CA-IS3221BN

The CA-IS322x devices are a family of dual-channel isolatedgate drivers capable of sinking 6A and sourcing 5A peakcurrents. These devices have very fast switching time,combined with short propagation delays (56ns, typ) andsmall pulse width distortion, making them ideal to drivepower MOSFET, IGBT or silicon-carbide(SiC) transistorswith up to 5MHz frequency in various inverter, isolatedpower supply or motor control applications.

All devices have integrated digital galvanic isolation usingChipanalog’s proprietary capacitive isolation technology.They feature isolation for a withstand voltage rating of3.75kV_RMS for 60 seconds with minimum common-modetransient immunity (CMTI) of 100V/ns. The internalfunctional isolation between driver A and driver B on thesecondary-side allows up to 1500V DC working voltage.

The CA-IS322x family of devices can be configured as duallow-side, dual high-side or half-bridge drivers withprogrammable dead-time. The enable control (EN pin forthe CA-IS3222) and disable control (DIS pin for theCA-IS3221) allow both driver A and driver B outputs to bequickly set to logic-low, turning off the external powertransistor. They also have a default-low output. The defaultis the state the output assumes when the input is eithernot powered or is open-circuit. Also, the driver outputs areset to logic-low when input-side or output-side supply is inUVLO, or the device is disabled.

The CA-IS322x devices accept 3V to 18V VCCI supply and upto 25V VDD_ wide supply range. They are available in a16-pin narrow-body SOIC package. The devices are ratedfor operation at ambient temperatures of -40°C to +125°C.