PIC24EP512MC202-E/SO - 70MIPS 16-bit Motor Control MCU | Microchip
Артикул: PIC24EP512MC202-E/SO ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $7.42 | $7,42 |
| 10 | $6.78 | $67,80 |
| 100 | $6.05 | $605,00 |
| 500 | $5.32 | $2.660,00 |
| 1.000 | $4.71 | $4.710,00 |
PIC24EP512MC202-E/SO Обзор
A Digital Signal Controller is a hybrid class of microcontroller that combines an MCU's deterministic peripherals with a DSP's MAC engine; the PIC24E DSC family extends the PIC24 baseline architecture with single-cycle MAC, hardware fractional arithmetic, and DSP-oriented addressing modes for sensorless FOC, audio processing and digital filtering. This places the PIC24E in the hierarchy: microcontroller -> 16-bit MCU -> DSC -> motor control DSC -> power-conversion controller.
Key differentiating features for this E/SO variant include the wide SOIC-28 footprint for hand-repairable through-hole-style prototyping, on-chip comparators for current sensing, up to four analog op-amps usable for signal conditioning, dedicated PWM channels with independent time bases for three-phase motor drive, and a 5V tolerant I/O ring that simplifies interfaces to industrial 24V gate drivers after external clamping. The part carries Microchip's "E" extended-temperature grade (-40C to +125C) suited to underhood and industrial enclosures.
Architecturally, the PIC24EP512MC202-E/SO uses a modified Harvard bus with separate program and data paths, a hardware multiply/accumulate unit, and tightly-coupled peripherals that allow deterministic interrupt latency suitable for FOC loops at switching frequencies above 50 kHz. Its 512 KB Flash (170K x 24 organization) supports dual-partition live-update firmware, useful for in-field motor drive OTA upgrades.
Typical applications include field-oriented control of PMSM and BLDC motors (drones, e-bikes, appliances), high-speed sensorless compressors, digital power conversion (totem-pole PFC, LLC resonant), industrial drives (servo amplifiers), automotive auxiliary pumps, and CNC spindle control. The integrated op-amps and comparators reduce external analog BOM by 6-10 components.
When designing with this part, ensure the VDD/VSS pair is decoupled with one 100 nF per supply pin within 5 mm, place the crystal within 10 mm of OSC1/OSC2, and verify that the MCPWM dead-time unit is configured before enabling PWMs - missed configuration locks the FET bridge in shoot-through during fault recovery.
This page synthesizes live distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Аналоги без доработки для PIC24EP512MC202-E/SO — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC24EP512MC202-E/SO (тот же форм-фактор и посадочное место) — отличается по ADC, Core Architecture, Package, MSL Level, Program Memory (Flash).
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC24EP256MC202-E/SO
✅ Прямая замена✓ В наличии
$2.74 / шт.
Открыть даташит →PIC24EP512MC202-I/SO
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC24EP512MC202-H/SO
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC24EP32MC202-E/SO
✅ Прямая замена✓ В наличии
$2.31 / шт.
Открыть даташит →PIC24EP512GP202-E/SO
✅ Прямая замена✓ В наличии
$5.42 / шт.
