DSPIC33CK512MP305-I/M7 - 100MIPS 16-bit DSC 512KB Flash | Microchip
料号： DSPIC33CK512MP305-I/M7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.77 | $1.77 |
| 10 | $1.68 | $16.80 |
| 100 | $1.55 | $155.00 |
| 500 | $1.42 | $710.00 |
| 1,000 | $1.3 | $1,300.00 |
DSPIC33CK512MP305-I/M7 概述
A digital signal controller is a hybrid device that combines the computational architecture of a microcontroller (MCU) with the math processing capability of a digital signal processor (DSP). Within the power-management hierarchy, the DSC sits above a standard MCU: it executes deterministic single-cycle MAC and DSP instructions while retaining peripherals such as PWM modules, ADCs, and serial communication blocks. The dsPIC33CK family extends this concept with a single 100 MHz dsPIC DSC core and enhanced on-chip peripherals targeted specifically at high-performance, precision motor control.
Key features of the DSPIC33CK512MP305 include dual-panel flash that allows execution from one panel while erasing or programming the other, an operating supply range of 3.0 V to 3.6 V (nominal 3.3 V), and on-chip peripherals cited by Microchip distributors including 12-bit ADCs, high-resolution PWM modules, and integrated operational amplifiers (OpAmps). The device provides 8 DMA channels and supports multiple serial I/O ports for UART, SPI, and I2C-style connectivity, enabling efficient data flow across multiple internal bus architectures.
Technically, the dsPIC33CK core achieves up to 100 MIPS of deterministic 16-bit RISC performance with DSP instruction extensions, making closed-loop Field-Oriented Control (FOC) of PMSM and BLDC motors feasible at high PWM carrier frequencies. The extended-temperature sibling DSPIC33CK512MP305-E/M7 confirms the family's suitability for harsh environments; the -I (industrial) variant here is rated for -40C to +125C operation per the Microchip ordering-code convention.
Typical applications include precision sensorless FOC motor control, digital power supplies and power factor correction, and industrial automation systems requiring deterministic DSP performance with rich analog integration.
When designing with this DSC, always connect all VDD and VSS pins and use any matched PGECx/PGEDx pair consistently for ICSP programming and debugging.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33CK512MP305-I/M7 ——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： DSPIC33CK512MP305-I/M7 （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Core, Core Speed, Programming Interface.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CK512MP305-E/M7
✅ 直接替换✓ 有现货
$1.7 / 个
查看数据手册 →DSPIC33CK512MP304-I/M7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK512MP306-I/M7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK32MP506-E/MR
✅ 直接替换✓ 有现货
$3.55 / 个
查看数据手册 →DSPIC33CK256MP205-I/PT
✅ 直接替换✓ 有现货
$3.55 / 个
查看数据手册 →DSPIC33CK512MP305-I/M7 最大额定值与电气特性
| Core Architecture | 16-bit dsPIC DSC (RISC with DSP extensions) |
| Core Speed | 100 MHz / 100 MIPS |
| Flash Memory | 512 KB (512K x 8), dual panel |
| RAM | 64 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Nominal Supply Voltage | 3.3 V |
| Maximum Supply Current | 35 mA |
| DMA Channels | 8 |
| Serial I/O Ports | 8 |
| ADC | 12-bit |
| PWM | High-resolution PWM |
| Integrated OpAmps | Yes (on-chip OpAmps) |
| 封装 | 48-VQFN (6x6 mm), M7 pinout |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +125C (I grade) |
| Programming Interface | ICSP (multiple PGECx/PGEDx pairs) |
DSPIC33CK512MP305-I/M7 48-vqfn (6x6 mm), m7 pinout 引脚配置指南
DSPIC33CK512MP305-I/M7（48-vqfn (6x6 mm), m7 pinout 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： DSPIC33CK512MP305-I/M7.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33CK512MP305-I/M7 适用于 6 应用s: Sensorless FOC Motor Control, Digital Power Supplies and PFC, Industrial Automation and Robotics, E-Mobility and Electric Vehicle Auxiliary Drives, Renewable Energy Inverters and Microinverters, Embedded DSP Signal Processing and Sensing.
Sensorless FOC Motor Control
The DSPIC33CK512MP305-I/M7 fits sensorless Field-Oriented Control because its 100 MHz/100 MIPS deterministic core executes the Clarke/Park transforms and current-loop PI controllers with single-cycle DSP MAC instructions, sustaining control-loop rates above 20 kHz even with high-resolution PWM carriers. The on-chip 12-bit ADC samples motor phase currents synchronized to the PWM, and integrated OpAmps condition low-side shunt voltages, removing external amplifiers from the BOM. In a typical topology, the DSC drives a three-phase inverter through complementary PWM outputs with dead-time control while estimating rotor position from back-EMF observers using the 64 KB RAM for state variables. The dual-panel flash allows firmware field updates without stopping the drive.
推荐
Digital Power Supplies and PFC
For digital SMPS, LLC resonant converters, and power-factor-correction stages, the DSPIC33CK512MP305-I/M7 provides the combination of high-resolution PWM (fine duty and phase resolution needed for tight regulation and soft switching) and fast 12-bit ADC triggering that such loops require. The 100 MIPS core closes voltage and current loops at switching frequencies that analog-dominant controllers previously handled, while the 8 DMA channels stream telemetry without CPU overhead. Typical usage places the DSC as the sole supervisory controller: it implements soft-start, burst mode, and fault protection (over-current/over-voltage trip via PWM hardware), and the 3.0-3.6 V supply with 35 mA maximum current keeps controller power overhead negligible relative to converter output.
