DSPIC33EP64MC202-E/MM - 16-bit DSC 64KB Flash 60MHz QFN-28 | Microchip
料号： DSPIC33EP64MC202-E/MM ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.65 | $6.65 |
| 10 | $6.2 | $62.00 |
| 100 | $5.75 | $575.00 |
| 500 | $5.3 | $2,650.00 |
| 1,000 | $4.9 | $4,900.00 |
DSPIC33EP64MC202-E/MM 概述
A digital signal controller combines the deterministic interrupt architecture and peripherals of a microcontroller with the math acceleration of a DSP. Within the power-management hierarchy of embedded control, the DSC sits between general-purpose MCUs and dedicated DSPs, making the dsPIC33EP family the standard choice for closed-loop motor control and digitally controlled power conversion.
Key features include MCPWM (motor control PWM) with complementary outputs and dead-time insertion, a quadrature encoder interface (QEI), three on-chip operational amplifiers and four analog comparators, plus a Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing. Four DMA channels offload data movement, and five timers support complex control loops.
The dsPIC33E core integrates a DSP engine with 17-bit by 17-bit single-cycle MAC, dual 40-bit accumulators, and a barrel shifter, executing up to 70 MIPS. C compiler friendly architecture plus the extensive analog front-end reduce external component count in inverter and PFC designs.
Typical applications include brushless DC and PMSM motor drives, solar micro-inverters, digital power supplies ( LLC, buck/boost ), and industrial sensor conditioning where the -40C to +125C E-grade rating and integrated op amps matter.
Design consideration: the 3.0 V to 3.6 V supply rail requires a stable LDO or buck regulator; all analog pins shared with PWM outputs must be carefully allocated during pin planning because the 28-pin package is pin-limited.
This page synthesizes distributor pricing (LCSC from $6.65 as of 2026-09-25), drop-in alternatives within the same 6x6 QFN-28 footprint, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33EP64MC202-E/MM ——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： DSPIC33EP64MC202-E/MM （相同外形与封装尺寸） ——差异在于 Core, Operating Temperature, Package, Program Memory Size, RAM Size.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP64MC202-I/MM
✅ 直接替换✓ 有现货
$2.29 / 个
查看数据手册 →DSPIC33EP64MC202-E/MMVAO
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33EP128MC202-E/MM
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
联系询价
查看数据手册 →DSPIC33EP32MC202-E/MM
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.3 / 个
查看数据手册 →DSPIC33EP64MC202T-E/MM
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.64 / 个
查看数据手册 →DSPIC33EP64MC202-E/MM 最大额定值与电气特性
| Core | dsPIC33E 16-bit DSC core |
| Core Clock Speed | 60 MHz |
| 数据总线宽度 | 16 bit |
| Program Memory Size | 64 KB Flash |
| RAM Size | 8 KB |
| 电源电压 | 3 V to 3.6 V |
| 工作温度 | -40C to +125C (E grade) |
| 封装 | 28-QFN-S (6x6 mm) |
| 安装类型 | Surface Mount |
| I/O Count | 21 |
| Timers | 5 |
| DMA Channels | 4 |
| Motor Control PWM (MCPWM) | Yes |
| Quadrature Encoder Interface (QEI) | Yes |
| On-chip Op Amps | 3 |
| Analog Comparators | 4 |
| Peripheral Trigger Generator (PTG) | Yes |
| Serial Interfaces | 2 (UART/SPI/I2C remappable) |
| DSP Engine | Single-cycle 17x17 MAC, dual 40-bit accumulators, barrel shifter |
| RoHS 状态 | Compliant (per distributor listings) |
DSPIC33EP64MC202-E/MM 28-qfn-s (6x6 mm) 引脚配置指南
DSPIC33EP64MC202-E/MM（28-qfn-s (6x6 mm) 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： DSPIC33EP64MC202-E/MM.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP64MC202-E/MM 适用于 6 应用s: Brushless DC / PMSM Motor Drives, Digital Power Supplies (LLC, Buck/Boost, PFC), Solar Micro-Inverters, Industrial Sensor Conditioning and Signal Chains, Embedded Motor-Control Networking Nodes, Automotive-Adjacent and Harsh-Environment Control Units.
