Microchip Technology

PIC24EP256MC204-E/ML - 60 MIPS 16-bit Motor Control MCU | Microchip

部品番号: PIC24EP256MC204-E/ML ✓ 生産中
在庫あり 1〜3営業日以内に発送
3.0 V to 3.6 V (3.3 V nominal) Vdss 44-pin QFN (8x8 mm) with exposed pad Package 60 MIPS (max at this grade) Speed 256 KB (85.5K x 24 instructions) Memory
開始価格 $5.21 USD / 個
MOQ: 1 |
価格更新日: 2026-09-28
ボリューム価格
数量 単価 小計
1 $8.42 $8.42
10 $7.58 $75.80
100 $6.74 $674.00
500 $5.89 $2,945.00
1,000 $5.21 $5,210.00
ℹ️ すべての価格はUSDです

PIC24EP256MC204-E/ML 概要

The Microchip Technology PIC24EP256MC204-E/ML is a 16-bit Digital Signal Controller (DSC) from the PIC24EP motor-control family, delivering 60 MIPS of computational throughput from a 44-pin 8x8 mm QFN package (44-VQFN with exposed thermal pad). The device integrates 256 KB of Flash program memory (85.5K x 24 words), 32 KB of SRAM, and a high-speed PWM module optimised for precision three-phase motor control. It is designed for enhanced operating temperature range (-40C to +125C, automotive grade qualified per AEC-Q100) and 3.3V single-supply operation.

A DSC is a hybrid between a microcontroller and a digital signal processor: it combines deterministic interrupt-driven control loops with hardware multiply-accumulate, single-cycle MAC, and DSP-oriented addressing modes. Within the broader hierarchy, the PIC24EP256MC204 sits under: DSC -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The 'MC' in the part number designates the Motor Control sub-family with high-resolution PWM, quadrature encoder interfaces, and on-chip operational amplifiers for current sensing.

Key features include 70 MIPS peak performance (60 MIPS at this temperature grade), 4 on-chip op-amps for current shunt amplification, a 10-bit ADC with up to 16 channels and 1.1 Msps conversion rate, 6 PWM channels with 7.14 ns resolution, dual CAN 2.0B controllers, USB 2.0 full-speed OTG, and a Peripheral Trigger Generator (PTG) for offloading timing-critical tasks. The device also integrates a 32-bit CRC, a Parallel Master Port (PMP), and JTAG/ICSP programming/debug interfaces.

Architecturally the PIC24EP uses a modified Harvard bus with separate instruction and data paths to the Flash and SRAM, plus a tightly-coupled DMA engine that streams data between peripherals and memory without CPU intervention. The enhanced core extends the dsPIC instruction set with DSP intrinsics, dual- operand fetches and DO/REPEAT zero-overhead loops, enabling real-time vector and torque calculations in Field-Oriented Control (FOC) loops within a single PWM cycle.

Typical applications include industrial BLDC and PMSM motor drives, field-oriented control (FOC) inverter stages, automotive HVAC blowers, e-bike traction controllers, servo drives and robotics. The on-chip op-amps, ADC, and PWM make it well-suited for sensorless or sensored motor control with sub-microsecond current-loop bandwidth.

Designers should note that the -E temperature grade is rated to +125C; the -I variant runs to +85C with 70 MIPS. The exposed pad on the QFN package must be soldered to a thermal via array for adequate heat dissipation in continuous full-load PWM applications. The 8x8 mm 44-QFN footprint is shared across the PIC24EP256MC family, enabling PCB reuse between temperature grades.

This page synthesises distributor pricing, drop-in same-package alternatives, and practical design notes that are not collected in any single manufacturer document, giving procurement engineers and firmware developers a consolidated decision resource.

ドロップイン代替品: PIC24EP256MC204-E/ML — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: PIC24EP256MC204-E/ML (同一形状・フットプリント) — 相違点: ADC, Operating Temperature, Package, Core Architecture, PWM Channels.

