Avago Technologies ACPL-P340-000E User Manual

Gate Drive Evaluation Board

for ACPL-P343/W343 4.0 Amp Gate Drive Optocoupler
with Rail-to-Rail Output Voltage in Stretched SO6

User’s Guide

Product Description

The ACPL-P343/W343 is a 4.0 A peak output current gate
drive optocoupler with rail-to-rail output voltage and very
short propagation delay that help to improve the e ­ciency and reliability of IGBT gate driving.

ACPL-P343/W343 is ideally suited for driving IGBTs and
power MOSFETs used in motor control and renewable
energy inverter applications. The voltage and current
supplied by these optocouplers make them suitable for
direct driving of IGBTs with ratings up to 1200 V and 200 A.

ACPL-W343 has an insulation voltage of V
V

. It is also immune to common-mode voltage tran-

PEAK

sients as high as 1.5 kV and as fast as 35 kV/s.

IORM

= 1140

About Evaluation Board

The ACPL-P34X/W34X evaluation board allows a power­inverter designer to easily test the drive, rail-to-rail and
speed capability of the ACPL-P343/W343 gate drive opto­coupler. The evaluation board includes two separate gate
drive channels (one optocoupler per channel) making it
a half-bridge topology for driving directly the gates of
high-side and low-side IGBTs of a power inverter (such
as single-phase motor inverter or one phase of a 3-phase
motor inverter). This evaluation board can also support
ACPL-P341/W341 and ACPL-P340/W340.

Features

 Half-Bridge topology

 Footprints for bootstrap power supply con guration

 Works for IGBT TO-220 / TO-247 type

 Able to evaluate the 4 A drive, rail-to-rail and speed

performance

 Footprints for PCB mounting terminal blocks for wire

connections to motor

 Split resistors network to achieve high CMR response

 Example of good bypass capacitors layout

 Supports ACPL-P341/W341 and ACPL-P340/W340

Applications

 Isolated IGBT/MOSFET Gate Drive

 AC and Brushless DC Motor Drives

 Industrial Inverters

 Renewable Energy Inverters

 Uninterruptible Power Supplies (UPS)

Diagrams

The schematic diagram of the evaluation board can be
found in Figure 1 and 2. The top view of evaluation board
is in Figure 3.

CAUTION: When operating the board connected to a half-bridge dual IGBT (with the dual IGBT con-

nected to high-voltage rails) never short the output ground planes and scope ground together!! Also
when probing points on the upper gate-drive channel use a scope with adequate voltage rating!

TP_ANODE_T

1

1

TP_CATHODE_T

205 ohm

R1

137 ohm

R2

12

1

2

12

3

Anode

NC

Cathode

ACPL-P34X/W34X

U1

Vcc

Vout

Vee

1

6

C1

1 MF
50 V

5

2

4

1

1

EC1

Cbs

NM

2

NM

2

Figure 1. Schematic Diagram for ACPL-P34X/W34X Evaluation Board – Top

TP_ANODE_B

1

1

TP_CATHODE_B

205 ohm

R5

137 ohm

R6

12

1

2

12

3

Anode

NC

Cathode

ACPP-P34X/W34X

U2

Vcc

Vout

Vee

6

1

1

1 MF
50 V

EC2
NM

2

C2

5

2

4

Figure 2. Schematic Diagram for ACPL-P34X/W34X Evaluation Board – Bottom

1 2

R3

1 2

NM

R4

1 2

NM

R7

1 2

NM

R8

1 2

NM

Dbs

NM

D1

1 2

SS32

D2

1 2

SS32

Rbs

1 2

NM

1

ZD1

2

ZD2

1 2

12

ZD3

ZD4

1 2

3P_TO220

1

2
3

2P_HEADER

1

2

J4

1

2
3

2P_HEADER

1

2

J8

J1

NM

3P_TO220

J5

NM

G1

C1

E1

G2

C2

E2

3P_TO247

1

2

3

3P_TO247

1

2

3

NM

1

VCC_T

1

TP_OUT_T

3P_HEADER

1

1

1

1

1

1

J3

1

2

3

NM

TP_E1_T

TP_VEE_T

VCC_B

TP_OUT_B

3P_HEADER

J7

1

2

3

NM

TP_E2_B

TP_VEE_B

TP_G1

TP_C1

TP_E1

TP_G2

TP_C2

TP_E2

J2

NM

J6

ACPL-P343/W343

Top Gate Driver

Split Resistors

Input LED Drive

Gate Resistors

R3, R4, R7 & R8

ACPL-P343/W343

Bottom Gate Driver

Figure 3. Top Layer View

2

Isolation

Barrier

Bypass Cap

C1 & C2

Bootstrap Capacitor,

Resistor and Diode

IGBT TO-220/247

Type Package

PCB Mounting

Terminal Blocks

J3 & J7

Negative Power Supply

Jumpers J4 & J8