31 August 2023

CISSOID at The Battery Show North America in Novi, Michigan, on 12-14 Sept 2023.

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Dual Channel Power Transistor Driver

CHT-ATLAS is a high-temperature, high reliability power transistor driver integrated circuit specifically designed to drive widebandgap power transistors, in particular Gallium Nitride (GaN) and Silicon Carbide (SiC) devices including normally-On and normally-Off JFETs, MOSFETs and BJTs. It is also used with standard silicon MOSFETs and IGBTs in standard temperature applications (e.g. 125°C) where it brings an increase in reliability and lifetime by an order of magnitude compared to traditional solutions. The circuit features 2 independent push-pull channels capable of sourcing/sinking 2A each. When configured together to drive a single power switch, the combination of the 2 distinct channels allows driving of specific devices that require for instance a dynamic pulse of current in combination with a continuous current in order to be properly turned-on. The circuit includes a soft-shut-down capability that slowly shuts down the power transistor in case of fault.

Typical performances:

  • Temperature range: -55°C to 225°C
  • Scalable sink/source current from 2A to 20A
  • Supply Voltage: 5V to 30V
  • Capable to drive normally-On and normally-Off power devices
  • Available Package: Ceramic SOIC28



  • Intelligent Power Modules (IPM)
  • Power conversion, power generation and actuator controls in aeronautics
  • Solar inverters
  • Motor drives, battery chargers and
  • DC-DC converters in EV / HEV
  • Power conversion and motor drive in railway
  • Switched mode power supplies (SMPS)
  • Wind turbine power converters


If you need support for your high temperature design, contact Cissoid.

Download CISSOID's Altium Library for IC symbols and package footprints. For installation, read the related Application Note.


Ordering information

Product name Ordering reference Package Marking