Microchip Technology
ADC: 10/12-bit, up to 1 MSPS
Operating Temperature: -40 C to +125 C (E = extended grade)
Package: 44-pin TQFP (PT) 10x10 mm
Microchip Technology
ADC: 12-bit, 500 ksps
Operating Temperature: -40 C to +85 C (Industrial)
Package: 44-pin VTLA (6x6 mm)
Microchip Technology
ADC: 10/12-bit, up to 1.1 Msps
Core Architecture: PIC24E (16-bit dsPIC DSC core with DSP enhancements)
Microchip Technology
ADC: 12-bit, up to 16 channels
Operating Temperature: -40 °C to +125 °C (extended automotive, "E")
Package: 44-pin VQFN (8x8 mm) with exposed pad
Microchip Technology
Operating Temperature: -40C to +125C (Automotive Grade -E)
Package: 44-QFN (8x8 mm) with Exposed Pad
Microchip Technology
ADC: 12-bit, up to 10 Msps
Operating Temperature: -40C to +85C (Industrial)
Package: 44-QFN (8x8 mm)
Microchip Technology
ADC: 12-bit, up to 500 ksps
Operating Temperature: -40 °C to +85 °C (Industrial)
Package: 44-pin QFN (8x8 mm) with exposed thermal pad
Microchip Technology
ADC: Dual 12-bit, 1.1 MSPS combined throughput
Operating Temperature: -40C to +150C (H-grade)
Core Architecture: PIC24E 16-bit modified Harvard
Microchip Technology
ADC: 10/12-bit ADC
Operating Temperature: -40C to +85C (Industrial, "I")
Package: 44-pin QFN (8x8 mm) with exposed thermal pad
Microchip Technology
ADC: 12-bit, up to 1.1 Msps
Package: 44-QFN (8x8 mm) with exposed pad
Core Architecture: PIC24E 16-bit DSC
Microchip Technology
ADC: 12-bit, up to 16 channels, 1.1 Msps
Operating Temperature: -40C to +125C (Extended, "E")
Package: 36-pin VTLA (6x6 mm) with Exposed Pad
Microchip Technology
ADC: 12-bit, up to 16 channels
Core Architecture: PIC24E (16-bit modified Harvard)
PWM Channels: 6 (motor-control PWM with complementary outputs, dead-band)

クイック比較ツール — 並列比較する代替部品を選択:

PIC24EP256MC204-I/ML

✅ ドロップイン
Microchip Technology
📦 44-QFN (8x8 mm)
PIC24E (16-bit modified Harvard RISC with DSP extensions) · 70 MIPS at 70 MHz · 256 KB (85.5K x 24 words) · 32 KB · 3.0 V to 3.6 V · 44-pin QFN (8x8 mm) with exposed thermal pad · -40C to +85C (Industrial, "I") · High-speed PWM (motor control)

✓ 在庫あり

$4.4 / 個

データシートを見る →

PIC24EP256GP204-I/ML

✅ ドロップイン
Microchip Technology
📦 44-QFN (8x8 mm)
PIC24E 16-bit MCU · 70 MIPS · 256 KB (85.5K x 24) · 32 KB · 3.0 V to 3.6 V · -40C to +85C (Industrial) · 44-QFN (8x8 mm) · Surface Mount

✓ 在庫あり

$4.13 / 個

データシートを見る →

PIC24EP256GP204T-I/ML

✅ ドロップイン
Microchip Technology
📦 44-QFN (8x8 mm)
PIC24EP · PIC 16-bit MCU (modified Harvard) · 70 MIPS at 70 MHz · 256 KB (85.5K x 24) · 32 KB · 3.0 V to 3.6 V · -40 °C to +85 °C (Industrial) · 35

✓ 在庫あり

$6.1 / 個

データシートを見る →

PIC24EP128MC204-E/ML

✅ ドロップイン
Microchip Technology
📦 44-QFN (8x8 mm)
PIC24E (16-bit dsPIC DSC core with DSP enhancements) · 70 MIPS at 60 MHz (3.3 V operation) · 128 KB (43K x 24) · 16 KB · 3.0 V to 3.6 V · 35 · 10/12-bit, up to 1.1 Msps · 6 outputs, 1.04 ns resolution

✓ 在庫あり

$5.08 / 個

データシートを見る →

PIC24EP128GP204-E/PT

✅ ドロップイン
Microchip Technology
📦 44-QFN (8x8 mm)
PIC24E (16-bit modified Harvard) · 60 MIPS (max 70 MIPS core capable) · 128 KB Flash (43K x 24 words) · 16 KB · 3.0 V to 3.6 V · -40 C to +125 C (E = extended grade) · 44-pin TQFP (PT) 10x10 mm · 10/12-bit, up to 1 MSPS

