DSPIC33EP64MC504-E/PT - 60MHz 16-bit DSC, 64KB Flash | Microchip
MPN: DSPIC33EP64MC504-E/PT ✓ Hoạt độngDSPIC33EP64MC504-E/PT Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33EP64MC504-E/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33EP64MC504-E/PT (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Timers, Core, Core Architecture.
DSPIC33EP64MC504-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP64MC504-E/PTVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP128MC504-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP64MC504-H/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP64MC502-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP64MC506-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP64MC504-E/PT Tỷ lệ tối đa & tính chất điện
| 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 |
| Nhiệt độ hoạt động | -40C to +125C (extended, "E" grade) |
| Hộp | 44-pin TQFP (PT), 10 x 10 mm |
| Kiểu lắp đặt | Surface Mount |
Cấu hình chân DSPIC33EP64MC504-E/PT
| Chân 1 | RP5/RB5 — Remappable I/O / PWM1H |
| Chân 2 | RP6/RB6 — Remappable I/O / PWM1L |
| Chân 3 | RP7/RB7 — Remappable I/O / PWM2H |
| Chân 4 | RP8/RB8 — Remappable I/O / PWM2L |
| Chân 5 | VSS — Ground |
| Chân 6 | OSC1/CLKI — Crystal oscillator input |
| Chân 7 | OSC2/CLKO — Crystal oscillator output |
| Chân 8 | RP9/RB9 — Remappable I/O |
| Chân 9 | RP10/RB10 — Remappable I/O |
| Chân 10 | RP11/RB11 — Remappable I/O |
| Chân 11 | VSS — Ground |
| Chân 12 | VDD — Supply voltage (3.0-3.6 V) |
| Chân 13 | RP12/RB12 — Remappable I/O |
| Chân 14 | RP13/RB13 — Remappable I/O |
| Chân 15 | RP14/RB14 — Remappable I/O |
| Chân 16 | RP15/RB15 — Remappable I/O |
| Chân 17 | VSS — Ground |
| Chân 18 | VDD — Supply voltage (3.0-3.6 V) |
| Chân 19 | RA0 — Port A I/O / AN0 |
| Chân 20 | RA1 — Port A I/O / AN1 |
| Chân 21 | RA2 — Port A I/O / AN2 |
| Chân 22 | RA3 — Port A I/O / AN3 |
| Chân 23 | RA4 — Port A I/O / AN4 |
| Chân 24 | RA5 — Port A I/O / AN5 |
| Chân 25 | RA6 — Port A I/O / AN6 |
| Chân 26 | RA7 — Port A I/O / AN7 |
| Chân 27 | AVSS — Analog ground |
| Chân 28 | AVDD — Analog supply (3.0-3.6 V) |
| Chân 29 | RP0/RB0 — Remappable I/O / AN8 |
| Chân 30 | RP1/RB1 — Remappable I/O / AN9 |
| Chân 31 | RP2/RB2 — Remappable I/O / AN10 |
| Chân 32 | RP3/RB3 — Remappable I/O / AN11 |
| Chân 33 | RP4/RB4 — Remappable I/O / AN12 |
| Chân 34 | VSS — Ground |
| Chân 35 | VDD — Supply voltage (3.0-3.6 V) |
| Chân 36 | RC1 — Port C I/O |
| Chân 37 | RC2 — Port C I/O |
| Chân 38 | RC3 — Port C I/O |
| Chân 39 | RC4 — Port C I/O |
| Chân 40 | TMS — JTAG test mode select |
| Chân 41 | TCK — JTAG test clock |
| Chân 42 | TDI — JTAG test data in |
| Chân 43 | TDO — JTAG test data out |
| Chân 44 | MCLR — Master clear reset (active-low) |
Ứng dụng tiêu biểu
DSPIC33EP64MC504-E/PT phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33EP64MC504-E/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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) |
Bảo phân biệt quan trọng
- On-chip three op-amps and four comparators eliminate external analog front-end (vsDSPIC33EP64MC504-I/PT)
- AEC-Q100 automotive grade available as pin-identical variant (vsDSPIC33EP64MC504-E/PTVAO)
- 128 KB Flash upgrade path on identical 44-TQFP footprint (vsDSPIC33EP128MC504-E/PT)
- dsPIC33E 70 MIPS DSP engine outperforms Cortex-M0+ MCUs at same MHz (vsDSPIC33FJ64MC804-E/PT (legacy FJ series))
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.