DSPIC33FJ32MC202-E/MM - 16-bit DSC 40 MIPS QFN-28 | Microchip
MPN： DSPIC33FJ32MC202-E/MM ✓ 啟用中DSPIC33FJ32MC202-E/MM 概覽
A Digital Signal Controller combines the deterministic control of a microcontroller with the arithmetic throughput of a DSP. Within the power-management hierarchy, the DSC sits above a general-purpose MCU and below a dedicated DSP, making the dsPIC33F family ideal for closed-loop control systems that need both fast multiply-accumulate operations and flexible peripherals.
Key features include two PWM generators with independent timebases for motor control, Peripheral Pin Select (PPS) that remaps digital peripherals to any compatible pin, a 10-bit ADC with up to 500 ksps throughput, and nanoWatt XLP power management for low standby consumption.
The modified Harvard 16-bit CPU supports DSP-class instructions including DSP multiply, multiply-accumulate, and 40-bit accumulators, plus two address generation units for zero-overhead loop addressing. Cycle-for-cycle deterministic execution at 40 MIPS with 3.3V single-supply operation (2.97V to 3.63V) simplifies power design in industrial systems.
Typical applications include BLDC and PMSM motor control (sensored and sensorless FOC), digital power supplies (LLC, totem-pole PFC), power inverters, and embedded motion control where the extended -40C to +125C E-grade temperature range is required.
Design consideration: the 28-QFN exposed pad must be soldered to a solid ground plane; also budget VDDCORE stabilization via the on-chip regulator VCAP pin (a low-ESR capacitor is mandatory per datasheet).
This page synthesizes distributor pricing, verified drop-in alternatives, design notes, and a full QFN-28 pinout not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 DSPIC33FJ32MC202-E/MM — 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： DSPIC33FJ32MC202-E/MM （相同外形與佔位） — 差異在於 Package, Core Architecture, Timers, ADC, Program Memory (Flash).
DSPIC33FJ32MC202-I/MM
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
DSPIC33FJ32MC202-H/MM
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33FJ16GS502-E/MM
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ16GS502-H/MM
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33FJ32MC202T-I/MM
✅ 直接替換📋 參考替代品（不在目錄中）
DSPIC33FJ32MC202-E/MM 最大額定值與電氣特性
| Core Architecture | 16-bit modified Harvard, DSP-enhanced |
| Max CPU Speed | 40 MIPS (up to 40 MHz external clock / internal PLL) |
| Program Memory (Flash) | 32 KB (11K x 24 instructions) |
| RAM | 2 KB |
| 供應電壓 | 2.97 V to 3.63 V (3.3 V nominal) |
| 工作溫度 | -40C to +125C (E grade) |
| 封裝 | 28-QFN-S (6x6 mm), exposed pad |
| PWM Modules | 2 PWM generators with independent timebases |
| ADC | 10-bit, up to 500 ksps, multiple channels |
| UART | 1x UART |
| SPI | 1x SPI |
| I2C | 1x I2C |
| Input Capture | 4 channels |
| Output Compare | 2 channels |
| Timers | 5x 16-bit timers |
| Peripheral Pin Select (PPS) | Yes |
| 安裝類型 | Surface Mount |
| Qualification | AEC-Q100 (automotive-qualified family per distributor data) |
| RoHS 狀態 | Compliant |
DSPIC33FJ32MC202-E/MM 腳位配置
| 腳位 1 | MCLR — Master clear reset input, programming voltage |
| 腳位 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC positive reference / change notification / Port B bit 0 |
| 腳位 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / change notification / Port B bit 1 |
| 腳位 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / change notification / Port B bit 2 |
| 腳位 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index input / change notification / Port B bit 3 |
| 腳位 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / input capture 7 / change notification / Port B bit 4 |
| 腳位 7 | VDD — Positive supply (2.97 V to 3.63 V) |
| 腳位 8 | VSS — Ground reference |
| 腳位 9 | OSC1/CLKI/CN7/RA2 — Oscillator crystal input / external clock input / change notification / Port A bit 2 |
