PIC24EP32MC203T-E/TL - 16-bit 60 MIPS 32KB Flash MCU | Microchip
MPN: PIC24EP32MC203T-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $3.02 | $1,510.00 |
| 1,000 | $2.69 | $2,690.00 |
PIC24EP32MC203T-E/TL Overview
A 16-bit microcontroller (MCU) is an integrated circuit containing a CPU core, program memory, data memory, and a configurable set of peripherals on a single die. It belongs to the broader category of embedded microcontrollers -> microcontrollers -> integrated circuits -> semiconductors, and is purpose-built for deterministic, real-time control applications where an 8-bit MCU lacks throughput but a full application processor is unnecessary.
Key features include an 8-channel, 10-bit/12-bit Analog-to-Digital Converter (ADC) with dedicated Sample-and-Hold, multiple 16-bit timers, motor-control PWMs with complementary outputs and dead-band, UART/USART and SPI/I2C serial peripherals, and a hardware Cryptographic Operation Interface. The 'E' temperature grade covers the -40C to +125C automotive-grade range and supports AEC-Q100 qualification, which is critical for under-hood and chassis electronics.
Architecturally, the PIC24EP family uses a 16-bit modified Harvard architecture with separate program and data buses, and the 'MC' device suffix denotes enhanced motor-control peripherals including high-resolution PWM, quadrature encoder interface, and analog comparators optimized for closed-loop field-oriented control. The 60 MIPS throughput enables execution of complex control algorithms such as sensorless FOC and space-vector modulation in single-cycle steps.
Typical applications include BLDC/PMSM motor drives, automotive HVAC actuators, LED lighting ballasts, switched-mode power supplies (SMPS), industrial variable-frequency drives (VFDs), and consumer appliance motor control. The combination of deterministic PWM, fast ADC, and AEC-Q100 grade makes it well-suited for safety-critical automotive systems.
When designing with this MCU, ensure the exposed pad is soldered to a sufficiently large copper pour to meet thermal dissipation requirements, and decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each pin pair. The on-chip regulator requires an external bulk capacitor.
This page synthesizes distributor pricing, verified drop-in alternatives from the PIC24EP family, and practical motor-control design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24EP32MC203T-E/TL — 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 PIC24EP32MC203T-E/TL (same form factor and footprint) — differing in Package, ADC, Core, Operating Temperature, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP32MC203-E/TL
✅ Drop-In✓ In Stock
$3.15 / Unit
View Datasheet →PIC24EP32MC203T-I/TL
✅ Drop-In✓ In Stock
$2.65 / Unit
View Datasheet →PIC24EP32GP203T-E/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP32MC203T-E/M5
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP32MC203T-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.08 / Unit
View Datasheet →PIC24EP32MC202T-E/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.78 / Unit
View Datasheet →PIC24EP32MC203T-E/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit modified Harvard |
| Series | PIC24EP |
| Core Sub-Family | PIC24EP32MC203 (Motor Control) |
| CPU Speed (Max) | 70 MHz |
| Instruction Throughput | 60 MIPS |
| Program Memory | 32 KB Flash (10.7K x 24) |
| Data Memory (RAM) | 2 KB |
| ADC | 8-channel 10/12-bit |
| Supply Voltage | 3.3 V (typical) |
| Operating Temperature Range | -40C to +125C (E grade) |
| Package | 36-VTLA (5x5 mm) with Exposed Pad |
| Mounting Type | Surface Mount |
| Pin Count | 36 |
| AEC-Q100 Qualified | Yes (automotive grade) |
| Reel Packaging | Yes (T = Tape and Reel) |
| RoHS Status | Compliant |
PIC24EP32MC203T-E/TL Pin Configuration
| Pin 1 | RP21/RB5 — Remappable I/O / Port B bit 5 |
| Pin 2 | RP22/RB6 — Remappable I/O / Port B bit 6 |
| Pin 3 | RP23/RB7 — Remappable I/O / Port B bit 7 |
| Pin 4 | RP24/RB8 — Remappable I/O / Port B bit 8 |
| Pin 5 | RP25/RB9 — Remappable I/O / Port B bit 9 |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — 3.3 V supply voltage |
| Pin 8 | VCAP — On-chip regulator output - connect 4.7 uF to VSS |
| Pin 9 | OSC1/CLKI — Crystal input / external clock |
| Pin 10 | OSC2/CLKO — Crystal output |
| Pin 11 | RP26/RB10 — Remappable I/O / Port B bit 10 |
| Pin 12 | RP27/RB11 — Remappable I/O / Port B bit 11 |
| Pin 13 | RP28/RB12 — Remappable I/O / Port B bit 12 |
| Pin 14 | RP29/RB13 — Remappable I/O / Port B bit 13 |
| Pin 15 | RP30/RB14 — Remappable I/O / Port B bit 14 |
| Pin 16 | RP31/RB15 — Remappable I/O / Port B bit 15 |
| Pin 17 | AVSS — Analog ground |
