DSPIC33CH256MP206-E/PT - Dual-Core 16-bit DSC, 256KB Flash | Microchip
MPN: DSPIC33CH256MP206-E/PT ✓ فعالDSPIC33CH256MP206-E/PT جائزہ
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.
کے لیے ڈراپ اِن متبادل DSPIC33CH256MP206-E/PT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں DSPIC33CH256MP206-E/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Core Architecture, Operating Temperature, Slave Core Speed, Functional Safety.
DSPIC33CH256MP208-E/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33CH512MP206-E/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33CH256MP206-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →DSPIC33CH128MP206-E/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33CH256MP506-E/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33CH256MP206T-I/PT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
DSPIC33CH256MP206-E/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| 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 |
| آپریٹنگ درجہ حرارت | -40 C to +125 C (E-temp) |
| پیکیج | 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 |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
DSPIC33CH256MP206-E/PT پن کنفیگریشن
| پن 1 | RP65/RB1 — Remappable I/O / PWM fault input |
| پن 2 | RP66/RB0 — Remappable I/O / PWM fault input |
| پن 3 | RP67/RB2 — Remappable I/O / PWM fault input |
| پن 4 | RP68/RB3 — Remappable I/O / PWM fault input |
| پن 5 | RP69/RB4 — Remappable I/O / PWM fault input |
| پن 6 | RP70/RB5 — Remappable I/O / PWM fault input |
| پن 7 | RP71/RB6 — Remappable I/O / PWM fault input |
| پن 8 | RP72/RB7 — Remappable I/O / PWM fault input |
| پن 9 | RP73/RB8 — Remappable I/O / PWM fault input |
| پن 10 | RP74/RB9 — Remappable I/O / PWM fault input |
| پن 11 | RP75/RB10 — Remappable I/O / PWM fault input |
| پن 12 | RP76/RB11 — Remappable I/O / PWM fault input |
| پن 13 | VSS — Ground reference |
| پن 14 | VDD — Digital supply 3.0-3.6 V |
| پن 15 | OSC1/RC12 — Crystal oscillator input / GPIO |
| پن 16 | OSC2/RC13 — Crystal oscillator output / GPIO |
| پن 17 | RC14 — Remappable GPIO |
| پن 18 | RC15 — Remappable GPIO |
| پن 19 | VSS — Ground |
| پن 20 | VDD — Digital supply |
| پن 21 | RA0 — Remappable GPIO / analog input |
| پن 22 | RA1 — Remappable GPIO / analog input |
| پن 23 | RA2 — Remappable GPIO / analog input |
| پن 24 | RA3 — Remappable GPIO / analog input |
| پن 25 | RA4 — Remappable GPIO / analog input |
| پن 26 | RA5 — Remappable GPIO / analog input |
| پن 27 | RA6 — Remappable GPIO / analog input |
| پن 28 | RA7 — Remappable GPIO / analog input |
| پن 29 | RA8 — Remappable GPIO / analog input |
| پن 30 | RA9 — Remappable GPIO / analog input |
| پن 31 | RA10 — Remappable GPIO / analog input |
| پن 32 | AVSS — Analog ground |
| پن 33 | AVDD — Analog supply |
| پن 34 | RA11 — Remappable GPIO / analog input |
| پن 35 | RA12 — Remappable GPIO / analog input |
| پن 36 | RA13 — Remappable GPIO / analog input |
| پن 37 | RA14 — Remappable GPIO / analog input |
| پن 38 | RA15 — Remappable GPIO / analog input |
| پن 39 | RB12 — Remappable GPIO |
| پن 40 | RB13 — Remappable GPIO |
| پن 41 | RB14 — Remappable GPIO |
| پن 42 | RB15 — Remappable GPIO |
| پن 43 | VSS — Ground |
| پن 44 | VDD — Digital supply |
| پن 45 | RC0 — Remappable GPIO |
| پن 46 | RC1 — Remappable GPIO |
| پن 47 | RC2 — Remappable GPIO |
| پن 48 | RC3 — Remappable GPIO |
| پن 49 | RC4 — Remappable GPIO |
| پن 50 | RC5 — Remappable GPIO |
| پن 51 | RC6 — Remappable GPIO |
| پن 52 | RC7 — Remappable GPIO |
| پن 53 | RC8 — Remappable GPIO |
| پن 54 | RC9 — Remappable GPIO |
| پن 55 | RC10 — Remappable GPIO |
| پن 56 | RC11 — Remappable GPIO |
| پن 57 | MCLR — Master clear / reset (active-low) |
| پن 58 | RB0 — Remappable GPIO / programming pin |
| پن 59 | RB1 — Remappable GPIO / programming pin |
| پن 60 | VSS — Ground |
| پن 61 | VDD — Digital supply |
| پن 62 | RB2 — Remappable GPIO |
| پن 63 | RB3 — Remappable GPIO |
| پن 64 | RB4 — Remappable GPIO |
عام استعمالات
DSPIC33CH256MP206-E/PT کے لیے موزوں ہے 6 ایپلیکیشنs: 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.
تجویز کردہ
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.
تجویز کردہ
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.
تجویز کردہ
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.
تجویز کردہ
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.
تجویز کردہ
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.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا DSPIC33CH256MP206-E/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | 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 |
اہم امتیازی خصوصیات
- Dual-core topology isolates control loops from communication (بمقابلہDSPIC33CH128MP206-E/PT)
- AEC-Q100 Grade 1 automotive qualification (بمقابلہDSPIC33CH256MP206-I/PT)
- More Flash than the 128 variant, smaller than the 512 variant (بمقابلہDSPIC33CH512MP206-E/PT)
ڈیزائن نوٹس
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.
تعمیل کی معلومات
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.
