DSPIC33FJ32MC202-E/SO - 16-bit 40 MIPS DSC Motor Control | Microchip
N.º de pieza: DSPIC33FJ32MC202-E/SO ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $5.42 | $5,42 |
| 10 | $4.91 | $49,10 |
| 100 | $4.2 | $420,00 |
| 500 | $3.85 | $1.925,00 |
| 1.000 | $3.55 | $3.550,00 |
DSPIC33FJ32MC202-E/SO Descripción general
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy of embedded systems, the dsPIC33F sits between general-purpose MCUs and dedicated DSPs: it executes the modified Harvard 16-bit CPU core with DSP-enhanced instructions (MAC, DSP multiply, modulo addressing) while integrating motor-control peripherals on chip.
Key features include two PWM generators with independent timebases for motor drive topologies, Peripheral Pin Select (PPS) that maps digital peripherals to nearly any pin for layout flexibility, 2048 words of RAM, 5 timers, and 3 external interrupts. The Motor Control PWM module supports complementary and independent outputs with dead-time insertion, essential for BLDC, PMSM, ACIM, and stepper control.
Technically, the device runs a 16-bit modified Harvard architecture with a pipelined CPU, hardware DSP support, and on-chip 10-bit ADC suited to current-sense loops. Clocking reaches 40 MIPS via the internal PLL from an external crystal or internal FRC oscillator. Flash self-programming supports field firmware updates.
Typical applications include brushless DC and permanent-magnet synchronous motor drives, switch-mode power supplies and power-factor-correction converters, digital lighting ballasts, and embedded sensing systems. The 28-SOIC footprint suits compact, cost-sensitive industrial boards.
Design consideration: ensure proper VDD/AVDD decoupling (0.1 uF per pin close to the package) and use MCLR with a 10 kohm pull-up for reliable in-circuit programming via ICSP.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet, as of 2026-09-27.
Alternativas directas para DSPIC33FJ32MC202-E/SO — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con DSPIC33FJ32MC202-E/SO (mismo factor de forma y huella) — difiere en Operating Temperature, Package, Core Architecture, Program Memory (Flash), RoHS Status.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33FJ32MC202-I/SO
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DSPIC33FJ32MC102-E/SO
✅ Sustitución directa✓ En stock
$3.78 / unidad
Ver hoja de datos →DSPIC33FJ32MC102T-I/SO
✅ Sustitución directa✓ En stock
$3.3 / unidad
Ver hoja de datos →DSPIC33FJ12MC202-I/SO
✅ Sustitución directa✓ En stock
$3.85 / unidad
Ver hoja de datos →DSPIC33FJ12MC202T-E/SO
✅ Sustitución directa✓ En stock
$3.05 / unidad
Ver hoja de datos →DSPIC33FJ32MC202-E/SO Valores máximos y características eléctricas
| Core Architecture | 16-bit modified Harvard, DSP-enhanced |
| Max CPU Speed | 40 MIPS |
| Program Memory (Flash) | 32 KB (32K x 8) |
| SRAM | 2048 words |
| Encapsulado | 28-pin SOIC (SO), 1.27 mm pitch |
| Tipo de montaje | Surface Mount |
| Timers | 5 |
| External Interrupts | 3 |
| PWM Generators | 2 (independent timebases, Motor Control PWM) |
| Peripheral Pin Select | Yes (PPS) |
| ADC Resolution | 10-bit |
| Serial Interfaces | 1 serial I/O (UART/SPI/I2C per PPS mapping) |
| Technology | CMOS |
| Temperatura de funcionamiento | -40C to +125C (E = extended) |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Migration Compatibility | PIC24F, PIC24H, dsPIC30F, dsPIC33F families |
Configuración de pines de DSPIC33FJ32MC202-E/SO
| Pin 1 | MCLR — Master clear reset / ICSP programming voltage input |
| Pin 2 | AN0/VREF+/CN2B/RB0 — Analog input 0 / ADC positive reference / PORTB bit 0 |
| Pin 3 | AN1/VREF-/CN3B/RB1 — Analog input 1 / ADC negative reference / PORTB bit 1 |
| Pin 4 | AN2/SS1/CN4B/RB2 — Analog input 2 / SPI slave select / PORTB bit 2 |
| Pin 5 | AN3/INDX/CN5B/RB3 — Analog input 3 / QEI index input / PORTB bit 3 |
| Pin 6 | AN4/QEA/IC7/CN6B/RB4 — Analog input 4 / QEI phase A / input capture 7 / PORTB bit 4 |
| Pin 7 | AN5/QEB/IC8/CN7B/RB5 — Analog input 5 / QEI phase B / input capture 8 / PORTB bit 5 |
| Pin 8 | VSS — Digital ground |
| Pin 9 | OSC1/CLKI/CN12/RA2 — Primary oscillator input / external clock input / PORTA bit 2 |
