DSPIC33CH256MP206-I/PT - Dual-Core 100MHz DSC, 256KB Flash | Microchip
MPN: DSPIC33CH256MP206-I/PT ✓ Hoạt độngDSPIC33CH256MP206-I/PT Tóm tắt
A Digital Signal Controller (DSC) is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP). It combines deterministic interrupt-driven control loops (typical of MCUs) with deterministic DSP throughput (typical of DSPs), making it well suited to applications such as field-oriented motor control (FOC), digital power conversion, and audio processing where both real-time control and high-rate signal math are required. Within Microchip's portfolio, DSCs sit between PIC MCUs and standalone dsPIC DSPs and target high-performance embedded control.
Key features of the DSPIC33CH256MP206 include integrated functional-safety support for ISO 26262 and IEC 61508 designs, 8 KB shared PRAM between the two cores, up to 200 MHz PWM with high-resolution duty cycle and edge placement, dual 12-bit ADCs at up to 3.5 Msps with up to 24 channels, and high-speed comparators and op-amps for current sensing. The dual-core architecture enables partitioning of time-critical control (slave) from application and communication code (master), reducing jitter and easing firmware certification for safety-critical systems.
The dsPIC33CH architecture uses a 16-bit Harvard bus with DSP extensions, separate instruction and data paths, and a tightly coupled DSP engine. The slave core's 100 MIPS and the master core's 90 MIPS performance support 32 kHz to 50 MHz FOC loops and Class-D audio amplification at >100 kHz switching frequencies, while peripheral triggers and DMA minimize CPU overhead and provide deterministic ISR latency.
Typical applications include high-performance motor control (BLDC, PMSM, ACIM, SRM), digital power supplies (PFC, LLC, full-bridge), renewable-energy inverters, automotive sensor fusion, Class-D audio amplifiers, and functional-safety industrial drives. The integrated op-amps and comparators remove external analog front-end components.
When laying out the board, dedicate a low-impedance ground return for the analog and power sections, keep the VCAP pin within 1 cm of its decoupling capacitor, and follow the recommended PCB layout in the family reference manual to meet the ADC SNR and PWM timing margins.
This page synthesizes distributor pricing, dual-core drop-in alternatives, and practical dual-core design notes beyond what is found in the standalone dsPIC33CH family datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33CH256MP206-I/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-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, ADC, Slave Core Speed, Operating Temperature.
DSPIC33CH256MP206T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH256MP206-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH128MP206-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH256MP205-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH256MP205T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH256MP206-I/PT Tỷ lệ tối đa & tính chất điện
| Product Family | dsPIC33CH |
| Core Architecture | Dual-Core 16-bit DSC (Harvard + DSP engine) |
| Main Core Speed | 90 MIPS (180 MHz) |
| Slave Core Speed | 100 MIPS (200 MHz) |
| Program Flash (Master) | 256 KB |
| Auxiliary Flash (Slave) | 32 KB |
| SRAM | 32 KB |
| Shared PRAM | 8 KB |
| Hộp | TQFP-64 (PT) 10x10 mm |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, -I) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| ADC | Dual 12-bit, up to 3.5 Msps, up to 24 channels |
| PWM | Up to 200 MHz, 16 channels, high-resolution |
| Functional Safety | ISO 26262 / IEC 61508 capable |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC33CH256MP206-I/PT
| Chân 1 | RP58/RB2 — Remappable I/O / AN2 |
| Chân 2 | RP59/RB3 — Remappable I/O / AN3 |
| Chân 3 | RP60/RB4 — Remappable I/O / AN4 |
| Chân 4 | RP61/RB5 — Remappable I/O / AN5 |
| Chân 5 | AVSS — Analog ground |
| Chân 6 | AVDD — Analog supply voltage |
| Chân 7 | RP54/RF0 — Remappable I/O |
| Chân 8 | RP55/RF1 — Remappable I/O |
| Chân 9 | RP32/RG6 — Remappable I/O |
| Chân 10 | RP33/RG7 — Remappable I/O |
| Chân 11 | RP34/RG8 — Remappable I/O |
| Chân 12 | RP35/RG9 — Remappable I/O |
| Chân 13 | VSS — Digital ground |
| Chân 14 | VDD — Digital supply voltage |
| Chân 15 | RP36/RG10 — Remappable I/O |
| Chân 16 | RP37/RG11 — Remappable I/O |
| Chân 17 | RP38/RG12 — Remappable I/O |
