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Renesas RAJ306101GNP#AAN
- Part No.:
- RAJ306101GNP#AAN
- Manufacturer:
- Renesas
- Category:
- Motor Drivers, Controllers
- Package:
- -
- Datasheet:
-
RAJ306101GNP#AAN.pdf
- Description:
- GENERAL PURPOSE MOTOR CONTROL IC
- Quantity:
- Payment:
- Shipping:
Inventory:245
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Product details
Overview
RAJ306101GNP#AAN from Renesas Electronics is a fully integrated 3-phase BLDC motor control IC combining an RX13T MCU and smart gate driver in an 8mm×8mm 56-lead QFN package. It supports bridge voltages from 6V to 65V, delivers 0.64A/1.28A peak gate drive current per half-bridge, integrates three differential amplifiers (gain configurable to 5/10/20/40 V/V), and enables sensorless FOC or hall-based commutation for vacuum cleaners, power tools, and robotics.
For engineers reviewing the RAJ306101GNP#AAN datasheet, RAJ306101GNP#AAN pinout, RAJ306101GNP#AAN application, or RAJ306101GNP#AAN equivalent, this page provides verified technical context, SPI-configurable gate drive parameters, integrated LDO/buck regulator architecture, fault reporting via nFAULT and status registers, and confirmed alternative motor control ICs with documented functional differences.
Technical Context
The RAJ306101GNP#AAN implements a tightly coupled MCU–gate driver architecture where the RX13T core (128KB flash, 12KB RAM, 12-bit ADC ×7) communicates internally with the smart gate driver via dedicated SPI, enabling real-time configuration of dead time, drive strength, and protection thresholds. Its three half-bridge drivers support both HI/LI and PWM modes with adaptive dead-time control and active gate-holding to suppress Miller-induced cross-conduction.
Power management includes a 500mA adjustable buck regulator (5–15V output for VDRV), two 5V LDOs (one for analog/logic, one for MCU), and a charge pump for high-side gate drive-enabling operation across 6–65V bridge voltage while maintaining thermal robustness up to 125°C junction temperature. Protection covers VDS overcurrent, shunt OC, thermal warning/shutdown, and supply OV/UV at VM, VCP, and VDRV rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VBRIDGE Range | 6V to 65V (78V absolute max); supports wide-input industrial and battery-powered BLDC systems |
| Gate Drive Current | 0.64A source / 1.28A sink peak per channel; sufficient for driving N-channel MOSFETs up to 65V bus |
| Differential Amplifier Gain | Configurable to 5/10/20/40 V/V; enables precise ground-referenced shunt current sensing |
| Buck Regulator Output | Adjustable 5V–15V (VDRV); powers gate drivers and charge pump with 500mA capability |
| MCU Core | RX13T 32-bit CISC CPU; 128KB code flash, 12KB RAM, 2×SPI, 2×I²C, 2×UART, 19 GPIO |
| Operating Temperature | −40°C to +105°C ambient; qualified for industrial and consumer motor applications |
| Package | 8mm × 8mm 56-lead QFN (0.5mm pitch); EPAD thermally connected to GND for 21.4°C/W θJA |
Pinout & Package
RAJ306101GNP#AAN uses an 8mm × 8mm 56-lead QFN package with exposed thermal pad (EPAD) requiring direct connection to system ground for thermal and electrical integrity. Pin functions are partitioned into MCU I/O (e.g., P40–P44 for ADC/comparator inputs), gate driver terminals (HOA/HOB/HOC, LOA/LOB/LOC, HSA/HSB/HSC), power domains (VBRIDGE, VM, VDRV, VCP, VCC5V, VDD), and analog sense inputs (DA1P/DA1N through DA3P/DA3N).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| HOA, HOB, HOC | High-side gate driver outputs | Drive gates of external N-channel MOSFETs; rail-to-rail swing referenced to VCP |
| LOA, LOB, LOC | Low-side gate driver outputs | Drive gates of external N-channel MOSFETs; referenced to VDRV (5–15V) |
| HSA, HSB, HSC | High-side source sense inputs | Connect directly to MOSFET source pins for VDS monitoring and overcurrent protection |
| DA1P/DA1N – DA3P/DA3N | Differential current sense inputs | Support three independent shunt resistors; configurable gain enables ±50mV to ±200mV full-scale range |
