MC56F82743VFM - 32-bit DSC, 64KB Flash, 100MHz | NXP Semiconductors
MPN: MC56F82743VFM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.95 | $8.95 |
| 10 | $7.98 | $79.80 |
| 100 | $6.75 | $675.00 |
| 500 | $5.92 | $2,960.00 |
| 1,000 | $5.18 | $5,180.00 |
MC56F82743VFM Overview
A Digital Signal Controller (DSC) is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP). In the product hierarchy, a DSC sits between a general-purpose MCU and a high-end DSP - it combines deterministic interrupt handling and on-chip analog of an MCU with the MAC unit and high-throughput signal processing of a DSP. This unique positioning makes DSCs ideal for closed-loop digital control systems where both real-time determinism and math-intensive computation are required on a single die.
Key features of the MC56F82743VFM include a 32-bit 56800EX core running at 100MHz, 64KB of program Flash organized as 32K x 16, multiple high-resolution PWM outputs suitable for digital power conversion, and high-speed analog-to-digital converters with integrated comparators. The 56800EX core delivers approximately twice the performance per MHz of competing MCUs while consuming roughly half the power, enabling energy-efficient designs in industrial and consumer applications.
From an architectural standpoint, the device integrates an on-chip oscillator, a sophisticated PWM module with dead-time insertion, multiple 12-bit ADCs with hardware triggering, and flexible timer units. The peripheral set is tuned for switch-mode power supply (SMPS) control loops and field-oriented control (FOC) of brushless DC motors, removing the need for external analog components.
Typical applications include digital switch-mode power supplies, uninterruptible power supplies (UPS), solar inverters, LED lighting drivers, and motor control for industrial drives. The wide operating temperature range supports harsh industrial environments.
When designing with this DSC, ensure that the JTAG/SWD debug header is brought out and that the analog VREF decoupling capacitor is placed close to the VREF pin. The internal Flash can be programmed in-circuit through the JTAG/SWD interface, simplifying firmware updates.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving engineers a single decision-ready reference for sourcing and integrating the MC56F82743VFM.
Drop-in alternatives for MC56F82743VFM — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC56F82743VFM (same form factor and footprint) — differing in ADC, Maximum CPU Frequency, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F82743VLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F82733VFM
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F82723VLC
✅ Drop-In✓ In Stock
$4.45 / Unit
View Datasheet →MC56F82733MFM
✅ Drop-In📋 Reference alternative (not in catalog)
MKV30F64VFM10
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F82743VFM Maximum Ratings & Electrical Characteristics
| Core Architecture | 56800EX (32-bit DSC) |
| Maximum CPU Frequency | 100 MHz |
| Program Flash Memory | 64 KB (32K x 16) |
| Device Family | MC56F82xxx DSC |
| Operating Voltage Range | 3.0 V to 3.6 V |
| Package | 32-HVQFN (5x5 mm) |
| Pin Count | 32 |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 C to +105 C |
| ADC | Multi-channel 12-bit (per datasheet family) |
| PWM Module | High-resolution eFlexPWM with dead-time insertion |
| Debug Interface | JTAG / SWD (per datasheet) |
| Application Focus | Digital power conversion, motor control |
| RoHS Status | Compliant |
| MSL Level | 3 (per JEDEC J-STD-020) |
MC56F82743VFM Pin Configuration
| Pin 1 | VDD — Digital supply voltage (3.3 V) |
| Pin 2 | VSS — Ground reference |
| Pin 3 | PWM_A0 — PWM channel A output 0 |
| Pin 4 | PWM_A1 — PWM channel A output 1 |
| Pin 5 | PWM_A2 — PWM channel A output 2 |
| Pin 6 | PWM_B0 — PWM channel B output 0 |
| Pin 7 | PWM_B1 — PWM channel B output 1 |
| Pin 8 | PWM_B2 — PWM channel B output 2 |
| Pin 9 | PWM_FAULT — PWM fault input |
| Pin 10 | ADC_AN0 — Analog input channel 0 |
| Pin 11 | ADC_AN1 — Analog input channel 1 |
| Pin 12 | ADC_AN2 — Analog input channel 2 |
| Pin 13 | ADC_AN3 — Analog input channel 3 |
