DSPIC33CH256MP206-E/PT - Dual-Core 16-bit DSC, 256KB Flash | Microchip
MPN: DSPIC33CH256MP206-E/PT ✓ Hoạt độngDSPIC33CH256MP206-E/PT Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33CH256MP206-E/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33CH256MP206-E/PT (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Operating Temperature, Slave Core Speed, Functional Safety.
DSPIC33CH256MP208-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH512MP206-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH256MP206-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH128MP206-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH256MP506-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH256MP206T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH256MP206-E/PT Tỷ lệ tối đa & tính chất điện
| 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 |
| Nhiệt độ hoạt động | -40 C to +125 C (E-temp) |
| Hộp | 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 |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC33CH256MP206-E/PT
| Chân 1 | RP65/RB1 — Remappable I/O / PWM fault input |
| Chân 2 | RP66/RB0 — Remappable I/O / PWM fault input |
| Chân 3 | RP67/RB2 — Remappable I/O / PWM fault input |
| Chân 4 | RP68/RB3 — Remappable I/O / PWM fault input |
| Chân 5 | RP69/RB4 — Remappable I/O / PWM fault input |
| Chân 6 | RP70/RB5 — Remappable I/O / PWM fault input |
| Chân 7 | RP71/RB6 — Remappable I/O / PWM fault input |
| Chân 8 | RP72/RB7 — Remappable I/O / PWM fault input |
| Chân 9 | RP73/RB8 — Remappable I/O / PWM fault input |
| Chân 10 | RP74/RB9 — Remappable I/O / PWM fault input |
| Chân 11 | RP75/RB10 — Remappable I/O / PWM fault input |
| Chân 12 | RP76/RB11 — Remappable I/O / PWM fault input |
| Chân 13 | VSS — Ground reference |
| Chân 14 | VDD — Digital supply 3.0-3.6 V |
| Chân 15 | OSC1/RC12 — Crystal oscillator input / GPIO |
| Chân 16 | OSC2/RC13 — Crystal oscillator output / GPIO |
| Chân 17 | RC14 — Remappable GPIO |
| Chân 18 | RC15 — Remappable GPIO |
| Chân 19 | VSS — Ground |
| Chân 20 | VDD — Digital supply |
| Chân 21 | RA0 — Remappable GPIO / analog input |
| Chân 22 | RA1 — Remappable GPIO / analog input |
| Chân 23 | RA2 — Remappable GPIO / analog input |
| Chân 24 | RA3 — Remappable GPIO / analog input |
| Chân 25 | RA4 — Remappable GPIO / analog input |
| Chân 26 | RA5 — Remappable GPIO / analog input |
| Chân 27 | RA6 — Remappable GPIO / analog input |
| Chân 28 | RA7 — Remappable GPIO / analog input |
| Chân 29 | RA8 — Remappable GPIO / analog input |
| Chân 30 | RA9 — Remappable GPIO / analog input |
| Chân 31 | RA10 — Remappable GPIO / analog input |
| Chân 32 | AVSS — Analog ground |
| Chân 33 | AVDD — Analog supply |
| Chân 34 | RA11 — Remappable GPIO / analog input |
| Chân 35 | RA12 — Remappable GPIO / analog input |
| Chân 36 | RA13 — Remappable GPIO / analog input |
| Chân 37 | RA14 — Remappable GPIO / analog input |
| Chân 38 | RA15 — Remappable GPIO / analog input |
| Chân 39 | RB12 — Remappable GPIO |
| Chân 40 | RB13 — Remappable GPIO |
| Chân 41 | RB14 — Remappable GPIO |
| Chân 42 | RB15 — Remappable GPIO |
| Chân 43 | VSS — Ground |
| Chân 44 | VDD — Digital supply |
| Chân 45 | RC0 — Remappable GPIO |
| Chân 46 | RC1 — Remappable GPIO |
| Chân 47 | RC2 — Remappable GPIO |
| Chân 48 | RC3 — Remappable GPIO |
| Chân 49 | RC4 — Remappable GPIO |
| Chân 50 | RC5 — Remappable GPIO |
| Chân 51 | RC6 — Remappable GPIO |
| Chân 52 | RC7 — Remappable GPIO |
| Chân 53 | RC8 — Remappable GPIO |
| Chân 54 | RC9 — Remappable GPIO |
| Chân 55 | RC10 — Remappable GPIO |
| Chân 56 | RC11 — Remappable GPIO |
| Chân 57 | MCLR — Master clear / reset (active-low) |
| Chân 58 | RB0 — Remappable GPIO / programming pin |
| Chân 59 | RB1 — Remappable GPIO / programming pin |
| Chân 60 | VSS — Ground |
| Chân 61 | VDD — Digital supply |
| Chân 62 | RB2 — Remappable GPIO |
| Chân 63 | RB3 — Remappable GPIO |
| Chân 64 | RB4 — Remappable GPIO |
Ứng dụng tiêu biểu
DSPIC33CH256MP206-E/PT phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33CH256MP206-E/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Dual-core topology isolates control loops from communication (vsDSPIC33CH128MP206-E/PT)
- AEC-Q100 Grade 1 automotive qualification (vsDSPIC33CH256MP206-I/PT)
- More Flash than the 128 variant, smaller than the 512 variant (vsDSPIC33CH512MP206-E/PT)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
