DSPIC33EP64MC202-I/SO - 16-bit 64KB Flash DSC | Microchip
MPN: DSPIC33EP64MC202-I/SO ✓ Hoạt độngDSPIC33EP64MC202-I/SO Tóm tắt
A digital signal controller combines the deterministic control flow of a microcontroller with the multiply-accumulate throughput of a DSP engine. In the system hierarchy, the dsPIC33E family sits between general-purpose MCUs (such as the PIC16/PIC18 lines) and full DSPs, delivering DSP-class math with MCU-class peripherals, making it a power management IC for precision motor control and digital power conversion applications.
Key features include 5 general-purpose timers, 4 DMA channels, 2 on-chip operational amplifiers, 3 analog comparators, a high-speed motor control PWM (MCPWM) module, quadrature encoder interface (QEI), and a Programmable Timing Generator (PTG). The device is AEC-Q100 qualified per the automotive designation in distributor parametric data.
The dsPIC33E core executes up to 70 MIPS with DSP instructions, single-cycle MAC, and hardware divide support, enabling field-oriented control (FOC) and sensorless motor algorithms without external DSP silicon. PWM dead-time insertion, fault inputs, and ADC-trigger synchronization make closed-loop digital power and BLDC/PMSM drive designs compact and deterministic.
Typical applications include BLDC/PMSM motor drives, digital SMPS and power-factor-correction converters, automotive auxiliaries, and industrial automation nodes requiring encoder feedback via QEI.
Design consideration: keep the supply within the 3V-3.6V window, decouple VDD/VDDCORE (VCAP requires the datasheet-recommended capacitor), and verify SOIC-wide footprint land patterns before layout.
This page synthesizes distributor pricing, drop-in family alternatives, pinout detail, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33EP64MC202-I/SO — 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 DSPIC33EP64MC202-I/SO (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Operating Temperature, SRAM, Supply Voltage.
DSPIC33EP32MC202-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP16MC202-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP64GP202-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP32GP202-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ64MC202-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP64MC202-I/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit dsPIC33E RISC with DSP engine |
| Program Memory (Flash) | 64 KB (22K x 24) |
| SRAM | 8 KB (8192 words) |
| Clock Speed | 60 MHz |
| Max DSC Core Performance | 70 MIPS (family maximum) |
| Điện áp cung cấp | 3 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +85C |
| Hộp | 28-pin SOIC wide (28-SOICW) |
| Timers | 5 |
| DMA Channels | 4 |
| Op Amps | 2 on-chip |
| Comparators | 3 |
| Motor Control PWM | MCPWM module |
| Quadrature Encoder Interface | QEI (2-channel) |
| Programmable Timing Generator | PTG |
| Qualification | AEC-Q100 (automotive) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tube |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC33EP64MC202-I/SO
| Chân 1 | MCLR — Master clear reset input (active low), programming voltage pin |
| Chân 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference |
| Chân 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference |
| Chân 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 |
| Chân 5 | AN3/CN5/RB3 — Analog input 3 |
| Chân 6 | AN4/C1IN-/CN6/RB4 — Analog input 4 / comparator 1 inverting input |
| Chân 7 | VDD — Positive supply (3V-3.6V) |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKI/CN7/RA2 — Crystal oscillator input / external clock input |
| Chân 10 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output |
| Chân 11 | U1RX/SDI1/RB5 — UART 1 receive / SPI 1 data in (PPS-remappable) |
| Chân 12 | RB6/RP — General-purpose I/O / peripheral pin select (PPS-remappable) |
| Chân 13 | RB7/RP — General-purpose I/O / PPS-remappable peripheral function |
| Chân 14 | U1TX/SDO1/RB8 — UART 1 transmit / SPI 1 data out (PPS-remappable) |
| Chân 15 | RB9/RP — General-purpose I/O / PPS-remappable peripheral function |
| Chân 16 | RB10/RP — General-purpose I/O / PPS-remappable peripheral function |
| Chân 17 | RB11/RP — General-purpose I/O / PPS-remappable peripheral function |
| Chân 18 | RB12/RP — General-purpose I/O / PPS-remappable peripheral function |
| Chân 19 | VDD — Positive supply (3V-3.6V) |
| Chân 20 | VSS — Ground reference |
| Chân 21 | RB13/RP — General-purpose I/O / PPS-remappable peripheral function |
| Chân 22 | RB14/RP — General-purpose I/O / PPS-remappable peripheral function |
| Chân 23 | RB15/RP — General-purpose I/O / PPS-remappable peripheral function (PWM outputs via PPS) |
| Chân 24 | SOSCI/CN1/RB4 — Secondary oscillator input / general-purpose I/O |
| Chân 25 | T1CK/RA3 — Timer 1 external clock input / general-purpose I/O |
| Chân 26 | AVDD — Analog supply (3V-3.6V) |
| Chân 27 | AVSS — Analog ground |
| Chân 28 | VCAP/VDDCORE — Internal core regulator output - requires datasheet-specified capacitor to VSS |
Ứng dụng tiêu biểu
DSPIC33EP64MC202-I/SO phù hợp cho 6 Áp dụngs: BLDC/PMSM Motor Drives, Digital SMPS and PFC Converters, Automotive Auxiliary Control, Industrial Automation and Encoder Feedback, Sensor Signal Conditioning and Data Acquisition, Power Inverters and Renewable Energy Systems.
