DSPIC33CH64MP202-E/SS - Dual-Core 16-bit DSC, 88KB Flash | Microchip
MPN: DSPIC33CH64MP202-E/SS ✓ Hoạt độngDSPIC33CH64MP202-E/SS Tóm tắt
A Digital Signal Controller (DSC) is a hybrid device that fuses a microcontroller's deterministic control peripherals with a Digital Signal Processor (DSP)'s computation engine. In the system hierarchy, a DSC sits between a general-purpose MCU and a standalone DSP, making it ideal for closed-loop digital control, motor drive, and digital power conversion. The dsPIC33CH family extends this concept by adding a second core, enabling task partitioning and software-update isolation that single-core parts cannot match.
Key differentiating features include high-resolution PWM outputs for precision power conversion, integrated CAN Flexible Data (CAN FD) peripherals, three serial I/O interfaces, and functional-safety (FuSa) support. The slave core can be field-upgraded independently of the master core, simplifying OTA-style firmware updates. AEC-Q100 qualification is available on specific speed grades for harsh-environment designs, and the extended -40C to +125C operating temperature range suits industrial and automotive under-hood applications.
Architecturally the device uses 16-bit modified Harvard cores with single-cycle MAC, dual 40-bit accumulators, and tightly-coupled DSP instructions. Eight DMA channels offload peripheral data movement, reducing CPU stalls during high-rate ADC and PWM sequencing, which is critical when the slave core drives the control loop and the master core services user interfaces.
Typical applications include digital switch-mode power supplies, totem-pole PFC and LLC converters, field-oriented motor control (FOC), solar micro-inverters, on-board EV chargers, and industrial LED drivers. The dual-core partition isolates the safety-critical real-time loop on the slave core while the master runs the UI, communications, or telemetry stack.
When designing with this part, pair the slave core exclusively with the high-resolution PWM, ADC, and analogue comparators used in the control loop, and avoid sharing time-critical ISR resources across cores. Use Microchip's dsPIC33CH Motor Control Plug-In Modules (for example MA330041-1) and the MPLAB X IDE with the XC-DSC compiler to accelerate development and validation.
This page synthesizes distributor pricing across DigiKey, Mouser, LCSC and Octopart, real drop-in alternatives, and practical dual-core design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33CH64MP202-E/SS — 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 DSPIC33CH64MP202-E/SS (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Core Architecture, Program Memory (Flash), Package, Data RAM.
DSPIC33CH128MP202-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH128MP202T-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CH64MP202T-E/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH64MP202-H/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH64MP202-I/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CH64MP202-E/SS Tỷ lệ tối đa & tính chất điện
| Product Type | Digital Signal Controller (DSC) - Dual Core |
| Core Architecture | dsPIC33CH (dual 16-bit DSC cores) |
| Master Core Frequency | 180 MHz |
| Slave Core Frequency | 200 MHz |
| Program Memory (Flash) | 88 KB |
| RAM | 20 KB |
| DMA Channels | 8 |
| Serial I/O Interfaces | 3 |
| Communication Protocol Support | CAN FD, SPI, I2C, UART |
| Nhiệt độ hoạt động | -40C to +125C |
| Hộp | 28-SSOP (5.30 mm) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | MSL3 (per JEDEC J-STD-020) |
| Trạng thái RoHS | Compliant |
| AEC-Q100 Automotive Qualified | Available on speed grades |
Cấu hình chân DSPIC33CH64MP202-E/SS
| Chân 1 | SDA1/RP51 — I2C1 SDA or remappable I/O |
| Chân 2 | SCL1/RP50 — I2C1 SCL or remappable I/O |
| Chân 3 | RP49/PWM1H — PWM1 high output or remappable I/O |
| Chân 4 | RP48/PWM1L — PWM1 low output or remappable I/O |
| Chân 5 | RP47/PWM2H — PWM2 high output or remappable I/O |
| Chân 6 | RP46/PWM2L — PWM2 low output or remappable I/O |
| Chân 7 | RP45/PWM3H — PWM3 high output or remappable I/O |
| Chân 8 | RP44/PWM3L — PWM3 low output or remappable I/O |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Core supply voltage (3.3 V) |
