DSPIC33EP128MC506-E/MR - 16-bit 60 MIPS DSC 128KB Flash | Microchip
料号： DSPIC33EP128MC506-E/MR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33EP128MC506-E/MR 概述
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic interrupt architecture of a microcontroller. Within the power-management hierarchy, DSCs occupy the space between general-purpose MCUs and dedicated DSPs, making them the preferred device class for closed-loop motor control, digital power conversion, and real-time embedded control systems.
Key features include a modified Harvard, 16-bit RISC DSP core with single-cycle MAC and hardware divide support, hardware MCPWM modules capable of complementary and center-aligned PWM generation for three-phase inverters, integrated analog (comparators and operational amplifiers) that reduces external component count, and a CAN 2.0B controller for automotive and industrial fieldbus connectivity.
The dsPIC33EP architecture includes phase-locked loop clock multiplication, multiple internal fast RC oscillators, and a rich DMA-free interrupt-driven I/O model. The integrated op amps can be internally routed to PWM and ADC resources, enabling current-shunt amplification for field-oriented control (FOC) without external amplifiers.
Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, digital power supplies and solar inverters, and industrial automation nodes requiring CAN networking. The extended temperature range and AEC-Q100 qualification suit under-hood and high-ambient industrial environments.
For design, ensure a clean 3.3V rail with low-ESR decoupling on every VDD/VSS pair, and use the exposed thermal pad for ground return. Configuring PWM dead-time and ADC trigger alignment is critical in FOC loops.
This page synthesizes distributor availability data, same-footprint drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet alone.
直接替换替代料： DSPIC33EP128MC506-E/MR ——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： DSPIC33EP128MC506-E/MR （相同外形与封装尺寸） ——差异在于 Core, Operating Temperature, Package, Supply Voltage, Peripheral Trigger Generator.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP128MC506-I/MR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP256MC506-E/MR
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP64MC506-E/MR
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.86 / 个
查看数据手册 →DSPIC33CK128MP506-E/MR
✅ 直接替换✓ 有现货
$4.42 / 个
查看数据手册 →DSPIC33CK32MP506-E/MR
✅ 直接替换✓ 有现货
$3.55 / 个
查看数据手册 →DSPIC33EP128MC506-E/MR 最大额定值与电气特性
| Core | dsPIC33E, 16-bit |
| Max CPU Speed | 60 MIPS (60 MHz) |
| Program Memory (FLASH) | 128 KB (43K x 24) |
| Data RAM | 16 KB |
| 工作电源电压 | 3 V to 3.6 V |
| 工作温度范围 | -40C to +125C (E-grade) |
| 封装 | 64-VQFN (9x9 mm), exposed pad |
| 安装类型 | Surface Mount (SMD/SMT) |
| Number of Cores | 1 |
| PWM | MCPWM (motor control PWM) |
| Analog Peripherals | Op Amps, Comparators |
| Communication Interfaces | CAN, UART, SPI, I2C |
| Peripheral Trigger Generator | PTG |
| Qualification | AEC-Q100 qualified (automotive) |
| Family | dsPIC33EPXXXMC50X |
DSPIC33EP128MC506-E/MR 64-vqfn (9x9 mm), exposed pad 引脚配置指南
DSPIC33EP128MC506-E/MR（64-vqfn (9x9 mm), exposed pad 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： DSPIC33EP128MC506-E/MR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP128MC506-E/MR 适用于 6 应用s: BLDC / PMSM Motor Control, Digital Power Supplies and Inverters, Automotive Body and Drive Modules, Industrial Automation and Robotics, Audio Signal Processing, Embedded Control and IoT Sensing Nodes.
BLDC / PMSM Motor Control
The DSPIC33EP128MC506-E/MR fits precision motor control because its MCPWM modules generate complementary, center-aligned PWM with programmable dead-time for three-phase inverters, while the integrated op amps amplify shunt-resistor current feedback without external amplifiers. In a field-oriented control (FOC) drive, the PTG triggers ADC conversions at PWM centers to sample phase currents away from switching edges, minimizing noise. A typical design runs the 60 MIPS core through Clarke/Park transforms and a PI current loop within each PWM period of 10-20 kHz. The comparators provide cycle-by-cycle over-current trip, protecting MOSFET bridges. Compared with a generic MCU, this deterministic DSP-plus-analog integration reduces loop latency and external BOM cost substantially.
推荐
Digital Power Supplies and Inverters
For digital power conversion (LLC resonant converters, PFC stages, solar micro-inverters), the DSPIC33EP128MC506-E/MR provides the fast PWM resolution and deterministic interrupt latency needed for tight output regulation. The 60 MIPS core executes control-loop compensation math, while MCPWM supports phase-shifted and complementary topologies with adaptive dead-time. On-chip comparators implement fast over-current/over-voltage protection faster than any software interrupt path. Running from a 3.3V rail at -40C to +125C, the E-grade part suits converter environments near magnetics and heat sinks. Using the exposed-pad VQFN on a multilayer board keeps ground impedance low, which matters when PWM edges must not corrupt precision ADC feedback sampling.