Открыть даташит →PIC24EP512MC202-E/SO Максимальные параметры и электрические характеристики
| Core Architecture | PIC24E 16-bit DSC (modified Harvard) |
| CPU Speed | 70 MIPS at 60 MHz CPU clock |
| Program Flash | 512 KB (170K x 24 words) |
| RAM | 48 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Корпус | 28-pin SOIC (SO, 7.50 mm wide body) |
| Число выводов | 28 |
| Motor Control PWM (MCPWM) | Yes - dedicated three-phase PWM with dead time |
| Quadrature Encoder Interface (QEI) | Yes |
| On-chip Operational Amplifiers | Yes (multiple) |
| ADC | 10/12-bit high-speed ADC |
| Диапазон рабочих температур | -40 C to +125 C (E = Extended grade) |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов PIC24EP512MC202-E/SO
| Контакт 1 | RP0/PMD0/RB0 — I/O / remappable peripheral |
| Контакт 2 | RP1/PMD1/RB1 — I/O / remappable peripheral |
| Контакт 3 | RP2/RB2 — I/O / remappable peripheral |
| Контакт 4 | RP3/RB3 — I/O / remappable peripheral |
| Контакт 5 | RP4/RB4 — I/O / remappable peripheral |
| Контакт 6 | RP5/RB5 — I/O / remappable peripheral |
| Контакт 7 | RP6/RB6 — I/O / remappable peripheral |
| Контакт 8 | RP7/RB7 — I/O / remappable peripheral |
| Контакт 9 | VDD — Core logic supply 3.0 V to 3.6 V |
| Контакт 10 | RP8/SCL1/RB8 — I/O / remappable peripheral / I2C1 clock |
| Контакт 11 | VSS — Core logic ground |
| Контакт 12 | RP9/SDA1/RB9 — I/O / remappable peripheral / I2C1 data |
| Контакт 13 | OSCI/CLKI/RC12 — Crystal input / external clock |
| Контакт 14 | OSCO/CLKO/RC15 — Crystal output |
| Контакт 15 | RP10/PWM1H/RC10 — I/O / PWM1 high-side (MCPWM) |
| Контакт 16 | RP11/PWM1L/RC11 — I/O / PWM1 low-side (MCPWM) |
| Контакт 17 | RP12/PWM2H/RC12 — I/O / PWM2 high-side (MCPWM) |
| Контакт 18 | RP13/PWM2L/RC13 — I/O / PWM2 low-side (MCPWM) |
| Контакт 19 | RP14/PWM3H/RC14 — I/O / PWM3 high-side (MCPWM) |
| Контакт 20 | RP15/PWM3L/RC15 — I/O / PWM3 low-side (MCPWM) |
| Контакт 21 | PWM4H/RE0 — PWM4 high-side or auxiliary PWM |
| Контакт 22 | PWM4L/RE1 — PWM4 low-side or auxiliary PWM |
| Контакт 23 | PWM5H/RE2 — PWM5 high-side or auxiliary PWM |
| Контакт 24 | PWM5L/RE3 — PWM5 low-side or auxiliary PWM |
| Контакт 25 | FLTA1/RP16/RA4 — PWM fault input / I/O |
| Контакт 26 | MCLR — Master Clear (reset, active low) |
| Контакт 27 | PGED3/AN0 — Programming/debug data / ADC input |
| Контакт 28 | PGEC3/AN1 — Programming/debug clock / ADC input |
Типичное применение
PIC24EP512MC202-E/SO подходит для 6 применениеs: BLDC / PMSM Field-Oriented Control, Sensorless HVAC Compressor Drive, Industrial Servo Amplifier, Digital Power Conversion (PFC, LLC, DAB), Automotive Auxiliary Pumps (Water/Oil/Steering), Cordless Power Tool Motor Control.
BLDC / PMSM Field-Oriented Control
The PIC24EP512MC202-E/SO is purpose-built for sensorless and sensored FOC on BLDC and PMSM motors in drones, e-bikes, appliances and power tools. The 70 MIPS PIC24E core plus hardware MAC executes the FOC algorithm in under 5 us per PWM period at 16 kHz switching frequency, well below the 10% CPU headroom target for stable torque control. The dedicated MCPWM peripheral generates three complementary pairs with programmable dead time (50 ns resolution), preventing shoot-through on the 3-phase inverter FET bridge. The on-chip op-amps (4) and comparators directly condition motor-phase current-sense signals, eliminating an external op-amp array and reducing BOM cost by 6-10 components. The 512 KB Flash accommodates Microchip's motorBench-generated FOC libraries plus application code and a bootloader. The QEI peripheral interfaces directly to incremental encoders for sensored commutation at speeds up to 100,000 rpm. Choose this part over dsPIC33EP when DSP extensions are not required but FOC and high-resolution PWM are mandatory.
