DSPIC33EP64MC502T-E/SO - 16-bit 60 MIPS DSC, 64KB Flash | Microchip
料号： DSPIC33EP64MC502T-E/SO ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.86 | $486.00 |
| 500 | $4.34 | $2,170.00 |
| 1,000 | $3.95 | $3,950.00 |
DSPIC33EP64MC502T-E/SO 概述
A digital signal controller combines the computational architecture of a microcontroller with the DSP engine of a digital signal processor. In the power-management hierarchy, the DSC sits between general-purpose MCUs and dedicated DSPs: it executes deterministic real-time control loops (such as field-oriented motor control) while retaining integrated peripherals, flash self-programming, and single-supply operation. Microchip's dsPIC33E family extends this category with high-speed PWM modules, quadrature encoder interfaces, and advanced analog integration.
Key features of this part include the 16-bit dsPIC33EP core running at 60 MIPS with DSP multiply-accumulate instructions, a motor-control PWM peripheral with complementary outputs and dead-time insertion, and connectivity including CAN 2.0B, I2C, SPI, UART/USART, IrDA, LINbus, and QEI. The -E temperature suffix guarantees operation from -40C to +125C ambient, and the T suffix denotes tape-and-reel delivery for automated assembly.
Technically, the dsPIC33EP core integrates a 17-bit x 17-bit hardware multiplier, 40-bit accumulators, and single-cycle MAC for filtering and transform operations, enabling sensorless brushless DC and permanent-magnet motor control with phase-current feedback. The peripheral ecosystem (input capture, output compare, 12-bit ADC with multiple sample-and-hold channels) supports current-loop bandwidths far beyond typical MCU implementations.
Typical applications include brushless DC motor drives for appliances and HVAC blowers, permanent-magnet synchronous motor servo drives, digital power supplies and inverters, and CAN-networked automotive auxiliary actuators.
Design consideration: supply voltage must be held within 3.0V to 3.6V; ensure 0.1uF decoupling at every VDD pin and verify FLASH erase/write endurance against your application's parameter-storage schedule.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33EP64MC502T-E/SO ——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： DSPIC33EP64MC502T-E/SO （相同外形与封装尺寸） ——差异在于 Package, SRAM, Operating Temperature, Core, ADC Resolution.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP64MC502-E/SO
✅ 直接替换✓ 有现货
$2.65 / 个
查看数据手册 →DSPIC33EP64MC502T-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
DSPIC33EP128MC502-E/SO
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP32MC502-E/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.28 / 个
查看数据手册 →DSPIC33EP64MC202-E/SO
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP64GP502-E/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.26 / 个
查看数据手册 →DSPIC33EP256MC502-E/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.02 / 个
查看数据手册 →DSPIC33EP64MC502T-E/SO 最大额定值与电气特性
| Core | dsPIC33EP 16-bit |
| Max Speed | 60 MIPS |
| Program Memory | 64KB (22K x 24) Flash |
| SRAM | 8KB |
| 电源电压 | 3 V to 3.6 V |
| 封装 | 28-SOIC (SOIC-28, wide body) |
| 工作温度 | -40C to +125C (E grade) |
| Connectivity | CANbus, I2C, IrDA, LINbus, QEI, SPI, UART/USART |
| PWM | Motor-control high-speed PWM |
| Qualification | AEC-Q100 qualified |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Life Cycle Stage | ACTIVE |
DSPIC33EP64MC502T-E/SO 28-soic (soic-28, wide body) 引脚配置指南
DSPIC33EP64MC502T-E/SO（28-soic (soic-28, wide body) 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： DSPIC33EP64MC502T-E/SO.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP64MC502T-E/SO 适用于 6 应用s: Brushless DC Motor Drives, Permanent-Magnet Synchronous Motor (PMSM) Servo Drives, Digital Power Supplies and Inverters, Automotive Auxiliary Motor Control Nodes, Industrial Automation and Motion Control, Battery-Powered and Portable Power Tools.
Brushless DC Motor Drives
The DSPIC33EP64MC502T-E/SO fits sensorless and sensored BLDC drives through its combination of 60 MIPS DSP throughput, motor-control PWM with complementary outputs and hardware dead-time insertion, and QEI for rotor position feedback. Typical topology places the DSC at the center of a three-phase inverter: the MCPWM module generates 16-20 kHz complementary gate signals, the fast ADC samples phase currents synchronized to PWM centers, and single-cycle MAC instructions execute Clarke/Park transforms and PI current loops within each PWM period. Compared with a general-purpose MCU, hardware dead-time and dual-sample-and-hold ADCs keep current-loop latency below one PWM cycle, improving torque ripple and acoustic performance in appliance blowers, fans, and power tools.
推荐
Permanent-Magnet Synchronous Motor (PMSM) Servo Drives
For PMSM servo systems, the DSPIC33EP64MC502T-E/SO supplies field-oriented control capability in a compact 28-SOIC footprint. The 60 MIPS core with DSP MAC instructions runs FOC current loops at 16 kHz while an outer velocity/position loop uses QEI input from the encoder. The 12-bit ADC with multiple sample-and-hold channels captures phase currents and DC-bus voltage with PWM-triggered synchronization, minimizing measurement jitter. Designers typically budget 8KB SRAM across control state, transform tables, and communication stacks; this part's 8KB supports full cascaded-loop FOC with CAN reporting. The AEC-Q100 qualification and -40C to +125C range suit industrial servo axes and automotive auxiliary actuators exposed to elevated ambient temperatures.
