DSPIC33CK256MC102-E/M6 - 16-bit DSC 100MIPS | Microchip
料号： DSPIC33CK256MC102-E/M6 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.83 | $1.83 |
| 10 | $1.66 | $16.60 |
| 100 | $1.48 | $148.00 |
| 500 | $1.31 | $655.00 |
| 1,000 | $1.16 | $1,160.00 |
DSPIC33CK256MC102-E/M6 概述
A Digital Signal Controller combines the computational architecture of a digital signal processor - single-cycle multiply-accumulate, DSP instruction set, dual operand fetch - with the peripherals and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33CK family sits between general-purpose MCUs and dedicated DSPs, targeting real-time closed-loop control such as Field-Oriented Control (FOC) of motors and digital power conversion.
Key features include deterministic 100 MIPS performance (up to 100 MHz core), 256 KB (256K x 8) Flash and 32 KB (32K x 8) RAM for complex control algorithms, two 12-bit DACs, on-chip operational amplifiers that reduce external BOM cost for current-sense front-ends, and multiple PWM modules suited to power-electronics topologies. DigiKey also lists the device as Functional Safety (FuSa) supported.
Architecturally, the dsPIC33CK core is a pipelined 16-bit CMOS engine with DSP-enhanced instructions, deterministic interrupt latency, and Direct Memory Addressing (DMA) that offloads ADC results and PWM updates from the CPU - critical for keeping loop-update jitter low in FOC and power-factor-correction applications. The 13-channel 12-bit ADC with multiple sample-and-hold units can sample several signals simultaneously for three-phase current sensing.
Typical applications include brushless DC and PMSM motor control, digital SMPS/LLC converters, solar micro-inverters, and high-performance embedded sensing. The integrated op-amps and 12-bit ADC/DAC make it especially cost-effective in compact, analog-intensive control boards.
Design consideration: the device operates from a 3.0 V to 3.6 V supply; provide low-ESR decoupling on each VDD pin and verify flash endurance/writes against the manufacturer datasheet for your end-of-life write budget.
This page synthesizes distributor pricing, drop-in same-package alternatives from the dsPIC33CK family, and practical design notes not consolidated in the manufacturer datasheet. Pricing as of 2026-09-22.
直接替换替代料： DSPIC33CK256MC102-E/M6 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： DSPIC33CK256MC102-E/M6 （相同外形与封装尺寸） ——差异在于 Core, Package, ADC Resolution, Operating Temperature, PWM.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CK256MC102-I/M6
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CK128MC102-I/M6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK64MC102-I/M6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.42 / 个
查看数据手册 →DSPIC33CK32MC102-I/M6
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.18 / 个
查看数据手册 →DSPIC33CK256MC202-E/M6
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK256MC102-E/M6 最大额定值与电气特性
| Core | dsPIC33CK 16-bit DSC |
| Maximum Speed | 100 MIPS (100 MHz core) |
| Program Memory (Flash) | 256 KB (256K x 8) |
| RAM | 32 KB (32K x 8) |
| Operating Voltage | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| ADC Resolution | 12-bit SAR |
| ADC Channels | 13 |
| DAC | 2 x 12-bit |
| On-chip Op-Amps | Yes |
| PWM | High-resolution PWM modules |
| 封装 | 28-UQFN (4x4 mm) |
| 工作温度 | -40C to +125C (E grade) |
| 安装类型 | Surface Mount |
| Functional Safety | FuSa package available per DigiKey listing |
DSPIC33CK256MC102-E/M6 引脚配置
| 引脚 1 | MCLR — Master clear reset input / programming voltage |
| 引脚 2 | AN0 — Analog input channel 0 / GPIO |
| 引脚 3 | AN1 — Analog input channel 1 / GPIO |
| 引脚 4 | AN2 — Analog input channel 2 / GPIO |
| 引脚 5 | AN3 — Analog input channel 3 / GPIO |
| 引脚 6 | AN4 — Analog input channel 4 / GPIO |
| 引脚 7 | VDD — Power supply (3.0 V to 3.6 V) |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | OSC1/CLKI — External crystal oscillator input / clock input |
| 引脚 10 | OSC2/CLKO — Crystal oscillator output / clock output |
| 引脚 11 | AN5 — Analog input channel 5 / GPIO (remappable peripheral) |
| 引脚 12 | AN6 — Analog input channel 6 / GPIO (remappable peripheral) |
| 引脚 13 | AN7 — Analog input channel 7 / GPIO (remappable peripheral) |
| 引脚 14 | VDD — Power supply (3.0 V to 3.6 V) |
| 引脚 15 | VSS — Ground reference |
| 引脚 16 | PGD — In-circuit serial programming data / GPIO |
| 引脚 17 | PGC — In-circuit serial programming clock / GPIO |
| 引脚 18 | GPIO (RPn) — Remappable peripheral pin / GPIO |
| 引脚 19 | GPIO (RPn) — Remappable peripheral pin / GPIO |
| 引脚 20 | GPIO (RPn) — Remappable peripheral pin / GPIO |
| 引脚 21 | OPA0_IN+ — Op-amp 0 non-inverting input / analog / GPIO |
| 引脚 22 | OPA0_IN- — Op-amp 0 inverting input / analog / GPIO |
| 引脚 23 | OPA0_OUT — Op-amp 0 output / analog / GPIO |
| 引脚 24 | DAC1 — 12-bit DAC channel 1 output / GPIO |
| 引脚 25 | DAC2 — 12-bit DAC channel 2 output / GPIO |
| 引脚 26 | GPIO (RPn) — Remappable peripheral pin / GPIO |
| 引脚 27 | VDD — Power supply (3.0 V to 3.6 V) |
| 引脚 28 | VSS — Ground reference |
典型应用
DSPIC33CK256MC102-E/M6 适用于 6 应用s: Brushless DC / PMSM Motor Control, Digital Power Conversion (LLC, PFC, Totem-Pole), Solar Micro-Inverters and MPPT, Precision Analog Sensing Front-End, E-bikes, Power Tools, and Light Electric Vehicles, General Embedded DSP and Industrial Automation.
