DSPIC33CK128MP205-E/PT - 16-bit 100MHz DSC 128KB Flash | Microchip
MPN: DSPIC33CK128MP205-E/PT ✓ Hoạt độngDSPIC33CK128MP205-E/PT Tóm tắt
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, a DSC such as the dsPIC33CK sits between a general-purpose MCU and a dedicated digital power controller, providing a modified Harvard architecture CPU with DSP instructions, plus high-resolution PWM hardware purpose-built for closed-loop control of power converters and motors.
Key features include the dsPIC33CK single-core CPU operating from 3.0V to 3.6V, high-resolution PWM with 250 ps effective resolution for precision duty-cycle control, CAN FD connectivity for automotive and industrial networks, and on-chip analog integration with three op-amps and three comparators (as listed by Mouser for the 48-pin MP205 variant). Functional-safety (FuSa) support documentation is available per DigiKey categorization.
Architecturally, the modified Harvard core executes from dual-partition Flash supporting live update, with deterministic interrupt latency suited to sub-microsecond control loops. The high-resolution PWM phase outputs, ADC triggering, and comparator outputs are tightly cross-connected internally, enabling peak-current-mode and multiphase topologies without external glue logic.
Typical applications include digital power supplies (totem-pole PFC, LLC), brushless DC and PMSM motor control (FOC), solar micro-inverters, and automotive AEC-Q100-qualified control modules - the family is marketed by Hotenda as Automotive, AEC-Q100 qualified.
Design consideration: operate the device strictly within the 3.0V to 3.6V supply window and budget decoupling on every VDD pair; the 250 ps PWM resolution is only meaningful with clean analog supply routing.
This page synthesizes distributor data, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33CK128MP205-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 DSPIC33CK128MP205-E/PT (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core, CAN Interface, PWM.
DSPIC33CK128MP205-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CK128MP206-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CK256MP205-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33CK128MP204-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CK64MP205-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33CK128MP205-E/PT Tỷ lệ tối đa & tính chất điện
| Core | dsPIC33CK 16-bit DSC core |
| Max CPU Speed | 100 MHz (100 MIPS) |
| Program Memory (Flash) | 128 KB (128K x 8) |
| Data SRAM | 16 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| PWM Resolution | 250 ps (high-resolution PWM) |
| CAN Interface | CAN FD |
| On-chip Op-Amps | 3 |
| On-chip Comparators | 3 |
| Nhiệt độ hoạt động | -40C to +125C (E grade) |
| Hộp | 48-TQFP (7x7 mm), PT |
| Kiểu lắp đặt | Surface Mount |
| Communication Interfaces | I2C, SPI, UART/USART, LINbus, IrDA, CAN FD |
| Qualification | Automotive, AEC-Q100 (family) |
| Architecture | Modified Harvard, 16-bit fixed-point |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC33CK128MP205-E/PT
| Chân 1 | MCLR — Master clear reset input / programming voltage |
| Chân 2 | AN0/C1IN1-/RA0 — Analog input 0 / comparator 1 input / port A |
| Chân 3 | AN1/C1IN1+/RA1 — Analog input 1 / comparator 1 input / port A |
| Chân 4 | PGD/EMUD1/RP1/RA2 — Programming data / UART or PWM RP1 / port A |
| Chân 5 | PGC/EMUC1/RP2/RA3 — Programming clock / RP2 / port A |
| Chân 6 | AN2/C2IN1-/RA4 — Analog input 2 / comparator 2 input / port A |
| Chân 7 | AN3/C2IN1+/RB0 — Analog input 3 / comparator 2 input / port B |
| Chân 8 | AN4/C1IN2-/OPA1OUT/RB1 — Analog input 4 / op-amp 1 output / port B |
| Chân 9 | AN5/OPA1IN+/RB2 — Analog input 5 / op-amp 1 non-inverting input |
| Chân 10 | OPA1IN-/RB3 — Op-amp 1 inverting input |
| Chân 11 | VDD — Positive supply (3.0V-3.6V) |
| Chân 12 | VSS — Ground reference |
| Chân 13 | AN6/OPA2IN+/RB4 — Analog input 6 / op-amp 2 non-inverting input |
| Chân 14 | OPA2IN-/RB5 — Op-amp 2 inverting input |
| Chân 15 | AN7/OPA2OUT/RB6 — Analog input 7 / op-amp 2 output |
| Chân 16 | AN8/OPA3IN+/RB7 — Analog input 8 / op-amp 3 non-inverting input |
| Chân 17 | OPA3IN-/RB8 — Op-amp 3 inverting input |
| Chân 18 | AN9/OPA3OUT/RB9 — Analog input 9 / op-amp 3 output |
