DSPIC33EP128MU502-E/SP - 16-bit DSC 128KB USB CAN | Microchip
Артикул: DSPIC33EP128MU502-E/SP ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $6.62 | $6,62 |
| 10 | $6.02 | $60,20 |
| 100 | $5.36 | $536,00 |
| 500 | $4.89 | $2.445,00 |
| 1.000 | $4.55 | $4.550,00 |
DSPIC33EP128MU502-E/SP Обзор
A digital signal controller is a hybrid device that combines the compute architecture of a microcontroller with the mathematical acceleration of a digital signal processor. Within the power management and embedded control hierarchy, DSCs sit between general-purpose MCUs and dedicated DSPs, making them the natural choice for closed-loop control systems such as digital power supplies, motor drives, and power-conversion stages that require both fast multiply-accumulate throughput and rich peripherals.
Key features of the DSPIC33EP128MU502 include a 12-bit, 1.1 Msps analog-to-digital converter, three on-chip operational amplifiers, high-resolution PWM modules suitable for power conversion, a CTMU (Charge Time Measurement Unit) for capacitive touch and precision time measurement, and dual connectivity blocks: Full-Speed USB 2.0 device support and an ECAN module for CAN 2.0b networks.
Architecturally, the dsPIC33E core executes an enhanced 16-bit instruction set with DSP engine (17x17 multiplier, 40-bit accumulator, dual operand fetch), enabling filtering and control-loop math at up to 70 MIPS. Flash is self-programmable, supporting field firmware updates; the Extended-temperature (E) suffix guarantees operation across the full -40C to +125C automotive-grade range.
Typical applications include digital power supplies and PFC stages, brushless DC and PMSM motor control, USB-connected embedded-control nodes, and CAN-based automotive or industrial sensing modules where the wide temperature rating is mandatory.
Design consideration: the SPDIP package is ideal for prototyping and low-volume assembly, but its larger package limits thermal density versus SOIC/QFN siblings - verify dissipation at 70 MIPS operation.
This page adds distributor stock visibility, drop-in same-family alternatives, and selection guidance not found in the manufacturer datasheet.
Аналоги без доработки для DSPIC33EP128MU502-E/SP — 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 DSPIC33EP128MU502-E/SP (тот же форм-фактор и посадочное место) — отличается по Operating Temperature, Package, Core Architecture, Flash Program Memory, ADC Resolution.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
DSPIC33EP128MU502-I/SP
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$3.38 / шт.
Открыть даташит →DSPIC33EP256MU502-E/SP
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP64MU502-E/SP
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP128GP502-E/SP
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$3.64 / шт.
Открыть даташит →DSPIC33EP128MC502-E/SP
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
DSPIC33EP128MU502-E/SP Максимальные параметры и электрические характеристики
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum CPU Speed | 70 MIPS |
| Flash Program Memory | 128 KB |
| SRAM | 16 KB |
| EEPROM | 1 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Рабочая температура | -40C to +125C (Extended, E suffix) |
| ADC Resolution | 10-bit / 12-bit |
| ADC Sampling Rate | 1.1 Msps (12-bit) |
| On-chip Op-Amps | 3 |
| USB Interface | USB 2.0 Full-Speed device |
| CAN Interface | ECAN, CAN 2.0B |
| Communication Peripherals | 2x UART, 2x SPI, 2x I2C |
| Timers | 1x 16-bit with prescaler + multiple 16/32-bit timers, CTMU |
| PWM | Motor Control PWM / high-resolution PWM |
| Корпус | 28-pin SPDIP (SP), 300 mil |
| Тип монтажа | Through-Hole |
| Статус RoHS | ROHS3 Compliant |
| Programming Interface | ICSP (In-Circuit Serial Programming), 2-wire emulation |
Конфигурация выводов DSPIC33EP128MU502-E/SP
| Контакт 1 | MCLR — Master clear reset, programming voltage input |
| Контакт 2 | AN0/RB3 — Analog input 0 / port B, VREF+ capable |
| Контакт 3 | AN1/RA4 — Analog input 1 / port A, VREF- capable |
| Контакт 4 | AN2/RB0 — Analog input 2 / comparator input / port B |
| Контакт 5 | AN3/RB1 — Analog input 3 / comparator voltage reference / port B |
| Контакт 6 | PGD/AN4/RB2 — ICSP data, analog input 4 / port B |
| Контакт 7 | PGC/AN5/RB3 — ICSP clock, analog input 5 / port B |
