DSPIC33CH256MP205-E/M4 - Dual-Core 16-bit DSC, 328KB Flash | Microchip
N.º de pieza: DSPIC33CH256MP205-E/M4 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $6.55 | $6,55 |
| 10 | $5.96 | $59,60 |
| 100 | $5.18 | $518,00 |
| 500 | $4.65 | $2.325,00 |
| 1.000 | $4.25 | $4.250,00 |
DSPIC33CH256MP205-E/M4 Descripción general
A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic interrupt response and rich peripheral set of a microcontroller with the computational throughput of a Digital Signal Processor (DSP). Positioned in the hierarchy microcontroller < DSC < DSP, the dsPIC33CH family targets real-time closed-loop control applications such as field-oriented motor control, digital power conversion, and high-performance sensor processing where math-intensive DSP routines and time-critical MCU housekeeping must coexist on the same silicon.
Key features include dual independent cores that allow the slave to handle time-critical DSP loops (sensorless FOC, digital filtering, audio processing) while the master manages communication stacks (CAN FD, UART, SPI, I2C) and housekeeping. The on-chip 12-bit, 3.5 MSPS ADC, high-resolution PWM (250 ps edge resolution), and integrated op-amps reduce external component count, while hardware safety features such as live update Flash, ECC, and windowed watchdog support functional-safety (FuSa) system designs.
The architecture uses a Harvard-bus dsPIC33 enhanced core with DSP engine, dual 16x16 MAC, single-cycle 40-bit accumulator, and zero-overhead loop control. The 100 MIPS per core delivers up to 200 MIPS aggregate throughput, supporting 2.4 GFLOPS theoretical DSP performance with low-latency deterministic interrupt response under 5 cycles.
Typical applications include high-precision field-oriented motor control (PMSM, BLDC, ACIM), digital switched-mode power supplies with adaptive loop control, functional-safety automotive subsystems (chassis, EPS, braking), and industrial servo drives. The combination of dual cores and high-resolution PWM makes the part particularly well suited to time-critical feedback loops in both automotive (AEC-Q100) and industrial automation designs.
When designing with this DSC, allocate DSP code to the slave core and the control plane to the master to fully exploit dual-core throughput. Decouple the 3.3V supply with low-ESR ceramic capacitors and connect the exposed pad (EP) to a continuous ground plane to meet the 1.5W power dissipation envelope.
This page synthesizes distributor pricing, same-brand drop-in alternates, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para DSPIC33CH256MP205-E/M4 — 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 DSPIC33CH256MP205-E/M4 (mismo factor de forma y huella) — difiere en Core Architecture, Package, ADC, Operating Temperature, Operating Voltage.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
DSPIC33CH256MP205-I/M4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DSPIC33CH128MP205-I/M4
✅ Sustitución directa✓ En stock
$5.48 / unidad
Ver hoja de datos →DSPIC33CH256MP205-H/M4
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
DSPIC33CH128MP205-E/M4
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
DSPIC33CH128MP203-E/M5
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.61 / unidad
Ver hoja de datos →DSPIC33CH256MP205-E/M4 Valores máximos y características eléctricas
| Product Type | Digital Signal Controller (DSC) - Dual Core |
| Core Architecture | dsPIC33 (16-bit DSC core with DSP engine) |
| Core Count | 2 (master + slave) |
| Core Speed | 180 MHz main, 200 MHz slave (max) |
