DSPIC33CK128MC106-I/PT - 16-bit DSC 128KB Flash 64-TQFP | Microchip
料号： DSPIC33CK128MC106-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.86 | $2.86 |
| 10 | $2.61 | $26.10 |
| 100 | $2.34 | $234.00 |
| 500 | $2.2 | $1,100.00 |
| 1,000 | $2.05 | $2,050.00 |
DSPIC33CK128MC106-I/PT 概述
A digital signal controller combines the compute architecture of a microcontroller with the mathematical throughput of a digital signal processor. In the power-management hierarchy, a DSC sits above general-purpose MCUs for control-loop-intensive tasks: it executes a complete current-loop compensation cycle in a single PWM period, which is the defining requirement of modern digital power conversion and motor control. The dsPIC33CK family is Microchip's single-core, 16-bit DSC generation built for exactly these closed-loop workloads.
Key differentiating features include the 100 MIPS single-core CPU with DSP engine (single-cycle MAC, 40-bit accumulator, barrel shifter), 128KB of Flash with live self-programming, a 12-bit 3.5 Msps ADC supporting multiple simultaneous sampling channels, on-chip op amps that eliminate external signal-conditioning stages, and high-resolution PWM peripherals with dedicated time base for phase-shifted and complementary converter topologies. On-chip CAN FD enables in-vehicle and industrial bus connectivity at data rates beyond classic CAN.
Architecturally, the dsPIC33CK core uses a modified Harvard pipeline with zero-overhead loops and hardware division support, letting control firmware sustain FOC (field-oriented control) or average-current-mode loops at tens of kHz without CPU starvation. The peripheral Trigger and Interrupt routing system ties ADC sampling directly to PWM event timing, producing deterministic, low-jitter control loops.
Typical applications include brushless DC and PMSM motor drives for industrial automation, digitally controlled AC-DC and DC-DC power supplies, automotive and industrial CAN FD nodes, and power-factor-correction stages. The combination of fast ADC, flexible PWM, and on-chip amplification makes a single DSPIC33CK128MC106-I/PT sufficient for an entire digital power control stage.
A key design consideration is temperature grade selection: the -I suffix specifies -40C to +125C operation; use the -E or automotive-grade -H variants for harsher environments. Decouple VDD/VDDCORE rails per the manufacturer datasheet and route PWM traces away from analog ADC inputs.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with prices as of 2026-09-22.
直接替换替代料： DSPIC33CK128MC106-I/PT ——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： DSPIC33CK128MC106-I/PT （相同外形与封装尺寸） ——差异在于 PWM, Package, ADC Resolution, Operating Temperature, Core.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CK128MC106-E/PT
✅ 直接替换✓ 有现货
$4.2 / 个
查看数据手册 →DSPIC33CK256MC106-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK64MC106-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK128MC105-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.48 / 个
查看数据手册 →DSPIC33CK128MC106-H/PT
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CK128MC106-I/PT 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC DSC, single core |
| Core Speed | 100 MIPS |
| Flash Program Memory | 128KB (128K x 8) |
| Data Memory (RAM) | 16KB |
| ADC Resolution | 12-bit |
| ADC Sample Rate | 3.5 Msps |
| PWM | High-speed PWM |
| Communication Interfaces | CAN FD, UART, SPI, I2C |
| On-chip Op Amps | Yes |
| 工作温度 | -40C to +125C (industrial, -I grade) |
| 封装 | 64-TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| Programmability | ICSP via PGECx/PGEDx pairs |
| DSP Engine | Single-cycle MAC, 40-bit accumulator |
| RoHS 状态 | Compliant |
| 生命周期状态 | Active |
DSPIC33CK128MC106-I/PT 64-tqfp (10x10 mm) 引脚配置指南
DSPIC33CK128MC106-I/PT（64-tqfp (10x10 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： DSPIC33CK128MC106-I/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33CK128MC106-I/PT 适用于 6 应用s: BLDC / PMSM Motor Control, Digital Power Conversion (AC-DC / DC-DC), Automotive CAN FD Nodes, Power Factor Correction (PFC) Stages, Industrial Sensing and Edge Control, Robotics and Servo Drives.
BLDC / PMSM Motor Control
The DSPIC33CK128MC106-I/PT fits brushless DC and PMSM drives because its 100 MIPS core executes field-oriented control inner loops at 20-50 kHz while the high-speed PWM generates complementary gate signals with hardware dead-time insertion. The 12-bit ADC samples phase currents synchronized to PWM events, minimizing ripple-induced measurement error, and on-chip op amps amplify low-side shunt signals without external amplifiers. Placed as the single digital controller between gate drivers and the CAN FD or UART supervisory bus, it delivers deterministic control latency; the trade-off versus dual-core dsPIC33CH parts is that communication and control share one core.
推荐
Digital Power Conversion (AC-DC / DC-DC)
In digitally controlled power supplies, the DSPIC33CK128MC106-I/PT implements average-current-mode or voltage-mode loops using its dedicated high-speed PWM with phase-shifted outputs for full-bridge and LLC topologies. The 3.5 Msps 12-bit ADC samples output voltage and inductor current once per switching cycle, and the 100 MIPS DSP engine with single-cycle MAC sustains compensation math without cycle stealing. On-chip op amps condition current-shunt signals internally, reducing component count. The CAN FD or UART interface enables PMBus-style telemetry to a system host, and programmable fault protection trips PWM outputs within one clock cycle on overcurrent events.
