DSPIC33EP64MC504-I/MV - 16-Bit 70 MIPS DSC 64KB Flash | Microchip
MPN： DSPIC33EP64MC504-I/MV ✓ 啟用中DSPIC33EP64MC504-I/MV 概覽
A digital signal controller combines the compute architecture of a microcontroller with the DSP engine of a digital signal processor. Within the power management hierarchy, the dsPIC33E family sits between general-purpose MCUs and dedicated DSPs, providing deterministic single-cycle MAC and DSP instructions alongside standard MCU peripherals, which makes it a semiconductor device purpose-built for real-time embedded control.
Key features include the 70 MIPS dsPIC33E core, high-speed PWM peripherals optimized for motor control, quadrature encoder interface (QEI) inputs, and four integrated comparators per the verified distributor listings. The DSC also integrates the enhanced peripherals typical of the family, enabling closed-loop control of brushless DC, permanent magnet synchronous, and AC induction motors without external signal-conditioning silicon.
Architecturally, the device uses a modified Harvard 16-bit core with DSP extensions, pipelined instruction execution, and hardware looping, allowing filter and control-law computations at full core speed. The 64 KB Flash array supports in-circuit self-programming, and the exposed-pad UQFN-48 package provides low-inductance power distribution and improved thermal performance for high-frequency PWM switching.
Typical applications include precision motor control (BLDC/PMSM/ACIM drives), digital power supplies, and industrial automation systems requiring fast control loops with encoder feedback. The availability of the dsPIC33EP64MC504 PIM (MA330028) with dsPICDEM MCLV/MCHV boards accelerates motor-control development.
For design, group PWM, encoder, and analog pins away from switching nodes, and use the exposed pad as a low-impedance ground; verify the exact pin numbering against the manufacturer datasheet before layout.
This page synthesizes distributor inventory data, drop-in family alternatives, and practical design guidance not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33EP64MC504-I/MV — 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-I/MV （相同外形與佔位） — 差異在於 Package, Operating Temperature, Timers, Core, CAN.
DSPIC33EP64MC504-E/MV
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP128MC504-I/MV
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP256MC504-I/MV
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33EP32MC504-I/MV
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64GP504-I/MV
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →DSPIC33EP64MC504-I/MV 最大額定值與電氣特性
| Core Architecture | 16-bit dsPIC33E DSC core |
| Max CPU Speed | 70 MIPS |
| Program Memory (Flash) | 64 KB (22K x 24) |
| RAM | 8 KB |
| 封裝 | 48-UQFN (6x6 mm) exposed pad |
| 工作溫度 | -40C to +85C (I grade) |
| 安裝類型 | Surface Mount |
| Number of Comparators | 4 |
| Quadrature Encoder Interface | Yes (QEI) |
| High-Speed PWM | Yes (motor-control PWM) |
DSPIC33EP64MC504-I/MV 48-uqfn (6x6 mm) exposed pad 腳位配置指南
DSPIC33EP64MC504-I/MV（48-uqfn (6x6 mm) exposed pad 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： DSPIC33EP64MC504-I/MV.
請參閱 資料表 以查看完整腳位配置。
典型應用
DSPIC33EP64MC504-I/MV 適用於 6 應用s: BLDC Motor Control, PMSM/FOC Servo Drives, Digital Power Supplies, Industrial Automation and Motion, Battery-Powered Embedded Systems, Automotive-Adjacent Auxiliary Control.
BLDC Motor Control
The DSPIC33EP64MC504-I/MV fits brushless DC motor control because its MC variant integrates the high-speed motor-control PWM peripheral, quadrature encoder interface, and four comparators on a 70 MIPS 16-bit core. Commutation and current-loop tasks execute deterministically without external DSP silicon. In a typical sensorless or encoder-feedback drive, the PWM module generates complementary outputs with dead-time control while the comparators provide hardware overcurrent trips; the QEI feeds rotor position directly to the control loop. Running FOC or trapezoidal commutation at 70 MIPS leaves ample cycle budget, and the 6x6 mm UQFN keeps the controller compact on the drive PCB.
推薦
PMSM/FOC Servo Drives
Field-oriented control of permanent magnet synchronous motors demands fast, deterministic math loops, which the 70 MIPS DSP-engine core of the DSPIC33EP64MC504-I/MV provides with single-cycle MAC instructions. The device samples phase currents through its comparators and ADC resources, executes Clarke/Park transforms and PI current loops, and outputs space-vector PWM via the high-speed PWM module with programmable dead time. The 8 KB RAM holds control state, and 64 KB Flash stores parameter tables and trajectory planners. Encoder feedback arrives through the QEI peripheral, enabling closed-loop position and velocity control in industrial servo applications at low controller cost.
推薦
Digital Power Supplies
Switching power supplies and DC-DC converters benefit from the DSPIC33EP64MC504-I/MV combination of high-speed PWM and 70 MIPS control throughput. The controller closes voltage- and current-mode feedback loops digitally, implementing compensators in software where analog error amplifiers would drift with temperature. The four on-chip comparators provide cycle-by-cycle current limiting, protecting the power stage without external comparators, and the exposed-pad UQFN-48 package grounds cleanly to the power-plane copper. Firmware-based soft-start, fault sequencing, and PMBus-style telemetry can be layered on top, reducing bill-of-material count in telecom and industrial power bricks.