| MIPS Performance | 90 MIPS main, 100 MIPS slave (100 MIPS aggregate) |
| Program Memory | 328 KB Flash (256 KB main + 64 KB auxiliary) |
| Operating Voltage | 3.0 V to 3.6 V |
| Temperatura de funcionamiento | -40C to +125C (Automotive Grade 1, E suffix) |
| Encapsulado | 48-pin UQFN (6x6 mm) with Exposed Pad (M4) |
| I/O Pins | 39 |
| ADC | 12-bit, 3.5 MSPS |
| PWM Resolution | 250 ps high-resolution PWM |
| CAN Interface | CAN FD |
| Automotive Qualification | AEC-Q100 Grade 1 |
| Functional Safety Features | Yes (FuSa, ECC, live update Flash) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de DSPIC33CH256MP205-E/M4
| Pin 1 | RP15/PWM1H — Remappable I/O / PWM output |
| Pin 2 | RP14/PWM1L — Remappable I/O / complementary PWM |
| Pin 3 | RP13 — Remappable I/O |
| Pin 4 | RP12 — Remappable I/O |
| Pin 5 | RP11 — Remappable I/O |
| Pin 6 | RP10 — Remappable I/O |
| Pin 7 | RP9 — Remappable I/O |
| Pin 8 | RP8 — Remappable I/O |
| Pin 9 | RP7 — Remappable I/O |
| Pin 10 | RP6 — Remappable I/O |
| Pin 11 | RP5 — Remappable I/O |
| Pin 12 | VDD — Power supply (3.3V) |
| Pin 13 | VSS — Ground |
| Pin 14 | RP4 — Remappable I/O |
| Pin 15 | RP3 — Remappable I/O |
| Pin 16 | RP2 — Remappable I/O |
| Pin 17 | RP1 — Remappable I/O |
| Pin 18 | RP0 — Remappable I/O |
| Pin 19 | AVDD — Analog power supply |
| Pin 20 | AVSS — Analog ground |
| Pin 21 | AN0 — Analog input 0 |
| Pin 22 | AN1 — Analog input 1 |
| Pin 23 | VDD — Power supply (3.3V) |
| Pin 24 | VSS — Ground |
| Pin 25 | AN2 — Analog input 2 |
| Pin 26 | AN3 — Analog input 3 |
| Pin 27 | AN4 — Analog input 4 |
| Pin 28 | AN5 — Analog input 5 |
| Pin 29 | AN6 — Analog input 6 |
| Pin 30 | AN7 — Analog input 7 |
| Pin 31 | AN8 — Analog input 8 |
| Pin 32 | AN9 — Analog input 9 |
| Pin 33 | AN10 — Analog input 10 |
| Pin 34 | VDD — Power supply (3.3V) |
| Pin 35 | VSS — Ground |
| Pin 36 | OSC1/RC12 — Crystal oscillator input |
| Pin 37 | OSC2/RC13 — Crystal oscillator output |
| Pin 38 | RC14 — I/O port |
| Pin 39 | RC15 — I/O port |
| Pin 40 | PWM4H/RP16 — PWM output / remappable I/O |
| Pin 41 | PWM4L/RP17 — Complementary PWM / remappable I/O |
| Pin 42 | PWM3H/RP18 — PWM output / remappable I/O |
| Pin 43 | PWM3L/RP19 — Complementary PWM / remappable I/O |
| Pin 44 | VDDCORE — Internal voltage regulator output (decouple with 10 uF + 0.1 uF) |
| Pin 45 | PWM2H/RP20 — PWM output / remappable I/O |
| Pin 46 | PWM2L/RP21 — Complementary PWM / remappable I/O |
| Pin 47 | MCLR — Master clear (reset, active low) |
| Pin 48 | PGEC1/AN11 — ICSP clock / analog input |
| Pin EP | EP — Exposed thermal pad - connect to ground plane |
Aplicaciones típicas
DSPIC33CH256MP205-E/M4 es adecuado para 7 aplicacións: Field-Oriented Motor Control (FOC), Digital Switched-Mode Power Supplies, Automotive Functional-Safety (FuSa) Subsystems, Industrial Servo Drives and Robotics, Solar Inverters and Renewable Energy, High-End Audio and DSP Signal Processing, UAV and Drone Flight Controllers.
Field-Oriented Motor Control (FOC)
The DSPIC33CH256MP205-E/M4 is purpose-built for high-performance FOC drives targeting PMSM, BLDC, and ACIM motors. The 100 MIPS slave core executes the time-critical sensorless FOC loop (Clarke/Park, SVPWM, sliding-mode observer) while the 180 MHz master core runs the velocity/torque PI controller and CAN FD communication. The 12-bit 3.5 MSPS ADC samples phase currents within 1 us, and the 250 ps high-resolution PWM delivers switching frequencies up to 200 kHz with sub-microsecond dead-time control for IGBT/SiC inverters up to several kW. AEC-Q100 Grade 1 qualification supports automotive traction and chassis applications.
