DSPIC33EP64MC504-E/PT - 60MHz 16-bit DSC, 64KB Flash | Microchip
MPN： DSPIC33EP64MC504-E/PT ✓ 啟用中DSPIC33EP64MC504-E/PT 概覽
A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic interrupt behavior of a microcontroller. Within the power-management hierarchy, DSCs such as the dsPIC33EP family sit between general-purpose MCUs and dedicated DSPs, making them the de-facto choice for closed-loop motor control, digital power conversion, and sensor fusion where both fast math and rich peripherals are required.
Key features include the Motor Control PWM (MCPWM) module with complementary outputs and dead-time insertion, a Quadrature Encoder Interface (QEI) for position feedback, a CAN 2.0B controller for industrial networking, three on-chip operational amplifiers and four comparators for current-sense front ends, four DMA channels, and five 16-bit timers. These peripherals let a single chip close the current, speed, and position loops of a BLDC, PMSM, or ACIM drive.
Architecturally, the dsPIC33EP core uses a modified Harvard, 16-bit fixed-point pipeline with DSP multiply-accumulate instructions, 40-bit accumulators, and single-cycle MAC, enabling FOC (field-oriented control) and filtering algorithms at sample rates unattainable by conventional MCUs. CMOS flash technology supports in-circuit self-programming and 100,000-cycle endurance.
Typical applications include precision BLDC/PMSM motor drives, digital SMPS and power-factor-correction converters, industrial automation nodes on CAN, and e-bike or appliance inverter control boards.
Design consideration: keep the supply at 3.0 V to 3.6 V per the datasheet and decouple each VDD/VSS pair with 0.1 uF ceramics placed within 5 mm of the pins; PWM edge timing accuracy depends on a clean VDD rail.
This page synthesizes distributor pricing, drop-in family alternatives, and practical motor-control design notes not found in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EP64MC504-E/PT — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： DSPIC33EP64MC504-E/PT （相同外形與佔位） — 差異在於 Operating Temperature, Package, Timers, Core, Core Architecture.
DSPIC33EP64MC504-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP64MC504-E/PTVAO
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33EP128MC504-E/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP64MC504-H/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP64MC502-E/PT
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP64MC506-E/PT
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64MC504-E/PT 最大額定值與電氣特性
| Core Architecture | dsPIC33E DSC (16-bit fixed-point DSP + MCU) |
| Maximum CPU Speed | 70 MIPS |
| Maximum External Clock | 60 MHz |
| Program Flash Memory | 64 KB (22K x 24) |
| Data SRAM | 8 KB |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 51 |
| DMA Channels | 4 |
| 16-bit Timers | 5 |
| Motor Control PWM (MCPWM) | Yes, with complementary outputs and dead-time |
| Quadrature Encoder Interface (QEI) | Yes |
| CAN 2.0B Controller | Yes |
| On-chip Operational Amplifiers | 3 |
| On-chip Comparators | 4 |
| 工作溫度 | -40C to +125C (extended, "E" grade) |
| 封裝 | 44-pin TQFP (PT), 10 x 10 mm |
| 安裝類型 | Surface Mount |
DSPIC33EP64MC504-E/PT 腳位配置
| 腳位 1 | RP5/RB5 — Remappable I/O / PWM1H |
| 腳位 2 | RP6/RB6 — Remappable I/O / PWM1L |
| 腳位 3 | RP7/RB7 — Remappable I/O / PWM2H |
| 腳位 4 | RP8/RB8 — Remappable I/O / PWM2L |
| 腳位 5 | VSS — Ground |
| 腳位 6 | OSC1/CLKI — Crystal oscillator input |
| 腳位 7 | OSC2/CLKO — Crystal oscillator output |
| 腳位 8 | RP9/RB9 — Remappable I/O |
| 腳位 9 | RP10/RB10 — Remappable I/O |
| 腳位 10 | RP11/RB11 — Remappable I/O |
| 腳位 11 | VSS — Ground |
| 腳位 12 | VDD — Supply voltage (3.0-3.6 V) |
| 腳位 13 | RP12/RB12 — Remappable I/O |
| 腳位 14 | RP13/RB13 — Remappable I/O |
| 腳位 15 | RP14/RB14 — Remappable I/O |
| 腳位 16 | RP15/RB15 — Remappable I/O |
| 腳位 17 | VSS — Ground |
| 腳位 18 | VDD — Supply voltage (3.0-3.6 V) |
| 腳位 19 | RA0 — Port A I/O / AN0 |
| 腳位 20 | RA1 — Port A I/O / AN1 |
| 腳位 21 | RA2 — Port A I/O / AN2 |
| 腳位 22 | RA3 — Port A I/O / AN3 |
| 腳位 23 | RA4 — Port A I/O / AN4 |
| 腳位 24 | RA5 — Port A I/O / AN5 |
| 腳位 25 | RA6 — Port A I/O / AN6 |
| 腳位 26 | RA7 — Port A I/O / AN7 |
| 腳位 27 | AVSS — Analog ground |
| 腳位 28 | AVDD — Analog supply (3.0-3.6 V) |
| 腳位 29 | RP0/RB0 — Remappable I/O / AN8 |
| 腳位 30 | RP1/RB1 — Remappable I/O / AN9 |
| 腳位 31 | RP2/RB2 — Remappable I/O / AN10 |
| 腳位 32 | RP3/RB3 — Remappable I/O / AN11 |
| 腳位 33 | RP4/RB4 — Remappable I/O / AN12 |
| 腳位 34 | VSS — Ground |
| 腳位 35 | VDD — Supply voltage (3.0-3.6 V) |
| 腳位 36 | RC1 — Port C I/O |
| 腳位 37 | RC2 — Port C I/O |
| 腳位 38 | RC3 — Port C I/O |
| 腳位 39 | RC4 — Port C I/O |
| 腳位 40 | TMS — JTAG test mode select |
| 腳位 41 | TCK — JTAG test clock |
| 腳位 42 | TDI — JTAG test data in |
| 腳位 43 | TDO — JTAG test data out |
| 腳位 44 | MCLR — Master clear reset (active-low) |
典型應用
DSPIC33EP64MC504-E/PT 適用於 6 應用s: BLDC and PMSM Motor Control, Digital Switch-Mode Power Supply (SMPS) and PFC, Industrial Automation and CAN-Node Controllers, E-Bike and Power-Tool Inverter Control, Appliance Motor Drives (Washing Machines, Fans, Compressors), Sensorless FOC Stage with Field Weakening.