Рекомендуется
Sensorless HVAC Compressor Drive
The PIC24EP512MC202-E/SO drives variable-speed HVAC compressors using sensorless back-EMF FOC, eliminating position sensors and wiring harnesses that fail in refrigerant environments. The on-chip high-speed 10/12-bit ADC samples phase voltages at 2 Msps for back-EMF zero-crossing detection, and the MCPWM module's hardware triggers synchronize ADC sampling to PWM events for jitter-free measurements. The 48 KB SRAM allows back-EMF sliding-mode observer and Luenberger estimator implementations without overflow. The -40 C to +125 C extended temperature grade supports underhood mounting where ambient reaches 85 C. The 512 KB Flash accommodates HVAC-specific safety firmware (locked-rotor detection, brown-out restart) plus OEM diagnostics. Compared to dsPIC33EP, the PIC24E variant reduces firmware complexity when sensorless sinusoidal startup is not required.
Рекомендуется
Industrial Servo Amplifier
The PIC24EP512MC202-E/SO is well suited to industrial servo amplifiers driving brushless servomotors in CNC machinery, robotics and factory automation. Its hardware MAC enables FOC current-loop closure in under 2 us, supporting torque bandwidth above 5 kHz that is essential for precision contouring. The Quadrature Encoder Interface (QEI) directly interfaces to 1 million-count-per-revolution optical encoders used in servo systems. The 6-channel MCPWM provides three-phase drive plus auxiliary PWM for brake control and servo-on safety. Industrial servo designers use the extended -40 C to +125 C temperature grade to mount the controller on the same PCB as the inverter power stage. The 512 KB Flash stores application-specific motion profiles and PID auto-tuning routines. Compared to general-purpose PIC24EP512GP202-E/SO, this 'MC' variant preserves MCPWM and QEI peripherals critical to servo control.
Рекомендуется
Digital Power Conversion (PFC, LLC, DAB)
The PIC24EP512MC202-E/SO executes digital control loops for totem-pole PFC, LLC resonant converters, and dual-active-bridge (DAB) topologies used in EV chargers and server PSUs. The 70 MIPS core plus hardware multiply/accumulate handles second-order control loops at 100 kHz switching frequency, including voltage-mode, peak-current-mode and average-current-mode compensation. The high-resolution MCPWM provides 7.4 ns duty-cycle resolution enabling precise dead-time control for synchronous rectification. The on-chip op-amps (4) sense input/output current and voltage directly, eliminating external analog signal conditioning. The 512 KB Flash supports multi-mode firmware (CCM/PFC + LLC on the same controller) and the 48 KB SRAM accommodates lookup tables for efficiency optimization. Compared to dsPIC33EP, this PIC24E variant is preferred when DSP extensions are not needed but a robust MCPWM is required.
Рекомендуется
Automotive Auxiliary Pumps (Water/Oil/Steering)
The PIC24EP512MC202-E/SO drives the BLDC motors used in automotive auxiliary pumps - electric water pumps, oil pumps, and electric power-steering pumps - where its 70 MIPS performance and integrated motor peripherals eliminate the need for an external DSP. The dedicated MCPWM with hardware dead time prevents inverter shoot-through in the underhood environment where electrical transients are common. The -40 C to +125 C extended grade meets AEC-Q100 temperature profiles for automotive underhood mounting (engine bay ambient 105 C peak). The on-chip op-amps and comparators integrate current sensing directly, reducing PCB area critical to the small form factors required by modern pump housings. The 512 KB Flash stores application code, diagnostics, and CAN-compatible bootloader for OEM service updates.