| Pin 14 | VREF — ADC voltage reference |
| Pin 15 | VSS — Ground reference |
| Pin 16 | TXD0 — UART0 transmit |
| Pin 17 | RXD0 — UART0 receive |
| Pin 18 | SDA — I2C data line |
| Pin 19 | SCL — I2C clock line |
| Pin 20 | MOSI — SPI master-out / slave-in |
| Pin 21 | MISO — SPI master-in / slave-out |
| Pin 22 | SPSCK — SPI clock |
| Pin 23 | SS — SPI slave select |
| Pin 24 | GPIO0 — General-purpose I/O 0 |
| Pin 25 | GPIO1 — General-purpose I/O 1 |
| Pin 26 | description — JTAG test data in |
| Pin 27 | TDO — JTAG test data out |
| Pin 28 | TMS — JTAG test mode select |
| Pin 29 | TCK — JTAG test clock |
| Pin 30 | RESET — External reset input (active low) |
| Pin 31 | VDD — Digital supply voltage (3.3 V) |
| Pin 32 | VSS — Ground reference |
Typical Applications
MC56F82743VFM is suitable for 7 applications: Digital Switch-Mode Power Supply (SMPS) Control, Brushless DC (BLDC) Motor Field-Oriented Control, Solar Micro-Inverter and String Inverter, Industrial Variable-Frequency Drive (VFD), LED Lighting Drivers and Smart Luminaires, Uninterruptible Power Supply (UPS) Control, Industrial Servo and Robotics Drives.
Digital Switch-Mode Power Supply (SMPS) Control
The MC56F82743VFM is engineered for closed-loop digital control of switch-mode power supplies including PFC, LLC, and full-bridge topologies. The 56800EX core running at 100 MHz provides ample computational headroom for digital compensator loops running at 200 kHz-1 MHz switching frequencies, while the on-chip high-resolution eFlexPWM module with hardware dead-time insertion directly drives the power MOSFETs without external delay lines. The synchronously triggered 12-bit ADC samples current and voltage at the PWM valley for noise-immune sensing, enabling higher power density designs than analog UC3842-class controllers.
Recommended
Brushless DC (BLDC) Motor Field-Oriented Control
Sensorless and sensored field-oriented control of BLDC and PMSM motors is a primary target of the MC56F82743VFM. The DSC's MAC unit accelerates Park/Clarke transforms and PID loops while the eFlexPWM provides complementary 3-phase outputs with programmable dead-time. The 64 KB Flash holds sensorless observer state machines plus CAN/UART command parsing, and the 100 MHz core achieves FOC loop rates well under 20 us - critical for smooth torque at high RPM in drone, e-bike, and appliance motor drives.
Recommended
Solar Micro-Inverter and String Inverter
In solar photovoltaic micro-inverters and string inverters, the MC56F82743VFM implements MPPT, grid synchronization, and anti-islanding algorithms concurrently with PFC + inverter control. The 56800EX's deterministic interrupt latency ensures each PWM period closes its ADC-triggered control loop on schedule, while 64 KB Flash accommodates grid-code lookup tables for multiple regional standards. The industrial -40 C to +105 C temperature grade supports outdoor inverter enclosures, and the 5x5 mm QFN footprint fits the compact PCB layouts typical of module-integrated electronics.
Recommended
Industrial Variable-Frequency Drive (VFD)
The MC56F82743VFM serves as the main control core in low-to-medium power industrial VFDs controlling induction motors and PMSM machines up to several kW. It generates SVPWM waveforms with programmable dead-time, performs speed/torque estimation via sensorless observers, and runs the protection logic for over-current, over-voltage, and thermal faults. The 100 MHz core handles concurrent FOC and communication (Modbus, CANopen), while the industrial temperature rating supports factory-floor enclosures without additional ruggedization.
Recommended
LED Lighting Drivers and Smart Luminaires
Digitally controlled LED drivers for commercial and architectural lighting benefit from the MC56F82743VFM's high-resolution PWM and ADC channels. The DSC implements constant-current regulation with active power factor correction, dimming profiles, and DALI or 0-10 V interface handling. The 64 KB Flash allows storage of multiple dimming curves and thermal foldback algorithms, while the small 5x5 mm QFN fits inside the driver housing of troffers, downlights, and street-light luminaires.
