PIC24EP64MC204T-I/PT - 16-bit 70 MIPS 64KB Flash MCU | Microchip
料号： PIC24EP64MC204T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.84 | $6.84 |
| 10 | $6.19 | $61.90 |
| 100 | $5.48 | $548.00 |
| 500 | $4.86 | $2,430.00 |
| 1,000 | $4.31 | $4,310.00 |
PIC24EP64MC204T-I/PT 概述
A microcontroller (MCU) is a single-chip computer that combines a CPU core, volatile and non-volatile memory, digital I/O and a rich set of analog and communication peripherals on one die. The PIC24E family extends this concept with a 16-bit modified-Harvard core, DSP engine, and dedicated peripherals targeting power conversion and motor control. Within the broader semiconductor taxonomy, an MCU belongs to microcontrollers > integrated circuits > semiconductors, sitting between 8-bit MCUs (PIC10/12/18) and 32-bit Cortex-M devices in capability and complexity.
Key features of the PIC24EP64MC204T-I/PT include 70 MIPS operation at 60 MHz CPU clock, 8KB SRAM, a 12-bit ADC (up to 1.1 Msps per the device family), 3 op-amps with programmable gain, 4 high-speed comparators with DAC references, and a Peripheral Trigger Generator (PTG) for hardware-event sequencing. The device operates from a 3.0 V to 3.6 V supply with on-chip voltage regulation, and is offered in the industrial -40 °C to +85 °C temperature range.
The architecture centers on a 16-bit DSP-enhanced CPU with single-cycle multiply and hardware divide, supported by a 7-channel DMA controller that offloads peripheral transactions. The integrated op-amps and comparators close the current-sense feedback path inside the chip, eliminating external analog front-ends for field-oriented control (FOC) of PMSM/BLDC motors, while the PTG synchronizes ADC sampling with PWM edges for deterministic control loops.
Typical applications include sensorless and sensored BLDC/PMSM motor drives, field-oriented control inverters, ceiling-fan and pump controllers, RC servo drives, and digital power-conversion stages. Its combination of analog integration and DSP throughput makes it well suited for compact, energy-efficient motor control.
When designing with this device, allocate the 44-pin TQFP footprint with sufficient ground copper under the exposed thermal pad and route the analog op-amp inputs as short differential pairs. For FOC, configure the PTG to trigger ADC sampling aligned with the PWM center, and use the QEI inputs to capture rotor position with the dedicated filter pins.
This page synthesizes distributor pricing, drop-in alternatives within the same TQFP-44 package, and practical design notes that complement the manufacturer datasheet.
直接替换替代料： PIC24EP64MC204T-I/PT ——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： PIC24EP64MC204T-I/PT （相同外形与封装尺寸） ——差异在于 ADC, Core, Operating Temperature, Package, Analog Comparators.
快速对比工具——选择替代料号进行并排对比：
PIC24EP64MC204-I/PT
✅ 直接替换✓ 有现货
$2.52 / 个
查看数据手册 →PIC24EP128MC204T-I/PT
✅ 直接替换✓ 有现货
$3.58 / 个
查看数据手册 →PIC24EP256MC204T-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC24EP512MC204T-I/PT
✅ 直接替换✓ 有现货
$5.66 / 个
查看数据手册 →PIC24EP64MC204T-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC24EP64MC204T-I/PT 最大额定值与电气特性
| Core | PIC24E 16-bit DSC |
| CPU Performance | 70 MIPS |
| CPU Clock Speed | 60 MHz |
| Program Memory | 64 KB (22K x 24) Flash |
| Data Memory (RAM) | 8 KB |
