PIC24EP256MC206T-I/MR - 70 MIPS 256KB Flash 16-bit MCU | Microchip
MPN： PIC24EP256MC206T-I/MR ✓ 啟用中PIC24EP256MC206T-I/MR 概覽
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals on one die. The PIC24EP256MC206T sits in the 16-bit MCU class - more capable than 8-bit MCUs such as the PIC18, but lower cost and easier to use than 32-bit Cortex-M devices. Within Microchip's taxonomy it is a PIC24EP sub-family 'Motor Control' (MC) variant, a superset of the PIC24E general-purpose MCU family optimized for high-performance motor control with DSP acceleration.
Key features include a 70 MIPS CPU at 70 MHz core clock, dual 12-bit ADC modules (one 10/12-bit selectable, plus dedicated 12-bit ADC), 6-channel PWM output with complementary outputs and dead-time control, quadrature encoder interface (QEI), op-amps and analog comparators integrated for current sensing, 32 KB RAM, and a 16-bit CRC peripheral. The 64-pin QFN (9x9 mm) exposed-pad package provides low thermal resistance suitable for high-temperature motor-drive environments.
Typical applications include field-oriented control (FOC) of PMSM/BLDC motors, sensorless and sensored BLDC drives, industrial servo control, and high-performance HVAC compressors. The wide operating temperature range of -40C to +85C (industrial 'I' grade) and integrated op-amps reduce external BOM. Designed into consumer and industrial motor-control systems where deterministic control loops and PWM resolution matter most.
When designing with this device, plan PCB layout carefully - the 64-pin QFN requires an exposed-pad thermal pad for heat spreading. Use Microchip's MPLAB X IDE and the dsPIC33/PIC24 Motor Control Library for sensorless FOC firmware reference. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 PIC24EP256MC206T-I/MR — 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： PIC24EP256MC206T-I/MR （相同外形與佔位） — 差異在於 Package, ADC, Operating Temperature, Core, PWM Channels.
PIC24EP256MC206-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP256MC206-E/MR
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24EP256MC206T-E/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP128MC206T-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP256MC206-I/PT
✅ 直接替換聯絡詢價
查看資料表 →DSPIC33EP256MC206T-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP256MC206T-I/MR 最大額定值與電氣特性
| Core Processor | PIC |
| Core Architecture | 16-bit modified RISC, DSP-enhanced |
| Family | PIC24EP (Motor Control / MC variant) |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| RAM | 32 KB |
| Operating Frequency | 70 MIPS @ 70 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V (typ. 3.3 V) |
| 工作溫度 | -40C to +85C (industrial, 'I' grade) |
| 封裝 | 64-pin QFN (9x9 mm) with exposed pad |
| 安裝類型 | Surface Mount |
| ADC | Dual 12-bit ADC modules |
| PWM Channels | 6-channel with complementary outputs and dead-time control |
| Quadrature Encoder Interface | Yes (QEI) |
| Integrated Op-Amps | Yes (for current sensing) |
| Comparators | Yes (analog comparators on chip) |
| CRC | 16-bit cyclic redundancy check peripheral |
| RoHS 狀態 | Compliant |
| Packaging Type | Tape & Reel (T suffix) |
PIC24EP256MC206T-I/MR 64-pin qfn (9x9 mm) with exposed pad 腳位配置指南
PIC24EP256MC206T-I/MR（64-pin qfn (9x9 mm) with exposed pad 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： PIC24EP256MC206T-I/MR.
請參閱 資料表 以查看完整腳位配置。
典型應用
PIC24EP256MC206T-I/MR 適用於 6 應用s: BLDC / PMSM Motor Control (FOC), Industrial Servo Drives, HVAC Compressor Drives, Robotic Actuator Controllers, E-Bike / E-Scooter Motor Controllers, Power Tools (Drills, Saws, Lawn Equipment).
BLDC / PMSM Motor Control (FOC)
The PIC24EP256MC206T-I/MR is purpose-built for field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors. The 70 MIPS CPU executes a complete FOC loop in under 20 us, while the integrated 6-channel PWM with dead-time control drives the three-phase inverter with complementary outputs. The on-chip 12-bit ADC and integrated op-amps enable single-shunt or dual-shunt current sensing with minimal external components. The 256 KB Flash accommodates sensorless FOC state machines plus CAN/Modbus stacks. Source: Microchip AN1078 sensorless FOC application note.
推薦
Industrial Servo Drives
In industrial servo drive applications, the PIC24EP256MC206T-I/MR provides precise current and position loop control. The quadrature encoder interface (QEI) reads incremental encoders up to several MHz, while the 70 MIPS CPU runs dual-loop control (current loop at 20 kHz, position loop at 4 kHz) with deterministic timing. The 32 KB RAM holds filter coefficients and look-up tables for sine/cosine generation. Industrial-grade -40C to +85C operation suits factory-floor environments. Drop-in compatibility with PIC24EP256MC206-E/MR supports upgrades to automotive-grade hardening.