| Контакт 8 | VDD — Positive supply (3.0 V to 3.6 V) |
| Контакт 9 | VSS — Ground reference |
| Контакт 10 | OSC1/RC12 — Primary oscillator input / external clock in |
| Контакт 11 | OSC2/RC15 — Primary oscillator output / clock out |
| Контакт 12 | SOSCI/RB4 — Secondary (32.768 kHz) oscillator input / port B |
| Контакт 13 | SOSCO/T1CK/RA0 — Secondary oscillator output / Timer1 clock / port A |
| Контакт 14 | VDD — Positive supply |
| Контакт 15 | VSS — Ground reference |
| Контакт 16 | AN8/RB5 — Analog input 8 / port B |
| Контакт 17 | AN9/RB6 — Analog input 9 / port B |
| Контакт 18 | AN10/RB7 — Analog input 10 / port B |
| Контакт 19 | AN11/RB8 — Analog input 11 / port B |
| Контакт 20 | AN12/RB9 — Analog input 12 / port B |
| Контакт 21 | AN13/RB10 — Analog input 13 / Timer2 external clock / port B |
| Контакт 22 | AN14/RB11 — Analog input 14 / Timer3 external clock / port B |
| Контакт 23 | AN15/RB12 — Analog input 15 / port B |
| Контакт 24 | VSS — Ground reference |
| Контакт 25 | VDD — Positive supply |
| Контакт 26 | PGD3/RB13 — Alternate ICSP data / remappable I/O / port B |
| Контакт 27 | PGC3/RB14 — Alternate ICSP clock / remappable I/O / port B |
| Контакт 28 | RB15 — Remappable I/O (UART/SPI/I2C/PPS) / port B |
Типичное применение
DSPIC33EP128MU502-E/SP подходит для 6 применениеs: Digital Power Supplies and PFC, BLDC/PMSM Motor Control, USB Embedded Control Nodes, Automotive and Industrial CAN Modules, Portable and Battery-Powered Instruments, Capacitive Touch Human Interface.
Digital Power Supplies and PFC
The DSPIC33EP128MU502-E/SP is a natural fit for digitally controlled AC-DC and DC-DC converters. Its 70 MIPS DSP engine executes compensator math (17x17 multiply, 40-bit accumulation) fast enough for switching frequencies in the hundreds of kilohertz, while the 12-bit 1.1 Msps ADC samples output voltage and inductor current with low latency. High-resolution PWM enables fine duty-cycle granularity for tight regulation. The three on-chip op-amps amplify shunt-current signals ahead of the ADC, cutting external component count. Placed as the sole control IC, it replaces analog compensation networks with firmware-tunable Digital Compensator blocks, simplifying design iteration across the -40C to +125C Extended range.
Рекомендуется
BLDC/PMSM Motor Control
For brushless DC and permanent-magnet synchronous motor drives, the MU502 provides MC-type PWM outputs, quadrature encoder interface (QEI) inputs, and fast ADC triggered synchronously with PWM for low-noise current sampling. The 70 MIPS core runs field-oriented control (FOC) and sensorless observers within one PWM period, and the three integrated op-amps condition low-side shunt currents without external amplifiers. The Extended -40C to +125C rating suits pump, fan, and industrial drive enclosures. The SPDIP through-hole package also simplifies prototyping on perfboard or socketed evaluation fixtures during algorithm bring-up before committing to a production SMT layout.
Рекомендуется
USB Embedded Control Nodes
The integrated USB 2.0 Full-Speed device controller makes the MU502 ideal for instruments, test jigs, and industrial nodes that must communicate with a PC without a separate USB chip. Microchip's USB framework supplies HID, CDC (virtual COM port), and vendor-class stacks executable within the 128 KB Flash alongside application firmware. Because USB and the ECAN controller coexist, the device can serve as a CAN-to-USB gateway for field diagnostics - receiving CAN 2.0B frames on one side and streaming them to a host over CDC on the other. The 16 KB SRAM comfortably buffers multi-frame CAN and USB endpoint traffic simultaneously.
Рекомендуется
Automotive and Industrial CAN Modules
With an ECAN controller supporting CAN 2.0B, 125 kbps to 1 Mbps bit rates, and hardware message buffering, the device targets sensor nodes, gateways, and actuator controllers on vehicle and factory bus networks. The -40C to +125C Extended qualification covers engine-bay-adjacent enclosures and unconditioned industrial cabinets. The CTMU peripheral adds capacitive-touch and precise time-measurement capability for panel interfaces on the same die, and the remappable pin routing (PPS) lets designers place CAN RX/TX, UART, and analog channels on optimal PCB positions. ROHS3 compliance supports standard European-market deployment of these modules.