| nFAULT (P94) | Fault indicator output | Active-low open-drain signal asserting on thermal warning, VDS OC, or supply UV/OV faults |
| VCP, CPH, CPL | Charge pump terminals | Generate high-side gate drive voltage; require external flying capacitor between CPH and CPL |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 3-phase gate driver + RX13T MCU | Single-package solution eliminates inter-chip timing skew and reduces PCB area vs discrete MCU+driver designs |
| Configurable gate drive strength (16 levels) | SPI-adjustable drive current optimizes EMI vs switching loss trade-off without hardware change |
| Three differential amplifiers with programmable gain | Enables accurate 3-shunt current reconstruction for FOC algorithms without external op-amps |
| BEMF sensing amplifier + 3 comparators | Supports both sensorless (BEMF zero-crossing) and hall-sensor-based commutation in same device |
| Comprehensive fault protection suite | Includes VDS OC, shunt OC, thermal shutdown, and supply OV/UV detection with register-accessible status bits |
Applications
| Vacuum Cleaners | Power Tools |
|---|---|
Use Scenario: High-speed BLDC motor control in cordless vacuum cleaners requiring rapid acceleration, torque regulation, and thermal resilience. IC Role / Device Role / Timing Role: RAJ306101GNP#AAN executes field-oriented control (FOC) using 3-shunt current sensing and BEMF detection while managing gate drive timing and protection. Use Value: Integrated MCU and gate driver reduce component count by ≥30% versus discrete solutions, lowering BOM cost and layout complexity. | Use Scenario: Torque-responsive motor control in brushless drills and angle grinders operating from 18–40V battery packs. IC Role / Device Role / Timing Role: RAJ306101GNP#AAN drives three half-bridge MOSFETs with adaptive dead time and monitors phase currents for real-time overload cutoff. Use Value: 65V VBRIDGE rating and 125°C junction operation ensure reliable performance under high-load stall conditions. |
| Fans & Pumps | Robotics |
Use Scenario: Variable-speed HVAC fans and water pumps demanding quiet operation, efficiency, and smooth startup. IC Role / Device Role / Timing Role: RAJ306101GNP#AAN implements sensorless sinusoidal commutation using BEMF amplifiers and internal PWM timers. Use Value: Integrated 500mA buck regulator and dual 5V LDOs eliminate need for external PMIC, simplifying power tree design. | Use Scenario: Compact mobile robot drive motors requiring compact form factor, low sleep current, and integrated safety features. IC Role / Device Role / Timing Role: RAJ306101GNP#AAN performs closed-loop speed/torque control while reporting faults via nFAULT and SPI status registers. Use Value: 28μA sleep mode current extends battery life; IEC60730-compliant MCU hardware enables Class B safety certification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STSPIN32F0A | Integrates STM32F0 MCU + 3-phase gate driver; lacks configurable differential amplifier gain and BEMF amplifier; 60V VDS max | Targeted at cost-sensitive 24V–48V fans/pumps; no native support for 3-shunt FOC or thermal warning interrupt | Select when lower gate drive current (350mA peak) and simpler control suffice; verify external current sense amplifier needed |
| Infineon IFX007T | Standalone 3-phase gate driver only (no MCU); requires external microcontroller; 60V VDS, 1.5A sink current | Suitable for designs with existing MCU infrastructure; no integrated firmware or diagnostics registers | Select when full control flexibility is required and board space allows separate MCU; RAJ306101GNP#AAN preferred for integrated firmware and diagnostics |
Compared with STSPIN32F0A and IFX007T, RAJ306101GNP#AAN uniquely combines configurable analog front-end (gain-selectable differential amps + BEMF amp), SPI-accessible fault registers, and IEC60730-compliant MCU in one package-reducing system-level validation effort and enabling faster time-to-market for safety-certified motor drives.