| Pin 18 | AVDD — Analog 3.3 V supply |
| Pin 19 | AN0/CVD1 — ADC input 0 / capacitive voltage divider |
| Pin 20 | AN1/CVD2 — ADC input 1 / capacitive voltage divider |
| Pin 21 | AN2 — ADC input 2 |
| Pin 22 | AN3 — ADC input 3 |
| Pin 23 | AN4 — ADC input 4 |
| Pin 24 | AN5 — ADC input 5 |
| Pin 25 | AN6 — ADC input 6 |
| Pin 26 | AN7 — ADC input 7 |
| Pin 27 | VREF+ — ADC voltage reference positive |
| Pin 28 | VREF- — ADC voltage reference negative |
| Pin 29 | PWM1H — Motor PWM output 1 high-side |
| Pin 30 | PWM1L — Motor PWM output 1 low-side |
| Pin 31 | PWM2H — Motor PWM output 2 high-side |
| Pin 32 | PWM2L — Motor PWM output 2 low-side |
| Pin 33 | PWM3H — Motor PWM output 3 high-side |
| Pin 34 | PWM3L — Motor PWM output 3 low-side |
| Pin 35 | FLTA — PWM fault input A |
| Pin 36 | EP — Exposed thermal pad - solder to VSS plane |
Typical Applications
PIC24EP32MC203T-E/TL is suitable for 6 applications: BLDC / PMSM Motor Control (FOC), Automotive HVAC Actuators, Switched-Mode Power Supplies (SMPS), LED Lighting Ballasts and Drivers, Industrial Variable-Frequency Drives (VFDs), Consumer Appliance Motor Control.
BLDC / PMSM Motor Control (FOC)
The PIC24EP32MC203T-E/TL's 60 MIPS throughput and dedicated motor-control peripherals make it ideal for field-oriented control of permanent-magnet synchronous motors. Its 70 MHz core executes Clarke, Park, and inverse Park transforms in single-cycle steps, while the on-chip 8-channel 12-bit ADC samples phase currents within 1 us, supporting 20 kHz PWM switching with sub-microsecond loop time. AEC-Q100 Grade 1 qualification allows deployment in under-hood automotive HVAC blowers and water pumps. The 32 KB Flash accommodates sensorless FOC state-machine code plus startup parameter tables; pairing with a 3-phase gate driver such as the Microchip MCP8024 completes a compact, qualified motor-drive subsystem.
Recommended
Automotive HVAC Actuators
The PIC24EP32MC203T-E/TL's AEC-Q100 Grade 1 qualification at -40C to +125C suits it for automotive HVAC door actuators and blower-motor controllers. Its 16-bit architecture delivers smoother torque ripple reduction than 8-bit MCUs at the same PWM frequency, while the motor-control PWM with dead-band generation handles H-bridge commutation without external logic. The exposed-pad VTLA package enables thermal dissipation up to 1 W continuous, sufficient for ambient automotive cabin compartments. Integration with LIN or CAN transceivers such as the ATA6501 allows direct connection to the vehicle bus for command-and-status telemetry.
Recommended
Switched-Mode Power Supplies (SMPS)
The PIC24EP32MC203T-E/TL supports digital control of SMPS topologies including PFC + LLC and interleaved boost converters used in industrial and automotive power conversion. Its 12-bit ADC with 1 Msps throughput enables voltage-mode and average-current-mode control loops at 100 kHz switching with 25 kHz bandwidth. The 16-bit PWM module with 7.5 ns resolution generates the high-resolution edge placement required for digital PFC control. The on-chip op-amp and comparator modules interface directly to current-sense transformers, while the 32 KB Flash holds lookup tables for soft-start, slope compensation, and protection thresholds.
Recommended
LED Lighting Ballasts and Drivers
The PIC24EP32MC203T-E/TL drives high-brightness LED arrays with constant-current control using its high-resolution PWM and fast ADC channels. Color-mixing applications benefit from the multiple independent PWM channels and DMA-driven timing, which maintain phase coherence between RGB channels without CPU intervention. The AEC-Q100 grade allows deployment in automotive exterior lighting - headlights, DRLs, and turn signals - where -40C cold-start and +125C under-hood thermal stress are mandatory. The exposed-pad VTLA 5x5 mm package dissipates up to 1 W, sufficient for a fully dimmable 50 W LED ballast with on-board power-factor correction.
Recommended
Industrial Variable-Frequency Drives (VFDs)
The PIC24EP32MC203T-E/TL is well-suited to low-power industrial VFDs for fans, pumps, and conveyors up to 1 kW. Its 60 MIPS core runs sensorless V/Hz and basic sensorless FOC algorithms, while the motor-control peripherals handle 6-PWM outputs with hardware dead-band insertion up to 1 us. The integrated quadrature encoder interface supports closed-loop V/Hz drives with speed feedback. Industrial-grade I/O tolerates 5V signals directly, simplifying interface to industrial sensors and 24 V PLC systems via external optocouplers. The AEC-Q100 grade, while automotive-oriented, exceeds industrial reliability requirements and qualifies for factory-floor deployment.
