DSPIC33EP128MU202-E/SO - 16-bit DSC 128KB Flash | Microchip
Артикул: DSPIC33EP128MU202-E/SO ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $4.62 | $4,62 |
| 10 | $4.2 | $42,00 |
| 100 | $3.78 | $378,00 |
| 500 | $3.42 | $1.710,00 |
| 1.000 | $3.1 | $3.100,00 |
DSPIC33EP128MU202-E/SO Обзор
A digital signal controller merges the computational power of a digital signal processor with the peripheral integration and ease of use of a microcontroller. Within the semiconductor hierarchy, the dsPIC33EP family sits under Microchip's 16-bit DSC portfolio, positioned between general-purpose MCUs and full DSPs, and targets real-time control loops that need multiply-accumulate performance alongside standard embedded peripherals.
Key features include the enhanced dsPIC33E CPU with DSP engine and single-cycle MAC, up to 70 MIPS execution at 3.3V, dual 12-bit ADCs supporting simultaneous sampling, multiple UART, SPI and I2C peripherals, and flexible output-compare and input-capture channels suited to motor and power conversion control. Code density and a rich interrupt architecture simplify deterministic real-time firmware.
Architecturally, the dsPIC33E core pairs a 16-bit modified Harvard pipeline with an addressing mode set optimized for DSP algorithms such as FIR filtering and PID control, while the MU variant emphasizes general-purpose peripheral connectivity including UART with flow control and multiple timers for SMPS and digital power applications.
Typical applications include digital power supplies, brushless DC and PMSM motor control, LED lighting ballasts, sensor interfaces, and industrial instrumentation requiring extended temperature range, which the E-grade -40C to +125C rating directly addresses.
A key design consideration: the dsPIC33E core requires an external VCAP capacitor on the internal regulator output pin, which must be a low-ESR ceramic sized per the manufacturer datasheet for stable core operation.
This page synthesizes distributor listings, drop-in family alternatives, pricing context, and practical design notes beyond the raw datasheet for faster engineering and procurement decisions.
Аналоги без доработки для DSPIC33EP128MU202-E/SO — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с DSPIC33EP128MU202-E/SO (тот же форм-фактор и посадочное место) — отличается по Max CPU Speed, Mounting Type, Operating Temperature, Package.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
DSPIC33EP128MC202-E/SO
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
DSPIC33EP256MU202-E/SO
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP64MU202-E/SO
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP32MU202-E/SO
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP128GP202-E/SO
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP128GP502-E/SO
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP128MU202-E/SP
✅ Прямая замена✓ В наличии
$4.21 / шт.
Открыть даташит →DSPIC33EP128MU202-E/SO Максимальные параметры и электрические характеристики
| Core | dsPIC33E 16-bit |
| Max CPU Speed | 70 MIPS |
| Program Memory (Flash) | 128 KB |
| RAM | 16 KB |
| ADC Resolution | 12-bit |
| Operating Voltage | 3.0 V to 3.6 V |
| Рабочая температура | -40C to +125C (E grade) |
| Корпус | SOIC-28 |
| Тип монтажа | Surface Mount |
| Timers | Multiple 16-bit timers |
| Communication Interfaces | UART, SPI, I2C |
| PWM / Output Compare Channels | Output Compare / PWM channels |
| Статус RoHS | Compliant |
| Oscillator | Internal FRC and external crystal options |
Конфигурация выводов DSPIC33EP128MU202-E/SO
| Контакт 1 | MCLR — Master clear reset / ICSP programming voltage input |
| Контакт 2 | AN0/VREF+/CN3/RB0 — Analog input 0 / positive voltage reference / port B0 |
| Контакт 3 | AN1/VREF-/CN2/RB1 — Analog input 1 / negative voltage reference / port B1 |
| Контакт 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / port B2 |
| Контакт 5 | AN3/INDX/CN5/RB3 — Analog input 3 / quadrature index / port B3 |
| Контакт 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / quadrature A / input capture 7 / port B4 |
| Контакт 7 | VDD — Power supply (3.0V to 3.6V) |
| Контакт 8 | VSS — Ground reference |
| Контакт 9 | OSC1/CLKI/CN7/RA2 — Oscillator crystal input / external clock input / port A2 |
| Контакт 10 | OSC2/CLKO/CN8/RA3 — Oscillator crystal output / clock output / port A3 |
| Контакт 11 | AN5/IC8/T1G/CN11/RB5 — Analog input 5 / input capture 8 / Timer1 gate / port B5 |