Brushless DC / PMSM Motor Drives
The DSPIC33EP64MC202-E/MM fits BLDC and PMSM drives because its MCPWM module generates complementary PWM pairs with hardware dead-time insertion, while the quadrature encoder interface (QEI) accepts position feedback directly. The 60 MHz dsPIC33E core executes field-oriented control with single-cycle 17x17 MAC operations, keeping current-loop cycle times in the tens of microseconds. Three on-chip op amps condition shunt-current signals and four comparators provide cycle-by-cycle overcurrent trip without CPU latency. Used as the sole controller between the encoder and the gate-driver stage, it eliminates an external analog front-end; the main trade-off is the 21-I/O budget of the 28-pin package, which suits single-motor focused designs rather than multi-axis systems.
推荐
Digital Power Supplies (LLC, Buck/Boost, PFC)
In digitally controlled power conversion, the DSPIC33EP64MC202-E/MM provides the deterministic high-frequency PWM control needed for LLC, buck/boost and PFC stages. The 60 MHz core and DSP MAC execute 3-pole/3-zero compensators at switching frequencies of 100 kHz to several hundred kHz, while the Peripheral Trigger Generator (PTG) sequences ADC sampling autonomously, reducing interrupt jitter. Four analog comparators enable hardware fast-overcurrent protection that reacts within the same switching cycle. Because the -40C to +125C E-grade rating covers enclosed PSU environments near hot components, the part can sit directly on the power board. Design consideration: budget the single ADC and limited 8 KB RAM carefully when running multiple control loops concurrently.
推荐
Solar Micro-Inverters
Solar micro-inverters demand MPPT control, grid-synchronized PWM, and high-temperature tolerance - all strengths of the DSPIC33EP64MC202-E/MM. The 60 MHz DSC core runs MPPT algorithms and grid-current compensators using its single-cycle DSP MAC, while the MCPWM module drives interleaved power stages with dead-time control. On-chip op amps condition panel voltage/current sense signals, cutting external component count on the densely packed micro-inverter PCB. The extended -40C to +125C operating range matches rooftop junction temperatures. Firmware including grid-tie control and safety disconnect logic fits within the 64 KB flash for single-stage designs. Note that full grid-certification firmware with communication may require the pin-compatible DSPIC33EP128MC202-E/MM upgrade for headroom.
推荐
Industrial Sensor Conditioning and Signal Chains
With three integrated operational amplifiers and four comparators, the DSPIC33EP64MC202-E/MM acts as a single-chip sensor-conditioning node: the op amps amplify strain-gauge, thermocouple or current-shunt signals, the on-chip ADC digitizes them, and the DSP core applies filtering and linearization - including IIR/FIR routines accelerated by the 17x17 MAC. Four DMA channels stream sampled data to RAM without CPU overhead, and remappable RPn pins let designers route UART, SPI or I2C to whichever of the 21 I/O pins the layout requires. The -40C to +125C E-grade suits outdoor and factory-floor enclosures. Trade-off: the 28-pin package limits simultaneous analog and communication channels, so scope pin mapping early in the design.
推荐
Embedded Motor-Control Networking Nodes
Many industrial drives must report status and accept commands over a field bus. The DSPIC33EP64MC202-E/MM pairs its motor-control peripherals with remappable UART, SPI and I2C, allowing CAN (via an external controller such as the MCP2515), Modbus-RTU, or propriety serial links on any of its RPn pins. The 60 MHz core has ample headroom to run the control loop and protocol stack concurrently, and the 8 KB RAM buffers message queues for multi-packet protocols. The Peripheral Trigger Generator can timestamp events for condition-monitoring payloads. In a networked drive node, the DSC typically reads the encoder via QEI, closes the current loop, and streams telemetry - one chip replacing separate MCU plus interface logic, at a $6.65 unit price point as of 2026-09-25.
