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CA-IS3221CK-Q1

CA-IS3221CK-Q1

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Automotive, 6A Sink/4A Source, 5.7kVRMS Isolated Dual-channel Gate Driver

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

All devices have integrated digital galvanic isolation using Chipanalog’s proprietary capacitive isolation technology. They feature isolation for a withstand voltage rating of 5.7kVRMS (wide SOIC package) for 60 seconds with minimum common-mode transient immunity (CMTI) of 100V/ns. The internal functional isolation between driver A and driver B on the secondary-side (output-side) allows up to 1500V DC working voltage.

The CA-IS322x family of devices can be configured as dual low-side, dual high-side or half-bridge drivers with programmable dead-time. The enable control (EN pin for the CA-IS3222) and disable control (DIS pin for the CA-IS3221) allow both driver A and driver B outputs to be quickly set to logic-low, turning off the external power transistor. They also have a default-low output. The default is the state the output assumes when the input is either not powered or is open-circuit. Also, the driver outputs are set to logic-low when input-side or output-side supply is in UVLO, or the device is disabled.

The CA-IS322x devices accept 3V to 18V VCCI supply and up to 25V VDD_ wide supply range. They are available either in a 16-pin and 14-pin wide-body SOIC packages. All devices are rated for operation at ambient temperatures of -40°C to +125°C

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  • Features

    Support Broad Range of Applications

    Dual low-side, dual high-side drivers
    Half-bridge drivers

    6A Peak Sink Current and 5A Peak Source Current

    Wide Supply Range

    3V to 18V Input-side VCCI supply range
    Up to 25V VDD_ output drive supply
    Provide 8V and 12V precision UVLO options

    Matching Propagation Delay

    56ns Propagation delay (Typ.)
    5ns Propagation delay matching (Max.)
    7ns Pulse width distortion(Max.)
    20ns Minimum pulse width(Typ.)

    Programmable Overlap and Dead-time

    -40°C to +125°C Operating Temperature Range

    Robust Galvanic Isolation

    High lifetime: >40 years
    Up to 5.7kVRMS (wide SOIC package) isolation rating
    Common-mode transient immunity (CMTI) >±100V/ns
    Withstands up to 12.8kV surge

    Package options

    Wide-body SOIC16(W) package
    Wide-body SOIC14(K) package

    Safety regulatory approvals

    8000 VPK reinforced isolation per DIN V VDE V0884-17: 2021-10
    5.7 kVRMS isolation for 1 minute according to UL1577

  • Applications

    • Isolated DC-DC and AC-DC Converters

    • Motor Control

    • LED Lighting

    • Uninterruptible Power Supply (UPS)

    • Isolated Gate Driver for Inverters

    • HEV/EV Battery Charge

  • Device Information

    Part NumberPackagePackage Size (Nominal Value)

    CA-IS3221-Q1

    CA-IS3222-Q1

    SOIC16-WB (W)

    SOIC14-WB (K)

    		10.3 mm x 7.5 mm

  • Simplified Functional Diagram

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