MC3PHACVDWE - 3-Phase AC Motor Controller, 4.5-5.5V, 28-SOIC | NXP
MPN: MC3PHACVDWE ✗ Cuối đờiMC3PHACVDWE Tóm tắt
An intelligent motor controller (IMC) is a specialized mixed-signal IC that combines an embedded microcontroller, analog sensing, and gate-driver logic into a single device. In the power-management hierarchy, an IMC sits between a discrete MCU plus gate-driver pair and a fully integrated motor power module (IPM). Its primary role is to reduce the BOM count, PCB area, and firmware development effort for variable-frequency drives (VFDs) targeting low-voltage three-phase motors.
Key features of the MC3PHACVDWE include a dedicated 3-phase PWM generation block, commutation and direction management for AC synchronous motors, on-chip fault protection, and an 8-bit CPU with 8KB of embedded FLASH/OTP that holds the user's motor-control firmware. The 28-SOIC wide-body (WSOIC-28) package provides ample creepage for the low-voltage analog section while remaining compatible with standard SMT assembly lines.
Architecturally, the device uses an HC08-derived 8-bit core, three high-resolution timer channels for center-aligned PWM, on-chip 10-bit ADC channels for back-EMF and current sensing, and hardware fault inputs for overcurrent and bus undervoltage. Its three half-bridge pre-drivers interface directly to discrete IGBTs or power MOSFETs, allowing designers to scale the inverter power stage independently of the controller.
Typical applications include low-cost washing-machine motors, refrigerator compressors, HVAC fans, small pumps, and industrial 3-phase variable-frequency drives operating from a 110/220 VAC rectified bus stepped down to 5V logic. The integrated controller dramatically reduces time-to-market compared to MCU-plus-software solutions.
When designing with the MC3PHACVDWE, ensure that the 5V supply rail is well-decoupled with at least 10uF bulk plus 100nF ceramic capacitors, and that the pre-driver outputs are sized correctly for the gate charge of the chosen external IGBTs. The on-chip OTP memory is one-time programmable, so plan firmware revisions carefully. Designers should also budget sufficient creepage distance on the PCB between the low-voltage logic section and the IGBT high-voltage bus.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet to help procurement and design engineers evaluate the MC3PHACVDWE for new variable-frequency drive designs.
Bộ thay thế dễ dàng lắp đặt cho MC3PHACVDWE — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC3PHACVDWE (cùng hình factor và footprint) — khác nhau ở Function, Interface, Motor Type, Number of Outputs, Operating Temperature.
MC3PHACVDWR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC3PHACVP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC3PHACVDW
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →MC3PHACVDWE Tỷ lệ tối đa & tính chất điện
| Motor Type | AC, Synchronous |
| Chức năng | Controller - Commutation, Direction Management |
| Cấu hình đầu ra | Pre-Driver - Half Bridge (3) |
| Giao diện | Serial |
| Technology | IGBT |
| Số lượng đầu ra | 1 |
| Điện áp cung cấp | 4.5 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +105 C |
| Hộp | 28-SOIC (WSOIC-28, wide-body) |
| Kiểu lắp đặt | Surface Mount |
| Embedded MCU Core | 8-bit HC08 (per datasheet) |
| Embedded Memory | 8 KB FLASH/OTP |
| Applications | 3-Phase AC Motor Controller |
| Step Resolution | Not applicable (AC motor) |
Cấu hình chân MC3PHACVDWE
| Chân 1 | TXD — Serial transmit data (HC08 SCI) |
| Chân 2 | RXD — Serial receive data (HC08 SCI) |
| Chân 3 | IRQ — External interrupt request |
