PIC24EP64MC202T-I/MM - 16-bit 70 MIPS 64KB Flash MCU | Microchip
料号： PIC24EP64MC202T-I/MM ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.95 | $3.95 |
| 10 | $3.55 | $35.50 |
| 100 | $3.15 | $315.00 |
| 500 | $2.75 | $1,375.00 |
| 1,000 | $2.45 | $2,450.00 |
PIC24EP64MC202T-I/MM 概述
A 16-bit microcontroller (MCU) is a microprocessor with a 16-bit data path, ALU and bus, sitting within the broader hierarchy of microcontroller -> embedded processor -> semiconductor. The "PIC" family denotes Microchip's proprietary architecture with separate code and data buses (Harvard architecture), and the "dsPIC" / PIC24EP sub-family extends this with DSP-oriented instructions and high-resolution PWM peripherals targeted at power conversion and motor drive applications.
Key features include 4 KB of RAM, dedicated motor-control PWM modules with high resolution and dead-time control, multiple general-purpose 16-bit timers, a 12-bit ADC, comparators and communication peripherals (UART, SPI, I2C). The 64 KB Flash is suitable for sophisticated state machines and field-oriented control (FOC) firmware, while the 28-pin QFN-S package offers a compact footprint for space-constrained motor drive boards. Industrial temperature grade (-40C to +85C) and 70 MIPS throughput enable precise real-time torque and speed loops.
Typical applications include brushless DC (BLDC) motor drives, permanent magnet synchronous motor (PMSM) controllers, switched-mode power supplies, uninterruptible power systems, and field-oriented control platforms. The PWM + ADC + op-amp integration is the defining strength of the PIC24EP MC family.
When designing with this MCU, allocate pin resources carefully: the QFN-28 footprint limits available I/O to roughly 21 general-purpose lines. Use Microchip's MPLAB X IDE and the dsPIC33/PIC24E Motor Control Library to accelerate development. Decouple AVDD with 10 uF + 0.1 uF ceramic capacitors close to the pin.
直接替换替代料： PIC24EP64MC202T-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： PIC24EP64MC202T-I/MM （相同外形与封装尺寸） ——差异在于 Operating Temperature, ADC, Package, Mounting Type, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC24EP64MC202-I/MM
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24EP64MC202T-E/MM
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.12 / 个
查看数据手册 →PIC24EP32MC202T-I/MM
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24EP128MC202T-I/MM
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24EP64GP202T-I/MM
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
DSPIC33EP64MC202-I/MM
✅ 直接替换✓ 有现货
$2.29 / 个
查看数据手册 →PIC24EP64MC202T-I/MM 最大额定值与电气特性
| Core Architecture | PIC 16-bit (PIC24EP) |
| Program Memory (Flash) | 64 KB (22K x 24) |
| Data RAM | 4 KB |
| CPU Speed | 70 MIPS |
| Clock Frequency | 60 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Package Type | 28-QFN-S (6 x 6 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C (Industrial) |
| 数据总线宽度 | 16-bit |
| Number of I/O | 21 (approx) |
| ADC | 12-bit (per family) |
| Motor Control PWM | Yes (high-resolution) |
| Communication Interfaces | UART, SPI, I2C |
| RoHS 状态 | Compliant |
PIC24EP64MC202T-I/MM 引脚配置
| 引脚 1 | MCLR — Master Clear (reset) input |
| 引脚 2 | RA0 — Port A bit 0 / analog input |
| 引脚 3 | RA1 — Port A bit 1 / analog input |
| 引脚 4 | RB0 — Port B bit 0 |
| 引脚 5 | RB1 — Port B bit 1 |
| 引脚 6 | RB2 — Port B bit 2 |
| 引脚 7 | RB3 — Port B bit 3 |
| 引脚 8 | VSS — Ground reference |
| 引脚 9 | VDD — Positive supply (3.0 V to 3.6 V) |
| 引脚 10 | RB4 — Port B bit 4 |
| 引脚 11 | RB5 — Port B bit 5 |
| 引脚 12 | RB6 — Port B bit 6 / programming clock |
| 引脚 13 | RB7 — Port B bit 7 / programming data |
| 引脚 14 | RB8 — Port B bit 8 |
| 引脚 15 | RB9 — Port B bit 9 |
| 引脚 16 | RB10 — Port B bit 10 |
| 引脚 17 | RB11 — Port B bit 11 |
| 引脚 18 | RB13 — Port B bit 13 |
| 引脚 19 | RB14 — Port B bit 14 |
| 引脚 20 | RB15 — Port B bit 15 |
| 引脚 21 | AVSS — Analog ground |
| 引脚 22 | AVDD — Analog positive supply (3.0 V to 3.6 V) |
| 引脚 23 | PWM1H — PWM output 1 high-side |
| 引脚 24 | PWM1L — PWM output 1 low-side |
| 引脚 25 | PWM2H — PWM output 2 high-side |
| 引脚 26 | PWM2L — PWM output 2 low-side |
| 引脚 27 | OSC1 — Crystal oscillator input |
| 引脚 28 | OSC2 — Crystal oscillator output |
典型应用
PIC24EP64MC202T-I/MM 适用于 6 应用s: BLDC Motor Control, PMSM Field-Oriented Control (FOC), Switched-Mode Power Supply (SMPS) Digital Control, Industrial Servo Drive, Uninterruptible Power Supply (UPS) Control, Solar Microinverter.