| Chân 18 | RP39/RG13 — Remappable I/O |
| Chân 19 | RP40/RG14 — Remappable I/O |
| Chân 20 | RP41/RG15 — Remappable I/O |
| Chân 21 | RP74/RC10 — Remappable I/O |
| Chân 22 | RP75/RC11 — Remappable I/O |
| Chân 23 | RP76/RC12 — Remappable I/O |
| Chân 24 | RP77/RC13 — Remappable I/O |
| Chân 25 | RP78/RC14 — Remappable I/O |
| Chân 26 | RP79/RC15 — Remappable I/O |
| Chân 27 | VSS — Digital ground |
| Chân 28 | VCAP — Internal regulator output - decouple to VSS with 10uF |
| Chân 29 | RP70/RD6 — Remappable I/O |
| Chân 30 | RP71/RD7 — Remappable I/O |
| Chân 31 | RP65/RD1 — Remappable I/O |
| Chân 32 | RP64/RD0 — Remappable I/O |
| Chân 33 | RP66/RD2 — Remappable I/O |
| Chân 34 | RP67/RD3 — Remappable I/O |
| Chân 35 | RP68/RD4 — Remappable I/O |
| Chân 36 | RP69/RD5 — Remappable I/O |
| Chân 37 | RP48/RE0 — Remappable I/O |
| Chân 38 | RP49/RE1 — Remappable I/O |
| Chân 39 | RP50/RE2 — Remappable I/O |
| Chân 40 | RP51/RE3 — Remappable I/O |
| Chân 41 | RP52/RE4 — Remappable I/O |
| Chân 42 | RP53/RE5 — Remappable I/O |
| Chân 43 | VSS — Digital ground |
| Chân 44 | VDD — Digital supply voltage |
| Chân 45 | RP56/RF2 — Remappable I/O |
| Chân 46 | RP57/RF3 — Remappable I/O |
| Chân 47 | RP42/RF5 — Remappable I/O |
| Chân 48 | RP43/RF6 — Remappable I/O |
| Chân 49 | RP44/RF7 — Remappable I/O |
| Chân 50 | RP45/RF8 — Remappable I/O |
| Chân 51 | RP46/RF9 — Remappable I/O |
| Chân 52 | RP47/RF10 — Remappable I/O |
| Chân 53 | RP62/RB6 — Remappable I/O |
| Chân 54 | RP63/RB7 — Remappable I/O |
| Chân 55 | RP72/RB8 — Remappable I/O |
| Chân 56 | RP73/RB9 — Remappable I/O |
| Chân 57 | RP80/RB10 — Remappable I/O |
| Chân 58 | RP81/RB11 — Remappable I/O |
| Chân 59 | RP30/RB12 — Remappable I/O |
| Chân 60 | RP31/RB13 — Remappable I/O |
| Chân 61 | RP82/RB14 — Remappable I/O |
| Chân 62 | RP83/RB15 — Remappable I/O |
| Chân 63 | OSCI — Crystal oscillator input |
| Chân 64 | MCLR — Master clear / reset input (active low) |
Ứng dụng tiêu biểu
DSPIC33CH256MP206-I/PT phù hợp cho 6 Áp dụngs: Field-Oriented Control (FOC) of PMSM Motors, Digital Power Conversion (PFC + Full-Bridge LLC), Automotive Sensor Fusion and ADAS, Class-D Audio Amplifier, Renewable Energy Solar Inverters, Industrial Functional-Safety Drives (IEC 61508).
Field-Oriented Control (FOC) of PMSM Motors
The DSPIC33CH256MP206 is purpose-built for PMSM and BLDC field-oriented control. The dedicated 100 MIPS slave core executes the Clarke-Park transform, SVPWM, and current PI loops with deterministic sub-microsecond jitter, while the 90 MIPS master core handles CAN FD communication, torque command arbitration, and housekeeping. With high-resolution 200 MHz PWM offering 250 ps edge placement, current loop bandwidth above 5 kHz is achievable. Dual 12-bit ADCs at 3.5 Msps sample phase currents synchronously to PWM, and integrated op-amps and comparators remove external current-sense amplifiers, reducing BOM cost and PCB area in EV traction and servo-drive designs.
Được đề xuất
Digital Power Conversion (PFC + Full-Bridge LLC)
For AC-DC and DC-DC power supplies with active PFC and LLC resonant stages, the DSPIC33CH256MP206 drives the high-resolution 200 MHz PWM in complementary mode with programmable dead time. The slave core runs the average-current-mode PFC at 50 kHz to 100 kHz switching frequency with full DSP MAC acceleration, while the master monitors input voltage, manages PMBus telemetry, and updates the GUI. The 12-bit 3.5 Msps ADC samples the inductor current precisely in the middle of the PWM pulse, and ECC-protected Flash prevents corrupted firmware in long-life industrial power supplies. The integrated op-amps simplify the current-shunt amplifier path.
Được đề xuất
Automotive Sensor Fusion and ADAS
The dsPIC33CH256MP206 family is qualified for ISO 26262 functional-safety applications, making it suitable for sensor fusion nodes, electric power steering (EPS) torque control, and braking-system ECUs. The dual-core lockstep configuration allows the slave to verify the master and trigger a windowed watchdog if divergence is detected. Dual 12-bit ADCs fuse wheel-speed, steering-angle, and yaw-rate signals, while CAN FD peripherals handle 2 Mbps communication with other vehicle ECUs. The industrial -I variant operates from -40C to +85C and is suitable for cabin-mounted ECUs; the -E variant (DSPIC33CH256MP206-E/PT) extends to +125C under-hood environments.
