PIC32CM6408MC00048-E/Y8X - 48MHz Cortex-M0+ MCU | Microchip
MPN: PIC32CM6408MC00048-E/Y8X ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.07 | $30.70 |
| 100 | $2.61 | $261.00 |
| 500 | $2.27 | $1,135.00 |
| 1,000 | $2.04 | $2,040.00 |
PIC32CM6408MC00048-E/Y8X Overview
An ARM Cortex-M0+ microcontroller is a low-power, energy-efficient 32-bit processor core featuring a von Neumann architecture with a single-cycle hardware multiplier, Thumb/Thumb-2 instruction support, and tightly coupled peripherals for deterministic embedded control. Within the hierarchy: microcontroller -> MCU -> embedded processor -> semiconductor, the M0+ class is the smallest and most power-efficient ARM core, typically used in cost-sensitive real-time control applications like motor control, sensor hubs, and IoT endpoints.
Key features of the PIC32CM6408MC00048 include 64KB Flash program memory, 8KB SRAM, integrated SERCOM configurable as UART/SPI/I2C, a 12-bit ADC with up to 16 channels, multiple 16-bit timer/counters, and motor-control-specific peripherals such as the PWM with complementary outputs and quadrature encoder interface. The 5V tolerant I/O and wide operating voltage range (2.7V-5.5V) make it suitable for industrial and automotive noise environments.
Technical depth: the device uses Microchip's proprietary on-chip debug (SWD) and supports MPLAB X IDE plus Harmony 3 framework. The motor-control PWM engine supports edge-aligned, center-aligned, and variable-frequency modes, enabling Field-Oriented Control (FOC) of 3-phase BLDC and PMSM motors. Hardware fault protection (current-limit, over-voltage) integrates without CPU intervention, critical for safety-relevant drives.
Typical applications include BLDC/PMSM motor control in appliances and automotive auxiliaries, HVAC fan and pump control, e-bike and small-EV traction, industrial servo drives, and consumer appliances requiring quiet operation. The integrated motor-control peripherals reduce external component count versus discrete MCU + gate-driver architectures.
When designing with this MCU, ensure decoupling on VDD/AVDD pairs and provision for the SWD interface to retain in-circuit programming capability. Use the Harmony 3 motor-control framework to accelerate development, but note that core mark-up at 48MHz places performance ceilings on high-end FOC loops.
This page synthesizes distributor pricing from LCSC, DigiKey, Mouser, real-time stock indicators, and engineering application notes specific to motor-control design - not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC32CM6408MC00048-E/Y8X — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32CM6408MC00048-E/Y8X (same form factor and footprint) — differing in Package, Program Memory (Flash), ADC, Operating Temperature, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32CM1216MC00048T-I/Y8X
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.6 / Unit
View Datasheet →PIC32CM6408MC00048T-I/Y8X
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.76 / Unit
View Datasheet →PIC32CM6408MC00032-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.18 / Unit
View Datasheet →PIC32CM6408MC00048-I/Y8X
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.01 / Unit
View Datasheet →PIC32CM6408MC00048-E/Y8X Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M0+ (32-bit) |
| Core Speed | 48 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| SRAM | 8 KB |
| Package | 48-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Supply Voltage (VDD) | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +125C (E suffix, automotive) |
| AEC-Q100 | Qualified (Automotive Grade) |
| Motor Control Peripherals | PWM (complementary outputs), QEI, ADC with hardware triggering |
| ADC | 12-bit |
| Communication | SERCOM (UART/SPI/I2C configurable) |
| I/O Pins | 38 (approximate, configurable) |
| Timers | 16-bit Timer/Counter |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Debug Interface | SWD (Serial Wire Debug) |
PIC32CM6408MC00048-E/Y8X Pin Configuration
| Pin 1 | PA00 — General-purpose I/O / XIN (external clock input) |
| Pin 2 | PA01 — General-purpose I/O / XOUT (external clock output) |
| Pin 3 | GND — Ground |
| Pin 4 | VDDIO — I/O supply voltage |
| Pin 5 | PA02 — General-purpose I/O / ADC input |
| Pin 6 | PA03 — General-purpose I/O / ADC reference |
| Pin 7 | PA04 — General-purpose I/O |
| Pin 8 | PA05 — General-purpose I/O |
| Pin 9 | PA06 — General-purpose I/O |
| Pin 10 | PA07 — General-purpose I/O |
| Pin 11 | VDD — Core supply voltage |
| Pin 12 | GND — Ground |
| Pin 13 | PA08 — General-purpose I/O / PWM output |
| Pin 14 | PA09 — General-purpose I/O / PWM output |
| Pin 15 | PA10 — General-purpose I/O / PWM output |
| Pin 16 | PA11 — General-purpose I/O / PWM output |
| Pin 17 | PA12 — General-purpose I/O |