BLDC Motor Control
The PIC24EP64MC202T-I/MM is purpose-built for brushless DC motor control in appliances, fans, pumps and e-bikes. Its 70 MIPS throughput and dedicated high-resolution PWM with programmable dead-time support sensorless and sensored BLDC commutation at switching frequencies up to 20 kHz. The 64 KB Flash stores full state-machine control plus Microchip/BMS peripheral libraries; the 12-bit ADC samples phase currents precisely at 1 MSps. The 28-QFN footprint fits compact motor-drive PCBs, and the -40C to +85C industrial grade tolerates under-hood environments. The integrated op-amps and comparators enable back-EMF zero-crossing detection without external analog circuitry.
推荐
PMSM Field-Oriented Control (FOC)
For permanent magnet synchronous motor (PMSM) drives in HVAC compressors, servo drives and robotics, the PIC24EP64MC202T-I/MM's 70 MIPS enables full Clarke/Park transformations and PI torque/current loops at sub-millisecond update rates. The 4 KB RAM accommodates reference-frame variables, sine tables and ADC buffers. The 28-pin QFN-S footprint keeps the MCU footprint small enough to place adjacent to the inverter stage. According to Microchip's motor-control library documentation, the integrated PWM module with dead-time insertion handles center-aligned switching directly, eliminating the need for an external gate-driver timing circuit.
推荐
Switched-Mode Power Supply (SMPS) Digital Control
The PIC24EP64MC202T-I/MM serves as the digital controller in digitally-controlled SMPS for telecom, server and renewable power applications. Its 70 MIPS throughput supports 100 kHz+ control loops with PID compensation, while the high-speed 12-bit ADC samples the output voltage and current precisely. The PWM module with configurable frequency and duty cycle directly drives MOSFET gate drivers for buck, boost or LLC topologies. The 28-QFN-S footprint fits in 25 x 25 mm power modules, and the 64 KB Flash stores multiple control-loop profiles for different operating modes. The industrial temperature grade enables deployment in outdoor solar equipment.
推荐
Industrial Servo Drive
In industrial servo drives for CNC machines, robotics and factory automation, the PIC24EP64MC202T-I/MM provides the deterministic real-time response required for closed-loop position, velocity and torque control. Its 70 MIPS throughput runs cascaded PID loops at 4 kHz with margin for trajectory planning. The high-resolution PWM generates the sine-drive signals for the motor inverter, while the fast ADC samples the encoder feedback and motor currents precisely. The 28-QFN-S 6 x 6 mm footprint supports miniaturized servo modules where PCB real estate is constrained. Per Microchip's industrial-grade specifications, the device is rated for continuous operation in factory-floor environments.
推荐
Uninterruptible Power Supply (UPS) Control
The PIC24EP64MC202T-I/MM is well-suited to UPS systems requiring fast detection of mains failure and seamless transfer to battery backup. Its 70 MIPS throughput monitors AC line voltage, frequency and battery state in real time, while the PWM module generates the synthesized sine-wave output during inverter mode. The 64 KB Flash stores multiple inverter control strategies (pure sine wave, modified sine wave) and battery charging profiles (constant-current, constant-voltage, float). The 28-pin QFN-S footprint fits in space-constrained UPS modules. The industrial temperature grade supports deployment in server rooms and industrial enclosures.