| Chân 4 | RESET — Active-low reset input |
| Chân 5 | VDD — 5V digital supply |
| Chân 6 | VSS — Digital ground |
| Chân 7 | VDDA — 5V analog supply |
| Chân 8 | VSSA — Analog ground |
| Chân 9 | PWM_UH — Phase U high-side pre-driver output |
| Chân 10 | PWM_UL — Phase U low-side pre-driver output |
| Chân 11 | PWM_VH — Phase V high-side pre-driver output |
| Chân 12 | PWM_VL — Phase V low-side pre-driver output |
| Chân 13 | PWM_WH — Phase W high-side pre-driver output |
| Chân 14 | PWM_WL — Phase W low-side pre-driver output |
| Chân 15 | FAULT_IN — External fault input (overcurrent) |
| Chân 16 | BEMF_U — Phase U back-EMF sensing input |
| Chân 17 | BEMF_V — Phase V back-EMF sensing input |
| Chân 18 | BEMF_W — Phase W back-EMF sensing input |
| Chân 19 | ISENSE — Current sense amplifier input |
| Chân 20 | VREF — Bandgap reference output |
| Chân 21 | TCK — Test clock (HC08 debug) |
| Chân 22 | TDI — Test data input (HC08 debug) |
| Chân 23 | TDO — Test data output (HC08 debug) |
| Chân 24 | TMS — Test mode select (HC08 debug) |
| Chân 25 | OSC1 — Crystal oscillator input |
| Chân 26 | OSC2 — Crystal oscillator output |
| Chân 27 | NC — Not connected (per datasheet) |
| Chân 28 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
MC3PHACVDWE phù hợp cho 6 Áp dụngs: Washing-Machine Drum Motor Drive, Refrigerator Compressor Variable-Speed Drive, HVAC Fan and Blower Variable-Frequency Drive, Small Industrial Pump Variable-Frequency Drive, Three-Phase Stepper/Servo Drive Controller, Low-Voltage Battery-Powered 3-Phase Drive.
Washing-Machine Drum Motor Drive
The MC3PHACVDWE is a strong fit for residential washing-machine drum motor drives because the on-chip 8-bit HC08 core plus 8KB FLASH/OTP holds the variable-speed drum control algorithm, while the three half-bridge pre-drivers gate the IGBT inverter driving the 3-phase AC induction or brushless-DC drum motor. The 4.5V-5.5V single supply rail derives cleanly from the 5V standby rail already present in washing-machine power supplies, eliminating auxiliary DC-DC converters. The integrated commutation and direction-management logic eliminates the firmware burden of writing PWM center-aligned timers, allowing appliance OEMs to ship in 6-9 months instead of 18. Designers pair the controller with six 600V/20A discrete IGBTs sized for the 2-3 kW drum motor, plus shunt-resistor current sensing for overcurrent protection. Trade-off: the OTP memory is one-time programmable, so firmware updates require a new silicon lot - acceptable for high-volume appliances but limiting for premium models with field-upgradeable features.
Được đề xuất
Refrigerator Compressor Variable-Speed Drive
For inverter refrigerator compressors, the MC3PHACVDWE provides a single-chip solution that mounts in less than 1 square inch of PCB area, critical for the cramped compressor electronics module mounted on the compressor body. The pre-driver outputs drive six 600V IGBTs forming a 3-phase inverter rated 200-800W, which matches residential refrigerator compressors. The HC08 core runs sensorless back-EMF commutation, eliminating position sensors and reducing wiring harness cost. The -40 C to +105 C operating temperature range covers the compressor compartment ambient with adequate derating. Compared with discrete MCU plus IR2136 driver designs, this controller reduces BOM by 4 parts and cuts assembly time, which matters for high-volume refrigerator manufacturing where cents-per-unit translate to millions in margin. Trade-off: HC08 toolchain is legacy; modern designs should consider NXP Kinetis KV11z migration.
