MC56F82748VLH - 32-bit DSC, 56800EX, 64KB Flash, LQFP-64 | NXP
N.º da peça: MC56F82748VLH ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $8.95 | $89,50 |
| 100 | $7.8 | $780,00 |
| 500 | $6.95 | $3.475,00 |
| 1.000 | $6.2 | $6.200,00 |
| 3.000 | $5.5 | $16.500,00 |
MC56F82748VLH Visão geral
A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic control of a microcontroller with the mathematical throughput of a DSP. In the broader taxonomy it sits between microcontrollers (MCU) and digital signal processors (DSP), inheriting the interrupt latency of an MCU and the single-cycle MAC engine of a DSP. The 56800EX core executes both standard C code and DSP instructions, enabling fixed-point control loops with cycle counts far below what a Cortex-M MCU can achieve. This hybrid positioning makes DSCs a popular choice for sub-100 kW motor drives and digital power supplies where field-oriented control (FOC) and PFC algorithms must run in software.
Key differentiating specifications include dual 12-bit ADCs with 16 channels and up to 3 MSPS sample rate, two 12-bit DACs, four FlexTimer/PWM modules with up to 12 PWM outputs, two on-chip op-amps and comparators, an integrated 12-bit cyclic ADC for high-precision sensing, and a Cyclic Redundancy Check (CRC) engine. The 64 KB Flash supports in-application programming and the 8 KB dual-port RAM allows zero-wait-state DSP operand access. Peripherals include QSPI, I2C, two SCI/UART, and a CAN-FD interface.
The 56800EX architecture uses a Harvard memory layout with separate program and data buses. The 100 MHz core produces a 10 ns instruction cycle and integrates a hardware multiply-accumulate (MAC) unit and a barrel shifter. This enables closed-loop current and voltage control loops to execute in under 1 microsecond, which is critical for switching frequencies of 20-100 kHz commonly used in high-efficiency motor drives and digital PFC stages.
Typical applications include HVAC compressor control, refrigerator inverter compressors, industrial servo drives, solar micro-inverters, telecom rectifier modules, and brushless DC (BLDC) fans and pumps. The integrated op-amps allow direct current sensing without external amplifiers, reducing BOM cost and PCB area.
Design consideration: pair the MC56F82748VLH with NXP's MC34PF3001A7EP power-management IC for clean rail sequencing and with isolated gate drivers (e.g., 6.5 A SiC/IGBT drivers) to switch the power stage. Ensure the analog supply (VDDA) is decoupled with a 100 nF ceramic placed within 5 mm of the pin.
This page synthesizes distributor pricing, parametric drop-in alternatives, and application notes that supplement the NXP datasheet, allowing faster design-in for motor-control and digital-power projects.
Alternativas drop-in para MC56F82748VLH — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC56F82748VLH (mesmo formato e footprint) — diferindo em ADC, Operating Temperature, Package, RAM Size.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC56F82738VLH
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC56F82748MLH
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC56F82748VLH,557
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC56F82748VLH Classificações máximas e características elétricas
| Core Architecture | 56800EX (32-bit DSP/MCU hybrid) |
| Maximum CPU Frequency | 100 MHz |
| Program Memory (Flash) | 64 KB |
| RAM Size | 8 KB (4K x 16) |
| Supply Voltage (Vcc/Vdd) | 2.7 V to 3.6 V |
| ADC | 16-ch x 12-bit, up to 3 MSPS |
| DAC | 2 x 12-bit |
| PWM Outputs | Up to 12 (FlexTimer modules) |
| On-chip Op-Amps | 2 |
| Comparators | 2 |
| Communication Interfaces | QSPI, I2C, 2x SCI/UART, CAN-FD |
| Temperatura de operação | -40C to +105C |
| Encapsulamento | 64-pin LQFP (VLH), 10x10 mm |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do MC56F82748VLH
| Pino 1 | VDDA — Analog supply voltage |
| Pino 2 | VSSA — Analog ground |
| Pino 3 | AN0 — Analog input channel 0 / ADC0 reference |
| Pino 4 | AN1 — Analog input channel 1 |
| Pino 5 | AN2 — Analog input channel 2 |
| Pino 6 | AN3 — Analog input channel 3 |
| Pino 7 | AN4 — Analog input channel 4 |
| Pino 8 | AN5 — Analog input channel 5 |
| Pino 9 | AN6 — Analog input channel 6 |
| Pino 10 | AN7 — Analog input channel 7 |
| Pino 11 | AN8 — Analog input channel 8 |
| Pino 12 | AN9 — Analog input channel 9 |
| Pino 13 | AN10 — Analog input channel 10 |
| Pino 14 | AN11 — Analog input channel 11 |
| Pino 15 | AN12 — Analog input channel 12 |
| Pino 16 | AN13 — Analog input channel 13 |
| Pino 17 | AN14 — Analog input channel 14 |