推荐
Digital Power Supplies and Inverters
In digitally controlled AC-DC and DC-DC converters, the DSPIC33EP64MC502T-E/SO replaces analog control loops with firmware-based voltage-mode or current-mode regulation. The 60 MIPS core executes compensator updates each PWM cycle at switching frequencies up to several hundred kHz using the high-speed PWM module's phase-shift and complementary modes. ADC sampling synchronized to PWM valleys avoids switching-edge noise, a common pitfall in digital power designs. The 3V to 3.6V supply simplifies interface with low-voltage feedback dividers, while CAN/I2C/SPI links report telemetry to a system host. Peak-current-mode implementations benefit from single-cycle ADC-to-PWM response, achieving transient recovery comparable to premium analog controllers.
推荐
Automotive Auxiliary Motor Control Nodes
The AEC-Q100 qualification and -40C to +125C operating range make the DSPIC33EP64MC502T-E/SO appropriate for automotive auxiliary drives such as HVAC dampers, throttle actuators, pumps, and cooling-fan modules. On-board CAN 2.0B connects the node to vehicle networks, while LINbus and IrDA-capable UART support lower-cost sub-networks and end-of-line diagnostics. The motor-control PWM drives H-bridge or three-phase stages for brushed and BLDC loads respectively, and firmware-based commutation allows one part number to cover multiple actuator variants, reducing development and inventory cost across a vehicle platform. Tape-and-reel packaging supports high-volume automotive SMT assembly directly.
推荐
Industrial Automation and Motion Control
In factory automation, the DSPIC33EP64MC502T-E/SO serves as a compact motion controller or intelligent actuator head. The QEI peripheral decodes incremental encoder feedback directly in hardware, freeing CPU cycles for trajectory planning at the 60 MIPS core, while SPI and I2C connect to absolute encoders, DACs, and human-machine interfaces. Multiple UART channels with LINbus support link the node to PLC-level networks or RS-485-style multidrop buses through external transceivers. The remappable peripheral pin select (PPS) architecture lets one PCB design serve stepper, DC-servo, and BLDC axis variants by changing firmware pin routing, reducing the number of board revisions needed across a product family.
推荐
Battery-Powered and Portable Power Tools
Cordless power tools and battery garden equipment use the DSPIC33EP64MC502T-E/SO for sensorless BLDC control where efficiency directly extends runtime. At 60 MIPS the core executes sensorless back-EMF observers with rapid startup algorithms, while the motor-control PWM supports trapezoidal and sinusoidal commutation selectable per product tier. The 3.3V logic and sleep modes keep standby drain low relative to the battery pack, and the 64KB Flash holds commutation, battery-fuel-gauging, and protection firmware with room for over-the-air-like field updates via UART bootloader. The wide -40C to +125C range covers tool motor-bay ambient conditions near the driver electronics.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP64MC502T-E/SO ——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 | DSPIC33EP64MC502-E/SO | DSPIC33EP64MC502T-I/SO | DSPIC33EP128MC502-E/SO | DSPIC33EP64MC202-E/SO | DSPIC33EP64GP502-E/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Memory | 64KB (22K x 24) | 64KB (22K x 24) | 64KB (22K x 24) | 128KB (43K x 24) | 64KB (22K x 24) | 64KB (22K x 24) |
| CAN 2.0B | Yes | Yes | Yes | Yes | No | Yes |
| Temperature Range | -40C to +125C (E) | -40C to +125C | -40C to +85C (I) | -40C to +125C | -40C to +125C | -40C to +125C |
| Packaging Format | Tape & Reel (T) | Tube/Tray | Tape & Reel | Tube/Tray | Tube/Tray | Tube/Tray |
关键差异点
- Extended -40C to +125C automotive-grade temperature range （对比 DSPIC33EP64MC502T-I/SO)
- Motor-control-optimized peripheral set with CAN （对比 DSPIC33EP64MC202-E/SO)
- Tape-and-reel delivery for volume SMT production （对比 DSPIC33EP64MC502-E/SO)
- Memory headroom trade-off available without redesign （对比 DSPIC33EP128MC502-E/SO)
设计说明
Supply the DSC from a clean 3.0V to 3.6V rail (nominal 3.3V). Place a 0.1uF ceramic capacitor at every VDD/VSS pin pair, within 5mm of the pins, plus at least 4.7uF bulk near the regulator. The 60 MIPS core plus simultaneous PWM switching creates fast transient currents that violate the supply tolerance rail if decoupling is distant. Level-shift any 5V-logic signals, since dsPIC33EP pins are not generally 5V tolerant.
Route the motor-control PWM outputs with gate-driver trace lengths matched per phase to keep dead-time symmetric. Keep the QEI encoder inputs away from inverter switching nodes to prevent false counts; use differential receiver buffers for encoders longer than 30cm. Ground the analog ADC reference with a dedicated Kelvin return to VSS, separate from PWM/power ground flow, converging at a single point near the supply input.
MCLR must be pulled up (4.7k-10k) and may be used for ICSP programming - do not load it with low-impedance circuitry. PPS remapping is write-once-latched in some configurations: configure peripheral pin select before enabling peripherals and follow the unlock sequence exactly. Verify CONFIG register settings (OSC, watchdog, boot protection) in code rather than relying on defaults, since incorrect oscillator config can leave the device silent at power-up.
合规信息
AEC-Q100 qualification confirmed by Microchip USA product listing. RoHS/REACH/lead-free status not stated in provided data - verify on Microchip's official product page.