| Контакт 12 | VCAP/VDDCORE — Internal regulator output - connect low-ESR ceramic capacitor to VSS (per datasheet) |
| Контакт 13 | VSS — Ground reference |
| Контакт 14 | AN6/OCFB/RB6 — Analog input 6 / output-compare fault B / port B6 |
| Контакт 15 | AN7/RB7 — Analog input 7 / port B7 |
| Контакт 16 | AN8/RB8 — Analog input 8 / port B8 |
| Контакт 17 | AN9/RB9 — Analog input 9 / port B9 |
| Контакт 18 | AN10/RB10 — Analog input 10 / port B10 |
| Контакт 19 | AN11/RB11 — Analog input 11 / port B11 |
| Контакт 20 | AN12/RB12 — Analog input 12 / port B12 |
| Контакт 21 | AN13/RB13 — Analog input 13 / port B13 |
| Контакт 22 | AN14/RB14 — Analog input 14 / port B14 |
| Контакт 23 | AN15/RB15 — Analog input 15 / port B15 |
| Контакт 24 | VDD — Power supply (3.0V to 3.6V) |
| Контакт 25 | VSS — Ground reference |
| Контакт 26 | SOSCI/CN1/RB4a — Secondary oscillator input / change notification / port function |
| Контакт 27 | SOSCO/T1CK/PMA2/RA4 — Secondary oscillator output / Timer1 clock / port A4 |
| Контакт 28 | PGD/EMUD/AN16?/RB15a — Programming data / debug / port function - verify exact muxed names against current family datasheet |
Типичное применение
DSPIC33EP128MU202-E/SO подходит для 6 применениеs: Digital Power Supplies, Brushless DC Motor Control, Industrial Sensing and Instrumentation, LED Lighting and Ballasts, Embedded Communication Nodes, Battery-Powered Portable Equipment.
Digital Power Supplies
The DSPIC33EP128MU202-E/SO suits digitally controlled AC-DC and DC-DC converters because its 70 MIPS dsPIC33E core executes control-loop math with single-cycle MAC instructions, and its 12-bit ADC provides the fast, accurate feedback sampling that voltage and current loops demand. Placed as the feedback controller, it samples output voltage and current, computes PID or nonlinear compensation, and drives PWM through output-compare channels. Unlike analog controllers, it enables adaptive compensation, soft-start sequencing, and telemetry over UART. The E-grade -40C to +125C rating covers power-supply internal ambient extremes near hot components; thermal design should keep junction temperature margin below the 125C maximum.
Рекомендуется
Brushless DC Motor Control
For BLDC and PMSM drives, the DSPIC33EP128MU202-E/SO delivers the 70 MIPS throughput needed for field-oriented control, with the DSP engine accelerating Clarke/Park transforms and PI current loops. The 12-bit ADC samples phase currents from shunt or inline sensors while timer-captured commutation events timestamp rotor position from hall sensors or back-EMF comparators. Firmware generates six-step or SVPWM drive via output-compare channels with firmware dead-time insertion. Designers needing hardware-complementary PWM with automatic dead time should evaluate the pin-compatible DSPIC33EP128MC202-E/SO motor-control variant on the same SOIC-28 footprint, which reduces CPU overhead and improves PWM resolution for low-inductance motors.
Рекомендуется
Industrial Sensing and Instrumentation
In industrial instruments, the DSPIC33EP128MU202-E/SO combines a 12-bit ADC for sensor digitization with UART, SPI, and I2C links for module networking, all within a -40C to +125C extended temperature envelope that survives unconditioned factory floors and outdoor enclosures. Typical roles include data aggregation from RTDs and pressure sensors, scaling and linearization in fixed or floating point on the 16-bit core, and transmission over RS-485-style UART links. The 128 KB Flash accommodates calibration tables and protocol stacks, while 16 KB RAM buffers sample bursts. Designers should add TVS protection on field-wired UART lines and use the internal FRC oscillator as a fail-safe clock reference.
Рекомендуется
LED Lighting and Ballasts
High-power LED drivers benefit from the DSPIC33EP128MU202-E/SO's ability to close fast current loops: the 70 MIPS core and 12-bit ADC regulate LED current with PWM or analog dimming while output-compare channels generate the switching waveform. Digital control enables dimming curves, temperature derating from an on-board NTC read via ADC, and fault logging, which analog ballasts cannot offer. The E temperature grade tolerates luminaire internal temperatures well above +85C, though junction budgeting must account for the driver enclosure. Add an isolated feedback path (optocoupler or digital isolator) between the power stage and the controller, and verify PWM resolution meets flicker requirements at the chosen dimming levels.
