DSPIC33EP64MC503-E/M5 - 60 MIPS DSC 64KB Flash 36-UQFN | Microchip
料号： DSPIC33EP64MC503-E/M5 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.35 | $4.35 |
| 10 | $3.95 | $39.50 |
| 100 | $3.52 | $352.00 |
| 500 | $3.18 | $1,590.00 |
| 1,000 | $2.89 | $2,890.00 |
DSPIC33EP64MC503-E/M5 概述
A digital signal controller combines the compute throughput of a DSP with the peripheral integration and deterministic interrupt architecture of a microcontroller. DSCs sit within the broader embedded control hierarchy: microcontroller -> digital signal controller -> digital signal processor, and they are the device class of choice when a single chip must run control-loop mathematics (PID, field-oriented control) while also handling communications and housekeeping tasks.
Key features of this MC503 variant include motor-control peripherals (MCPWM, quadrature encoder interface), three on-chip operational amplifiers and four comparators that reduce external analog component count, and a CAN module for industrial and automotive networking. The dsPIC33E core delivers 60 MIPS sustained performance from flash with a zero-overhead DSP multiply-accumulate and barrel shifter for efficient filtering.
Architecturally, the device uses a modified Harvard 16-bit core with 24-bit instruction words, hardware loops, and two address generation units, allowing single-cycle MAC operations on DSP-style algorithms. The extended-temperature (-40C to +125C) 'E' grade suits harsh industrial environments.
Typical applications include brushless DC and PMSM motor control drives, digital power supplies, and CAN-networked industrial sensing nodes. The motor-control PWM and QEI peripherals make it a natural fit for servo and traction drives.
Design consideration: the 36-pin UQFN footprint places multiple VDD/VSS pairs close together; connect all power pins and decouple each pair with 0.1uF ceramics, and connect every PGECx/PGEDx pair correctly for ICSP programming.
This page synthesizes verified distributor data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： DSPIC33EP64MC503-E/M5 ——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： DSPIC33EP64MC503-E/M5 （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Core, RAM, On-chip Op Amps.
快速对比工具——选择替代料号进行并排对比：
DSPIC33EP64MC503-I/M5
✅ 直接替换✓ 有现货
$2.58 / 个
查看数据手册 →DSPIC33EP128MC503-I/M5
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP32MC503-I/M5
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.98 / 个
查看数据手册 →DSPIC33EP64GP503-I/M5
✅ 直接替换✓ 有现货
$3.32 / 个
查看数据手册 →DSPIC33EP32GP503-I/M5
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.27 / 个
查看数据手册 →DSPIC33EP64MC503-E/M5 最大额定值与电气特性
| Core | dsPIC33E 16-bit |
| Max CPU Speed | 60 MIPS (60 MHz) |
| Program Memory Size | 64KB (22K x 24) Flash |
| RAM Size | 8KB |
| 封装 | 36-VTLA / UQFN-36 (5x5 mm) with exposed pad |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +125C (E grade) |
| Supply Voltage Range | 3.0V to 3.6V |
| CAN | Yes (CAN 2.0B) |
| Motor Control PWM (MCPWM) | Yes |
| Quadrature Encoder Interface (QEI) | Yes |
| On-chip Op-Amps | 3 |
| On-chip Comparators | 4 |
| Programmable Taps Generator (PTG) | Yes |
| ICSP Programming | Yes (multiple PGECx/PGEDx pairs) |
| Interface Peripherals | CAN, UART, SPI, I2C |
DSPIC33EP64MC503-E/M5 36-vtla / uqfn-36 (5x5 mm) with exposed pad 引脚配置指南
DSPIC33EP64MC503-E/M5（36-vtla / uqfn-36 (5x5 mm) with 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： DSPIC33EP64MC503-E/M5.
请参阅 数据手册 以查看完整引脚配置。
典型应用
DSPIC33EP64MC503-E/M5 适用于 6 应用s: Brushless DC / PMSM Motor Drives, Industrial CAN Networking Nodes, Digital Power Supplies, Servo and Motion Control Systems, Automotive-Adjacent and Harsh-Environment Sensing, Embedded Instrumentation and Data Acquisition.
Brushless DC / PMSM Motor Drives
The DSPIC33EP64MC503-E/M5 is purpose-built for precision motor control: its MCPWM module generates complementary PWM with hardware dead-time, the QEI decodes encoder feedback, and the three on-chip op-amps condition current-shunt signals for field-oriented control without external amplifiers. In a typical 3.3V servo or traction drive, the DSC runs the FOC current loops at 60 MIPS while the four comparators provide hardware over-current trip, shutting down PWM within microseconds of a fault. This integration reduces BOM count and board area in the tight confines of motor housings and drive inverters.
推荐
Industrial CAN Networking Nodes
With an integrated CAN 2.0B module, the DSPIC33EP64MC503-E/M5 connects directly to industrial buses such as CANopen and DeviceNet through an external transceiver. The 60 MIPS core runs protocol stacks while servicing sensor acquisition, and the -40C to +125C E-grade rating survives cabinet and rooftop installations. Typical nodes combine the on-chip 12-bit ADC channels with the op-amps for analog sensing and use CAN for deterministic communication. Placing the transceiver within 20 cm of the CAN pins with proper split termination preserves signal integrity at 1 Mbps.