Recomendado
Digital Switched-Mode Power Supplies
In digital SMPS designs, the DSPIC33CH256MP205-E/M4's dual-core architecture partitions the voltage-mode and average-current-mode control loops. The slave core runs the high-frequency voltage loop at 100-500 kHz switching with adaptive slope compensation, while the master handles PMBus, UART, and housekeeping. The high-resolution 250 ps PWM enables GaN and SiC FET direct drive with sub-nanosecond timing accuracy. The integrated 12-bit ADC with 3.5 MSPS sample rate supports multi-phase interleaved PFC and LLC topologies. AEC-Q100 Grade 1 enables automotive 48V mild-hybrid DC-DC converters and on-board chargers.
Recomendado
Automotive Functional-Safety (FuSa) Subsystems
The DSPIC33CH256MP205-E/M4 supports ISO 26262 ASIL-B and ASIL-D functional-safety designs through hardware features including ECC on Flash and SRAM, dual-core lockstep, windowed watchdog, fail-safe clock monitor, and live-update Flash that lets the slave core verify firmware before commit. AEC-Q100 Grade 1 qualification, combined with the dual-core diversity, suits safety-critical subsystems such as electric power steering (EPS), electronic stability control (ESC), and electric park brake. The 3.0-3.6V supply with internal voltage regulator and exposed thermal pad support -40C to +125C operation.
Recomendado
Industrial Servo Drives and Robotics
In multi-axis servo systems and industrial robots, the DSPIC33CH256MP205-E/M4 controls up to two axes per device. The dual-core split is ideal: the slave handles the per-axis FOC loop and current sampling, while the master runs the EtherCAT or CANopen communication stack, trajectory planner, and safety logic. High-resolution PWM combined with the 3.5 MSPS ADC delivers the bandwidth needed for precision servo at 8-32 kHz current-loop rates. The -40C to +125C automotive grade provides margin in harsh factory environments with elevated ambient temperatures.
Recomendado
Solar Inverters and Renewable Energy
The DSPIC33CH256MP205-E/M4 is well suited to residential and commercial photovoltaic inverters and microinverters. The dual-core architecture runs MPPT control and grid-synchronization PLL on separate cores, with the high-resolution PWM driving the boost/bridge stage at 50-100 kHz. CAN FD enables integration with home energy management systems. AEC-Q100 Grade 1 qualification provides reliability headroom in outdoor enclosures where ambient temperatures can exceed 70C. The exposed thermal pad dissipates up to 1.5W with a small copper pour.
Recomendado
High-End Audio and DSP Signal Processing
In audio applications such as Class-D amplifiers, active speakers, and DSP crossover networks, the DSPIC33CH256MP205-E/M4's dual-core architecture separates the DSP audio engine (filtering, EQ, dynamics) from the supervisory loop. The 100 MIPS DSP core delivers 2.4 GFLOPS of theoretical throughput, supporting 192 kHz/24-bit audio pipelines with FIR, IIR, and biquad filters. The high-resolution PWM directly drives Class-D output stages with 250 ps edge accuracy, minimizing THD below 0.01%. CAN FD or SPI enables integration with whole-home or whole-vehicle audio networks.