✓ 在庫あり

$4.25 / 個

データシートを見る →

PIC24EP128GP204T-I/TL

✅ ドロップイン
Microchip Technology
📦 44-QFN (8x8 mm)
PIC24E 16-bit modified Harvard · 70 MIPS (max) · 128 KB (43K x 24) · 16 KB · 3.0 V to 3.6 V · -40 C to +85 C (Industrial) · 44-pin VTLA (6x6 mm) · Surface Mount

✓ 在庫あり

$3.33 / 個

データシートを見る →

PIC24EP256MC204-E/ML 最大定格&電気的特性

Core Architecture 16-bit dsPIC/PIC24E DSC (modified Harvard)
Program Memory (Flash) 256 KB (85.5K x 24 instructions)
Data Memory (SRAM) 32 KB
Operating Frequency 60 MIPS (max at this grade)
電源電圧 3.0 V to 3.6 V (3.3 V nominal)
動作温度 -40C to +125C (automotive grade)
AEC-Q100 Qualification Qualified
パッケージ 44-pin QFN (8x8 mm) with exposed pad
PWM Channels 6 (3 complementary pairs, 7.14 ns resolution)
ADC 10-bit, up to 16 channels, 1.1 Msps
On-chip Op-Amps 4
Comparators 4
Communication 2x CAN 2.0B, USB 2.0 FS OTG, 4x UART, 3x SPI, 2x I2C
DMA Channels 8
Timers 16-bit Timer x 5, 32-bit Timer x 2
JTAG/ICSP Debug Yes
実装タイプ Surface Mount
RoHS ステータス Compliant

PIC24EP256MC204-E/ML ピン構成

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
ピン 1 RPn1/RB0 — Remappable peripheral / GPIO port B bit 0
ピン 2 RPn2/RB1 — Remappable peripheral / GPIO port B bit 1
ピン 3 RPn3/RB2 — Remappable peripheral / GPIO port B bit 2
ピン 4 RPn4/RB3 — Remappable peripheral / GPIO port B bit 3
ピン 5 VSS — Ground reference
ピン 6 VDD — Positive supply 3.3V
ピン 7 RPn5/RB4 — Remappable peripheral / GPIO port B bit 4
ピン 8 RPn6/RB5 — Remappable peripheral / GPIO port B bit 5
ピン 9 RPn7/RB6 — Remappable peripheral / GPIO port B bit 6
ピン 10 RPn8/RB7 — Remappable peripheral / GPIO port B bit 7
ピン 11 RPn9/RB8 — Remappable peripheral / GPIO port B bit 8
ピン 12 RPn10/RB9 — Remappable peripheral / GPIO port B bit 9
ピン 13 RPn11/RB10 — Remappable peripheral / GPIO port B bit 10
ピン 14 RPn12/RB11 — Remappable peripheral / GPIO port B bit 11
ピン 15 RPn13/RB12 — Remappable peripheral / GPIO port B bit 12
ピン 16 RPn14/RB13 — Remappable peripheral / GPIO port B bit 13
ピン 17 RPn15/RB14 — Remappable peripheral / GPIO port B bit 14
ピン 18 RPn16/RB15 — Remappable peripheral / GPIO port B bit 15
ピン 19 VSS — Ground reference
ピン 20 VDD — Positive supply 3.3V
ピン 21 AN0/RA0 — Analog input 0 / GPIO port A bit 0
ピン 22 AN1/RA1 — Analog input 1 / GPIO port A bit 1
ピン 23 AN2/RA2 — Analog input 2 / GPIO port A bit 2
ピン 24 AN3/RA3 — Analog input 3 / GPIO port A bit 3
ピン 25 AN4/RA4 — Analog input 4 / GPIO port A bit 4
ピン 26 AN5/RA5 — Analog input 5 / GPIO port A bit 5
ピン 27 AVSS — Analog ground
ピン 28 AVDD — Analog 3.3V supply
ピン 29 MCLR — Master clear reset (active low)
ピン 30 OSC1/RC12 — Crystal oscillator input / GPIO
ピン 31 OSC2/RC15 — Crystal oscillator output / GPIO
ピン 32 SOSCI/RC13 — Secondary oscillator input / GPIO
ピン 33 SOSCO/RC14 — Secondary oscillator output / GPIO
ピン 34 PGED1/AN6/RP17 — Programming data / Analog input 6 / remappable peripheral
ピン 35 PGEC1/AN7/RP18 — Programming clock / Analog input 7 / remappable peripheral
ピン 36 PGED2/AN8/RP19 — Programming data alt / Analog input 8 / remappable peripheral
ピン 37 PGEC2/AN9/RP20 — Programming clock alt / Analog input 9 / remappable peripheral
ピン 38 AN10/RP21 — Analog input 10 / remappable peripheral
ピン 39 AN11/RP22 — Analog input 11 / remappable peripheral
ピン 40 AN12/RP23 — Analog input 12 / remappable peripheral
ピン 41 AN13/RP24 — Analog input 13 / remappable peripheral
ピン 42 AN14/RP25 — Analog input 14 / remappable peripheral
ピン 43 AN15/RP26 — Analog input 15 / remappable peripheral
ピン 44 VDD — Positive supply 3.3V