推薦
Industrial Automation and Motion
In factory automation nodes, the DSPIC33EP64MC504-I/MV acts as a motion controller and system supervisor: the QEI decodes incremental encoders from conveyors or actuators, timers generate coordination events, and serial communications interface with PLCs or gateways. The industrial -40C to +85C rating of the -I temperature grade suits unconditioned cabinets. With 64 KB of Flash, application firmware can include profiling tables, fault logs, and field-update code, and the 8 KB RAM buffers sensor histories for diagnostics. Deterministic 70 MIPS execution keeps loop jitter low, which directly translates to smoother motion and tighter position accuracy in multi-axis machines.
推薦
Battery-Powered Embedded Systems
The DSPIC33EP64MC504-I/MV supports portable and battery-powered designs through the dsPIC33E family power-management features, including low-power sleep and idle modes managed from firmware, while still providing DSP-grade computation when awake. A 3.3 V core supply simplifies integration with single-cell Li-ion or multi-cell alkaline stacks via a small LDO. Applications include cordless power tools, handheld instruments, and pump controllers, where the motor-control PWM peripherals drive the motor stage and the comparators implement battery overcurrent protection. The compact 6x6 mm UQFN-48 package conserves board area in dense handheld PCBs, and 64 KB Flash supports feature-rich firmware in one chip.
推薦
Automotive-Adjacent Auxiliary Control
For auxiliary automotive systems such as pump modules, cooling-fan controllers, and actuators that are not powertrain-critical, the DSPIC33EP64MC504-I/MV provides motor control capability at industrial grade (-40C to +85C). The high-speed PWM with fault inputs drives the motor stage while four comparators implement hardware protection against stall and overcurrent conditions, functions essential in 12 V actuator subsystems. Where extended qualification is required, Microchip offers automotive-qualified (AEC-Q100) dsPIC33EP variants in the same family, allowing firmware reuse across platforms. The 70 MIPS core also handles LIN-style communication and sensor fusion tasks concurrently with the control loops.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33EP64MC504-I/MV — 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-E/MV | DSPIC33EP128MC504-I/MV | DSPIC33EP256MC504-I/MV | DSPIC33EP32MC504-I/MV | DSPIC33EP64GP504-I/MV |
|---|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 64 KB (22K x 24) | 64 KB (22K x 24) | 128 KB | 256 KB | 32 KB | 64 KB |
| Temperature Range | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Peripheral Focus | Motor control (QEI, high-speed PWM, 4 comparators) | Motor control - identical peripheral set | Motor control, more program memory | Motor control, largest program memory | Motor control, reduced Flash | General purpose analog mix |
主要差異化特點
- Extended temperature option is pin-identical (對比DSPIC33EP64MC504-E/MV)
- Motor-control analog integration (對比DSPIC33EP64GP504-I/MV)
- Flash scaling without board redesign (對比DSPIC33EP128MC504-I/MV)
設計說明
The /MV UQFN-48 (6x6 mm) package includes an exposed pad that must be soldered to a grounded copper pour with a thermal via array (e.g., 4x4 grid of 0.3 mm vias). This pad is both the primary thermal path and a low-inductance ground return for the PWM output stage.Skipping the exposed-pad connection is a common cause of intermittent ground faults and elevated junction temperature in high-switching-frequency motor-control layouts. Follow Microchip's family datasheet layout guidance for UQFN land patterns.
The dsPIC33EP64MC504 provides multiple PGECx/PGEDx pin pairs for in-circuit serial programming (ICSP). Per Microchip documentation, any pair may be used, but ICSPCLK and ICSPDAT must come from the SAME pair (e.g., PGEC2 with PGED2); mixing pairs from different pairs prevents programming. Route your programming header to one consistent PGEC/PGED pair and all VDD/VSS pins must be connected, even if unused by application logic.
Estimate: decouple each VDD pin with 0.1 uF ceramic capacitors placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the package. Switching noise from the motor PWM stage couples back through shared ground impedance, so star-ground the analog reference (VREF+/comparator inputs) away from power ground. Verify exact supply voltage range in the family datasheet DS70000657 before finalizing the regulator design, as this parameter was not captured in the verified distributor data for this page.
Keep the QEI encoder input traces short and, where the encoder is remote, use differential receivers or RC filtering (e.g., 1 kohm + 100 pF) on QA/QB/QZ inputs to reject PWM switching noise. The four on-chip comparators should reference a clean internal or external threshold; long analog traces routed across PWM return paths can cause false overcurrent trips. Shield or cross analog traces at right angles to high-current motor phase nodes.
合規資訊
Compliance status not stated in the verified web data for this specific ordering code. Microchip standard production parts are typically RoHS-compliant, but this must be confirmed on the official Microchip product page before release to production.
