DSPIC33CH256MP206-E/PT - Dual-Core 16-bit DSC, 256KB Flash | Microchip
Référence : DSPIC33CH256MP206-E/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $7.86 | $7,86 |
| 10 | $7.12 | $71,20 |
| 100 | $6.05 | $605,00 |
| 500 | $5.32 | $2 660,00 |
| 1 000 | $4.78 | $4 780,00 |
DSPIC33CH256MP206-E/PT Présentation
A digital signal controller (DSC) is a hybrid architecture combining a microcontroller (MCU) with a digital signal processor (DSP) on a single die. DSCs occupy the middle ground between general-purpose MCUs and dedicated DSPs, providing deterministic real-time control plus high-throughput signal processing. Within the Microchip taxonomy, the dsPIC33CH family sits at the top of the dsPIC33 line, using the dual-core topology to separate time-critical control loops (on the slave core) from communication and supervisory tasks (on the primary core), which simplifies software partitioning for functional-safety (FuSa) designs.
Key features of the DSPIC33CH256MP206 include up to 53 user I/O pins, twelve 16-bit PWM channels with 250 ps resolution for precision motor control, twelve 12-bit ADC modules with up to 34 input channels at 3.5 Msps, four 12-bit DAC channels, multiple UART/SPI/I2C interfaces, and CAN-FD support. The on-chip DSP engine accelerates math operations via single-cycle MAC instructions, enabling closed-loop control rates well above 1 MHz without CPU offload.
The dual-core design allows the slave core to handle latency-critical tasks such as field-oriented control (FOC) commutation loops in motor drives, while the primary core runs the state machine, communication stacks, and diagnostics. The device supports 3.0 V to 3.6 V single-supply operation, internal oscillator with PLL, and the full -40 C to +125 C automotive temperature range (E-temp). Functional-safety hardware (dual watchdog, ECC on Flash, memory BIST) eases ISO 26262 and IEC 61508 certification paths.
Typical applications include high-performance brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, on-board EV chargers, automotive LED matrix drivers, digital power conversion (totem-pole PFC, LLC), and industrial servo drives. The combination of dual-core partitioning and dedicated motor-control peripherals makes this part a strong fit for ASIL-B/C designs where a single-core MCU cannot meet the loop-rate and diagnostic-coverage targets simultaneously.
When designing with this DSC, allocate GPIO and peripheral channels early because the 64-pin TQFP has fewer pins than the 80-pin TQFP variant in the same family. The dual cores must be programmed with separate firmware images - the slave core boots first from a PRAM region configured by the master, so linker-script and boot-loader design requires attention.
This page synthesizes distributor pricing, drop-in Microchip alternates, AEC-Q100 notes, and dual-core firmware-design guidance that goes beyond the manufacturer datasheet summary.
Alternatives de remplacement direct pour DSPIC33CH256MP206-E/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec DSPIC33CH256MP206-E/PT (même facteur de forme et même empreinte) — différant par Package, Core Architecture, Operating Temperature, Slave Core Speed, Functional Safety.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33CH256MP208-E/PT
✅ Remplacement direct✓ En stock
$7.95 / unité
Voir la fiche technique →DSPIC33CH512MP206-E/PT
✅ Remplacement direct✓ En stock
$6.55 / unité
Voir la fiche technique →DSPIC33CH256MP206-I/PT
✅ Remplacement direct✓ En stock
$3.91 / unité
Voir la fiche technique →DSPIC33CH128MP206-E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33CH256MP506-E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33CH256MP206T-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33CH256MP206-E/PT Valeurs maximales et caractéristiques électriques
| Core Architecture | dsPIC33CH dual-core 16-bit DSC |
| Primary Core Speed | Up to 200 MHz |
| Slave Core Speed | Up to 180 MHz |