Brushless DC / PMSM Motor Control
The DSPIC33CK256MC102-E/M6 is optimized for Field-Oriented Control (FOC) of BLDC and PMSM motors. Its 100 MIPS dsPIC33CK core executes the Clarke/Park transforms and current-loop PI control deterministically at high PWM frequencies, while the high-resolution PWM modules generate complementary gate-drive signals with dead-time insertion. The 13-channel 12-bit SAR ADC with multiple sample-and-hold units samples phase currents and bus voltage near-simultaneously, and the integrated op-amps amplify shunt-resistor signals, removing external amplifier ICs from the board. In a typical three-phase inverter, the DSC sits between a 3.3 V logic rail and the gate-driver inputs, closing current loops at tens of kHz update rates with DMA moving ADC results without CPU intervention. The 256 KB Flash accommodates full FOC firmware, commutation tables, and a bootloadable field-update partition.
推荐
Digital Power Conversion (LLC, PFC, Totem-Pole)
For digital switched-mode power supplies - LLC resonant converters, boost PFC stages, and totem-pole bridgeless topologies - the DSPIC33CK256MC102-E/M6 provides the deterministic control bandwidth required. The 100 MIPS core runs voltage- and current-loop compensators at switching frequencies well above 100 kHz, while high-resolution PWM achieves sub-nanosecond effective duty-cycle resolution for frequency- and phase-shift control of resonant stages. The 12-bit ADC monitors input/output voltage and current for cycle-by-cycle protection, and the two 12-bit DACs can generate precise reference ramps. Running from a 3.0-3.6 V supply, the controller interfaces with gate drivers through its 21 remappable I/O pins. The -40C to +125C E-grade rating covers thermally constrained power-supply environments, and DMA offloads sampling so interrupt jitter stays minimal for stable closed-loop behavior.
推荐
Solar Micro-Inverters and MPPT
Grid-tied micro-inverters require simultaneous maximum-power-point tracking (MPPT) and inverter control, a workload matched to the DSPIC33CK256MC102-E/M6's architecture. The 12-bit 13-channel ADC samples panel voltage/current plus grid feedback signals, the DSP core executes MPPT algorithms (perturb-and-observe or incremental conductance) alongside the inverter current loop at 100 MIPS, and high-resolution PWM synthesizes the switching waveforms for the DC-DC boost and DC-AC stages. The two 12-bit DACs support reference generation for analog protection comparators. The 256 KB Flash holds control firmware plus grid-compliance routines, and the 32 KB RAM supports filtering buffers without external memory. The extended -40C to +125C temperature rating suits rooftop enclosures where ambient temperatures and self-heating combine, ensuring continuous operation without derating the control loop.
推荐
Precision Analog Sensing Front-End
The DSPIC33CK256MC102-E/M6 consolidates an entire signal chain: on-chip operational amplifiers condition low-level sensor signals, the 13-channel 12-bit SAR ADC digitizes them, and the 100 MIPS DSP engine applies digital filtering - all in a single 4x4 mm UQFN. This makes it attractive for industrial transmitters, weigh scales, and battery-monitoring nodes where board space and BOM count dominate. The two 12-bit DACs can bias sensor bridges or output control setpoints directly. With 21 remappable I/O pins, the device also handles digital interfaces (UART, SPI, I2C) to the system host without a second controller. The -40C to +125C E-grade qualification supports outdoor and under-hood sensing installations, and 256 KB Flash leaves room for calibration tables and self-test diagnostics required in Functional Safety (FuSa) oriented designs.
