DSPIC33CK128MP206-I/MR - 16-bit 100 MIPS DSC 128KB Flash | Microchip
MPN： DSPIC33CK128MP206-I/MR ✓ 啟用中DSPIC33CK128MP206-I/MR 概覽
A digital signal controller combines the deterministic control of a microcontroller with the mathematical throughput of a DSP. Within the power-management hierarchy of embedded systems, a DSC such as the dsPIC33CK family sits between a general-purpose MCU and a dedicated DSP, executing single-cycle MAC and DSP instructions that make closed-loop control algorithms such as field-oriented control (FOC) practical on a single chip.
Key features include the 100 MHz single-core dsPIC DSC engine with DSP instruction extensions, dual-panel Flash supporting live update firmware upgrades, integrated operational amplifiers, 12-bit ADCs, high-resolution PWM peripherals, and CAN Flexible Data (CAN FD) connectivity. The Flash ECC and memory built-in self-test (MBIST) target functional-safety (FuSa) designs.
Architecturally, the device uses a Modified Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The high-resolution PWM module provides fine edge placement resolution essential for switching power converters, while dual-partition Flash enables fault-tolerant in-field updates.
Typical applications include digital power supplies, brushless DC and PMSM motor control, advanced sensing, and industrial automation nodes requiring CAN FD networking.
Design consideration: the device operates from 3.0V to 3.6V, so regulate a 3.3V rail with adequate decoupling and exploit the exposed pad for ground return and thermal relief.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet. Pricing as of 2026-09-22.
直接替換替代品，適用於 DSPIC33CK128MP206-I/MR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC33CK128MP206-I/MR （相同外形與佔位） — 差異在於 Package, Operating Temperature, ADC, Data SRAM, Functional Safety Support.
DSPIC33CK256MP206-I/MR
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK64MP206-I/MR
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33CK32MP206-I/MR
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33CK128MP206-E/MR
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33CK128MP206-I/MR 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC33CK DSC, Modified Harvard |
| Maximum CPU Speed | 100 MIPS (100 MHz) |
| Program Flash | 128 KB (128K x 8) with ECC, dual partition |
| Data SRAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| 工作溫度 | -40C to +85C (I grade) |
| ADC | 12-bit |
| PWM | High-Resolution PWM |
| CAN | CAN FD (Flexible Data) |
| Integrated Op-Amps | Yes |
| DSP Instructions | Single-cycle MAC, DSP-enhanced |
| Functional Safety Support | FuSa (Flash ECC, MBIST) |
| 封裝 | 64-QFN (9x9 mm), exposed pad |
| 安裝類型 | Surface Mount |
| 腳位數 | 64 |
DSPIC33CK128MP206-I/MR 64-qfn (9x9 mm), exposed pad 腳位配置指南
DSPIC33CK128MP206-I/MR（64-qfn (9x9 mm), exposed pad 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33CK128MP206-I/MR.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33CK128MP206-I/MR 適用於 6 應用s: Digital Power Supplies, Brushless Motor Control (FOC), Automotive and Industrial CAN FD Networking Nodes, Advanced Sensing and Measurement, Industrial Automation and Control, Wireless and IoT Edge Control.
Digital Power Supplies
The DSPIC33CK128MP206-I/MR fits digital power conversion because its high-resolution PWM delivers fine duty-cycle and phase resolution for LLC, buck, boost, and totem-pole PFC topologies, while the 12-bit ADC is PWM-triggered for precisely synchronized current and voltage sampling. Operating at 100 MIPS with single-cycle MAC instructions, the dsPIC33CK core executes 3p3z compensators and cycle-by-cycle current limiting deterministically within each switching period. The integrated op-amps can amplify shunt signals internally, reducing external component count. Placed as the sole controller on the board, it runs from a clean 3.3V rail; the main trade-off versus a fixed-function controller is firmware development effort, repaid by field-updatable control laws via the dual-partition Flash with live update.
推薦
Brushless Motor Control (FOC)
Field-oriented control of PMSM and BLDC motors demands deterministic loop timing, which the 100 MIPS dsPIC33CK core of the DSPIC33CK128MP206-I/MR provides with single-cycle multiply-accumulate for Park/Clarke transforms and PI current loops. The high-resolution PWM generates three complementary gate-drive pairs with dead-time insertion, and the 12-bit ADC samples phase currents synchronized to PWM centers to avoid switching noise. Integrated op-amps condition low-side shunt signals without external amplifiers, and the 64-pin QFN supplies enough I/O for encoder or Hall interfaces plus CAN FD for networked drives. Microchip's motor-control libraries target this exact family, shortening time to a functioning FOC stack.
推薦
Automotive and Industrial CAN FD Networking Nodes
The CAN Flexible Data (CAN FD) controller integrated in the DSPIC33CK128MP206-I/MR supports payloads up to 64 bytes at higher bit rates than classical CAN, making the device suitable as a smart sensing or actuation node on industrial and vehicular networks. Combined with the 100 MIPS core, incoming frames can be parsed and responded to within tight timing windows, while the 128KB ECC-protected Flash and MBIST support functional-safety development workflows (FuSa). The 64-pin QFN offers ample I/O for local sensors and PWM actuators around the network interface. Designers should implement proper CAN transceiver isolation and follow Microchip's CAN FD application notes for bit-timing configuration.
