MC56F82733VLC - 32-bit DSC, 100MHz, 48KB Flash, LQFP-32 | NXP
MPN: MC56F82733VLC ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.27 | $6.27 |
| 10 | $5.65 | $56.50 |
| 100 | $5.02 | $502.00 |
| 500 | $4.46 | $2,230.00 |
| 1,000 | $3.95 | $3,950.00 |
MC56F82733VLC Overview
A digital signal controller is a hybrid architecture that combines the deterministic real-time control of a microcontroller with the high-throughput numerical computation of a digital signal processor. Within the broader taxonomy, the MC56F82733VLC belongs to the 56F82xxx DSC family (DSC -> microcontroller + DSP -> embedded controller -> semiconductor IC). Its 56800EX core extends the legacy 56800 instruction set with a richer peripheral integration and improved power-management features, making it well suited to closed-loop control loops that must execute hundreds of thousands of multiply-accumulate operations per PWM cycle.
Key specifications of the MC56F82733VLC include 48 KB of program Flash, a 100 MHz CPU clock, 32-pin LQFP (7x7 mm) surface-mount packaging, 3.3 V typical supply with 5 V-tolerant TTL-compatible digital I/O, and AEC-Q100 automotive qualification support. The device also integrates high-resolution PWM modules, 12-bit ADCs, multiple communication peripherals (SCI, SPI, I2C), and on-chip op-amps and comparators that simplify analog front-end design for power and motor control loops.
The 56800EX core uses a Harvard-style architecture with separate program and data buses, allowing single-cycle instruction fetches and DSP operations to occur in parallel with peripheral servicing. High-density CMOS process technology with 5 V-tolerant I/O enables direct interfacing with 5 V analog and logic circuits without level shifters, while the RESET pin is 3.3 V only.
Typical applications include digital switch-mode power supplies (SMPS), brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) field-oriented control, solar micro-inverters, LED lighting drivers, and automotive body controllers. The combination of DSP throughput and MCU simplicity also makes the part attractive for industrial servo drives and power-factor correction stages.
When designing with the MC56F82733VLC, ensure that decoupling capacitance is placed close to the supply pins and that the analog and digital ground returns are managed properly to preserve ADC accuracy under high-current switching conditions. Using the on-chip op-amps for current sensing eliminates external amplifier stages and reduces BOM cost.
This page synthesizes distributor pricing, drop-in alternatives within the 56F82xxx family, and practical design notes not found in the manufacturer datasheet alone, helping engineers select and qualify the part for new designs.
Drop-in alternatives for MC56F82733VLC — 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 MC56F82733VLC (same form factor and footprint) — differing in Package, RoHS Status, Core Architecture, Core, Maximum CPU Frequency.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F82723VLC
✅ Drop-In✓ In Stock
$4.45 / Unit
View Datasheet →MC56F82743VLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F82733VFM
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8355MFGE
✅ Drop-In✓ In Stock
$15.7 / Unit
View Datasheet →MC56F8357VVFE
✅ Drop-In✓ In Stock
$8.36 / Unit
View Datasheet →MC56F84585VLK
✅ Drop-In✓ In Stock
$5.3 / Unit
View Datasheet →MC56F82733VLC Maximum Ratings & Electrical Characteristics
| Core | 56800EX (32-bit DSC) |
| Core Architecture | Harvard-style, 56800EX DSP/MCU hybrid |
| Maximum CPU Frequency | 100 MHz |
