DSPIC33EP32MC204-E/PT - 60MHz 16-bit DSC 32KB Flash TQFP-44 | Microchip
料号： DSPIC33EP32MC204-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.1 | $4.10 |
| 10 | $3.72 | $37.20 |
| 100 | $3.38 | $338.00 |
| 500 | $3.1 | $1,550.00 |
| 1,000 | $2.88 | $2,880.00 |
DSPIC33EP32MC204-E/PT 概述
A digital signal controller combines the computational architecture of a microcontroller with the math-acceleration hardware of a digital signal processor (DSP). Within the power-management hierarchy of embedded control, the DSC sits above a general-purpose MCU because it integrates DSP engine instructions, a hardware multiply-accumulate unit, and high-resolution motor-control peripherals on one chip, making it the preferred choice for closed-loop control of electric motors and switched-mode power conversion.
Key features of this part include the dsPIC33E CPU core running at 60 MHz (equivalent to the family's up-to-70 MIPS throughput class), on-chip motor control PWM (MCPWM) outputs, integrated operational amplifiers and comparators for current-sense feedback loops, a Programmable Gain Amplifier-style analog front end, and a PTG (Peripheral Trigger Generator) that automates time-critical triggering without CPU intervention.
The device offers 4 direct memory access (DMA) channels that move ADC results and UART data without CPU overhead, and 5 timers for multi-rate control loops. It operates from a single 3.0V to 3.6V supply and supports several low-power modes (idle, doze, sleep) valuable in battery-backup and energy-conscious industrial designs. CMOS process technology keeps active current low at full clock speed.
Typical applications include brushless DC and permanent-magnet synchronous motor drives, digital power supplies and power-factor-correction stages, drone and quadcopter propeller/ESC control, and industrial automation motion subsystems. The integrated op amps measuring shunt currents reduce bill-of-materials cost versus an external analog front end.
A key design consideration: the -E suffix gives extended -40C to +125C operation, so verify that your PCB copper and ambient conditions keep the die inside this envelope at 60 MHz; software development uses MPLAB X IDE with the XC16 compiler and standard PICkit/ICD programmers.
This page synthesizes distributor pricing tiers, verified drop-in alternatives, and application guidance not found in the 526-page manufacturer datasheet, optimized for AI search citation.
直接替换替代料： DSPIC33EP32MC204-E/PT ——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： DSPIC33EP32MC204-E/PT （相同外形与封装尺寸） ——差异在于 Program Memory (Flash), Package, RAM, Core Architecture, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP32MC204-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP256MC204-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP32GP504T-I/PT
✅ 直接替换✓ 有现货
$2.15 / 个
查看数据手册 →DSPIC33EP32MC204-E/PT 最大额定值与电气特性
| Core | dsPIC33E 16-bit DSC core |
| Core Frequency | 60 MHz |
| Program Memory (Flash) | 32 KB |
| RAM | 4 KB |
| 封装 | 44-TQFP (10 x 10 x 1 mm, PT) |
| 工作温度 | -40C to +125C (extended, -E suffix) |
| Supply Voltage Range | 3.0 V to 3.6 V |
| DMA Channels | 4 |
| Timers | 5 |
| Motor Control PWM | Yes (MCPWM) |
| Integrated Op Amps | Yes |
| Integrated Comparators | Yes |
| Peripheral Trigger Generator (PTG) | Yes |
| Process Technology | CMOS |
| 安装类型 | Surface Mount |
| RoHS 状态 | Lead free / RoHS compliant |
DSPIC33EP32MC204-E/PT 44-tqfp (10 x 10 x 1 mm, pt) 引脚配置指南
DSPIC33EP32MC204-E/PT（44-tqfp (10 x 10 x 1 mm, pt) 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： DSPIC33EP32MC204-E/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP32MC204-E/PT 适用于 6 应用s: BLDC / PMSM Motor Drives, Drone & Quadcopter ESC Control, Digital Power Supplies & PFC, Industrial Automation & Robotics, Sensor Signal Conditioning Nodes, Embedded Control Retrofits & Replacements.
