DSPIC33CK256MP605-I/M7 - 100MHz DSC, 256KB Flash | Microchip
料号： DSPIC33CK256MP605-I/M7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.77 | $1.77 |
| 10 | $1.68 | $16.80 |
| 100 | $1.59 | $159.00 |
| 500 | $1.5 | $750.00 |
| 1,000 | $1.42 | $1,420.00 |
DSPIC33CK256MP605-I/M7 概述
A digital signal controller combines the compute power of a digital signal processor with the peripheral integration and control peripherals of a microcontroller. Within the power management hierarchy of embedded systems, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes single-cycle MAC and DSP instructions for real-time control loops while integrating motor-control PWM, high-speed ADCs, and communication interfaces on-chip. The dsPIC33CK family is Microchip's single-core dsPIC33C generation, and this page covers the 256 KB / 64 KB memory variant in the 48-pin package.
Key features include the 100 MHz single-core architecture with DSP engine and barrel shifter, dual-panel Flash enabling live firmware updates, integrated CAN FD for modern industrial and automotive buses, on-chip operational amplifiers that reduce external analog component count, 12-bit ADCs for high-resolution sensing, and 8 DMA channels for low-CPU-overhead data movement. The extended on-chip peripheral set targets precision motor control, digital power conversion, and functional-safety (FuSa) designs.
Architecturally, the dsPIC33CK core executes an enhanced 16-bit instruction set with hardware DSP support (single-cycle MAC, modulo and bit-reversed addressing), making it well suited to field-oriented control (FOC) algorithms and fast control loops that run at switching frequencies well above 100 kHz. The Mouser listing highlights 100 MHz operation, 256K dual-panel Flash, 64K RAM, CAN FD, op amps, 12-bit ADCs, and PWM peripherals as the defining feature set.
Typical applications include brushless DC and PMSM motor drives, digital power supplies and PFC stages, solar micro-inverters, and industrial automation nodes requiring CAN FD connectivity. The combination of high-resolution ADC, on-chip op amps, and flexible PWM makes the MP605 a strong fit for single-chip motor control where BOM cost and board space are constrained.
Design consideration: the device operates from a 3.0 V to 3.6 V supply, so level shifting is required for 5 V peripherals, and the 48-VQFN exposed pad must be well soldered to ground for thermal and signal-integrity performance.
This page synthesizes verified distributor pricing, same-family drop-in alternatives, and practical design guidance not found on the manufacturer product page alone.
直接替换替代料： DSPIC33CK256MP605-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： DSPIC33CK256MP605-I/M7 （相同外形与封装尺寸） ——差异在于 Analog Peripherals, Operating Temperature, Package.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CK256MP605-E/M7
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CK256MP605-H/M7
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CK256MP505-I/M7
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK128MP505-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK256MP605-I/M7 最大额定值与电气特性
| Core | dsPIC33CK (16-bit dsPIC DSC) |
| Core Speed | 100 MHz (100 MIPS) |
| Program Memory Size | 256 KB (256K x 8) Flash |
| RAM Size | 64 KB (65536 words) |
| 数据总线宽度 | 16 bit |
| Supply Voltage Range | 3.0 V to 3.6 V |
| 工作温度 | -40C to +85C (I grade) |
| 封装 | 48-VQFN (6x6 mm), code M7 / HVQCCN |
| 安装类型 | Surface Mount |
| Number of Terminals | 48 |
| DMA Channels | 8 |
| Communication Interfaces | CAN FD, UART, SPI, I2C |
| Analog Peripherals | 12-bit ADCs, on-chip operational amplifiers |
| PWM Peripherals | Motor-control PWM |
| DSP Features | DSP engine, barrel shifter, boundary scan |
| Programming Interface | ICSP (ICSPCLK/ICSPDAT, PGECx/PGEDx pairs) |
| Functional Safety Support | FuSa (Functional Safety) variant support |
DSPIC33CK256MP605-I/M7 48-vqfn (6x6 mm), code m7 / hvqccn 引脚配置指南
DSPIC33CK256MP605-I/M7（48-vqfn (6x6 mm), code m7 / hvqccn 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： DSPIC33CK256MP605-I/M7.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33CK256MP605-I/M7 适用于 6 应用s: Precision BLDC/PMSM Motor Control, Digital Power Conversion (PFC, LLC, Inverters), Industrial Automation with CAN FD, Solar Micro-Inverters and Renewable Energy, Battery Management and Charging Systems, Portable and Embedded Instrumentation.
Precision BLDC/PMSM Motor Control
The DSPIC33CK256MP605-I/M7 is purpose-built for precision motor control: its 100 MHz (100 MIPS) DSP core executes field-oriented control loops at switching frequencies above 100 kHz, while the 12-bit ADC samples phase currents with the resolution needed for smooth low-speed torque. On-chip operational amplifiers condition shunt-resistor feedback without external amplifiers, cutting BOM cost and board area. The motor-control PWM module generates complementary outputs with hardware dead-time insertion for three-phase inverters. Placed as the single controller in a servo or industrial drive, it replaces separate MCU-plus-signal-chain solutions; the trade-off is its 3.0-3.6 V supply, requiring level shifting toward 5 V gate drivers.
推荐
Digital Power Conversion (PFC, LLC, Inverters)
In digital power supplies, the DSPIC33CK256MP605-I/M7 closes fast current-mode loops for PFC stages, LLC converters, and solar micro-inverters. The 100 MIPS core with single-cycle MAC handles the arithmetic of predictive and average-current-mode control at hundreds of kilohertz, while the 12-bit ADC is triggered by the PWM module for cycle-by-cycle sampling with minimal jitter. On-chip op amps remove external error-amplifier stages, and 8 DMA channels stream telemetry without CPU intervention. Compared with fixed-function controllers, the MP605 allows firmware-defined compensation, enabling one PCB to serve multiple power ratings - though developers must budget flash for safety and protection code paths.
