Broadcom ACPL-337J Referenzhandbuch - Seite 8

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ACPL-337J Reference Manual

Fuji Electric PIM Module EP2 Package Evaluation Board

2.2 Gate Drive Design

Figure 6: Block Diagram of ACPL-337J and SO-16 Package

The ACPL-337J is a fully featured 4A smart gate drive optocoupler device capable of driving 600V, 650V, or 1200V, up to

200A IGBT directly. The device features rail-to-rail output, integrated LED driver, active Miller clamp, high desaturation

(DESAT) blanking current source, and Under Voltage Lock-Out (ULVO) feedback control circuit, providing a complete

cost-effective gate drive solution for motor control and power inverter applications. The ACPL-337J is available in a compact,

surface-mountable SO-16 package with 8 mm of creepage and clearance. It provides the reinforced insulation certified by

safety regulatory IEC/EN/DIN, UL, and CSA with working voltage of V

= 1414V

IORM

PEAK

Figure 7: ACPL-337J Gate Drive Circuit

The schematic shows the gate drive design for the top bridge, U-phase IGBT using ACPL-337J (IC3). Other phases (V and

W), bottom bridge, and braking IGBTs use the same gate drive circuits.

Broadcom

ACPL-337J-EP2-RM100