DSPIC33CK128MC105-E/M7 - 16-bit 100MHz DSC 128KB Flash | Microchip
MPN: DSPIC33CK128MC105-E/M7 ✓ Hoạt độngDSPIC33CK128MC105-E/M7 Tóm tắt
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the power-management hierarchy of embedded systems, the DSC sits between general-purpose MCUs and full DSPs, making it the preferred class for closed-loop control loops such as field-oriented motor control, digital power conversion and high-speed sensing where multiply-accumulate operations execute in a single cycle.
Key features of this device include the single 100 MHz dsPIC DSC core with integrated DSP engine, on-chip operational amplifiers, a 12-bit ADC and a high-speed PWM module purpose-built for power conversion. The -E suffix denotes the extended operating temperature range, and the device belongs to Microchip's functional safety (FuSa) supported dsPIC33CK family, easing documentation for safety-oriented designs.
From an architecture standpoint, the dsPIC33CK core executes from Flash with an 8-bit program memory width organization and provides 39 general-purpose I/O. The 3.0V to 3.6V supply window aligns with standard 3.3V rails, allowing direct connection to typical industrial logic levels without level shifting. The integrated op-amps can buffer current-sense signals ahead of the ADC, reducing external component count in motor-drive and power-supply designs.
Typical applications include brushless DC and PMSM motor control, digital power supplies (LLC, totem-pole PFC), and industrial embedded control nodes. The high-resolution PWM and fast 12-bit ADC make the part especially suitable for peak-current-mode converters and sensorless FOC drives.
When designing with this device, budget decoupling on all VDD/VDDCORE pins and verify that the 100 MHz operation is achieved with the intended oscillator configuration, since clock setup directly affects PWM resolution and ADC sampling rates.
This page synthesizes distributor pricing from Mouser, DigiKey and LCSC, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33CK128MC105-E/M7 — 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 DSPIC33CK128MC105-E/M7 (cùng hình factor và footprint) — khác nhau ở Core, Functional Safety Support, Package, Temperature Grade.
DSPIC33CK128MC105-I/M7
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33CK128MC105-H/M7
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CK128MC105T-E/M7
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CK128MC105-E/M7 Tỷ lệ tối đa & tính chất điện
| Core | dsPIC33CK 16-bit DSC core |
| Tần số xung maksimum | 100 MHz |
| Program Memory Size | 128KB (128K x 8) Flash |
| Data RAM Size | 16KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Number of I/O | 39 |
| ADC Resolution | 12-bit |
| Integrated Peripherals | OpAmps, 12-bit ADC, high-speed PWM |
| Hộp | 48-VQFN (6x6 mm), M7 |
| Kiểu lắp đặt | Surface Mount |
| Temperature Grade | -E (extended temperature range) |
| Functional Safety Support | FuSa family (dsPIC33CK) |
| Product Family | dsPIC33CK128MC105 series |
| Technology | CMOS |
| Program Memory Type | Flash |
Hướng dẫn cấu hình chân DSPIC33CK128MC105-E/M7 48-vqfn (6x6 mm), m7
Cấu hình chân cho DSPIC33CK128MC105-E/M7 (48-vqfn (6x6 mm), m7 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 DSPIC33CK128MC105-E/M7.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
DSPIC33CK128MC105-E/M7 phù hợp cho 6 Áp dụngs: BLDC / PMSM Motor Control, Digital Power Supplies (LLC, PFC), Industrial Embedded Control Nodes, Automotive and Functional-Safety-Oriented Designs, Consumer Appliance Control, High-Performance Sensing and Signal Processing.
BLDC / PMSM Motor Control
The DSPIC33CK128MC105-E/M7 fits brushless DC and permanent-magnet synchronous motor drives because its 100 MHz dsPIC33CK core executes field-oriented control (FOC) loops with single-cycle DSP math, while the high-speed PWM module delivers the complementary drive waveforms with the resolution needed for low-torque-ripple commutation. The integrated 12-bit ADC samples phase currents and bus voltage synchronously with the PWM, and the on-chip operational amplifiers amplify shunt-resistor current-sense signals, reducing external BOM count. Placed as the single control IC on a 3.3V digital rail, it runs sensorless or encoder-based algorithms deterministically; the extended -E temperature grade tolerates the elevated ambient inside motor-drive enclosures where 100 MHz operation and fast PWM edges generate local heat.
Được đề xuất
Digital Power Supplies (LLC, PFC)
Digital power conversion is a primary target of the dsPIC33CK family, and the DSPIC33CK128MC105-E/M7 provides the classic digital-control recipe: a high-speed PWM for phase-shifted or interleaved switching, a fast 12-bit ADC for output-voltage and inductor-current feedback, and a 100 MHz core executing the compensator (PID/2P2Z) with cycle-accurate sampling. In an LLC converter or totem-pole PFC stage, the controller runs on a 3.3V rail and directly drives gate-driver ICs from its PWM outputs; the integrated op-amps condition current-shunt signals ahead of the ADC, saving an external amplifier stage. The closed-loop bandwidth achieved is limited mainly by ADC sampling rate and PWM resolution, both of which are configured in firmware without hardware changes.
Được đề xuất
Industrial Embedded Control Nodes
For general industrial control - pumps, fans, conveyors and actuators - the DSPIC33CK128MC105-E/M7 combines DSP throughput with MCU-style peripherals and 39 general-purpose I/O in a compact 48-VQFN footprint. The 3.0V to 3.6V supply connects directly to standard 3.3V industrial logic, and the extended -E temperature range suits control cabinets exposed to wide ambient swings. Deterministic PWM and ADC timing make it reliable for closed-loop speed and position control, while its Flash-based program memory (128KB) allows field firmware updates via communication interfaces. Because it belongs to Microchip's functional safety (FuSa) supported family, documentation required for safety-assessed industrial designs is available from the manufacturer, shortening qualification cycles for machinery applications.