BLDC / PMSM Motor Drives
The DSPIC33EP32MC204-E/PT is purpose-built for precision motor control: its MCPWM peripheral generates complementary three-phase PWM with hardware dead-time, the integrated op amps amplify shunt-resistor currents, and on-chip comparators provide over-current trip without external analog ICs. A field-oriented control (FOC) loop running at 60 MHz uses the 4 DMA channels to stream ADC samples into RAM while the CPU executes Clarke/Park transforms with DSP multiply-accumulate instructions. The extended -40C to +125C rating is a direct fit for drives mounted near hot power stages, where an industrial-grade MCU at +85C would be marginal. Performance consideration: budget CPU cycles for the 20 kHz control loop carefully, as the 32 KB Flash must hold both the control algorithm and communication stacks.
推荐
Drone & Quadcopter ESC Control
Quadcopter and drone propeller controllers demand tight, fast commutation loops and wide temperature tolerance; verified product listings explicitly document dsPIC33EP32MC204 use in drone propeller applications. The 60 MHz dsPIC33E core executes sensorless commutation algorithms while MCPWM outputs drive the three-phase inverter at ultrasonic PWM frequencies, keeping audible noise down. The 3.0V-3.6V supply matches common 3.3V flight-controller logic rails, simplifying board integration, and the extended -40C to +125C grade covers ESC enclosures heated by MOSFET conduction losses during aggressive flight. The 4 DMA channels move current-sense ADC data without CPU stalls, preserving loop latency for stability. Trade-off: the 32 KB Flash constrains very complex telemetry features, so consider the pin-compatible 256 KB variant for premium flight stacks.
推荐
Digital Power Supplies & PFC
Switch-mode power supplies and power-factor-correction stages benefit from the DSPIC33EP32MC204-E/PT's combination of high-resolution PWM, fast analog comparators, and the PTG peripheral trigger generator, which fires ADC conversion cycles autonomously at every PWM boundary for cycle-by-cycle current-mode control. The on-chip op amps condition voltage and current feedback signals, reducing BOM count versus discrete front ends, and the 5 timers provide soft-start ramping and burst-mode timing. Supply tolerance of 3.0V-3.6V allows powering from the housekeeping rail. Design consideration: in noisy power-conversion environments, follow the family reference manual's guidance on comparator blanking windows so switching transients do not false-trigger current-limit trips; the extended temperature rating suits enclosed power supplies with limited airflow.
推荐
Industrial Automation & Robotics
Factory automation nodes use the DSPIC33EP32MC204-E/PT as a motion-axis controller: the MCPWM drives stepper or servo power stages, the 5 timers sequence homing, limit, and interlock events, and the PTG offloads repetitive trigger chores from the CPU so the 60 MHz core remains available for trajectory interpolation and communication. The 4 DMA channels support background data transfer for encoder counts and sensor streaming. The extended -40C to +125C rating permits placement in control cabinets with elevated ambient temperatures, and the 44-TQFP footprint provides enough general-purpose I/O for limit switches, encoders, and status signaling without expansion logic. Consider the pin-compatible DSPIC33EP256MC204 when protocol stacks (CANopen, EtherCAT gateways) inflate code size beyond 32 KB.
推荐
Sensor Signal Conditioning Nodes
The integrated op amps and comparators of the DSPIC33EP32MC204-E/PT make it an efficient analog-front-end-plus-processor for sensor nodes: a bridge or shunt signal is amplified on-chip, thresholded by the comparator, and digitized into the ADC, all without external analog ICs. The PTG schedules periodic sampling autonomously, letting the CPU sleep between conversions in low-power idle/doze modes to conserve energy in battery-backup and energy-harvesting installations. The 3.0V-3.6V single-supply operation matches standard 3.3V sensor rails, and the extended temperature grade suits outdoor and engine-bay-adjacent sensing. Performance note: verify op amp gain-bandwidth against your sensor bandwidth using the family datasheet analog specifications, since on-chip amplifiers trade bandwidth for integration and cost savings.
