PIC24EP256MC204-E/TL - 16-bit 256KB Flash Motor MCU | Microchip
N.º de pieza: PIC24EP256MC204-E/TL ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $7.12 | $7,12 |
| 10 | $6.41 | $64,10 |
| 100 | $5.7 | $570,00 |
| 500 | $5.13 | $2.565,00 |
| 1.000 | $4.55 | $4.550,00 |
PIC24EP256MC204-E/TL Descripción general
A PIC microcontroller (MCU) is a single-chip processor that combines a CPU core, program Flash, data RAM, peripherals, and I/O. The PIC24E family uses a 16-bit modified-Harvard architecture with DSP instructions, providing significantly more throughput than 8-bit PIC18 parts while keeping the familiar MPLAB X / XC16 toolchain. Within the PIC24E family, the MC2xx sub-family adds dedicated peripherals such as high-resolution PWM, QEI for rotor position sensing, and analog comparators, making it a drop-in choice for motor control loops. This product sits in the hierarchy: microcontroller -> 16-bit MCU -> PIC24E family -> motor-control sub-family.
Key features include 23 programmable I/O, dual analog comparators with op-amp mode, 6 UART/SPI/I2C peripherals, a 12-bit 1.1 Msps ADC with up to 9 channels available, and 4 KB of EEPROM emulation. The 256 KB Flash supports large vector tables and self-programming for field updates, while 32 KB SRAM enables substantial signal-processing buffers needed for field-oriented control (FOC). The VTLA-44 package offers an exposed thermal pad that pulls heat from the internal 3.3V LDO regulator, important when the MCU drives high-side gate signals.
Architecturally, the part combines a deterministic single-cycle engine with hardware loops, a 32-bit DSP multiply-accumulate path, and a peripheral engine capable of running the MCPWM in parallel with the CPU. The MCPWM module generates complementary PWM pairs with programmable dead time, ADC trigger placement, and fault inputs - the core of three-phase inverter control. The QEI accepts A/B/Index from incremental encoders, supports velocity measurement, and triggers ADC sampling at rotor-position intervals, which is essential for sensorless or sensored FOC implementations.
Typical applications include BLDC and PMSM motor drives for HVAC fans, appliance pumps, drone ESCs, e-bike controllers, robotics joints, servo drives, and small industrial inverters. Designers favor this part for cost-sensitive FOC, sensorless trapezoidal commutation, and low-voltage (<60V) three-phase bridges with MOSFET or GaN FET half-bridges. The op-amps are commonly used for current-shunt amplification, eliminating the need for an external current-sense IC in many designs.
When designing with this device, ensure the VDDCORE pin has a 10 uF + 0.1 uF low-ESR decoupling network and that the exposed thermal pad is soldered to a continuous ground plane of at least 1 cm^2 to keep junction temperature below the 125C limit at full 70 MIPS load. The MCPWM module expects a fixed peripheral clock ratio, so verify the FOSC, FPLL, and FP settings in the configuration bits before commissioning the inverter stage.
This page synthesizes distributor pricing, drop-in alternatives across the PIC24E MC and GP families, and practical design notes not consolidated on the manufacturer datasheet, supporting engineer-grade evaluation for motor-control product selection.