Được đề xuất
Automotive and Functional-Safety-Oriented Designs
The DSPIC33CK128MC105-E/M7 belongs to the functional safety (FuSa) supported dsPIC33CK family, which means Microchip provides the safety documentation package - safety manual, FMEDA support and development collateral - needed for ISO 26262-oriented automotive designs. The extended temperature grade and 3.3V supply align with automotive 5V/3.3V electronic control unit architectures, and the high-speed PWM plus 12-bit ADC combination suits auxiliary motor control such as pumps, blowers and throttle actuators. Designers typically pair the controller with automotive-qualified gate drivers and transceivers; the deterministic single-core architecture simplifies the safety analysis compared with dual-core parts, while the 100 MHz core still provides the compute headroom for current-loop control at automotive PWM frequencies.
Được đề xuất
Consumer Appliance Control
Home appliances - compressor drives, fan motors, blenders and power tools - benefit from the DSPIC33CK128MC105-E/M7's integration level: one 48-VQFN controller replaces a separate MCU, op-amps and ADC front-end. The on-chip op-amps condition current-sense signals, the 12-bit ADC closes the control loop, and the high-speed PWM drives the inverter stage for sensorless trapezoidal or FOC commutation. The 128KB Flash accommodates user-interface code alongside the motor algorithm, and the compact 6x6 mm package fits tightly packed appliance PCBs. Running from a standard 3.3V rail, the device interfaces directly with touch-sensing or button matrices on the same board, and the DSP-class core leaves margin for simultaneous motor control and UI processing without a second processor.
Được đề xuất
High-Performance Sensing and Signal Processing
The DSP engine of the DSPIC33CK128MC105-E/M7 - hardware multiply-accumulate, DSP addressing modes - makes it effective for real-time signal processing tasks such as vibration monitoring, current-signature analysis and filter-based sensor conditioning. The 12-bit ADC provides the conversion front end, the integrated op-amps can amplify small sensor outputs, and the 100 MHz core runs FIR/IIR filters, FFT windows or RMS calculations with cycle-level determinism at a fraction of the cost of a standalone DSP. The 16KB RAM holds filter states and buffers for mid-size algorithms, and the 39 I/O pins connect directly to digital sensors and relays. For distributed industrial IoT nodes that compute locally and report over CAN or UART, this single-chip approach reduces BOM and firmware complexity.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33CK128MC105-E/M7 — 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 | DSPIC33CK128MC105-I/M7 | DSPIC33CK128MC105-H/M7 | DSPIC33CK128MC105T-E/M7 |
|---|---|---|---|---|
| Package | 48-VQFN (6x6 mm, M7) | 48-VQFN (6x6 mm, M7) - same | 48-VQFN (6x6 mm, M7) - same | 48-VQFN (6x6 mm, M7) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Clock | dsPIC33CK 16-bit, 100 MHz | dsPIC33CK 16-bit, 100 MHz | dsPIC33CK 16-bit, 100 MHz | dsPIC33CK 16-bit, 100 MHz |
| Flash Memory | 128KB (128K x 8) | 128KB (128K x 8) | 128KB (128K x 8) | 128KB (128K x 8) |
| RAM | 16KB | 16KB | 16KB | 16KB |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Temperature Grade | -E (extended) | -I (industrial) | -H (alternate grade) | -E (extended) |
| Packaging Option | Tray (M7 suffix) | Tray (M7 suffix) | Tray (M7 suffix) | Tape & Reel (T suffix) |
Bảo phân biệt quan trọng
- Extended temperature range availability (vsDSPIC33CK128MC105-I/M7)
- Tray packaging for prototyping and low-volume (vsDSPIC33CK128MC105T-E/M7)
- FuSa family support at 128KB density (vsDSPIC33CK128MC105-H/M7)
Ghi chú thiết kế
The DSPIC33CK128MC105-E/M7 runs from a 3.0V to 3.6V rail and contains an internal core regulator. Decouple every VDD and VDDCORE pin with low-ESR ceramic capacitors (typically 0.1uF per pin plus bulk capacitance) placed as close to the pins as possible; the internal regulator is sensitive to high-frequency impedance on VDDCORE. If the board is powered from a noisy 24V industrial bus, insert an LDO or ferrite-filtered 3.3V stage between the bus regulator and the controller to protect ADC accuracy and PWM jitter.
The 48-VQFN (6x6) package requires a solid ground plane and the exposed thermal pad soldered to a via-stitched ground pour for reliable grounding and heat spreading. Route high-speed PWM traces away from analog op-amp and ADC inputs; the 12-bit ADC front end is easily corrupted by gate-driver switching transients. Keep current-sense shunt routing Kelvin-connected to the op-amp inputs. The M7 VQFN land pattern follows the Microchip datasheet footprint - verify stencil apertures for the exposed pad to avoid voiding.
Do not assume pin-compatible substitution across dsPIC33CK families: only the same-family 48-pin M7 variants (-I/M7, -H/M7, -T-E/M7) are true drop-ins; larger 64/80-pin dsPIC33CK parts are not. Also confirm that your firmware clock configuration actually achieves 100 MHz - a misconfigured PLL can leave the core at a lower frequency with degraded PWM resolution, a common bring-up issue. Verify temperature grade: the -E part is required for extended-range environments; substituting the -I grade silently reduces thermal margin.
Thông tin tuân thủ
Verified web data does not include formal RoHS/REACH declarations for this exact ordering code. Authoritative compliance data is available on Microchip's product page under Quality & Packaging.