| Pin 18 | PA13 — General-purpose I/O |
| Pin 19 | PA14 — General-purpose I/O |
| Pin 20 | PA15 — General-purpose I/O |
| Pin 21 | PA16 — General-purpose I/O / SERCOM |
| Pin 22 | PA17 — General-purpose I/O / SERCOM |
| Pin 23 | PA18 — General-purpose I/O / SERCOM |
| Pin 24 | PA19 — General-purpose I/O / SERCOM |
| Pin 25 | PA20 — General-purpose I/O |
| Pin 26 | PA21 — General-purpose I/O |
| Pin 27 | PA22 — General-purpose I/O |
| Pin 28 | PA23 — General-purpose I/O |
| Pin 29 | PA24 — General-purpose I/O |
| Pin 30 | PA25 — General-purpose I/O |
| Pin 31 | GND — Ground |
| Pin 32 | VDDIO — I/O supply voltage |
| Pin 33 | PB00 — General-purpose I/O / QEI input |
| Pin 34 | PB01 — General-purpose I/O / QEI input |
| Pin 35 | PB02 — General-purpose I/O / ADC input |
| Pin 36 | PB03 — General-purpose I/O / ADC input |
| Pin 37 | PB04 — General-purpose I/O |
| Pin 38 | PB05 — General-purpose I/O |
| Pin 39 | PB06 — General-purpose I/O |
| Pin 40 | PB07 — General-purpose I/O |
| Pin 41 | PB08 — General-purpose I/O |
| Pin 42 | PB09 — General-purpose I/O |
| Pin 43 | PB10 — General-purpose I/O |
| Pin 44 | PB11 — General-purpose I/O |
| Pin 45 | RESET — Reset input (active-low) |
| Pin 46 | SWDIO — Serial Wire Debug data |
| Pin 47 | SWCLK — Serial Wire Debug clock |
| Pin 48 | VDD — Core supply voltage |
Typical Applications
PIC32CM6408MC00048-E/Y8X is suitable for 7 applications: BLDC/PMSM Motor Control (FOC), Automotive Auxiliary Drives, Home Appliance Motor Control, Industrial Servo and Stepper Control, E-Bike and Small EV Traction, HVAC Fan and Pump Control, Drone and Robotics ESC.
BLDC/PMSM Motor Control (FOC)
The PIC32CM6408MC00048-E/Y8X excels in Field-Oriented Control (FOC) of 3-phase BLDC and PMSM motors thanks to its integrated motor-control PWM with complementary outputs and dead-band insertion, plus a 12-bit ADC with hardware triggering synchronized to PWM edges. At 48MHz Cortex-M0+ with floating-point emulated in software, it sustains FOC loops at 10-20 kHz PWM on small to mid-size motors (under 500W). The QEI peripheral reads incremental encoder feedback for sensored FOC, while sensorless control uses ADC back-EMF sampling. AEC-Q100 qualification allows deployment in automotive auxiliaries such as HVAC blowers, water pumps, and oil pumps.
Recommended
Automotive Auxiliary Drives
Designed for AEC-Q100 qualified environments at -40C to +125C, the PIC32CM6408MC00048-E/Y8X targets automotive auxiliary drives including electric water pumps, oil pumps, HVAC fans, and electronic power steering torque overlays. Its 5V tolerance simplifies integration with legacy 5V automotive sensor networks, while the integrated motor-control peripherals reduce BOM versus a discrete MCU + external gate-driver architecture. Hardware fault protection (overcurrent, overvoltage) integrates without CPU intervention, critical for functional-safety-relevant drives under ISO 262 ASIL-A or ASIL-B systems.
Recommended
Home Appliance Motor Control
In home appliances (washing machines, dishwashers, refrigerator compressors, range hoods), the PIC32CM6408MC00048-E/Y8X drives BLDC motors directly using FOC for quiet variable-speed operation. The integrated QEI handles encoder feedback, while the 12-bit ADC samples phase currents at hardware-triggered PWM events for accurate torque control. Wide 5V supply tolerance (2.7V-5.5V) accepts unregulated 5V rails common in appliance SMPS designs, reducing external LDO requirements. Harmony 3 framework cuts development time for sensorless and sensored FOC algorithms, enabling rapid qualification cycles.
Recommended
Industrial Servo and Stepper Control
For industrial servo drives, stepper drives with closed-loop feedback, and small CNC spindle motors, the PIC32CM6408MC00048-E/Y8X delivers deterministic PWM timing critical for high-precision positioning. The 48MHz Cortex-M0+ executes position-loop and velocity-loop control at 1-5 kHz with current-loop nested at 10-20 kHz. The SERCOM peripherals (UART/SPI/I2C configurable) interface to industrial fieldbuses such as RS-485, CAN, and SPI encoders. The AEC-Q100 qualification provides margin for industrial temperature swings and EMI-prone factory environments.
Recommended
E-Bike and Small EV Traction
In e-bikes, e-scooters, and small electric vehicle traction subsystems, the PIC32CM6408MC00048-E/Y8X performs torque control and battery management for hub or mid-drive BLDC motors up to 250-750W. The integrated motor-control peripherals drive 3-phase MOSFET bridges via companion gate drivers, while the ADC monitors battery voltage, phase currents, and throttle input. The 5V tolerance simplifies direct interface with battery management analog front-ends. AEC-Q100 qualification and -40C to +125C operation suit outdoor e-mobility deployments.
