PIC24HJ128GP502T-I/SO - 16-bit 40MIPS 128KB Flash MCU | Microchip
부품 번호: PIC24HJ128GP502T-I/SO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.78 | $67.80 |
| 100 | $6.05 | $605.00 |
| 500 | $5.4 | $2,700.00 |
| 1,000 | $4.85 | $4,850.00 |
PIC24HJ128GP502T-I/SO 개요
What is a 16-bit MCU? A 16-bit microcontroller (MCU) is a single-chip computer with a 16-bit data path, register width, and ALU, sitting between 8-bit MCUs (lower cost, simpler control tasks) and 32-bit MCUs (higher performance, more memory). The PIC24H family uses Microchip's enhanced 16-bit modified Harvard architecture with a 24-bit instruction word, placing it in the broader taxonomy: microcontroller -> embedded processor -> semiconductor device. These MCUs target deterministic real-time control where 8-bit devices lack throughput and 32-bit devices over-spend on cost and power.
Key features include a hardware multiplier for single-cycle 16x16 MAC operations, a 16-channel DMA controller, up to 21 I/O pins, four 16-bit timers/counters, and an internal oscillator. The 24-bit instruction path and 16-bit data path allow compact, high-code-density programs while still providing enough headroom for DSP-style signal processing at 40 MIPS. The CAN 2.0B peripheral makes the part attractive for industrial and automotive networks.
Architecturally, the PIC24HJ128GP502 combines a 5-stage pipeline, deterministic interrupt latency, and bit-manipulation instructions. The part is pin-compatible with the dsPIC33F family, enabling code reuse for designs that may migrate to DSP-class signal processing. Code execution reaches 40 MIPS from a 40 MHz FRC or crystal oscillator source, while peripheral flexibility allows flexible timer/capture/PWM configurations.
Typical applications include industrial control systems, sensor signal conditioning, motor control (BLDC/PMSM with external FET drivers), building automation, HVAC controllers, automotive body electronics, and medical instrumentation. The integrated CAN peripheral is especially useful in CAN-enabled sensor clusters and distributed I/O.
Designers should pay close attention to the 3.3 V supply constraint and the need for proper decoupling near the AVDD/AVSS pins to achieve the 12-bit ADC performance. The wide-body SOIC footprint allows easy hand-soldering and rework during prototyping, while the T/R suffix on this variant indicates tape-and-reel packaging for SMT assembly lines.
This page synthesizes real-time distributor stock and pricing, parametric drop-in alternatives drawn from the same PIC24H family and cross-brand equivalents, and practical PCB-layout and ADC design notes that complement the manufacturer datasheet.
드롭인 대체품: PIC24HJ128GP502T-I/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC24HJ128GP502T-I/SO (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Core Architecture, Timers, CPU Speed.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC24HJ128GP502-I/SO
✅ 드롭인✓ 재고 있음
$7.45 / 개
데이터시트 보기 →PIC24HJ128GP202-I/SO
✅ 드롭인✓ 재고 있음
$4.62 / 개
데이터시트 보기 →dsPIC33FJ128GP802-I/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC24HJ128GP202T-I/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC24HJ64GP502-I/SO
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$4.1 / 개
데이터시트 보기 →PIC24HJ64GP502T-I/SO
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
PIC24HJ128GP502T-I/SO 최대 정격 & 전기적 특성
| Core Architecture | PIC24H 16-bit modified Harvard |
| Core Size | 16-bit |
| Instruction Width | 24-bit |
| Maximum CPU Speed | 40 MIPS at 40 MHz |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM | 8 KB |
| 패키지 | 28-pin SOIC wide (0.295 inch / 7.50 mm) |
| 실장 유형 | Surface Mount |
| Operating Supply Voltage (Vdd) | 3.0 V to 3.6 V |
| 동작 온도 범위 | -40 C to +85 C (Industrial) |
| ADC | 10 channels, 10-bit or 12-bit |
| Connectivity | CANbus, I2C, IrDA, LINbus, PMP, SPI, UART |
| Timers | Five 16-bit timers/counters |
| DMA Channels | 8 channels |
| I/O Pins | 21 |
| Oscillator Type | Internal |
| Data Converters | A/D 10x10b/12b |
| Packaging | Tape & Reel (T/R suffix) |
| RoHS 상태 | Compliant |
PIC24HJ128GP502T-I/SO 핀 구성
| 핀 1 | MCLR — Master Clear reset input (active low) |
| 핀 2 | RA0/VREF+/AN0 — GPIO RA0 / ADC VREF+ / analog input AN0 |
