DSPIC33FJ32GP302-E/SO - 16-bit DSC 40MIPS 32KB Flash | Microchip
N.º de pieza: DSPIC33FJ32GP302-E/SO ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.75 | $4,75 |
| 10 | $4.42 | $44,20 |
| 100 | $4.1 | $410,00 |
| 500 | $3.82 | $1.910,00 |
| 1.000 | $3.58 | $3.580,00 |
DSPIC33FJ32GP302-E/SO Descripción general
A digital signal controller combines the peripheral set and ease of use of a microcontroller with the computational throughput of a DSP. In the semiconductor hierarchy, the dsPIC33F family sits within Microchip's 16-bit MCU/DSC portfolio: DSC -> 16-bit microcontroller -> embedded processor -> semiconductor IC. The modified Harvard architecture fetches instructions and data simultaneously, which is what enables single-cycle MAC (multiply-accumulate) and DSP-enhanced instructions on general-purpose control code.
Key features include the 16-bit dsPIC33F CPU with DSP engine, 40 MIPs maximum performance at 3.3 V, 32 KB Flash and DMA capability, up to 35 programmable digital I/O pins with Peripheral Pin Select (PPS) for flexible peripheral mapping, 5V-tolerant digital inputs, and 4 mA sink capability on all I/O pins. Wake-up/Interrupt-on-Change is supported on up to 21 pins, and output pins can drive 3.0 V to 3.6 V or up to 5 V in open-drain configuration.
Technically, the CPU module is a 16-bit modified Harvard architecture with an enhanced instruction set that includes significant DSP support, according to the Microchip dsPIC33FJ32GP302/304 family documentation. This makes it equally effective for closed-loop control loops and for filtering/transform math such as FIR filters and FFTs. The -E/ extended temperature suffix qualifies the device for -40C to +125C ambient operation, and the family carries AEC-Q100 qualification for automotive use.
Typical applications include automotive body and powertrain auxiliary modules, motor control (BLDC/PMSM with ADC + PWM coordination), digital power supplies, and industrial sensing front-ends where DSP math and deterministic control coexist. The GP (general purpose) peripheral variant suits applications that do not require the advanced motor-control PWM of the MC variants.
When designing with this device, remember that the 3.0 V to 3.6 V supply is mandatory, all VDD/VSS pairs must be connected, and ICSP programming requires using a matched PGECx/PGEDx pin pair (ICSPCLK with the corresponding ICSPDAT of the same channel).
This page synthesizes distributor pricing, drop-in same-family alternatives, FAQ coverage, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para DSPIC33FJ32GP302-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 DSPIC33FJ32GP302-E/SO (mismo factor de forma y huella) — difiere en Core Architecture, Operating Temperature, Package.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33FJ32GP302-I/SO
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DSPIC33FJ32GP202T-I/SO
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Consulte el precio
Ver hoja de datos →DSPIC33FJ64GP302-I/SO
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DSPIC33FJ128GP202-I/SO
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DSPIC33FJ32GP202-I/SO
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DSPIC33FJ32GP302-E/SO Valores máximos y características eléctricas
| Core Architecture | 16-bit modified Harvard with DSP engine |
| Core Size | 16-bit |
| Max Performance | 40 MIPs |
| Clock Frequency | 40 MHz |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Digital I/O Pins | Up to 35 |
| Interrupt-on-Change Pins | Up to 21 |
| DMA | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Digital Input Tolerance | 5V tolerant inputs |
| I/O Sink Current | 4 mA on all I/O pins |
| Temperatura de funcionamiento | -40C to +125C |
| Qualification | Automotive, AEC-Q100 |
| Encapsulado | 28-SOIC (0.295 in, 7.50 mm width) |
| Tipo de montaje | Surface Mount |
| Series | dsPIC 33F |
| ICSP Debug/Programming | Multiple PGECx/PGEDx pairs supported |
Guía de configuración de pines de DSPIC33FJ32GP302-E/SO 28-soic (0.295 in, 7.50 mm width)
Configuración de pines para DSPIC33FJ32GP302-E/SO (encapsulado 28-soic (0.295 in, 7.50 mm width)). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para DSPIC33FJ32GP302-E/SO.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
DSPIC33FJ32GP302-E/SO es adecuado para 6 aplicacións: Automotive Auxiliary Control Modules, Digital Power Supplies, Motor Control (BLDC/PMSM), Industrial Sensor Acquisition and DSP Filtering, Embedded Control with Mixed 3.3V/5V Systems, Prototype and Development Platforms.