| Pino 18 | AN15 — Analog input channel 15 |
| Pino 19 | DAC0 — 12-bit DAC output 0 |
| Pino 20 | DAC1 — 12-bit DAC output 1 |
| Pino 21 | OPAP — Op-amp A positive input |
| Pino 22 | OPAM — Op-amp A negative input |
| Pino 23 | OPAO — Op-amp A output |
| Pino 24 | OPBP — Op-amp B positive input |
| Pino 25 | OPBM — Op-amp B negative input |
| Pino 26 | OPBO — Op-amp B output |
| Pino 27 | CMP0_IN — Comparator 0 input |
| Pino 28 | CMP1_IN — Comparator 1 input |
| Pino 29 | PWM_A0 — PWM channel A output 0 |
| Pino 30 | PWM_A1 — PWM channel A output 1 |
| Pino 31 | PWM_B0 — PWM channel B output 0 |
| Pino 32 | PWM_B1 — PWM channel B output 1 |
| Pino 33 | PWM_C0 — PWM channel C output 0 |
| Pino 34 | PWM_C1 — PWM channel C output 1 |
| Pino 35 | PWM_D0 — PWM channel D output 0 |
| Pino 36 | PWM_D1 — PWM channel D output 1 |
| Pino 37 | TXD0 — SCI0 transmit |
| Pino 38 | RXD0 — SCI0 receive |
| Pino 39 | TXD1 — SCI1 transmit |
| Pino 40 | RXD1 — SCI1 receive |
| Pino 41 | SCL — I2C clock |
| Pino 42 | SDA — I2C data |
| Pino 43 | MOSI — QSPI master-out slave-in |
| Pino 44 | MISO — QSPI master-in slave-out |
| Pino 45 | SCK — QSPI clock |
| Pino 46 | SS — QSPI slave select |
| Pino 47 | CAN_TX — CAN-FD transmit |
| Pino 48 | CAN_RX — CAN-FD receive |
| Pino 49 | GPIO0 — General-purpose I/O 0 |
| Pino 50 | GPIO1 — General-purpose I/O 1 |
| Pino 51 | GPIO2 — General-purpose I/O 2 |
| Pino 52 | GPIO3 — General-purpose I/O 3 |
| Pino 53 | GPIO4 — General-purpose I/O 4 |
| Pino 54 | GPIO5 — General-purpose I/O 5 |
| Pino 55 | RESET_b — Active-low reset input |
| Pino 56 | JTAG_TMS — JTAG test mode select |
| Pino 57 | JTAG_TCK — JTAG test clock |
| Pino 58 | JTAG_TDO — JTAG test data out |
| Pino 59 | JTAG_TDI — JTAG test data in |
| Pino 60 | EXTAL — External crystal/clock input |
| Pino 61 | XTAL — Crystal amplifier output |
| Pino 62 | VDD — Digital supply voltage |
| Pino 63 | VSS — Digital ground |
| Pino 64 | VPP — Flash programming voltage (factory use) |
Aplicações típicas
MC56F82748VLH é adequado para 7 aplicaçãos: BLDC / PMSM Motor Control, Digital Power Factor Correction (PFC), Solar Micro-Inverter, HVAC Compressor Inverter, Industrial Servo Drive, Telecom Rectifier Module, Appliance Inverter (Washing Machine / Refrigerator).
BLDC / PMSM Motor Control
The MC56F82748VLH drives field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors in appliances, drones, and industrial servo drives. Its 100 MHz 56800EX core executes a complete FOC loop (Clarke/Park transforms, SVPWM modulation, PI controllers) in under 5 us, comfortably fitting 20 kHz PWM cycles. The 16-channel 12-bit ADC samples phase currents simultaneously via dual ADCs, while the four FlexTimer modules generate complementary PWM with hardware dead-time insertion. The on-chip op-amps condition current-shunt signals directly, eliminating external amplifiers.
Recomendado
Digital Power Factor Correction (PFC)
In digital PFC boost stages for telecom rectifiers, server PSUs, and EV chargers, the MC56F82748VLH performs average-current-mode control with line-voltage feed-forward. Its 100 MHz core runs the control loop, RMS calculations, and AC-line frequency tracking within a 40 us cycle, supporting PFC frequencies up to 100 kHz. The 12-bit ADC with 3 MSPS captures instantaneous inductor current with 333 ns conversion time, enabling valley-sensing and critical-conduction-mode algorithms. Dual DACs generate reference voltages for analog housekeeping comparators.
Recomendado
Solar Micro-Inverter
The MC56F82748VLH is used in 250-500 W solar micro-inverters that convert a single panel's DC output to grid-tied AC. It runs MPPT (maximum power point tracking), grid-synchronization PLL, and anti-islanding detection in addition to the inverter control loop. The integrated CAN-FD interface enables module-level communication for monitoring and remote firmware updates. Its low quiescent current (<50 mA active) keeps night-time consumption within EU efficiency regulations, and the wide -40C to +105C operating range suits outdoor enclosures.
Recomendado
HVAC Compressor Inverter
Variable-speed HVAC compressors require sinusoidal torque control with smooth start/stop and power-factor-correction front-end. The MC56F82748VLH runs the PFC plus compressor FOC in a single chip, with the dual-port 8 KB RAM supporting real-time lookup tables for sinusoidal commutation and the 64 KB Flash storing field-weakening and vibration-suppression algorithms. Hardware comparators enable overcurrent protection in <200 ns, critical for IPM short-circuit detection in air-conditioning systems.
