Broadcom ACNT-H343 5A Gate Drive Optocouplers

Broadcom ACNT-H343 5A Gate Drive Optocouplers in 15mm SSO-8 packaging are designed for high-voltage, space-constrained industrial applications, including 690VAC motor drives and 1.5kVDC solar inverters. The packaging platform offers a wide 15mm creepage and 14.2mm clearance. Additional features include high insulation voltage and a compact footprint for enhanced high-voltage protection and signal isolation in tight spaces. Broadcom ACNT-H343 5A Gate Drive Optocouplers provide <100kV/μs common-mode transient immunity (CMTI), preventing erroneous gate driver failures in noisy environments. These devices are three times faster than the previous generation, enabling high-frequency switching to improve efficiency in driving IGBTs and SiC/GaN MOSFETs.


  • 5A maximum peak output current
  • 15mm creepage and 14.2mm clearance
  • Rail-to-rail output voltage
  • UVLO with VE reference for negative power supply
  • 150ns maximum propagation delay
  • 90ns maximum propagation delay difference
  • 100kV/µs minimum common-mode rejection (CMR) at VCM = 1500V
  • 5mA maximum supply current ICC
  • Wide 15V to 30V operating VCC range
  • -40°C to +110°C industrial temperature range
  • Safety approvals
    • UL recognized: 7500 VRMS for 1 minute
    • CSA approved
    • IEC/EN/DIN EN 60747-5-5 VIORM = 2262VPEAK


  • IGBT/MOSFET gate drives
  • AC and brushless DC Motor drives
  • Renewable energy inverters
  • Industrial inverters
  • Switching power supplies


Published: 2019-09-20 | Updated: 2023-06-30