BLDC/PMSM Motor Drives
The DSPIC33EP64MC202-I/SO fits BLDC and PMSM drives because its MCPWM module generates complementary outputs with hardware dead-time insertion, the QEI decodes encoder position, and the 70 MIPS-class DSP core with single-cycle MAC executes field-oriented control loops at PWM switching frequency. The 2 on-chip op amps condition low-side shunt currents, and 3 comparators implement hardware overcurrent trips without CPU latency. Placed as the sole controller driving a three-phase inverter gate driver, the 28-SOICW package keeps the control section compact; the trade-off is that current sensing accuracy now depends on on-chip analog performance rather than external ADC front ends.
Được đề xuất
Digital SMPS and PFC Converters
In digital switch-mode power supplies and power-factor-correction stages, this DSC closes voltage and current loops in firmware using its high-speed PWM with ADC-trigger synchronization, achieving deterministic loop timing. The 4 DMA channels stream ADC results to RAM without core intervention, keeping control-loop jitter minimal, while comparators provide cycle-by-cycle overcurrent protection in hardware. Operating at 60 MHz, the dsPIC33E core sustains average-current-mode control at typical 100-500 kHz switching frequencies. The 3V-3.6V digital supply isolates the controller from power-stage transients, and the AEC-Q100 designation supports automotive converter platforms requiring documented quality flow.
Được đề xuất
Automotive Auxiliary Control
The -I temperature grade (-40C to +85C) and the AEC-Q100 qualification flagged in distributor parametric data make this DSC a candidate for automotive auxiliary systems such as pump control, HVAC actuators, and body electronics requiring motor drive. The PTG (Programmable Timing Generator) offloads repetitive timing sequences from the CPU, useful for wakeup scheduling in low-power states, and the 5-timer bank supports multiple concurrent timing tasks. In-circuit ICSP programming supports end-of-line flash updates through the MCLR pin. Designers should validate automotive-specific requirements such as CAN transceiver pairing and functional-safety workflows independently, as those are system-level obligations beyond the device datasheet.
Được đề xuất
Industrial Automation and Encoder Feedback
For industrial automation nodes, the 2-channel QEI directly decodes quadrature encoder signals from servo motors and linear actuators, freeing CPU bandwidth for control algorithms. UART, SPI, and I2C peripherals with Peripheral Pin Select (PPS) remapping let engineers assign digital functions flexibly across the PORTB/PORTC pins on the 28-pin SOIC, simplifying routing on dense control boards. The 64KB Flash accommodates protocol stacks for Modbus or custom serial communications alongside the motion-control firmware. With 4 DMA channels moving ADC and UART data, deterministic control loops coexist with fieldbus traffic on the same 60 MHz core.
Được đề xuất
Sensor Signal Conditioning and Data Acquisition
The 2 on-chip operational amplifiers pre-amplify small sensor signals (shunt, thermocouple-adjacent bridges, or pressure transducers) before the internal ADC, reducing bill-of-material count in compact acquisition nodes. The 3 comparators create windowed threshold detection in hardware for alarm conditions that must not wait on software. This is well suited to vibration and current monitoring in predictive-maintenance gateways, where the DSP engine computes FFT-based feature extraction locally. The 8KB SRAM buffers acquisition windows for burst processing, and the PTG automates periodic sampling sequences, keeping average current low between measurement events in continuously monitored installations.