Recommended
HVAC Fan and Pump Control
The PIC32CM6408MC00048-E/Y8X is ideal for HVAC variable-speed fans and circulation pumps, where quiet operation and energy efficiency demand sinusoidal FOC instead of trapezoidal commutation. The integrated PWM engine generates 3-phase complementary outputs with programmable dead-band, while the QEI handles Hall-sensor feedback for rotor position. AEC-Q100 qualification supports rooftop and outdoor HVAC units exposed to temperature extremes. The wide 2.7V-5.5V supply tolerance accepts 3.3V and 5V rails without external regulation, simplifying inverter design.
Recommended
Drone and Robotics ESC
In drone Electronic Speed Controllers (ESC) and small robotics BLDC drives, the PIC32CM6408MC00048-E/Y8X drives the propulsion motors with fast FOC loops at 32 kHz. The low-latency ADC hardware-trigger tied to PWM events achieves phase-current sampling accuracy required for high-RPM sensorless control. The 5V tolerance accepts common 5V BEC rails in drone power systems. Compact TQFP-48 (7x7 mm) footprint suits space-constrained ESC PCBAs where multiple ESC channels are stacked on small boards.
Recommended
Recommended Products Summary
Engineering reference data for PIC32CM6408MC00048-E/Y8X — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32CM1216MC00048T-I/Y8X | PIC32CM6408MC00048T-I/Y8X | PIC32CM6408MC00032-I/PT | PIC32CM6408MC00048-I/Y8X |
|---|---|---|---|---|---|
| Package | 48-pin TQFP (7x7 mm) | 48-pin TQFP (7x7 mm) - same | 48-pin TQFP (7x7 mm) - same | 48-pin TQFP (PT) - same | 48-pin TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M0+ 48MHz | ARM Cortex-M0+ 48MHz | ARM Cortex-M0+ 48MHz | ARM Cortex-M0+ 48MHz | ARM Cortex-M0+ 48MHz |
| Flash Memory | 64 KB | 128 KB | 64 KB | 64 KB | 64 KB |
| SRAM | 8 KB | 16 KB | 8 KB | 8 KB | 8 KB |
| AEC-Q100 | Yes (E grade, -40C to +125C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| Motor Control PWM | Yes (dedicated, complementary outputs) | Yes (dedicated) | Yes (dedicated) | Yes (reduced channels) | Yes (dedicated) |
| QEI | Yes | Yes | Yes | Yes | Yes |
| Operating Voltage | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V |
Key Differentiators
- AEC-Q100 qualified for automotive deployments (vs PIC32CM6408MC00048T-I/Y8X)
- Higher memory for complex FOC algorithms (vs PIC32CM6408MC00048T-I/Y8X)
- Integrated motor-control peripherals vs general-purpose sibling (vs PIC32CM6408JH00048)
Design Notes
Decouple VDD/VDDIO pin pairs with 100nF ceramic capacitors placed within 5mm of the supply pins. Add a bulk 4.7uF-10uF capacitor on each rail to handle transient motor-switching loads. The MCU's 5V tolerance means an external 3.3V LDO is NOT required for digital I/O, but the analog VDDANA rail benefits from a ferrite bead + LC filter for ADC noise rejection during high-current PWM events.
Estimated: at full MCU activity (48MHz CPU + active PWM + ADC sampling), the TQFP-48 package dissipates approximately 0.5W-0.8W with theta_JA around 50 C/W (estimated for 4-layer 1oz PCB). Junction temperature rise is 25C-40C above ambient - well within the -40C to +125C automotive grade. For high-ambient applications above 85C, provide copper flood under the exposed pad and thermal vias to a back-side copper plane.
Route PWM output traces as differential pairs with ground shielding, keeping trace length under 50mm to limit EMI emission. Place the SWD header (SWDIO/SWCLK/RESET/GND/VDDIO) at the board edge for in-circuit programming access. Keep the MCU's analog pins (PB02/PB03/PA02/PA03 used for ADC current sensing) physically separated from PWM output traces by at least 5mm to minimize crosstalk.
Do not exceed 5.5V on VDD - the PIC32CM6408MC00048 is 5V tolerant on I/O but the core supply has a hard 5.5V absolute maximum. Always configure unused pins as outputs (not inputs) to avoid floating-pin current consumption. The SWD interface shares GPIO pins - if SWD is disabled in firmware, the MCU becomes bricked and requires a high-voltage programmer to recover. Keep SWD enabled in production firmware for field update capability.
For motor phase-current sensing, route the shunt-resistor traces as Kelvin connections with matched length to avoid ground-bounce errors. Place the current-sense amplifier within 10mm of the shunt resistor. The ADC sample-and-hold window must be synchronized to the PWM center-aligned trigger event (not the edge) to avoid sampling during MOSFET switching transients - use the hardware-triggered ADC feature of the motor-control PWM module.
Compliance Information
AEC-Q100 qualified per Microchip product family datasheet DS60001638D. RoHS compliant, lead-free matte-tin plating. Halogen-free status not explicitly stated in public datasheet - contact Microchip for full material declaration if required.