推荐
Automotive Body and Drive Modules
With AEC-Q100 qualification and a -40C to +125C range, the DSPIC33EP128MC506-E/MR targets automotive modules such as electric water pumps, HVAC blower drives, turbo actuators, and throttle control. The integrated CAN 2.0B controller interfaces directly to the vehicle network through an external transceiver, while the MCPWM and op-amp resources run the local motor loop autonomously. According to distributor data, the automotive-qualified -E/MR variant is specifically listed for 3.3V 64-pin QFN EP automotive use. Designers should budget for 12V-to-3.3V rail sequencing and transceiver fault handling, and can use the DSPIC33EP128MC506-I/MR as the same-footprint industrial-grade counterpart for non-vehicle variants of the same board.
推荐
Industrial Automation and Robotics
In factory automation - servo drives, robot joint controllers, conveyor actuators - the DSPIC33EP128MC506-E/MR provides the compute density for multi-axis coordination while its peripherals handle real-time PWM and current sensing locally. The 128 KB FLASH accommodates FOC stacks plus a Modbus/CAN protocol layer, and 16 KB RAM holds control states and trajectory buffers. The extended temperature rating suits cabinets near drives and braking resistors where ambient exceeds 85C. Deterministic ADC triggering via PTG keeps current-loop sampling jitter below one PWM tick, critical for low-torque-ripple servo performance. Where more flash is needed for protocol stacks, the pin-compatible DSPIC33EP256MC506-E/MR doubles program memory without any PCB change.
推荐
Audio Signal Processing
The dsPIC33E core's single-cycle MAC and DSP multiply instructions make the DSPIC33EP128MC506-E/MR suitable for embedded audio processing: active crossovers, equalization, echo cancellation, and audio effect units. At 60 MIPS the core executes dozens of biquadratic filter sections in real time at a 48 kHz sample rate. Its 12-bit ADC captures line-level signals after external anti-alias filtering, and PWM plus external reconstruction filters can produce analog output, or SPI/I2C can drive external audio codecs. The -E temperature grade benefits automotive audio amplifiers near heat sources. For pure audio designs the on-chip op amps can buffer signals, reducing external component count relative to general-purpose MCUs without DSP engines.
推荐
Embedded Control and IoT Sensing Nodes
As a general-purpose embedded controller, the DSPIC33EP128MC506-E/MR combines 16-bit core throughput, generous 128 KB FLASH, and rich connectivity (UART, SPI, I2C, CAN) in a compact 9x9 mm QFN, suiting industrial sensing nodes, data loggers, and smart sensors that must survive harsh temperatures. The PTG peripheral trigger generator can run simple sensing sequences autonomously, offloading the CPU and cutting power consumption in duty-cycled battery-backed nodes. The 16 KB RAM buffers sensor histories for onboard analytics. Compared with a PIC16-class MCU, the DSC adds DSP math for sensor correction algorithms (FFT-based vibration analysis, calibration curves) without changing board footprint or 3.3V power architecture, making migration straightforward.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP128MC506-E/MR ——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 | DSPIC33EP128MC506-I/MR | DSPIC33EP256MC506-E/MR | DSPIC33CK128MP506-E/MR | DSPIC33CK32MP506-E/MR |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) EP | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN - same class | 64-VQFN - same class |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH | 128 KB | 128 KB | 256 KB | 128 KB | 32 KB |
| Core Family | dsPIC33EP | dsPIC33EP - same | dsPIC33EP - same | dsPIC33CK (newer core) | dsPIC33CK (newer core) |
关键差异点
- Extended temperature and automotive qualification （对比 DSPIC33EP128MC506-I/MR)
- Same-footprint flash upgrade path （对比 DSPIC33EP256MC506-E/MR)
- Mature dsPIC33EP peripheral ecosystem （对比 DSPIC33CK128MP506-E/MR)
设计说明
The DSPIC33EP128MC506-E/MR requires a 3.0V to 3.6V supply. Provide one 0.1uF low-ESR ceramic capacitor at every VDD/VSS pin pair plus at least one bulk 10uF capacitor near the device. Multiple VDD pins in the 64-VQFN must all be connected - floating a power pin is a common failure cause. If the 3.3V rail comes from a buck converter, add an LC filter or ferrite bead to attenuate switching ripple that would otherwise couple into ADC measurements used by control loops.
Solder the exposed thermal pad of the 9x9 mm VQFN to a solid ground plane with a 3x3 or larger via array. This pad is the primary ground return; relying on perimeter pins alone raises ground impedance and worsens ADC accuracy and EMI. Route PWM traces away from analog feedback lines, and place shunt-resistor connections using Kelvin sensing directly to the op-amp input pins for accurate current measurement in FOC applications.
Configuration words set at programming time define oscillator source, watchdog, and code protection - verify them against your clocking scheme before production. The PLL requires specific input frequency ranges per the family datasheet (DS70000657J); an out-of-range crystal can prevent startup. When swapping to the -I/MR industrial variant, remember the +85C ceiling invalidates use in high-ambient automotive locations. Also confirm E-grade availability in the chosen package code before release, as temperature suffix and package code are ordered together.
合规信息
AEC-Q100 automotive qualification confirmed via datasheets.com part listing. RoHS/REACH/lead-free status not stated in the provided web data - verify on the Microchip product page or official compliance documentation before design-in.