推荐
Industrial Automation with CAN FD
Factory automation nodes benefit from the DSPIC33CK256MP605-I/M7's integrated CAN FD interface, which supports the higher payload and flexible data rates required by modern industrial buses and CANopen FD profiles. The 100 MHz core processes protocol stacks while background tasks run efficiently with 8 DMA channels moving sensor data from the 12-bit ADC to RAM. The 48-pin VQFN offers enough I/O for digital and analog sensing in distributed I/O modules, actuators, and sensor hubs. The -I temperature grade covers -40C to +85C typical cabinet environments; for harsher locations choose the -E grade. FuSa (functional safety) support in the family eases certification-oriented designs.
推荐
Solar Micro-Inverters and Renewable Energy
Grid-tied micro-inverters demand simultaneous MPPT computation, grid-synchronization, and fast current-loop control - workloads the DSPIC33CK256MP605-I/M7 handles with its 100 MIPS DSP engine and hardware multiply-accumulate. The 12-bit ADC captures panel voltage/current and grid waveforms, and the PWM module drives the power stage with configurable dead time. The 256 KB dual-panel Flash permits field firmware updates (important for grid-code compliance changes) without service visits. Its 3.0-3.6 V supply simplifies isolated-side interfacing via digital isolators. The functional-safety support in the dsPIC33CK family assists designs targeting grid-interconnection certification.
推荐
Battery Management and Charging Systems
The DSPIC33CK256MP605-I/M7 suits battery management systems that need accurate sensing plus active control of chargers or DC-DC converters. Its 12-bit ADC measures cell voltages and currents with the resolution required for state-of-charge estimation, and the on-chip op amps buffer shunt signals directly. The 100 MHz core runs coulomb counting and protection algorithms concurrently with a switching-converter control loop, while CAN FD connects the BMS to vehicle or stack controllers per modern EV standards. The 48-pin package provides sufficient I/O for cell-group multiplexing. Designers should verify that the 3.0-3.6 V supply domain matches the isolated-front-end architecture chosen.
推荐
Portable and Embedded Instrumentation
Battery-powered measurement instruments leverage the DSPIC33CK256MP605-I/M7's DSP capability for real-time filtering, FFT analysis, and sensor correction, while its 12-bit ADC and op amps form a compact analog front end. The 64 KB RAM accommodates sample buffering for post-processing, and DMA keeps the CPU free for user interface and communication tasks. Low peripheral count on the PCB shortens the analog layout critical path, improving signal integrity in handheld form factors. Because the device runs from 3.0-3.6 V, it pairs directly with single-cell managed Li-ion rails via an LDO, and the VQFN-48 keeps overall board area small for space-constrained enclosures.
推荐
推荐产品汇总
工程参考数据： DSPIC33CK256MP605-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 | DSPIC33CK256MP605-E/M7 | DSPIC33CK256MP605-H/M7 | DSPIC33CK256MP505-I/M7 | DSPIC33CK256MP205-I/PT |
|---|---|---|---|---|---|
| Package | 48-VQFN (6x6 mm, M7) | 48-VQFN (6x6 mm) - same | 48-VQFN (6x6 mm) - same | 48-VQFN (6x6 mm) - same | 28-pin TQFP - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz | 100 MHz | 100 MHz | 100 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | High-temperature grade (H) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Peripheral Set | Full set: CAN FD, op amps, 12-bit ADC, PWM | Identical (same die) | Identical (same die) | Reduced instances (op amps/ADC) | Reduced I/O and ADC channels (28-pin) |
关键差异点
- Extended temperature option in the same footprint （对比 DSPIC33CK256MP605-E/M7)
- Full peripheral set versus reduced MP505 sibling （对比 DSPIC33CK256MP505-I/M7)
- 48-pin I/O density within the dsPIC33CK 256 KB family （对比 DSPIC33CK256MP205-I/PT)
设计说明
The 48-VQFN (6x6 mm, M7) package has a central exposed pad that must be soldered to a ground flood for thermal dissipation and signal integrity. Design the PCB land pattern per the Microchip datasheet footprint with an array of thermal vias (typically 4x4 grid of 0.3 mm vias) under the pad connecting to internal and bottom ground planes. Use stencil apertures segmented to roughly 60-70% coverage to avoid solder voiding under the die, which degrades both thermal performance and the ground reference for the analog peripherals.
The dsPIC33CK operates from 3.0 V to 3.6 V; generate VDD from a low-noise LDO rather than a buck converter when the 12-bit ADC is used for precision sensing, since switching ripple appears directly in ADC results. Decouple every VDD pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, and add one bulk 10 uF capacitor near the package. Follow the datasheet requirements for the internal-regulator capacitor pin; an undersized or wrong-ESR capacitor there is a common cause of erratic reset behavior at power-up.
ICSP programming uses PGECx/PGEDx pairs that must stay paired: if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2 (per Northern Software's dsPIC33CK256MP605 notes). Never split a pair across connectors, and keep one full pair routed to a programming header. Also remember that a 5 V signal on any I/O pin exceeds the 3.6 V absolute maximum and will damage the device - use level shifters or series resistors with clamping toward any 5 V subsystems such as legacy sensors.
合规信息
RoHS/lead-free status consistent with current Microchip production; verify exact certificate on the Microchip product page for your lot. REACH, halogen-free, and conflict-minerals status not stated in provided data.
