PIC32CM1216MC00048-E/U5B - 128KB Flash Cortex-M0+ MCU | Microchip
MPN: PIC32CM1216MC00048-E/U5B ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.1 | $6.10 |
| 10 | $5.49 | $54.90 |
| 100 | $4.65 | $465.00 |
| 500 | $4.07 | $2,035.00 |
| 1,000 | $3.55 | $3,550.00 |
PIC32CM1216MC00048-E/U5B Overview
A 32-bit microcontroller (MCU) is an integrated circuit containing a processor core, program and data memory, and programmable peripherals on a single silicon die. The Cortex-M0+ core from Arm is the smallest and most energy-efficient member of the Cortex-M family, designed for deterministic real-time control with a 2-stage pipeline, Thumb/Thumb-2 instruction support, and a single-cycle hardware multiply. The PIC32CM MC family further extends the architecture with motor-control oriented peripherals such as dedicated PWM timers, high-speed analog comparators, and op-amps suitable for FOC (field-oriented control) and trapezoidal commutation. The PIC32CM MC family sits within Microchip's PIC32M family and shares its 5V-tolerant I/O heritage with the dsPIC33/PIC24 architectures.
Key features include 128 KB of Flash, 16 KB of SRAM, and a peripheral set including SERCOM-style serial interfaces, CAN-FD, LIN, and motor-control PWMs. The PIC32CM MC00 die is fabricated by UMC Fab 8N as an additional fabrication site per PCN documentation, and the device operates over a 2.7V to 5.5V supply. Communication peripherals typically include multiple SERCOM-style USART/SPI/I2C channels along with CAN-FD, and LIN hardware, plus a full-speed USB 2.0 device.
From an architecture perspective, the PIC32CM MC00 integrates the Cortex-M0+ core with Microchip's motor-control analog front-end (PWM timers, comparators, op-amps), enabling single-chip FOC motor control for BLDC, PMSM, and stepper motors. The -E (extended) suffix indicates the -40C to +125C operating temperature range suitable for underhood automotive and industrial applications.
Typical applications include BLDC/PMSM motor control in appliances and e-bikes, HVAC fan and pump control, automotive body and powertrain subsystems, industrial servo drives, and 5V industrial sensor hubs. The device's combination of 5V I/O tolerance and integrated analog simplifies the analog front-end design.
When designing with this part, ensure adequate decoupling near each VDD pin and provide a low-impedance ground return. The integrated op-amps and comparators need careful PCB layout for noise immunity - keep analog traces short and use a separate analog ground island where possible.
This page synthesizes distributor pricing, parametric comparison, and drop-in alternatives not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC32CM1216MC00048-E/U5B — 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 PIC32CM1216MC00048-E/U5B (same form factor and footprint) — differing in Package, Communication Peripherals, Operating Temperature, Core, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32CM1216MC00048-I/U5B
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32CM1216MC00048-I/U5B
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32CM1216MC00032T-E/RTB
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC32CM1216MC00032-E/RTB
✅ Drop-In✓ In Stock
$2.07 / Unit
View Datasheet →PIC32CM1216MC00048-E/U5B Maximum Ratings & Electrical Characteristics
| Core | Arm Cortex-M0+ 32-bit RISC |
| Core Count | Single-core |
| Maximum CPU Frequency | 48 MHz |
| Flash Memory | 128 KB (128K x 8) |
| SRAM | 16 KB |
| Operating Supply Voltage | 2.7 V to 5.5 V |
| I/O Voltage Tolerance | 5 V tolerant |
| Package | 48-pin VQFN (7x7 mm) |
| Operating Temperature | -40 C to +125 C (E grade) |
| Mounting Type | Surface Mount |
| Communication Peripherals | SERCOM, LIN, CAN-FD, USB 2.0 FS |
| Motor Control Peripherals | PWM timers, op-amps, comparators |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Temperature Grade | Extended (-E), -40 C to +125 C |
| Packaging Type | Tape & Reel (U5B suffix) |
PIC32CM1216MC00048-E/U5B 48-pin vqfn (7x7 mm) Pin Configuration Guide
Pin configuration for PIC32CM1216MC00048-E/U5B (48-pin vqfn (7x7 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC32CM1216MC00048-E/U5B.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32CM1216MC00048-E/U5B is suitable for 6 applications: BLDC / PMSM Motor Control (FOC), HVAC Fan and Pump Control, Automotive Body and Powertrain Subsystems, Industrial Servo and Stepper Drives, Smart Appliances (Washing Machines, Dishwashers, Refrigerators), 5V Industrial Sensor Hubs and IO-Link Masters.