推荐
Industrial Automation and Robotics
In industrial automation nodes such as servo drives, multi-axis robot joint controllers, and factory sensing gateways, the DSPIC33CK512MP305-I/M7 offers deterministic DSP performance with industrial -40C to +125C reliability in a compact 6x6 mm VQFN that fits dense drive boards. The 8 serial I/O ports support multiple simultaneous buses for encoder feedback, inter-controller links, and fieldbus interfaces, while 8 DMA channels move data between peripherals and the 64 KB RAM with minimal jitter. The 512 KB dual-panel flash supports complex motion profiles plus OTA firmware updates executed from the alternate panel while the machine remains operational, an important availability feature in continuous-production environments.
推荐
E-Mobility and Electric Vehicle Auxiliary Drives
Auxiliary motor loads in electric vehicles - pumps, fans, compressors, and actuators - benefit from the DSPIC33CK512MP305-I/M7's precision control and small footprint. The extended-temperature family member DSPIC33CK512MP305-E/M7 demonstrates the platform's harsh-environment capability, and the -I variant covers under-hood-adjacent modules rated to +125C. High-resolution PWM enables quiet (low acoustic-noise) motor commutation through high PWM carrier frequencies and spreading techniques, while the 12-bit ADC plus on-chip OpAmps implement phase-current sensing for smooth torque control. The 100 MIPS core simultaneously runs functional-safety style plausibility checks alongside the control loop, using the 512 KB flash for diagnostics and fault-logging code.
推荐
Renewable Energy Inverters and Microinverters
Solar microinverters and small string-inverter stages require synchronized, phase-shifted PWM control of multiple conversion stages plus MPPT algorithms - a workload the DSPIC33CK512MP305-I/M7 handles with its 100 MHz core, high-resolution PWM, and rapid ADC scanning. The dual-panel flash supports field firmware updates important for long-life energy products deployed on rooftops, and the -40C to +125C range matches outdoor enclosure conditions. The 8 DMA channels offload ADC sampling of PV voltage/current and grid synchronization signals so the core dedicates its MIPS to MPPT and grid-current control loops, while the 6x6 mm VQFN conserves board area in densely packed power electronics.
推荐
Embedded DSP Signal Processing and Sensing
General embedded signal processing - vibration analysis, ultrasonic sensing, audio preprocessing, and digital filtering - is a natural fit for the DSPIC33CK512MP305-I/M7 because its 16-bit DSP core provides hardware MAC, modulo and bit-reversed addressing for FIR/IIR filters and FFT routines. The 64 KB RAM accommodates sizable sample buffers, and 8 DMA channels feed ADC data to memory without core intervention, keeping filter execution deterministic. Compared with adding a separate DSP chip, the single 3.3 V, 35 mA-max device integrates sensing, processing, and control in one 48-pin VQFN, reducing BOM count and board space while the 512 KB flash stores coefficient tables and application code with dual-panel update capability.
推荐
推荐产品汇总
工程参考数据： DSPIC33CK512MP305-I/M7 ——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 | DSPIC33CK512MP305-E/M7 | DSPIC33CK512MP304-I/M7 | DSPIC33CK512MP306-I/M7 | DSPIC33CK256MP205-I/PT |
|---|---|---|---|---|---|
| Package | 48-VQFN (6x6 mm) M7 | 48-VQFN (6x6 mm) M7 - same | 48-VQFN (6x6 mm) M7 - same | 48-VQFN (6x6 mm) M7 - same | TQFP-64 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz / 100 MIPS | 100 MHz / 100 MIPS | 100 MHz / 100 MIPS | 100 MHz / 100 MIPS | 100 MHz / 100 MIPS |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB |
| Supply 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 |
| Temperature Range | -40C to +125C (I) | Extended grade (E) | -40C to +125C (I) | -40C to +125C (I) | -40C to +125C (I) |
| 12-bit ADC / High-Res PWM / OpAmps | Yes / Yes / Yes | Yes / Yes / Yes | Yes / Yes / reduced instances | Yes / Yes / varied instances | Yes / Yes / Yes |
关键差异点
- 512 KB dual-panel flash in a compact 48-pin footprint （对比 DSPIC33CK256MP205-I/PT)
- Extended-temperature drop-in sibling exists （对比 DSPIC33CK512MP305-E/M7)
- Integrated OpAmps reduce external analog BOM （对比 DSPIC33CK512MP304-I/M7)
设计说明
Design the 3.3 V rail for at least 50-100 mA per device even though maximum supply current is specified at 35 mA; GPIO sourcing, flash programming current, and oscillator startup add transient load. Connect every VDD/VSS pin pair on the 48-pin VQFN - floating supply pins cause erratic brown-out behavior that is difficult to diagnose. Place one 100 nF ceramic capacitor at each supply pin plus a 4.7-10 uF bulk capacitor near the device.
The 6x6 mm VQFN thermal pad should be soldered to a grounded copper pour with an array of thermal vias, primarily for grounding integrity rather than heat - at 3.3 V and 35 mA maximum, power dissipation is roughly 115 mW (estimated: 3.3 V x 0.035 A), which is thermally trivial. Keep high-resolution PWM traces short and route them away from the ADC input pins; the 12-bit ADC needs a clean analog ground region for full accuracy.
For ICSP programming, use PGECx and PGEDx pins as matched pairs only - pairing PGEC2 with PGED3 will fail communication (per Northern Software's support notes). Additionally, dual-panel flash erases/programs the inactive panel while executing from the active one; never erase the panel your code currently executes from, and reserve a bootloader region to prevent accidental self-lockout during field updates.
合规信息
RoHS/lead-free status treated as standard for active Microchip dsPIC33CK production parts per distributor listings; REACH, halogen-free, and conflict-minerals declarations not detailed in captured data - confirm on Microchip's official product page.