| Program Flash | 48 KB |
| Flash Organization | 48 KB (24K x 16) |
| Supply Voltage | 3.3 V typical (5 V-tolerant I/O) |
| I/O Tolerance | 5 V TTL-compatible (RESET is 3.3 V only) |
| Package | 32-LQFP (7x7 mm) |
| Pin Count | 32 |
| Mounting Type | Surface Mount |
| Automotive Qualification | AEC-Q100 (per datasheets.com listing) |
| MSL Level | 3 (168 hours) |
| Process Technology | High-density low-power CMOS |
| RoHS Status | Compliant (Pb-free) |
| REACH Status | REACH Unaffected |
| ECCN | 3A991A2 |
| HTSUS | 8542.31.0001 |
MC56F82733VLC Pin Configuration
| Pin 1 | PWM0A / GPIO — PWM channel 0 output A or general-purpose I/O |
| Pin 2 | PWM0B / GPIO — PWM channel 0 output B or general-purpose I/O |
| Pin 3 | PWM1A / GPIO — PWM channel 1 output A or general-purpose I/O |
| Pin 4 | PWM1B / GPIO — PWM channel 1 output B or general-purpose I/O |
| Pin 5 | PWM2A / GPIO — PWM channel 2 output A or general-purpose I/O |
| Pin 6 | PWM2B / GPIO — PWM channel 2 output B or general-purpose I/O |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — 3.3 V supply input |
| Pin 9 | ADC0 / ANA0 — Analog input channel 0 / on-chip op-amp input |
| Pin 10 | ADC1 / ANA1 — Analog input channel 1 |
| Pin 11 | ADC2 / ANA2 — Analog input channel 2 |
| Pin 12 | ADC3 / ANA3 — Analog input channel 3 |
| Pin 13 | VREFH — ADC high reference voltage |
| Pin 14 | VREFL — ADC low reference voltage |
| Pin 15 | CMP+ — Comparator positive input |
| Pin 16 | CMP- — Comparator negative input |
| Pin 17 | CMPO — Comparator output |
| Pin 18 | TXD0 / GPIO — SCI0 transmit or GPIO |
| Pin 19 | RXD0 / GPIO — SCI0 receive or GPIO |
| Pin 20 | SCL / GPIO — I2C clock or GPIO |
| Pin 21 | SDA / GPIO — I2C data or GPIO |
| Pin 22 | MISO / GPIO — SPI MISO or GPIO |
| Pin 23 | MOSI / GPIO — SPI MOSI or GPIO |
| Pin 24 | SCK / GPIO — SPI clock or GPIO |
| Pin 25 | SS / GPIO — SPI slave select or GPIO |
| Pin 26 | TCLK / GPIO — Timer clock input or GPIO |
| Pin 27 | IRQ / GPIO — External interrupt or GPIO |
| Pin 28 | XOSC1 — Crystal oscillator input (32 kHz or external reference) |
| Pin 29 | XOSC2 — Crystal oscillator output |
| Pin 30 | VDDA — Analog supply (3.3 V) |
| Pin 31 | VSSA — Analog ground |
| Pin 32 | RESET — Reset input (3.3 V only) |
Typical Applications
MC56F82733VLC is suitable for 6 applications: Digital Switch-Mode Power Supply (SMPS) Control, Brushless DC (BLDC) Motor Control, Permanent Magnet Synchronous Motor (PMSM) Servo Drive, Solar Micro-Inverter and Power Optimizer, LED Lighting Drivers and Dimming Controllers, Automotive Body and Lighting ECUs.
Digital Switch-Mode Power Supply (SMPS) Control
The MC56F82733VLC is well matched to digital SMPS control loops because its 56800EX core executes single-cycle multiply-accumulate operations at 100 MHz, enabling high-resolution digital compensators that update every PWM cycle. With 48 KB of Flash the device can host multi-mode state machines, adaptive loop compensation, and PMBus-style telemetry stacks. On-chip high-resolution PWM and 12-bit ADC peripherals remove the need for external analog controllers, shrinking BOM cost and improving transient response. The 5 V-tolerant I/O simplifies gate-driver interfacing to 5 V logic without level shifters. Typical placement is between the analog front-end (current/voltage sensing) and the gate driver, with on-chip op-amps conditioning the feedback signals directly into the ADC inputs. Compared with a pure MCU, the DSC throughput halves loop latency at the same clock, reducing output voltage ripple under heavy load steps.