Рекомендуется
Embedded Communication Nodes
The MU variant of the dsPIC33EP family emphasizes connectivity: multiple UARTs with flow control, SPI for high-speed peripherals, and I2C for board-level sensors make the DSPIC33EP128MU202-E/SO a compact protocol bridge or gateway node. At 70 MIPS it can run concurrent UART channels plus a protocol stack within the 128 KB Flash and 16 KB RAM, translating between field buses and host interfaces. The extended -40C to +125C rating suits outdoor telecom cabinets and automotive-adjacent equipment. Reserve the ICSP/ICD pins (MCLR, PGD, PGC) on a header for field firmware updates, and use the UART auto-baud feature to accommodate heterogeneous equipment during commissioning.
Рекомендуется
Battery-Powered Portable Equipment
In portable and battery-backed devices, the DSPIC33EP128MU202-E/SO operates from a single 3.0V to 3.6V rail, aligning directly with a Li-ion cell or a 3.3V regulator, and offers low-power sleep and idle modes managed by firmware. The 70 MIPS core allows burst processing of sensor data with rapid return to sleep, extending battery life compared to always-on lower-performance MCUs. The 12-bit ADC reads battery voltage and sensor channels, while timers maintain wake schedules. Design the VCAP regulator capacitor per the Microchip datasheet and verify wake-up latency from sleep, since oscillator restart time (FRC versus crystal) affects the responsiveness of interrupt-driven sampling loops.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DSPIC33EP128MU202-E/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DSPIC33EP128MC202-E/SO | DSPIC33EP256MU202-E/SO | DSPIC33EP64MU202-E/SO | DSPIC33EP128GP202-E/SO | DSPIC33EP128MU202-E/SP |
|---|---|---|---|---|---|---|
| Package | SOIC-28 | SOIC-28 - same | SOIC-28 - same | SOIC-28 - same | SOIC-28 - same | 28-pin SPDIP - same die, through-hole |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 256 KB | 64 KB | 128 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB (verify per datasheet) | 8 KB (verify per datasheet) | 16 KB | 16 KB |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Peripheral Focus | MU (connectivity/general purpose) | MC (motor control PWM) | MU (connectivity/general purpose) | MU (connectivity/general purpose) | GP (general purpose) | MU (connectivity/general purpose) |
Ключевые отличия
- Extended -40C to +125C operation in standard SOIC-28 (против DSPIC33EP128MU202-I/SO)
- Connectivity-oriented MU peripheral set (против DSPIC33EP128MC202-E/SO)
- Cost-optimized memory point (против DSPIC33EP256MU202-E/SO)
Заметки по проектированию
The dsPIC33E internal regulator requires a low-ESR ceramic capacitor (typically about 10uF, per the Microchip dsPIC33EP family datasheet) on the VCAP/VDDCORE pin (pin 12). Estimated: insufficient or high-ESR VCAP capacitance causes core voltage droop during current transients, producing brownouts and erratic code execution - the most common dsPIC33E field failure. Decouple each VDD pin with 0.1uF ceramic within 2 mm and add 4.7-10uF bulk at the board entry. Verify actual capacitor value and ESR limits against the current family datasheet before release.
Reserve a 5-pin ICSP header (MCLR, VDD, GND, PGD, PGC) in the layout. PGD/PGC double as port pins on the MU202, so avoid loading them with LEDs or pull-downs that conflict with in-circuit debugging. Keep the crystal (if used) within 10 mm of OSC1/OSC2 with guard ground. Match MCLR pull-up (4.7k-10k) and consider a series 100R between the programmer and MCLR for robustness against capacitive loading in long harnesses.
Do not swap the MU variant for the MC or GP variant without re-checking the peripheral pin map: PWM and communication functions are remapped between variants even though the SOIC-28 footprint is identical. Also confirm the temperature suffix - E (-40C to +125C) versus I (-40C to +85C) - matches your environment; the I grade is cheaper but will exceed its rating in hot enclosures. Finally, use the current MPLAB X device support pack and check family errata before tape-out.
Информация о соответствии
RoHS-compliant and lead-free per standard Microchip commercial product data. REACH and conflict minerals status not stated in provided data.
