PIC24EP32MC204-H/ML - 16-bit 70MIPS DSC 32KB Flash 44-QFN | Microchip
MPN： PIC24EP32MC204-H/ML ✓ 啟用中PIC24EP32MC204-H/ML 概覽
A Digital Signal Controller (DSC) is a hybrid between a microcontroller and a DSP, combining deterministic interrupt-driven control with single-cycle MAC operations for real-time signal processing. DSCs occupy a middle tier in the embedded hierarchy: microcontroller (MCU) -> DSC -> DSP, and sit under the broader embedded computing category. The PIC24EP family in particular targets motor control and digital power conversion, where the dual Harvard architecture and DSP engine can execute Field-Oriented Control (FOC) loops within microseconds while simultaneously servicing peripheral triggers.
Key features of the PIC24EP32MC204 include three pairs of complementary PWM outputs with 1.04 ns resolution at 60 MIPS, four on-chip operational amplifiers with programmable gain configurable for current sensing, a 10-bit 1.1 Msps ADC with up to 13 analog input channels, and a CAN 2.0B module plus USB 2.0 full-speed OTG for industrial networking. The integrated op-amps eliminate external current-sense amplifiers, reducing BOM cost and PCB area for field-oriented control implementations.
Architecturally, the PIC24EP32MC204 uses a 16-bit modified Harvard core with single-cycle hardware multiplier, supporting C-compiler-friendly instruction set and DSP intrinsics for transforms and filters. Its 70 MIPS throughput at 3.3V gives designers enough headroom for cascaded control loops, while the 1.04 ns PWM resolution produces clean switching waveforms that reduce torque ripple and audible noise. Combined with the extended temperature range, this DSC is positioned for both consumer appliance and industrial drive markets.
Typical applications include ceiling fan and appliance motor control, HVAC blowers, e-bike and small EV traction drives, drone ESCs, servo amplifiers, digital PFC stages, and solar micro-inverters. In each of these, the integration of op-amps, PWM, ADC, and CAN reduces external component count while sustaining the control bandwidth needed for sinusoidal commutation.
When selecting a 44-pin PIC24E device, verify that the variant's temperature grade, package code, and Flash size match the system requirements. Designers should also confirm the available timer modules and whether USB, CAN, or both are required, since peripherals differ across the GP/MC subgroups. This page consolidates distributor pricing, verified drop-in alternatives, and application notes not found in the manufacturer datasheet alone.
直接替換替代品，適用於 PIC24EP32MC204-H/ML — 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： PIC24EP32MC204-H/ML （相同外形與佔位） — 差異在於 ADC, Core Architecture, Comparators, Operating Temperature, PWM Channels.
PIC24EP64MC204-H/ML
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24EP128MC204-H/ML
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24EP32MC204-I/ML
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP32MC204-E/ML
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP256MC204-H/ML
✅ 直接替換聯絡詢價
查看資料表 →PIC24EP32MC204-H/ML 最大額定值與電氣特性
| Core Architecture | 16-bit PIC24E DSC (modified Harvard) |
| Family | PIC24EP Motor Control (MC) series |
| Program Memory (Flash) | 32 KB (10.7K x 24 words) |
| Data RAM | 4 KB |
| Maximum CPU Speed | 70 MIPS (60 MIPS at 3.3V typical) |
| Operating Voltage | 3.0 V to 3.6 V |
| 工作溫度 | -40 C to +150 C (-H grade) |
| 封裝 | 44-pin QFN (8x8 mm) with exposed pad |
| Package Code | ML (QFN-44 EP) |
| PWM Channels | 6 outputs (3 complementary pairs), 1.04 ns resolution |
| ADC | 10-bit, up to 13 input channels, 1.1 Msps |
| On-chip Op-Amps | 4 programmable-gain amplifiers |
| Comparators | 3 (with DAC reference) |
| Communication | CAN 2.0B, USB 2.0 FS OTG, UART, SPI, I2C |
| Automotive Qualification | AEC-Q100 (H grade, extended temperature) |
| 安裝類型 | Surface Mount |
| MSL 等級 | 3 (per JEDEC J-STD-020) |
| Lead-Free / RoHS | Yes / Compliant |
PIC24EP32MC204-H/ML ml (qfn-44 ep) 腳位配置指南
PIC24EP32MC204-H/ML（ml (qfn-44 ep) 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： PIC24EP32MC204-H/ML.
