DSPIC33CK128MC506T-I/PT - 100MHz 128KB DSC | Microchip | Motor Control
料号： DSPIC33CK128MC506T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.19 | $3.19 |
| 10 | $2.86 | $28.60 |
| 100 | $2.55 | $255.00 |
| 500 | $2.31 | $1,155.00 |
| 1,000 | $2.1 | $2,100.00 |
DSPIC33CK128MC506T-I/PT 概述
A digital signal controller combines the computational capability of a digital signal processor (DSP) with the peripheral integration and control architecture of a microcontroller (MCU). DSCs occupy the hierarchy level between general-purpose MCUs and dedicated DSPs, making them a power management IC class of their own for real-time closed-loop control systems that need both fast math and rich on-chip peripherals in a single semiconductor device.
Key features include a single 100 MHz dsPIC DSC core delivering up to 100 MIPS of deterministic performance, high-resolution PWM outputs for power conversion, a 12-bit ADC for precision sensing, integrated operational amplifiers (OpAmps), and a CAN FD interface for robust in-vehicle or industrial networking.
Architecturally, the dsPIC33CK core integrates DSP multiply-accumulate instructions, hardware division support, and an enhanced interrupt controller, enabling deterministic Field-Oriented Control (FOC) loops for motor drives. The peripheral ecosystem - PWM, ADC, comparators, op-amps, and timers - is tightly coupled to the core so that sensor-to-PWM latency stays low and cycle-accurate.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) control, digital power supplies (PFC, LLC), solar inverters, and industrial automation nodes requiring CAN FD connectivity. The 128 KB FLASH and 16 KB RAM provide headroom for full sensorless FOC firmware plus communication stacks.
Design consideration: the device operates from a 3.0V to 3.6V supply, so verify decoupling and VDD/AVDD sequencing on multi-rail boards, and place the high-resolution PWM dead-time budget carefully when driving power stages.
This page synthesizes distributor pricing, drop-in family alternatives, pinout data, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： DSPIC33CK128MC506T-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： DSPIC33CK128MC506T-I/PT （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Product Family, Supply Voltage.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CK256MC506T-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK128MC506-I/PT
✅ 直接替换✓ 有现货
$2.95 / 个
查看数据手册 →DSPIC33CK128MP506
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CK128MC503T-I/M5
✅ 直接替换✓ 有现货
$3 / 个
查看数据手册 →DSPIC33CK128MC506T-I/PT 最大额定值与电气特性
| Core | dsPIC33CK 16-bit DSC core |
| 最大时钟频率 | 100 MHz |
| Program Memory Size | 128 KB (128K x 8) FLASH |
| RAM Size | 16 KB |
| 数据总线宽度 | 16 bit |
| ADC Resolution | 12 bit |
| 接口类型 | CAN FD, UART, SPI, I2C |
| Integrated Peripherals | OpAmps, PWM, ADC |
| Supply Voltage Range | 3 V to 3.6 V |
| 封装 | 64-TQFP (10 x 10 mm) |
| 安装类型 | Surface Mount |
| 引脚数量 | 64 |
| Terminal Pitch | 0.5 mm |
| 工作温度范围 | -40C to +85C |
| Product Type | Digital Signal Controller (DSC) |
| Packaging | Tape & Reel (T suffix) |
| Typical Applications | Motor control, digital power, high-performance embedded control |
DSPIC33CK128MC506T-I/PT 引脚配置
| 引脚 1 | MCLR — Master Clear (reset) input, active low |
| 引脚 2 | RA0 — General purpose I/O / PPS assignable |
| 引脚 3 | RA1 — General purpose I/O / PPS assignable |
| 引脚 4 | RA2 — General purpose I/O / PPS assignable |
| 引脚 5 | RA3 — General purpose I/O / PPS assignable |
| 引脚 6 | RA4 — General purpose I/O / PPS assignable |
| 引脚 7 | VSS — Ground reference |
| 引脚 8 | VDD — Power supply (3.0V to 3.6V) |
| 引脚 9 | RA7 — General purpose I/O / PPS assignable |
| 引脚 10 | RA8 — General purpose I/O / PPS assignable |
| 引脚 11 | RA9 — General purpose I/O / PPS assignable |
| 引脚 12 | RA10 — General purpose I/O / PPS assignable |
| 引脚 13 | VDD — Power supply |
| 引脚 14 | VSS — Ground reference |
| 引脚 15 | OSC1/RA11 — Crystal oscillator input / I/O |
| 引脚 16 | OSC2/RA12 — Crystal oscillator output / I/O |
| 引脚 17 | RA13 — General purpose I/O / PPS assignable |
| 引脚 18 | RA14 — General purpose I/O / PPS assignable |
| 引脚 19 | RB0 — General purpose I/O / analog input |
| 引脚 20 | RB1 — General purpose I/O / analog input |
| 引脚 21 | RB2 — General purpose I/O / analog input |
| 引脚 22 | RB3 — General purpose I/O / analog input |
| 引脚 23 | RB4 — General purpose I/O / analog input |
| 引脚 24 | RB5 — General purpose I/O / analog input |
| 引脚 25 | VSS — Ground reference |
| 引脚 26 | VDD — Power supply |
| 引脚 27 | RB6 — General purpose I/O / analog input |
