PIC24EP256GP204-I/TL - 16-bit 70 MIPS MCU, 256KB Flash | Microchip
MPN： PIC24EP256GP204-I/TL ✓ 啟用中PIC24EP256GP204-I/TL 概覽
What is a PIC24E microcontroller? The PIC24E family is Microchip's enhanced 16-bit dsPIC/PIC architecture that bridges 8-bit PIC MCUs and 32-bit ARM Cortex devices, offering up to 70 MIPS throughput, DSP-like instruction support, and high-resolution peripherals. PIC24E devices fit within the broader taxonomy: microcontroller -> embedded MCU -> 16-bit MCU -> enhanced 16-bit PIC family, and are commonly used in motor control, power conversion, audio processing, and advanced sensing designs where 8-bit MCUs lack the throughput but full 32-bit parts are over-specified.
Key features include 256 KB Flash, 32 KB SRAM, 70 MIPS core speed, a 10/12-bit ADC with up to 1.1 Msps sampling rate, integrated operational amplifiers, comparators, a Charge Time Measurement Unit (CTMU), and the Peripheral Trigger Generator (PTG) for autonomous peripheral sequencing without CPU intervention. The device supports USB, CAN, SPI, I2C, and UART interfaces, providing flexible connectivity for industrial and consumer applications.
The PIC24EP256GP204 uses Microchip's modified Harvard architecture with a 24-bit instruction word optimized for C compilation, and includes DSP-aware instructions (MAC, ED, EDAC) for signal processing tasks. The PTG hardware block can chain ADC conversions, trigger PWM updates, and orchestrate peripheral handshaking without CPU load, freeing the core for application-level work.
Typical applications include industrial motor control (BLDC/PMSM), solar micro-inverters, LED lighting controllers, medical patient monitors, automotive body and sensor ECUs, and consumer audio DSP. The integrated op-amps and CTMU enable touch and temperature sensing without external components.
When designing with this device, observe the 3.0V-3.6V supply range (typical 3.3V), provide bulk and high-frequency decoupling, and ensure VTLA thermal pad soldering follows IPC-7351 guidelines for reliable assembly.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet - delivering information gain beyond standard product listings.
直接替換替代品，適用於 PIC24EP256GP204-I/TL — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC24EP256GP204-I/TL （相同外形與佔位） — 差異在於 ADC, Package, Core Architecture, Operating Temperature, Comparators.
PIC24EP128GP204T-I/TL
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24EP128GP204-I/TL
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC24EP256GP204-E/TL
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP256GP204-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP256GP504-I/TL
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24EP256GP204T-I/TL
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP256GP204-I/TL 最大額定值與電氣特性
| Core Architecture | PIC24E (16-bit enhanced) |
| CPU Speed | 70 MIPS (60 MHz max clock) |
| Program Flash Memory | 256 KB (85.5K x 24 words) |
| SRAM | 32 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| 封裝 | 44-VTLA (6x6 mm) |
| 安裝類型 | Surface Mount |
| 工作溫度 | -40 C to +85 C (Industrial) |
| ADC | 10/12-bit, up to 1.1 Msps |
| Integrated Op-Amps | Yes |
| Comparators | Yes |
| CTMU | Yes (Charge Time Measurement Unit) |
| PTG | Yes (Peripheral Trigger Generator) |
| Communication Interfaces | USB, CAN, SPI, I2C, UART |
| DSP Instructions | Yes (MAC, ED, EDAC) |
| Instruction Set | 16-bit modified Harvard, 24-bit instruction word |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
PIC24EP256GP204-I/TL 44-vtla (6x6 mm) 腳位配置指南
PIC24EP256GP204-I/TL（44-vtla (6x6 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： PIC24EP256GP204-I/TL.
請參閱 資料表 以查看完整腳位配置。
典型應用
PIC24EP256GP204-I/TL 適用於 6 應用s: BLDC and PMSM Motor Control, Solar Micro-Inverter Power Conversion, Industrial LED Lighting Controllers, Medical Patient Monitoring, Automotive Body and Sensor ECUs, Audio DSP and Consumer Headphone Electronics.
BLDC and PMSM Motor Control
The PIC24EP256GP204-I/TL is well-suited to BLDC and PMSM motor control thanks to its 70 MIPS core, integrated op-amps for current sensing, and PTG hardware for synchronizing ADC samples to PWM edges. Field-oriented control loops execute in under 5 microseconds, leaving headroom for speed PI controllers and fault handling. With 256 KB Flash, designers can implement sensorless FOC, sine-wave commutation, and torque-ripple compensation in firmware without external DSP chips. Typical use cases include appliance motors, drone ESCs, and small industrial drives up to 500W at 24V rails.
推薦
Solar Micro-Inverter Power Conversion
The PIC24EP256GP204-I/TL fits solar micro-inverter designs where 70 MIPS enables MPPT algorithms and grid-synchronization PLL loops in a single MCU. The 256 KB Flash accommodates full C libraries for perturb-and-observe MPPT, anti-islanding protection, and THD optimization. Integrated op-amps condition PV panel voltage/current directly, while the 12-bit ADC at 1.1 Msps samples the inverter output for grid-sync. Its -40C to +85C industrial temperature range handles outdoor PV junction box environments.
推薦
Industrial LED Lighting Controllers
The PIC24EP256GP204-I/TL drives multi-channel LED lighting systems with dimming, color-mixing, and DMX/RDM control. Its 256 KB Flash stores complex lighting effect sequences, the 32 KB SRAM buffers DMX512 frame data, and the CTMU enables capacitive touch dimmers. The integrated op-amps close the loop on constant-current LED drivers, while 70 MIPS enables smooth 16-bit PWM dimming at 20 kHz without flicker. CTMU and 12-bit ADC also support ambient-light sensing for automatic brightness adjustment.