| 电源电压 | 3.0 V to 3.6 V |
| I/O Pins | 35 |
| 工作温度 | -40 °C to +85 °C (Industrial, 'I') |
| 封装 | 44-pin TQFP (PT) 10x10 mm |
| ADC | 10/12-bit, 1.1 Msps |
| Op-Amps | 3 integrated |
| Comparators | 4 with DAC references |
| PWM Channels | Motor Control PWM (MCPWM) |
| QEI | 1 Quadrature Encoder Interface |
| DMA Channels | 7 |
| PTG | Peripheral Trigger Generator |
| RoHS 状态 | Compliant |
PIC24EP64MC204T-I/PT 引脚配置
| 引脚 1 | RP29/CMP4B/RB15 — Remappable I/O / Comparator 4 input B |
| 引脚 2 | RP30/PWM2L/CMP4A/RB14 — Remappable I/O / PWM2L / Comparator 4 input A |
| 引脚 3 | RP31/PWM2H/CMP3B/RB13 — Remappable I/O / PWM2H / Comparator 3 input B |
| 引脚 4 | RP32/PWM1L/RB12 — Remappable I/O / PWM1L |
| 引脚 5 | RP33/PWM1H/CMP3A/RB11 — Remappable I/O / PWM1H / Comparator 3 input A |
| 引脚 6 | RP34/CMP2B/RB10 — Remappable I/O / Comparator 2 input B |
| 引脚 7 | RP35/CMP2A/RB9 — Remappable I/O / Comparator 2 input A |
| 引脚 8 | RP36/CMP1B/RB8 — Remappable I/O / Comparator 1 input B |
| 引脚 9 | RP37/CMP1A/RB7 — Remappable I/O / Comparator 1 input A |
| 引脚 10 | MCLR — Master Clear (reset) input, active-low |
| 引脚 11 | PGEC1/RP38/AN6/OCMP3/RB6 — ICSP clock / Remappable I/O / Analog input 6 / Comparator 3 output |
| 引脚 12 | PGED1/RP39/AN7/CMP3C/RB5 — ICSP data / Remappable I/O / Analog input 7 |
| 引脚 13 | AVDD — Analog supply voltage (3.0-3.6 V) |
| 引脚 14 | AVSS — Analog ground |
| 引脚 15 | OA1OUT/AN0/CMP1C — Op-amp 1 output / Analog input 0 / Comparator 1 output |
| 引脚 16 | OA1IN-/AN1 — Op-amp 1 inverting input |
| 引脚 17 | OA1IN+/AN2 — Op-amp 1 non-inverting input |
| 引脚 18 | PGA1P2/OA2OUT/AN3 — PGA / Op-amp 2 output / Analog input 3 |
| 引脚 19 | PGA1P1/OA2IN-/AN4 — PGA / Op-amp 2 inverting input |
| 引脚 20 | PGA1P3/OA2IN+/AN5 — PGA / Op-amp 2 non-inverting input |
| 引脚 21 | PGA2P2/OA3OUT/AN8 — PGA / Op-amp 3 output / Analog input 8 |
| 引脚 22 | PGA2P1/OA3IN-/AN9 — PGA / Op-amp 3 inverting input |
| 引脚 23 | PGA2P3/OA3IN+/AN10 — PGA / Op-amp 3 non-inverting input |
| 引脚 24 | VDD — Digital supply voltage (3.0-3.6 V) |
| 引脚 25 | VSS — Digital ground |
| 引脚 26 | OSCI/CLKI/RA7 — Crystal oscillator input / External clock |
| 引脚 27 | OSCO/CLKO/RA6 — Crystal oscillator output |
| 引脚 28 | RA5 — I/O port A5 |
| 引脚 29 | RA4 — I/O port A4 |
| 引脚 30 | RA3 — I/O port A3 |
| 引脚 31 | RA2 — I/O port A2 |
| 引脚 32 | RA1 — I/O port A1 |
| 引脚 33 | RA0 — I/O port A0 |
| 引脚 34 | RP40/OCMP1/SDA1/RB4 — Remappable I/O / I2C1 SDA |
| 引脚 35 | RP41/OCMP2/SCL1/RB3 — Remappable I/O / I2C1 SCL |
| 引脚 36 | TMS/RP42/PWM3L/RB2 — JTAG TMS / Remappable I/O / PWM3L |
| 引脚 37 | TCK/RP43/PWM3H/RB1 — JTAG TCK / Remappable I/O / PWM3H |
| 引脚 38 | TDO/RP44/PWM4L/RB0 — JTAG TDO / Remappable I/O / PWM4L |
| 引脚 39 | TDI/RP45/PWM4H/RA15 — JTAG TDI / Remappable I/O / PWM4H |
| 引脚 40 | RP46/QEB/RA14 — Remappable I/O / QEI input B |
| 引脚 41 | RP47/QEA/RA13 — Remappable I/O / QEI input A |
| 引脚 42 | RP48/INDX/RA12 — Remappable I/O / QEI index input |
| 引脚 43 | RP49/QEI/RA11 — Remappable I/O / QEI error input |
| 引脚 44 | REFI/RP50/RA10 — Remappable I/O / Reference clock input |
典型应用
PIC24EP64MC204T-I/PT 适用于 6 应用s: Sensorless BLDC Motor Drive, Field-Oriented Control (FOC) for Servo Drives, Ceiling Fan and HVAC Pump Controllers, RC Servo and Drone ESC Controllers, Digital Power Conversion (DC-DC and PFC), Industrial Pumps and Compressors.
