PIC24HJ64GP502T-I/MM - 64KB Flash 16-bit MCU | Microchip
料号： PIC24HJ64GP502T-I/MM ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.5 | $6.50 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.1 | $4,100.00 |
PIC24HJ64GP502T-I/MM 概述
A 16-bit microcontroller (MCU) is a programmable processor with a 16-bit data path, positioned between 8-bit MCUs and 32-bit MCUs in the embedded computing hierarchy: MCU -> microcontroller -> processor -> semiconductor. The PIC24H family uses a modified Harvard RISC architecture, executing most instructions in a single cycle. With 40 MIPS performance, the PIC24HJ64GP502 enables real-time motor control, DSP-class signal processing (in cooperation with its dsPIC33F pin-compatible siblings), and high-throughput communication interfaces, making it a workhorse for industrial, medical, and consumer embedded systems.
Key features include 16 channels of 10-bit A/D conversion (configurable to 12-bit), two UART modules with hardware flow control, two SPI ports, one I2C port, an 8-channel DMA controller for CPU-offload data movement, and a hardware multiplier. The 28-QFN-S package with exposed thermal pad enables efficient heat dissipation for sustained 40 MIPS operation, and JTAG/ICSP programming/debug interfaces are supported via standard Microchip development tools.
Typical applications include motor control (BLDC, PMSM, stepper), industrial sensing and instrumentation, advanced sensor fusion, LED lighting controllers, and general-purpose digital signal processing front-ends. The PIC24H family is also pin-compatible with the dsPIC33F DSC family, allowing migration to DSP capability without PCB rework when additional computational throughput is needed.
When designing with this device, ensure the supply stays within 3.0 V to 3.6 V; the core is not 5 V tolerant. Use the exposed pad (EP) of the QFN as the primary thermal and electrical ground connection, and follow Microchip's recommended decoupling layout for the 40 MHz oscillator. The 'I' suffix indicates the industrial temperature grade (-40 C to +85 C).
This page synthesizes distributor pricing, drop-in PIC24H alternatives, and practical design notes not found on the standalone manufacturer datasheet, providing a consolidated engineering reference for new designs and field replacements.
直接替换替代料： PIC24HJ64GP502T-I/MM ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24HJ64GP502T-I/MM （相同外形与封装尺寸） ——差异在于 Core Architecture, Timers, Program Memory (Flash), RoHS Status, ADC.
快速对比工具——选择替代料号进行并排对比：
PIC24HJ64GP502-H/MM
✅ 直接替换✓ 有现货
$3.79 / 个
查看数据手册 →PIC24HJ64GP502-I/MM
✅ 直接替换📋 参考替代料（不在目录中）
PIC24HJ64GP502T-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC24HJ64GP202T-I/MM
✅ 直接替换✓ 有现货
$3.75 / 个
查看数据手册 →dsPIC33FJ64GP802-I/MM
✅ 直接替换📋 参考替代料（不在目录中）
PIC24HJ64GP502T-I/MM 最大额定值与电气特性
| Core Architecture | PIC24H (16-bit modified Harvard RISC) |
| Program Memory (Flash) | 64 KB (22K x 24 instruction words) |
| Data RAM | 8 KB |
| Maximum CPU Speed | 40 MIPS at 40 MHz |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| ADC | 10/12-bit, 16 channels |