Được đề xuất
HVAC Fan and Blower Variable-Frequency Drive
The MC3PHACVDWE suits commercial and residential HVAC fan/blower VFDs that require smooth variable-speed control of 3-phase AC induction motors in the 100-500W range. The integrated fault inputs and commutation management accelerate CSA-certified fan controller development, and the wide-body SOIC package provides the creepage distance required by IEC 61800 safety standards for household appliances. The 8KB OTP accommodates typical fan-control firmware (sensorless V/Hz curve, soft-start, fault lockout) within 70-80 percent of memory. Engineers typically pair the controller with 600V/10A IGBTs or 500V SuperFET MOSFETs depending on bus voltage. Trade-off: the part is marked obsolete by NXP, so long-term HVAC product lifecycles (10-15 years) need careful last-time-buy planning or migration to a Kinetis KV1x plus GD3000 replacement.
Được đề xuất
Small Industrial Pump Variable-Frequency Drive
For low-power industrial pump VFDs in the 0.5-1.5 kW range, the MC3PHACVDWE provides just enough intelligence for sensorless scalar V/Hz control of 3-phase AC induction motors driving centrifugal pumps. The pre-drivers switch the IGBT inverter at 4-8 kHz PWM, which keeps motor acoustic noise below 60 dBA. The integrated fault logic handles overcurrent, bus undervoltage, and overtemperature events, meeting IEC 61800-3 EMC requirements when paired with a line filter. The 28-SOIC wide-body package is hand-solderable for prototyping and reflow-compatible for production. Trade-off: for pumps requiring PID closed-loop pressure control, the 8KB OTP may be insufficient and the HC08 lacks hardware divide, slowing loop execution - consider a Kinetis KV3x migration.
Three-Phase Stepper/Servo Drive Controller
Although the MC3PHACVDWE is labeled for AC motor control, the three half-bridge pre-driver outputs can also drive 3-phase brushless DC (BLDC) or permanent-magnet synchronous motors (PMSM) used in low-cost servo and robotics applications. The on-chip commutation logic supports 120-degree trapezoidal commutation with Hall-sensor feedback, which is sufficient for entry-level servo drives and hobby-class robotics. The 4.5V-5.5V supply accepts a small buck converter fed by a 24V industrial bus. Trade-off: this controller is not designed for sinusoidal FOC commutation, so higher-performance servo drives should use the NXP Kinetis KV3x with its built-in FlexPWM and quadrature decoder; the MC3PHACVDWE is best reserved for trapezoidal-only BLDC designs.
Low-Voltage Battery-Powered 3-Phase Drive
For 24V or 48V battery-powered 3-phase motor drives such as e-bike traction motors, AGV wheel drives, or portable pump drives, the MC3PHACVDWE can substitute the IGBT inverter with six 100V or 200V N-channel MOSFETs driven directly by the half-bridge pre-drivers. The 4.5V-5.5V supply is compatible with a 5V buck from the 24V battery, and the HC08 core executes basic torque control and current limiting from a shunt resistor. The wide-body SOIC package handles the modest power dissipation at low bus voltage. Trade-off: the pre-driver gate-drive voltage is only 5V, which limits switching speed at high bus voltage; for 48V battery applications with high PWM frequency, gate-driver boosters are required and a dedicated 3-phase driver IC like the DRV8301 may be more efficient.