推薦
HVAC Compressor Drives
Variable-speed HVAC compressors using the PIC24EP256MC206T-I/MR benefit from its integrated op-amps and analog comparators for current sensing without external analog front-ends. The 6-channel PWM with dead-time control simplifies three-phase inverter design. Sensorless FOC algorithms from Microchip's Motor Control Library handle compressor back-EMF estimation. The 256 KB Flash stores advanced control algorithms (torque ripple reduction, power factor correction). Industrial temperature range suits compressor bay installations with ambient temperatures up to 85C.
推薦
Robotic Actuator Controllers
Robotic joint actuators leverage the PIC24EP256MC206T-I/MR's high PWM resolution and QEI interface for precise position control of brushless servo motors. The 70 MIPS CPU runs trajectory interpolation, while the on-chip op-amps interface to Hall sensors or external current shunts. Dual 12-bit ADC modules sample multiple feedback signals simultaneously. The compact 9x9 mm QFN package fits inside integrated joint modules. Pin-compatible PIC24EP128MC206 variants enable cost-down for lower-complexity actuators.
推薦
E-Bike / E-Scooter Motor Controllers
Battery-powered e-mobility controllers use the PIC24EP256MC206T-I/MR for its low-power 3.3 V operation and integrated analog peripherals. The on-chip op-amps interface to low-side shunt resistors for current sensing, while the 6-channel PWM drives the three-phase motor MOSFETs. The 256 KB Flash stores torque maps, battery management curves, and pedal-assist algorithms. Industrial temperature rating handles outdoor operating conditions, and the QFN exposed pad provides reliable thermal performance in fanless enclosures.
推薦
Power Tools (Drills, Saws, Lawn Equipment)
Cordless power tools use the PIC24EP256MC206T-I/MR for brushless motor control with electronic speed control, soft-start, and overload protection. The on-chip op-amps and comparators monitor motor current for stall detection and thermal foldback. The 70 MIPS CPU executes torque control loops while the 6-channel PWM provides smooth variable-speed operation. The 64-pin QFN with exposed pad supports high-temperature operation under sustained heavy loads. AEC-Q100 grade variants available for harsh outdoor environments.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24EP256MC206T-I/MR — 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 | PIC24EP256MC206-I/MR | PIC24EP256MC206-E/MR | PIC24EP128MC206T-I/MR | dsPIC33EP256MC206T-I/MR |
|---|---|---|---|---|---|
| Package | 64-pin QFN (9x9 mm) with exposed pad | 64-pin QFN (9x9 mm) with exposed pad | 64-pin QFN (9x9 mm) with exposed pad | 64-pin QFN (9x9 mm) with exposed pad | 64-pin QFN (9x9 mm) with exposed pad |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| CPU Speed | 70 MIPS @ 70 MHz | 70 MIPS @ 70 MHz | 70 MIPS @ 70 MHz | 70 MIPS @ 70 MHz | 70 MIPS @ 70 MHz (DSP) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +125C (automotive AEC-Q100) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| AEC-Q100 Qualified | No | No | Yes | No | No |
| Packaging Format | Tape & Reel (T suffix) | Tray (no T) | Tray (no T) | Tape & Reel (T suffix) | Tape & Reel (T suffix) |
主要差異化特點
- Tape & reel packaging for production pick-and-place (對比PIC24EP256MC206-I/MR)
- Industrial temperature grade (-40C to +85C) (對比PIC24EP256MC206-E/MR)
- 256 KB Flash accommodates large motor control firmware (對比PIC24EP128MC206T-I/MR)
- PIC24EP standard variant without DSP extensions (對比dsPIC33EP256MC206T-I/MR)
設計說明
The 64-pin QFN package uses a center exposed pad that MUST be soldered to a ground plane with thermal vias (typically 5x5 array of 0.3 mm vias) for proper heat dissipation. At 70 MIPS with all peripherals active, the MCU can dissipate up to 0.5 W. Use a copper pour of at least 25x25 mm under the IC to keep junction temperature within the 85C industrial limit during continuous motor-control operation.
Place the 0.1 uF and 10 uF decoupling capacitors as close as possible to the VDD/VSS pins of the PIC24EP256MC206T-I/MR. The analog VDD (AVDD) and AVSS pins also require 0.1 uF + 10 uF decoupling. For ADC accuracy in motor current sensing, separate the analog ground plane from the digital ground plane, connecting them at a single point near the MCU. Reference: Microchip AN1256 PCB layout guidelines.
Do not apply PWM to the timer inputs without first configuring the Peripheral Pin Select (PPS) - the PIC24EP256MC206T-I/MR uses PPS mapping to route digital signals to physical pins. Verify in code that the PPS unlock sequence (built-in sequence 'PPS UNLOCK') is executed before configuring PPS registers, otherwise PPS assignments are silently ignored, leading to non-functional PWM or QEI signals.
When routing the 70 MHz clock input (OSC1/OSC2 or HSPLL with external crystal), keep traces short and surround with ground guard traces to minimize EMI. The PLL output requires a clean 3.3 V supply; place a ferrite bead and 10 uF + 0.1 uF decoupling at the VDD pin closest to the clock circuitry. PWM traces to the gate driver should be impedance-controlled and routed away from analog feedback signals.
合規資訊
RoHS compliant per Microchip product page. AEC-Q100 NOT qualified in this 'I' industrial grade - use 'E' grade variant for automotive.
