PIC24EP256MC202-H/SO - 70 MIPS Motor Control MCU, 256KB Flash | Microchip
MPN: PIC24EP256MC202-H/SO ✓ Hoạt độngPIC24EP256MC202-H/SO Tóm tắt
A 16-bit microcontroller (MCU) is a single-chip processor core with on-chip Flash program memory, RAM, peripherals and I/O designed to combine deterministic real-time control with DSP-style arithmetic. The PIC24E family targets motor control, power conversion and high-end general-purpose embedded control - the PIC24EP256MC202-H/SO sits in the 'MC' (Motor Control) sub-family, with high-resolution PWM, dedicated quadrature encoder interfaces, op-amp outputs and an analog comparator designed to drive field-oriented control (FOC) loops.
Key features include 256 KB (85.5K x 24) self-programmable Flash with EEPROM emulation, 32 KB SRAM, 4 KB instruction cache, 70 MIPS performance at 70 MHz Fosc with 4x PLL, high-speed PWM (PWM with 7.5 ns resolution), dual analog comparators with 5 ns response, two on-chip operational amplifiers (5 MHz GBW) usable for current sensing, a 10-bit ADC at 1.1 Msps (12-bit option at 500 ksps), and a Peripheral Trigger Generator (PTG) for hardware-state-machine event sequencing. Communication peripherals include SPI, I2C, UART, CAN, and ECAN.
The device operates from 3.0 V to 3.6 V, integrates a low-jitter PLL, an LDO-based core supply, and a brown-out reset. Its 28-SOIC form factor suits single/three-phase BLDC/PMSM sensorless and sensored drives up to ~1 kW, while the higher-temperature -H grade supports under-hood automotive and industrial environments.
Typical applications include BLDC/PMSM sensorless and sensored motor control, field-oriented control (FOC) drives, switched-mode power supplies (PFC + LLC), uninterruptible power systems, photovoltaic inverters, and industrial automation with CAN-connected nodes.
When designing with the -H/SO, provide a low-impedance 3.3 V rail, place the 10 uF + 0.1 uF decoupling pair within 5 mm of the VDD pins, and reserve the ICSP/ICD pins (PGECx/PGEDx) for in-circuit debug. Ensure unused comparators are configured to defined states to avoid current spikes.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC24EP256MC202-H/SO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC24EP256MC202-H/SO (cùng hình factor và footprint) — khác nhau ở Core Architecture, Operating Temperature, Package, ADC, Analog Comparators.
PIC24EP256MC202-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24EP256MC202-H/SS
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP256MC202-H/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP128MC202-H/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP256GP202-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24EP256MC202-H/SO Tỷ lệ tối đa & tính chất điện
| Product Family | PIC PIC 24EP |
| Core Architecture | 16-bit PIC24E DSC |
| Core Performance | 70 MIPS at 70 MHz (Fosc with 4x PLL) |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| RAM | 32 KB |
| Instruction Cache | 4 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +150C (-H grade) |
| Hộp | 28-SOIC (0.295", 7.50 mm width) |
| Số chân | 28 |
| ADC | 10-bit, 1.1 Msps (12-bit option at 500 ksps) |
| On-chip Op Amps | 2 x (5 MHz GBW, useful for current sensing) |
| Analog Comparators | 2 x (5 ns response) |
| PWM Channels | High-speed PWM with 7.5 ns resolution |
| Communication | SPI, I2C, UART, CAN (ECAN) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 (unlimited) |
| Trạng thái RoHS | Compliant |
| AEC-Q100 | AEC-Q100 qualified (automotive -H grade) |
Cấu hình chân PIC24EP256MC202-H/SO
| Chân 1 | RA0 — Digital I/O / AN0 / U1TX |
| Chân 2 | RA1 — Digital I/O / AN1 / OA1OUT / U1RX |
| Chân 3 | RA2 — Digital I/O / AN2 / OA1IN- |
| Chân 4 | RA3 — Digital I/O / AN3 / OA1IN+ |
| Chân 5 | RA4 — Digital I/O / AN4 / OA3OUT |
| Chân 6 | VDD — Power supply (3.0-3.6 V) |
| Chân 7 | VCAP — Core logic decoupling cap |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKI — Crystal input / external clock |
| Chân 10 | OSC2/CLKO — Crystal output / clock output |
| Chân 11 | RB5 — Digital I/O / AN13 / PWM1H |
| Chân 12 | RB6 — Digital I/O / AN14 / PWM1L |
| Chân 13 | RB7 — Digital I/O / AN15 / PWM2H |
| Chân 14 | RB8 — Digital I/O / AN16 / PWM2L |
| Chân 15 | RB9 — Digital I/O / AN17 |
| Chân 16 | PGEC1 — ICSP clock input |
| Chân 17 | PGED1 — ICSP data input/output |
| Chân 18 | RC0 — Digital I/O / PWM3H |
| Chân 19 | RC1 — Digital I/O / PWM3L |
| Chân 20 | RC2 — Digital I/O / PWM4H |
| Chân 21 | RC3 — Digital I/O / PWM4L |
| Chân 22 | RC4 — Digital I/O |
| Chân 23 | RC5 — Digital I/O |
| Chân 24 | RC6 — Digital I/O |
| Chân 25 | RC7 — Digital I/O |
| Chân 26 | RA7 — Digital I/O / AN7 |
| Chân 27 | VSS — Ground reference |
| Chân 28 | VDD — Power supply (3.0-3.6 V) |
Ứng dụng tiêu biểu
PIC24EP256MC202-H/SO phù hợp cho 6 Áp dụngs: BLDC / PMSM Sensorless Motor Control (FOC), Switched-Mode Power Supply (PFC + LLC), Solar / Photovoltaic Inverter Control, Uninterruptible Power Supply (UPS) and Inverter, Industrial Servo Drive with CAN Networking, Automotive Auxiliary Pump / Fan Motor Control.
