DSPIC33CH256MP505-I/PT - 256KB Flash Dual-Core 100MHz DSC | Microchip
MPN: DSPIC33CH256MP505-I/PT ✓ Hoạt độngDSPIC33CH256MP505-I/PT Tóm tắt
A Digital Signal Controller (DSC) is a microcontroller architecture that combines a standard MCU control pipeline with a Digital Signal Processor (DSP) engine for high-speed arithmetic. Within the broader taxonomy, DSCs sit between microcontrollers (MCU) and microcontrollers-with-DSP, themselves a subcategory of 16-bit embedded controllers and ultimately embedded processors in the integrated circuits hierarchy. The dsPIC33CH family specifically targets motor control, digital power conversion, and safety-critical applications where deterministic closed-loop performance is mandatory.
Key features include dual independent dsPIC cores, high-resolution PWM with 1 ns edge placement, integrated CAN Flexible Data-Rate (CAN FD), 12-bit ADC up to 3.5 Msps, multiple UART/SPI/I2C interfaces, and Functional Safety (FuSa) support for ASIL-B/SIL-2 applications. The slave core can execute user code independently, allowing the main core to focus on real-time DSP tasks while the slave handles housekeeping, communication stacks, or sensor sampling.
The 48-pin TQFP (PT) package offers an industry-standard 7x7 mm footprint with 0.5 mm pitch, well-suited for hand-solderable prototyping and volume production. AEC-Q100 qualification is available on automotive-grade variants, and the device supports debug via standard ICSP/ICD interfaces for both cores simultaneously.
Typical applications include field-oriented control (FOC) motor drives, digital totem-pole PFC power supplies, wireless battery management systems, servo drives, and functional safety PLCs. When designing, allocate pin mapping carefully between cores and consult the dual-core programming model documentation for inter-core mailbox and shared RAM usage.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33CH256MP505-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 DSPIC33CH256MP505-I/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, MSL Level, Package, Functional Safety, Supply Voltage.
DSPIC33CH256MP505-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH256MP505T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH128MP505-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH256MP505-I/PTVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH256MP505-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | Dual 16-bit dsPIC33C DSC (main 100 MIPS + slave 90 MIPS) |
| Maximum CPU Speed | 100 MHz (main core) |
| Program Memory (Flash) | 256 KB |
| Data SRAM (Main Core) | 16 KB |
| Data SRAM (Slave Core) | 4 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| PWM Resolution | High-resolution PWM, 1 ns edge placement |
| CAN FD | Yes |
| Hộp | 48-pin TQFP (7x7 mm) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 Hours) |
| Trạng thái RoHS | Compliant |
| Functional Safety | FuSa support (ASIL-B/SIL-2 capable) |
| ICSP Debug | Yes (dual-core simultaneous debug) |
Cấu hình chân DSPIC33CH256MP505-I/PT
| Chân 1 | RP46/PWM4H/RC16 — Remappable I/O / PWM output |
| Chân 2 | RP47/PWM4L/RC15 — Remappable I/O / PWM complementary output |
| Chân 3 | RP48/PWM5H/RC14 — Remappable I/O / PWM output |
| Chân 4 | RP49/PWM5L/RC13 — Remappable I/O / PWM complementary output |
| Chân 5 | AVDD — Analog supply voltage |
| Chân 6 | AVSS — Analog ground |
| Chân 7 | AN0/RA0 — Analog input / GPIO |
| Chân 8 | AN1/RA1 — Analog input / GPIO |
| Chân 9 | AN2/RA2 — Analog input / GPIO |
| Chân 10 | AN3/RA3 — Analog input / GPIO |
| Chân 11 | VDD — Digital supply voltage |
| Chân 12 | VSS — Digital ground |
| Chân 13 | OSC1/RA4 — Crystal oscillator input |
| Chân 14 | OSC2/RA5 — Crystal oscillator output |
| Chân 15 | MCLR — Master Clear reset (active low) |
| Chân 16 | PGED3/RP50/RB0 — ICSP programming data / GPIO |
| Chân 17 | PGEC3/RP51/RB1 — ICSP programming clock / GPIO |
| Chân 18 | PGED2/SDA2/RP52/RB2 — ICSP data / I2C SDA / GPIO |
| Chân 19 | PGEC2/SCL2/RP53/RB3 — ICSP clock / I2C SCL / GPIO |
| Chân 20 | TMS/RP54/RB4 — JTAG test mode select / GPIO |