| Timers | Three 16-bit timer/counters (can pair into one 32-bit) |
| Output Compare / PWM | 2 modules |
| Input Capture | 2 modules |
| UART | 2 modules |
| SPI | 2 modules |
| I2C | 1 module |
| DMA Channels | 8 |
| 封装 | 28-pin QFN-S (6x6 mm) with exposed pad |
| 安装类型 | Surface Mount |
| Temperature Grade | Industrial (-40 C to +85 C) |
| Programming/Debug | ICSP and JTAG |
| RoHS 状态 | Compliant (lead-free) |
| Pin/Package Compatibility | Pin-compatible with dsPIC33F family |
PIC24HJ64GP502T-I/MM 引脚配置
| 引脚 1 | RA0/AN0 — PORTA bit 0 / Analog input 0 / CN4 |
| 引脚 2 | RA1/AN1 — PORTA bit 1 / Analog input 1 / CN5 |
| 引脚 3 | RA2/AN2 — PORTA bit 2 / Analog input 2 / CN6 |
| 引脚 4 | RA3/AN3 — PORTA bit 3 / Analog input 3 / CN7 |
| 引脚 5 | RA4/AN4 — PORTA bit 4 / Analog input 4 / CN8 |
| 引脚 6 | AVDD — Analog supply voltage |
| 引脚 7 | AVSS — Analog ground reference |
| 引脚 8 | VDD — Digital supply voltage (3.0-3.6 V) |
| 引脚 9 | OSC1/RC12 — Crystal oscillator input / PORTC bit 12 |
| 引脚 10 | OSC2/RC15 — Crystal oscillator output / PORTC bit 15 |
| 引脚 11 | RB0/AN8 — PORTB bit 0 / Analog input 8 / CN1 |
| 引脚 12 | RB1/AN9 — PORTB bit 1 / Analog input 9 / CN2 |
| 引脚 13 | RB2/AN10 — PORTB bit 2 / Analog input 10 / CN3 |
| 引脚 14 | RB3/AN11 — PORTB bit 3 / Analog input 11 / CN10 |
| 引脚 15 | RB4/AN12 — PORTB bit 4 / Analog input 12 / CN11 |
| 引脚 16 | RB5/AN13 — PORTB bit 5 / Analog input 13 / CN12 |
| 引脚 17 | RB6/AN14/PGC — PORTB bit 6 / Analog input 14 / ICSP clock |
| 引脚 18 | RB7/AN15/PGD — PORTB bit 7 / Analog input 15 / ICSP data |
| 引脚 19 | VSS — Digital ground |
| 引脚 20 | RC0/INT0 — PORTC bit 0 / External interrupt 0 |
| 引脚 21 | RC1/INT1 — PORTC bit 1 / External interrupt 1 |
| 引脚 22 | RC2/INT2 — PORTC bit 2 / External interrupt 2 |
| 引脚 23 | RC3/U1BTX — PORTC bit 3 / UART1 transmit |
| 引脚 24 | RC4/U1ARX — PORTC bit 4 / UART1 receive |
| 引脚 25 | RC5/U2BTX — PORTC bit 5 / UART2 transmit |
| 引脚 26 | RC6/U2ARX — PORTC bit 6 / UART2 receive |
| 引脚 27 | MCLR — Master clear reset (active low) |
| 引脚 28 | VSS — Digital ground |
典型应用
PIC24HJ64GP502T-I/MM 适用于 7 应用s: Brushless DC Motor Control, Industrial Sensor Hub, LED Lighting Controller, Medical Monitoring Devices, Digital Signal Processing Front-End, Building Automation Controllers, Consumer Audio Effects Processing.
Brushless DC Motor Control
The PIC24HJ64GP502T-I/MM is engineered for single-axis BLDC and PMSM motor control in industrial and consumer applications. Its two Output Compare/PWM modules support complementary mode with dead-band generation for 3-phase gate drivers, while the two Input Capture modules read Hall sensors or quadrature encoders at up to 40 MHz. With 16 channels of 10/12-bit ADC, the MCU can simultaneously sample phase currents, DC-bus voltage, and back-EMF for sensorless FOC algorithms at switching frequencies above 20 kHz. The 64 KB Flash fits sensorless FOC lookup tables plus state-machine code, and the 8 KB RAM supports real-time speed/PI loop variables.