| 腳位 10 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output / Port C bit 15 |
| 腳位 11 | EMUD1/SDA1/SCL1/INT0/RA9 — Emulation data pin / I2C data or clock / external interrupt 0 / Port A bit 9 |
| 腳位 12 | EMUC1/SOSCI/CN1/RA3 — Emulation clock pin / secondary oscillator input / change notification / Port A bit 3 |
| 腳位 13 | EMUD2/SOSCO/T1CK/CN0/RA4 — Emulation data pin / secondary oscillator output / Timer1 clock / change notification / Port A bit 4 |
| 腳位 14 | VCAP/VDDCORE — CPU core regulator capacitor connection (low-ESR capacitor required) |
| 腳位 15 | RP14/FLTA/RE14 — Remappable peripheral pin 14 / PWM fault input / Port E bit 14 |
| 腳位 16 | RP13/RE13 — Remappable peripheral pin 13 / Port E bit 13 |
| 腳位 17 | RP12/CVREF/AN10/RB12 — Remappable peripheral pin 12 / comparator voltage reference / analog input 10 / Port B bit 12 |
| 腳位 18 | RP11/AN11/RB13 — Remappable peripheral pin 11 / analog input 11 / Port B bit 13 |
| 腳位 19 | RP10/AN12/RB14 — Remappable peripheral pin 10 / analog input 12 / Port B bit 14 |
| 腳位 20 | RP9/AN13/RB15 — Remappable peripheral pin 9 / analog input 13 / Port B bit 15 |
| 腳位 21 | VSS — Ground reference |
| 腳位 22 | VDD — Positive supply (2.97 V to 3.63 V) |
| 腳位 23 | RP3/U1TX/SDO1/RF3 — Remappable peripheral pin 3 / UART1 transmit / SPI1 data out / Port F bit 3 |
| 腳位 24 | RP2/U1RX/SDI1/RF2 — Remappable peripheral pin 2 / UART1 receive / SPI1 data in / Port F bit 2 |
| 腳位 25 | RP6/SCL1/RF6 — Remappable peripheral pin 6 / I2C clock / Port F bit 6 |
| 腳位 26 | RP5/SDA1/RF5 — Remappable peripheral pin 5 / I2C data / Port F bit 5 |
| 腳位 27 | AVSS — Analog ground reference |
| 腳位 28 | AVDD — Analog supply (2.97 V to 3.63 V) |
典型應用
DSPIC33FJ32MC202-E/MM 適用於 6 應用s: BLDC/PMSM Motor Control, Digital Power Supplies (DC/DC and PFC), Solar Micro-Inverters and Power Converters, Industrial Embedded Control Nodes, Automotive Auxiliary Motor and Pump Control, Portable Battery-Powered Instrumentation.
BLDC/PMSM Motor Control
The DSPIC33FJ32MC202-E/MM is purpose-built for brushless DC and permanent-magnet synchronous motor drives: its two PWM generators with independent timebases produce complementary outputs with hardware dead-time insertion, while the 10-bit ADC (up to 500 ksps) samples phase currents fast enough for field-oriented control loops running at tens of kHz. Four input captures decode hall sensors or incremental encoder signals (QEA/QEB on PORTB), and Peripheral Pin Select lets the engineer route PWM and capture functions to optimal physical pins in a 28-pin budget. Implemented as the main control MCU between gate drivers and current-sense amplifiers, it delivers deterministic 40 MIPS execution with 3.3V logic. The -40C to +125C E-grade rating suits sealed drive enclosures; the trade-off is that the 10-bit ADC limits resolution versus the 12-bit GS-series parts for very high-precision current sensing.
推薦
Digital Power Supplies (DC/DC and PFC)
In digitally controlled power converters - LLC resonant stages, phase-shifted full bridges, and power-factor-correction front ends - the DSPIC33FJ32MC202-E/MM closes voltage and current loops in firmware at 40 MIPS with single-cycle DSP MAC instructions and 40-bit accumulators, enabling high-resolution control laws without quantization-induced limit cycling. The dual PWM generators provide phase-shifted or complementary drive with dead-time control, and the fast 10-bit ADC captures output voltage and inductor current at up to 500 ksps synchronized to the PWM period. The extended -40C to +125C temperature range supports fanless industrial power supplies, and Peripheral Pin Select keeps the 28-pin QFN (6x6 mm) footprint compact. Engineers should note that for applications needing dedicated SMPS peripherals and 12-bit sampling, Microchip's GS-series is the specialized alternative, at the cost of a different pinout.