| Chân 21 | TCK/RP55/RB5 — JTAG test clock / GPIO |
| Chân 22 | TDI/RP56/RB6 — JTAG test data in / GPIO |
| Chân 23 | TDO/RP57/RB7 — JTAG test data out / GPIO |
| Chân 24 | VDD — Digital supply voltage |
| Chân 25 | VSS — Digital ground |
| Chân 26 | RP58/PWM6H/RC0 — Remappable I/O / PWM output |
| Chân 27 | RP59/PWM6L/RC1 — Remappable I/O / PWM complementary output |
| Chân 28 | RP60/PWM7H/RC2 — Remappable I/O / PWM output |
| Chân 29 | RP61/PWM7L/RC3 — Remappable I/O / PWM complementary output |
| Chân 30 | RP62/PWM8H/RC4 — Remappable I/O / PWM output |
| Chân 31 | RP63/PWM8L/RC5 — Remappable I/O / PWM complementary output |
| Chân 32 | RP64/C1RX/RC6 — Remappable I/O / CAN1 RX / GPIO |
| Chân 33 | RP65/C1TX/RC7 — Remappable I/O / CAN1 TX / GPIO |
| Chân 34 | RP66/INT0/RC8 — Remappable I/O / external interrupt / GPIO |
| Chân 35 | RP67/INT1/RC9 — Remappable I/O / external interrupt / GPIO |
| Chân 36 | RP68/OC1/RC10 — Remappable I/O / output compare / GPIO |
| Chân 37 | RP69/OC2/RC11 — Remappable I/O / output compare / GPIO |
| Chân 38 | RP70/OC3/RC12 — Remappable I/O / output compare / GPIO |
| Chân 39 | VDD — Digital supply voltage |
| Chân 40 | VSS — Digital ground |
| Chân 41 | RP71/U1RTS/RD0 — Remappable I/O / UART1 RTS / GPIO |
| Chân 42 | RP72/U1CTS/RD1 — Remappable I/O / UART1 CTS / GPIO |
| Chân 43 | RP73/U1RX/RD2 — Remappable I/O / UART1 RX / GPIO |
| Chân 44 | RP74/U1TX/RD3 — Remappable I/O / UART1 TX / GPIO |
| Chân 45 | RP75/SDA1/RD4 — Remappable I/O / I2C1 SDA / GPIO |
| Chân 46 | RP76/SCL1/RD5 — Remappable I/O / I2C1 SCL / GPIO |
| Chân 47 | RP77/SPI1SCK/RD6 — Remappable I/O / SPI1 clock / GPIO |
| Chân 48 | RP78/SPI1SDO/RD7 — Remappable I/O / SPI1 data out / GPIO |
Ứng dụng tiêu biểu
DSPIC33CH256MP505-I/PT phù hợp cho 6 Áp dụngs: Field-Oriented Control (FOC) Motor Drive, Digital Totem-Pole PFC Power Supply, Wireless Battery Management System (wBMS), Industrial Servo Drive with Functional Safety, Solar String Inverter MPPT Controller, Automotive HVAC Blower Control.
Field-Oriented Control (FOC) Motor Drive
The DSPIC33CH256MP505-I/PT is purpose-built for FOC motor control loops on PMSM, BLDC, and AC induction motors. The main 100 MIPS core executes the Park/Clarke transform and space-vector modulation at PWM frequencies up to 50 kHz with 1 ns high-resolution edge placement, while the slave 90 MIPS core handles encoder sampling via quadrature decoder and current-sensor ADC trigger timing. The 16+4 KB partitioned SRAM lets the main core maintain dedicated PI controller state buffers without contention from sensor I/O. Its integrated CAN FD enables multi-axis servo synchronization over a single bus, and the 48-pin TQFP footprint fits compact 3-phase inverter boards under 50 mm square.
Được đề xuất
Digital Totem-Pole PFC Power Supply
For bridgeless totem-pole PFC converters, the DSPIC33CH256MP505-I/PT runs current-mode control loops on the main 100 MIPS core while the slave core manages AC-line zero-crossing detection, relay sequencing, and housekeeping telemetry. The high-resolution PWM module provides the sub-percent duty-cycle accuracy required to meet 80 Plus Titanium efficiency targets at light load. CAN FD connectivity lets the PFC stage report power-quality telemetry to a downstream DSP or supervisory controller, and the 256 KB Flash accommodates complex state-machine firmware for soft-start, brown-out, and burst-mode operation across universal mains input.
Được đề xuất
Wireless Battery Management System (wBMS)
The DSPIC33CH256MP505-I/PT is ideal for wireless BMS master nodes where deterministic cell-balancing and state-of-charge (SoC) computation must coexist with a wireless protocol stack. The main core runs coulomb-counting and Kalman-filter SoC algorithms at 100 MIPS, while the slave core handles BLE or proprietary RF protocol timing. With 256 KB Flash, the device can host a full BMS firmware image plus bootloader and OTA update partition. The 48-pin TQFP package and -40C to +85C industrial range suit under-hood automotive and stationary storage installations alike.