| Pin 10 | OSC2/CLKO/CN13/RA3 — Primary oscillator output / clock output / PORTA bit 3 |
| Pin 11 | EMUD1/SOSCI/T2CK/CN1/RA4 — Secondary oscillator input / Timer2 external clock / PORTA bit 4 |
| Pin 12 | EMUC1/SOSCO/T1CK/CN0/RA5 — Secondary oscillator output (32.768 kHz) / Timer1 external clock / PORTA bit 5 |
| Pin 13 | VDD — Positive supply |
| Pin 14 | AN6/OC2/IC2/CN8/RB6 — Analog input 6 / output compare 2 / input capture 2 / PORTB bit 6 |
| Pin 15 | AN7/OC1/IC1/CN9/RB7 — Analog input 7 / output compare 1 / input capture 1 / PORTB bit 7 |
| Pin 16 | VSS — Digital ground |
| Pin 17 | PGD/EMUD3/SDO1/U1ATX/CN10/RB8 — ICSP data / UART1 alternate TX / SPI data out / PORTB bit 8 |
| Pin 18 | PGC/EMUC3/SCK1/U1ARX/CN11/RB9 — ICSP clock / UART1 alternate RX / SPI clock / PORTB bit 9 |
| Pin 19 | AN10/RTCC/CVREF/RB10 — Analog input 10 / RTCC / comparator voltage reference / PORTB bit 10 |
| Pin 20 | AN11/RB11 — Analog input 11 / PORTB bit 11 |
| Pin 21 | AN12/RB12 — Analog input 12 / PORTB bit 12 |
| Pin 22 | AN13/RB13 — Analog input 13 / PORTB bit 13 |
| Pin 23 | AN14/RB14 — Analog input 14 / PORTB bit 14 |
| Pin 24 | AN15/RB15 — Analog input 15 / PORTB bit 15 |
| Pin 25 | AVSS — Analog ground |
| Pin 26 | AVDD — Analog positive supply |
| Pin 27 | SDI1/RP10/CN16/RF2 — SPI data in / remappable peripheral pin / PORTF bit 2 |
| Pin 28 | SDO1/RP11/CN17/RF3 — SPI data out / remappable peripheral pin / PORTF bit 3 |
Aplicaciones típicas
DSPIC33FJ32MC202-E/SO es adecuado para 6 aplicacións: BLDC / PMSM Motor Drives, Switch-Mode Power Supplies (SMPS) and PFC, Digital Lighting Ballasts and LED Drivers, Industrial Sensors and Instrumentation, Automotive Auxiliary and Severe-Environment Control Units, Battery Chargers and Power Tools.
BLDC / PMSM Motor Drives
The DSPIC33FJ32MC202-E/SO is purpose-built for brushless DC and permanent-magnet synchronous motor control: its two PWM generators with independent timebases and complementary outputs with dead-time insertion directly drive three-phase inverter bridges, while the 40 MIPS DSP core executes sensorless or encoder-based FOC algorithms within a single PWM period. Quadrature encoder inputs (QEA/QEB/INDX on RB4-RB3) close the position loop without external counting logic. Placed on a 28-SOIC footprint beside gate drivers such as the MCP14700 or IR2101, the controller handles 10-bit ADC current sampling synchronized to PWM for low-noise phase-current measurement. The extended -40C to +125C rating suits sealed industrial drives without forced-air cooling.
Recomendado
Switch-Mode Power Supplies (SMPS) and PFC
In digital power supplies and power-factor-correction stages, the DSPIC33FJ32MC202-E/SO replaces analog control loops with firmware: the high-speed PWM supports frequency, phase, and duty updates at the PWM boundary, and the 10-bit ADC with simultaneous sampling measures input/output voltage and inductor current per cycle. The 40 MIPS core implements average-current-mode PFC or buck/boost/flyback control laws with software-compensated loops, adapting to wide input ranges without hardware changes. The extended temperature grade supports LED drivers and telecom rectifier environments up to +125C ambient near hot power stages. Companions include the MCP1630 PWM for hybrid analog/digital topologies and MCP9700 temperature sensors for thermal foldback supervision.
Recomendado
Digital Lighting Ballasts and LED Drivers
Electronic ballasts and high-power LED drivers benefit from the controller's flexible PWM generation and cycle-by-cycle current limiting. The independent PWM timebases allow simultaneous control of a resonant half-bridge (lamp power) and a secondary dimming PWM, while the 10-bit ADC monitors lamp current or LED string current for closed-loop regulation. At 40 MIPS, the DSP core implements resonant-mode frequency tracking that maximizes efficiency across load ranges, and the extended +125C operation tolerates the elevated ambient temperatures inside sealed luminaires. Peripheral Pin Select simplifies routing of UART or DALI communication onto any RP pin, reducing PCB layers in compact ballast designs.