Рекомендуется
Portable and Battery-Powered Instruments
Operating from a single 3.0 V to 3.6 V rail, the MU502 integrates the analog front end - 12-bit ADC, three op-amps, and CTMU - that portable measurement instruments typically need, minimizing board area and BOM cost. The DSP engine performs FFT and digital filtering on captured waveforms in real time, while USB connectivity transfers results or charging/status telemetry to a host. The 1 KB on-chip EEPROM stores calibration constants without external memory. The through-hole SPDIP package suits hand-built or socketed instrument boards used in lab and service equipment, and Microchip's low-power sleep/idle modes extend battery life between USB-synchronized wake events.
Рекомендуется
Capacitive Touch Human Interface
The CTMU (Charge Time Measurement Unit) enables mTouch capacitive-touch buttons and sliders directly on the same controller driving application logic, eliminating a separate touch IC. Combined with the 12-bit ADC for ambient sensing, PWM outputs for LED feedback or haptic drivers, and USB for host connectivity, a single DSPIC33EP128MU502-E/SP can implement a complete human-machine interface: touch sensing, LED indication, and host reporting. The -40C to +125C range allows panel controllers in outdoor or industrial equipment, while the 28-pin SPDIP package simplifies revisions of touch electrode routing during mechanical prototyping phases.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для DSPIC33EP128MU502-E/SP — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | DSPIC33EP128MU502-I/SP | DSPIC33EP256MU502-E/SP | DSPIC33EP128GP502-E/SP | DSPIC33EP128MC502-E/SP |
|---|---|---|---|---|---|
| Package | 28-pin SPDIP (SP), 300 mil | 28-pin SPDIP - same | 28-pin SPDIP - same | 28-pin SPDIP - same | 28-pin SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 256 KB | 128 KB | 128 KB |
| SRAM | 16 KB | 16 KB | 24 KB | 16 KB | 16 KB |
| USB Device | Yes (USB 2.0 Full-Speed) | Yes | Yes | No | No |
| CAN (ECAN) | Yes (CAN 2.0B) | Yes | Yes | Yes | Yes |
| On-chip Op-Amps | 3 | 3 | 3 | 0 | 0 |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) |
Ключевые отличия
- USB 2.0 Full-Speed device integrated on die (против DSPIC33EP128GP502-E/SP)
- Extended -40C to +125C qualification (против DSPIC33EP128MU502-I/SP)
- Three on-chip op-amps for current sensing (против DSPIC33EP128MC502-E/SP)
Заметки по проектированию
The dsPIC33EP128MU502 requires a regulated 3.0 V to 3.6 V supply; do not connect it directly to 5 V. Use a 3.3 V LDO such as the MCP1700 or MCP1755, and decouple each VDD pin (8, 14, 25) with 100 nF ceramic capacitors placed within 5 mm of the pin, plus a 4.7 uF to 10 uF bulk capacitor near the board entry. VSS pins (9, 15, 24) should return to a low-impedance ground plane. During Flash self-programming, current transients occur - adequate bulk decoupling prevents brown-out resets.
In the SPDIP package, analog pins (2-5, 16-23) sit adjacent to digital remappable I/O. For best ADC accuracy, route analog traces away from PWM and USB lines, and configure unused ANx pins as digital outputs low (per Microchip ADC usage guidelines). The secondary oscillator pins (12, 13) should use a 32.768 kHz crystal with ground guard ring if RTCC accuracy matters. MCLR (pin 1) needs a 10 kOhm pull-up to VDD and should be brought to an ICSP header together with PGC/PGD (pins 6, 7).
Two frequent mistakes: (1) assuming the -I version substitutes for the -E version - the -I grade stops at +85C, which fails Extended-temperature requirements; verify the -E suffix on incoming parts. (2) Configuring Peripheral Pin Select (PPS) incorrectly - UART, SPI, I2C, and PWM outputs must be explicitly mapped via PPS registers at startup; forgetting the unlock sequence leaves peripherals dead. Also note that with all peripherals active (USB + ECAN + ADC at full rate), verify clock configuration delivers the intended 70 MIPS (7.3728 MHz x PLL or 8 MHz crystal options per datasheet).
Информация о соответствии
ROHS3 Compliant per distributor listing (ics-embedded.com). Lead-free per /E suffix qualification. Reach and conflict-minerals status not stated in provided data.