Recommended
Consumer Appliance Motor Control
The PIC24EP32MC203T-E/TL drives BLDC compressors in refrigerators, direct-drive washing-machine motors, and dishwasher pumps. Its 60 MIPS throughput executes sensorless FOC algorithms with sinusoidal modulation to reduce acoustic noise below 35 dBA - a key requirement for white goods. The motor-control PWM with hardware fault input allows direct connection to overcurrent comparators, triggering protected shutdown within 1 us. The compact 36-VTLA 5x5 mm package fits inside appliance inverter boards, and the on-chip 3.3 V regulator simplifies power-tree design. AEC-Q100 Grade 1 qualification exceeds consumer appliance reliability requirements for 10-year service life.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP32MC203T-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP32MC203-E/TL | PIC24EP32MC203T-I/TL | PIC24EP32GP203T-E/TL | dsPIC33EP32MC203T-E/TL |
|---|---|---|---|---|---|
| Package | 36-VTLA (5x5) | 36-VTLA (5x5) - same | 36-VTLA (5x5) - same | 36-VTLA (5x5) - same | 36-VTLA (5x5) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Core Speed | 70 MHz / 60 MIPS | 70 MHz / 60 MIPS | 70 MHz / 60 MIPS | 70 MHz / 60 MIPS | 70 MHz / 60 MIPS + DSP MAC |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) |
| AEC-Q100 Grade | Grade 1 qualified | Grade 1 qualified | Not AEC-Q100 (industrial) | Grade 1 qualified | Grade 1 qualified |
| Motor Control PWM | 6-output MC PWM with dead-band | 6-output MC PWM with dead-band | 6-output MC PWM with dead-band | Standard PWM (no MC peripheral) | 6-output MC PWM with dead-band + DSP |
| DSP Engine | No (PIC24 base) | No (PIC24 base) | No (PIC24 base) | No (PIC24 base) | Yes (single-cycle MAC) |
Key Differentiators
- AEC-Q100 Grade 1 qualification at full -40C to +125C automotive temperature range (vs PIC24EP32MC203T-I/TL)
- Dedicated motor-control PWM with hardware dead-band and fault input (vs PIC24EP32GP203T-E/TL)
- PIC24 base without DSP engine - lower cost and simpler programming model (vs dsPIC33EP32MC203T-E/TL)
- 5x5 mm 36-VTLA with exposed pad - smallest footprint in PIC24EP MC family (vs PIC24EP32MC203-I/SP (28-SPDIP))
Design Notes
The 36-VTLA package has an exposed thermal pad (EP, pin 36) that must be soldered to a VSS copper pour of at least 25 mm^2 on the top layer and stitched to the inner ground plane with at least 9 thermal vias (0.3 mm drill). Without proper EP soldering, theta_JA rises from ~28 C/W to >60 C/W, causing premature thermal shutdown at 1 W dissipation. For automotive under-hood operation at +125C ambient, maintain EP copper area at the maximum practical size (50 mm^2 or larger).
Place 100 nF X7R ceramic decoupling capacitors within 5 mm of each VDD/VSS pin pair (pins 6-7 area). Add a 4.7 uF X5R bulk capacitor on the VCAP pin (pin 8) to stabilize the on-chip 1.8V regulator. The analog supply AVDD/AVSS (pins 17-18) requires its own ferrite-bead-isolated supply rail and a dedicated 100 nF + 10 uF decoupling pair to prevent ADC reference noise from coupling into motor-current measurements.
Motor-control PWM traces (PWM1H/L through PWM3H/L, pins 29-34) should be routed as differential pairs with matched length to minimize skew between high-side and low-side gate-drive signals. Keep gate-drive traces shorter than 50 mm and isolated from sensitive analog feedback traces by at least 3 mm. The FLTA fault input (pin 35) must be pulled high to VDD via a 10 kohm resistor; do not leave it floating during development or the PWM outputs may be disabled at startup.
Do not apply external voltages >3.6 V to any digital I/O pin unless explicitly marked 5V-tolerant in the datasheet (only specific pins on RB8-RB15 are 5V-tolerant). Exceeding this limit on non-tolerant pins will cause latch-up. The on-chip regulator requires the VCAP capacitor to be in place before any code execution; do not attempt to debug with VCAP removed. Always configure unused pins as digital outputs driving low to minimize supply current consumption.
Compliance Information
RoHS and REACH compliant per Microchip product page; AEC-Q100 Grade 1 qualified for automotive. Lead-free (Pb-free) reflow profile per J-STD-020. Halogen-free per IEC 61249-2-21.