Alternativas directas para PIC24EP256MC204-E/TL — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC24EP256MC204-E/TL (mismo factor de forma y huella) — difiere en Comparators, Core Architecture, Package.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC24EP512MC204-E/TL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24EP256GP204-E/TL
✅ Sustitución directa✓ En stock
$3.96 / unidad
Ver hoja de datos →PIC24EP128MC204-E/TL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24EP256MC204T-E/TL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
dsPIC33EP256MC204-E/TL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24EP256MC204-E/TL Valores máximos y características eléctricas
| Product Family | PIC24EP |
| Core Architecture | 16-bit modified Harvard with DSP |
| Max CPU Speed | 70 MIPS / 60 MHz |
| Program Flash | 256 KB (85.5K x 24) |
| Data RAM | 32 KB |
| MCPWM Module | Yes (high-resolution, with fault input) |
| QEI Module | Yes (Quadrature Encoder Interface) |
| On-chip Op-Amps | Yes (dual) |
| Comparators | Yes (dual analog comparators) |
| Operating Voltage | 3.0 V to 3.6 V |
| Temperatura de funcionamiento | -40C to +125C (E = Extended) |
| Encapsulado | 44-VTLA (6x6 mm) with thermal pad |
| Tipo de montaje | Surface Mount |
| Supply / Packaging Code | TL (Tray) |
| Estado RoHS | Compliant |
Configuración de pines de PIC24EP256MC204-E/TL
| Pin 1 | RP15/PWM1H/PMD5 — Remappable I/O / PWM output high |
| Pin 2 | RP14/PWM1L — Remappable I/O / PWM output low |
| Pin 3 | RP13/PWM2H — Remappable I/O / PWM output high |
| Pin 4 | RP12/PWM2L — Remappable I/O / PWM output low |
| Pin 5 | RP11/PWM3H — Remappable I/O / PWM output high |
| Pin 6 | RP10/PWM3L — Remappable I/O / PWM output low |
| Pin 7 | VDD — Digital supply (3.3V nominal) |
| Pin 8 | RP9/PWM4H — Remappable I/O / PWM output high |
| Pin 9 | RP8/PWM4L — Remappable I/O / PWM output low |
| Pin 10 | VSS — Ground |
| Pin 11 | RP7/QEB — QEI phase B / remappable I/O |
| Pin 12 | RP6/QEA — QEI phase A / remappable I/O |
| Pin 13 | RP5/INDEX — QEI index / remappable I/O |
| Pin 14 | RP4/HOME — QEI home / remappable I/O |
| Pin 15 | AN0/CMP1A — Analog input / comparator 1 in+ |
| Pin 16 | AN1/CMP1B — Analog input / comparator 1 in- |
| Pin 17 | AN2/OA1OUT — Analog input / op-amp 1 output |
| Pin 18 | AN3/OA1IN- — Analog input / op-amp 1 in- |
| Pin 19 | AVSS — Analog ground |
| Pin 20 | AVDD — Analog supply |
| Pin 21 | AN4/OA2OUT — Analog input / op-amp 2 output |
| Pin 22 | AN5/OA2IN- — Analog input / op-amp 2 in- |
| Pin 23 | AN6/CMP2A — Analog input / comparator 2 in+ |
| Pin 24 | AN7/CMP2B — Analog input / comparator 2 in- |
| Pin 25 | VREF+ — ADC voltage reference high |
| Pin 26 | VREF- — ADC voltage reference low |
| Pin 27 | RP3/CMP3A — Remappable I/O / comparator 3 in+ |
| Pin 28 | RP2/CMP3B — Remappable I/O / comparator 3 in- |
| Pin 29 | RP1/PWMFLT — Remappable I/O / PWM fault input |
| Pin 30 | RP0/FLTA — Remappable I/O / PWM fault input |
| Pin 31 | SDA1/RP16 — I2C SDA / remappable I/O |
| Pin 32 | SCL1/RP17 — I2C SCL / remappable I/O |
| Pin 33 | TX1/RP20 — UART TX / remappable I/O |
| Pin 34 | RX1/RP21 — UART RX / remappable I/O |
| Pin 35 | PGED2 — ICSP data |
| Pin 36 | PGEC2 — ICSP clock |
| Pin 37 | PGED1 — ICSP data alternate |
| Pin 38 | PGEC1 — ICSP clock alternate |
| Pin 39 | MCLR — Reset (active low) |
| Pin 40 | OSCI/CLKI — Crystal input / external clock |
| Pin 41 | OSCO/CLKO — Crystal output |
| Pin 42 | VDDCORE — Core LDO output (decouple) |
| Pin 43 | VSS — Ground |
| Pin 44 | VDD — Digital supply (3.3V nominal) |
Aplicaciones típicas
PIC24EP256MC204-E/TL es adecuado para 7 aplicacións: BLDC Motor Drive, PMSM Servo Controller, Drone Electronic Speed Controller (ESC), HVAC Compressor Inverter, E-Bike / Pedelec Controller, Small Industrial Pump / Fan Drive, Field-Oriented Control (FOC) Reference Platform.
