DSPIC33EP32MC202-I/SS - 16-bit DSC 32KB Flash 60MHz | Microchip
MPN: DSPIC33EP32MC202-I/SS ✓ פעילDSPIC33EP32MC202-I/SS סקירה
A digital signal controller combines the compute power of a digital signal processor (DSP) with the peripheral integration and control architecture of a microcontroller. Within the power management hierarchy, the dsPIC33E family sits at the top of Microchip's 16-bit embedded control portfolio, scaling up from PIC16 and PIC18 MCUs to full DSP performance. DSCs are the de facto standard building block for precision motor control, digital power conversion, and embedded signal processing systems.
Key features include the dsPIC33E core running at up to 70 MIPS class performance, 21 general-purpose I/O pins, a 6-channel 10-bit/12-bit ADC for simultaneous analog sampling, 4 DMA channels that move data without CPU intervention, 7 timers, and 2 serial communication ports. The MC (motor control) peripheral set integrates high-speed PWM modules purpose-built for inverter and motor drive topologies.
Architecturally, the device uses a modified Harvard pipeline with 24-bit instruction width, fixed-point DSP engine with hardware multiply-accumulate, and single-cycle MAC operations that accelerate control-loop math such as FOC (field-oriented control) and PID algorithms. The operating voltage is 3.3V, and the industrial temperature grade covers -40C to +85C.
Typical applications include brushless DC and PMSM motor drives, digital switching power supplies, solar inverters, UPS systems, and battery chargers. The integrated high-speed PWM with dead-time control eliminates the need for external PWM controllers in most digital power designs.
Design consideration: all VDD/VSS pairs must be decoupled, and PGECx/PGEDx pairs must be routed as matched pairs for in-circuit serial programming (ICSP) compatibility.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes beyond what the manufacturer datasheet provides.
חלופות תחליף ישיר עבור DSPIC33EP32MC202-I/SS — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם DSPIC33EP32MC202-I/SS (אותו גורם צורה וטביעת רגל) — שונים ב Package, Operating Temperature, Core, RAM, Program Memory (Flash).
DSPIC33EP32MC202T-I/SS
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33EP32MC202-E/SS
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP32MC202-I/MM
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP32MC202T-E/SS
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
DSPIC33EP256MC202T-I/SS
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←DSPIC33EP32MC202-I/SS דירוגים מרביים ומאפיינים חשמליים
| Core Processor | dsPIC33E (16-bit) |
| Program Memory Size | 32 KB (10.7K x 24) Flash |
| RAM Size | 4 KB |
| תדר שעון מקסימלי | 60 MHz |
| Core Performance | up to 70 MIPS (family class) |
| Number of I/O | 21 |
| ADC Resolution | 10-bit / 12-bit |
| ADC Channels | 6 |
| DMA Channels | 4 |
| Timers | 7 |
| Serial Ports | 2 |
| מתח אספקה | 3.3 V |
| טמפרטורת פעולה | -40C to +85C |
| מארז | 28-SSOP (5.30 mm width) |
| סוג הרכבה | Surface Mount |
| Program Memory Type | Flash |
| Data Converters | A/D 6x10b/12b |
תצורת פינים של DSPIC33EP32MC202-I/SS
| פין 1 | MCLR — Master clear reset / programming voltage input |
| פין 2 | AN0/C1IN1+/RA0 — Analog input 0 / comparator input / port A |
| פין 3 | AN1/C1IN1-/RA1 — Analog input 1 / comparator input / port A |
| פין 4 | PGD3/AN2/SS1/C2IN1-/RB0 — Programming data 3 / analog 2 / SPI slave select / port B |
| פין 5 | PGC3/AN3/C2IN1+/RB1 — Programming clock 3 / analog 3 / comparator input / port B |
| פין 6 | PGD2/AN4/C2IN2-/RB2 — Programming data 2 / analog 4 / comparator input / port B |
| פין 7 | PGC2/AN5/C2IN2+/RB3 — Programming clock 2 / analog 5 / comparator input / port B |
| פין 8 | VSS — Ground reference |
| פין 9 | OSC1/CLKI/RC12 — Oscillator input / external clock input / port C |
| פין 10 | OSC2/CLKO/RC13 — Oscillator output / clock output / port C |
| פין 11 | VDD — Power supply (3.3V) |
| פין 12 | RP1/PGD1/SDI1/T2CK/RC1 — Peripheral pin select / programming data 1 / SPI data in / port C |
| פין 13 | RP2/PGC1/SDO1/T3CK/RC2 — Peripheral pin select / programming clock 1 / SPI data out / port C |
| פין 14 | VSS — Ground reference |
| פין 15 | RP3/SOSCI/T1CK/U1ATX/RC3 — Peripheral pin select / secondary oscillator input / Timer1 clock / port C |
| פין 16 | RP4/SOSCO/T5CK/PWM1L/RC4 — Peripheral pin select / secondary oscillator output / PWM1 low / port C |
| פין 17 | RP5/VCAP/VDDCORE — Peripheral pin select / internal regulator capacitor output |