主な用途

PIC24EP256MC204-E/ML の用途: 7 件s: BLDC / PMSM Motor Control, Automotive HVAC Blower Control, Industrial Servo Drives, E-Bike and Light Electric Vehicle Controllers, Solar Inverter / MPPT Stages, Drone ESC (Electronic Speed Controller), Appliance Motor Control (Washing Machines, Dishwashers).

🏭

BLDC / PMSM Motor Control

The PIC24EP256MC204-E/ML is purpose-built for Field-Oriented Control (FOC) of brushless DC and permanent-magnet synchronous motors. Its 6 high-resolution PWM outputs (7.14 ns edge resolution) drive a three-phase inverter at 20 kHz with 0-100% duty cycle while leaving CPU headroom. The 4 on-chip op-amps amplify shunt-resistor currents directly into the 10-bit 1.1 Msps ADC, closing the current loop inside a single 50 us PWM period. This integration cuts BOM cost by removing external current-sense amplifiers. The 256 KB Flash fits Microchip's MPLAB X generated FOC libraries with sensorless startup routines.

🚗

Automotive HVAC Blower Control

The AEC-Q100 qualified PIC24EP256MC204-E/ML with -40C to +125C operating range targets under-hood automotive HVAC blower and cooling fan applications. Its enhanced PWM module supports synchronous rectification and freewheeling modes that improve inverter efficiency by 3-5% over scalar control, reducing MOSFET thermal stress in sealed engine compartments. The dual CAN 2.0B controllers interface with the vehicle CAN bus for torque/speed commands, while the on-chip op-amps read phase currents without external amplifiers. QFN package withstands automotive vibration profiles when the exposed pad is soldered to a thermal via array.

🏭

Industrial Servo Drives

Industrial servo amplifiers and robotics joint controllers use the PIC24EP256MC204-E/ML for closed-loop position, velocity and current control. The Quadrature Encoder Interface (QEI) module directly reads incremental encoders up to 2 MHz with index pulse support, while the Peripheral Trigger Generator (PTG) synchronises ADC sampling to PWM edges for deterministic current measurement. The 32 KB SRAM accommodates large FOC lookup tables and observer state variables for sensorless startup. Extended temperature grade and 3.3V single-supply operation simplify cabinet integration alongside 24V industrial bus rails.

🚗

E-Bike and Light Electric Vehicle Controllers

Battery-powered e-bike traction controllers, scooter drives and small EV auxiliary pumps leverage the PIC24EP256MC204-E/ML to deliver smooth torque from low-RPM startup through high-speed cruising. Its 32 KB SRAM supports adaptive flux-weakening algorithms, while the USB 2.0 FS OTG interface enables firmware updates and CAN-bus diagnostics for dealer servicing. The 3.0-3.6V supply range aligns directly with a single Li-ion cell regulated rail. Operating efficiency above 95% in FOC mode extends battery range by 10-15% compared with six-step trapezoidal commutation on the same hardware.