| 핀 3 | RA1/VREF-/AN1 — GPIO RA1 / ADC VREF- / analog input AN1 |
| 핀 4 | RB0/PGED1/AN2 — GPIO RB0 / ICSP PGED1 / analog input AN2 |
| 핀 5 | RB1/PGEC1/AN3 — GPIO RB1 / ICSP PGEC1 / analog input AN3 |
| 핀 6 | RB2/AN4 — GPIO RB2 / analog input AN4 |
| 핀 7 | RB3/AN5 — GPIO RB3 / analog input AN5 |
| 핀 8 | VSS — Digital ground |
| 핀 9 | OSC1/RA2 — Crystal oscillator input / GPIO RA2 |
| 핀 10 | OSC2/RA3 — Crystal oscillator output / GPIO RA3 |
| 핀 11 | RA4 — GPIO RA4 |
| 핀 12 | RA5 — GPIO RA5 |
| 핀 13 | RA6 — GPIO RA6 |
| 핀 14 | RB4/AN6 — GPIO RB4 / analog input AN6 |
| 핀 15 | RB5/AN7/PGED3 — GPIO RB5 / analog input AN7 / ICSP PGED3 |
| 핀 16 | RB6/AN8/PGEC3 — GPIO RB6 / analog input AN8 / ICSP PGEC3 |
| 핀 17 | RB7/AN9 — GPIO RB7 / analog input AN9 |
| 핀 18 | RB8/C1RX/AN10 — GPIO RB8 / CAN1 RX / analog input AN10 |
| 핀 19 | VSS — Digital ground |
| 핀 20 | AVDD — Analog supply voltage |
| 핀 21 | AVSS — Analog ground |
| 핀 22 | RB9/C1TX/AN11 — GPIO RB9 / CAN1 TX / analog input AN11 |
| 핀 23 | RB10/AN12 — GPIO RB10 / analog input AN12 |
| 핀 24 | RB11/AN13 — GPIO RB11 / analog input AN13 |
| 핀 25 | RB12/AN14 — GPIO RB12 / analog input AN14 |
| 핀 26 | RB13/AN15 — GPIO RB13 / analog input AN15 |
| 핀 27 | RB14/AN16/OC1 — GPIO RB14 / analog input AN16 / Output Compare 1 |
| 핀 28 | VDD — Digital supply voltage (3.0-3.6 V) |
일반적인 애플리케이션
PIC24HJ128GP502T-I/SO 적합 용도: 6 애플리케이션s: Industrial CAN Node Controller, BLDC / PMSM Motor Control, Building Automation Sensor Hub, Automotive Body Electronics, Medical Patient Monitoring, Portable Data Logger.
Industrial CAN Node Controller
The PIC24HJ128GP502T-I/SO is a natural fit for industrial CAN node controllers because it integrates a CAN 2.0B peripheral alongside 128 KB of Flash and 8 KB of SRAM, giving plenty of headroom for CANopen or DeviceNet protocol stacks. Its 40 MIPS core sustains 1 ms cycle-time processing of 8-16 CAN messages with deterministic latency, while the 10-channel 12-bit ADC samples sensor inputs without external components. Compared with a discrete CAN controller plus 8-bit MCU solution, the PIC24HJ128GP502T-I/SO reduces PCB area by roughly 50 percent and simplifies firmware by handling both protocol and control on a single die. The 28-SOIC wide-body package is easy to rework during field commissioning.
추천
BLDC / PMSM Motor Control
The PIC24HJ128GP502T-I/SO drives low- to mid-power BLDC and PMSM motors when paired with external three-phase gate drivers and FET bridges. The 40 MIPS core executes Field-Oriented Control (FOC) or trapezoidal commutation within the typical 10-20 kHz PWM cycle, while the hardware 16x16 MAC speeds up Park/Clarke transforms. Its five 16-bit timers can be configured as Output Compare PWM channels to drive three-phase inverter timing directly, and the 12-bit ADC samples phase currents at the center of the PWM cycle for accurate measurement. The 3.3 V supply and -40 to +85 C industrial range suit industrial servo and pump drives.
추천
Building Automation Sensor Hub
The PIC24HJ128GP502T-I/SO works well as a building-automation sensor hub aggregating temperature, humidity, CO2, and occupancy sensors onto a BACnet or Modbus network. Its 10-channel 12-bit ADC simultaneously digitizes multiple analog sensors, while I2C and SPI interfaces connect digital sensors and expansion EEPROM. The 8 KB SRAM buffers up to a few hundred sensor frames before forwarding upstream, and the 128 KB Flash stores BACnet stack plus application firmware. The wide-body 28-SOIC package is well suited to hand-soldered HVAC controller boards in low-volume production.
추천
Automotive Body Electronics
The PIC24HJ128GP502T-I/SO is used in automotive body electronics such as HVAC control panels, seat controllers, mirror adjusters, and lighting modules where moderate compute and CAN/LIN networking are required. The integrated CAN 2.0B and LIN peripherals allow it to bridge body-domain networks without an external transceiver MCU. Its 128 KB Flash holds both the AUTOSAR-friendly application layer and the network management software, while the 10-channel ADC reads potentiometers and thermistors. Note that the I temperature grade covers -40 C to +85 C, so for underhood or harsher zones migrate to AEC-Q100 qualified variants.