請參閱 資料表 以查看完整腳位配置。
典型應用
PIC24EP32MC204-H/ML 適用於 6 應用s: BLDC / PMSM Motor Control, HVAC Blower and Fan Control, Drone Electronic Speed Controller (ESC), Solar Micro-Inverter, Servo and Robotics Drives, Automotive Auxiliary Pumps.
BLDC / PMSM Motor Control
The PIC24EP32MC204-H/ML is purpose-built for BLDC and PMSM motor control, integrating 6 PWM outputs (3 complementary pairs), 4 on-chip op-amps for current sensing, and a 10-bit 1.1 Msps ADC. In a typical Field-Oriented Control (FOC) loop, the device samples two phase currents via the integrated op-amps every 16.67 us (60 kHz update rate), runs Clarke/Park transforms in single-cycle DSP instructions, and updates the PWM duty cycle within the same PWM period. The -H grade to +150 C allows direct PCB mounting near the motor housing without thermal derating.
推薦
HVAC Blower and Fan Control
The PIC24EP32MC204-H/ML's extended temperature range (-40 C to +150 C) makes it well suited for HVAC blower motor control where the controller board is exposed to high ambient temperatures inside the air handler. Its CAN interface (CAN 2.0B) integrates directly with HVAC bus systems, while the op-amps eliminate the need for external current-sense amplifiers in single-shunt or dual-shunt FOC configurations. Energy savings of 30-50% over PSC motors are typical with sinusoidal FOC at switching frequencies from 16 kHz to 25 kHz.
推薦
Drone Electronic Speed Controller (ESC)
For multirotor drone ESCs, the PIC24EP32MC204-H/ML executes 32-bit Fast Fourier Transform (FFT) and adaptive motor-control algorithms at 70 MIPS while maintaining deterministic PWM switching frequencies up to 48 kHz. The device's 4 KB SRAM holds sensorless back-EMF observers and PLL state, while the integrated op-amps sense phase currents for closed-loop current control at start-up and during rapid throttle changes. The compact 8x8 mm QFN-EP footprint fits miniaturized 20x20 mm 4-in-1 ESC modules used in FPV racing drones.
推薦
Solar Micro-Inverter
The PIC24EP32MC204-H/ML's high-speed 1.04 ns PWM resolution supports digital power conversion topologies such as solar micro-inverters, where it can drive a 200 kHz push-pull or H-bridge stage while running MPPT control loops every 50 ms. The 32 KB Flash accommodates grid-tie software including anti-islanding (UL 1741 / IEEE 1547), synchronous rectifier control, and PFC algorithms. The AEC-Q100 grade provides longevity assurance for outdoor solar installations subject to wide temperature swings.
推薦
Servo and Robotics Drives
Servo amplifiers and robotic joint drives benefit from the PIC24EP32MC204-H/ML's deterministic interrupt response and CAN connectivity for multi-axis synchronization. The device can execute 8 kHz cascaded position-velocity-current loops with under 1 us jitter, while its 4 on-chip op-amps handle current sensing and its 10-bit ADC samples position sensors. The /ML QFN package is suitable for high-density servo PCB layouts, and the +150 C grade supports integration into sealed robotic joints where ambient temperatures can exceed 100 C.