BLDC / PMSM Motor Control (FOC)
The PIC32CM1216MC00048-E/U5B is purpose-built for FOC (field-oriented control) of BLDC and PMSM motors. The integrated motor-control peripherals - high-resolution PWM timers, fast comparators, and on-chip op-amps - allow current-sense amplification and over-current protection without external analog ICs. The 48 MHz Cortex-M0+ delivers enough MIPS for FOC loops at 20-40 kHz while leaving cycles for housekeeping. The 128 KB Flash accommodates sensorless FOC libraries from Microchip MPLAB Harmony; the 16 KB SRAM holds the state estimator. The 5V I/O tolerance simplifies interface to 12V/24V gate drivers in e-bike and appliance drives. Designers reduce BOM cost by replacing 2-3 op-amps and a discrete MCU with this single die.
Recommended
HVAC Fan and Pump Control
The PIC32CM1216MC00048-E/U5B drives variable-speed fans, blowers, and pumps in HVAC systems where 5V tolerance and 125C ambient operation are mandatory. Its SERCOM ports connect directly to 5V RS-485 transceivers for BACnet or Modbus links, and CAN-FD enables integration into modern building automation networks. The integrated motor-control PWM and op-amps simplify closed-loop PID control of pump pressure and airflow. Compared with discrete analog control loops, the PIC32CM MC architecture reduces firmware complexity by integrating the analog front-end onto the die. This makes it well suited for variable-speed circulator pumps, draft inductors, and condenser fans in commercial HVAC equipment.
Recommended
Automotive Body and Powertrain Subsystems
The PIC32CM1216MC00048-E/U5B's -E temperature grade (-40C to +125C) and integrated LIN/CAN-FD peripherals make it ideal for underhood and body-control ECUs. Common applications include electronic throttle control, electric water pumps, oil pumps, turbo actuators, HVAC flap motors, and windshield wiper drives. The Cortex-M0+ with hardware single-cycle multiply executes sensorless FOC algorithms for BLDC actuators under strict automotive latency budgets. Built-in self-test (BIST) features and Microchip's automotive-grade qualification support ISO 26262 functional-safety analysis. The 48-pin VQFN exposes a thermal pad that handles 125C junction temperatures in sealed enclosures.
Recommended
Industrial Servo and Stepper Drives
For stepper and small servo drives in 24V industrial systems, the PIC32CM1216MC00048-E/U5B provides the motor-control PWM and 5V GPIO needed to drive MOSFET gate drivers directly. Microstepping stepper firmware up to 256 microsteps fits within the 128 KB Flash budget. The SERCOM SPI channels interface to external absolute encoders (e.g., SSI / BiSS-C), while the on-chip op-amps handle current-sense amplification. The 48 MHz CPU supports real-time closed-loop torque control at multi-kHz rates, and the 5V I/O tolerance avoids level shifters between the MCU and 5V gate drivers common in 24V industrial designs.
