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Renesas R2A30440NP#U0
- Part No.:
- R2A30440NP#U0
- Manufacturer:
- Renesas
- Category:
- Motor Drivers, Controllers
- Package:
- 40-WFQFN Exposed Pad
- Datasheet:
-
R2A30440NP#U0.pdf
- Description:
- IC MOTOR DRIVER 6CH 40WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,881
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Product details
Overview
R2A30440NP#U0 from Renesas Electronics is a 6-channel motor driver IC designed for precision actuator control in digital still cameras (DSC), digital video cameras (DVC), and surveillance camera autofocus/zoom modules. It integrates six H-bridge outputs, serial control logic (3-line interface), built-in D-class amplifiers for CH1–CH4, constant-current (CC) drive for CH5–CH6, FLL control on CH5, and autonomous micro-stepping up to 1024-step resolution.
For engineers reviewing the R2A30440NP#U0 datasheet, R2A30440NP#U0 pinout, R2A30440NP#U0 application, or R2A30440NP#U0 equivalent, key selection criteria include channel-specific drive modes (FS/CV/CC), thermal derating at >25°C ambient, exclusive control for 7-ch emulation, and QFN-40 package thermal pad grounding to DGND.
Technical Context
The R2A30440NP#U0 implements six independent motor channels with differentiated output architectures: CH1–CH2 use D-class H-bridge amplifiers supporting 2-2/1-2 phase stepping and micro-stepping; CH3–CH4 add constant-voltage (CV) full-swing PWM drive; CH5 supports constant-current (CC) drive with FLL-based current regulation; CH6 provides CC drive without FLL. All channels accept serial or discrete line control (IN3–IN6).
Control is managed via a 3-line SPI-compatible interface (CS/SCLK/SDAT) operating up to 5 MHz, with autonomous operation enabled by internal latch and U-STEP circuits. Power domains are isolated: VCC (2.7–3.6 V) supplies logic, while VM pins (VM12/VM34/VM5/VM6, each 2.7–5.5 V) supply respective motor channels independently - no internal connection between VM pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Supply Range | 2.7 V to 3.6 V - powers internal logic, DAC, and serial interface; 3.3 V nominal ensures stable register operation. |
| VM Supply Range (per channel) | 2.7 V to 5.5 V - separate VM pins (VM12, VM34, VM5, VM6) require external decoupling and must not be shorted. |
| Output Current (CH1–CH2) | ±600 mA DC - sufficient for small lens focus actuators; thermal derating applies above 25°C ambient. |
| Output Current (CH3–CH6) | ±800 mA DC - enables higher-torque zoom or iris motors; CH5/CH6 support CC mode with RNF5/RNF6 sense resistors. |
| Micro-step Resolution | 256 / 512 / 1024 steps - programmable via serial interface; eliminates external step-divider circuitry. |
| FLL Control | Enabled only on CH5 in Full-Swing mode - regulates coil current using internal feedback loop and DAC reference (1.25 V). |
| Thermal Derating | −12.72 mW/°C above 25°C - requires heatsink pad soldered to DGND (Pin 10) for sustained >826 mW operation. |
Pinout & Package
Package: 40-pin QFN, 5 mm × 5 mm × 0.80 mm (max), underside thermal pad connected to DGND (Pin 10); leads located on package underside.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT1A / OUT1B | H-bridge output pair (CH1) | Drives one coil of 2-phase stepper motor; D-class amplifier output with micro-step capability. |
| VM12 / PGND12 | Motor power supply & return (CH1–CH2) | Independent VM12 pin must be externally decoupled; PGND12 shared ground path for CH1/CH2 switching noise. |
| OUT3A / OUT3B | H-bridge output pair (CH3) | Supports CV mode with full-swing PWM; used for zoom actuator requiring higher voltage headroom. |
| VM34 / PGND34 | Motor power supply & return (CH3–CH4) | Separate VM34 pin enables independent rail tuning for CH3/CH4; no internal connection to VM12 or VM5. |
| OUT5A / OUT5B | H-bridge output pair (CH5) | Constant-current drive with FLL; requires external RNF5 sense resistor (pin 23) for closed-loop current regulation. |
| VM5 / PGND5(RNF5) | Motor supply & current sense (CH5) | PGND5 connects to RNF5 resistor; VM5 powers CH5 bridge and sets compliance voltage for FLL loop. |