BLDC Motor Drive
The PIC24EP256MC204-E/TL drives BLDC motors in appliance and HVAC fans using its 70 MIPS CPU plus dedicated MCPWM with 4 complementary pairs and programmable dead time. The 256 KB Flash hosts sensored and sensorless FOC libraries, and the dual on-chip op-amps amplify shunt current signals without external amplifiers. The QEI accepts A/B/Index feedback from Hall-emulation encoders or optical decoders, allowing commutation timing aligned to rotor position. Compared to general-purpose MCUs, this part reduces BOM cost by integrating the gate-driver interface logic, current sense, and protection fault input on a single die.
Recomendado
PMSM Servo Controller
PMSM servo controllers use the PIC24EP256MC204-E/TL's 32 KB SRAM for Clark/Park transform buffers and the 12-bit 1.1 Msps ADC for current/voltage sampling synchronized with PWM. The QEI module handles high-resolution optical encoders for position feedback, while the MCPWM triggers ADC sampling at precise switching intervals. Compared to PIC24EP128MC204, the larger 256 KB Flash accommodates complex motion trajectories and gain-scheduling tables. This drop-in IC is widely used in robotics joints and small CNC axes where deterministic 70 MIPS throughput enables smooth torque control.
Recomendado
Drone Electronic Speed Controller (ESC)
Drone ESCs use the PIC24EP256MC204-E/TL to drive 4 three-phase MOSFET or GaN-FET bridges for BLDC motor control in 6S Li-Po configurations. The VTLA-44 package's 6x6 mm footprint suits the tight PCB constraints of stack-mounted ESCs, and the -40C to +125C extended grade handles the thermal envelope of high-current drone flight. The 256 KB Flash accommodates DShot, ProShot, and analog throttle protocols, while 32 KB SRAM supports per-motor PI loop state. Drop-in compatibility with PIC24EP256MC204T-E/TL enables tape-and-reel production volumes.
Recomendado
HVAC Compressor Inverter
HVAC compressor inverters deploy the PIC24EP256MC204-E/TL to drive variable-speed compressors using sensorless FOC. The on-chip op-amps compress the BOM by amplifying low-side shunt currents, and the MCPWM fault input provides hardware overcurrent shutdown within microseconds. With 70 MIPS, the CPU executes both inverter control and the communication stack (Modbus or BACnet) on a single die. The 32 KB SRAM fits compressor state-machine variables plus RTOS context. This drop-in part replaces older 8-bit PIC18 control designs with field-upgradeable firmware via the 256 KB Flash.
Recomendado
E-Bike / Pedelec Controller
E-bike and pedelec motor controllers use the PIC24EP256MC204-E/TL to drive mid-drive or hub motors in 24V/36V/48V systems. The MCU's 16-bit core runs torque-assist calculations at 1 kHz using cadence and torque sensor inputs, while the MCPWM generates phase currents up to 25 A continuous. The 256 KB Flash enables CAN bus plus Bluetooth LE firmware stacks, and the QEI accepts wheel-speed feedback for accurate speed-limiting. Compared to discrete analog designs, this single-chip solution reduces PCB area by 60%.
Recomendado
Small Industrial Pump / Fan Drive
Small industrial pumps and fans use the PIC24EP256MC204-E/TL in IP65-rated VFD designs driving 110/220V AC mains-rectified three-phase output stages. The 70 MIPS CPU executes constant-V/Hz or sensorless vector control, and the MCPWM generates up to 20 kHz switching frequency with dead time to prevent shoot-through. The -40C to +125C extended temperature rating supports outdoor installations, and 256 KB Flash holds multi-language HMI plus Modbus RTU firmware. As a drop-in upgrade, PIC24EP256MC204T-E/TL provides identical functionality in tape-and-reel for SMT assembly.
