DSPIC33CK512MP305-E/M7 - 16-bit DSC 100MIPS 512KB | Microchip
料号： DSPIC33CK512MP305-E/M7 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.35 | $2.35 |
| 10 | $2.15 | $21.50 |
| 100 | $1.94 | $194.00 |
| 500 | $1.82 | $910.00 |
| 1,000 | $1.7 | $1,700.00 |
DSPIC33CK512MP305-E/M7 概述
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and deterministic interrupt behavior of a microcontroller (MCU). Within the power-management hierarchy of embedded systems, a DSC sits above general-purpose MCUs for control-loop applications and below full DSPs for raw signal processing, making it the standard choice for real-time closed-loop motor control.
Key features include a 100 MIPS core with DSP engine and single-cycle MAC, 512 KB of ECC-protected dual-panel flash enabling live firmware updates, 64 KB of RAM, integrated operational amplifiers, 12-bit ADCs, and high-resolution PWM peripherals purpose-built for field-oriented control (FOC).
The dsPIC33C architecture adds a zero-pipelining core with 40-bit accumulator DSP instructions and 8 DMA channels, keeping interrupt latency deterministic. The 12-bit ADC can sample multiple channels synchronously with the PWM cycle, and the on-chip op-amps reduce external component count in current-sense circuits.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) control in industrial drives, digital power supplies and PFC stages, and precision sensing systems that require DSP-grade math with MCU-grade peripherals.
When designing, budget the 3.0 V to 3.6 V rail carefully and place 100 nF decoupling capacitors at every VDD pin; the dual-panel flash requires careful bank management during self-programming. The extended-temperature E variant demands derating checks at 125C ambient.
This page synthesizes distributor pricing from DigiKey, Mouser, and LCSC, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.
直接替换替代料： DSPIC33CK512MP305-E/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-E/M7 （相同外形与封装尺寸） ——差异在于 Core Speed, Flash Memory, Operating Temperature, Package.
快速对比工具——选择替代料号进行并排对比：
DSPIC33CK512MP305-I/M7
✅ 直接替换✓ 有现货
$1.3 / 个
查看数据手册 →DSPIC33CK512MP305T-E/M7
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33CK256MP305
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK128MP305
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK64MP305
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33CK512MP305-E/M7 最大额定值与电气特性
| Core | dsPIC33C 16-bit DSC, single core |
| Core Speed | 100 MHz (100 MIPS) |
| Flash Memory | 512 KB (512K x 8) dual-panel |
| RAM | 64 KB |
| 电源电压 | 3 V to 3.6 V |
| 工作温度 | -40C to +125C (E grade) |
| 封装 | 48-VQFN (6x6 mm), exposed pad |
| 安装类型 | Surface Mount |
| DMA Channels | 8 |
| ADC Resolution | 12 bit |
| Integrated Op-Amps | Yes |
| PWM | High-resolution PWM |
| CAN | No CAN |
| Programmability | In-circuit serial programmable (ICSP) |
| RoHS 状态 | ROHS3 Compliant |
| Supplier Device Package | 48-VQFN (6x6) |
DSPIC33CK512MP305-E/M7 48-vqfn (6x6) 引脚配置指南
DSPIC33CK512MP305-E/M7（48-vqfn (6x6) 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-E/M7.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33CK512MP305-E/M7 适用于 6 应用s: PMSM/BLDC Motor Control (FOC), Digital Power Supplies and PFC, Industrial Automation and Motion, Automotive and e-Mobility Auxiliary Systems, Precision Sensing and DSP Signal Processing, Battery Chargers and Wireless Power.
PMSM/BLDC Motor Control (FOC)
The DSPIC33CK512MP305-E/M7 is purpose-built for field-oriented control (FOC) of permanent-magnet synchronous and brushless DC motors. Its 100 MIPS dsPIC33C core executes a complete FOC current loop within a single PWM period, while the high-resolution PWM module provides the fine duty-cycle resolution needed for quiet, efficient low-inductance motors. The integrated op-amps condition shunt-resistor current signals directly, and the 12-bit ADCs sample currents synchronously with the PWM center to eliminate switching noise. Per the Microchip product page, the dsPIC33CK family enables high-performance precision motor control systems in a single chip. The 512 KB dual-panel flash leaves headroom for advanced features such as sensorless observers, field weakening, and firmware-in-field updates executed from the alternate flash panel.
推荐
Digital Power Supplies and PFC
Digital AC-DC converters, LLC resonant supplies, and power-factor-correction stages benefit from the DSPIC33CK512MP305-E/M7's deterministic control bandwidth and high-resolution PWM, which achieves sub-nanosecond effective duty-cycle resolution for phase-shifted topologies. The 12-bit ADC captures voltage and current feedback loop-wide, and the 100 MIPS core closes voltage and current loops at switching frequencies above 100 kHz with margin. The on-chip op-amps can scale current-shunt signals before digitization, reducing external BOM cost. The extended -40C to +125C E-grade temperature rating suits power supplies in industrial enclosures where ambient temperatures near the controller routinely exceed 85C. The 3.0 V to 3.6 V supply range allows direct powering from a standard 3.3 V bias rail.
推荐
Industrial Automation and Motion
In factory automation, servo drives, and multi-axis motion systems, the DSPIC33CK512MP305-E/M7 provides the deterministic interrupt latency and DSP math (single-cycle MAC, 40-bit accumulators) needed for tight current loops, while 512 KB of flash accommodates motion profiles, communication stacks, and diagnostics. Eight DMA channels move ADC results and UART data without CPU intervention, keeping loop timing jitter-free. Although this 48-pin part has no CAN module, its SPI and UART ports connect to external transceivers or gateway processors. The -E temperature grade tolerates cabinet environments from -40C to +125C. Its 6x6 mm VQFN footprint fits compact drive PCBs where board area and thermal performance both matter.
