MC56F82726VLF - 32-bit DSC, 100MHz, 32KB Flash, 48-LQFP | NXP
MPN: MC56F82726VLF ✓ نشطMC56F82726VLF نظرة عامة
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.
بدائل مباشرة لـ MC56F82726VLF — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع MC56F82726VLF (نفس عامل الشكل والبصمة) — يختلف في Package, Core, Maximum CPU Frequency, RAM, Data Bus Width.
MC56F82736VLF
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC56F82746VLF
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC56F82726VLFR
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
MC56F82726VLC
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
MC56F82726VLF الحدود القصوى والخصائص الكهربائية
| Core | 56800EX 32-bit DSC |
| Maximum CPU Frequency | 100 MHz |
| Program Flash | 32 KB (16K x 16) |
| RAM | 8 KB (4K x 16) |
| العلبة | 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 |
| درجة حرارة التشغيل | -40C to +105C (industrial, VLF suffix) |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
| Process Technology | High-density low-power CMOS |
| عدد الأطراف | 48 |
تكوين أطراف MC56F82726VLF
| دبوس 1 | VDD — Core / I/O supply (3.3 V nominal) |
| دبوس 2 | VSS — Ground |
| دبوس 3 | PTA0 — General-purpose I/O / peripheral function |
| دبوس 4 | PTA1 — General-purpose I/O / peripheral function |
| دبوس 5 | PTA2 — General-purpose I/O / peripheral function |
| دبوس 6 | PTA3 — General-purpose I/O / peripheral function |
| دبوس 7 | PTA4 — General-purpose I/O / peripheral function |
| دبوس 8 | PTA5 — General-purpose I/O / peripheral function |
| دبوس 9 | PTA6 — General-purpose I/O / peripheral function |
| دبوس 10 | PTA7 — General-purpose I/O / peripheral function |
| دبوس 11 | PTB0 — General-purpose I/O / peripheral function |
| دبوس 12 | PTB1 — General-purpose I/O / peripheral function |
| دبوس 13 | PTB2 — General-purpose I/O / peripheral function |
| دبوس 14 | PTB3 — General-purpose I/O / peripheral function |
| دبوس 15 | PTB4 — General-purpose I/O / peripheral function |
| دبوس 16 | PTB5 — General-purpose I/O / peripheral function |
| دبوس 17 | VDDA — Analog supply (3.3 V) |
| دبوس 18 | VSSA — Analog ground |
| دبوس 19 | ANA0 — Analog input / ADC channel |
| دبوس 20 | ANA1 — Analog input / ADC channel |
| دبوس 21 | ANA2 — Analog input / ADC channel |
| دبوس 22 | ANA3 — Analog input / ADC channel |
| دبوس 23 | ANA4 — Analog input / ADC channel |
| دبوس 24 | ANA5 — Analog input / ADC channel |
| دبوس 25 | ANA6 — Analog input / ADC channel |
| دبوس 26 | ANA7 — Analog input / ADC channel |
| دبوس 27 | VDD — Core / I/O supply (3.3 V nominal) |
| دبوس 28 | VSS — Ground |
| دبوس 29 | PWM0A — eFlexPWM channel 0 output A |
| دبوس 30 | PWM0B — eFlexPWM channel 0 output B |
| دبوس 31 | PWM1A — eFlexPWM channel 1 output A |
| دبوس 32 | PWM1B — eFlexPWM channel 1 output B |
| دبوس 33 | PWM2A — eFlexPWM channel 2 output A |
| دبوس 34 | PWM2B — eFlexPWM channel 2 output B |
| دبوس 35 | PTC0 — General-purpose I/O / peripheral function |
| دبوس 36 | PTC1 — General-purpose I/O / peripheral function |
| دبوس 37 | PTC2 — General-purpose I/O / peripheral function |
| دبوس 38 | PTC3 — General-purpose I/O / peripheral function |
| دبوس 39 | PTC4 — General-purpose I/O / peripheral function |
| دبوس 40 | PTC5 — General-purpose I/O / peripheral function |
| دبوس 41 | PTC6 — General-purpose I/O / peripheral function |
| دبوس 42 | PTC7 — General-purpose I/O / peripheral function |
| دبوس 43 | RESET — Reset (3.3 V only input) |
| دبوس 44 | JTAG_TMS — JTAG test mode select |
| دبوس 45 | JTAG_TCK — JTAG test clock |
| دبوس 46 | JTAG_TDO — JTAG test data out |
| دبوس 47 | JTAG_TDI — JTAG test data in |
| دبوس 48 | VDD — Core / I/O supply (3.3 V nominal) |
التطبيقات النموذجية
MC56F82726VLF مناسب لـ 6 التطبيقs: 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.
موصى به
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.
موصى به
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.
موصى به
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).
موصى به
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.
موصى به
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.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ MC56F82726VLF — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | 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) |
أبرز الفروقات
- Lowest-cost 32 KB flash option in the 56F827xx LQFP-48 family (مقابلMC56F82736VLF)
- Industrial-grade operating temperature (مقابلConsumer-grade 56800EX DSCs)
- Integrated analog comparators for hardware-level cycle-by-cycle protection (مقابلGeneric Cortex-M0 motor MCUs)
ملاحظات التصميم
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.
معلومات الامتثال
RoHS compliance confirmed by NXP product page. VLF variant is industrial grade, not AEC-Q100 qualified; consult NXP for auto-grade 56800EX DSCs.
