MC56F82726VLF - 32-bit DSC, 100MHz, 32KB Flash, 48-LQFP | NXP
MPN: MC56F82726VLF ✓ Hoạt độngMC56F82726VLF Tóm tắt
A digital signal controller is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP). The 56800EX core integrates deterministic single-cycle DSP MAC instructions, peripherals tuned for real-time control, and a microcontroller-style programming model. In the broader taxonomy, the MC56F82726VLF sits at: DSC -> DSP/MCU hybrid -> microcontroller -> embedded processor -> semiconductor. This architecture lets a single chip execute both fast inner-loop control algorithms (such as field-oriented control for motors) and slower supervisory tasks.
Key features include 32 KB (16K x 16) program flash, 8 KB (4K x 16) unified RAM, an enhanced FlexPWM module with up to 6 PWM channels, two 12-bit ADCs with dual sample-and-hold, programmable delay blocks, comparators for cycle-by-cycle current protection, and a quadrature decoder. The device supports both 3.3 V single-supply operation and 5 V-tolerant I/O, simplifying interface with legacy analog stages. According to the NXP MC56F827xx datasheet, the part is fabricated in low-power CMOS with 5 V-tolerant TTL-compatible digital inputs except the RESET pin, which is 3.3 V only.
Typical applications include digital motor control (BLDC, PMSM, ACIM), solar inverters, switched-mode power supplies, uninterruptible power supplies, and industrial lighting ballasts. The integrated analog comparators and fast ADCs are specifically tuned for current sensing and protection loops.
When designing with the MC56F82726VLF, allocate the analog and digital ground returns carefully on the PCB to keep ADC SNR above 60 dB; a star-ground topology feeding the LQFP-48 power pins (VDD/VSS pairs) is recommended. The internal 5 V-tolerant I/O allows direct connection to legacy 5 V gate drivers, but the analog supply must remain within the 2.7-3.6 V range.
This page synthesizes distributor pricing, drop-in 56F82xxx family alternatives, and practical design notes that complement - but do not replace - the NXP MC56F827xx datasheet and reference manual.
Bộ thay thế dễ dàng lắp đặt cho MC56F82726VLF — 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 MC56F82726VLF (cùng hình factor và footprint) — khác nhau ở Package, Core, Maximum CPU Frequency, RAM, Data Bus Width.
MC56F82736VLF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC56F82746VLF
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC56F82726VLFR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC56F82726VLC
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MC56F82726VLF Tỷ lệ tối đa & tính chất điện
| Core | 56800EX 32-bit DSC |
| Maximum CPU Frequency | 100 MHz |
| Program Flash | 32 KB (16K x 16) |
| RAM | 8 KB (4K x 16) |
| Hộp | 48-LQFP (VLF), 7x7 mm |
| Operating Voltage | 2.7 V to 3.6 V |
| I/O Voltage Tolerance | 5 V TTL-compatible (RESET is 3.3 V only) |
| Comparators | Yes, on-chip analog comparators for current protection |
| Quadrature Decoder | Yes |
| Nhiệt độ hoạt động | -40C to +105C (industrial, VLF suffix) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Process Technology | High-density low-power CMOS |
| Số chân | 48 |
Cấu hình chân MC56F82726VLF
| Chân 1 | VDD — Core / I/O supply (3.3 V nominal) |
| Chân 2 | VSS — Ground |
| Chân 3 | PTA0 — General-purpose I/O / peripheral function |
| Chân 4 | PTA1 — General-purpose I/O / peripheral function |
| Chân 5 | PTA2 — General-purpose I/O / peripheral function |
| Chân 6 | PTA3 — General-purpose I/O / peripheral function |
| Chân 7 | PTA4 — General-purpose I/O / peripheral function |
| Chân 8 | PTA5 — General-purpose I/O / peripheral function |
| Chân 9 | PTA6 — General-purpose I/O / peripheral function |
| Chân 10 | PTA7 — General-purpose I/O / peripheral function |
| Chân 11 | PTB0 — General-purpose I/O / peripheral function |
| Chân 12 | PTB1 — General-purpose I/O / peripheral function |
| Chân 13 | PTB2 — General-purpose I/O / peripheral function |
| Chân 14 | PTB3 — General-purpose I/O / peripheral function |
| Chân 15 | PTB4 — General-purpose I/O / peripheral function |
| Chân 16 | PTB5 — General-purpose I/O / peripheral function |
| Chân 17 | VDDA — Analog supply (3.3 V) |