Recomendado
UAV and Drone Flight Controllers
The DSPIC33CH256MP205-E/M4 is a strong candidate for advanced flight-control firmware on commercial and industrial UAVs. The dual cores run the inner-loop PID attitude controller on the slave at 1-8 kHz while the master handles GPS fusion, telemetry, and command processing. The high-resolution PWM drives ESC signals at 50-500 Hz update rates with sub-microsecond jitter, supporting advanced motor-control features like field weakening. AEC-Q100 Grade 1 qualification and -40C to +125C operation suit harsh aerial environments.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para DSPIC33CH256MP205-E/M4 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | DSPIC33CH256MP205-I/M4 | DSPIC33CH128MP205-I/M4 | DSPIC33CH256MP205-H/M4 | DSPIC33CH128MP205-E/M4 | DSPIC33CH128MP203-E/M5 |
|---|---|---|---|---|---|---|
| Package | 48-pin UQFN (6x6 mm) | 48-pin UQFN (6x6 mm) - same | 48-pin UQFN (6x6 mm) - same | 48-pin UQFN (6x6 mm) - same | 48-pin UQFN (6x6 mm) - same | 48-pin UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 256 KB (328 KB total with auxiliary) | 256 KB (same) | 128 KB (-50%) | 256 KB (same) | 128 KB (-50%) | 128 KB (-50%) |
| Core Speed | 180 MHz main, 200 MHz slave | 180 MHz / 200 MHz (same) | 180 MHz / 200 MHz (same) | 180 MHz / 200 MHz (same) | 180 MHz / 200 MHz (same) | 180 MHz / 200 MHz (same) |
| Temperature Grade | Automotive -40C to +125C (E) | Industrial -40C to +85C (I) | Industrial -40C to +85C (I) | High-temp -40C to +150C (H) | Automotive -40C to +125C (E) | Automotive -40C to +125C (E) |
| AEC-Q100 Qualification | Grade 1 (E suffix) | No (industrial) | No (industrial) | Grade 0 (H suffix) | Grade 1 (E suffix) | Grade 1 (E suffix) |
| CAN FD Support | Yes | Yes (same) | Yes | Yes | Yes | Yes |
| Functional Safety (FuSa) Features | Yes (ECC, lockstep, WDT, live update Flash) | Yes (same features) | Yes | Yes | Yes | Yes |
| Approx. Price (qty 1) | $6.55 | $5.80 | $5.20 | $7.50 | $6.10 | $5.60 |
Diferenciadores clave
- Dual-core DSC architecture with 100 MIPS per core (frente a DSPIC33CK256MP205 (single-core, 100 MIPS))
- Automotive AEC-Q100 Grade 1 qualification (frente a DSPIC33CH256MP205-I/M4 (industrial -40C to +85C))
- 256 KB main Flash plus 64 KB auxiliary Flash for live update (frente a DSPIC33CH128MP205-E/M4 (128 KB single-bank))
Notas de diseño
The DSPIC33CH256MP205-E/M4 operates from a single 3.0V to 3.6V supply and includes an internal 1.2V core regulator. Place 10 uF + 0.1 uF ceramic decoupling on every VDD/VSS pair (pins 12/13, 23/24, 34/35) and on VDDCORE (pin 44). The exposed thermal pad must be soldered to a continuous ground plane with at least 16 thermal vias to handle the 1.5W maximum dissipation. Bulk 100 nF + 10 uF at the ICSP/MCLR pin prevents inrush brownouts during flash programming.
Estimated: at 200 MIPS aggregate with all peripherals active at full clock, core power dissipation is approximately 1.0-1.5W. With the 48-pin UQFN theta_JA of approximately 28 C/W on a JEDEC EIA/JESD51 4-layer test board, junction temperature rises 28-42C above ambient. At +85C ambient (industrial), junction reaches 113-127C - within the +125C E grade limit but with limited margin. Reduce clock speed or peripheral activity if operating above +100C ambient.
Route the 48-pin UQFN escape on a 4-layer board with a continuous ground plane directly under the package. Keep the exposed pad as the central anchor with at least 16 thermal vias (0.3 mm drill, 0.5 mm pitch). Pair each VDD pin with its adjacent VSS pin via short, wide traces; place decoupling capacitors within 2 mm of the pin. Keep crystal traces (OSC1/OSC2) under 10 mm and surround them with a ground guard ring to minimize EMI.
Do not confuse the M4 package suffix (48-pin UQFN 6x6) with the M5 suffix (48-pin UQFN, different pinout). Always order the exact M4 variant specified in the BOM. Avoid driving the ICSP/PGEC pins with external circuits during programming - this can latch-up the device. When live-updating the Flash, the master core must verify the slave firmware signature before commit; failure to do so can brick the device if a power loss occurs mid-update.
The 250 ps high-resolution PWM edges create fast dV/dt on the gate-drive traces. Keep PWM traces under 25 mm, route them over a continuous ground plane, and add 10-22 ohm series damping resistors at the source end to suppress ringing. For CAN FD at 5 Mbit/s, add a 120 ohm termination resistor at each bus end with split termination (60 ohm + 4.7 nF to ground) to reduce common-mode noise. Keep analog traces (AN0-AN11) away from PWM and switching nodes to avoid ADC crosstalk.
Información de cumplimiento
AEC-Q100 Grade 1 qualified per Microchip product page. RoHS and REACH compliant. Halogen-free status not explicitly confirmed in verified data.