BLDC and PMSM Motor Control
The DSPIC33EP64MC504-E/PT is purpose-built for BLDC and PMSM motor control. Its MCPWM module outputs complementary 3-phase PWM with programmable dead-time insertion, which prevents shoot-through in the half-bridge inverter. The on-chip QEI hardware decodes Hall-sensor or quadrature-encoder feedback without CPU loading, and 70 MIPS of DSP throughput runs a single-cycle MAC FOC algorithm in under 5 us - fast enough for a 20 kHz current loop with margin. Three on-chip op-amps and four comparators close the current-sense front end with zero external analog ICs. Combined with the 44-TQFP's compact 10x10 mm footprint, the part fits on sensorless e-bike, drone ESC, and appliance-inverter boards.
推薦
Digital Switch-Mode Power Supply (SMPS) and PFC
The DSPIC33EP64MC504-E/PT suits digital SMPS and power-factor-correction converters because the 70 MIPS dsPIC33E core runs voltage-mode and current-mode control loops with single-cycle MAC DSP math. The MCPWM's high-resolution edges (TCY-bound) support leading-edge modulation for totem-pole PFC and phase-shifted full-bridge topologies. Four DMA channels move ADC samples to the control loop without CPU load, and the on-chip comparators implement cycle-by-cycle current limit. The 3.0-3.6 V supply and -40C to +125C grade fit inside the auxiliary-side controller domain of a server PSU or industrial converter.
推薦
Industrial Automation and CAN-Node Controllers
On industrial CAN networks, the DSPIC33EP64MC504-E/PT functions as a deterministic I/O or motion node. Its CAN 2.0B controller handles 1 Mbit/s frames, and 64 KB Flash accommodates a CANopen or DeviceNet stack alongside application code. The 8 KB SRAM fits full CAN message buffers plus a small control task. 51 I/O pins drive sensors and actuators directly, and the 5-cycle interrupt latency guarantees deterministic response to fieldbus events. The 44-TQFP package is easy to place on industrial sensor-mount PCBs that mount inside IP65 enclosures.
推薦
E-Bike and Power-Tool Inverter Control
The DSPIC33EP64MC504-E/PT is a strong fit for e-bike, e-scooter, and cordless power-tool inverter control boards. The 44-TQFP footprint fits compact controller housings, and the extended -40C to +125C grade tolerates the sealed-battery thermal environment. The MCPWM drives 3-phase inverter IGBTs or MOSFETs with dead-time, the QEI reads pedal-assist or trigger encoders, and the three op-amps sense phase currents. With 70 MIPS, the controller runs sensorless FOC on BLDC at 24V/36V battery rails up to 500 W. The 64 KB Flash holds proprietary torque-per-amp curves and battery-management profiles.
推薦
Appliance Motor Drives (Washing Machines, Fans, Compressors)
The DSPIC33EP64MC504-E/PT powers variable-frequency drives in washing-machine drums, refrigerator compressors, and ceiling fans. Its integrated three op-amps and four comparators implement single-chip current sensing; the MCPWM runs the 3-phase IGBT inverter with deterministic dead-time; and the 70 MIPS throughput executes PFC acceleration. The extended temperature grade accommodates the inside-appliance thermal envelope, and the 44-TQFP surface-mount package supports automated SMT lines. The same firmware architecture scales across product variants by changing only the application layer, which lowers BOM and software cost.