Recommended
Brushless DC (BLDC) Motor Control
The MC56F82733VLC is a strong fit for sensorless and sensored BLDC motor control because the 56800EX core can execute field-oriented control (FOC) algorithms within a single PWM period at 100 MHz. High-resolution PWM modules support center-aligned switching with sub-microsecond edge placement, while the on-chip 12-bit ADC samples phase currents synchronously to the PWM. Integrated comparators and op-amps eliminate external current-sense amplifiers, reducing PCB area and BOM count. The AEC-Q100 automotive grade makes the device appropriate for e-compressors, water pumps, and cooling fans in vehicles. In a typical 3-phase inverter, the DSC sits between the Hall/sensor inputs and the gate drivers, computing Park/Clarke transforms and SVM waveforms. The 48 KB Flash budget covers FOC plus a full state-machine for startup, fault handling, and communication.
Recommended
Permanent Magnet Synchronous Motor (PMSM) Servo Drive
For PMSM servo drives the MC56F82733VLC delivers the determinism needed for tight current-loop bandwidths. Running at 100 MHz, the 56800EX core completes PI current controllers, SVPWM modulation, and encoder-feedback decoding well within a 10 kHz to 20 kHz PWM period. The Harvard-style memory architecture removes contention between instruction fetches and data accesses, lowering jitter compared to von-Neumann MCUs. Integrated 5 V-tolerant I/O allows direct connection to industrial 5 V encoder and communication buses. Designers typically pair the DSC with external power-stage gate drivers and resolver/Hall interfaces, while the on-chip op-amps condition the analog feedback. The 48 KB Flash is sufficient for full FOC plus CANopen or EtherCAT slave firmware stacks. Drop-in migration to MC56F82743VLC gives headroom for additional motion profiles and safety diagnostics.
Recommended
Solar Micro-Inverter and Power Optimizer
The MC56F82733VLC is suitable for solar micro-inverters and panel-level power optimizers where efficiency and reliability dominate cost. Its 56800EX DSP/MCU core executes MPPT algorithms and grid-synchronization math at 100 MHz, with deterministic interrupt latency for grid-protection trips. 48 KB of Flash fits a complete perturb-and-observe or incremental-conductance MPPT loop plus islanding detection. The 5 V-tolerant I/O interfaces directly to gate drivers and to 5 V grid-sense circuitry. AEC-Q100 qualification supports outdoor inverter environments where temperature swings are significant. A typical circuit places the DSC between the DC-link current sensor and the H-bridge gate driver, with the on-chip 12-bit ADC sampling both PV input and AC output. Drop-in variants like MC56F82723VLC scale down Flash for cost-optimized sub-300 W designs.
Recommended
LED Lighting Drivers and Dimming Controllers
The MC56F82733VLC supports high-end LED lighting applications including color-mixing, dimming, and flicker-free PWM generation. The 56800EX core drives high-resolution PWM channels that minimize audible noise and visible flicker, while 48 KB Flash holds color-rendering tables, DMX or DALI protocol stacks, and thermal-foldback algorithms. 5 V-tolerant I/O interfaces directly to analog dimming inputs and standard LED driver ICs. AEC-Q100 qualification suits automotive headlamp and signal-lighting modules. Typical placement is between the dimming/communications interface and the LED driver stage, computing mixed-color PWM and current feedback. The DSC delivers flicker-free dimming below 1% duty cycle, which is difficult to achieve with general-purpose MCUs.
Recommended
Automotive Body and Lighting ECUs
With AEC-Q100 qualification, the MC56F82733VLC is well suited to automotive body controllers, lighting modules, and HVAC actuators. The 56800EX core's deterministic interrupt response handles LIN/CAN message timing precisely while executing actuator control loops. 48 KB Flash covers typical body-control firmware including diagnostic routines and OBD-II compliance code. 5 V-tolerant I/O connects directly to automotive 5 V sensor and actuator buses without external level shifters. The LQFP-32 footprint fits behind instrument panels and inside lamp housings where PCB area is constrained. Compared with general-purpose automotive MCUs, the DSC core adds headroom for sensorless motor control inside the same ECU. Drop-in migration to MC56F82743VLC is straightforward when additional firmware features are required.