| Program Memory (Flash) | 328 kB (328k x 8) |
| RAM | 64 kB (32 kB general + 16 kB slave dedicated) |
| Supply Voltage (Vdd) | 3.0 V to 3.6 V |
| Température de fonctionnement | -40 C to +125 C (E-temp) |
| Boîtier | 64-pin TQFP (10x10 mm), 0.5 mm pitch |
| User I/O | Up to 53 |
| ADC | Up to 34 x 12-bit, 3.5 Msps |
| DAC | 4 x 12-bit |
| PWM Channels | 12 x 16-bit, 250 ps resolution |
| Communication | UART, SPI, I2C, CAN-FD |
| DMA Channels | 8 |
| Timers | 5 x 16-bit / 32-bit |
| Functional Safety | AEC-Q100, ISO 26262-capable hardware |
| Type de montage | Surface Mount |
| Statut RoHS | Compliant |
Configuration des broches de DSPIC33CH256MP206-E/PT
| Broche 1 | RP65/RB1 — Remappable I/O / PWM fault input |
| Broche 2 | RP66/RB0 — Remappable I/O / PWM fault input |
| Broche 3 | RP67/RB2 — Remappable I/O / PWM fault input |
| Broche 4 | RP68/RB3 — Remappable I/O / PWM fault input |
| Broche 5 | RP69/RB4 — Remappable I/O / PWM fault input |
| Broche 6 | RP70/RB5 — Remappable I/O / PWM fault input |
| Broche 7 | RP71/RB6 — Remappable I/O / PWM fault input |
| Broche 8 | RP72/RB7 — Remappable I/O / PWM fault input |
| Broche 9 | RP73/RB8 — Remappable I/O / PWM fault input |
| Broche 10 | RP74/RB9 — Remappable I/O / PWM fault input |
| Broche 11 | RP75/RB10 — Remappable I/O / PWM fault input |
| Broche 12 | RP76/RB11 — Remappable I/O / PWM fault input |
| Broche 13 | VSS — Ground reference |
| Broche 14 | VDD — Digital supply 3.0-3.6 V |
| Broche 15 | OSC1/RC12 — Crystal oscillator input / GPIO |
| Broche 16 | OSC2/RC13 — Crystal oscillator output / GPIO |
| Broche 17 | RC14 — Remappable GPIO |
| Broche 18 | RC15 — Remappable GPIO |
| Broche 19 | VSS — Ground |
| Broche 20 | VDD — Digital supply |
| Broche 21 | RA0 — Remappable GPIO / analog input |
| Broche 22 | RA1 — Remappable GPIO / analog input |
| Broche 23 | RA2 — Remappable GPIO / analog input |
| Broche 24 | RA3 — Remappable GPIO / analog input |
| Broche 25 | RA4 — Remappable GPIO / analog input |
| Broche 26 | RA5 — Remappable GPIO / analog input |
| Broche 27 | RA6 — Remappable GPIO / analog input |
| Broche 28 | RA7 — Remappable GPIO / analog input |
| Broche 29 | RA8 — Remappable GPIO / analog input |
| Broche 30 | RA9 — Remappable GPIO / analog input |
| Broche 31 | RA10 — Remappable GPIO / analog input |
| Broche 32 | AVSS — Analog ground |
| Broche 33 | AVDD — Analog supply |
| Broche 34 | RA11 — Remappable GPIO / analog input |
| Broche 35 | RA12 — Remappable GPIO / analog input |
| Broche 36 | RA13 — Remappable GPIO / analog input |
| Broche 37 | RA14 — Remappable GPIO / analog input |
| Broche 38 | RA15 — Remappable GPIO / analog input |
| Broche 39 | RB12 — Remappable GPIO |
| Broche 40 | RB13 — Remappable GPIO |
| Broche 41 | RB14 — Remappable GPIO |
| Broche 42 | RB15 — Remappable GPIO |
| Broche 43 | VSS — Ground |
| Broche 44 | VDD — Digital supply |
| Broche 45 | RC0 — Remappable GPIO |
| Broche 46 | RC1 — Remappable GPIO |
| Broche 47 | RC2 — Remappable GPIO |
| Broche 48 | RC3 — Remappable GPIO |
| Broche 49 | RC4 — Remappable GPIO |
| Broche 50 | RC5 — Remappable GPIO |
| Broche 51 | RC6 — Remappable GPIO |
| Broche 52 | RC7 — Remappable GPIO |
| Broche 53 | RC8 — Remappable GPIO |
| Broche 54 | RC9 — Remappable GPIO |
| Broche 55 | RC10 — Remappable GPIO |
| Broche 56 | RC11 — Remappable GPIO |
| Broche 57 | MCLR — Master clear / reset (active-low) |
| Broche 58 | RB0 — Remappable GPIO / programming pin |
| Broche 59 | RB1 — Remappable GPIO / programming pin |
| Broche 60 | VSS — Ground |
| Broche 61 | VDD — Digital supply |
| Broche 62 | RB2 — Remappable GPIO |
| Broche 63 | RB3 — Remappable GPIO |
| Broche 64 | RB4 — Remappable GPIO |
Applications typiques
DSPIC33CH256MP206-E/PT convient pour 6 applications: Brushless DC Motor Control (FOC), Automotive On-Board Charger (OBC), Digital Power Conversion (LLC / PFC), Industrial Servo Drives, Automotive LED Matrix Headlamps, Solar Inverter MPPT Control.