Được đề xuất
Industrial Servo Drive with Functional Safety
For SIL-2 / ASIL-B functional-safety servo drives, the DSPIC33CH256MP505-I/PT's dual-core architecture lets one core execute the motion-control loop while the other runs a diverse-redundancy safety check on position feedback and current limits. The Functional Safety (FuSa) documentation package supports ISO 13849 and IEC 61508 certification. CAN FD provides the safety-rated communication bus to the controller, and the high-resolution PWM with 1 ns edge placement ensures sub-arcsecond positioning accuracy in CNC and robotics applications.
Được đề xuất
Solar String Inverter MPPT Controller
The DSPIC33CH256MP505-I/PT drives multiple MPPT channels in residential or small-commercial solar inverters. The main core executes perturb-and-observe or incremental-conductance MPPT algorithms on each string at sub-100 ms update rates, while the slave core synchronizes grid-tie relaying and anti-islanding detection per IEEE 1547. High-resolution PWM drives the DC-DC boost stage with >99% efficiency at partial load, and CAN FD or UART reports telemetry to the inverter's display and cloud gateway.
Được đề xuất
Automotive HVAC Blower Control
In 12V/48V automotive HVAC blowers, the DSPIC33CH256MP505-I/PT runs sensorless FOC on small PMSM blowers while the slave core manages LIN or CAN FD communication with the body controller. The device's industrial-grade temperature rating matches under-dash thermal conditions, and the AEC-Q100-qualified /PTVAO variant supports OEM automotive PPAP documentation. The 256 KB Flash allows combined motor-control firmware plus a bootloader for service reflashing.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33CH256MP505-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 | DSPIC33CH256MP505-E/PT | DSPIC33CH256MP505T-I/PT | DSPIC33CH128MP505-I/PT | DSPIC33CH256MP505-I/PTVAO | DSPIC33CH256MP208-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-48 (7x7 mm) | TQFP-48 (7x7 mm) - same | TQFP-48 (7x7 mm) - same | TQFP-48 (7x7 mm) - same | TQFP-48 (7x7 mm) - same | TQFP-28 - different (28-pin) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 256 KB | 256 KB | 256 KB | 128 KB | 256 KB | 256 KB |
| Maximum CPU Speed (Main Core) | 100 MIPS / 100 MHz | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C | -40C to +85C | -40C to +125C (Automotive VAO) | -40C to +85C |
| Main Core SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Slave Core SRAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| CAN FD | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- True dual-core silicon on a single die (vsDSPIC33CH128MP505-I/PT)
- 256 KB Flash for full motor-control firmware plus bootloader (vsDSPIC33CH128MP505-I/PT)
- High-resolution PWM with 1 ns edge placement (vsDSPIC33CH256MP208-I/PT)
Ghi chú thiết kế
Place 100 nF decoupling capacitors on every VDD/VSS pin pair within 3 mm of the package, plus a single 10 uF bulk capacitor on each AVDD/AVSS pair. The dual-core silicon draws up to 80 mA under full load at 100 MHz; the AVDD rail is sensitive to digital switching noise, so isolate it via a ferrite bead from VDD.
When migrating from single-core dsPIC33CK to dual-core dsPIC33CH, ensure your firmware initializes the slave core via the inter-core mailbox protocol - the slave will not start automatically on reset. Configure the FBSLIM/FBCLSE configuration bits before code generation, otherwise the slave will lock up waiting for a handshake that never arrives.
The 48-pin TQFP (PT) package has a theta_JA of approximately 50 C/W on a 4-layer JEDEC test board. At 100 MHz full-load operation drawing ~80 mA at 3.3 V, internal dissipation is approximately 0.26 W, yielding a junction-to-ambient rise of 13 C - well within the 85 C industrial ceiling. Extended-temperature /E parts add headroom for >100 C ambient enclosures.
Route the high-resolution PWM traces as length-matched differential pairs with ground shielding, especially for the 1 ns-edge signals feeding gate drivers. Keep analog ADC traces short and away from PWM switching nodes; the on-chip ADC can sample at 3.5 Msps but is sensitive to switching-noise coupling through the package substrate.
Estimated: Crystal oscillator traces should be <5 mm and guarded by a ground ring. Place OSC1/OSC2 traces symmetrically, and avoid routing any digital signals under the crystal load capacitors to prevent jitter. For dual-core debug, dedicate separate PGED/PGEC pin pairs per core to avoid contention during simultaneous ICD sessions.
Thông tin tuân thủ
Industrial-grade /I variant is not AEC-Q100 qualified; choose DSPIC33CH256MP505-I/PTVAO for automotive PPAP documentation. RoHS compliant per Microchip product page.