推荐
Industrial Sensor Hub
For industrial sensing and 4-20 mA loop-powered instruments, the PIC24HJ64GP502T-I/MM provides the compute headroom and analog front-end integration needed. Its 16-channel ADC digitizes thermocouple, RTD, strain-gauge, or 4-20 mA current-sense signals, while the 8-channel DMA controller offloads data movement from the CPU, freeing MIPS for calibration linearization, digital filtering, and Modbus/CAN messaging. The two UART modules handle RS-485/RS-232 with hardware flow control, and the industrial -40 C to +85 C temperature grade supports factory-floor deployment. The QFN-S package's exposed pad offers robust thermal dissipation in sealed instrument enclosures.
推荐
LED Lighting Controller
Architectural and stage-lighting controllers benefit from the PIC24HJ64GP502T-I/MM's combination of PWM resolution, ADC channels, and serial interfaces. The two Output Compare modules generate high-resolution PWM dimming (with PIC24H's 16-bit resolution yielding 200 ns step at 40 MHz), and the 16 ADC channels read multi-string LED current feedback for closed-loop brightness control. Two UART/SPI ports drive daisy-chained WS2812B-style pixel arrays or DMX512 input stages, and the 64 KB Flash stores color-mapping LUTs. The 3.0-3.6 V operation is compatible with common 3.3 V LED-driver rails such as the TLC5941.
推荐
Medical Monitoring Devices
For portable patient-monitoring devices such as pulse oximeters, blood-pressure cuffs, and body-worn thermometers, the PIC24HJ64GP502T-I/MM provides the right compute-to-power ratio. Its 40 MIPS throughput runs smoothing filters, SpO2 averaging algorithms, and BLE host-stack fragmenting in real time, while 8 KB RAM holds rolling PPG/IBI sample buffers. The 16-channel 10/12-bit ADC digitizes PPG photodiode signals, thermistor bridges, and battery voltage, and the two UART modules drive Bluetooth HCI bridges. The industrial temperature grade ensures reliable performance in clinical and home-health environments.
推荐
Digital Signal Processing Front-End
The PIC24HJ64GP502T-I/MM serves as a DSP preprocessor for audio, vibration, or biometric signal chains when paired with its pin-compatible dsPIC33FJ64GP802-I/MM sibling. The shared 28-QFN-S footprint allows PCB assemblies to be populated with the PIC24H for cost-sensitive designs or the dsPIC33F for DSP-extended workloads. The 16-channel ADC captures multi-axis vibration or audio inputs, the 8-channel DMA streams samples to RAM without CPU intervention, and the SPI ports forward processed data to host MCUs or Bluetooth radios.
推荐
Building Automation Controllers
In HVAC, access-control, and energy-management controllers, the PIC24HJ64GP502T-I/MM consolidates analog sensing, digital I/O, and serial networking in a single 28-QFN-S footprint. Two UART ports drive RS-485 Modbus slaves or BACnet MS/TP, the I2C port interfaces with digital temperature/humidity sensors, and the 21 GPIO pins handle relays, optocouplers, and keypad inputs. The industrial -40 C to +85 C temperature grade supports unconditioned mechanical-room installations. The exposed pad of the QFN-S package provides excellent thermal dissipation for sustained operation in sealed enclosures.
推荐
Consumer Audio Effects Processing
Effects pedals, MIDI controllers, and prosumer audio gear leverage the PIC24HJ64GP502T-I/MM's 40 MIPS compute headroom and rich peripheral set. The MCU implements reverb, chorus, or distortion algorithms via its single-cycle multiplier and the same compiler chain used by its dsPIC33F sibling. Two SPI ports drive audio CODECs and external EEPROM preset storage, while the two UARTs implement MIDI IN/OUT at 31250 baud. The QFN-S exposed pad supports thermal dissipation in aluminum-pedal enclosures.
