DSPIC33CK512MP308T-I/PT - 100MHz 512KB DSC 80-TQFP | Microchip
MPN: DSPIC33CK512MP308T-I/PT ✓ Hoạt độngDSPIC33CK512MP308T-I/PT Tóm tắt
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and deterministic control of a microcontroller (MCU). DSCs occupy a tier of the embedded hierarchy between general-purpose MCUs and dedicated DSPs, offering fixed-point DSP instructions, fast interrupt handling, and tightly coupled peripherals for real-time closed-loop control. They are the device class of choice for power conversion and motor control systems.
Key features of the dsPIC33CK512MP308 include the 100 MHz dsPIC33CK core (up to 100 MIPS), 512 KB dual-panel flash enabling live firmware updates, 64 KB of RAM, integrated operational amplifiers, 12-bit ADCs, and high-resolution PWM peripherals - a peripheral set purpose-built for precision digital power and motor drive designs. Eight DMA channels offload data movement from the CPU.
Architecturally, the dsPIC33CK family uses an enhanced Harvard architecture with a single-cycle MAC-based DSP engine, dual-panel flash for branch-free execution and safe self-programming, and a rich interrupt controller supporting deterministic latency for control loops running at tens to hundreds of kHz.
Typical applications include precision motor control (PMSM/FOC, BLDC), digital power supplies and PFC stages, solar inverters, and industrial power conversion where 12-bit ADC sampling and high-resolution PWM directly determine control-loop accuracy.
When designing with this device, plan the control-loop timing around the 100 MHz core budget and the ADC sample-and-hold scheduling; the integrated op-amps can replace external signal-conditioning amplifiers, freeing board area but requiring gain configuration in firmware.
This page synthesizes distributor pricing, verified same-family drop-in options, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33CK512MP308T-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 DSPIC33CK512MP308T-I/PT (cùng hình factor và footprint) — khác nhau ở Core.
DSPIC33CK512MP308T-H/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CK512MP308T-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CK512MP308-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33CK512MP308T-I/PT Tỷ lệ tối đa & tính chất điện
| Core | 16-bit dsPIC33CK DSC |
| Tần số xung maksimum | 100 MHz |
| Program Memory Size | 512 KB Flash (dual panel) |
| RAM Size | 64 KB |
| DMA Channels | 8 |
| ADC Resolution | 12 bit |
| Integrated Peripherals | OpAmps, 12-bit ADCs, PWM |
| Hộp | 80-TQFP (12x12 mm) |
| Số chân | 80 |
| Package Pitch | 0.5 mm |
| Kiểu lắp đặt | Surface Mount |
| Bề rộng đường dữ liệu | 16 bit |
| Technology | CMOS |
| Packaging | Tape & Reel (TR) |
| Trạng thái RoHS | ROHS3 Compliant |
| Product Status | Active |
| Manufacturer Lead Time | 6 weeks |
Hướng dẫn cấu hình chân DSPIC33CK512MP308T-I/PT 0.5 mm
Cấu hình chân cho DSPIC33CK512MP308T-I/PT (0.5 mm gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho DSPIC33CK512MP308T-I/PT.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
DSPIC33CK512MP308T-I/PT phù hợp cho 6 Áp dụngs: Precision Motor Control (PMSM/FOC), Digital Power Supplies and PFC, Solar Inverters and Power Conversion, Industrial Automation and Robotics, Battery Management and Charging Systems, Audio Signal Processing and DSP Systems.
Precision Motor Control (PMSM/FOC)
The DSPIC33CK512MP308T-I/PT is purpose-built for field-oriented control of PMSM and BLDC motors. Its 100 MHz dsPIC33CK core executes FOC current loops at 10-50 kHz with deterministic interrupt latency, while the integrated 12-bit ADC samples phase currents with low jitter and the high-resolution PWM drives the inverter gate stage. Microchip explicitly positions the dsPIC33CK family for high-performance precision motor control systems. The integrated op-amps amplify shunt-current signals internally, eliminating external signal-conditioning amplifiers and reducing BOM cost and board area in servo drives, robotics, and industrial automation equipment.
Được đề xuất
Digital Power Supplies and PFC
In digital power supplies, LLC converters, and PFC stages, the DSPIC33CK512MP308T-I/PT closes voltage and current loops in firmware using its 12-bit ADCs and high-resolution PWM with sub-nanosecond effective resolution. The 100 MHz core sustains peak-current-mode or voltage-mode control at hundreds of kHz switching frequencies, and the 8 DMA channels stream ADC results without CPU loading. Dual-panel 512 KB flash permits field firmware updates for efficiency-tuning deployments, making the part attractive for server PSUs, telecom rectifiers, and battery chargers where control parameters are revised over product life.
Được đề xuất
Solar Inverters and Power Conversion
Grid-tied solar micro-inverters and string-inverter subassemblies require simultaneous MPPT computation, grid-synchronization (PLL), and PWM generation - a workload matched to the DSPIC33CK512MP308T-I/PT's DSP-enhanced core. The single-cycle MAC engine accelerates filter and transform computations (Clarke/Park, PI loops), while 12-bit ADC channels sample PV voltage/current and grid waveforms synchronously with PWM carriers. The 64 KB RAM supports slip-buffered data logging, and ROHS3 compliance plus the industrial temperature grade suit outdoor power-conversion enclosures.