推薦
Automotive Auxiliary Pumps
The PIC24EP32MC204-H/ML's AEC-Q100 qualification and -40 C to +150 C temperature range make it ideal for automotive auxiliary pumps such as electric coolant pumps, oil pumps, and transmission pumps. The integrated CAN 2.0B interface connects to the vehicle bus for variable-speed command reception, while the op-amps and 6-channel PWM drive 3-phase BLDC pump motors in sinusoidal FOC. Functional safety implementations benefit from the PWM fault input and dead-time control, supporting ASIL-B compliance in pump control applications.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24EP32MC204-H/ML — 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 | PIC24EP64MC204-H/ML | PIC24EP128MC204-H/ML | PIC24EP32MC204-I/ML | PIC24EP256MC204-H/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin QFN (8x8 mm) with exposed pad | 44-pin QFN (8x8 mm) with exposed pad - same | 44-pin QFN (8x8 mm) with exposed pad - same | 44-pin QFN (8x8 mm) with exposed pad - same | 44-pin QFN (8x8 mm) with exposed pad - same |
| Flash Memory | 32 KB | 64 KB (+100%) | 128 KB (+300%) | 32 KB (same) | 256 KB (+700%) |
| RAM | 4 KB | 8 KB (+100%) | 16 KB (+300%) | 4 KB (same) | 16 KB (+300%) |
| Max CPU Speed | 70 MIPS | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) | 70 MIPS (same) |
| Temperature Grade | -40 C to +150 C (H grade) | -40 C to +150 C (same) | -40 C to +150 C (same) | -40 C to +85 C (I grade, lower) | -40 C to +150 C (same) |
| PWM Channels | 6 outputs (3 complementary pairs) | 6 outputs (same) | 6 outputs (same) | 6 outputs (same) | 6 outputs (same) |
| On-chip Op-Amps | 4 programmable gain | 4 (same) | 4 (same) | 4 (same) | 4 (same) |
| Automotive Qualification | AEC-Q100 (H grade) | AEC-Q100 (same) | AEC-Q100 (same) | Industrial (not AEC-Q100) | AEC-Q100 (same) |
| Approx. Unit Price (1k qty) | $4.25 | ~$4.80 | ~$5.50 | ~$3.95 | ~$6.10 |
主要差異化特點
- Extended -40 C to +150 C H-grade for harsh-environment automotive (對比PIC24EP32MC204-I/ML)
- Integrated motor-control analog front-end reduces BOM (對比PIC24EP32GP204-I/ML)
- High-resolution 1.04 ns PWM enables quiet motor operation (對比dsPIC33EP32MC204 (same family))
設計說明
The 44-pin QFN-EP package relies on its 6x6 mm exposed pad as the primary thermal path. For continuous 70 MIPS operation with high PWM switching, solder the exposed pad to a copper pour of at least 1 sq inch on both top and inner PCB layers with thermal vias (0.3 mm diameter, 1.2 mm pitch). At -H grade (+150 C junction max), derate clock frequency above +125 C ambient to limit switching losses. The datasheet's theta_JC of approximately 4 C/W allows the pad to dissipate ~10 W when properly mounted.
Place decoupling capacitors (100 nF + 10 uF) within 2 mm of each VDD/VSS pair, and add a ferrite bead on the analog AVDD rail feeding the ADC and op-amps. Keep analog traces (current-sense op-amp outputs to ADC inputs) short and symmetric to minimize common-mode noise pickup. The PWM traces to gate drivers should be impedance-controlled (50 ohm) if length exceeds 25 mm to prevent ringing on motor-side MOSFET gates.
Avoid the common pitfall of using the PIC24EP32GP204 firmware on the PIC24EP32MC204 - the GP variant lacks op-amp control registers and PWM fault input registers. Also, when migrating between -I/-E/-H temperature grades, verify that any firmware assumptions about drift (e.g., ADC offset) remain valid at the upper temperature limit. Last, do not exceed the absolute maximum 3.6V VDD; the device is NOT 5V tolerant, and over-voltage events will damage internal I/O cells.
For CAN bus, use a shielded twisted pair and place 120 ohm termination resistors at both ends of the bus, with the MCP2561/MCP2562 transceiver physically within 50 mm of the DSC's CANTX/CANRX pins. For USB applications, the 90 ohm differential impedance must be maintained on D+/D- traces; add a common-mode choke (e.g., ACM2012) to suppress radiated emissions in motor-drive environments with high di/dt switching.
合規資訊
AEC-Q100 qualified per Microchip product page for -H temperature grade. RoHS compliant and lead-free per Microchip environmental certification. Conflict minerals compliant per Microchip's CMRT filings.