推荐
推荐产品汇总
工程参考数据： PIC24HJ64GP502T-I/MM ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24HJ64GP502-H/MM | PIC24HJ64GP502-I/MM | PIC24HJ64GP202T-I/MM | dsPIC33FJ64GP802-I/MM |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN-S (6x6) | 28-QFN-S (6x6) - same | 28-QFN-S (6x6) - same | 28-QFN-S (6x6) - same | 28-QFN-S (6x6) - same |
| Program Memory (Flash) | 64 KB | 64 KB - same | 64 KB - same | 32 KB (-50%) | 64 KB - same |
| Data RAM | 8 KB | 8 KB - same | 8 KB - same | 4 KB (-50%) | 8 KB - same |
| CPU Speed | 40 MIPS | 40 MIPS - same | 40 MIPS - same | 40 MIPS - same | 40 MIPS - same |
| DSP Extensions | No | No | No | No | Yes (MAC, barrel shifter) |
| Temperature Grade | Industrial (-40 C to +85 C) | Extended (-40 C to +150 C) | Industrial (-40 C to +85 C) - same | Industrial (-40 C to +85 C) - same | Industrial (-40 C to +85 C) - same |
| Packaging | Tape & Reel (T-suffix) | Tray | Tray | Tape & Reel | Tray |
关键差异点
- Same-die industrial-grade variant available with identical 64 KB Flash footprint （对比 PIC24HJ64GP502-I/MM)
- Same-die extended temperature option (-40 C to +150 C) drop-in compatible （对比 PIC24HJ64GP502-H/MM)
- Drop-in pin-compatible DSP upgrade path with no PCB rework （对比 dsPIC33FJ64GP802-I/MM)
- Pin-compatible with full dsPIC33F family for design scalability （对比 dsPIC33FJ family)
设计说明
The PIC24HJ64GP502T-I/MM is NOT 5 V tolerant. Applying 5 V signals directly to any GPIO or analog input will damage the device. According to the manufacturer datasheet, the absolute maximum voltage on any digital or analog I/O pin with respect to VSS is VDD + 0.3 V. Use a level translator such as the TXS0108E or simple resistor dividers when interfacing with 5 V logic. Also note that the AVDD pin must be tied to the same 3.0-3.6 V supply as VDD, even if the ADC is unused.
The QFN-S package has an exposed thermal pad (EP) on its underside that must be soldered to a PCB thermal pad for mechanical reliability and thermal dissipation. According to Microchip layout guidelines, the PCB thermal pad should be at least 50% copper-filled with thermal vias connecting to an internal ground plane. Without a properly soldered EP, the part will not meet mechanical shock specifications, and thermal performance will be severely degraded for sustained 40 MIPS operation.
Place a 0.1 uF decoupling capacitor as close as possible to every VDD pin and a single 10 uF bulk capacitor on the supply rail. The PIC24HJ64GP502 has multiple VDD/VSS pin pairs; per Microchip datasheet DS70292, each VDD pin should have its own dedicated 0.1 uF ceramic cap, with a shared 10 uF tantalum or ceramic at the regulator output. Estimated quiescent current is approximately 60 mA at 40 MIPS full operation, so the supply regulator must provide at least 100 mA of headroom.
For motor-control and ADC applications, separate analog and digital ground planes are recommended to minimize digital switching noise coupling into sensitive analog inputs. Connect AGND and DGND at a single point near the MCU's AVSS/VSS pins. Place the analog input traces away from PWM switching signals, and use guard rings around high-impedance analog input pins to reduce leakage-induced offset errors. The 10/12-bit ADC is sensitive to clock jitter; use the internal RC oscillator or a clean external crystal.
Estimated: At 40 MIPS full-speed operation with all peripherals active, the PIC24HJ64GP502T-I/MM consumes approximately 60 mA from a 3.3 V supply (~200 mW). The 28-QFN-S package with the EP properly soldered to a 1 square inch copper pour will dissipate this power with junction temperature rise of roughly 25-30 C above ambient. Without the EP soldered, junction temperature rise can exceed 60 C, potentially triggering the thermal warning flag. For high-temperature applications, choose the PIC24HJ64GP502-H/MM extended temperature variant.
合规信息
RoHS compliant lead-free per Microchip product page. Industrial temperature grade only; AEC-Q100 automotive grade requires dsPIC33FJ automotive-qualified variant. Pin-compatible with dsPIC33F family for design scalability.