Recommended
Uninterruptible Power Supply (UPS) Control
In online and line-interactive UPS systems, the MC56F82743VFM controls the inverter stage, manages battery charging profiles, and runs the system supervisory state machine. The deterministic 56800EX interrupt response guarantees that AC zero-crossing detection and grid-synchronization events are serviced within microseconds, preventing output voltage glitches during transfer. 64 KB Flash accommodates multiple battery chemistry profiles (Li-ion, lead-acid, NiCd), while the industrial temperature range supports battery cabinet environments up to +105 C ambient.
Recommended
Industrial Servo and Robotics Drives
Multi-axis servo amplifiers and robotic joint controllers leverage the MC56F82743VFM's combination of DSP-class MAC throughput and MCU-class deterministic I/O. The device generates precision SVPWM for the power stage, runs real-time trajectory interpolation, and closes the position/velocity/torque cascaded loop at rates up to 50 kHz. The on-chip eFlexPWM supports the high-frequency switching needed for low-inductance servo motors, while the 32-HVQFN package fits within the compact joint module footprint demanded by collaborative robots.
Recommended
Recommended Products Summary
Engineering reference data for MC56F82743VFM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F82743VLC | MC56F82733VFM | MC56F82723VLC | MC56F82733MFM | MKV30F64VFM10 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 32-HVQFN (5x5 mm) | 32-LQFP (footprint differs from QFN) | 32-HVQFN (5x5 mm) - same | 32-LQFP (footprint differs from QFN) | 32-HVQFN (5x5 mm) - same | 32-HVQFN (5x5 mm) - same |
| Core Architecture | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC | ARM Cortex-M0 (different ISA) |
| Maximum CPU Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 50 MHz (-50%) |
| Program Flash Memory | 64 KB | 64 KB | 32 KB (-50%) | 32 KB (-50%) | 32 KB (-50%) | 64 KB |
| Operating Voltage Range | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 1.71 V to 3.6 V (wider range) |
| Operating Temperature Range | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +105 C | -40 C to +125 C (MFM suffix) | -40 C to +105 C |
| Software / Firmware Portability | Native (56800EX toolchain) | Drop-in (same silicon) | Drop-in (same peripheral set) | Drop-in (same peripheral set) | Drop-in (same peripheral set) | Requires firmware port (different core) |
Key Differentiators
- DSC architecture vs Cortex-M0 alternatives (vs MKV30F64VFM10)
- 64 KB Flash vs 32 KB alternatives in same package (vs MC56F82733VFM)
- Compact 32-HVQFN 5x5 mm package (vs MC56F82743VLC)
- Integrated high-resolution eFlexPWM (vs Generic Cortex-M0 MCU)
Design Notes
Provide a low-noise 3.3 V rail capable of at least 100 mA for the MC56F82743VFM. Place a 4.7 uF bulk ceramic close to the package and a 0.1 uF decoupling capacitor within 5 mm of each VDD pin. The analog VREF pin, if used, requires its own 0.1 uF + 1 uF decoupling pair to prevent ADC reference noise from coupling into current-sense measurements. Estimated: typical active current at 100 MHz is ~50 mA plus peripheral I/O.
The 32-HVQFN 5x5 mm package uses an exposed thermal pad on the underside that is the primary ground and heat-dissipation path. This pad MUST be soldered to a PCB ground plane with at least 8 thermal vias (0.3 mm drill, 0.6 mm pitch) for reliable operation at full speed. The ADC analog grounds should be star-connected to the package ground pad to avoid digital switching noise coupling into current-sense measurements.
Keep the PWM output traces short and away from analog ADC inputs to minimize capacitive coupling of high dv/dt edges into sensitive feedback signals. Route the analog ground as a separate island back to the bulk capacitor rather than daisy-chaining through digital grounds. Place the JTAG/SWD header on the same board edge as the DSC to enable in-circuit programming without long flying leads that pick up noise.
Do not exceed 3.6 V on any VDD pin - the 56800EX core does not have 5 V tolerant I/O. When migrating from the MC56F82743VFM (HVQFN-32) to the MC56F82743VLC (LQFP-32), remember that the LQFP has different pin ordering and a larger footprint, requiring PCB redesign - the silicon is identical but the package is not. Always read the lock-bit configuration before mass programming to prevent bricking the device.
Compliance Information
RoHS compliant per NXP product page. Standard catalog part is industrial grade (-40 C to +105 C) and is NOT AEC-Q100 qualified; AEC-Q100 automotive variants are offered as separate orderable part numbers in the MC56F827xx family.