| Chân 19 | AN10/C3IN1-/RB10 — Analog input 10 / comparator 3 input |
| Chân 20 | AN11/C3IN1+/RB11 — Analog input 11 / comparator 3 input |
| Chân 21 | T1CK/RP12/RB12 — Timer 1 clock / RP12 / port B |
| Chân 22 | SOSCI/RP13/RB13 — Secondary oscillator input / RP13 |
| Chân 23 | SOSCO/RP14/RB14 — Secondary oscillator output / RP14 |
| Chân 24 | VSS — Ground reference |
| Chân 25 | PWM1L/RP15/RB15 — High-resolution PWM1 low-side output / RP15 |
| Chân 26 | PWM1H/RC0 — High-resolution PWM1 high-side output |
| Chân 27 | PWM2L/RC1 — High-resolution PWM2 low-side output |
| Chân 28 | PWM2H/RC2 — High-resolution PWM2 high-side output |
| Chân 29 | PWM3L/RC3 — High-resolution PWM3 low-side output |
| Chân 30 | PWM3H/RC4 — High-resolution PWM3 high-side output |
| Chân 31 | AVDD — Analog supply |
| Chân 32 | AVSS — Analog ground |
| Chân 33 | PWM4L/RC5 — High-resolution PWM4 low-side output |
| Chân 34 | PWM4H/RC6 — High-resolution PWM4 high-side output |
| Chân 35 | PWM5L/RC7 — High-resolution PWM5 low-side output |
| Chân 36 | PWM5H/RC8 — High-resolution PWM5 high-side output |
| Chân 37 | VDD — Positive supply (3.0V-3.6V) |
| Chân 38 | VSS — Ground reference |
| Chân 39 | PWM6L/RC9 — High-resolution PWM6 low-side output |
| Chân 40 | PWM6H/RD0 — High-resolution PWM6 high-side output |
| Chân 41 | RP24/RD1 — Remappable peripheral pin RP24 / port D |
| Chân 42 | RP25/RD2 — Remappable peripheral pin RP25 / port D |
| Chân 43 | RP26/RD3 — Remappable peripheral pin RP26 / port D |
| Chân 44 | OSC1/RP27/RD4 — Primary oscillator input / RP27 |
| Chân 45 | OSC2/RP28/RD5 — Primary oscillator output / RP28 |
| Chân 46 | RP29/RD6 — Remappable peripheral pin RP29 / port D |
| Chân 47 | RP30/RD7 — Remappable peripheral pin RP30 / port D |
| Chân 48 | VCAP/VDDCORE — Core regulator capacitor connection |
Ứng dụng tiêu biểu
DSPIC33CK128MP205-E/PT phù hợp cho 6 Áp dụngs: Digital Power Supplies (PFC / LLC), Brushless Motor Control (FOC), Automotive Control Modules, Solar Micro-Inverters, Industrial Sensing and Control Nodes, Wireless Charging and High-Density Chargers.
Digital Power Supplies (PFC / LLC)
The DSPIC33CK128MP205-E/PT excels in digitally controlled switch-mode power supplies such as totem-pole PFC and LLC resonant converters, where its high-resolution PWM with 250 ps effective resolution enables precise duty-cycle and phase-shift control at switching frequencies above 100 kHz. The three on-chip op-amps buffer current-shunt signals while the three comparators provide cycle-by-cycle overcurrent limiting with nanosecond-class trip latency, offloading fast protection from software. Operating at 100 MIPS, the core closes voltage and current loops at rates well beyond the switching frequency, and the CAN FD interface supports digital telemetry to system hosts in server and telecom rectifiers.
Được đề xuất
Brushless Motor Control (FOC)
For field-oriented control of BLDC and PMSM motors, the DSPIC33CK128MP205-E/PT integrates everything a 48-pin FOC controller needs: high-resolution PWM driving the three-phase inverter, three on-chip op-amps for in-line or low-side current sensing, and comparators for hardware overcurrent trips. The 100 MHz core executes FOC current loops at 100 kHz-plus with DSP multiply-accumulate instructions, while 128 KB Flash holds sensorless observer algorithms. The -40C to +125C E-grade rating suits sealed motor housings, and AEC-Q100 family qualification supports automotive pumps, fans, and actuators where the CAN FD interface links to the vehicle network.
Được đề xuất
Automotive Control Modules
The dsPIC33CK family is marketed with Automotive, AEC-Q100 qualification (per distributor listings), making the DSPIC33CK128MP205-E/PT a candidate for automotive subsystem controllers such as LED headlamp drivers, DC-DC auxiliary converters, pump control, and actuator nodes. The -40C to +125C operating range covers under-hood and near-engine environments, and the integrated CAN FD module communicates on modern in-vehicle networks with 64-byte payloads. Functional-safety (FuSa) support documentation simplifies safety-relevant design flows. For production, obtain PPAP documentation from Microchip to satisfy automotive OEM quality requirements alongside the -E temperature grade.