Được đề xuất
Industrial Automation and Robotics
Factory automation nodes - joint servo drives, conveyor motor controllers, and actuator drivers - benefit from the DSPIC33CK512MP308T-I/PT's blend of DSP throughput and MCU-style peripherals. The 100 MHz core runs motion profiles and FOC loops concurrently, 512 KB dual-panel flash stores parametric profiles and field-upgradable firmware, and the op-amps plus 12-bit ADCs condition encoder and current feedback on-chip. Eight DMA channels keep UART/CAN-class communication streaming while control loops execute, supporting deterministic real-time behavior demanded by coordinated multi-axis industrial systems.
Được đề xuất
Battery Management and Charging Systems
Multi-cell battery chargers and BMS slave boards use the DSPIC33CK512MP308T-I/PT to run constant-current/constant-voltage charging state machines, cell balancing algorithms, and safety cutoffs. The 12-bit ADCs monitor cell voltages and shunt current with the resolution required for coulomb-style estimation, the integrated op-amps buffer sense lines, and high-resolution PWM controls synchronous buck/boost charge power stages. The 100 MHz core provides margin for real-time protection routines, and the industrial -I temperature grade covers typical charging-environment requirements.
Được đề xuất
Audio Signal Processing and DSP Systems
Fixed-point audio processing - active crossovers, speaker management, effects, and DSP-based amplifiers - maps well onto the dsPIC33CK's single-cycle MAC DSP engine and 16-bit fixed-point architecture. The 100 MHz core sustains multi-band IIR/FIR filtering at standard sample rates with latency headroom, the 12-bit ADC and PWM pair with external codecs for signal capture, and 512 KB dual-panel flash stores coefficient tables and multiple preset banks updated in the field. Deterministic interrupt behavior keeps audio buffers glitch-free in powered-speaker and installation-audio products.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33CK512MP308T-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 | DSPIC33CK512MP308T-H/PT | DSPIC33CK512MP308T-E/PT | DSPIC33CK512MP308-I/PT |
|---|---|---|---|---|
| Package | 80-TQFP (12x12 mm, 0.5 mm pitch) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Clock | 16-bit dsPIC33CK, 100 MHz | 16-bit dsPIC33CK, 100 MHz | 16-bit dsPIC33CK, 100 MHz | 16-bit dsPIC33CK, 100 MHz |
| Flash / RAM | 512 KB / 64 KB | 512 KB / 64 KB | 512 KB / 64 KB | 512 KB / 64 KB |
| DMA Channels | 8 | 8 | 8 | 8 |
| Temperature Grade | Industrial (-I) | -H grade (per Microchip USA listing) | Extended (-E, -40C to +125C) | Industrial (-I) |
| Integrated Peripherals | OpAmps, 12-bit ADCs, PWM | OpAmps, 12-bit ADCs, PWM - same | OpAmps, 12-bit ADCs, PWM - same | OpAmps, 12-bit ADCs, PWM - same |
| Packing | Tape & Reel (TR) | Tape & Reel | Tape & Reel | Tray/Tube |
Bảo phân biệt quan trọng
- 100 MHz single-core dsPIC33CK performance (vsDSPIC33CK512MP308T-H/PT)
- 512 KB dual-panel flash (vsDSPIC33CK256MP205-I/PT)
- Same-footprint extended-temperature option (vsDSPIC33CK512MP308T-E/PT)
Ghi chú thiết kế
The 80-TQFP uses a 0.5 mm lead pitch, so design fan-out vias at least 0.3 mm drill with dogbone stubs or via-in-pad to escape inner layers. Keep the VDD/VDDCORE decoupling network (per Microchip power-disaggregation guidance in the family datasheet) within 2 mm of each supply pin using 100 nF X7R ceramics plus bulk capacitance. Assign the ADC current-sense pins away from PWM-switching traces to minimize crosstalk into the 12-bit converter front end.
The dsPIC33CK core requires an integrated/regulation scheme for the core supply as documented in the family datasheet; verify whether the specific device variant regulates the core internally (via the VDDCORE capacitor) or requires an external 1.x V rail before finalizing the power tree. Undersized core-supply decoupling is a common root cause of spurious resets at 100 MHz operation with heavy DMA activity.
High-resolution PWM outputs driving inverter gates will ring if return paths are shared with analog sensing. Partition the 12x12 mm TQFP land pattern so PWM and gate-drive traces exit one quadrant and ADC/op-amp sense inputs exit the opposite quadrant. Use a solid ground plane beneath the device without splits under the ADC pins; the 12-bit converter's effective resolution degrades measurably with noisy grounds in motor-control layouts.
Do not assume the -I, -H, and -E temperature/speed grades are interchangeable without checking the electrical-frequency derating tables in the current Microchip datasheet; the -H grade is described by Microchip USA as qualified at 64 MHz operation, which differs from the -I variant's 100 MHz. Selecting a substitution purely on package and memory match risks underclocking or out-of-spec operation in the target application.
Thông tin tuân thủ
ROHS3 Compliant per Microchip USA product page. REACH, halogen-free, and conflict-minerals declarations are not stated in the provided distributor data.