推薦
Medical Patient Monitoring
The PIC24EP256GP204-I/TL suits medical patient monitoring peripherals including pulse oximeters, blood-pressure monitors, and glucose meters. The CTMU measures temperature and capacitive touch for user interfaces, the 12-bit ADC at 1.1 Msps captures photoplethysmogram (PPG) waveforms for SpO2 calculation, and the integrated op-amps condition analog sensor signals. With 256 KB Flash, full CMSIS-style DSP filtering and pulse-detection algorithms fit in firmware, while the -40C to +85C range supports hospital and home-care environments.
推薦
Automotive Body and Sensor ECUs
The PIC24EP256GP204-I/TL powers automotive body controllers, HVAC sensor ECUs, and interior lighting modules where 70 MIPS delivers CAN/LIN stack processing with comfortable margin. The integrated CAN peripheral supports automotive network connectivity, while op-amps interface with analog sensors (temperature, pressure, position). For under-hood or extreme-temperature applications, the PIC24EP256GP204-E/TL variant (extended -40C to +125C) is recommended; the standard -TL operates to +85C, suitable for cabin and body modules.
推薦
Audio DSP and Consumer Headphone Electronics
The PIC24EP256GP204-I/TL executes audio DSP algorithms such as active noise cancellation (ANC), equalization, and bass enhancement with its DSP-aware instructions (MAC, ED, EDAC). The 256 KB Flash stores multi-band EQ presets and ANC coefficients, the 70 MIPS core processes 48 kHz stereo audio with 256-tap FIR filters, and the I2S interface connects directly to audio codecs. CTMU enables touch-sensitive headphone controls. This makes the part ideal for premium headphones, Bluetooth speakers, and USB audio interfaces.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24EP256GP204-I/TL — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC24EP128GP204T-I/TL | PIC24EP128GP204-I/TL | PIC24EP256GP204-E/TL | PIC24EP256GP204-I/PT | dsPIC33EP256GP504-I/TL | PIC24EP256GP204T-I/TL |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-TQFP (10x10 mm) - same pinout, larger PCB | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same |
| Flash Memory | 256 KB | 128 KB (-50%) | 128 KB (-50%) | 256 KB (same) | 256 KB (same) | 256 KB (same) | 256 KB (same) |
| SRAM | 32 KB | 16 KB (-50%) | 16 KB (-50%) | 32 KB (same) | 32 KB (same) | 32 KB (same) | 32 KB (same) |
| Core Speed | 70 MIPS (60 MHz) | 70 MIPS (60 MHz) - same | 70 MIPS (60 MHz) - same | 70 MIPS (60 MHz) - same | 70 MIPS (60 MHz) - same | 70 MIPS (60 MHz) + DSP MAC | 70 MIPS (60 MHz) - same |
| Operating Temperature | -40C to +85C | -40C to +85C - same | -40C to +85C - same | -40C to +125C (extended) | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same |
| DSP Instructions | Yes | Yes | Yes | Yes | Yes | Yes + single-cycle MAC | Yes |
| Integrated Op-Amps | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
主要差異化特點
- PTG hardware block for autonomous peripheral sequencing (對比PIC24EP128GP204-I/TL)
- Single-cycle DSP MAC instructions vs PIC32MX Cortex-M0+ software MAC (對比PIC32MX170F256B)
- Industrial temperature range (-40C to +85C) vs commercial-grade equivalents (對比PIC24EP256GP204T-I/PT)
設計說明
The PIC24EP256GP204-I/TL requires a stable 3.3V supply within 3.0V-3.6V. Place a 10uF X7R bulk ceramic capacitor near the VTLA exposed pad's VDD/VSS pair, plus 0.1uF X7R decoupling within 2mm of each VDD pin. Use Microchip MCP1700-3302E LDO for designs sourcing from a 5V rail; its low 1.6uA quiescent current preserves battery life in portable applications. Estimated: at 70 MIPS full-speed CPU + active ADC + USB, peak VDD current reaches ~50 mA - ensure the LDO provides at least 100 mA headroom.
The 44-VTLA package has an exposed thermal pad (EP) that MUST be soldered to a 5x5 mm copper pour on the PCB top layer for thermal dissipation and electrical grounding. Connect the EP to a low-impedance ground plane via at least 9 thermal vias (0.3mm drill, 0.5mm pad) arranged in a 3x3 grid. Follow IPC-7351 land pattern recommendations and avoid placing signal traces under the EP. Estimated: an unsoldered EP can raise junction temperature by 20-30C at 70 MIPS operation, risking thermal shutdown.
Route the 60 MHz main clock trace with a maximum length of 25 mm and avoid parallel routing near analog signals (ADC inputs, op-amp outputs). Place a ground guard ring around the ADC input pins and route analog ground separately back to the EP. The CTMU output is sensitive to capacitance; keep CTMU traces short (under 10 mm) and isolated from switching signals. For motor control applications, separate the power ground (motor FET return) from analog ground (MCU EP) with a single-point connection near the MCU.
Common design pitfalls with PIC24EP256GP204-I/TL include: (1) omitting the EP solder connection which causes thermal shutdown under load, (2) using the internal FRC oscillator without calibration for USB applications - this violates USB jitter requirements; switch to the 60 MHz crystal with PLL for USB, (3) configuring the PTG without understanding its trigger sequencing - misordered triggers cause peripheral deadlocks. Reference: Microchip AN1078 'Sensorless BLDC Control with PIC24E' and AN1299 'Op-Amp Configuration on PIC24E' for proper setup.
合規資訊
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose -E/TL automotive variant or PIC24EP-Q1 derivatives for AEC-Q100 applications. Lead-free per Microchip datasheet packaging information. Conflict minerals compliance statement available from Microchip upon request.