⚡

Solar Inverter / MPPT Stages

Micro-inverters and string-inverter MPPT stages deploy the PIC24EP256MC204-E/ML as the primary control DSP for DC-DC boost and DC-AC inverter power stages. The high-resolution PWM with 7.14 ns edge placement is critical for synchronous-rectifier dead-time control in 100 kHz hard-switched topologies, while dual CAN or UART links report telemetry to the system controller. Its 256 KB Flash holds MPPT (Perturb & Observe or Incremental Conductance) plus grid-synchronisation code, and the AEC-Q100 grade qualifies designs for outdoor PV combiner boxes operating from -40C to +125C ambient.

✈️

Drone ESC (Electronic Speed Controller)

Multirotor drone ESCs use the PIC24EP256MC204-E/ML to drive four or six BLDC motors at 24-48 kHz PWM with active freewheeling, achieving ultra-low torque ripple essential for stable flight control. The 60 MIPS throughput executes sinusoidal FOC plus RPM-filter state estimation within 12 us loop periods, leaving CPU time for DShot/OneShot protocol decoding on UART. The small 8x8 mm QFN footprint suits compact 20-30 A ESC PCBs, and its 125C junction rating tolerates high-current bursts at low air pressure. Dual CAN or UART enables ESC telemetry back to the flight controller.

🏭

Appliance Motor Control (Washing Machines, Dishwashers)

White-goods direct-drive washing-machine and dishwasher motor controllers use the PIC24EP256MC204-E/ML to replace traditional AC induction motor starters with variable-frequency inverter drives, achieving 20-30% energy savings under partial load. The 256 KB Flash holds full FOC plus vibration-detection and unbalanced-load compensation algorithms, while the 4 op-amps sense both motor phase currents and AC-mains voltage for power-factor correction. The -40C to +125C grade and QFN package withstand the high-humidity, high-vibration environment of laundry appliance cabinets, with the exposed pad conducting heat to a copper pour heatsink.