| OUT6A / OUT6B | H-bridge output pair (CH6) | Constant-current drive without FLL; uses RNF6 (pin 15) for open-loop current setting. |
| VM6 / PGND6(RNF6) | Motor supply & current sense (CH6) | VM6 must be routed separately; RNF6 defines CH6 current limit independent of CH5. |
| DGND (Pin 10) | Digital ground & thermal pad anchor | Must connect underside thermal pad to DGND plane; critical for thermal performance and noise isolation. |
| CS / SCLK / SDAT | 3-line serial interface inputs | Enable configuration of drive mode, micro-step resolution, and channel enable/disable without MCU GPIO overhead. |
Key Features
| Feature | Design Value |
|---|---|
| 6-channel H-bridge integration | Eliminates six discrete driver ICs; reduces PCB area and BOM count for multi-actuator camera modules. |
| Per-channel VM supply isolation | Allows independent voltage optimization per actuator type (e.g., 3.3 V for focus, 5.0 V for zoom), minimizing cross-talk and thermal coupling. |
| FLL-controlled constant-current on CH5 | Maintains precise coil current under varying battery voltage or temperature, improving autofocus repeatability in DSC/DVC. |
| 1024-step micro-stepping with U-STEP logic | Enables smooth, silent lens movement without external step-divider ICs or complex MCU firmware interpolation. |
| Exclusive control mode (CH5+CH6) | Emulates 7th channel by time-multiplexing CH5/CH6 outputs - useful for dual-coil iris or hybrid focus-zoom mechanisms. |
Applications
| Autofocus Actuator Control | Optical Zoom Motor Drive |
|---|---|
Use Scenario: High-speed, low-noise focusing in compact digital still cameras during burst capture. IC Role / Device Role / Timing Role: R2A30440NP#U0 drives dual-coil voice coil motor (VCM) via CH1–CH2 in 1024-step micro-step mode with autonomous timing. Use Value: Achieves sub-micron positioning accuracy and <10 ms step response without MCU intervention, reducing system latency. | Use Scenario: Precise, jitter-free optical zoom in consumer DVCs with variable focal length lenses. IC Role / Device Role / Timing Role: R2A30440NP#U0 controls 4-phase stepper motor via CH3–CH4 in constant-voltage (CV) full-swing PWM mode. Use Value: Delivers 800 mA peak current per phase at 5.0 V VM34, enabling 10× zoom range with <0.5% position error over temperature. |
| Iris Aperture Control | Surveillance Camera PTZ Auxiliary Drive |
Use Scenario: Closed-loop aperture adjustment in broadcast-grade surveillance cameras under varying light conditions. IC Role / Device Role / Timing Role: R2A30440NP#U0 operates CH5 in FLL-controlled constant-current mode, reading back current via RNF5 for real-time calibration. Use Value: Maintains ±1% f-stop accuracy across −20°C to +70°C ambient by compensating for coil resistance drift. | Use Scenario: Secondary pan/tilt fine-adjustment in IP-based PTZ cameras where main motors are driven externally. IC Role / Device Role / Timing Role: R2A30440NP#U0 uses CH6 in constant-current mode and CH1–CH2 in exclusive control to emulate 7-channel sequencing. Use Value: Enables smooth, coordinated motion of auxiliary optics (e.g., ND filter wheel + IR cut filter) without additional driver ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 6-channel motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TD350A-6 | Lacks FLL control and thermal derating data; uses 48-QFN (6×6 mm), larger footprint. | Supports only CV/FS modes - unsuitable for closed-loop iris control requiring CH5-level current stability. | Select R2A30440NP#U0 when FLL-regulated CC drive or 1024-step micro-stepping is required. |
| LV8731V | 4-channel only; no CH5/CH6 CC capability; no exclusive control mode; 32-QFN package. | Cannot emulate 7-channel operation or drive dual-current-sense actuators like ND+IR filters simultaneously. | Choose R2A30440NP#U0 for systems needing ≥5 independent current-controlled channels with serial configurability. |
Compared with TD350A-6 and LV8731V, the R2A30440NP#U0 uniquely combines FLL-based constant-current regulation on CH5, exclusive control for 7-ch emulation, and 1024-step autonomous micro-stepping - all in a compact 5×5 mm QFN package with verified thermal performance up to 1590 mW.
