We developed an automotive body motor control circuit that supports sensorless vector control using SmartMCDTM, a gate driver IC with a built-in microcontroller. This reference design provides explanations of design points of various circuits, design data, and usage methods.
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Input voltage | DC 6 V to 18 V, 12 V (Typ.) |
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Max Motor Drive Current | 30 A (External Inverter Board) |
Supported motors and Control methods | 3-phase brushless motors, Sensorless vector control |
Hardware protection | Overcurrent indication (5.6 A using on-board inverter) |
Materials for designers, such as an overview of circuit operation and explanations of design considerations. Please click on each tab to view the contents.
Provides circuit data that can be loaded into EDA tools, PCB layout data, and data used in PCB manufacturing. Available in formats from multiple tool vendors. You can freely edit it with your preferred tool.
Part Number | Device Category | Portion Usage | Description |
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Pre-driver for automobile | Main Board ・1 | Pre-Driver IC for In-Vehicle BLDC Motors with MCU | |
Small Low ON resistance MOSFETs | Inverter Board・6 | N-ch, MOSFET, 40V, 12A, 18mΩ@4.5V, TSOP6F | |
Power MOSFET (N-ch single 30V<VDSS≤60V) | Inverter Board・6 | N-ch MOSFET, 40 V, 120 A, 0.00135 Ω@10V, DPAK+ | |
Power MOSFET (N-ch single 30V<VDSS≤60V) | Inverter Board・6 | N-ch MOSFET, 40 V, 120 A, 0.00114 Ω@10V, DSOP Advance(WF)M | |
Power MOSFET (N-ch single 30V<VDSS≤60V) | Inverter Board・6 | N-ch MOSFET, 40 V, 90 A, 0.0024 Ω@10V, SOP Advance(WF) | |
Power MOSFET (N-ch single 30V<VDSS≤60V) | Inverter Board・6 | N-ch MOSFET, 40 V, 40 A, 0.0038 Ω@10V, TSON Advance(WF) |
We provide materials useful for designing and considering similar circuits, such as application notes for installed products. Please click on each tab to view the contents.