Sensorless BLDC Motor Drive
The PIC24EP64MC204T-I/PT is a strong fit for sensorless BLDC motor control because its three integrated op-amps condition phase-current shunt signals while four comparators provide zero-crossing back-EMF detection without external analog front-ends. Its 70 MIPS PIC24E core runs a sensorless BEMF or sliding-mode observer in real time, and the Peripheral Trigger Generator (PTG) aligns ADC sampling to the PWM center for deterministic current-loop timing. In a typical ceiling-fan or pump design, the part drives a 3-phase inverter at 20 kHz with FOC and rejects audible switching noise. Compared with discrete analog designs, this integrated approach reduces BOM by 8-12 components and simplifies EMI compliance by avoiding external op-amp noise.
推荐
Field-Oriented Control (FOC) for Servo Drives
The PIC24EP64MC204T-I/PT delivers enough DSP throughput for field-oriented control of PMSM servo drives up to several hundred watts. The 16-bit PIC24E core executes a Park/Clarke transform, PI current loops and space-vector modulation inside a single control period; the QEI module captures rotor position from an encoder with hardware digital filtering. Its 1.1 Msps 12-bit ADC samples phase currents with sub-microsecond latency, while the on-chip op-amps amplify shunt signals to within the ADC input range. The 44-pin TQFP (PT) footprint allows compact integration on the same PCB as the power stage. Choose the 128KB Flash variant if the application also includes CANopen or EtherCAT stack code.
推荐
Ceiling Fan and HVAC Pump Controllers
The PIC24EP64MC204T-I/PT is purpose-built for residential ceiling fans and HVAC circulation pumps where energy efficiency, low audible noise and long-term reliability are critical. The integrated Motor Control PWM produces 6 channels of complementary outputs with programmable dead time, eliminating the need for an external gate-driver timer; the op-amps measure small shunt currents with millivolt-level accuracy. The 'I' industrial temperature grade ensures 24/7 operation in warm enclosures. LCSC distribution makes the part cost-competitive for high-volume consumer appliances, and the small 10x10 mm TQFP-44 footprint shrinks the control PCB to fit inside a compact motor housing. Sensorless start-up ramps from zero RPM using BEMF commutation, eliminating Hall sensors and reducing BOM cost.
推荐
RC Servo and Drone ESC Controllers
The PIC24EP64MC204T-I/PT is well suited for hobby-grade RC ESCs and drone motor controllers requiring fast PWM updates and small board area. The MCPWM module generates 6 complementary channels at up to 1 ns resolution, and the PTG event sequencer allows hardware-triggered ADC conversions on each PWM edge, eliminating CPU jitter from the current loop. The 44-pin TQFP footprint and 70 MIPS throughput support OneShot125, DShot and standard 50 Hz servo protocols. The integrated op-amps measure small phase currents via low-side shunts without external amplifiers, keeping the ESC board under 25x25 mm.
推荐
Digital Power Conversion (DC-DC and PFC)
The PIC24EP64MC204T-I/PT can be used in digital control loops for DC-DC converters and power-factor-correction stages where its high-resolution MCPWM, fast ADC and DSP engine drive value. The 12-bit ADC with sub-microsecond conversion allows average-current-mode control of a 100 kHz boost PFC stage; the op-amps amplify inductor/shunt currents; and the comparators deliver hardware-cycle-by-cycle current limiting independent of the CPU. The 64KB Flash holds the digital compensator, soft-start state machine and PMBus/I2C telemetry code. Pin compatibility with the 256KB variant allows the same PCB to scale up to multi-loop digital power designs without layout changes.