Recommended
Smart Appliances (Washing Machines, Dishwashers, Refrigerators)
The PIC32CM1216MC00048-E/U5B suits BLDC motor control in direct-drive washing machines, BLDC compressor control in refrigerators, and pump/motor control in dishwashers. The Cortex-M0+ runs Microchip's pre-certified motor-control libraries and a 5V-tolerant touch-button UI front-end without external level shifting. The integrated LIN/CAN enables connectivity to the appliance's master controller and supports diagnostic services (UDS over CAN). The 16 KB SRAM holds FOC state variables and a small RTOS kernel. Designers reduce unit cost by integrating the analog front-end into the MCU rather than using a separate analog IC.
Recommended
5V Industrial Sensor Hubs and IO-Link Masters
The PIC32CM1216MC00048-E/U5B's 5V tolerance and SERCOM ports make it a natural fit for industrial sensor hubs aggregating multiple 5V sensors, including IO-Link masters for factory automation. The 128 KB Flash supports a small IO-Link stack and Modbus TCP bridge simultaneously, while the SERCOM USART channels handle 4-8 IO-Link ports via external PHYs. The 125C temperature grade allows operation in sealed factory cabinets. The Cortex-M0+ runs a deterministic scheduler for time-critical IO-Link cycle times under 1 ms. Compared with 3.3V-only MCUs, the 5V tolerance eliminates external level shifters on every IO-Link port.
Recommended
Recommended Products Summary
Engineering reference data for PIC32CM1216MC00048-E/U5B — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32CM1216MC00048-I/U5B | PIC32CM1216MC00032T-E/RTB | PIC32CM1216MC00032-E/RTB |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-VQFN (7x7) | 48-VQFN (7x7) - same | 48-VQFN (7x7) - same | 48-VQFN (7x7) - same |
| Flash Memory | 128 KB | 128 KB | 32 KB (-75%) | 32 KB (-75%) |
| SRAM | 16 KB | 16 KB | 8 KB (-50%) | 8 KB (-50%) |
| Maximum CPU Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Operating Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Temperature Grade | Extended -40C to +125C (E) | Industrial -40C to +85C (I) | Extended -40C to +125C (E) | Extended -40C to +125C (E) |
| Core | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ | Arm Cortex-M0+ |
| Unit Price (qty 1, as of 2026-09-30) | $6.10 | $5.95 | $5.40 | $5.30 |
Key Differentiators
- Highest memory in 48-VQFN PIC32CM MC00 family (vs PIC32CM1216MC00032T-E/RTB)
- Extended temperature grade with same 48-VQFN footprint (vs PIC32CM1216MC00048-I/U5B)
- Integrated analog motor-control front-end (vs PIC32CM1216MC00032-E/RTB)
Design Notes
Place decoupling capacitors (100 nF X7R + 10 uF X5R per VDD pair) within 2 mm of each VDD pin. The 48-VQFN exposed thermal pad MUST be soldered to a continuous ground plane with thermal vias (recommend 9 vias in a 3x3 array, 0.3 mm drill) to dissipate motor-control PWM losses. The analog ground island for op-amp and comparator pins should tie to the main ground plane at a single point near the AGND pin to avoid ground loops.
Estimated: at full 48 MHz CPU load with all peripherals active on a 48-VQFN with the recommended 3x3 thermal via array, theta_JA is approximately 35 C/W. At +85C ambient, the junction stays below +110C even at 0.5 W internal dissipation. Without the thermal pad soldered, theta_JA exceeds 80 C/W and 125C operation becomes marginal. Always solder the exposed pad.
The PIC32CM MC00 integrates op-amps and comparators for current sensing; route current-shunt traces as differential pairs directly to the op-amp inputs. Keep traces short (<10 mm) and surrounded by ground pour. For LIN bus lines, add a 1 nF capacitor to ground and a series resistor near the MCU pin per the LIN physical-layer spec. SERCOM SPI lines to external encoders should be length-matched within 5 mm if running above 10 MHz.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified explicitly; the -E grade denotes extended temperature (125C), not automotive qualification. UMC Fab 8N is an additional fabrication site per Microchip PCN.