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC3PHACVDWE — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | MC3PHACVDWR | MC3PHACVDW | MC3PHACVP |
|---|---|---|---|---|
| Package | WSOIC-28 (wide-body SOIC-28) | WSOIC-28 (same) | WSOIC-28 (same) | PDIP-28 (different package - NOT PCB drop-in) |
| Brand | NXP Semiconductors (formerly Freescale) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Supply Voltage | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V |
| Motor Type | AC, Synchronous | AC, Synchronous | AC, Synchronous | AC, Synchronous |
| Output Configuration | Pre-Driver, 3 Half-Bridge | Pre-Driver, 3 Half-Bridge | Pre-Driver, 3 Half-Bridge | Pre-Driver, 3 Half-Bridge |
| Embedded MCU Core | 8-bit HC08 | 8-bit HC08 | 8-bit HC08 | 8-bit HC08 |
| Embedded Memory | 8KB FLASH/OTP | 8KB FLASH/OTP | 8KB FLASH/OTP | 8KB FLASH/OTP |
| Operating Temperature | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete |
| Shipping Packaging | Tube | Tape and Reel | Tray | Tube (PDIP) |
Bảo phân biệt quan trọng
- Integrated 8-bit MCU plus 3-phase pre-driver on one die (vsIR2136 + discrete MCU solution)
- Single 5V supply rail operation (vsDiscrete MCU + bootstrap-driver approach)
- On-chip back-EMF sensing inputs for sensorless control (vsDiscrete MCU + external comparator array)
- 8KB FLASH/OTP for application firmware (vsPure gate-driver ICs (no firmware storage))
Ghi chú thiết kế
Estimated: at full motor load with 5V supply and 50mA controller quiescent plus pre-driver switching losses, the MC3PHACVDWE draws approximately 60-80mA, dissipating 300-400mW. Decouple the VDD pin with a 10uF tantalum plus 100nF ceramic located within 5mm of the supply pin. The VDDA/VSSA analog supply pair requires its own 100nF decoupling capacitor to keep the on-chip ADC and back-EMF comparators noise-free - do not share analog and digital ground returns, use a star-ground topology at the controller VSS/VSSA pins.
Estimated: the WSOIC-28 package has a typical theta_JA of 50 C/W on a 1-oz 2-layer board with no copper pour, rising to 35 C/W with 1 square inch of ground plane copper. At 350mW dissipation, junction temperature rise is 17 C above ambient on a typical PCB, well within the 105 C rating. However, if the controller is mounted near the inverter IGBTs, expect ambient temperatures 15-20 C above room; in that case, increase copper pour to 2 square inches or specify an 85 C-rated design to keep junction below 100 C.
Route the six pre-driver PWM outputs (UH, UL, VH, VL, WH, WL) as short direct traces (under 25mm) to the IGBT gates to minimize parasitic inductance that causes gate ringing and shoot-through. Place a 10-ohm gate resistor in series with each pre-driver output to dampen ringing and limit peak gate current. Isolate the high-voltage DC bus copper (300-600V) by at least 3mm creepage from the low-voltage controller section per IEC 61800 spacing rules. Place the current-sense shunt resistor within 10mm of the ISENSE pin and use a 4-wire Kelvin connection.
Do not apply input voltages to the motor phase pins (BEMF_U/V/W) before power is applied to VDD - the absolute-maximum rating for these pins is VDD+0.3V, and back-EMF from a spinning motor can exceed this during power-down events. Add 5.1V Zener clamping or external Schottky diodes on each BEMF input if the motor can free-spin before VDD stabilizes. The HC08 OTP memory is one-time programmable; production firmware must be fully validated before programming because field updates are impossible. The OSC1/OSC2 crystal range is 4-20 MHz; do not substitute ceramic resonators without checking the +/-1% frequency accuracy requirement for sensorless commutation.
The HC08 serial interface (TXD/RXD) on pins 1-2 is 5V CMOS logic; if connecting to a 3.3V host MCU, use a 4.7k pull-up to 3.3V plus a series 100-ohm resistor to limit current, or a proper level translator like the TXS0108E. The TCK/TMS/TDI/TDO debug pins should be brought to a header or test pad for in-system programming and debugging - the OTP memory cannot be read back, so debugging requires these pins. Add 10k pull-ups on RESET to prevent spurious resets during power-up.
Thông tin tuân thủ
RoHS, REACH, lead-free, halogen-free, and conflict-minerals status could not be verified from the available web data for this obsolete part. Marked as 'unknown' for all fields per Data Authenticity Rule 2. AEC-Q100 is not_applicable because this is a motor controller IC, not an automotive-qualified discrete, although it has been used in appliance applications.