Availability
RAJ306101GNP#AAN is available at Aetrix Electronics and suitable for vacuum cleaners, power tools, and robotics requiring stable component supply, long-term lifecycle support, and automotive-grade reliability in industrial environments.
Supply support for RAJ306101GNP#AAN includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.
The RAJ306101GNP#AAN belongs to Renesas' general-purpose motor control IC product line, designed specifically to integrate high-voltage gate driving, precision current sensing, and safety-certified MCU functionality into a single package for cost- and space-constrained BLDC applications.
FAQ
What is the maximum bridge voltage supported by the RAJ306101GNP#AAN?
The RAJ306101GNP#AAN supports a continuous bridge voltage (VBRIDGE) range of 6V to 65V, with an absolute maximum rating of 78V. This enables use in 24V, 36V, and 48V battery-powered tools and industrial equipment while maintaining safe operating margins under transient conditions.
Does the RAJ306101GNP#AAN support sensorless motor control?
Yes, the RAJ306101GNP#AAN supports sensorless BLDC commutation via its integrated BEMF sense amplifier and three general-purpose comparators. It can detect back-EMF zero-crossing events for startup and steady-state operation without hall sensors, enabling cost-effective and reliable motor control in fans, pumps, and vacuum cleaners.
How is fault reporting implemented in the RAJ306101GNP#AAN?
Fault reporting in the RAJ306101GNP#AAN occurs through both hardware and software channels: the nFAULT pin (P94) asserts low on critical events (thermal shutdown, VDS overcurrent, supply UV/OV), while detailed status bits-including individual fault sources-are accessible via SPI-readable Fault Status registers for diagnostic logging and recovery logic.
What power supply architecture does the RAJ306101GNP#AAN use?
The RAJ306101GNP#AAN integrates a 500mA adjustable buck switching regulator (output 5–15V for VDRV), two 5V LDOs (for analog/logic and MCU supplies), and a charge pump for high-side gate drive. This eliminates external PMIC requirements and supports low-quiescent-current sleep mode (28μA) for battery-operated devices.
Can the RAJ306101GNP#AAN perform field-oriented control (FOC)?
Yes, the RAJ306101GNP#AAN supports FOC implementation through its three differential amplifiers (configurable gain 5/10/20/40 V/V) for precise 3-shunt current sensing, 12-bit ADC with sample-and-hold, programmable gain amplifiers, and RX13T CPU with dedicated motor control timers-enabling real-time Clarke/Park transforms and PI current loop execution.
RAJ306101GNP#AAN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- -
- Packaging:
- Tray
- Product Status:
- Active
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- -
- Function:
- -
- Output Configuration:
- -
- Interface:
- -
- Technology:
- -
- Step Resolution:
- -
- Applications:
- -
- Current - Output:
- -
- Voltage - Supply:
- -
- Voltage - Load:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
RAJ306101GNP#AAN FAQ
1.How can I place an order for RAJ306101GNP#AAN through Aetrix?
Please submit a Request for Quotation (RFQ) for RAJ306101GNP#AAN on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for RAJ306101GNP#AAN reliable?
The price and inventory of RAJ306101GNP#AAN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RAJ306101GNP#AAN is usually 5 days.
3.What payment methods are accepted for RAJ306101GNP#AAN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RAJ306101GNP#AAN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RAJ306101GNP#AAN?
RAJ306101GNP#AAN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RAJ306101GNP#AAN order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for RAJ306101GNP#AAN?
For technical support, including RAJ306101GNP#AAN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RAJ306101GNP#AAN requirements.
6.How does Aetrix verify that RAJ306101GNP#AAN is sourced from the original manufacturer or authorized distributors?
All RAJ306101GNP#AAN products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that RAJ306101GNP#AAN meets industry standards.
7.What is the process for return or replacement of RAJ306101GNP#AAN?
All RAJ306101GNP#AAN units undergo pre-shipment inspection (PSI). If there is an issue with RAJ306101GNP#AAN, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The RAJ306101GNP#AAN part is unused and in its original packaging.
Return procedure for RAJ306101GNP#AAN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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