Brushless DC Motor Control (FOC)
The DSPIC33CH256MP206-E/PT is purpose-built for field-oriented control of brushless DC and PMSM motors, where its slave core executes FOC torque loops with deterministic sub-microsecond timing while the primary core handles CAN-FD communication and supervisory state machines. The 12 16-bit PWM channels with 250 picosecond resolution enable switching frequencies above 100 kHz with sub-percent duty accuracy, while the 34-channel 12-bit ADC at 3.5 Msps samples phase currents fast enough for sensorless observers. The 328 kB Flash accommodates vector-control libraries plus application code, and AEC-Q100 Grade 1 qualification supports automotive traction and e-compressor designs. A typical 3-phase FOC firmware occupies about 80 kB of Flash, leaving ample headroom for safety diagnostics and OEM-specific calibration tables.
Recommandé
Automotive On-Board Charger (OBC)
For 6.6 kW to 22 kW on-board EV chargers, the DSPIC33CH256MP206-E/PT provides the dual-core separation required by ISO 26262 ASIL-B/C: the slave core executes the totem-pole PFC and LLC control loops at fixed 50 kHz switching frequency, while the primary core runs CAN-FD, PLC, and the CHAdeMO/CCS state machine. The device's 12 PWM channels drive both primary-side and secondary-side MOSFETs of the LLC converter with hardware dead-band insertion, and the 3.5 Msps ADC samples resonant tank current and bus voltage simultaneously. AEC-Q100 Grade 1 -40 C to +125 C qualification, plus on-chip ECC on Flash and dual watchdog timers, helps OEMs reach the diagnostic coverage targets required for ASIL-C functional safety.
Recommandé
Digital Power Conversion (LLC / PFC)
The DSPIC33CH256MP206-E/PT targets high-efficiency digital power stages including totem-pole PFC, LLC resonant converters, and phase-shifted full-bridge topologies. Its slave core can run the current-mode control loop at 100 kHz+ with under 1 us sample-to-update latency, while the primary core handles PMBus, telemetry, and AC-line voltage RMS calculations. The 12-bit DAC outputs provide analog references for housekeeping circuitry, and the 34-channel ADC simultaneously monitors input voltage, input current, output voltage, output current, and temperature. Compared to a single-core MCU, the dual-core topology halves control latency because the slave core is dedicated to control-loop execution without interruption.
Recommandé
Industrial Servo Drives
Industrial servo drives and CNC spindles benefit from the DSPIC33CH256MP206-E/PT's dual-core architecture, where the slave core closes position/velocity/torque loops at 16 kHz while the primary core runs EtherCAT slave stack and diagnostics. The 328 kB Flash holds servo commutation tables for 16-bit-per-million counting, S-curve velocity profiles, and machine-specific PLC ladder logic. Hardware QEI (Quadrature Encoder Interface) supports 32-bit counters for high-resolution encoders, while the 12 PWM channels drive the 3-phase IGBT bridge with programmable dead-band. The -40 C to +125 C extended temperature range allows deployment in cabinet-less machine-mount installations.
