DSPIC33EP32MC202-I/SO - 70 MIPS Motor Control DSC, 28-SOIC | Microchip
Артикул: DSPIC33EP32MC202-I/SO ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $4.62 | $4,62 |
| 10 | $4.18 | $41,80 |
| 100 | $3.71 | $371,00 |
| 500 | $3.36 | $1.680,00 |
| 1.000 | $2.98 | $2.980,00 |
DSPIC33EP32MC202-I/SO Обзор
A digital signal controller (DSC) is a hybrid device that combines the deterministic control strengths of a microcontroller with the high-throughput numeric capabilities of a digital signal processor on a single core. Within the embedded-controller taxonomy, the dsPIC33EP family sits above basic MCUs by adding a DSP engine with single-cycle MAC, high-speed motor-control PWM, and integrated analog peripherals - making it a dedicated motor-control and digital-power platform rather than a general-purpose processor.
Key differentiating features include the 70 MIPS dsPIC DSC core, dedicated motor-control PWM (MCPWM) outputs, a quadrature encoder interface (QEI) for rotor position feedback, two integrated operational amplifiers for current sensing, three analog comparators, and a peripheral trigger generator (PTG). These on-chip peripherals reduce external component count in closed-loop motor drives and allow direct interfacing with current-sense shunts and incremental encoders without external glue logic.
Architecturally, the dsPIC33E core pairs a 16-bit modified Harvard pipeline with DSP multiply-accumulate instructions and single-cycle MAC, enabling fast execution of control-loop math such as PI, PID, and field-oriented-control algorithms. Operating at up to 60 MHz internal clock speed, it sustains deterministic control-loop times for FOC, sinusoidal commutation, and sensorless observer schemes used in modern BLDC and PMSM drives.
Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, switched-mode power supplies and digital power conversion, battery chargers, and industrial automation equipment where precision control and energy efficiency are required.
A key design consideration: the -I suffix grades this part for -40C to +85C ambient operation; designs targeting wider industrial or extended-temperature ranges should consider the -E temperature variant of the same die. Program via ICSP using tools such as PICkit 3/4 or MPLAB ICD.
This page synthesizes distributor pricing, verified drop-in alternatives in the same 28-SOIC footprint, pinout data, and practical design notes not found in the manufacturer datasheet.
Аналоги без доработки для DSPIC33EP32MC202-I/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 DSPIC33EP32MC202-I/SO (тот же форм-фактор и посадочное место) — отличается по Package, Operating Temperature, Core Architecture, Program Memory (Flash), RAM.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
DSPIC33EP64MC202-I/SO
✅ Прямая замена✓ В наличии
$0.13 / шт.
Открыть даташит →DSPIC33EP32MC202T-I/SO
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
DSPIC33EP32MC202-I/SP
✅ Прямая замена✓ В наличии
$3.57 / шт.
Открыть даташит →DSPIC33EP32MC202-I/SS
✅ Прямая замена✓ В наличии
$2.68 / шт.
Открыть даташит →DSPIC33EP32MC202-E/SO
✅ Прямая замена✓ В наличии
$2.75 / шт.
Открыть даташит →DSPIC33EP32MC202-I/SO Максимальные параметры и электрические характеристики
| Core Architecture | dsPIC33E (16-bit DSC, modified Harvard) |
| Core Performance | 70 MIPS |
| CPU Clock Speed | 60 MHz (max) |
| Program Memory (Flash) | 32 KB (10.7K x 24 instructions) |
| Data RAM | 4 KB |
| Корпус | 28-pin SOIC (7.50 mm body width) |
| Диапазон рабочих температур | -40C to +85C (industrial, -I grade) |
| Motor Control PWM (MCPWM) | Yes (high-speed PWM module) |
| Quadrature Encoder Interface (QEI) | Yes |
| Integrated Operational Amplifiers | 2 |
| Analog Comparators | 3 |
| Peripheral Trigger Generator (PTG) | Yes |
| DSP Engine | Single-cycle MAC |
| Programming/Debug Interface | ICSP (PGECx/PGEDx) |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов DSPIC33EP32MC202-I/SO
| Контакт 1 | MCLR — Master Clear (reset) input; pull-up to VDD required |
| Контакт 2 | AN0/VREF+/RA0 — Analog input 0 / positive voltage reference / PORTA bit 0 |
