Automotive R²Coupler™ Photovoltaic MOSFET Driver

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The Broadcom ACPL-K30T is a photovoltaic MOSFET driver device specifically designed to drive high voltage MOSFETs. The device consists of an AlGaAs infrared light-emitting diode (LED) input stage optically coupled to an output detector circuit. The detector consists of a photovoltaic diode array and a turn-off circuit. The photovoltaic driver is turned on upon a minimum input current of 10 mA through the input LED. The photovoltaic driver is turned off upon an input voltage of 0.8 V or less.

The ACPL-K30T is available in a stretched SO-8 package compatible with standard surface mount processes.

Broadcom R2Coupler isolation products provide reinforced insulation and reliability needed for critical automotive and high temperature industrial applications.


  • Qualified to AEC-Q100 Grade 1 Test Guidelines
  • Operating Temperature Range: -40°C to +125°C 
  • High Open Circuit Voltage: 7V typical at IF = 10mA 
  • Short Circuit Current: 5µA typical at IF = 10mA
  • Fast Switching Speed: 0.8ms TON, 0.04ms TOFF typical at IF = 10mA, CL = 1nF 
  • Wide Operating VCC Range: 10 to 20V
  • Photovoltaic Driver for Logic Level MOSFETs
  • Compact SSO-8 Package with 8mm Clearance and Creepage
  • Regulatory Approvals:
    – UL1577, CSA (5000VRMS for 1min)
    – IEC/EN/DIN EN 60747-5-5 (VIORM = 1140VPEAK)
  • Available Options:
    • 500 = Tape and Reel Packaging Option
    • XXXE = Lead Free Option


  • Battery Insulation Resistance Measurement / Leakage Detection
  • Battery Management System
  • Solid State Relay Module

Lifecycle Status


Substance Compliance

  • RoHS
    Pb-free options
Specification Value
Lifecycle Active
Distrib. Inventory Yes
Product Type Automotive Optocoupler
IF Min. (mA) 10.0
RoHS6 Compliant Pb-free options only
Operating Temperature Range -40°C to +125°C
Package Stretched SO8
UL Insulation Rating Viso (VRMS) 5000.0
IEC Maximum Working Insulation Voltage Viorm (VPEAK) 1140.0
Prop Delay (tPHL) Max. (µs) 0.12 ms
Prop Delay (tPLH) Max. (µs) 2 ms
Application Note1 i
Data Sheet1 i
Options Data Sheet3 i
Reliability Data Sheet5 i
Photocard1 i