15 7 3.3 or 5 3.3V & 5V versions, Open Collector
PS9117A* High Speed / High Function 10 Mbps -40 to +85 5 pin SOP 3.75K ±15 7 5 5V, Low Distortion
PS9821* High Speed / High Function 15 Mbps -40 to +85 SO8 2.5K ±15 7 3.3 3.3V, Low Distortion
PS9324L/L2* High Speed / High Function 15 Mbps -40 to +100 6 pin SDIP 5k ±15 7 3.3 or 5 3.3V & 5V versions, Open Collector, Low Distortion
PS9123* High Speed / High Function 15 Mbps -40 to +100 5 pin SOP 3.75K ±15 7 5 Totem Pole Output, Low Distortion
PS8101 High Speed / High Function 1 Mbps -55 to +100 5 pin SOP 3.75K ±15 35 - High CMR analog output
PS8821 High Speed / High Function 1 Mbps -55 to +100 SO8 2.5K ±1 7 3.3 typ. 3.3V, Power Over Ethernet
PS9822 High Speed / High Function 1 Mbps -40 to +100 SO8 2.5K ±20 7 3.3 or 5 3.3V & 5V versions, Open Collector
PS9121 High Speed / High Function 15 Mbps -40 to +85 5 pin SOP 3.75K ±15 7 3.3 3.3V, Low Distortion
PS9817A High Speed / High Function 10 Mbps -40 to +85 SO8 2.5K ±15 7 5 5V, Low Distortion
PS9317 High Speed / High Function 10 Mbps -40 to +85 6 pin SDIP 5K ±15 7 5 8mm creepage, 6 pin SDIP
PS9587 High Speed / High Function 10 Mbps -40 to +85 8 pin DIP 5K ±15 7 5 8mm creepage, 8 pin DIP
PS8501 High Speed / High Function 1 Mbps -55 to +100 8 pin DIP 5K - 35 - 8mm creepage, 8 pin DIP
PS9851 High Speed / High Function 15 Mbps -40 to +100 SO8 2.5K ±10 5.5 5 5V, 100°C max operating temp
Table
8
Root Part Input tPLH / tPHL
(nS)
Operating
Temperature Range
(°C)
Isolation
Voltage
(Vr.m.s.)
IF Max
(mA)
CMR
(KV/µS)
VCC Max
(V) Comments
PS9309* DC 250/250 -40 to +110 5K 20 ±15 20 5 Mbps Totem Pole output type, 6 pin SDIP, IPM driver
PS9303 DC 500/550 -40 to +110 5K 20 ±15 25 1 Mbps Totem Pole output type, 6 pin SDIP, IPM driver
PS9113 DC 750/500 -40 to +110 3.75K 25 ±15 35 1 Mbps, open collector output,5 pin SOP (SO5) IPM driver
PS9313 DC 750/500 -40 to +110 5K 25 ±15 30 1 Mbps, open collector output, 8mm creepage 6 pin SDIP IPM driver
PS9513 DC 750/500 -40 to +100 5K 30 ±15 35 1 Mbps, open collector output, 8mm creepage 8 pin DIP IPM driver
Table
9
Root Part Operating Temperature
Range (°C)
Bandwidth
TYP (kHz)
Input Supply DD1
Max (mA)
Output Supply DD2
Max (mA)
Gain v/v
TYP
Gain Error
(%)
CMR
(KV/µS) Comments
PS8551* -55 to +100 100 18 16 8 ±3 ±10 1 Mbps high CMR analog output isolation amplifier
Table
10
Root Part
Operating
Temperature Range
(°C)
VCC
Max
(V)
VCC Range
Recommended
(V)
Input Supply DD1
Max (mA)
Output Supply DD2
Max (mA)
ENOB
(Bits Min)
Output Clock
Frequecy (MHz Typ) Comments
PS9551 -40 to +85 5.5 4.5 to 5.5 18 15 10 10 High CMR digital ouptut isolation amplifier,
sigma-delta modulator
Table
6
Root Part Input Output Operating Temperature Range
(°C)
VCEO
Max (V)
IF Max
(mA)
CTR
(%)
CTR Rank
Available Comments
PS2911* DC Standard -55 to +100 40 50 100 - 400 Yes Ultra small flat-lead package
PS2705A AC Standard -55 to +100 80 ±30 50-300 Yes AC input
Table
7
Root Part Input tPLH / tPHL
(µS)
Operating Temperature Range
(°C)
Isolation
Voltage
(Vr.m.s.)
IF Max
(mA)
CMR
(KV/µS)
VCC Max
(V) Comments
PS9905* DC 0.25 -40 to +110 7.5K 25 ±25 30 14mm Long creepage, 8 pin DIP
PS9307* DC 0.175 -40 to +125 5K 25 ±50 35 6 pin SDIP
PS9505* DC 0.25 -40 to +110 5K 25 ±25 30 UVLO (Under Voltage Lock Out) protection with hysteresis
PS9402* DC 0.2 -40 to +110 5K 25 ±25 33 Fault detection (desaturation detection, UVLO protection and
active Miller clamping)
PS9305 DC 0.25 -40 to +110 5K 25 ±25 30 UVLO (Under Voltage Lock Out) protection with hysteresis
PS9506 DC 0.4 -40 to +110 5K 25 ±25 30 8mm creepage option available
Bold*= Focus Products
Reference Tables
Table
1
Root Part Input Output Operating Temperature Range
(°C)
VCEO Max
(V)
IF Max
(mA)
CTR
(%)
CTR Rank
Available Comments
PS2561D* DC Standard -55 to +110 80 40 50-400 Yes Low cost version of PS2561B, PS2501 and PS2501A, High temp
PS2501 DC Standard -55 to +100 80 80 80-600 Yes Standard
PS2501A DC Standard -55 to +100 70 30 50-400 Yes Low cost version of PS2501
PS2561B DC Standard -55 to +110 80 40 50-400 Ye s High temp, 0.4mm Internal isolation distance
PS2561F DC Standard -55 to +110 80 30 300-600 No Low cost version of PS2501-1-K, High temp
Table
3
Root Part Input Output Operating Temperature Range
(°C)
VCEO Max
(V)
IF Max
(mA)
CTR
(%)
CTR Rank
Available Comments
PS2761B* DC Standard -55 to +110 70 25 50-400 Yes High temp, low cost version of PS2701 and PS2701A
PS2701 DC Standard -55 to +100 40 50 50-300 Yes Standard
PS2701A DC Standard -55 to +100 70 30 50-300 Yes Low cost version of PS2701
Table
4
Root Part Input Output Operating Temperature Range
(°C)
VCEO Max
(V)
IF Max
(mA)
CTR
(%)
CTR Rank
Available Comments
PS2861B* DC Standard -55 to +110 70 50 50-400 No High temp version of PS2801 and PS2801C
PS2801C DC Standard -55 to +100 80 30 50-400 Ye s Low cost version of PS2801
PS2801 DC Standard -55 to +100 80 50 80-600 Ye s Standard
PS2805C AC Standard -55 to +100 80 ±30 50-400 Ye s AC input
PS2841-4x
x=A common
cathode
x=B common
anode
Common
Collector -40 to +100 70 20 100-400 No Ultra SSOP, quad channel with 12 leads
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