推荐
E-bikes, Power Tools, and Light Electric Vehicles
Compact traction applications - e-bike hub motors, cordless power tools, and light electric vehicle auxiliary drives - need high control performance in a small, thermally robust package, which is exactly the DSPIC33CK256MC102-E/M6 profile. The 100 MIPS core runs sensorless or sensored FOC at high loop rates for smooth torque delivery, high-resolution PWM supports 20 kHz+ inverter switching for quiet operation, and the integrated op-amps with the 12-bit ADC form a low-latency current-sense chain from a single low-side shunt per phase. The -40C to +125C E-grade temperature rating tolerates sealed motor-controller enclosures. The 256 KB Flash supports field firmware updates over CAN/UART for fleet maintenance, and the 28-UQFN (4x4 mm) footprint fits densely populated control PCBs stacked next to power stages in handlebar or grip-integrated housings.
推荐
General Embedded DSP and Industrial Automation
Beyond power electronics, the DSPIC33CK256MC102-E/M6 serves as a general high-performance 16-bit embedded controller: deterministic 100 MIPS execution, hardware DSP instructions for FFT and filtering, and a C-friendly compiler toolchain (MPLAB X + XC16) shorten development time versus configuring a discrete DSP. Typical automation uses include encoder interpolation, vibration analysis, ultrasonic sensing, and intelligent actuator control, where its DMA keeps sampling pipelines running while the CPU processes algorithms. The 21 I/O pins with Peripheral Pin Select let designers route UART/SPI/I2C/PWM to any pin, simplifying PCB layout revisions. FuSa support noted in DigiKey's listing assists functional-safety assessments in industrial equipment. The 32 KB RAM holds sizeable lookup tables and communication stacks, and the -40C to +125C rating covers factory-floor cabinets without forced-air cooling.
推荐
推荐产品汇总
工程参考数据： DSPIC33CK256MC102-E/M6 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | DSPIC33CK256MC102-I/M6 | DSPIC33CK128MC102-I/M6 | DSPIC33CK64MC102-I/M6 | DSPIC33CK32MC102-I/M6 | DSPIC33CK256MC202-E/M6 |
|---|---|---|---|---|---|---|
| Package | 28-UQFN (4x4 mm) | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MIPS (100 MHz) | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS |
| Flash Memory | 256 KB | 256 KB | 128 KB | 64 KB | 32 KB | 256 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| ADC | 13-ch 12-bit SAR | 13-ch 12-bit SAR | 12-bit SAR (fewer analog channels) |
关键差异点
- Extended -40C to +125C temperature grade （对比 DSPIC33CK256MC102-I/M6)
- Maximum 256 KB Flash in the family footprint （对比 DSPIC33CK128MC102-I/M6)
- Analog-integrated peripheral mix with on-chip op-amps （对比 DSPIC33CK256MC202-E/M6)
设计说明
Supply the DSPIC33CK256MC102-E/M6 from a clean 3.0-3.6 V rail (3.3 V nominal). Place a 10 uF bulk ceramic plus 0.1 uF ceramic directly at each VDD pin of the 28-UQFN, with the ground return on a solid plane tied to each VSS pin. ADC accuracy and on-chip op-amp performance degrade with supply ripple, so if the 3.3 V rail comes from a buck converter, add an LC filter or ferrite bead before the analog supply connection. Estimated: a 100 MIPS core drawing tens of milliamps plus I/O loads fits comfortably in a typical 150-300 mA LDO budget.
The 28-UQFN (4x4 mm) has a 0.4-0.5 mm pitch land pattern; follow the Microchip layout appnote recommended for UQFN packages. Use the exposed die-attach region for multiple via stitching to the ground plane to lower thermal resistance and improve EMI. Keep the crystal loop (OSC1/OSC2) compact with guard ground, and route ADC/op-amp traces away from PWM outputs and gate-driver lines to prevent switching noise coupling into the 12-bit SAR ADC front-end.
Two frequent mistakes: (1) using the I-grade DSPIC33CK256MC102-I/M6 as a substitute for this E-grade part in enclosures approaching +85C ambient - junction self-heating can push it past the industrial rating; always compute worst-case Tj before substituting. (2) Omitting MCLR pull-up and ICSP programming access - reserve the PGD/PGC pins for in-circuit debugging in the first layout revision. Also verify Peripheral Pin Select mappings early, since remappable pins are constrained per datasheet tables.
合规信息
Compliance statuses were not explicitly stated in the retrieved distributor data and must be confirmed on the Microchip product page or distributor certificate of conformity. Microchip general-purpose DSCs are typically RoHS-compliant, but this must be verified per Data Authenticity Rules.