Recomendado
Industrial Sensors and Instrumentation
For embedded sensing nodes - pressure, flow, load-cell, and vibration - the dsPIC33FJ32MC202-E/SO provides the DSP multiply-accumulate instructions to run digital filtering (IIR/FIR) and FFT-based condition monitoring directly on the node. The 10-bit ADC with automatic sampling sequences digitizes bridge sensors, while 2048 words of RAM buffer waveforms for processing or communication. Peripheral Pin Select maps UART, SPI, and I2C onto any RP pin, easing multi-drop RS-485 or MODBUS integration through a transceiver such as the MCP2551 or an isolated interface. The extended -40C to +125C range covers outdoor and cabinet-mounted instrumentation without derating, and ICSP programming enables field firmware updates through the existing communication header.
Recomendado
Automotive Auxiliary and Severe-Environment Control Units
The -E extended temperature grade (-40C to +125C) makes the DSPIC33FJ32MC202-E/SO a fit for severe-environment auxiliary electronics such as pump controllers, cooling-fan modules, throttle actuators, and heating control units that sit near engines or power stages. Two independent PWM timebases drive motor H-bridges and fan stages, while the ADC supervises position potentiometers and current shunts. Note that this part is not AEC-Q100 qualified by default, so it suits auxiliary, off-highway, and motorsport-style applications rather than mass-production OEM safety systems unless the specific grade is verified with Microchip. ICSP allows production-line flashing without socketing, and Flash self-programming supports end-of-line configuration calibration.
Recomendado
Battery Chargers and Power Tools
Smart chargers for Li-ion, NiMH, and lead-acid packs use the controller's PWM to shape charge current through a buck stage, with the 10-bit ADC supervising pack voltage, current, and an external NTC for cell temperature limits. The 40 MIPS core runs CC/CV charging profiles, taper detection, and fault state machines with millisecond responsiveness, and the extended temperature rating tolerates the hot interiors of power tools and e-bike battery packs. The UART mapped by Peripheral Pin Select drives LED status or a charger-to-host link, and spare timers sequence relay or MOSFET pre-charge logic. The 28-SOIC footprint keeps the controller section small next to the power stage on single-board charger designs.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33FJ32MC202-E/SO — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33FJ32MC202-I/SO | DSPIC33FJ32MC102-E/SO | DSPIC33FJ12MC202-I/SO |
|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 32 KB | 32 KB | 32 KB | 16 KB |
| Max CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Motor Control PWM (complementary, dead-time) | Yes - 2 generators | Yes - 2 generators | Reduced PWM feature set | Yes - 2 generators |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes |
| Price (qty 1, as of 2026-09-27) | $5.42 | $5.10 (est.) | $5.05 (est.) | $4.60 (est.) |
Diferenciadores clave
- Extended temperature range for severe environments (frente a DSPIC33FJ32MC202-I/SO)
- Full Motor Control PWM with complementary outputs (frente a DSPIC33FJ32MC102-E/SO)
- Double the program memory at the same price class (frente a DSPIC33FJ12MC202-I/SO)
Notas de diseño
Provide independent decoupling for VDD (pin 13), AVDD (pin 26), and each VSS/AVSS pin: place 0.1 uF X7R ceramic capacitors within 3 mm of the pins plus one bulk 4.7-10 uF per rail. Tie AVDD to VDD through a ferrite bead with a local 1 uF to preserve ADC accuracy when the digital core switches at 40 MIPS. Keep the analog ground plane separated from the PWM/MOSFET switching region and joined at a single star point under the controller.
Use Peripheral Pin Select early in layout planning: map UART/SPI/PWM outputs to RP pins that route away from the inverter switching nodes to reduce digital coupling. Reserve ICSP access to pins 1 (MCLR with 10 kohm pull-up to VDD), 17 (PGD), and 18 (PGC) via a 5-pin header on every production PCB for field programming. The 28-SOIC lead pitch of 1.27 mm supports hand assembly, but keep traces from PWM pins to gate drivers short and over a solid ground return.
Do not exceed the maximum FRC-based PLL configuration - verify the 40 MIPS target against the clock-planning section of data sheet 70283K, because over-clocking beyond VDD-dependent limits causes marginal resets. Avoid driving RB4/RB5 (QEA/QEB) from encoder signals that exceed VDD; add series 100 ohm resistors and clamp diodes near motor connectors. Remember the -E grade is rated to +125C ambient only at specified load - derate Flash retention and programming voltage margins above 100C per the data sheet electrical characteristics.
Información de cumplimiento
Current-production dsPIC33FJ devices are supplied lead-free and RoHS compliant per Microchip product data. REACH, halogen-free, and conflict-minerals status not stated in provided data - obtain material declarations from Microchip.
