DSPIC33EP128MC202-E/SS - 16-bit 60 MIPS DSC 128KB | Microchip
MPN: DSPIC33EP128MC202-E/SS ✓ نشطDSPIC33EP128MC202-E/SS نظرة عامة
A digital signal controller combines the computational capability of a 16-bit MCU with the hardware DSP engine and precision analog peripherals of a digital signal processor. In the power-management hierarchy of embedded systems, DSCs sit between general-purpose microcontrollers and dedicated DSPs, making them the de-facto standard for closed-loop digital power and motor-control conversion where fast control loops and high-resolution PWM are mandatory.
Key features include dual pipelined buses for DSP MAC operations, high-speed PWM modules with complementary outputs and dead-time insertion, an internal fast RC oscillator, multiple PWM/motor-control peripherals, POR, and a watchdog timer. The device operates from a single 3.3 V supply and supports In-Circuit Serial Programming (ICSP) with two program and two complex data breakpoints, plus IEEE 1149.2-compatible JTAG boundary scan.
Technical depth comes from the dsPIC33E core architecture: a modified Harvard structure with 16-bit data and 24-bit instructions, hardware divide and DSP multiply-accumulate units, and deterministic interrupt latency - essential attributes when the same silicon closes the current loop of a field-oriented-control (FOC) motor drive at 20-50 kHz.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) control, solar micro-inverters and power-factor-correction stages, and automotive auxiliary systems (the -E suffix is AEC-Q100 automotive qualified per distributor data).
Design consideration: all VDD and VSS pins must be connected, and any PGECx/PGEDx pin pair must be used as a pair for programming - using PGEC2 for ICSPCLK requires PGED2 for ICSPDAT.
This page synthesizes distributor pricing, drop-in family alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
بدائل مباشرة لـ DSPIC33EP128MC202-E/SS — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع DSPIC33EP128MC202-E/SS (نفس عامل الشكل والبصمة) — يختلف في Package, Core, Operating Temperature, RAM, ADC Resolution.
DSPIC33EP128MC202-I/SS
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP256MC202-E/SS
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33EP64MC202-E/SS
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP32MC202-E/SS
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←DSPIC33EP128GP202-E/SS
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
DSPIC33EP128MC202-E/SS الحدود القصوى والخصائص الكهربائية
| Core | dsPIC33E 16-bit RISC DSC |
| CPU Speed | 60 MIPS / 60 MHz |
| Flash Program Memory | 128 KB (43K x 24) |
| RAM | 16 KB |
| جهد التغذية | 3.3 V |
| العلبة | 28-SSOP (0.209 in / 5.30 mm width) |
| عدد الأطراف | 28 |
| درجة حرارة التشغيل | -40C to +125C (Extended, -E suffix) |
| Qualification | AEC-Q100 automotive |
| Peripherals | Motor Control PWM, PWM, POR, WDT |
| Oscillator Type | Internal oscillator |
| Programming | ICSP (In-Circuit Serial Programming), In-Application Programming |
| Debug Features | Two program and two complex data breakpoints |
| JTAG | IEEE 1149.2 compatible boundary scan, trace and run-time watch |
| نوع التركيب | Surface Mount |
| Packaging | Tube |
| حالة RoHS | Compliant |
تكوين أطراف DSPIC33EP128MC202-E/SS
| دبوس 1 | MCLR — Master clear reset (active low), programming voltage input |
| دبوس 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference / change notification / port B |
| دبوس 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference / change notification / port B |
| دبوس 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 / port B |
| دبوس 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index / port B |
| دبوس 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / input capture 7 / port B |
| دبوس 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEI phase B / input capture 8 / port B |
| دبوس 8 | VSS — Ground reference (must be connected for programming) |
| دبوس 9 | OSC1/CLKI/CN12/RA2 — Oscillator crystal input / external clock input / port A |
| دبوس 10 | OSC2/CLKO/CN13/RA3 — Oscillator crystal output / clock output / port A |
| دبوس 11 | VDD — 3.3 V power supply (must be connected for programming) |
| دبوس 12 | RP15/RF4/U1RX/SDI1/CN17 — Remappable pin: UART1 RX / SPI1 data in / port F |