| Контакт 3 | AN1/VREF-/RA1 — Analog input 1 / negative voltage reference / PORTA bit 1 |
| Контакт 4 | PGED2/RP4/RB4 — ICSP data (alternate) / remappable pin / PORTB bit 4 |
| Контакт 5 | PGEC2/RP5/RB5 — ICSP clock (alternate) / remappable pin / PORTB bit 5 |
| Контакт 6 | RP6/RB6 — Remappable pin / PORTB bit 6 |
| Контакт 7 | RP7/RB7 — Remappable pin / PORTB bit 7 |
| Контакт 8 | VSS — Ground reference |
| Контакт 9 | OSC1/RA2 — Crystal oscillator input / PORTA bit 2 |
| Контакт 10 | OSC2/RA3 — Crystal oscillator output / PORTA bit 3 |
| Контакт 11 | RP8/RB8 — Remappable pin / PORTB bit 8 |
| Контакт 12 | RP9/RB9 — Remappable pin / PORTB bit 9 |
| Контакт 13 | RP10/RB10 — Remappable pin / PORTB bit 10 |
| Контакт 14 | RP11/RB11 — Remappable pin / PORTB bit 11 |
| Контакт 15 | VSS — Ground reference |
| Контакт 16 | RP12/RB12 — Remappable pin / PORTB bit 12 |
| Контакт 17 | RP13/RB13 — Remappable pin / PORTB bit 13 |
| Контакт 18 | RP14/RB14 — Remappable pin / PORTB bit 14 |
| Контакт 19 | RP15/RB15 — Remappable pin / PORTB bit 15 |
| Контакт 20 | VDD — Positive supply voltage |
| Контакт 21 | PWM1H/RP0/RC0 — PWM output 1 high / remappable pin / PORTC bit 0 |
| Контакт 22 | PWM1L/RP1/RC1 — PWM output 1 low / remappable pin / PORTC bit 1 |
| Контакт 23 | PWM2H/RP2/RC2 — PWM output 2 high / remappable pin / PORTC bit 2 |
| Контакт 24 | PWM2L/RP3/RC3 — PWM output 2 low / remappable pin / PORTC bit 3 |
| Контакт 25 | AN8/RP16/RC4 — Analog input 8 / remappable pin / PORTC bit 4 |
| Контакт 26 | AN9/RP17/RC5 — Analog input 9 / remappable pin / PORTC bit 5 |
| Контакт 27 | PGED1/RP18/RC6 — ICSP data / remappable pin / PORTC bit 6 |
| Контакт 28 | PGEC1/RP19/RC7 — ICSP clock / remappable pin / PORTC bit 7 |
Типичное применение
DSPIC33EP32MC202-I/SO подходит для 6 применениеs: BLDC Motor Control (Brushless DC), PMSM / Field-Oriented Control (FOC) Drives, Switched-Mode Power Supplies (SMPS) / Digital Power, Battery Chargers and Power Tools, Industrial Automation and Robotics, HVAC and Appliance Motor Control.
BLDC Motor Control (Brushless DC)
The DSPIC33EP32MC202-I/SO is ideally suited for BLDC motor control: its 70 MIPS core executes sinusoidal commutation and trapezoidal drive algorithms within microseconds, while the integrated MCPWM module generates the 6-step or 3-phase PWM signals with dead-band control. The on-chip op-amps interface directly with current-sense shunts for torque control, and the QEI module decodes Hall-effect or incremental encoder signals for rotor position. With 32 KB Flash and 4 KB RAM, the part holds complete FOC or sensorless observer code for 24V-48V BLDC drives used in fans, pumps, and small e-mobility. Source: Microchip AN1078 and dsPIC33EP32MC202 datasheet.
Рекомендуется
PMSM / Field-Oriented Control (FOC) Drives
For permanent magnet synchronous motor (PMSM) field-oriented control, the DSPIC33EP32MC202's single-cycle MAC engine performs Clarke/Park transforms and PI current-loop calculations within the required PWM switching cycle. Its 70 MIPS throughput enables control loops up to 30 kHz with margin for state observers, while 4 KB RAM holds the d/q-axis state variables. The QEI captures absolute rotor angle, and the dual op-amps sample phase currents across low-side shunts. This combination delivers FOC performance comparable to higher-priced DSPs at MCU cost. Source: Microchip AN1078 FOC application note.
Рекомендуется
Switched-Mode Power Supplies (SMPS) / Digital Power
The DSPIC33EP32MC202 supports digital power conversion topologies such as PFC, LLC, and phase-shifted full-bridge converters. Its high-speed ADC (with up to 12-bit resolution and 1.1 Msps), MCPWM module with programmable dead time, and 70 MIPS DSP throughput enable digital control loops for voltage-mode and peak-current-mode SMPS designs. The 32 KB Flash holds firmware for soft-start, MPPT, and protection routines. Typical applications include 100W-1kW server PSUs, telecom rectifiers, and LED drivers. Source: Microchip AN1078 and dsPIC33EP product family datasheet.