Automotive Auxiliary Control Modules
The DSPIC33FJ32GP302-E/SO fits automotive auxiliary modules because it is AEC-Q100 qualified and carries the -E/ extended temperature grade of -40C to +125C, covering underhood and near-engine ambient conditions that defeat industrial-grade parts. Its 40 MIPs 16-bit core handles deterministic control loops, while up to 35 I/O pins with Interrupt-on-Change on 21 pins manage switches, sensors, and actuators. Used as a body-electronics or actuator controller, it executes control and diagnostic code in Flash with DMA-assisted ADC sampling. The 3.0 V to 3.6 V supply with 5V-tolerant inputs simplifies interfacing to 5 V automotive sensor outputs without level shifters.
Recomendado
Digital Power Supplies
In digital power supplies, the DSPIC33FJ32GP302-E/SO provides the 40 MIPs DSP throughput needed to run compensator and filter math inside switching-period deadlines, typically at 100 to 500 kHz control rates. DMA moves ADC results to RAM without CPU intervention, keeping loop jitter low, while Peripheral Pin Select routes PWM outputs to any eligible pin for flexible gate-driver placement. Placed as the main controller between the output-sense divider and the gate driver, its fixed-point MAC instructions execute PI and notch compensators deterministically. The extended -40C to +125C rating suits industrial PSUs in sealed enclosures where ambient inside the chassis exceeds 85C.
Recomendado
Motor Control (BLDC/PMSM)
For moderate-complexity BLDC and PMSM drives, the DSPIC33FJ32GP302-E/SO combines a 40 MIPs DSP engine for field-oriented control arithmetic with DMA-fed ADC sampling of phase currents. Peripheral Pin Select maps PWM and communication peripherals to optimal pins, and Interrupt-on-Change on up to 21 pins captures hall-sensor or encoder events with low latency. In a typical topology the DSC reads current-shunt signals through its ADC, executes Clarke/Park transforms using single-cycle MAC instructions, and updates PWM duty cycles each control period. Note that for designs needing complementary PWM with hardware dead-time, the MC variant DSPIC33FJ32MC302 in the same package is the better fit.
Recomendado
Industrial Sensor Acquisition and DSP Filtering
The DSPIC33FJ32GP302-E/SO is well matched to industrial sensor front-ends that need both data processing and control outputs. Its DSP-enhanced 16-bit core runs FIR and IIR filters or FFT-based analysis on sampled sensor data, while DMA streams ADC conversions without CPU overhead. Peripheral Pin Select lets designers place UART, SPI, or I2C interfaces on convenient PCB routing paths, and 5V-tolerant inputs connect directly to legacy 4-20 mA receiver and 5 V logic circuits. With an extended -40C to +125C range, the device survives unconditioned factory-floor enclosures, and 4 mA I/O sink capability plus open-drain 5 V drive options simplify interfacing to PLC I/O racks.
Recomendado
Embedded Control with Mixed 3.3V/5V Systems
The DSPIC33FJ32GP302-E/SO excels in mixed-voltage embedded systems because it operates from a 3.0 V to 3.6 V core supply yet provides 5V-tolerant digital inputs on all pins and up to 5 V drive in open-drain configuration. This eliminates external level translators when bridging modern 3.3 V logic with legacy 5 V peripherals, sensors, or displays. Up to 35 programmable I/O pins with Interrupt-on-Change on 21 pins handle button matrices, encoders, and handshake lines, while Peripheral Pin Select frees the PCB layout from fixed peripheral pin assignments. The 40 MIPs core leaves ample headroom for application logic, communication protocol stacks, and background diagnostics in a single 28-SOIC device.