추천
Medical Patient Monitoring
The PIC24HJ128GP502T-I/SO is a candidate for low-power medical patient monitoring peripherals such as pulse oximeter front-ends, infusion pump keypads, and portable ECG leads-off detectors. The 12-bit ADC with 500 ksps throughput digitizes photoplethysmography (PPG) and impedance measurement signals at clinical-grade resolution, while the 8 KB SRAM buffers waveform samples between display updates. The 128 KB Flash supports an RTOS plus Bluetooth Low Energy stack via SPI to an external module. Designers should validate IEC 60601-1 and FDA cyber-security requirements separately, as the MCU alone is not a medical-grade certified subsystem.
추천
Portable Data Logger
The PIC24HJ128GP502T-I/SO supports portable data-logger designs for industrial and environmental monitoring where battery life, deterministic sampling, and removable SD-card storage matter. Its 8 KB SRAM acts as a ring buffer for up to 4000 12-bit ADC samples, while the 128 KB Flash stores configuration, calibration tables, and a small FAT file system module. SPI connects to an external SD card or serial Flash, and UART outputs debug logs to a host PC. The wide 3.0-3.6 V supply tolerates Li-ion battery voltage swings when paired with a low-dropout regulator such as the MCP1700.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC24HJ128GP502T-I/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC24HJ128GP502-I/SO | PIC24HJ128GP202-I/SO | dsPIC33FJ128GP802-I/SO | PIC24HJ128GP202T-I/SO | PIC24HJ64GP502-I/SO | PIC24HJ64GP502T-I/SO |
|---|---|---|---|---|---|---|---|
| Package | 28-SOIC (0.295 inch / 7.50 mm) | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) | 28-SOIC (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB | 128 KB | 64 KB | 128 KB | 64 KB | 64 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 40 MIPS / 40 MHz | 40 MIPS | 40 MIPS | 50 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| ADC | 10-ch 10/12-bit | 10-ch 10/12-bit | 10-ch 10/12-bit | 10-ch 10/12-bit | 10-ch 10/12-bit | 10-ch 10/12-bit | 10-ch 10/12-bit |
| CAN Peripheral | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) |
| DSP Engine | No | No | No | Yes (DSP) | No | No | No |
| Operating Voltage | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V |
| Operating Temperature | -40 to +85 C (I grade) | -40 to +85 C | -40 to +85 C | -40 to +85 C | -40 to +85 C | -40 to +85 C | -40 to +85 C |
주요 차별점
- 128 KB Flash at 40 MIPS in 28-SOIC wide-body with integrated CAN 2.0B (vs PIC24FJ64GA002-I/SO)
- Tape-and-reel carrier format for SMT assembly (vs PIC24HJ128GP502-I/SO)
- Pin-compatible with dsPIC33F DSP variants for upgrade path (vs dsPIC33FJ128GP802-I/SO)
설계 노트
Place a 10 uF bulk ceramic plus a 0.1 uF decoupling capacitor within 5 mm of the VDD pin, and a separate 10 uF + 0.1 uF pair on AVDD. Use a ferrite bead between VDD and AVDD to isolate the analog supply from digital switching noise; this typically improves 12-bit ADC SNR by 3-4 dB. Avoid routing high-frequency signals (SPI clock, PWM) directly over the AVDD trace. According to Microchip application note AN1317, an inadequate AVDD decoupling network is the leading cause of degraded ADC performance on PIC24H designs.
The 28-SOIC wide-body (0.295 inch) footprint requires a 7.50 mm body width with 1.27 mm pitch pads extending at least 0.5 mm beyond the package body for hand-soldering. Route the ICSP pair (PGED1/PGEC1 on RB0/RB1, or PGED3/PGEC3 on RB5/RB6) to a 0.1 inch header for in-circuit programming. Keep the OSC1/OSC2 traces short and symmetric; route them over a continuous ground plane for best EMI immunity. Use a 4-layer PCB with a dedicated ground plane beneath the MCU if the design includes CAN or high-speed SPI.
Do not apply 5 V to any I/O pin; the PIC24HJ128GP502T-I/SO is a 3.3 V part and over-voltage will permanently damage the ESD diodes. Always configure unused I/O pins as outputs driven low, not as inputs floating; floating inputs can draw several hundred microamps and inject noise. When using the internal FRC oscillator, calibrate the OSCTUN register at production to compensate for crystal-to-crystal frequency variation; this matters for UART baud-rate accuracy above 115200 bps. Finally, when migrating from PIC24HJ128GP502 to PIC24HJ128GP202 silicon, ensure your linker script reserves less than 64 KB or the firmware will silently overflow Flash.
규정 준수 정보
RoHS and REACH compliance per Microchip product page. The I temperature grade is industrial -40 C to +85 C but is NOT AEC-Q100 qualified; for automotive applications requiring AEC-Q100, use the dsPIC33F automotive variants. Halogen-free status not stated in retrieved web data - set to unknown.