| دبوس 13 | RP14/RF5/U1TX/SDO1/CN16 — Remappable pin: UART1 TX / SPI1 data out / port F |
| دبوس 14 | VSS — Ground reference (must be connected for programming) |
| دبوس 15 | VDD — 3.3 V power supply (must be connected for programming) |
| دبوس 16 | RP13/SOSCI/T2CK/CN14/RB6 — Secondary oscillator input / Timer2 clock / remappable pin / port B |
| دبوس 17 | RP12/SOSCO/T1CK/CN15/RB7 — Secondary oscillator output / Timer1 clock / remappable pin / port B |
| دبوس 18 | VDD — 3.3 V power supply |
| دبوس 19 | RP11/PWM1L1/INT0/RE0 — Remappable pin: PWM1 low output / external interrupt 0 / port E |
| دبوس 20 | RP10/PWM1H2/RE1 — Remappable pin: PWM1 high output / port E |
| دبوس 21 | RP9/PWM1L2/RP32/PGD1/RE2 — Remappable pin: PWM1 low output / ICSP data pin 1 / port E |
| دبوس 22 | RP8/PWM1H3/RP31/PGC1/RE3 — Remappable pin: PWM1 high output / ICSP clock pin 1 / port E |
| دبوس 23 | RP7/INT1/RP30/PGD2/RE4 — Remappable pin: external interrupt 1 / ICSP data pin 2 / port E |
| دبوس 24 | RP6/INT2/RP29/PGC2/RE5 — Remappable pin: external interrupt 2 / ICSP clock pin 2 / port E |
| دبوس 25 | AVSS — Analog ground reference |
| دبوس 26 | AVDD — Analog 3.3 V supply for ADC |
| دبوس 27 | AN9/RP3/PWM1L3/RE9 — Analog input 9 / remappable pin: PWM1 low output / port E |
| دبوس 28 | AN10/RP2/PWM1H4/RE8 — Analog input 10 / remappable pin: PWM1 high output / port E |
التطبيقات النموذجية
DSPIC33EP128MC202-E/SS مناسب لـ 6 التطبيقs: BLDC / PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Systems, Industrial Automation and Robotics, LED Lighting and Electronic Ballasts, Sensing and Instrumentation Nodes.
BLDC / PMSM Motor Control
The DSPIC33EP128MC202-E/SS is purpose-built for brushless DC and permanent-magnet synchronous motor drives. Its 60 MIPS dsPIC33E core executes field-oriented control current loops at 20-50 kHz with deterministic latency, while the motor-control PWM peripheral generates complementary six-step outputs with programmable dead-time insertion for three-phase bridges. The 128 KB Flash accommodates sensorless estimators (sliding-mode or back-EMF observers) plus parameter tables, and 16 KB RAM buffers ADC current-sampling streams. Placed directly driving gate-driver inputs, the DSC eliminates an external DSP while keeping loop bandwidth above the electrical frequency of most appliance and pump motors.
موصى به
Digital Power Conversion
For AC-DC and DC-DC stages such as power-factor correction, LLC, and solar micro-inverters, the DSPIC33EP128MC202-E/SS closes voltage and current loops digitally at 60 MIPS. High-speed PWM with complementary outputs, dead-time, and fault trip inputs replaces analog controllers, enabling adaptive compensation and soft-start profiles in firmware. The 3.3 V core interfaces directly to shunt or current-transformer conditioning through its ADC inputs. Because the control law lives in the 128 KB Flash, one PCB serves multiple power ratings or grid standards - a quantified BOM saving in multi-SKU power product families.
موصى به
Automotive Auxiliary Systems
The -E suffix brings AEC-Q100 qualification and a -40C to +125C operating range, making this DSC suitable for automotive auxiliary motor and actuator control: HVAC blowers, electronic water pumps, throttle and flap actuators, and pumps in thermal-management modules. The internal oscillator reduces crystal count in cost-sensitive nodes, while ICSP programming supports end-of-line flashing. According to distributor data, this exact MPN is categorized as automotive AEC-Q100 - engineers can design it in without a separate automotive order code, provided the 3.3 V supply rail is derived from the vehicle load-dump-protected system.
موصى به
Industrial Automation and Robotics
In factory automation, the DSPIC33EP128MC202-E/SS serves as a compact motion node: stepper or servo indexers, conveyor synchronizers, and robotic joint controllers. The DSP multiply-accumulate engine accelerates trajectory interpolation filters, and the JTAG boundary-scan (IEEE 1149.2) capability supports board-level test during production. Dual program/data breakpoints speed firmware bring-up on the motion loop. With 128 KB Flash, one image can hold several motion profiles selectable over UART or CAN, letting a single SKU cover multiple machine variants and shortening the field-firmware update path through in-application programming.