Recomendado
Prototype and Development Platforms
For development, the DSPIC33FJ32GP302-E/SO is supported by Microchip's Explorer 16/32 Development Board, a low-cost modular system that supports PIC24F, dsPIC, and PIC32 devices through swappable Plug-In Modules (PIMs), with a PICtail Plus connector for add-on functionality. In-circuit programming uses a matched PGECx/PGEDx pair - for example ICSPCLK on PGEC2 must pair with ICSPDAT on PGED2 - and all VDD/VSS pins must be connected during programming, as documented in Microchip programming-tool support notes. The 32 KB Flash accommodates application plus bootloader, and multiple ICSP channel pairs allow sharing one programmer header across several debug functions on dense prototype boards.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33FJ32GP302-E/SO — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33FJ32GP302-I/SO | DSPIC33FJ32GP202T-I/SO | DSPIC33FJ64GP302-I/SO | DSPIC33FJ128GP202-I/SO | DSPIC33FJ32GP202-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Performance | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs |
| Program Memory | 32 KB Flash | 32 KB Flash | 32 KB Flash | 64 KB Flash | 128 KB Flash | 32 KB Flash |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| DMA | Yes | Yes | Yes | Yes | Yes | Yes |
| Peripheral Pin Select | Yes | Yes | Yes | Yes | Yes | Yes |
| Peripheral Set | GP30x full set | GP30x full set | GP20x reduced set | GP30x full set | GP20x reduced set | GP20x reduced set |
Diferenciadores clave
- Extended -40C to +125C temperature grade in the family (frente a DSPIC33FJ32GP302-I/SO)
- Fuller GP30x peripheral set versus GP20x variants (frente a DSPIC33FJ32GP202T-I/SO)
- In-place Flash upgrade path on the same PCB (frente a DSPIC33FJ64GP302-I/SO)
Notas de diseño
The DSPIC33FJ32GP302-E/SO requires a regulated 3.0 V to 3.6 V supply; do not feed it from a 5 V rail. Decouple every VDD pin with a 0.1 uF ceramic capacitor placed within a few millimeters of the pin, plus one bulk 4.7 uF to 10 uF capacitor per board. Because all VSS and VDD pins must be connected for both operation and ICSP programming, verify continuity on every power pin during prototyping - a single floating VDD pair causes erratic brown-out resets that mimic firmware bugs.
Reserve an ICSP header wired to one matched PGECx/PGEDx pair (for example PGEC2 to ICSPCLK and PGED2 to ICSPDAT). You may choose any available pair, but the clock and data must come from the same channel - mixing PGEC2 with PGED1 will fail programming. Keep series resistors (100 ohm to 470 ohm) between the header and programming pins so in-circuit peripherals do not load the programmer. With Peripheral Pin Select, assign conflicting remappable peripherals in firmware before enabling them to avoid bus contention on shared pins.
Estimated: in a sealed enclosure rated to +105C ambient near the +125C maximum, allow margin by limiting continuous I/O sink currents well below the 4 mA per-pin figure and verify junction temperature with a thermal camera during worst-case DSP workloads. The 28-SOIC package dissipates little power at 40 MIPs (typically tens of milliwatts range), so thermal design is usually dominated by ambient conditions rather than the DSC itself - but the -E/ grade exists precisely because some automotive installations reach +125C ambient.
All digital inputs are 5V tolerant, but output pins drive only 3.0 V to 3.6 V. When driving 5 V CMOS inputs whose VIH threshold is close to 3.6 V, enable open-drain output configuration with an external pull-up to 5 V rather than relying on push-pull levels. Keep ADC sense traces away from PWM switching nodes and use the DMA path for ADC results to avoid CPU-timing-induced sampling jitter in control loops.
Información de cumplimiento
Hotenda product data identifies the DSPIC33FJ32GP302-E/SO as Automotive, AEC-Q100 qualified. RoHS/REACH/lead-free status not stated in provided data; verify on the Microchip product page.