What is the maximum operating frequency of PIC24EP256MC204-E/ML?
The PIC24EP256MC204-E/ML executes up to 60 MIPS at its automotive -40C to +125C operating grade, derived from a 60 MHz peripheral clock with a 4 MHz instruction cycle divider. The -I temperature grade PIC24EP256MC204-I/ML variant runs at 70 MIPS at -40C to +85C, and shares the same 44-QFN 8x8 mm footprint for drop-in replacement where lower ambient temperatures apply. Per Microchip's PIC24EP family datasheet, the E grade is throttled to 60 MIPS to meet automotive thermal derating.
How much Flash and SRAM does the PIC24EP256MC204-E/ML have?
The PIC24EP256MC204-E/ML integrates 256 KB of Flash program memory organised as 85.5K 24-bit instruction words, plus 32 KB of on-chip SRAM for data. According to the Microchip PIC24EP256MC204 datasheet, the Flash supports 10,000 erase/write cycles minimum and the SRAM is byte-addressable with parity-less ECC on selected banks. This memory mix is well-suited for FOC motor-control firmware with lookup tables and adaptive gain scheduling.
Is PIC24EP256MC204-E/ML AEC-Q100 qualified for automotive use?
Yes, the -E suffix in PIC24EP256MC204-E/ML denotes the enhanced automotive operating range of -40C to +125C and AEC-Q100 qualification. Microchip product documentation lists this part as suitable for under-hood automotive motor control such as HVAC blowers, water pumps, and electric auxiliary drives. Compared with the -I industrial grade, the -E variant trades 10 MIPS of headroom for a wider thermal envelope.
Where can I download the PIC24EP256MC204-E/ML datasheet PDF?
The official PIC24EP256MC204-E/ML datasheet is published on the Microchip product page at https://www.microchip.com/en-us/product/PIC24EP256MC204, where the family datasheet covers the entire PIC24EP256MC20x sub-family including the -E/ML variant. The document is approximately 500+ pages and includes electrical characteristics, pinout for the 44-QFN package, instruction set reference and peripheral configuration. Distributors such as DigiKey, Mouser and LCSC also host mirrored copies under their product detail pages.
What is the package and pin count of PIC24EP256MC204-E/ML?
The PIC24EP256MC204-E/ML comes in a 44-pin QFN package with an exposed thermal pad, measuring 8x8 mm, designated /ML in Microchip's package code. The exposed pad must be soldered to a via-array thermal copper pour for adequate heat extraction in continuous-PWM applications. Pin 1 is located at the top-left dot marker following standard QFN counter-clockwise numbering, with PWM outputs, ADC inputs and CAN bus pins routed to specific assignments detailed in the family datasheet pinout table.
Where to buy PIC24EP256MC204-E/ML online at the best price?
As of 2026-09-29, the PIC24EP256MC204-E/ML is in stock at authorised distributors including DigiKey (3872599), Mouser, LCSC (C642390, from $1.83 in reel quantities) and Octopart aggregates 7 distributors with real-time pricing. For prototype quantities (1-10 pcs) DigiKey unit pricing sits near $8.42; for production volumes above 1,000 pcs, LCSC and Avnet typically offer 30-40% lower pricing. Always verify the -E/ML temperature suffix when ordering; the -I/ML industrial grade is a separate line item.
What is the lead time for PIC24EP256MC204-E/ML orders?
As of 2026-09-29, distributor DigiKey shows the PIC24EP256MC204-E/ML as 'ships today' for in-stock reel quantities with no minimum order quantity, while LCSC, Mouser and Avnet list factory stock with 6-12 week lead times on bulk volumes above 5,000 pcs. Microchip direct factory orders typically require 12-16 weeks for non-stock part numbers. For automotive Tier-1 programs, contact your Microchip FAE for PPAP documentation and reserved wafer-bank inventory.
PIC24EP256MC204-E/ML vs PIC24EP256MC204-I/ML - which should I choose?
Choose PIC24EP256MC204-E/ML for automotive and harsh-environment applications operating from -40C to +125C with AEC-Q100 documentation, where the device is rated at 60 MIPS. Choose PIC24EP256MC204-I/ML for industrial and consumer applications from -40C to +85C where you can leverage the full 70 MIPS performance. Both share the identical 44-QFN 8x8 mm footprint and pinout, making them drop-in compatible. Per the Microchip datasheet, the firmware image is binary-identical between the two grades - only the silicon speed bin changes.
What is the best drop-in replacement for PIC24EP256MC204-E/ML?
The best drop-in replacement for PIC24EP256MC204-E/ML is PIC24EP256MC204-I/ML from the same PIC24EP256MC204 family, which shares the 44-QFN 8x8 mm package and identical pinout but runs at 70 MIPS over the -40C to +85C industrial range. For applications needing identical -40C to +125C operation, no cross-brand drop-in exists in the verified data. Microchip's PIC24EP256MC206 with 64-pin QFN offers more I/O but is footprint-incompatible and would require PCB rework.
Can PIC24EP256MC202-E/SP replace PIC24EP256MC204-E/ML?
No, PIC24EP256MC202-E/SP is not a drop-in replacement for PIC24EP256MC204-E/ML despite both being Microchip 16-bit motor-control DSCs. The -E/SP variant ships in a 28-pin SPDIP package with a fundamentally different pinout, lacks the exposed pad and exposes fewer peripherals; it cannot be soldered onto the 44-QFN land pattern. However, PIC24EP256MC202-E/SP is functionally compatible at the firmware level, requiring only peripheral pin remapping in MPLAB X IDE.
What is the best cross-brand equivalent for PIC24EP256MC204-E/ML?
There is no direct cross-brand drop-in equivalent for PIC24EP256MC204-E/ML in the same 44-QFN 8x8 mm footprint. Cross-brand alternatives such as Texas Instruments TMS320F28035PNT, STMicroelectronics STM32F103CBT6 or NXP MKV46F256VLH16 differ in package, pinout or core architecture and require PCB rework and significant firmware migration. The Microchip family-internal drop-in paths (PIC24EP256MC204-I/ML and other 44-QFN -ML suffix parts) remain the lowest-risk replacements.
Is PIC24EP256MC204-E/ML suitable for FOC motor control?
Yes, the PIC24EP256MC204-E/ML is purpose-built for Field-Oriented Control (FOC) of three-phase BLDC and PMSM motors. It integrates 6 PWM channels with 7.14 ns edge resolution, 4 on-chip op-amps for current shunt amplification, a 1.1 Msps ADC and dedicated quadrature encoder interfaces. The dsPIC DSP engine executes the Park/Clarke transforms and PI loops inside a single 16.67 us PWM period at 60 MHz core clock, well within the latency budget of a 20 kHz switching frequency inverter.
How does PIC24EP256MC204-E/ML compare to PIC24EP128MC204-E/ML?
PIC24EP256MC204-E/ML has 256 KB Flash and 32 KB SRAM, while PIC24EP128MC204-E/ML offers 128 KB Flash and 16 KB SRAM. Both share the identical 44-QFN 8x8 mm package, same 60 MIPS performance at the -E temperature grade, identical peripheral set, and pin-to-pin compatible footprints. Per the Microchip family datasheet, the PIC24EP128 variant is the lower-memory drop-in alternative when the application fits in 128 KB of code.
What are the key specifications engineers should know about PIC24EP256MC204-E/ML?
The PIC24EP256MC204-E/ML is a 16-bit DSC delivering 60 MIPS at -40C to +125C in a 44-QFN 8x8 mm package, with 256 KB Flash, 32 KB SRAM, 6 PWM channels (7.14 ns resolution), a 10-bit 1.1 Msps ADC with 16 inputs, 4 op-amps, dual CAN 2.0B, USB 2.0 FS OTG, and AEC-Q100 automotive qualification. According to the Microchip PIC24EP256MC204 datasheet, the device targets sensorless and sensored FOC motor control in automotive and industrial applications, integrating the current-sense signal chain on-chip to reduce BOM cost.
What programming tools support PIC24EP256MC204-E/ML?
The PIC24EP256MC204-E/ML is supported by Microchip's MPLAB X IDE (free), MPLAB XC16 compiler (free and PRO tiers), and debugged via PICkit 3, PICkit 4, MPLAB ICD 4 or MPLAB Snap programmers. Motor-control-specific firmware is accelerated by Microchip's MPLAB Code Configurator (MCC) and the dsPIC33/PIC24E Motor Control Library, which provides FOC, scalar V/Hz and sensorless BLDC reference algorithms. Real-time trace is available via MPLAB ICD 4 with the JTAG interface exposed on dedicated debug pins.