推薦
Advanced Sensing and Measurement
The DSPIC33CK128MP206-I/MR serves advanced sensing applications by pairing its 12-bit ADC with the integrated operational amplifiers, allowing direct connection of low-level sensor signals such as shunts, thermistors, and bridge outputs with minimal external circuitry. The 100 MIPS DSP engine applies digital filtering - IIR/FIR, oversampling, and averaging - in real time, exploiting single-cycle MAC throughput. SRAM of 16KB buffers waveform captures for diagnostics, and results can be streamed over CAN FD or UART. Because the ADC can be triggered from the PWM timer, cyclic sampling of switched sensor front ends stays jitter-free. The main design consideration is keeping the 3.0V-3.6V supply clean to preserve ADC accuracy.
推薦
Industrial Automation and Control
In factory automation, the DSPIC33CK128MP206-I/MR acts as a deterministic control element driving actuators, interpreting encoder feedback, and exchanging commands over CAN FD with PLCs and drives. Its 100 MIPS core closes control loops in the tens-of-microseconds class, while the high-resolution PWM handles heater, valve, or small-motor power stages. The ECC-protected dual-partition Flash enables firmware updates on installed equipment without a service visit - critical for long-lifecycle industrial assets. The industrial temperature grade (-40C to +85C) matches cabinet and floor environments. Trade-off: as a DSC it lacks high-level connectivity like Ethernet, so it is best positioned as a satellite controller beneath a network master.
推薦
Wireless and IoT Edge Control
For IoT edge nodes that must perform local real-time control, the DSPIC33CK128MP206-I/MR provides the 100 MIPS processing muscle while a companion radio module handles connectivity. The DSC preprocesses sensor data - filtering, FFT feature extraction using DSP instructions - and offloads only compact results to the network, reducing radio duty cycle and system power. CAN FD and multiple UART/SPI/I2C ports integrate diverse peripherals, and the 64-pin QFN offers enough I/O for displays, keys, and power management around the node. Pairing with a low-power MCU for sleep-state housekeeping is a common architecture when battery life dominates; the trade-off is two-firmware coordination.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33CK128MP206-I/MR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSPIC33CK256MP206-I/MR | DSPIC33CK64MP206-I/MR | DSPIC33CK32MP206-I/MR | DSPIC33CK128MP206-E/MR |
|---|---|---|---|---|---|
| Package | 64-QFN (9x9) | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same | 64-QFN (9x9) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS |
| Program Flash | 128 KB (ECC, dual partition) | 256 KB (ECC, dual partition) | 64 KB | 32 KB | 128 KB |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +150C (E grade) |
| Key Peripherals | 12-bit ADC, Hi-Res PWM, CAN FD, Op-Amps | Same peripheral set | Same peripheral set | Same peripheral set | Same peripheral set |
主要差異化特點
- Largest Flash in the same 64-QFN footprint (對比DSPIC33CK64MP206-I/MR)
- Live-update capable dual-partition Flash (對比DSPIC33CK32MP206-I/MR)
- Extended-temperature upgrade without redesign (對比DSPIC33CK128MP206-E/MR)
設計說明
Supply the DSPIC33CK128MP206-I/MR from a regulated 3.3V rail within the 3.0V-3.6V datasheet window. Decouple every VDD/VDDCORE pin with 100 nF ceramic capacitors placed within 2 mm of the pin, plus bulk 10 uF near the package. The dsPIC33CK core draws transient current bursts during 100 MHz execution, so low-impedance, short ground returns are essential to avoid brown-out resets during Flash write operations.
The 64-QFN (9x9) exposed pad (EP) must be soldered to a grounded via-stitched copper pour - it is the primary ground and thermal path, not an option. For rework-friendly assembly, use an approximately 60-70% solder paste coverage grid on the EP pattern. Route high-resolution PWM outputs away from the 12-bit ADC traces to minimize coupling; keep ADC reference traces on a quiet island with dedicated decoupling.
Do not confuse temperature-grade suffixes: -I is -40C to +85C, -E extends to +150C per family documentation; using an I-grade part in a sealed motor-drive enclosure that exceeds 85C ambient risks field failures. Also, dual-partition live update requires correct boot partition configuration bits - misconfiguration can brick programming. Verify both settings against the Microchip programming specification during firmware sign-off.
When driving external MOSFET gate drivers from the high-resolution PWM outputs, keep each PWM trace short and paired with its complement to preserve dead-time integrity; long stubs add skew that erodes the fine edge resolution the HR-PWM module provides. For ADC front ends, place the anti-aliasing RC filter (e.g., 1 kOhm / 1 nF class, per your sampling rate) close to the input pin and reference the filter ground to the EP ground plane.
合規資訊
Compliance status not stated in the provided verified web data. Microchip standard product is typically RoHS-compliant, but per data authenticity rules this must be confirmed from the manufacturer product page before claim.