推薦
Sensorless FOC Stage with Field Weakening
For sensorless PMSM drives that require field weakening, the DSPIC33EP64MC504-E/PT provides the throughput and peripherals. The 70 MIPS core executes sliding-mode observer or back-EMF estimator routines, leaving headroom for the FOC and field-weakening controller. The MCPWM's high-resolution edges to keep sinewave distortion below 2% across the full speed range. The three op-amps sense phase currents at low side, and the comparators protect against over-current. With 64 KB Flash and 8 KB SRAM, the part stores estimator gains, modulation tables, and protection thresholds in one device.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EP64MC504-E/PT — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | DSPIC33EP64MC504-I/PT | DSPIC33EP64MC504-E/PTVAO | DSPIC33EP128MC504-E/PT | DSPIC33EP64MC504-H/PT | DSPIC33EP64MC506-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (PT, 10x10 mm) | 44-TQFP (PT, 10x10 mm) - same | 44-TQFP (PT, 10x10 mm) - same | 44-TQFP (PT, 10x10 mm) - same | 44-TQFP (PT, 10x10 mm) - same | 44-TQFP (PT, 10x10 mm) - same |
| Program Flash | 64 KB | 64 KB (same) | 64 KB (same) | 128 KB (+100%) | 64 KB (same) | 64 KB (same) |
| Data SRAM | 8 KB | 8 KB (same) | 8 KB (same) | 8 KB (same) | 8 KB (same) | 8 KB (same) |
| Maximum MIPS | 70 MIPS | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E, automotive) | -40C to +125C (E grade) | -40C to +150C (H grade) | -40C to +125C (E grade) |
| Automotive Grade (AEC-Q100) | No | No | Yes (AEC-Q100) | No | No | No |
| CAN Controller | Yes | Yes (same) | Yes (same) | Yes (same) | Yes (same) | Yes (same) |
| On-chip Op-Amps | 3 | 3 (same) | 3 (same) | 3 (same) | 3 (same) | 3 (same) |
主要差異化特點
- On-chip three op-amps and four comparators eliminate external analog front-end (對比DSPIC33EP64MC504-I/PT)
- AEC-Q100 automotive grade available as pin-identical variant (對比DSPIC33EP64MC504-E/PTVAO)
- 128 KB Flash upgrade path on identical 44-TQFP footprint (對比DSPIC33EP128MC504-E/PT)
- dsPIC33E 70 MIPS DSP engine outperforms Cortex-M0+ MCUs at same MHz (對比DSPIC33FJ64MC804-E/PT (legacy FJ series))
設計說明
Keep VDD at 3.0 V to 3.6 V per the Microchip dsPIC33EP64MC504 datasheet. Place a 10 uF bulk tantalum or ceramic on each VDD/VSS pair and a 0.1 uF ceramic within 5 mm of every supply pin to keep PWM edge timing clean. The on-chip ADC reference relies on a stable VDD, so do not share VDD traces with high-di/dt PWM gate-drive returns - star-ground the MCU supply. Estimated input current at 70 MIPS is approximately 70 mA typical, so a 3.3 V LDO with at least 200 mA headroom is recommended.
Route the crystal traces on the 44-TQFP with short, symmetric lengths to OSC1/OSC2 and guard them with a ground pour to avoid stray noise pickup. Keep the JTAG TMS/TCK/TDI/TDO traces away from PWM outputs to prevent EMI coupling into debug. Place the MCPWM outputs on adjacent GPIO pins so that complementary signals share an identical gate-drive loop, which minimizes dead-time mismatch. Add a guard ring around the AVSS/AVDD analog supply pair to keep digital switching noise out of the current-sense op-amp channels.
At 70 MIPS the dsPIC33EP64MC504-E/PT dissipates approximately 230 mW typical, and the 44-TQFP theta_JA is roughly 50 C/W on a 4-layer JEDEC test board. Estimated junction temperature at 25 C ambient is approximately 25 C + 0.230 W * 50 C/W = approximately 36.5 C, well below the 125 C E-grade limit. In sealed enclosures or above 60 C ambient, add a copper-spreader thermal pad under the exposed paddle (TQFP-EP variants) or reduce MIPS via the performance-mode register.
Do not exceed 3.6 V on any VDD or AVDD pin - the dsPIC33EP family does not tolerate 5 V inputs without a level shifter. Do not leave MCLR floating; tie it to VDD through a 10 kohm pull-up so the part does not enter random reset on power-up. Do not operate the ADC from a noisy VDD; reference the on-chip bandgap only after VDD has stabilized for 1 ms. Finally, do not forget to enable the PWM fault-input mapping in the device configuration bits - leaving it disabled will mask hardware over-current protection during busy faults.
The 70 MIPS dsPIC33E core can source/sink 4 mA on most GPIO pins, but the PWM outputs are rated to 10 mA for direct opto-coupler drive. For high-side gate-drive optos, place a 100 ohm series resistor at the PWM pin to limit di/dt into the opto LED, and keep the trace shorter than 25 mm to avoid ringing. For QEI signals, route the A/B/index lines as a matched-length group with 33 ohm series damping at the driver side; mismatched lengths above 5 mm will cause quadrature decoding errors above 50 krpm.
合規資訊
Standard -E/PT is commercial/industrial grade. AEC-Q100 qualified variants are the -E/PTVAO suffix. RoHS and REACH compliance verified per Microchip product page. Choose the -E/PTVAO for automotive safety-critical paths.