| 引脚 28 | RB7 — General purpose I/O / analog input |
| 引脚 29 | RB8 — General purpose I/O / analog input |
| 引脚 30 | RB9 — General purpose I/O / analog input |
| 引脚 31 | RB10 — General purpose I/O / analog input |
| 引脚 32 | RB11 — General purpose I/O / analog input |
| 引脚 33 | AVSS — Analog ground |
| 引脚 34 | AVDD — Analog power supply |
| 引脚 35 | RB12 — General purpose I/O / analog input |
| 引脚 36 | RB13 — General purpose I/O / analog input |
| 引脚 37 | RB14 — General purpose I/O / analog input |
| 引脚 38 | RB15 — General purpose I/O / analog input |
| 引脚 39 | RC0 — General purpose I/O / PPS assignable |
| 引脚 40 | RC1 — General purpose I/O / PPS assignable |
| 引脚 41 | RC2 — General purpose I/O / PPS assignable |
| 引脚 42 | RC3 — General purpose I/O / PPS assignable |
| 引脚 43 | VSS — Ground reference |
| 引脚 44 | VDD — Power supply |
| 引脚 45 | RC4 — General purpose I/O / PPS assignable |
| 引脚 46 | RC5 — General purpose I/O / PPS assignable |
| 引脚 47 | RC6 — General purpose I/O / PPS assignable |
| 引脚 48 | RC7 — General purpose I/O / PPS assignable |
| 引脚 49 | RC8 — General purpose I/O / PPS assignable |
| 引脚 50 | RC9 — General purpose I/O / PPS assignable |
| 引脚 51 | RC10 — General purpose I/O / PPS assignable |
| 引脚 52 | RC11 — General purpose I/O / PPS assignable |
| 引脚 53 | VDD — Power supply |
| 引脚 54 | VSS — Ground reference |
| 引脚 55 | RC12 — General purpose I/O / PPS assignable |
| 引脚 56 | RC13 — General purpose I/O / PPS assignable |
| 引脚 57 | RC14 — General purpose I/O / PPS assignable |
| 引脚 58 | RC15 — General purpose I/O / PPS assignable |
| 引脚 59 | RA15 — General purpose I/O / PPS assignable |
| 引脚 60 | RA16 — General purpose I/O / PPS assignable |
| 引脚 61 | RA17 — General purpose I/O / PPS assignable |
| 引脚 62 | RA18 — General purpose I/O / PPS assignable |
| 引脚 63 | VDD — Power supply |
| 引脚 64 | VSS — Ground reference |
典型应用
DSPIC33CK128MC506T-I/PT 适用于 6 应用s: Brushless DC / PMSM Motor Control, Digital Power Supplies (PFC / LLC), Solar Inverters and Power Optimizers, Industrial Automation and CAN FD Nodes, Robotics and Servo Drives, Battery Management and Charging Systems.
Brushless DC / PMSM Motor Control
The DSPIC33CK128MC506T-I/PT fits motor Field-Oriented Control (FOC) because its 100 MHz dsPIC33CK core executes deterministic current loops, while the high-resolution PWM module provides fine dead-time and duty-cycle resolution for low-torque-ripple drives. The integrated 12-bit ADC samples phase currents and bus voltage, and on-chip op-amps can amplify shunt-current signals, cutting external BOM cost. In a typical sensorless PMSM drive, the CPU closes two current loops and one speed loop per PWM period with headroom; the 128 KB FLASH holds the FOC engine, state machine, and optional CAN FD diagnostics simultaneously. Unlike general-purpose MCUs, the DSP math path keeps sensor-to-PWM latency cycle-accurate, which directly improves control bandwidth and efficiency.
推荐
Digital Power Supplies (PFC / LLC)
For switch-mode power conversion, the DSPIC33CK128MC506T-I/PT pairs its 100 MHz core with high-resolution PWM for precise switching-edge placement in PFC, LLC, and buck/boost stages. The 12-bit ADC with multiple triggers supports cycle-by-cycle current sampling, while on-chip comparators and op-amps enable fast overcurrent protection and shunt signal conditioning without external amplifiers. The 128 KB FLASH accommodates soft-start, burst-mode, and compensation firmware alongside communication. Because the control loop is digital, gain scheduling and nonlinear compensation are firmware-updatable - a major advantage over fixed analog controllers. Designers should budget PWM dead-time resolution and ADC conversion timing against the switching frequency when targeting converters above roughly 500 kHz.
推荐
Solar Inverters and Power Optimizers
Grid-tied and off-grid solar inverters require MPPT algorithms, inverter modulation, and safety monitoring - all well matched to the DSPIC33CK128MC506T-I/PT. The 100 MHz deterministic core runs MPPT and current-loop control concurrently, high-resolution PWM drives the power stage with low distortion, and the 12-bit ADC samples panel voltage/current and grid feedback. The CAN FD interface provides inverter-to-gateway communication with robust error containment for field deployments, and the 128 KB FLASH leaves room for grid-standard compliance code. Integrated op-amps condition current-shunt signals, reducing component count in a cost-sensitive product. Careful layout of analog sense lines away from switching nodes preserves ADC accuracy.