推薦
Solar Micro-Inverters and Power Converters
Grid-tied micro-inverters and small solar converters require MPPT algorithms executed continuously alongside PWM generation and protective shutdown - a workload the DSPIC33FJ32MC202-E/MM handles with its 40 MIPS DSP-enhanced core, dual independent-timebase PWMs, and synchronized 500 ksps ADC sampling of panel voltage, current, and grid waveforms. Cycle-for-cycle deterministic execution ensures fault protection trips within a single PWM cycle, while the -40C to +125C E-grade rating covers rooftop enclosures that bake in direct sun. In a typical topology, the DSC runs MPPT and grid-current control, feeding gate drivers for the power stage, with UART/SPI linking to system-level monitoring. The 28-QFN exposed-pad package dissipates controller heat efficiently through the ground plane. Designers targeting anti-islanding and grid-code compliance should budget flash headroom within the 32 KB program memory for monitoring and protection state machines.
推薦
Industrial Embedded Control Nodes
For industrial automation nodes - sensor conditioning, actuator drivers, and protocol bridges - the DSPIC33FJ32MC202-E/MM combines a general-purpose MCU workflow with DSP horsepower: 32 KB flash stores protocol stacks and control code, 2 KB RAM buffers data, and UART, SPI, and I2C peripherals connect to modems, memories, and sensors. Peripheral Pin Select is the standout feature here, letting any digital peripheral map to any compatible pin so one PCB supports multiple product variants and easier routing on dense 28-pin boards. Five 16-bit timers and 2 output-compare channels generate timing, PWM, and pulse-train outputs, while the 10-bit ADC digitizes analog channels at up to 500 ksps. The extended -40C to +125C rating tolerates cabinet and outdoor installations, and the QFN-28 footprint keeps the BOM area small. Firmware compatibility across the dsPIC33F family eases later upgrades to higher-memory variants without PCB respins.
推薦
Automotive Auxiliary Motor and Pump Control
The dsPIC33FJ32MC202-E/MM suits automotive auxiliary drives - fuel pumps, cooling fans, window lifters, and HVAC blowers - where distributor data notes AEC-Q100 family qualification and the -40C to +125C E-grade covers under-hood-adjacent zones. The dual PWM generators drive three-phase bridges with dead-time insertion, four input captures process hall or resolver feedback, and the 500 ksps ADC samples current shunts for overload detection executed deterministically at 40 MIPS. Peripheral Pin Select simplifies routing within cramped 28-pin modules, and the nanoWatt XLP features keep key-off standby current negligible - critical for battery-powered vehicles. In-system programmable flash (32 KB) enables end-of-line firmware calibration via UART. For formal automotive programs, engineers must still obtain the specific PPAP and qualification documentation from Microchip; the trade-off versus larger dsPIC devices is the modest 2 KB RAM when running complex observer-based sensorless algorithms.
推薦
Portable Battery-Powered Instrumentation
Handheld measurement tools, dataloggers, and portable analyzers benefit from the DSPIC33FJ32MC202-E/MM's nanoWatt XLP power management: the device supports multiple sleep and idle modes that cut current to microamp levels between sampling bursts, extending battery life in a 3.3V single-cell-LDO system. Despite the low power, the 40 MIPS core with DSP MAC instructions executes FFTs and digital filtering locally - useful for vibration analyzers and acoustic instruments - while the 500 ksps 10-bit ADC captures waveforms and the UART/SPI/I2C interfaces handle displays, memories, and PC links. The 6x6 mm QFN-28 with exposed pad fits slim enclosures, and Peripheral Pin Select lets one design route peripherals around layout constraints. The -40C to +125C range suits outdoor field instruments. Note the 3.3V-only supply: designs powered from 5V USB need a regulator or level shifters on GPIO.
