The RAJ306102 is a general-purpose motor control IC for 3-phase brushless DC (BLDC) motor applications. RAJ306102 combines a smart gate driver (RAA306012) and MCU (RL78/G1F) in a single package. The smart gate driver includes three half-bridge gate drivers, a buck switching regulator and a charge pump for the gate drive voltage, two LDOs for the internal analog and logic circuitry and MCU (3.3V to 5V adjustable), three accurate differential amplifiers, a BEMF sense amplifier, three general purpose comparators, and extensive protection functions.
The three half-bridge gate drivers are capable of driving up to three N-channel MOSFET bridges and support bridge voltages from 6V to 65V. Each gate driver supports up to 0.64A source and 1.28A sink peak drive current with adjustable drive strength control. Adaptive and adjustable dead times are implemented to ensure robustness and flexibility. The active gate holding mechanism prevents Miller effect induced cross-conduction and further enhances robustness.
Three accurate differential amplifiers with adjustable gain support ground-side shunt current sensing for each bridge. The device can support both BLDC sensor/sensorless motor drive by the three general-purpose comparators or a BEMF sense amplifier.
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Software type
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Company
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| Code Generator Plug-in Automatic driver generation tool for internal peripheral I/O modules through GUI settings [Standard features for Renesas IDE "e² studio" and CS+] [Support MCU/MPU: RL78, V850, 78K, RX]
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Code Generator | Renesas |
| e² studio - information for RL78 Family Eclipse-based Renesas integrated development environment (IDE).
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IDE and Coding Tool | Renesas |
| Renesas Motor Workbench Renesas Motor Workbench is a development support tool for debugging, analyzing, and tuning motor control programs.
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Solution Toolkit | Renesas |
| Renesas Flash Programmer (Programming GUI) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU Renesas Synergy, DA1453x, DA1459x, DA1469x, DA1470x, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
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Programmer (Unit/SW) | Renesas |
| CS+ Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0]
(Note: CS+ is not generally promoted to U.S. and European customers.)
(Note: To use Smart Configurator on CS+ for RL78/G23 and RX family MCUs, install the Smart Configurator for each MCU family separately downloading from ”Design & Support” > ”Development Tools” > ”Smart Configurator”)
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IDE and Coding Tool | Renesas |
| E2 emulator Lite [RTE0T0002LKCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
| E2 emulator [RTE0T00020KCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
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The RAJ306102 Renesas Solution Starter Kit (RTK0EML2J0S00020BJ) is used for evaluating a BLDC motor system using the RAJ306102 general-purpose motor control IC....
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.
| QFN | Tray | 3 | 3.594 | Get Samples, | |
| QFN | Reel | 3 |
Reduces the overall footprint by 50% due to high integration and allows customers to use battery cells up to 14-cell Li-ion products. The RAJ306102 supports sensorless 150-degree drive with our proven Enhanced Induction Sensing and MRI technology.