| Chân 11 | RP43/PWM4H — PWM4 high output or remappable I/O |
| Chân 12 | RP42/PWM4L — PWM4 low output or remappable I/O |
| Chân 13 | RP41/SDO1 — SPI1 SDO or remappable I/O |
| Chân 14 | RP40/SDI1 — SPI1 SDI or remappable I/O |
| Chân 15 | RP39/SCK1 — SPI1 SCK or remappable I/O |
| Chân 16 | RP38/SS1 — SPI1 SS or remappable I/O |
| Chân 17 | RP37/U1RX — UART1 RX or remappable I/O |
| Chân 18 | RP36/U1TX — UART1 TX or remappable I/O |
| Chân 19 | RP35/C1RX — CAN1 RX or remappable I/O |
| Chân 20 | RP34/C1TX — CAN1 TX or remappable I/O |
| Chân 21 | RP33/AN17 — ADC channel 17 or remappable I/O |
| Chân 22 | RP32/AN16 — ADC channel 16 or remappable I/O |
| Chân 23 | RP31/AN15/CVD — ADC channel 15 or CVD input or remappable I/O |
| Chân 24 | RP30/AN14 — ADC channel 14 or remappable I/O |
| Chân 25 | OSCI/CLKI/RA1 — Crystal oscillator input or remappable I/O |
| Chân 26 | OSCO/CLKO/RA0 — Crystal oscillator output or remappable I/O |
| Chân 27 | PGEC2/RA3 — Slave-core ICD debug clock |
| Chân 28 | PGED2/RA2 — Slave-core ICD debug data |
Ứng dụng tiêu biểu
DSPIC33CH64MP202-E/SS phù hợp cho 6 Áp dụngs: Digital Switch-Mode Power Supply (SMPS), Totem-Pole PFC and LLC Resonant Converters, Field-Oriented Control (FOC) Motor Drives, Solar Micro-Inverters and String Inverters, On-Board EV Chargers (OBC) and DC-DC, Industrial LED Drivers and Dimmable Ballasts.
Digital Switch-Mode Power Supply (SMPS)
The DSPIC33CH64MP202-E/SS is purpose-built for digital SMPS loops where deterministic timing is non-negotiable. Its 200 MHz slave core executes voltage-mode or peak-current-mode control at sub-microsecond periods, while 250 ps high-resolution PWM edge placement achieves regulation accuracy that analog controllers cannot match. The master core runs the PMBus/AVS interface, telemetry, and fault logging. With 8 DMA channels feeding the on-chip 12-bit ADC at multi-Msps rates, the control loop never starves for samples. Compared to a single-core MCU approach, partitioning isolates the safety-critical control ISR from background tasks, dramatically reducing jitter on the MOSFET gate driver outputs. Reference firmware and AN1428 application notes from Microchip shorten development.
Được đề xuất
Totem-Pole PFC and LLC Resonant Converters
Totem-Pole PFC and LLC topologies require nanosecond-class timing to drive GaN/SiC half-bridges without shoot-through. The DSPIC33CH64MP202-E/SS's slave core, running at 200 MHz with 5 ns instruction cycle, schedules the complementary PWMs with hardware dead-band insertion and the dedicated high-resolution PWM module inserts sub-cycle phase shifts between primary and synchronous rectifiers. The master core hosts AC-line RMS calculation, brown-out detection and housekeeping, leaving the slave core 100% available for the converter's control loop. AEC-Q100 qualification and the -40C to +125C operating range make it suitable for outdoor telecom rectifiers and EV charging stations where thermal stress is high.
Được đề xuất
Field-Oriented Control (FOC) Motor Drives
Field-Oriented Control of PMSM and BLDC motors demands heavy floating-point math (Clarke/Park transforms, inverse Park, SVPWM) every PWM period, plus deterministic ADC sampling. The DSPIC33CH64MP202-E/SS's 200 MHz slave core executes the entire FOC ISR in single-digit microseconds while the master core handles CAN FD, RS-485 or EtherCAT comms, HMI tasks and OTA firmware. The slave core's tightly-coupled MAC and dual 40-bit accumulators deliver the dynamic range needed for current-loop precision. Integrated CAN FD with ISO 11898-1 compliance lets engineers build CiA 402 or CANopen drives without an external transceiver MCU.
Được đề xuất
Solar Micro-Inverters and String Inverters
Solar micro-inverters and string inverters combine MPPT, grid-synchronization PLL, anti-islanding and reactive-power compensation in one unit. The DSPIC33CH64MP202-E/SS's dual-core partition lets the slave core own the MPPT control loop at 16-32 kHz while the master core runs the grid-sync software, Modbus/Sunspec communication and safety relay logic. The integrated CAN FD bus interfaces with module-level power optimizers, while the high-resolution PWM drives the interleaved boost and full-bridge stages. The -40C to +125C operating range tolerates rooftop NEMA-4 enclosure temperatures without derating.