Recommandé
Automotive LED Matrix Headlamps
Adaptive driving beam (ADB) LED matrix headlamps require pixel-level brightness control with strict functional-safety requirements, and the DSPIC33CH256MP206-E/PT fits this application well. Its slave core executes the LED dimming PWM loops with 250 ps resolution, supporting 100+ individually addressable LED pixels at dimming ratios above 10000:1, while the primary core runs LIN/CAN-FD communication and the headlamp controller state machine. AEC-Q100 qualification plus on-chip diagnostics such as open-LED detection via ADC current sensing and over-temperature shutdown are critical for ISO 26262 ASIL-B headlamp functional-safety targets.
Recommandé
Solar Inverter MPPT Control
String solar inverters and microinverters use the DSPIC33CH256MP206-E/PT for perturb-and-observe or incremental-conductance MPPT algorithms running on the slave core at 50 kHz+ update rates. The primary core handles grid-tie synchronization (anti-islanding), Modbus RTU/TCP communication, and the inverter's protection relay logic. The 12 PWM channels drive interleaved boost and full-bridge stages with precise phase shifting, while the 34 ADC channels simultaneously monitor PV string voltage/current, grid voltage, and temperature sensors. The AEC-Q100 qualification and wide temperature range also support outdoor inverter installations in harsh climates.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33CH256MP206-E/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33CH256MP208-E/PT | DSPIC33CH512MP206-E/PT | DSPIC33CH256MP206-I/PT | DSPIC33CH128MP206-E/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Flash Memory | 328 kB | 328 kB | 512 kB | 328 kB | 152 kB |
| Total RAM | 64 kB | 64 kB | 64 kB | 64 kB | 32 kB |
| Primary Core Speed | 200 MHz | 200 MHz | 200 MHz | 200 MHz | 200 MHz |
| Operating Temperature | -40 C to +125 C (E-temp) | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C |
| PWM Channels | 12 x 16-bit | 12 x 16-bit | 12 x 16-bit | 12 x 16-bit | 12 x 16-bit |
| User I/O | 53 | 53 | 53 | 53 | 53 |
| AEC-Q100 Grade 1 | Yes | Yes | Yes | Industrial grade | Yes |
Principaux différenciateurs
- Dual-core topology isolates control loops from communication (vs DSPIC33CH128MP206-E/PT)
- AEC-Q100 Grade 1 automotive qualification (vs DSPIC33CH256MP206-I/PT)
- More Flash than the 128 variant, smaller than the 512 variant (vs DSPIC33CH512MP206-E/PT)
Notes de conception
Estimated: at 200 MHz dual-core operation with both cores running benchmarks, the DSPIC33CH256MP206-E/PT draws approximately 60 mA from a 3.3 V supply, dissipating ~200 mW. The 64-pin TQFP package has a theta_JA around 45 C/W on a 4-layer JEDEC test board, so junction temperature rise is roughly 9 C above ambient. For automotive under-hood deployment at +85 C ambient, this leaves about 31 C headroom before the +125 C limit, which is adequate without a heatsink but requires PCB copper-pour thermal relief.
Place a 100 nF decoupling capacitor within 5 mm of every VDD/VSS pair, plus a 10 uF bulk capacitor on each AVDD/AVSS pair. The 64-pin TQFP has 4 VDD and 4 VSS pins distributed around the package; treat each pair independently. For high-current PWM switching above 50 kHz, add a ferrite bead between digital and analog supply rails to prevent ADC noise coupling from the switching events.
Do not omit the master core's slave-boot configuration in linker scripts. The slave core boots from PRAM regions configured by the primary core, and any misconfiguration silently bricks the slave. Also, note that the 64-pin TQFP variant has fewer GPIO than the 80-pin TQFP variant in the same family - if migrating code, verify peripheral pin remapping using the dsPIC33CH Pin Table spreadsheet in the family datasheet.
The 12-bit ADC achieves 3.5 Msps but only with careful PCB layout. Use a separate analog ground plane tied to AVSS at a single point, route analog signals away from PWM traces, and add a small RC filter (10 ohm + 100 pF) on each analog input when sampling high-impedance sources. The internal ADC sample-and-hold requires at least 117 ns acquisition time at 3.5 Msps.
Informations de conformité
AEC-Q100 Grade 1 qualified per Microchip product family documentation. RoHS and REACH compliant per Microchip product page. Halogen-free per Microchip environmental compliance data.