推荐
Industrial Automation and CAN FD Nodes
The DSPIC33CK128MC506T-I/PT serves as an intelligent industrial node combining local control with CAN FD networking. Its 64-pin package provides abundant I/O for actuators, encoders, and sensors, while Peripheral Pin Select allows flexible routing of UART, SPI, and I2C streams without board respins. The CAN FD peripheral delivers higher throughput than classical CAN for real-time factory data, and the 100 MHz core handles protocol stacks plus application logic with margin. The 16 KB RAM supports buffered telemetry and diagnostics. In mixed networks, the DSC can host a motor-control loop locally while streaming status over CAN FD - a role that would otherwise require separate controller and communication ICs.
推荐
Robotics and Servo Drives
Robotic joint and servo controllers benefit from the DSPIC33CK128MC506T-I/PT's combination of high-speed DSP math, high-resolution PWM, and integrated analog. Each joint drive needs fast current-loop closure (kHz-range PWM), position decoding from encoders or resolvers via the flexible timer/PPS system, and smooth commutation - all within the deterministic execution of the 100 MHz dsPIC33CK core. The 12-bit ADC and on-chip op-amps simplify shunt-based torque measurement, and CAN FD links joints on a single daisy-chained bus, reducing wiring weight in multi-axis robots. The 128 KB FLASH stores trapezoidal/S-curve motion profiles plus safety limit logic. Watch PWM dead-time and ADC trigger alignment to minimize torque ripple at low speed.
推荐
Battery Management and Charging Systems
In battery chargers and battery management units, the DSPIC33CK128MC506T-I/PT monitors cell voltages and currents via its 12-bit ADC, controls charging power stages through high-resolution PWM, and communicates status over CAN FD to vehicle or inverter hosts. The 100 MHz core runs coulomb counting, balancing decisions, and protective algorithms concurrently with converter control; integrated op-amps condition shunt signals and comparators provide fast fault shutdown. The 64-pin TQFP offers sufficient I/O for cell-tap multiplexers, contactor drivers, and isolation-status flags. The 128 KB FLASH accommodates state-of-charge firmware plus logging. Ensure isolated sensing front ends meet the required accuracy class before feeding cell measurements into the ADC.
推荐
推荐产品汇总
工程参考数据： DSPIC33CK128MC506T-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 | DSPIC33CK256MC506T-I/PT | DSPIC33CK128MC506-I/PT | DSPIC33CK128MP506 |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10 x 10 mm) | 64-TQFP (10 x 10 mm) - same | 64-TQFP (10 x 10 mm) - same | 64-TQFP (10 x 10 mm) - same |
| FLASH Memory | 128 KB | 256 KB | 128 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB |
| ADC Resolution | 12 bit | 12 bit | 12 bit | 12 bit |
| CAN FD | Yes | Yes | Yes | Yes |
| Integrated OpAmps | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C |
关键差异点
- Double program memory headroom option at same footprint （对比 DSPIC33CK128MC506T-I/PT vs DSPIC33CK256MC506T-I/PT)
- Faster core than H-grade variant （对比 DSPIC33CK128MC506T-H/PT)
- More I/O than smaller family members （对比 DSPIC33CK128MC503T-I/M5)
设计说明
Power the DSPIC33CK128MC506T-I/PT from a clean 3.0V to 3.6V rail. Place a 0.1 uF ceramic capacitor at each VDD/AVDD pin pair (there are multiple VDD pins on the 64-TQFP) plus one 10 uF bulk capacitor per supply domain. Decouple AVDD separately from digital VDD, ideally through a ferrite bead or a low-noise LDO such as the MCP1700, because the 12-bit ADC accuracy depends directly on AVDD ripple. Estimated: a 100 MHz core drawing tens of mA keeps total supply current well under 100 mA, so a 100 mA-class LDO typically suffices for the digital rail.
Use the exposed-land TQFP-64 footprint with a thermal relief ground pour. Keep the ADC analog ground island tied to AVSS at a single point near pin 33, and route analog sense traces away from the high-resolution PWM outputs and switching nodes. Per Microchip's dsPIC33CK family reference layout guidance, short ADC input traces with a small RC filter (e.g., 1 k ohm / 100 pF, estimated values - verify against your sampling rate) reduce aliasing from switching converters on the same board.
Do not leave MCLR floating: tie it through a 10 k ohm pull-up to VDD with a 0.1 uF to ground for reliable reset and debugger compatibility (PGD/PGC pins must be reserved for ICSP programming headers). Note that the T suffix indicates tape-and-reel packaging - order the non-T part number for prototype tube/tray quantities. Also verify the peripheral configuration of Peripheral Pin Select (PPS) before first power-up, because mis-mapped PPS functions can drive conflicting signals onto shared pins.
合规信息
RoHS status per distributor listing style for active Microchip parts; RoHS/REACH certificate details should be confirmed on the Microchip product page. The DSPIC33CK128MC506T-E/PT variant supports wider -40C to +125C operation for harsher environments.