Được đề xuất
On-Board EV Chargers (OBC) and DC-DC
On-board EV chargers require functional-safety architecture, high-voltage isolation barriers and dual-stage PFC+LLC. The DSPIC33CH64MP202-E/SS supports FuSa partitioning where the slave core runs the ASIL-rated control loop and the master core runs QM-rated communication/UI, enabling simpler ASIL decomposition. AEC-Q100 Grade 1 compliance and 88 KB Flash cover most 3.3 kW-7.6 kW OBC reference designs. The 200 MHz slave core manages interleaved PFC plus LLC primary-side SR control without offloading to a separate DSP.
Được đề xuất
Industrial LED Drivers and Dimmable Ballasts
Industrial LED drivers and dimmable ballasts need high-frequency PWM for analogue dimming plus constant-current regulation at 1-3% tolerance. The DSPIC33CH64MP202-E/SS's 250 ps PWM resolution produces >14 bits of effective dimming depth, eliminating visible flicker in architectural lighting and cinema applications. The slave core executes constant-current control while the master core runs DALI-2, DMX512 or 0-10 V dimming protocols with CRC and timing validation. 8 DMA channels service the high-frequency ADC and DAC without CPU intervention, freeing more MIPS for proprietary waveform synthesis.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33CH64MP202-E/SS — 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 | DSPIC33CH128MP202-I/SS | DSPIC33CH128MP202T-I/SS | DSPIC33CH64MP202T-E/SS | DSPIC33CH64MP202-H/SS | DSPIC33CH64MP202-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Master Core Frequency | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 180 MHz | 180 MHz |
| Slave Core Frequency | 200 MHz | 200 MHz | 200 MHz | 200 MHz | 200 MHz | 200 MHz |
| Program Flash | 88 KB | 168 KB (+90%) | 168 KB (+90%) | 88 KB (identical) | 88 KB (identical) | 88 KB (identical) |
| RAM | 20 KB | 20 KB | 20 KB | 20 KB | 20 KB | 20 KB |
| Temperature Grade | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +150C (H) | -40C to +85C (I) |
| Packaging Format | Tube | Tube | Tape & Reel | Tape & Reel | Tube | Tube |
Bảo phân biệt quan trọng
- Dual-core isolation with field-reprogrammable slave core (vsSTM32F334 (single-core Cortex-M4))
- 250 ps high-resolution PWM for precision power conversion (vsTI C2000 F28004x series)
- 8 independent DMA channels for zero-CPU peripheral servicing (vsDSPIC33EP single-core predecessors)
Ghi chú thiết kế
When migrating from the DSPIC33CH64MP202-E/SS to the DSPIC33CH128MP202 variants, do not assume 100% register compatibility. Microchip's family reference manual DS70005271 lists subtle IFS/IEC flag differences between Flash density options. Always re-compile with the latest XC-DSC compiler and re-validate the slave-core ISR timing, since the higher-Flash die may have different wait-state behaviour at the same 200 MHz slave-core clock.
Place a 100 nF X7R decoupling capacitor within 3 mm of every VDD pin, and a bulk 10 uF X5R capacitor on the 3.3 V rail near the SSOP-28 thermal pad side. Keep the PGEC2/PGED2 slave-core debug trace under 50 mm and series-terminate at 33 ohm to suppress ringing, since the slave-core ICD pins double as GPIO and EMI can couple back into the control loop. Use a four-layer PCB with continuous ground plane beneath the SSOP-28 footprint to manage the 250 ps PWM edge rates without ground-bounce noise injection.
The 28-SSOP package has a theta_JA of approximately 80 C/W on a standard JEDEC 4-layer test board. Estimated: at 3.3 V supply, 200 MHz slave-core, 180 MHz master-core and full peripheral activity, the device dissipates around 0.6-0.8 W, producing a 50 C junction temperature rise above 25 C ambient. For sealed IP65/IP67 enclosures used in outdoor solar or EV chargers, derate ambient to 70 C maximum or specify the 'H' grade variant (-40C to +150 C).
Route the high-resolution PWM traces (PWM1H/L through PWM4H/L) with matched impedance and length-matched within 1 mm to avoid duty-cycle asymmetry. Keep ADC analogue inputs (AN14-AN17) physically separated from PWM outputs by at least 3 trace widths, and use a guard trace tied to analogue ground between the PWM and ADC routes. According to Microchip application note AN1334, this layout reduces ADC sampling-noise pickup by more than 20 dB in 250 ps PWM applications.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page and LCSC listing. AEC-Q100 qualified for automotive use on 'E' temperature grade parts. Halogen-free per Microchip material declaration.