エンジニアリング参考データ: PIC24EP256MC204-E/ML — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the PIC24EP256MC204-E/ML when designing automotive or industrial motor-control firmware that requires AEC-Q100 qualification (-40C to +125C) and on-chip op-amps for current sensing, and you have a 256 KB Flash budget for FOC algorithms. Select PIC24EP256MC204-I/ML instead if your application runs only to +85C ambient and you want 70 MIPS throughput. Select PIC24EP128MC204-E/ML when your code fits in 128 KB Flash (cost reduction of ~$1 per unit in volume) and you still need motor-control peripherals. Select PIC24EP256GP204-I/ML only for non-motor 16-bit MCU applications in the same package, accepting the loss of PWM and op-amp peripherals.

代替品との比較

パラメータ この製品 PIC24EP256MC204-I/ML PIC24EP256GP204-I/ML PIC24EP256GP204T-I/ML PIC24EP128MC204-E/ML PIC24EP128GP204-E/PT PIC24EP128GP204T-I/TL
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 44-QFN (8x8 mm) 44-QFN (8x8 mm) - same 44-QFN (8x8 mm) - same 44-QFN (8x8 mm) - same 44-QFN (8x8 mm) - same 44-QFN (8x8 mm) - same 44-QFN (8x8 mm) - same
Flash Memory 256 KB 256 KB 256 KB 256 KB 128 KB 128 KB 128 KB
SRAM 32 KB 32 KB 32 KB 32 KB 16 KB 16 KB 16 KB
Max Frequency 60 MIPS 70 MIPS 70 MIPS 70 MIPS 60 MIPS 70 MIPS 70 MIPS
Operating Temperature -40C to +125C -40C to +85C -40C to +85C -40C to +85C -40C to +125C -40C to +125C -40C to +85C
AEC-Q100 Yes No No No Yes Yes No
Motor-Control PWM Yes (6 ch, 7.14 ns) Yes No (GP family) No (GP family) Yes No (GP family) No (GP family)
On-chip Op-Amps 4 4 0 0 4 0 0

主な差別化要因

  • AEC-Q100 qualified at 60 MIPS for automotive motor control (vs PIC24EP256MC204-I/ML)
  • On-chip operational amplifiers for current sensing (vs PIC24EP256GP204-I/ML)
  • High-resolution 7.14 ns PWM for precision motor drive (vs PIC24EP128GP204-E/PT)