推荐
Digital Power Supplies
Digital SMPS designs benefit from the dsPIC33E core's single-cycle DSP MAC for compensation-loop execution at high switching frequencies, and the MCPWM module's configurable dead-time and fault inputs suit half-bridge and LLC topologies. The on-chip comparators implement cycle-by-cycle current limiting in hardware, independent of CPU latency, which is essential for fault robustness. Operating from a single 3.3V rail, the controller interfaces directly with gate-driver logic. The 64KB flash accommodates full control firmware plus housekeeping and communication stacks with headroom for field updates.
推荐
Servo and Motion Control Systems
Motion systems require coordinated multi-axis control with fast position feedback; the QEI hardware counts quadrature edges without CPU loading while the DSP engine executes cascaded position/velocity/current loops. The 8KB RAM holds trajectory buffers and control state across multiple axes. With three op-amps on chip, single-shunt or three-shunt current sensing is implemented with minimal external circuitry. The extended temperature rating allows mounting inside gearbox-adjacent drives where ambient temperatures exceed 85C, which standard industrial-grade parts cannot tolerate continuously.
推荐
Automotive-Adjacent and Harsh-Environment Sensing
The -E temperature grade (-40C to +125C) combined with CAN connectivity makes the DSPIC33EP64MC503-E/M5 suitable for off-road, agricultural, and heavy-equipment sensing and actuation modules that are specified to automotive-like environments but not necessarily AEC-Q100 qualified. Analog sensing via the on-chip op-amps and comparators handles resistive and inductive sensors, while the PTG (peripheral trigger generator) sequences acquisitions autonomously to reduce CPU overhead. Designs should verify vibration, ESD, and qualification requirements independently, as this part is not AEC-Q100 certified.
推荐
Embedded Instrumentation and Data Acquisition
Precision portable instrumentation exploits the DSC's DSP engine for digital filtering (FIR/IIR) of ADC streams at 60 MIPS while UART, SPI, and I2C handle host communication. The three op-amps buffer sensor signals before the ADC, and the four comparators implement threshold alarms in hardware. The 3.0V to 3.6V single-supply operation suits battery-powered designs, and the small 5x5 mm UQFN footprint fits handheld enclosures. In-system programming via ICSP permits calibration firmware updates on the production line without socketing the device.
推荐
推荐产品汇总
工程参考数据： DSPIC33EP64MC503-E/M5 ——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 | DSPIC33EP64MC503-I/M5 | DSPIC33EP128MC503-I/M5 | DSPIC33EP32MC503-I/M5 | DSPIC33EP64GP503-I/M5 |
|---|---|---|---|---|---|
| Package | 36-UQFN (5x5 mm) M5 | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same | 36-UQFN (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Memory | 64KB (22K x 24) | 64KB (22K x 24) | 128KB | 32KB | 64KB (22K x 24) |
| Motor-Control Peripherals (MCPWM/QEI) | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes | No / No (GP peripherals) |
| On-chip Op-Amps / Comparators | 3 / 4 | 3 / 4 | 3 / 4 | 3 / 4 | No MC analog set |
| CAN | Yes (CAN 2.0B) | Yes | Yes | Yes | Yes |
关键差异点
- Extended temperature grade for harsh environments （对比 DSPIC33EP64MC503-I/M5)
- Integrated analog front end reduces BOM （对比 DSPIC33EP64GP503-I/M5)
- Upgrade path to 128KB with zero PCB change （对比 DSPIC33EP128MC503-I/M5)
设计说明
The 36-UQFN (5x5 mm) M5 package has a central exposed pad that must be soldered to a grounded copper landing on the PCB for both mechanical reliability and thermal dissipation. Connect all VDD and VSS pins to their respective rails - omitting a power pin is a common bring-up failure on this family. Place one 0.1uF ceramic decoupling capacitor within 2 mm of each VDD/VSS pair and one 10uF bulk capacitor near the supply entry. Follow the land-pattern dimensions in the Microchip family data sheet rather than generic UQFN footprints.
ICSP programming requires that PGECx and PGEDx pins be used as a matched pair: if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2. Mixing pairs from different numbers prevents programming and debugging. The dsPIC33EP64MC503 provides multiple PGECx/PGEDx pairs (per the Microchip programming support documentation), so route at least one complete pair to a programming header. Additionally, MCLR must be pulled up to VDD through a 10k resistor and routed to the header for programming voltage application.
The device operates from a single 3.0V to 3.6V supply. For motor-drive applications, isolate the DSC supply from gate-driver supply transients with an LC filter or dedicated LDO, because PWM switching noise on VDD causes ADC misreads and spurious comparator trips. The -E grade is qualified to +125C junction, but Estimated: total power dissipation (core plus I/O) in a 5x5 mm UQFN with exposed pad typically stays below 0.5 W; verify junction temperature against theta_JA from the data sheet thermal table for your copper area.
Keep the CAN transceiver within 2 cm of the CAN TX/RX pins and use a split termination (two 60 ohm resistors with a 4.7 nF cap to ground) at the bus trunk for 1 Mbps operation. For QEI encoder inputs, add series 100 ohm resistors and optional RC filters if encoder cables exceed 30 cm, since the QEI counts noise glitches as motion. The on-chip op-amps are intended for current-shunt conditioning; keep shunt Kelvin routing short and differential to the op-amp inputs.
合规信息
Compliance data was not present in the provided verified web data. Although an ampheo listing describes automotive-oriented use, this device is not AEC-Q100 qualified per available data; verify RoHS/REACH status on Microchip's official product page before production.