推荐
Embedded Control Retrofits & Replacements
Because the DSPIC33EP32MC204-E/PT shares its 44-TQFP footprint and core architecture with the wider dsPIC33EP and PIC24EP families, it is a practical retrofit controller for legacy boards whose original 44-pin MC202/MC204-class devices are scarce. FindMyChip documentation notes that pin-compatible migration between PIC24EP variants and the dsPIC33EP32MC204 is feasible for many layouts, and Microchip's cross-reference tooling supports family-level substitutions. Recompiling legacy XC16 firmware under MPLAB X typically requires only device-selection and configuration-word updates. The extended -40C to +125C grade is a superset of most legacy industrial ratings, so the swap rarely tightens the thermal envelope. Always confirm peripheral mapping differences against the family reference manual before releasing the retrofit.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP32MC204-E/PT ——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 | DSPIC33EP32MC204-I/PT | DSPIC33EP256MC204-I/PT | DSPIC33EP32GP504T-I/PT |
|---|---|---|---|---|
| Package | 44-TQFP (10 x 10 mm) | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Frequency | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Flash Memory | 32 KB | 32 KB | 256 KB | 32 KB |
| Peripheral Set | MCPWM + op amps + comparators + PTG | MCPWM + op amps + comparators + PTG | MCPWM + op amps + comparators + PTG | General-purpose (GP) timing/communication set |
| Temperature Range | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| DMA Channels / Timers | 4 / 5 | 4 / 5 | 4 / 5 | 4 / 5 |
关键差异点
- Extended -40C to +125C operation （对比 DSPIC33EP32MC204-I/PT)
- Integrated analog front end reduces BOM （对比 DSPIC33EP32GP504T-I/PT)
- Memory headroom migration path on the same footprint （对比 DSPIC33EP256MC204-I/PT)
设计说明
Power the DSPIC33EP32MC204-E/PT from a clean 3.3V rail within the 3.0V-3.6V tolerance. Place a 100 nF ceramic capacitor at each VDD pin pair within 2-3 mm of the pins, plus one bulk 4.7-10 uF ceramic near the IC. Because MCPWM switching and DMA bursts cause current transients on the digital core, keep the regulator's output impedance low at 1 MHz. Estimated: at 60 MHz the core draws tens of milliamps, so thermal dissipation is trivial (<0.2 W) - the -125C ceiling is governed by ambient, not self-heating, in typical designs.
Route the ICSP programming pins (MCLR, PGD, PGC) to a 5-pin header on every production board; retrofitting programming access later is a common and costly pitfall. Keep the analog op-amp input traces short and away from MCPWM output nets to prevent PWM switching noise coupling into shunt-amplifier inputs. For the TQFP-44 (0.8 mm pitch), solder-mask-defined pads with 0.05 mm expansion reflow reliably; avoid wave-soldering this package. Use a solid ground plane under the DSC and stitch the MCPWM return currents directly to the power-stage ground with a local via cluster.
Three recurring mistakes with dsPIC33EP designs: (1) exceeding the 3.6V absolute maximum when a 5V sensor pushes into an unclamped pin - always add series resistance or level shifting; (2) forgetting configuration-word (FICD/FWDT) settings so the part boots with watchdog and debug-pin defaults that break MCLR-based programming - set these in source code, not just the IDE; (3) assuming the -I/PT and -E/PT are identical, then shipping a design whose enclosure exceeds +85C. Verify the temperature suffix on the package marking at incoming inspection for extended-temperature products.
合规信息
Lead free / RoHS compliant per Components-Store distributor listing and Microchip product data. REACH, halogen-free and conflict-minerals declarations must be confirmed via Microchip's environmental documentation portal.