موصى به
LED Lighting and Electronic Ballasts
High-intensity and industrial LED drivers benefit from the high-speed PWM: the DSC dims LEDs at frequencies above audibility while a second PWM channel manages constant-current regulation, all from one 28-pin 3.3 V device. The 60 MIPS core implements power correction for off-line drivers, and the extended -E temperature range suits enclosed luminaires where ambient can reach 85C with hot spots to +125C junction-adjacent board regions. Firmware-based control allows dimming curves, DALI-like protocol stacks, and fault derating without changing hardware - a key advantage over fixed-function LED controller ICs.
موصى به
Sensing and Instrumentation Nodes
The 16 KB RAM and DSP MAC hardware make the DSPIC33EP128MC202-E/SS an efficient front-end for signal-conditioning nodes: digital filters (FIR/IIR) run on sampled sensor streams before transmission over UART or SPI. The internal oscillator and 3.3 V single-supply operation simplify battery-backed or isolated field instruments, and ICSP allows recalibration constants to be flashed on the production line. Automotive qualification extends use into vehicle sensor modules such as position and pressure instrumentation, where the +125C ceiling covers engine-bay ambient extremes without a derated lifetime specification.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ DSPIC33EP128MC202-E/SS — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | DSPIC33EP128MC202-I/SS | DSPIC33EP256MC202-E/SS | DSPIC33EP64MC202-E/SS | DSPIC33EP32MC202-E/SS | DSPIC33EP128GP202-E/SS |
|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB (43K x 24) | 128 KB | 256 KB | 64 KB | 32 KB | 128 KB |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| Peripheral Family | Motor Control (MC): high-speed PWM, advanced analog | Motor Control (MC) | Motor Control (MC) | Motor Control (MC) | Motor Control (MC) | General Purpose (GP) |
| Automotive AEC-Q100 | Yes | No (industrial grade) | Yes (-E grade) | Yes (-E grade) | Yes (-E grade) | Yes (-E grade) |
أبرز الفروقات
- Extended automotive temperature and qualification (مقابلDSPIC33EP128MC202-I/SS)
- Motor-control peripheral set (مقابلDSPIC33EP128GP202-E/SS)
- Balanced memory/cost point in the family (مقابلDSPIC33EP256MC202-E/SS)
ملاحظات التصميم
Programming pitfalls: all VDD and VSS pins (pins 8, 11, 14, 15, 18) must be connected, and PGECx/PGEDx pins must be used as pairs - if PGEC2 (pin 24) carries ICSPCLK, ICSPDAT must connect to PGED2 (pin 23). Even one unconnected supply pin can make programming fail, per Microchip programming documentation. Reserve one full PGEC/PGED pair plus MCLR on a standard 5-pin (or RJ-11/ICD) programming header in your layout, with a series resistor (about 100 ohm to 470 ohm) on MCLR and keep the trace short.
Decouple each VDD pin (11, 15, 18) and the AVDD pin (26) individually: place 100 nF X7R ceramic capacitors within 2 mm of each pin, plus one bulk 4.7-10 uF capacitor near the device. AVDD should be isolated from digital VDD with an RC filter (e.g., 10 ohm + 1 uF) or an LC filter to protect ADC accuracy in motor-control current sensing, where ripple on the analog rail directly corrupts shunt measurements. Estimated: a 10 ohm/1 uF RC gives a ~16 kHz corner, well above ADC sampling needs but rejecting switching noise.
For motor-control use, route PWM outputs (pins 19, 20, 21, 22, 27, 28) away from analog inputs AN0-AN10 and the AVSS/AVDD pair (pins 25-26). Keep the gate-driver return path under the PWM traces to minimize loop area and EMI; this matters when switching 3-phase bridges at 20-50 kHz. The internal oscillator removes the crystal, but if you use the secondary oscillator (pins 16-17) for an RTC, guard it with ground pour and keep crystal load capacitors close to the pins.
معلومات الامتثال
Distributor data (Datasheets.com, Hotenda) lists this part as automotive AEC-Q100, 3.3 V, 28-pin SSOP. RoHS compliance per standard Microchip -E/SS flow. REACH and halogen-free status not stated in provided data.