| Chân 18 | VSSA — Analog ground |
| Chân 19 | ANA0 — Analog input / ADC channel |
| Chân 20 | ANA1 — Analog input / ADC channel |
| Chân 21 | ANA2 — Analog input / ADC channel |
| Chân 22 | ANA3 — Analog input / ADC channel |
| Chân 23 | ANA4 — Analog input / ADC channel |
| Chân 24 | ANA5 — Analog input / ADC channel |
| Chân 25 | ANA6 — Analog input / ADC channel |
| Chân 26 | ANA7 — Analog input / ADC channel |
| Chân 27 | VDD — Core / I/O supply (3.3 V nominal) |
| Chân 28 | VSS — Ground |
| Chân 29 | PWM0A — eFlexPWM channel 0 output A |
| Chân 30 | PWM0B — eFlexPWM channel 0 output B |
| Chân 31 | PWM1A — eFlexPWM channel 1 output A |
| Chân 32 | PWM1B — eFlexPWM channel 1 output B |
| Chân 33 | PWM2A — eFlexPWM channel 2 output A |
| Chân 34 | PWM2B — eFlexPWM channel 2 output B |
| Chân 35 | PTC0 — General-purpose I/O / peripheral function |
| Chân 36 | PTC1 — General-purpose I/O / peripheral function |
| Chân 37 | PTC2 — General-purpose I/O / peripheral function |
| Chân 38 | PTC3 — General-purpose I/O / peripheral function |
| Chân 39 | PTC4 — General-purpose I/O / peripheral function |
| Chân 40 | PTC5 — General-purpose I/O / peripheral function |
| Chân 41 | PTC6 — General-purpose I/O / peripheral function |
| Chân 42 | PTC7 — General-purpose I/O / peripheral function |
| Chân 43 | RESET — Reset (3.3 V only input) |
| Chân 44 | JTAG_TMS — JTAG test mode select |
| Chân 45 | JTAG_TCK — JTAG test clock |
| Chân 46 | JTAG_TDO — JTAG test data out |
| Chân 47 | JTAG_TDI — JTAG test data in |
| Chân 48 | VDD — Core / I/O supply (3.3 V nominal) |
Ứng dụng tiêu biểu
MC56F82726VLF phù hợp cho 6 Áp dụngs: BLDC / PMSM Motor Control, Solar Inverter / Power Conversion, Switched-Mode Power Supplies (SMPS), Industrial Lighting / LED Ballasts, Uninterruptible Power Supplies (UPS), Industrial Sensor / Encoder Hub.
BLDC / PMSM Motor Control
The MC56F82726VLF is engineered for field-oriented control of BLDC and PMSM motors. Its 100 MHz 56800EX core executes Park/Clarke transforms and PI current loops within the PWM period, while the eFlexPWM module with programmable delay blocks generates complementary 3-phase signals with hardware dead-time insertion. Dual 12-bit ADCs sample phase currents simultaneously via the on-chip sample-and-hold, achieving sub-microsecond current-loop latency. On-chip analog comparators provide cycle-by-cycle overcurrent protection by directly tripping the PWM module - faster than ADC-based protection loops. Designers typically pair the MC56F82726VLF with a 3-phase gate driver (e.g. NXP GD3000) and power stage rated for the motor's voltage and current, achieving sensorless or sensored FOC on motors up to several hundred watts.
Được đề xuất
Solar Inverter / Power Conversion
In solar micro-inverters and string inverters, the MC56F82726VLF serves as the primary MPPT and inverter controller. The 56800EX DSP engine runs MPPT algorithms (Perturb&Observe or Incremental Conductance) and generates the grid-tie sine PWM via the eFlexPWM module. 32 KB flash accommodates grid-synchronization PLL code and anti-islanding protection routines. The 5 V-tolerant I/O simplifies interface to legacy gate-driver boards, while the 3.3 V core minimizes switching losses versus higher-voltage MCUs. Designers add external isolated current/voltage sensing back to the ADC inputs; the on-chip comparators provide fast overcurrent shutdown within one PWM cycle, critical for grid-tie safety compliance.
Được đề xuất
Switched-Mode Power Supplies (SMPS)
For digital-controlled SMPS, the MC56F82726VLF replaces traditional analog PWM controllers with a flexible software-defined loop. The high-resolution eFlexPWM (with 150 ps edge placement) supports multi-phase buck, boost, and LLC topologies. The on-chip 12-bit ADCs sample output voltage and current at the PWM switching frequency, while the 56800EX core executes voltage-mode or current-mode control loops with adaptive compensation. Cycle-by-cycle current limiting via the analog comparator protects the power stage during transients. The 32 KB flash budget comfortably fits digital compensator coefficients, soft-start state machines, and PMBus/SMBus telemetry stacks for server and telecom PSU designs.