推薦
推薦產品摘要
工程參考資料，適用於 DSPIC33FJ32MC202-E/MM — 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 | DSPIC33FJ32MC202-I/MM | DSPIC33FJ32MC202-H/MM | DSPIC33FJ16GS502-E/MM | DSPIC33FJ16GS502-H/MM |
|---|---|---|---|---|---|
| Package | 28-QFN-S (6x6 mm), exposed pad | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN (6x6 mm) - same footprint family, different pinout | 28-QFN (6x6 mm) - same footprint family, different pinout |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Max Speed | dsPIC33F, 16-bit, 40 MIPS | dsPIC33F, 40 MIPS | dsPIC33F, 40 MIPS | dsPIC33F GS, 50 MIPS (GS series) | dsPIC33F GS, 50 MIPS (GS series) |
| Flash Memory | 32 KB | 32 KB | 32 KB | 16 KB | 16 KB |
| Temperature Range | -40C to +125C (E grade) | -40C to +85C (I grade) | High-temp H grade (junction to 150C) | -40C to +125C (E grade) | High-temp H grade |
| ADC | 10-bit, up to 500 ksps | 10-bit, up to 500 ksps | 10-bit, up to 500 ksps | 12-bit high-speed (GS series) | 12-bit high-speed (GS series) |
| PWM / SMPS Peripherals | 2 PWM generators, independent timebases | 2 PWM generators, independent timebases | 2 PWM generators, independent timebases | Dedicated SMPS PWM modules | Dedicated SMPS PWM modules |
主要差異化特點
- Extended -40C to +125C E-grade temperature rating (對比DSPIC33FJ32MC202-I/MM)
- 32 KB flash in the low-pin QFN-28 with 40 MIPS (對比DSPIC33FJ16GS502-E/MM)
- Peripheral Pin Select for maximum routing flexibility (對比DSPIC33FJ32MC202-H/MM)
設計說明
The 28-QFN (MM) package has an exposed die-attach pad on the underside that must be connected to VSS. Design a solder-mask-defined via array (e.g., 3x3 vias of 0.3 mm) in the land pattern to the ground plane for both electrical return and heat spreading. Follow the Microchip QFN land-pattern guidelines: 0.5 mm pitch pads, and use NSMD pads for reliable solder fillets. Skip the exposed pad and you risk poor ADC accuracy (AVSS return path) and elevated junction temperature.
The dsPIC33F uses an internal 1.8V core regulator; the VCAP/VDDCORE pin (pin 14) must have a low-ESR capacitor (approximately 10 uF tantalum or ceramic) to ground, placed within a few millimeters of the pin. VDD and AVDD both operate at 2.97V-3.63V: decouple each VDD pin with 0.1 uF ceramic plus bulk 10 uF, and filter AVDD with an RC (e.g., ferrite bead plus 10 uF) from VDD to keep ADC noise low. Do not feed 5V to any pin - the family is 3.3V only.
On the MC202, certain pins are analog-only at reset (AN pins on PORTB); configure AD1PCFGL/AD1PCFGH registers early in code or digital I/O on these pins will not function. When using Peripheral Pin Select, remember RP3/RP2 on the UART default pins are locked-out from certain remaps on some family members - verify the PPS mapping table in datasheet 70283K before routing. Also, MCLR needs a pull-up resistor (4.7k-10k) for reliable operation with programmers such as PICkit or ICD.
For motor control firmware timing, place the current-sense amplifier outputs and gate-drive PWM traces so the ADC sampling instant is synchronized with the PWM centers (use the ADC trigger from the PWM module). Keep the crystal loop (OSC1/OSC2) compact with ground guard, or use the internal FRC oscillator with PLL if a crystal is unnecessary - this frees pins 9/10 and improves EMI. Separate analog ground under AVSS from power ground under the gate drivers, joining at a single star point.
合規資訊
Distributor data (Hotenda) describes the dsPIC33F 33F series as Automotive, AEC-Q100 qualified and RoHS/lead-free. REACH and halogen-free status not stated in provided data.