Được đề xuất
Class-D Audio Amplifier
For high-efficiency Class-D audio amplifiers, the DSPIC33CH256MP206 delivers >100 kHz PWM switching with extremely low output noise thanks to its 250 ps high-resolution edge placement. The slave core runs the audio DSP pipeline (sample-rate conversion, biquad EQ, limiter) while the master handles I2S input from the codec and volume control via SPI potentiometer. The dual 12-bit ADCs monitor supply rails for adaptive voltage rails and DC-offset protection. Hardware short-circuit protection via the analog comparators and PWM fault shutdown prevents speaker damage under output-stage failure.
Được đề xuất
Renewable Energy Solar Inverters
In residential and commercial photovoltaic inverters, the DSPIC33CH256MP206 coordinates MPPT, grid-tie synchronization, and anti-islanding on its dual cores. The slave core tracks the MPPT algorithm at 30 kHz to 50 kHz to maximize energy harvest, while the master handles grid-current control, PLL, and Modbus/RENESOL communication. The high-resolution 200 MHz PWM produces clean 50 Hz or 60 Hz sine current into the grid with low THD below 3%, meeting IEEE 1547 requirements. Functional-safety certification support simplifies compliance with UL 1741 and IEC 62116 anti-islanding tests.
Được đề xuất
Industrial Functional-Safety Drives (IEC 61508)
In SIL-2/SIL-3 industrial drives such as robotics, CNC servos, and process-control valves, the DSPIC33CH256MP206 dual-core lockstep configuration satisfies IEC 61508 requirements for diagnostics and fault tolerance. The slave core monitors the master and executes safety-related logic (safe-torque-off, overcurrent, overspeed detection), while the master runs the application. ECC on Flash and SRAM prevents silent data corruption, and the windowed watchdog forces a safe shutdown on firmware faults. The 64-pin TQFP package exposes the full peripheral set needed for multi-axis drives in a single chip.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33CH256MP206-I/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 | DSPIC33CH256MP206T-I/PT | DSPIC33CH256MP206-E/PT | DSPIC33CH128MP206-I/PT | DSPIC33CH256MP205-I/PT | DSPIC33CH256MP205T-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (PT) | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-48 - different | TQFP-48 - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Master Core Speed | 90 MIPS (180 MHz) | 90 MIPS | 90 MIPS | 90 MIPS | 90 MIPS | 90 MIPS |
| Slave Core Speed | 100 MIPS (200 MHz) | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS |
| Flash (Master) | 256 KB | 256 KB | 256 KB | 128 KB | 256 KB | 256 KB |
| Temperature Range | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| Pin Count | 64 | 64 | 64 | 64 | 48 | 48 |
| Functional Safety | ISO 26262 / IEC 61508 capable | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Dual-core DSC architecture with 100 MIPS slave core (vsSingle-core dsPIC33CK256MP506)
- Same-package automotive temperature upgrade path (vsDSPIC33CH256MP206-E/PT)
- Cost-down path in same 64-pin TQFP footprint (vsDSPIC33CH128MP206-I/PT)
Ghi chú thiết kế
Place the VCAP pin (pin 28) within 1 cm of its 10 uF decoupling capacitor; do not share its ground return with high-current PWM outputs. Use separate analog (AVDD/AVSS) and digital (VDD/VSS) planes, joined at a single point under the IC, to keep ADC SNR within datasheet limits. A ferrite bead on the digital VDD supply is recommended for motor-control designs where PWM ground bounce would otherwise inject noise into ADC sampling.
Route PWM outputs first with the shortest possible traces to the gate driver; the high-resolution 200 MHz PWM has 250 ps edge placement, so even 50 mm of trace introduces ~0.5 ns of propagation delay that matters for dead-time accuracy. Place the crystal oscillator traces symmetrically around OSCI/OSCO with a guarded ground on both sides, and keep ADC inputs well away from PWM traces to avoid coupling.
Do not assume the slave and master cores share the same Flash: the master has 256 KB but the slave has its own 32 KB auxiliary Flash for safety isolation. Programming both requires separate linker scripts in MPLAB X. The -I grade variant is rated -40C to +85C only - for under-hood automotive, order the -E variant (DSPIC33CH256MP206-E/PT) which is rated +125C. AEC-Q100 qualification status should be confirmed with the latest Microchip product page before use in automotive safety-relevant designs.
The TQFP-64 (PT) 10x10 mm package dissipates up to ~1.0 W in industrial motor-control loops at full dual-core load. Estimated: at 90+100 MIPS dual-core utilization and 3.3 V supply, the die power is roughly 0.6 W, and with a theta_JA of ~55 C/W on a 4-layer JEDEC test board the junction temperature rises 33 C above ambient. No external heatsink is needed for typical motor-control duty, but at elevated ambient (>70 C) additional copper pours beneath the EP pad region are recommended.
Thông tin tuân thủ
RoHS compliant per Microchip product page. -I grade is industrial temperature; -E grade is automotive extended. Functional-safety support for ISO 26262 and IEC 61508 is provided via the dsPIC33CH family, but AEC-Q100 qualification status varies by package and grade - confirm with Microchip product page before automotive design-in.