Recommended
Recommended Products Summary
Engineering reference data for MC56F82733VLC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F82723VLC | MC56F82743VLC | MC56F82733VFM | MC56F8355MFGE | MC56F8357VVFE | MC56F84585VLK |
|---|---|---|---|---|---|---|---|
| Package | LQFP-32 (7x7 mm) | LQFP-32 (7x7 mm) - same | LQFP-32 (7x7 mm) - same | QFP-32 (different profile, same pin count) | LQFP-144 (different body) | QFP-144 (different body) | LQFP-80 (different body) |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | 56800EX (32-bit DSC) | 56800EX (32-bit DSC) - same | 56800EX (32-bit DSC) - same | 56800EX (32-bit DSC) - same | 56800 (older generation) | 56800 (older generation) | 56800EX (newer 84500 family) |
| Maximum CPU Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 60 MHz | 60 MHz | 100 MHz |
| Supply Voltage | 3.3 V (5 V-tolerant I/O) | 3.3 V (5 V-tolerant I/O) - same | 3.3 V (5 V-tolerant I/O) - same | 3.3 V (5 V-tolerant I/O) - same | 3.3 V | 3.3 V | 3.3 V |
| Parametric Match | Reference | 80% - same family, lower Flash | 90% - same family, higher Flash | 100% - same die, different package profile | 70% - older core, different package | 70% - older core, different package | 70% - newer family, different package |
Key Differentiators
- Highest Flash density in 32-pin LQFP variant (vs MC56F82723VLC)
- Newer 56800EX core architecture vs older 56F835x family (vs MC56F8355MFGE)
- Lower-pin-count LQFP-32 footprint for space-constrained designs (vs MC56F84585VLK)
- LQFP profile for low-profile SMT assemblies (vs MC56F82733VFM)
Design Notes
Estimated: at 100 MHz CPU clock and typical 3.3 V supply, the MC56F82733VLC draws roughly 60-80 mA from VDD with all peripherals active. Place a 10 uF bulk capacitor plus a 0.1 uF ceramic decoupling cap as close as possible to pins 8 (VDD) and 30 (VDDA) to suppress switching noise. For analog-sensitive designs, separate VDDA filtering from VDD with a ferrite bead to keep ADC reference clean under PWM-induced ground bounce.
Estimated: at 100 MHz, 3.3 V, and full peripheral activity, power dissipation is approximately 200-250 mW. With LQFP-32 theta_JA around 60-70 C/W, junction temperature rise above ambient is ~14-17 C, leaving substantial margin for industrial (-40C to +85C ambient) operation. For automotive designs targeting +125C junction, verify thermal headroom with the actual PCB copper area.
Keep the crystal oscillator traces (pins 28-29 XOSC1/XOSC2) short and guarded by a ground ring to minimize EMI pickup. Analog inputs (pins 9-12, ADC0-3) should be routed away from PWM outputs (pins 1-6) to reduce capacitive coupling that can corrupt current-sense measurements in motor and power designs. Use a star-ground topology for VSSA (pin 31) tied directly to the power-stage ground at a single point.
The RESET pin (pin 32) is 3.3 V only - never drive it above 3.6 V or the device may suffer damage; all other I/O pins are 5 V-tolerant. When migrating between VFM and VLC package options, confirm that PCB land patterns match because QFP and LQFP have slightly different body outlines. Ensure unused pins are configured as outputs or properly terminated per datasheet to avoid floating-input leakage currents.
Compliance Information
RoHS compliant per DigiKey listing; AEC-Q100 qualified per datasheets.com parametric data; REACH unaffected per GlobalSpec listing. Halogen-free status and conflict-mineral declaration should be confirmed against the latest NXP material declaration sheet.