BLDC / PMSM Sensorless Motor Control (FOC)
The PIC24EP256MC202-H/SO fits 3-phase BLDC and PMSM sensorless field-oriented control because its high-resolution 7.5 ns PWM, dual on-chip 5 MHz op-amps and 5 ns comparators implement current sensing and commutation in hardware. The 70 MIPS core runs the FOC and MTPA loops in well under 10 us. AEC-Q100 -H grade supports under-hood and harsh industrial cabinet temperatures.
Được đề xuất
Switched-Mode Power Supply (PFC + LLC)
For digital PFC + LLC power supplies, the PIC24EP256MC202-H/SO drives the high-resolution PWM, samples the input voltage/current through its 1.1 Msps 10-bit ADC, and runs cycle-by-cycle control loops. The on-chip op-amps sense inductor current, the comparators provide cycle-by-cycle current limiting, and the 256 KB Flash fits full PFC + LLC state machines with telemetry.
Được đề xuất
Solar / Photovoltaic Inverter Control
The PIC24EP256MC202-H/SO is well suited to small photovoltaic inverters and micro-inverters because the high-resolution PWM synchronizes MPPT switching, the dual op-amps measure PV string current, and the CAN/ECAN peripheral networks multiple inverter modules. The -H grade supports rooftop PV cabinet temperatures up to +150C, while 256 KB Flash fits grid-tie control and anti-islanding code.
Được đề xuất
Uninterruptible Power Supply (UPS) and Inverter
In online UPS designs, the PIC24EP256MC202-H/SO runs the inverter control loop with the high-resolution PWM, monitors battery voltage/current with the on-chip op-amps, and orchestrates transfer between mains and battery via ECAN messaging to other cabinet modules. AEC-Q100 -H grade supports industrial cabinet environments where the part co-locates with magnetics and battery cells.
Được đề xuất
Industrial Servo Drive with CAN Networking
For servo drives on a CANopen / DeviceNet industrial bus, the PIC24EP256MC202-H/SO combines the on-chip ECAN controller with the motor-control peripherals. The 70 MIPS core runs position/velocity/torque loops from quadrature encoder feedback, the high-resolution PWM drives the 3-phase bridge, and AEC-Q100 qualification tolerates factory cabinet thermal stress up to +150C.
Được đề xuất
Automotive Auxiliary Pump / Fan Motor Control
Automotive auxiliary pumps, HVAC blowers and cooling fans use the PIC24EP256MC202-H/SO for AEC-Q100 qualified BLDC control on a 12 V bus. The -H temperature grade survives under-hood environments, the on-chip op-amps sense phase current without external instrumentation amplifiers, and the ECAN peripheral integrates with the vehicle bus for diagnostic feedback.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24EP256MC202-H/SO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC24EP256MC202-I/SO | PIC24EP128MC202-H/SO | PIC24EP256GP202-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) |
| Core / MIPS | PIC24E 16-bit, 70 MIPS | PIC24E, 70 MIPS | PIC24E, 70 MIPS | PIC24E, 70 MIPS |
| Flash | 256 KB | 256 KB | 128 KB (-50%) | 256 KB |
| Temperature Grade | -H, -40C to +150C, AEC-Q100 | -I, -40C to +85C, NOT automotive | -H, -40C to +150C, AEC-Q100 | -I, -40C to +85C, NOT automotive |
| High-resolution PWM (7.5 ns) | Yes | Yes | Yes | No - standard PWM |
| On-chip Op-amps | 2 x 5 MHz | 2 x 5 MHz | 2 x 5 MHz | 0 (none) |
| Analog Comparators (5 ns) | 2 | 2 | 2 | 0 (none) |
| Price tier qty-1 (USD) | 7.45 | 6.20 (approx) | 6.85 (approx) | 5.90 (approx) |
Bảo phân biệt quan trọng
- AEC-Q100 -H grade in 28-SOIC (vsPIC24EP256MC202-I/SO)
- Motor-control peripherals integrated (vsPIC24EP256GP202-I/SO)
- 256 KB Flash for full motor + comms stack (vsPIC24EP128MC202-H/SO)
Ghi chú thiết kế
Decouple VDD (pins 6 and 28) with a 10 uF bulk + 0.1 uF ceramic pair within 5 mm of the pins. Place a 1 uF ceramic on VCAP (pin 7) for the on-chip core LDO. Hold unused analog inputs at VSS to prevent cross-conduction. According to the Microchip PIC24EP256MC202 datasheet, brown-out reset must be left enabled at the BOR level matching your supply tolerance to avoid partial Flash writes during transient brown-out.
At 70 MIPS continuous operation with all peripherals active, the 28-SOIC package dissipation stays well under 1 W, but in a fully sealed under-hood automotive enclosure the junction-to-ambient thermal resistance (~70 C/W) can still push the die toward 110 C ambient. Provide copper pour on VDD/VSS planes and route thermal vias under the exposed thermal pad area where available. Use the -H grade's +150 C ceiling for derating.
Common pitfalls: (1) forgetting to configure unused comparators to a defined state can add 1-2 mA quiescent; (2) using a 20 MHz crystal with the 4x PLL when the design needs 70 MHz (use 10 MHz base); (3) leaving the ICSP pins PGEC1/PGED1 floating when not using debug (recommend 4.7 k pull-up to avoid spurious resets); (4) failing to clear the ADC channel selection after a sequence scan can yield phantom readings. Always refer to the Microchip errata document for the silicon revision you are using.
Thông tin tuân thủ
AEC-Q100 qualified per Microchip ordering information (automotive -H grade). RoHS compliant per Microchip product page.