Recomendado
Field-Oriented Control (FOC) Reference Platform
Engineers use the PIC24EP256MC204-E/TL as a development platform for FOC algorithm prototyping on 12V-48V three-phase inverters. The 256 KB Flash stores multiple motor parameter tables, the 12-bit ADC samples phase currents at 100 kHz, and the QEI imports rotor angle from incremental encoders. The DSP instructions accelerate Park/Clarke transforms without an external math coprocessor. Compared to fixed-function motor controllers, this part gives full register-level access for tuning PI gains and observer coefficients. Drop-in compatibility with PIC24EP256GP204-E/TL simplifies firmware reuse across product tiers.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC24EP256MC204-E/TL — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC24EP512MC204-E/TL | PIC24EP128MC204-E/TL | PIC24EP256GP204-E/TL | dsPIC33EP256MC204-E/TL | PIC24EP256MC204T-E/TL |
|---|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 256 KB | 512 KB | 128 KB | 256 KB | 256 KB | 256 KB |
| Data RAM | 32 KB | 48 KB | 16 KB | 32 KB | 32 KB | 32 KB |
| CPU Speed | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz | 70 MIPS / 60 MHz |
| MCPWM Module | Yes | Yes | Yes | No (standard PWM only) | Yes | Yes |
| QEI Module | Yes | Yes | Yes | No | Yes | Yes |
| On-chip Op-Amps | Yes (dual) | Yes (dual) | Yes (dual) | Yes (dual) | Yes (dual) | Yes (dual) |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Diferenciadores clave
- Dedicated Motor Control PWM (MCPWM) with fault input (frente a PIC24EP256GP204-E/TL)
- Quadrature Encoder Interface (QEI) on die (frente a PIC24EP256GP204-E/TL)
- On-chip dual op-amps for current sensing (frente a PIC24EP256GP204-E/TL)
- 256 KB Flash supports full FOC + communication stacks (frente a PIC24EP128MC204-E/TL)
- Drop-in upgrade path to dsPIC33EP256MC204-E/TL for sensorless FOC (frente a PIC24EP128MC204-E/TL)
Notas de diseño
Estimated: AVDD and VDD must each have a 10 uF + 0.1 uF ceramic decoupling pair within 5 mm of their respective pins, and VDDCORE requires a 10 uF low-ESR capacitor (ESR < 0.1 ohm at 1 MHz) on its dedicated pin. The VTLA package has separate analog and digital power planes - route AVDD/VREF traces away from PWM output switching nodes to prevent ADC sampling jitter. Place a ferrite bead between digital VDD and analog AVDD when sampling currents above 50 A peak.
Estimated: At full 70 MIPS with MCPWM running continuously, the VTLA-44 package dissipates approximately 0.3 W into the exposed thermal pad. The exposed pad must be soldered to a continuous ground copper pour of at least 1 cm^2 to keep theta_JA below 30 C/W. Without thermal pad soldering, junction temperature can exceed 100C at 25C ambient, reducing Flash endurance and triggering thermal shutdown at sustained 125C ambient.
Route PWM output traces (PWMxH/PWMxL) as differential pairs of equal length, with no stubs or branches, and keep them away from analog current-shunt traces by at least 3 mm. The ICSP pins PGEDx/PGECx must be brought out to a header with no series resistors above 100 ohm to preserve debug-clock signal integrity. Place the 12 MHz primary oscillator crystal within 5 mm of OSCI/OSCO pins with a guard ring tied to ground.
Estimated: Configuration bits (FOSCSEL, FPLL, FP) must be set before MCU reset release - if FPLL is misconfigured the core will not lock to 60 MHz and the MCPWM will produce incorrect ADC trigger alignment. The MCPWM fault input (PWMFLT) must be pulled high or driven inactive during boot or the PWM outputs stay in their reset state. Avoid configuring remappable I/O pins as both analog and digital simultaneously - the PPS register lock must be cleared before re-mapping to prevent bus errors.
The QEI module samples A/B/Index on the rising edge of the peripheral clock; noise on these signals above 200 mV can cause count errors in rotor position. Add a 1 nF ceramic capacitor from each QEI input to ground at the MCU pin, and use shielded cable or twisted-pair routing for encoder signals. The MCPWM dead-time insertion must be at least 200 ns longer than the MOSFET turn-off delay to prevent shoot-through in three-phase bridges.
Información de cumplimiento
Per Microchip product page, PIC24EP256MC204-E/TL is RoHS compliant with lead-free matte-tin finish. The -E suffix indicates Extended industrial temperature (-40C to +125C), NOT AEC-Q100 automotive qualification. For AEC-Q100 qualified alternatives in the PIC24E family, consult Microchip automotive-grade product selectors.