Recomendado
Industrial Servo Drive
Industrial servo drives for robotics and CNC machinery demand sub-millisecond position-loop bandwidth with deterministic latency. The MC56F82748VLH's 56800EX core and dual-port RAM enable synchronized position/current loops running at 8 kHz with consistent cycle times. The on-chip QSPI interface supports high-speed encoder feedback (e.g., BiSS-C or SSI absolute encoders), while CAN-FD connects to the machine's EtherCAT/CANopen network. The integrated op-amps reduce BOM cost by eliminating external current-sense amplifiers.
Recomendado
Telecom Rectifier Module
In -48 V telecom rectifier modules that deliver 24 V or 54 V DC to base-station equipment, the MC56F82748VLH implements totem-pole PFC plus LLC resonant converter control. Its 12-bit ADC synchronizes with the LLC switching frequency for primary-side regulation, and the FlexTimer PWM modules generate the complementary gate-drive waveforms with programmable dead time. The -40C to +105C operating range meets outdoor telecom-shelf environmental requirements, and CAN-FD enables module-to-shelf communication for load-sharing.
Recomendado
Appliance Inverter (Washing Machine / Refrigerator)
In residential appliances such as direct-drive washing machines and refrigerator inverter compressors, the MC56F82748VLH provides a cost-optimized single-chip FOC solution. The integrated op-amps and comparators reduce external component count, while the 64 KB Flash stores both the motor-control firmware and the appliance-specific user-interface logic. The CAN-FD interface connects to the appliance's main control bus, enabling remote diagnostics via the manufacturer's cloud platform. Low active power consumption improves ENERGY STAR compliance ratings.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC56F82748VLH — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC56F82738VLH | MC56F82748MLH | MC56F82748VLH,557 | MC56F82746VLF | MC56F82743VFM |
|---|---|---|---|---|---|---|
| Package | 64-pin LQFP (VLH) | 64-pin LQFP (VLH) - same | 64-pin LQFP (MLH) - same | 64-pin LQFP (VLH) - same | 48-pin LQFP (VLF) - different | 32-pin QFN (VFM) - different |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Architecture | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC |
| CPU Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Memory | 64 KB | 32 KB (-50%) | 64 KB | 64 KB | 64 KB | 32 KB (-50%) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) |
| ADC Channels / Resolution | 16-ch x 12-bit | 16-ch x 12-bit | 16-ch x 12-bit | 16-ch x 12-bit | 12-ch x 12-bit (-25%) | 6-ch x 12-bit (-62%) |
| PWM Outputs | 12 | 12 | 12 | 12 | 8 (-33%) | 4 (-67%) |
| Supply Voltage | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V | 2.7 V to 3.6 V |
Principais diferenciais
- 56800EX core with single-cycle MAC (vs MC56F82738VLH)
- Integrated analog front-end reduces BOM (vs MC56F82746VLF)
- 64-pin LQFP offers full peripheral count (vs MC56F82743VFM)
Notas de projeto
Estimated: at 100 MHz CPU activity driving all peripherals, the MC56F82748VLH draws approximately 60-80 mA from VDD (1.2 V internal core) plus 10-20 mA from VDDA. Use a low-noise LDO such as NXP's MC34PF3001A7EP for the 3.3 V rail, followed by a ferrite bead and 100 nF + 10 uF decoupling network on each VDD/VDDA pin pair. Place the 100 nF caps within 5 mm of the IC pins. Add a 10 uF bulk tantalum or ceramic on the board's main 3.3 V rail. Failure to decouple analog and digital supplies separately can couple switching noise into the ADC, degrading current-sense accuracy in motor-control loops.
Route analog signals (AN0-AN15, OPAP/OPAM, CMP inputs) on a separate inner layer or directly on the top layer shielded by a ground pour. Keep analog traces short (<25 mm) and at least 3 mm away from PWM switching signals to avoid capacitive coupling. The exposed thermal pad is not present on the LQFP-64 package, but a continuous ground pour on the top and bottom layers directly under the IC reduces die temperature by 5-10 C at full load. Use 4-layer PCB with dedicated ground and power planes for noise-sensitive motor-control designs.
Do not exceed the absolute maximum VDD of 4.0 V; transients above this rating cause permanent damage. Always assert RESET_b for at least 100 ms after VDD reaches 3.0 V to allow the internal voltage regulator to stabilize. The XTAL/EXTAL pins require a 4-16 MHz fundamental-mode crystal with loading capacitors matched to the crystal's specified load capacitance (typically 8-12 pF). Do not use the VPP pin (pin 64) for any external connection - it is reserved for factory Flash programming only and may inject noise if left floating or driven externally.
Informações de conformidade
RoHS and REACH compliant per NXP product page. Not AEC-Q100 qualified - the MC56F82748 family targets industrial and consumer motor-control applications, not automotive. Operating temperature -40C to +105C supports industrial-grade deployments.