Được đề xuất
Industrial Lighting / LED Ballasts
In dimmable LED drivers and electronic ballasts, the MC56F82726VLF provides closed-loop current regulation at high PWM dimming ratios without flicker. The eFlexPWM's programmable dead-time and fault inputs handle the high-side/low-side drive requirements of resonant half-bridge ballast topologies. The 56800EX DSP instructions accelerate RMS current calculations and PFC (power factor correction) loops in commercial luminaires. Industrial-grade -40C to +105C operation allows deployment in enclosed fixtures and outdoor signage, and the 5 V-tolerant I/O interfaces directly to 5 V analog dimming interfaces (0-10 V, DALI bridge ICs).
Được đề xuất
Uninterruptible Power Supplies (UPS)
In line-interactive and double-conversion UPS systems, the MC56F82726VLF manages inverter control, battery charging, and AC-mains synchronization. The quadrature decoder and enhanced timers precisely measure mains frequency and phase for seamless transfer to inverter mode. The 32 KB flash stores inverter control firmware plus battery charging profiles (constant-current / constant-voltage / float), and the on-chip ADC monitors battery voltage, current, and temperature. The DSP engine generates low-THD sine PWM for the inverter stage, while cycle-by-cycle current protection via comparators prevents catastrophic battery short events.
Được đề xuất
Industrial Sensor / Encoder Hub
Beyond power and motor control, the MC56F82726VLF acts as an industrial encoder and sensor hub. The on-chip quadrature decoder interfaces directly to incremental encoders (up to several hundred kHz input rates) for position feedback. The 12-bit ADCs read analog sensors (temperature, pressure, strain gauges) and the DSP engine runs digital filtering and linearization in real time. Communication peripherals (SCI/SPI/CAN) forward processed data to a central PLC or industrial Ethernet gateway. The 5 V-tolerant I/O and industrial temperature range suit factory-floor deployments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC56F82726VLF — 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 | MC56F82736VLF | MC56F82746VLF | MC56F82726VLFR |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same | 48-LQFP (7x7 mm) - same |
| Core | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC | 56800EX 32-bit DSC |
| Maximum CPU Frequency | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Program Flash | 32 KB | 48 KB (higher tier) | 64 KB (top of family) | 32 KB (same die) |
| Operating Temperature | -40C to +105C (industrial) | -40C to +105C | -40C to +105C | -40C to +105C |
| Approx. Unit Price (qty 1) | $4.95 | Higher (~$5.50) | Highest (~$6.20) | Similar (~$4.95) |
Bảo phân biệt quan trọng
- Lowest-cost 32 KB flash option in the 56F827xx LQFP-48 family (vsMC56F82736VLF)
- Industrial-grade operating temperature (vsConsumer-grade 56800EX DSCs)
- Integrated analog comparators for hardware-level cycle-by-cycle protection (vsGeneric Cortex-M0 motor MCUs)
Ghi chú thiết kế
Estimated: at 100 MHz core clock and full peripheral activity, the MC56F82726VLF draws roughly 60-80 mA from VDD (3.3 V). Use a 100 mA-rated LDO or switching regulator with at least 20% margin. Place 100 nF decoupling capacitors on every VDD/VSS pin pair and a bulk 10 uF near the IC to suppress switching noise that could couple into the ADC analog inputs.
Use a star-ground topology for the MC56F82726VLF: route the analog ground (VSSA) and digital ground (VSS) back to a single point near the on-board 3.3 V regulator. Avoid running noisy PWM traces parallel to analog ADC traces for more than a few millimetres. The LQFP-48 7x7 mm package has a thermal pad-less body, but a flooded ground copper pour beneath the IC improves both thermal dissipation and EMI.
Do not apply 5 V to the RESET pin - it is 3.3 V only and will damage the device. Most other I/O pins are 5 V-tolerant but do not exceed 5.5 V absolute maximum. When migrating from the MC56F82736VLF (more flash), ensure your linker script reserves sufficient RAM for the larger stack/heap or the upgraded firmware may not fit in the 32 KB flash of the MC56F82726VLF.
Thông tin tuân thủ
RoHS compliance confirmed by NXP product page. VLF variant is industrial grade, not AEC-Q100 qualified; consult NXP for auto-grade 56800EX DSCs.