| פין 18 | RP6/PWM1H/RC5 — Peripheral pin select / PWM1 high / port C |
| פין 19 | RP7/PWM2L/RC6 — Peripheral pin select / PWM2 low / port C |
| פין 20 | RP8/PWM2H/RC7 — Peripheral pin select / PWM2 high / port C |
| פין 21 | RP9/PWM3L/RC8 — Peripheral pin select / PWM3 low / port C |
| פין 22 | RP10/PWM3H/RC9 — Peripheral pin select / PWM3 high / port C |
| פין 23 | RP11/U1RX/TXCK/RC10 — Peripheral pin select / UART receive / port C |
| פין 24 | RP12/U1TX/RXCK/RC11 — Peripheral pin select / UART transmit / port C |
| פין 25 | RP13/SCK1/RC13 — Peripheral pin select / SPI clock 1 / port C |
| פין 26 | RP14/SDA1/RC14 — Peripheral pin select / I2C data / port C |
| פין 27 | RP15/SCL1/RC15 — Peripheral pin select / I2C clock / port C |
| פין 28 | AVDD/AVSS — Analog power / analog ground reference (per datasheet pin diagram) |
יישומים טיפוסיים
DSPIC33EP32MC202-I/SS מתאים עבור 6 יישוםs: Brushless DC and PMSM Motor Control, Digital Switch-Mode Power Supplies, Solar Micro-Inverters and String Optimizers, Uninterruptible Power Supplies (UPS), Battery Chargers and BMS Front Ends, Industrial Embedded Control and Sensing Nodes.
Brushless DC and PMSM Motor Control
The DSPIC33EP32MC202-I/SS fits BLDC and PMSM drives because its MC sub-family high-speed PWM offers complementary outputs, programmable dead time, and cycle-by-cycle current limit needed to drive a three-phase inverter safely. The 6-channel 10/12-bit ADC can be triggered by the PWM module for precisely timed phase-current sampling, which is the key requirement for field-oriented control. Its 60 MHz dsPIC33E core with a single-cycle MAC DSP engine executes the Clarke/Park transforms and PI current loops with substantial headroom, typically closing current loops in the 10-50 microsecond range. Place the ADC sense inputs on the dedicated analog-capable pins and keep shunt-based current feedback paths short; the integrated comparator and fault inputs provide hardware overcurrent shutdown without software latency.
מומלץ
Digital Switch-Mode Power Supplies
The DSPIC33EP32MC202-I/SS serves as a digital compensator and PWM generator in AC-DC and DC-DC converters. The high-speed PWM supports multiple output pairs with phase-shifted or complementary operation and resolution adequate for half-bridge, full-bridge, and buck topologies; the 12-bit ADC samples output voltage and current for the control loop while DMA moves samples without CPU load. Compared with an analog PWM controller, the dsPIC33E allows firmware-defined compensation (PID or 2P2Z), non-linear gain scheduling, and PMBus-style adaptivity, though it costs more loop bandwidth than pure analog control. Keep the PWM-to-gate-driver routing short, and use the internal comparators for fast hardware cycle-limiting so that overcurrent events never depend on software response time.
מומלץ
Solar Micro-Inverters and String Optimizers
In photovoltaic power electronics, the DSPIC33EP32MC202-I/SS runs maximum-power-point-tracking (MPPT) algorithms and the associated inverter modulation. Its DSP engine performs the P&O or incremental-conductance search quickly while the PWM module handles the boost-stage switching; the 12-bit ADC monitors panel voltage, current, and temperature channels across the 6 inputs. The 32KB Flash accommodates MPPT, grid synchronization, and protection firmware for a single-channel design; designs needing more communication stacks should step up to DSPIC33EP256MC202T-I/SS, which shares the same pinout. The -40C to +85C industrial grade matches rooftop enclosure environments. Isolation between the controller domain and the grid side must be provided externally with optocouplers or digital isolators.
מומלץ
Uninterruptible Power Supplies (UPS)
The DSPIC33EP32MC202-I/SS can manage single-phase UPS control: inverter PWM modulation, battery charging management, and transfer-switch sequencing all fit within its peripheral set. The 7 timers provide independent bases for the inverter carrier, line-frequency synchronization, and battery-monitor scheduling; the 4 DMA channels stream ADC results from output-voltage and battery-current channels continuously. Its 60 MHz clock leaves room for the THD-reducing sinusoidal modulation plus harmonic compensation. The 32KB Flash is sufficient for basic online or line-interactive topologies, while fuller feature sets (LCD, communication) benefit from the pin-compatible 256KB variant. Battery protection demands fast hardware current limiting; use the internal comparators and fault pins rather than relying on software-only shutdown paths.