推荐
Automotive-Adjacent and Harsh-Environment Control Units
Although not AEC-Q100 qualified, the -40C to +125C E-grade DSPIC33EP64MC202-E/MM serves off-highway, agricultural, and auxiliary automotive-adjacent control units where engine-bay-like temperatures occur. Its watchdog, brown-out detect, and configurable clock-fail safeguards support dependable operation, while the PTG and five timers handle actuator sequencing (valves, pumps, fans) autonomously. The 64 KB flash accommodates diagnostic and fault-logging code alongside the control algorithm. Designers should note the 3.0 V to 3.6 V supply requirement - a load-dump-rated regulator chain is essential in 12 V vehicle systems. Where formal automotive qualification is mandatory, move to a qualified family member; otherwise this part delivers DSC-class control capability in a compact 6x6 mm QFN footprint.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP64MC202-E/MM ——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 | DSPIC33EP64MC202-I/MM | DSPIC33EP64MC202-E/MMVAO | DSPIC33EP128MC202-E/MM | DSPIC33EP32MC202-E/MM |
|---|---|---|---|---|---|
| Package | QFN-28 (6x6 mm, MM) | QFN-28 (6x6 mm) - same | QFN-28 PQCC (6x6 mm) - same | QFN-28 (6x6 mm) - same | QFN-28 (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 128 KB | 32 KB |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| Motor-Control Peripherals (MCPWM/QEI/OpAmps) | MCPWM, QEI, 3 op amps, 4 comparators | Identical peripheral set | Identical peripheral set | Identical peripheral set | Identical peripheral set |
| 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 |
| Lifecycle Status | Active | Active (in production, MicrochipDirect in stock) | Active | Active | Active |
关键差异点
- Extended -40C to +125C temperature rating in the same footprint （对比 DSPIC33EP64MC202-I/MM)
- Integrated analog front-end (3 op amps, 4 comparators) with MCPWM and QEI （对比 DSPIC33EP32MC202-E/MM)
- Memory headroom without respin （对比 DSPIC33EP128MC202-E/MM)
设计说明
The DSPIC33EP64MC202-E/MM requires a 3.0 V to 3.6 V supply. In motor-drive and power-conversion boards fed from 12 V or 24 V rails, use a switcher (e.g., buck) followed by an LDO for the VDD rail to keep switching ripple below the analog margin budget. Decouple each VDD pin with 0.1 uF ceramic placed within 2 mm, plus one 4.7 uF to 10 uF bulk capacitor. Estimated: a 100 mA average controller load from a 12 V rail dissipates roughly 0.87 W in a linear-only supply versus under 0.15 W with a two-stage buck+LDO chain - meaningful in sealed enclosures.
In the 6x6 mm QFN-28 (MM) footprint, the exposed die paddle under the package must be soldered to a grounded copper pad with an array of thermal vias - it is the primary ground and heat path. Keep the MCPWM gate-drive traces short and away from the op-amp/comparator analog pins; with only 21 I/O, most pins are shared analog/digital, so finalize the PPS (peripheral pin selection) mapping before routing. Route the OSC1/OSC2 crystal (if used) with short guard traces; the internal FRC oscillator eliminates the crystal entirely for cost-sensitive boards.
Two common pitfalls: (1) forgetting that E-grade parts at +125C derate flash retention/programming specs - verify DS70000657J Table 'DC Characteristics' for the exact derating at your maximum ambient rather than assuming industrial-grade figures; (2) relying on the 8 KB RAM carelessly - FOC stacks plus DMA buffers can exhaust it silently. Estimated: a typical 3-shunt FOC implementation with 10 kHz control loop consumes roughly 1.5-3 KB of RAM for state, buffers and lookup tables, leaving comfortable headroom, but adding a communication stack may require the pin-compatible 128 KB variant. Use the MPLAB X memory usage gauge during development.
合规信息
RoHS compliance and lead-free status per standard Microchip/distributor listings for the E/MM package. REACH, halogen-free, and conflict-minerals status not stated in provided data - confirm on Microchip's environmental page. Not AEC-Q100 qualified; the dsPIC33EP64MC202-E/MMVAO validated variant exists for sourcing flows requiring it.