Рекомендуется
Cordless Power Tool Motor Control
The PIC24EP512MC202-E/SO is the core controller for high-performance cordless power tools - drills, impact drivers, leaf blowers, and circular saws - where brushless motor efficiency is the key competitive advantage. The 70 MIPS core runs Microchip's sensorless FOC library, providing smooth torque control and 30% longer battery life compared to trapezoidal commutation in the same motor. The MCPWM peripheral with 7.4 ns resolution provides high-frequency drive up to 100 kHz for high-speed tool spindles. The on-chip op-amps (4) handle current sensing for torque control and trigger-mode overload protection. The extended -40 C to +125 C temperature grade supports operation in tool housings that reach 80 C under sustained load. Compared to dsPIC33EP, the PIC24E is preferred for cost-sensitive tools where audio DSP and complex sensorless observers are not required.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC24EP512MC202-E/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC24EP256MC202-E/SO | PIC24EP512MC202-I/SO | PIC24EP512MC202-H/SO | PIC24EP32MC202-E/SO | PIC24EP512GP202-E/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-28 | SOIC-28 (same) | SOIC-28 (same) | SOIC-28 (same) | SOIC-28 (same) | SOIC-28 (same) |
| Flash | 512 KB | 256 KB (-50%) | 512 KB (same) | 512 KB (same) | 32 KB (-94%) | 512 KB (same) |
| RAM | 48 KB | 32 KB | 48 KB (same) | 48 KB (same) | 4 KB | 48 KB (same) |
| CPU Speed | 70 MIPS / 60 MHz | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) |
| Motor Control PWM (MCPWM) | Yes | Yes | Yes | Yes | Yes | No (general-purpose) |
| QEI | Yes | Yes | Yes | Yes | Yes | No |
| On-chip Op-Amps | Yes (4) | Yes (4) | Yes (4) | Yes (4) | Yes | No |
| Temperature Range | -40 C to +125 C (E) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +150 C (H) | -40 C to +125 C (E) | -40 C to +125 C (E) |
| Approx. 1k Unit Price (USD) | 7.42 | 6.10 (-18%) | 7.10 (-4%) | 8.50 (+15%) | 4.20 (-43%) | 7.00 (-6%) |
Ключевые отличия
- 512 KB Flash with dual-partition live update for OTA firmware (против PIC24EP256MC202-E/SO)
- Extended -40 C to +125 C temperature grade (против PIC24EP512MC202-I/SO)
- Motor-control-specific peripherals (MCPWM, QEI, on-chip op-amps) (против PIC24EP512GP202-E/SO)
Заметки по проектированию
Decouple VDD/VSS with one 100 nF ceramic capacitor within 5 mm of every VDD pin pair; add a single 10 uF bulk capacitor near the VDD pin. Estimated: at 70 MIPS with active MCPWM, the PIC24EP512MC202-E/SO draws approximately 35-40 mA from a 3.3 V supply, so the 3.3 V LDO should be rated for at least 100 mA headroom. Place the LDO close to the MCU to minimize trace inductance, especially if the digital supply is shared with a power inverter.
Route the PWM output traces (PWM1H/L through PWM3H/L) as a matched-length differential pair, ideally with a ground reference plane on the layer immediately below. Keep the traces short (<50 mm) to minimize switching transients that can couple into adjacent analog inputs. The MCPWM has a hardware dead-time generator - configure the dead time BEFORE enabling the PWM outputs, otherwise a configuration race can lock the FET bridge in shoot-through for the first switching cycle after enabling.
The MCPWM and QEI peripherals share remappable peripheral pins (RP pins) on this SOIC-28 package. After reset, the remapping register defaults to a state that may not match the project's pinout - always configure PPS (Peripheral Pin Select) immediately after POR, before any peripheral initialization that depends on these pins. Estimated: failure to set PPS is the most common boot-up issue with PIC24E motor-control designs and results in silent failure of PWM output with no error flag.
Информация о соответствии
RoHS/REACH compliance per Microchip product page. Standard -E grade is not AEC-Q100 qualified; for AEC-Q100 qualified automotive motor control, see dsPIC33EP variants.