Được đề xuất
Power Inverters and Renewable Energy Systems
Solar micro-inverters, battery chargers, and small wind converters benefit from this DSC's combination of motor-control PWM reused as phase-shifted full-bridge drive, ADC synchronization for mid-rail current sampling, and DSP throughput for grid-synchronization algorithms. The single-cycle MAC accelerates PLL-style grid frequency tracking and harmonic compensation in firmware. Operating from a 3V-3.6V rail with a 60 MHz clock, the controller interfaces to gate-driver ICs through PWM outputs with fault-input shutdown managed by hardware comparators for rapid fault response. The 28-SOICW industrial temperature grade suits outdoor-adjacent enclosures where -40C cold starts occur.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33EP64MC202-I/SO — 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 | DSPIC33EP32MC202-I/SO | DSPIC33EP16MC202-I/SO | DSPIC33EP64GP202-I/SO | DSPIC33EP32GP202-I/SO | DSPIC33FJ64MC202-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOICW | 28-SOICW - same | 28-SOICW - same | 28-SOICW - same | 28-SOICW - same | 28-SOICW - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 64 KB (22K x 24) | 32 KB | 16 KB | 64 KB | 32 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Clock Speed | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz | approx 40 MIPS family max |
| Motor Control PWM (MCPWM) | Yes | Yes | Yes | No (GP variant) | No (GP variant) | Yes (older PWM module) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
Bảo phân biệt quan trọng
- Full motor-control peripheral set in 28 pins (vsDSPIC33EP64GP202-I/SO)
- Twice the Flash of the cost-optimized sibling at identical pinout (vsDSPIC33EP32MC202-I/SO)
- dsPIC33EP performance generation (vsDSPIC33FJ64MC202-I/SO)
Ghi chú thiết kế
The VCAP/VDDCORE pin (pin 28 on the 28-SOICW) is the output of the internal core regulator and requires the exact capacitor value specified in the manufacturer datasheet to VSS - do not substitute a different dielectric or omit it, as core regulation instability causes brown-out resets. Decouple both VDD pins (7, 19) and AVDD (26) with 0.1uF ceramics placed within a few millimeters of the pins. Estimated: with a typical decoupling loop of 10 nH, switch-event di/dt of 50 mA/ns can generate 0.5 V of rail noise without local capacitance, corrupting ADC readings.
Keep the analog ground domain (AVSS, pin 27) tied to the main ground at a single quiet point near the device, and route analog inputs RB0-RB4 away from PWM traces whose edges are on the order of a few nanoseconds. Use Peripheral Pin Select (PPS) mapping in firmware to push high-dvi digital functions (UART, PWM) onto pins physically far from analog inputs - a unique dsPIC33EP capability that lets layout and firmware co-optimize noise. Separate the motor-phase current sense traces from the gate-drive loops to prevent comparator false trips.
Two frequent migration errors: (1) coming from dsPIC33F parts, engineers omit the VCAP capacitor and set the wrong configuration bits for the EP family clock system - always regenerate configuration words with MPLAB X config-bit tools rather than copying F-family code. (2) PPS pin mapping is one-directional (input functions assign to pins; output pins assign functions); attempting bidirectional assignment causes silent peripheral failure. Also confirm -I/-E temperature suffix matches your enclosure: the -E extended variant exists for ambient above +85C.
Estimated: at 60 MHz the dsPIC33E core typically dissipates in the tens-of-milliamps supply-current range (consult the datasheet electrical characteristics table for exact ICC vs MIPS), which in a 28-SOICW with theta_JA around 90-100 C/W yields a junction rise of only a few degrees above ambient - heatsinking is not required. Place the SOIC away from hot power-stage components (MOSFETs, inductors) so local ambient near the package stays within the -40C to +85C rating even at full motor load.
Thông tin tuân thủ
Distributor parametric data (datasheets.com, updated 2024-03-10) lists this part as automotive AEC-Q100 with 3.3V operation in 28-pin SOIC tube packaging. REACH and halogen-free status not stated in provided data.
