NCD57253 Evaluation Board User Manual
■The NCD57253 Evaluation driver board is designed for evaluation of the NCD57253.
■The NCD57253 is a high current two channel gate driver. It can directly drive two independent MOFETs in any configuration.
■The driver provides 5 kVrms internal galvanic isolation from input to each output and functional isolation between the two output channels. The device accepts 3.3 V to 20 V bias voltage and signal levels on the input side and up to 32 V bias voltage on the output side. The device accepts complementary inputs and offers separate pins for Disable and Dead Time control for system design convenience. NCD57253 is available in wide body SOIC−16 package.
●DESCRIPTION
■The board was created for the ability to verify and test the datasheet parameters. The board can be externally connected to a power device to verify real parameters in the system. It contains all the necessary peripheral components for direct connection to the power devices. The input bias is configured so the VDDA and VDDB can be powered by using many types of integrated dc−dc power supplies or can be powered directly from external power source. The PCB design is optimized to reduce loop areas and provide clear and simple measurement of all signals. All the parts (except optional dc−dc sources) are TOP mounted which allows easy replacement and can serve as an ideal reference design for future use.
●Features
■High Peak Output Current (+8 A/−8 A)
■Configurable as a Dual Low−Side or Dual High−Side or Half−Bridge Driver
■Programmable Overlap or Dead Time control
■Disable Pin to Turn Off Outputs for Power Sequencing
■ANB Function to Offer Flexibility to Set up the Driver as Half−bridge Driver Operating with a Single Input Signal
■MOSFET Gate Clamping during Short Circuit
■Short Propagation Delays with Accurate Matching
■Tight UVLO Thresholds on all Power Supplies
■3.3 V, 5 V, and 15 V Logic Input
■5 kVrms Galvanic Isolation from Input to each Output and 1.5 kV Peak Differential Voltage between Output Channels
■1200 V Working Voltage (per VDE0884−11 Requirements)
■High Common Mode Transient Immunity
■High Electromagnetic Immunity
■This Device is Pb−Free, Halogen Free/BFR Free and is RoHS Compliant
■Non−inverting Output Signals
■PCB layout optimized for power supply bypassing capacitor, gate−driver loop
■Allows quick verification of most of the data sheet parameters
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User's Guide |
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Please see the document for details |
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SOIC−16 |
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English Chinese Chinese and English Japanese |
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December, 2021 |
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Rev. 0 |
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EVBUM2797/D |
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1.7 MB |
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