Availability
R2A30440NP#U0 is available at Aetrix Electronics and suitable for digital camera module design, surveillance camera OEM production, and optical actuator development requiring stable component supply, long-lifecycle support, and RoHS-compliant packaging.
Supply support for R2A30440NP#U0 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 Corporation is a Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power management ICs for automotive, industrial, and consumer applications.
The R2A30440NP#U0 belongs to Renesas' camera-optimized motor driver product line, engineered specifically for high-precision, low-noise actuator control in space-constrained imaging systems.
FAQ
What drive modes does the R2A30440NP#U0 support per channel?
The R2A30440NP#U0 supports distinct modes per channel group: CH1–CH2 use D-class H-bridge with 2-2/1-2 phase and micro-stepping; CH3–CH4 support constant-voltage (CV) full-swing PWM; CH5 enables constant-current (CC) with FLL regulation; CH6 provides CC without FLL. Mode selection is configured via serial interface or discrete control lines (IN3–IN6).
How is thermal management implemented on the R2A30440NP#U0?
The R2A30440NP#U0 requires soldering the underside thermal pad to DGND (Pin 10) for effective heat dissipation. Its allowable power consumption drops linearly at −12.72 mW/°C above 25°C ambient, reaching 826 mW at 85°C. A glass-epoxy 4-layer PCB with specified copper occupancy is recommended to sustain 1590 mW at 25°C.
Can the R2A30440NP#U0 drive more than six actuators?
Yes - using exclusive control mode, the R2A30440NP#U0 can time-multiplex CH5 and CH6 to emulate a 7th channel. This allows coordinated control of dual-coil mechanisms (e.g., ND filter + IR cut filter) without adding hardware, though only one of CH5 or CH6 operates at any instant.
What is the function of the RNF5 and RNF6 pins on the R2A30440NP#U0?
RNF5 (Pin 23) and RNF6 (Pin 15) are dedicated current-sense resistor connections for CH5 and CH6 constant-current operation. They provide feedback to the internal current regulation circuitry - RNF5 enables FLL-controlled CC on CH5, while RNF6 sets open-loop CC on CH6. Both resistors must be placed close to their respective pins with Kelvin routing.
Is the R2A30440NP#U0 compatible with 1.8 V logic interfaces?
No - the R2A30440NP#U0 requires VCC between 2.7 V and 3.6 V for proper serial interface (CS/SCLK/SDAT) and internal logic operation. Its input thresholds are referenced to VCC, so 1.8 V signals will not meet VIH/VIL specifications and may cause unreliable configuration or reset behavior.
R2A30440NP#U0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 40-WFQFN Exposed Pad
- Packaging:
- Tray
- Product Status:
- Obsolete
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- -
- Function:
- Driver
- Output Configuration:
- Half Bridge (6)
- Interface:
- PWM
- Technology:
- CMOS
- Step Resolution:
- >256 Microsteps
- Applications:
- General Purpose
- Current - Output:
- 800mA
- Voltage - Supply:
- 6.5V
- Voltage - Load:
- -
- Operating Temperature:
- -30°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-QFN (5x5)
R2A30440NP#U0 FAQ
1.How can I place an order for R2A30440NP#U0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R2A30440NP#U0 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 R2A30440NP#U0 reliable?
The price and inventory of R2A30440NP#U0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R2A30440NP#U0 is usually 5 days.
3.What payment methods are accepted for R2A30440NP#U0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R2A30440NP#U0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R2A30440NP#U0?
R2A30440NP#U0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R2A30440NP#U0 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 R2A30440NP#U0?
For technical support, including R2A30440NP#U0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R2A30440NP#U0 requirements.
6.How does Aetrix verify that R2A30440NP#U0 is sourced from the original manufacturer or authorized distributors?
All R2A30440NP#U0 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 R2A30440NP#U0 meets industry standards.
7.What is the process for return or replacement of R2A30440NP#U0?
All R2A30440NP#U0 units undergo pre-shipment inspection (PSI). If there is an issue with R2A30440NP#U0, 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 R2A30440NP#U0 part is unused and in its original packaging.
Return procedure for R2A30440NP#U0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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