מומלץ
Battery Chargers and BMS Front Ends
The DSPIC33EP32MC202-I/SS implements multi-stage charging profiles (CC/CV, trickle, termination) with its PWM and 12-bit ADC: current loops close through firmware PID on ADC-sampled shunt or Hall-sensor feedback, while the voltage loop regulates the CV phase. The 6 ADC inputs cover current, voltage, and temperature channels, and DMA offloads the sampling workload so the core can run state-of-charge estimation math using its DSP MAC. The -40C to +85C grade suits industrial chargers; for automotive bay environments choose the extended-temperature DSPIC33EP32MC202-E/SS drop-in. Layout priority is the sense-path kelvin routing to the ADC pins - ground bounce in the power loop directly corrupts current measurements and can cause premature charge termination or loop instability.
מומלץ
Industrial Embedded Control and Sensing Nodes
Beyond power electronics, the DSPIC33EP32MC202-I/SS works as a compact industrial control node: 21 I/O lines, 2 serial ports, and the 12-bit ADC support sensor acquisition and actuator control in a single 28-pin SSOP. Typical roles include pump/fan controllers, proximity-sensor conditioning, and small automation actuators where a DSP-grade core gives margin for filtering (IIR/FIR using the MAC engine) and diagnostics. The 32KB Flash suits fixed-function firmware; product families expecting field upgrades or protocol growth should use the same-pinout 256KB variant. With 3.3V I/O, level-shifting is required for 5V legacy PLC signals. The ICSP programming pairs let field service update firmware with a two-wire header, a practical benefit for deployed industrial equipment maintenance.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור DSPIC33EP32MC202-I/SS — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | DSPIC33EP32MC202T-I/SS | DSPIC33EP32MC202-E/SS | DSPIC33EP32MC202-I/MM | DSPIC33EP256MC202T-I/SS |
|---|---|---|---|---|---|
| Package | 28-SSOP (5.30 mm) | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same | 28-SSOP (5.30 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 32 KB (10.7K x 24) | 32 KB | 32 KB | 32 KB | 256 KB |
| Max Clock Frequency | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
| Packaging | Tube/Rail | Tape & Reel | Tube/Rail | Tube/Rail | Tape & Reel |
| Motor Control Peripherals (MC sub-family) | Yes (high-speed PWM, 3 pairs) | Yes - identical | Yes - identical | Yes - identical | Yes - identical |
מבדילים עיקריים
- Purpose-built motor-control PWM set (לעומתDSPIC33EP32GP502 (same memory class, GP sub-family))
- 8x program memory in the identical footprint (לעומתDSPIC33EP256MC202T-I/SS)
- Extended temperature availability without redesign (לעומתDSPIC33EP32MC202-E/SS)
הערות תכנון
The DSPIC33EP32MC202-I/SS includes an internal 1.8V core regulator whose output must be decoupled with the specified VCAP capacitor (typically a low-ESR ceramic per the datasheet) placed within 2 mm of the VCAP pin. Omitting or misplacing this capacitor is the single most common bring-up failure for dsPIC33EP designs - the device will not clock or program correctly. Additionally, connect every VDD/VSS pair with 0.1 uF ceramics and provide a bulk 10 uF at the board entry point. Estimated: at 60 MHz with 21 I/O loaded, core current stays well under the 3.3V rail budget of typical LDO supplies such as the MCP1700 family at 250 mA.
The device provides multiple PGECx/PGEDx pairs for ICSP; any pair works for programming, but ICSPCLK and ICSPDAT must come from the same pair (e.g., PGEC2 with PGED2, per northernsoftware.com's support notes). Route the chosen pair as a short, matched stub to a standard 5-pin ICSP header, and keep MCLR with its 10 kOhm pull-up and series resistor per Microchip programming specifications. Avoid routing PGED/PGEC traces under PWM or gate-driver circuits - transients on these lines during motor operation can corrupt in-circuit debug sessions.
For motor-drive or digital-power use, partition the board so the power loop (bus capacitors, MOSFETs, shunts) is physically separated from the controller, with a single-point analog ground connection to AVSS. Kelvin-route current-shunt signals directly to the ADC input pins; ground bounce of even 50 mV on a shunt sized for a few hundred mV full-scale creates several-percent current-sensing error that destabilizes FOC current loops. Use the internal comparators and PWM fault inputs for hardware overcurrent shutdown - never depend on ADC-then-software paths, which add microseconds of latency precisely when the bridge needs nanosecond protection.
מידע על תאימות
RoHS status per distributor listings (LCSC/etei comparison pages list RoHS compliance dimension). REACH, halogen-free, and conflict-minerals status not stated in provided data.