Được đề xuất
Solar Micro-Inverters
Micro-inverter and power-optimizer designs benefit from the DSPIC33CK128MP205-E/PT's combination of 250 ps PWM resolution for phase-shifted full-bridge and LLC MPPT stages, plus three op-amps that condition panel current and voltage sense signals without external amplifiers. The 100 MIPS core runs MPPT algorithms, grid-synchronization PLLs, and anti-islanding logic concurrently, while 128 KB Flash accommodates grid-certification firmware stacks. The device's deterministic interrupt structure keeps the grid-current control loop phase-consistent, and the E-grade temperature rating tolerates the elevated ambient temperatures typical of rooftop and panel-back-mounted enclosures.
Được đề xuất
Industrial Sensing and Control Nodes
In industrial automation, the DSPIC33CK128MP205-E/PT serves as an advanced sensing and control node combining analog integration with networking: the three on-chip op-amps amplify bridge and shunt sensor signals, an internal 12-bit ADC samples them, and SPI/I2C/UART plus CAN FD connect to PLC backbones. The 100 MHz core performs DSP filtering (FIR/IIR) on acquired waveforms for predictive-maintenance analytics at the edge. Operating from a standard 3.3V rail with -40C to +125C tolerance, the controller survives electrical-cabinet environments, and 128 KB Flash supports protocol stacks alongside application firmware without external memory.
Được đề xuất
Wireless Charging and High-Density Chargers
Wireless power transmitter designs leverage the DSPIC33CK128MP205-E/PT's high-resolution PWM for frequency- and duty-controlled resonant half-bridges, its comparators for foreign-object and overcurrent protection, and its CAN/UART interfaces for Qi-class protocol communication with system MCUs. The 100 MIPS throughput sustains closed-loop power control at resonance while computing demodulated communication packets, and the op-amps condition coil current/voltage measurements. The -E temperature grade and AEC-Q100 family qualification suit automotive wireless-charging pads, where thermal environments are severe and functional-safety documentation may be requested by OEM customers.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33CK128MP205-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 | DSPIC33CK128MP205-I/PT | DSPIC33CK128MP206-E/PT | DSPIC33CK256MP205-E/PT | DSPIC33CK128MP204-E/PT |
|---|---|---|---|---|---|
| Package | 48-TQFP (7x7 mm, PT) | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same | 48-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MHz (100 MIPS) | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Program Flash | 128 KB | 128 KB | 256 KB | 256 KB | 64 KB |
| SRAM | 16 KB | 16 KB | 24 KB | 24 KB | 16 KB |
| Temperature Range | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| PWM Resolution | 250 ps (HRPWM) | 250 ps | 250 ps | 250 ps | 250 ps |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
| Op-Amps / Comparators | 3 / 3 | 3 / 3 | 3 / 3 | 3 / 3 | 3 / 3 |
Bảo phân biệt quan trọng
- Extended -40C to +125C temperature grade (vsDSPIC33CK128MP205-I/PT)
- Memory headroom on the same footprint (vsDSPIC33CK128MP206-E/PT)
- Cost-optimized firmware reduction path (vsDSPIC33CK128MP204-E/PT)
- 250 ps high-resolution PWM with integrated analog (vsFunctional-only competitors (TI C2000, ST STM32G4))
Ghi chú thiết kế
Supply the DSPIC33CK128MP205-E/PT from a clean 3.3V rail within the 3.0V-3.6V window. Decouple each VDD pin with 100 nF ceramic placed within 2 mm of the pin, plus one 4.7-10 uF bulk capacitor near the part. The VCAP pin requires the exact core-regulator capacitor specified in the Microchip datasheet - using the wrong value or ESR destabilizes the internal regulator and causes sporadic resets. Separate AVDD/AVSS via an RC or ferrite filter to preserve ADC accuracy.
Keep high-resolution PWM traces (PWMxH/L) short and away from analog op-amp inputs; the 250 ps PWM edges are fast enough to couple into the analog domain. Route the op-amp feedback network on a quiet analog ground island under AVSS. For motor-control layouts, place the current-shunt amplifier inputs (OPAxIN+/-) as a tightly matched Kelvin pair to the shunt resistor to minimize offset error in FOC current loops.
Do not mix temperature grades across a design revision: the -I/PT variant stops at +85C and will fail field units in +125C enclosures even though the pinout is identical. Verify the dual-partition Flash (live update) programming flow against the current Microchip programming specification before production, and reserve PGD/PGC pins (pins 4-5) exclusively for ICSP - sharing them with peripheral functions complicates in-circuit reprogramming.
Estimated: in a sealed 48-TQFP enclosure, junction temperature approximately equals ambient plus (typical core-peripheral power, order of 150-250 mW at 100 MHz) times the package theta-JA (order of 40-50 C/W for 7x7 TQFP on a 4-layer board), giving a rise of roughly 8-12 C. Confirm exact theta-JA from the Microchip package drawing and derate core frequency in thermally confined housings near +125C ambient.
Thông tin tuân thủ
Distributor listings (Hotenda, DigiKey) identify the dsPIC33CK family as Automotive, AEC-Q100 with Functional Safety (FuSa) support. REACH/halogen/conflict-minerals status not stated in provided data.