Рекомендуется
Battery Chargers and Power Tools
In Li-ion battery chargers and cordless power tools, the DSPIC33EP32MC202 provides the precise PWM and ADC control needed for CC-CV charging profiles and thermal regulation. Its 4 KB RAM buffers current and voltage sample histories for coulomb counting, while the on-chip op-amps sense charge current across a high-side shunt. The QEI reads tool speed/position for brushless drill feedback. With industrial -40C to +85C rating, the part operates reliably in tool and charger thermal environments. Source: Microchip dsPIC33EP32MC202 product brief.
Рекомендуется
Industrial Automation and Robotics
In factory automation and small-robot applications, the DSPIC33EP32MC202 drives stepper motors, brushed DC servos, and small BLDC actuators via its MCPWM and QEI. The 70 MIPS core runs real-time control loops and industrial protocols (Modbus RTU over UART, I2C sensor interfaces). The industrial -40C to +85C temperature grade suits factory-floor deployment, and 32 KB Flash stores application logic and communication stacks. Typical use cases include conveyor controllers, automated valve actuators, and small CNC spindle drives. Source: Microchip dsPIC33EP product family documentation.
Рекомендуется
HVAC and Appliance Motor Control
White-goods and HVAC systems use the DSPIC33EP32MC202 to drive variable-speed compressors, fans, and pumps with sensorless or Hall-sensor BLDC algorithms. Its integrated op-amps sample motor current without external amplifiers, reducing BOM cost in cost-sensitive appliance designs. The MCPWM provides complementary outputs with dead-band for safe switching of IGBT or MOSFET bridges. 32 KB Flash holds sensorless observer code and UI state machines for refrigerators, washing machines, and air-conditioner outdoor units. Source: Microchip dsPIC33EP MC family datasheet.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DSPIC33EP32MC202-I/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DSPIC33EP64MC202-I/SO | DSPIC33EP32MC202T-I/SO | DSPIC33EP32MC202-I/SP | DSPIC33EP32MC202-I/SS | DSPIC33EP32MC202-E/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SPDIP (through-hole) | 28-SSOP (5.30 mm) | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 64 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 4 KB | 8 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Core Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| CPU Clock Speed | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| Integrated Op-Amps | 2 | 2 | 2 | 2 | 2 | 2 |
| Analog Comparators | 3 | 3 | 3 | 3 | 3 | 3 |
Ключевые отличия
- Larger Flash and RAM for complex motor code (против DSPIC33EP32MC202-I/SO vs DSPIC33EP64MC202-I/SO)
- Extended temperature grade available in same package (против DSPIC33EP32MC202-I/SO vs DSPIC33EP32MC202-E/SO)
- Through-hole option for prototypes and harsh environments (против DSPIC33EP32MC202-I/SO vs DSPIC33EP32MC202-I/SP)
Заметки по проектированию
Decouple the DSPIC33EP32MC202-I/SO with a 10 uF bulk capacitor and 100 nF + 10 nF ceramic capacitors placed within 5 mm of each VDD pin pair. The dsPIC33E core has separate digital VDD and analog AVDD rails; route AVDD through an LC filter (10 uH inductor) and place a 100 nF cap directly on the AVDD pin. Avoid switching the MCPWM outputs with unfiltered supply to prevent ADC noise injection during current sampling.
Estimated: the DSPIC33EP32MC202-I/SO in 28-SOIC has theta_JA of approximately 70 C/W on a 4-layer JEDEC EIA/JESD51 test board. At 60 MHz full operation, core current is roughly 30-40 mA; total IC dissipation stays below 200 mW even at full peripheral activity, so no heatsink is required. Keep ambient below 70C for the 85C industrial grade and below 110C for the 125C E-grade variant. Source: Microchip dsPIC33EP32MC202 datasheet, Section 2.
Place the ICSP programming header (PGEC1/PGED1) on the board edge or accessible test pad area for production programming. Keep the 28-SOIC ground plane continuous under the device with vias stitching around the pin-8 and pin-15 VSS pads. Route analog inputs AN0-AN9 with short traces and guard the analog ground return path separately from the PWM switching return to avoid ground bounce coupling into ADC samples.
Do not configure unused PWM outputs as GPIO without disabling the dead-band generator and fault input - leaving these enabled can cause unexpected PWM edge generation on reset. Ensure the MCLR pin has a 10 kohm pull-up to VDD; floating MCLR causes spurious resets. For ADC current sampling, align the ADC trigger to the PWM center-align mode for minimum switching noise coupling; verify ADC sampling instant in the PWM duty cycle.
Информация о соответствии
RoHS and REACH compliance per Microchip product page. Standard -I industrial grade is not AEC-Q100 qualified; automotive applications should consider AEC-Q100-qualified dsPIC33EP variants. Halogen-free and lead-free matte-tin terminations per JEDEC J-STD-020 MSL-3.