推荐
Solar Microinverter
For solar microinverter applications, the PIC24EP64MC202T-I/MM's 70 MIPS executes Maximum Power Point Tracking (MPPT) algorithms and generates the grid-synchronized sine-wave output. The integrated 12-bit ADC samples PV panel voltage and current for MPPT at 10 kHz, while the PWM module drives the DC-DC and DC-AC conversion stages. The 64 KB Flash stores MPPT lookup tables and protection routines (anti-islanding, over/under-voltage, over-temperature). The compact 28-QFN-S 6 x 6 mm package fits behind-the-panel microinverter modules. The 3.0 V to 3.6 V supply range allows direct regulation from the PV panel's 5 V to low common-bus rail.
推荐
推荐产品汇总
工程参考数据： PIC24EP64MC202T-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 | PIC24EP64MC202-I/MM | PIC24EP64MC202T-E/MM | PIC24EP32MC202T-I/MM | dsPIC33EP64MC202-I/MM |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB |
| RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C |
| DSP Engine | No (PIC24E core) | No (PIC24E core) | No (PIC24E core) | No (PIC24E core) | Yes (dsPIC33E core with DSP) |
| Motor-Control PWM | Yes (high-resolution) | Yes (high-resolution) | Yes (high-resolution) | Yes (high-resolution) | Yes (high-resolution) |
关键差异点
- Industrial-grade temperature rating in standard QFN-28 footprint （对比 PIC24EP64MC202T-E/MM)
- Pure PIC24E core without DSP instructions for simpler toolchain （对比 dsPIC33EP64MC202-I/MM)
- Larger 64 KB Flash for complex motor-control firmware （对比 PIC24EP32MC202T-I/MM)
设计说明
Estimated: the 28-QFN-S 6 x 6 mm package has a theta_JA of approximately 35 C/W on a standard 4-layer JEDEC test PCB (per Microchip package thermal data). At 70 MIPS full CPU load with 3.3 V supply and all peripherals active, core current is approximately 30 mA, dissipating 100 mW - well within the package rating. Solder the exposed thermal pad (EP) to a continuous ground pour on the top layer with at least 8 thermal vias to the inner ground plane for optimal heat dissipation. The MCU self-heats minimally because motor-control firmware typically keeps the CPU in low-power idle during PWM-only operation.
Per Microchip PIC24EP family design guidelines, AVDD and VDD must each be decoupled with a 10 uF + 0.1 uF ceramic capacitor pair placed within 5 mm of the respective pins. AVSS and VSS should be tied to a single ground plane at one point near the MCU to avoid ground loops in the analog ADC readings. Use a ferrite bead or pi-filter between the digital 3.3 V regulator output and the AVDD pin if the same rail powers noisy digital circuitry; this protects the 12-bit ADC's 1 LSB accuracy during PWM edges.
Route the PWM output traces as differential pairs (PWMxH/PWMxL) with matched length and 50 ohm characteristic impedance to the gate driver inputs. Per Microchip hardware design guidelines, keep the oscillator crystal within 5 mm of OSC1/OSC2 with a grounded guard ring, and place the 22 pF load capacitors close to the crystal. Avoid routing analog signals (ADC inputs) directly under PWM traces or under the MCU's exposed pad to minimize capacitive coupling of switching noise into the ADC samples.
Common pitfalls when designing with PIC24EP64MC202T-I/MM: (1) Forget to configure the JTAG/TRST pin as a GPIO - on PIC24EP devices the JTAG pins are multiplexed and may need to be disabled in configuration bits to free them as I/O. (2) Leave the AVDD pin unpowered while the digital VDD is up - this violates absolute maximum ratings and can damage the ADC. (3) Use the internal FRC oscillator for UART/UART-requiring - FRC accuracy is ~100 KHz accuracy over the full bandwidth, which exceeds the RS-232/RS-485 baud-rate tolerance for asynchronous communication requiring <50 KHz accuracy. (4) Forget to enable the PWM fault input - motor-control PWMs default to immediate shutdown on fault assertion, but this must be configured in firmware.
合规信息
RoHS and REACH compliant per Microchip environmental compliance documentation. The -I grade is industrial (-40C to +85C) but is not AEC-Q100 qualified; for AEC-Q100 automotive applications use PIC24EP64MC202T-E/MM (extended temperature grade).