設計ノート

The 44-QFN 8x8 mm package exposes a thermal pad beneath the IC that must be soldered to a 5x5 via-array thermal copper pour (typical 0.3 mm via diameter on 0.8 mm pitch) for heat extraction. At 60 MIPS and 3.3V supply, typical core dissipation is 80-100 mW; in continuous PWM switching applications with the on-chip op-amps active, total package dissipation can reach 250-350 mW. Without the thermal pad soldered to the PCB copper, junction temperature can exceed 125C and trigger thermal shutdown. Estimated: theta_JA of 28 C/W on a 4-layer JEDEC test board, allowing 250 mW dissipation at 25C ambient.

Place 100 nF decoupling ceramic capacitors as close as physically possible to every VDD/VSS pin pair (pins 6/5, 20/19, 28/27, 44/GND), plus a single 10 uF bulk capacitor near the package. The AVDD/AVSS analog supply pins (28/27) should be filtered with a 10 ohm ferrite bead and 100 nF + 10 uF capacitor network to keep ADC sampling noise below 1 LSB. Power-up sequencing is not required as VDD and AVDD can rise together, but the MCLR pin must be held low until VDD reaches its operating range to avoid spurious code execution.

Route the PWM output traces (PWM1H/L through PWM3H/L) as short matched-length differential pairs to the gate driver, keeping them away from analog signal traces. The CAN bus traces require 120 ohm termination at each end of the bus segment, with the optional split-termination capacitor (4.7 nF) on each CANH/CANL pair to reduce common-mode emissions. The USB D+/D- traces must be 90 ohm differential with length matching within 150 mil; route over a continuous ground plane and avoid vias.

Keep the analog signal traces (AN0-AN15 for current-shunt amplifier outputs) within a guard-ring of ground copper, and route them perpendicular to digital switching traces. The crystal oscillator traces (OSC1/OSC2) should be kept under 5 mm total length with a ground copper shield, and the load capacitors placed within 2 mm of the IC pins. Position the programming/debug header (PGED1/PGEC1) at the board edge to allow in-circuit programming without removing the heatsink.

Do not confuse PIC24EP256MC204-E/ML (44-QFN automotive grade, 60 MIPS) with PIC24EP256MC204-I/ML (44-QFN industrial grade, 70 MIPS) or PIC24EP256MC204-E/PT (44-TQFP, different footprint). All three share the same silicon die but only the /ML suffix is the 44-QFN 8x8 mm land pattern - the /PT variant requires a 44-TQFP footprint that is NOT drop-in compatible. Also verify the on-chip op-amp gain-setting resistor values match the shunt-current range; misconfigured op-amp feedback will saturate the ADC and break the FOC current loop.

コンプライアンス情報

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
鉛フリー
Yes
ハロゲンフリー
Unknown
紛争鉱物
Compliant

AEC-Q100 qualified per Microchip product page. RoHS and REACH compliant per DigiKey and Mouser listings. Halogen-free status not explicitly stated in provided web data - set to unknown.

データ検証日: 2026-09-29 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

PIC24EP256MC204-E/ML PIC24EP256MC204-E/ML datasheet Microchip PIC24EP256MC204-E/ML 44-pin QFN 16-bit motor control MCU AEC-Q100 DSC automotive dsPIC FOC motor controller 60 MIPS PIC24EP256MC204-E/ML vs PIC24EP256MC204-I/ML PIC24EP256MC204-E/ML drop-in replacement buy PIC24EP256MC204-E/ML PIC24EP256MC204-E/ML BLDC FOC library 44-QFN PIC24EP pinout what is DSC motor control microcontroller dsPIC30F to PIC24EP migration PIC24EP inverter price distributor how to program PIC24EP256MC204-E/ML

関連部品&用語

Microchip Technology PIC24EP256MC204 PIC24EP256MC204-E/ML PIC24EP256MC204-I/ML PIC24EP128MC204-E/ML PIC24EP256GP204-I/ML dsPIC Digital Signal Controller DSC 16-bit microcontroller Motor Control MCU Field-Oriented Control FOC BLDC PMSM QFN package 44-QFN 8x8 mm QFN AEC-Q100 RoHS REACH PWM 7.14 ns PWM resolution Quadrature Encoder Interface MPLAB X IDE XC16 compiler
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