推荐
Industrial Pumps and Compressors
The PIC24EP64MC204T-I/PT fits industrial pump and compressor controls requiring a reliable motor-control MCU with diagnostic peripherals. The PIC24E core supports sensorless and sensored FOC on induction and PMSM pumps, while the on-chip comparators handle hardware over-current and over-temperature protection without CPU intervention. The 'I' industrial -40 to +85 °C temperature range tolerates outdoor pump cabinets and rooftop installations. The 44-pin TQFP (PT) package's 10x10 mm body and 1.0 mm profile suit compact sealed enclosures. Use the QEI module with an incremental encoder for precise flow-pressure control loops in variable-speed pumps.
推荐
推荐产品汇总
工程参考数据： PIC24EP64MC204T-I/PT ——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 | PIC24EP64MC204-I/PT | PIC24EP128MC204T-I/PT | PIC24EP256MC204T-I/PT | PIC24EP512MC204T-I/PT | PIC24EP64MC204T-E/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (PT) 10x10 mm | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB | 64 KB | 128 KB | 256 KB | 512 KB | 64 KB |
| RAM | 8 KB | 8 KB | 16 KB | 32 KB | 48 KB | 8 KB |
| CPU Performance | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Op-Amps | 3 | 3 | 3 | 3 | 3 | 3 |
| Comparators | 4 | 4 | 4 | 4 | 4 | 4 |
| Temperature Grade | -40 to +85 °C (Industrial) | -40 to +85 °C (Industrial) | -40 to +85 °C (Industrial) | -40 to +85 °C (Industrial) | -40 to +85 °C (Industrial) | -40 to +125 °C (Extended) |
关键差异点
- Highest Flash density with motor-control peripherals at 44-pin TQFP-44 footprint （对比 PIC24EP512MC204T-I/PT)
- Lower Flash tier fits cost-sensitive consumer fan/ESC designs （对比 PIC24EP128MC204T-I/PT)
- Standard industrial -40 to +85 °C grade; E-suffix variant extends to +125 °C （对比 PIC24EP64MC204T-E/PT)
设计说明
Place the AVDD pin (13) and AVSS pin (14) analog supply pins as close as possible to the device, decoupling each with a 100 nF ceramic capacitor in parallel with a 10 µF tantalum or ceramic bulk. Use a separate analog ground island tied back to VSS at a single point to avoid digital switching noise coupling into the op-amp and ADC analog inputs. Keep the OA1/OA2/OA3 op-amp output traces short and away from PWM switching traces to prevent capacitive coupling into the feedback loop.
Route the MCPWM complementary pairs (PWM1H/L, PWM2H/L, PWM3H/L, PWM4H/L) as matched-length differential traces to the gate driver inputs. The dead-time generator on PIC24EP64MC204T-I/PT has a programmable range down to ~5 ns - configure dead time so that the total (propagation delay + dead time) is greater than the MOSFET turn-off time to prevent shoot-through. Use the PTG to trigger ADC sampling at the PWM center for sub-microsecond deterministic current-loop timing.
Do not exceed the maximum supply voltage of 3.6 V on any VDD/AVDD pin; transients above 4 V can permanently damage the on-chip voltage regulator. Always configure the unused op-amps (if not used by the application) into their lowest-power mode by clearing the AMPEN bits - otherwise they continue to draw 1-2 mA each and may inject noise into adjacent analog inputs. The MCLR pin (10) requires a 10 kΩ pull-up to VDD and a 100 nF capacitor to ground for proper reset behavior - leaving it floating causes intermittent reset failures during power-up.
Estimated: at maximum CPU activity (70 MIPS continuous, all peripherals enabled, ADC sampling at 1.1 Msps), the PIC24EP64MC204T-I/PT core draws approximately 70 mA. At 3.3 V this is about 230 mW of dissipation. The 44-pin TQFP has a typical theta_JA of ~50 °C/W on a 4-layer JEDEC test board, resulting in a junction temperature rise of ~11 °C above ambient. In an enclosed appliance at 60 °C ambient, the junction reaches 71 °C - well below the 125 °C maximum - so no external heatsink is required.
合规信息
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; for AEC-Q100, choose the PIC24EP64MC204T-E/PT extended-temperature variant in the same package.