推荐
Automotive and e-Mobility Auxiliary Systems
While not AEC-Q100 qualified per the available data, the -E grade -40C to +125C rating of the DSPIC33CK512MP305-E/M7 suits non-safety automotive-adjacent subsystems such as DC-DC auxiliary converters, pump and fan controllers, and actuator drivers, where high under-hood temperatures exclude industrial-grade parts. The high-resolution PWM supports interleaved converter topologies used in 12 V/48 V auxiliary power systems, and the integrated op-amps simplify battery-current sensing. The 512 KB dual-panel flash enables firmware updates in the field over UART or SPI, an operational advantage for fleets. Designers should verify qualification requirements independently and consider Microchip's dedicated automotive-qualified families for safety-critical paths.
推荐
Precision Sensing and DSP Signal Processing
The DSP engine of the DSPIC33CK512MP305-E/M7 - single-cycle MAC, dual operand fetch, and 40-bit accumulators - executes FFTs, digital filters, and sensor-correction algorithms at 100 MIPS, while the 12-bit ADCs digitize sensor front ends with on-chip op-amp gain staging. This makes the part a strong fit for flow meters, strain-gauge bridges, ultrasonic sensors, and condition-monitoring nodes that need DSP-grade math without a separate DSP chip. The 64 KB RAM buffers multi-channel acquisition blocks, and 8 DMA channels stream data to memory without CPU overhead. The 512 KB flash stores calibration tables, feature extraction code, and logging, all within the compact 48-pin 6x6 mm VQFN footprint.
推荐
Battery Chargers and Wireless Power
Multi-chemistry battery chargers and wireless power transmitters need precise current control, phase timing, and safety state machines - all areas where the DSPIC33CK512MP305-E/M7 excels. The high-resolution PWM drives synchronous buck charging stages or class-D wireless power inverters with fine phase resolution for Qi-class coil tuning, and the 12-bit ADC monitors voltage, current, and temperature inputs with on-chip op-amps amplifying shunt signals. The 100 MIPS core runs charging state machines, Coulomb counting, and communication protocols (UART/SPI to gas gauges or host systems) concurrently with the power loop. The extended -40C to +125C grade covers outdoor and industrial charging environments, and 512 KB flash stores charging profiles and logging.
推荐
推荐产品汇总
工程参考数据： DSPIC33CK512MP305-E/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-I/M7 | DSPIC33CK256MP305 | DSPIC33CK128MP305 | DSPIC33CK64MP305 |
|---|---|---|---|---|---|
| Package | 48-VQFN (6x6 mm) | 48-VQFN (6x6 mm) - same | 48-VQFN (6x6 mm) - same | 48-VQFN (6x6 mm) - same | 48-VQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 512 KB | 512 KB | 256 KB | 128 KB | 64 KB |
| RAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Core Speed | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) | 100 MHz (100 MIPS) |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| CAN Module | No | No | No | No | No |
关键差异点
- Extended -40C to +125C temperature range （对比 DSPIC33CK512MP305-I/M7)
- Double the flash of the family's mid-tier sibling （对比 DSPIC33CK256MP305)
- Single-chip analog integration for FOC （对比 DSPIC33CK64MP305)
- Trade-off: no CAN-FD module （对比 DSPIC33CK128MP506-E/MR)
设计说明
The DSPIC33CK512MP305-E/M7 requires a regulated 3.0 V to 3.6 V supply. Estimated: at the 35 mA maximum supply current cited by Microchip USA for the family, a 3.3 V rail dissipates roughly 0.12 W in the controller itself - manageable, but switching-noise coupling into VDD during PWM events can corrupt ADC readings. Use a dedicated 3.3 V LDO or filtered buck rail, place 100 nF ceramic capacitors at every VDD pin (within 2 mm), and add a 10 uF bulk capacitor near the package. Follow Microchip's decoupling guidelines in the dsPIC33CK family datasheet.
The E-grade part is rated to +125C ambient, but junction temperature depends on PCB thermal design. Estimated: with a typical theta_JA around 40-50 C/W for a 48-VQFN 6x6 on a standard 4-layer board (verify the exact datasheet theta_JA), a 35 mA / 3.3 V load adds only about 1.5-2 C of self-heating, so ambient dominates. Solder the exposed pad to a ground pour with an array of thermal vias (5x5, 0.3 mm drill) to keep theta_JA low and to provide the return path for the ADC and PWM peripherals.
Three pitfalls recur with dsPIC33CK designs. First, the dual-panel flash architecture requires attention during self-programming: executing from panel 0 while erasing panel 1 is safe, but interrupt vectors must be relocated or disabled during the erase window. Second, this MP3xx variant has no CAN module - do not assume family-wide peripheral parity; check the specific datasheet feature table. Third, configure ADC sampling to trigger synchronously with the PWM period (using the PWM trigger output), not free-running, or switching noise will appear as current-measurement error in FOC loops. Reference Microchip's FOC application notes for the recommended trigger chain.
Keep current-sense shunt routing Kelvin-connected to the on-chip op-amp input pins, with the feedback trace routed away from PWM switch nodes. The high-resolution PWM's fine edge placement (sub-ns effective resolution) is only meaningful if dead-band distortion from poor layout does not dominate - route PWM outputs with short traces and place gate-driver inputs close to the controller. Group analog VDD/AVSS pins per the datasheet's recommended decoupling network and separate the analog ground island at the exposed pad region.
合规信息
ROHS3 Compliant per ics-embedded listing. Not stated as AEC-Q100 qualified in provided data; -E temperature grade does not imply automotive qualification.