推荐
Automotive CAN FD Nodes
The integrated CAN Flexible Data-Rate module makes the DSPIC33CK128MC106-I/PT well suited to automotive and industrial bus nodes that also perform local control, such as electric power steering assist logic, pump drives, and thermal-management actuators. CAN FD carries 64-byte payloads at faster data phases than classic CAN, and the 100 MIPS core handles both the protocol stack and a control loop concurrently. For harsh under-hood environments, select the AEC-Q100 qualified DSPIC33CK128MC106-H/PT variant rated to +150C. An external CAN transceiver with proper bus termination completes the physical layer.
推荐
Power Factor Correction (PFC) Stages
The DSPIC33CK128MC106-I/PT suits boost-PFC and bridgeless-totem-pole-PFC controllers because high-resolution PWM phase control and fast ADC sampling align the inductor-current waveform to line voltage with low THD. The 100 MIPS core runs notch filtering and feedforward compensation in real time, while on-chip op amps buffer current-shunt and AC-line sensing signals. Hardware comparators provide cycle-by-cycle overcurrent limiting independent of software. Running the PFC loop on the same controller as a downstream DC-DC converter stage permits coordinated soft-start and fault propagation through internal signals rather than external wiring.
推荐
Industrial Sensing and Edge Control
With a 12-bit ADC, on-chip op amps, SPI and I2C peripherals, the DSPIC33CK128MC106-I/PT serves as a smart sensor front end and local actuator controller in factory automation. The op amps amplify sensor outputs such as pressure bridges or thermocouple-conditioned signals before ADC conversion, and the DSP engine applies digital filtering in real time. The 64-TQFP (10x10 mm) package provides enough GPIO for multiplexed sensor channels, while the UART links to a gateway PLC node. Its -40C to +125C industrial temperature rating supports sealed enclosures and panel-mounted electronics without derating.
推荐
Robotics and Servo Drives
Robot joint servo drives benefit from the DSPIC33CK128MC106-I/PT combination of fast current-loop sampling, encoder interface capability via its capture/QEI peripherals, and CAN FD connectivity to the robot controller. The 100 MIPS core cascades position, velocity, and current control loops at kHz rates with deterministic timing, and the high-speed PWM drives H-bridges or three-phase inverters with precise dead-time. On-chip op amps condition dual-shunt current sensing, and the -40C to +125C industrial grade tolerates enclosed actuator thermal rise. The 128KB Flash stores trajectory interpolation tables and drive firmware with headroom for field updates.
推荐
推荐产品汇总
工程参考数据： DSPIC33CK128MC106-I/PT ——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 | DSPIC33CK128MC106-E/PT | DSPIC33CK256MC106-I/PT | DSPIC33CK64MC106-I/PT | DSPIC33CK128MC106-H/PT |
|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128KB | 128KB | 256KB | 64KB | 128KB |
| RAM | 16KB | 16KB | 16KB | 16KB | 16KB |
| Core Speed | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS | 100 MIPS |
| Operating Temperature | -40C to +125C | -40C to +150C (extended) | -40C to +125C | -40C to +125C | -40C to +150C (automotive, AEC-Q100) |
| CAN FD | Yes | Yes | Yes | Yes | Yes |
| AEC-Q100 Qualification | No (industrial grade) | No (extended temp) | No | No | Yes |
关键差异点
- High-temperature industrial standard grade （对比 DSPIC33CK128MC106-E/PT)
- CAN FD connectivity as standard （对比 DSPIC33EP128MC206-I/PT)
- Cost-optimized Flash sizing （对比 DSPIC33CK256MC106-I/PT)
- Automotive qualification path on the same footprint （对比 DSPIC33CK128MC106-H/PT)
设计说明
Provide a solid ground plane under the 64-TQFP and decouple all VDD pins with 100 nF ceramics placed within 2 mm of each pin, plus bulk 10 uF per supply domain. Keep the ADC reference (VREF+/AVSS) traces short, star-routed to a quiet analog ground region. The dsPIC33CK configuration bits allow peripheral pin remapping - define PPS assignments early so PWM outputs, ADC inputs, and PGECx/PGEDx ICSP pairs (must be used as matched pairs, e.g., PGEC2/PGED2) land on pads with correct routing.
Estimated: the 64-TQFP (10x10 mm) junction-to-ambient thermal resistance for a standard 4-layer JEDEC board is typically on the order of 40-50 C/W; verify the exact value in the manufacturer datasheet package thermal appendix for your stackup. At 100 MHz core operation with heavy peripheral loading, power consumption remains well within passive-cooling limits, but in sealed enclosures above 85C ambient, consider the -E extended-temperature variant and validate junction temperature against the +125C rating.
Route high-speed PWM outputs away from analog ADC input traces to prevent gate-driver switching noise from corrupting current-sense samples. Use the ADC trigger sourced from the PWM module to sample phase currents at the center of the PWM off-time, where ripple is minimized - this is a documented best practice in Microchip's dsPIC33CK motor control reference designs. Twisted-pair or guarded routing for shunt signals further reduces common-mode noise at 3.5 Msps sampling rates.
Do not mix PGECx/PGEDx pairs during ICSP: per northernsoftware.com, the DSPIC33CK128MC106 has multiple programming pairs, but ICSPCLK and ICSPDAT must come from the same pair. Also, flash programming, configuration words, and code protection must be set intentionally - incorrect configuration bits can disable debugging access. Finally, migration between dsPIC33EP and dsPIC33CK generations is NOT pin-compatible despite both offering 64-TQFP packages; validate the pinout table before reusing an existing PCB.
合规信息
RoHS compliance and lead-free assembly per standard Microchip product offerings for the -I/PT industrial grade. AEC-Q100 qualification applies only to the -H/PT automotive variant. REACH and conflict-minerals status not stated in the provided data.
