PIC24EP32GP204-I/PT - 16-bit 70 MIPS MCU, 32KB Flash, TQFP-44 | Microchip
MPN: PIC24EP32GP204-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.85 | $38.50 |
| 100 | $3.42 | $342.00 |
| 500 | $3.05 | $1,525.00 |
| 1,000 | $2.71 | $2,710.00 |
PIC24EP32GP204-I/PT Overview
An MCU (microcontroller) is a single-chip computer that integrates a CPU, memory, and programmable peripherals. 16-bit microcontrollers such as the PIC24EP series occupy the middle of the performance hierarchy between 8-bit MCUs (e.g. PIC16, PIC18) and 32-bit parts (e.g. PIC32, ARM Cortex-M). The PIC24EP family uses an enhanced Harvard architecture with separate program and data paths, making it well suited for mixed-signal control loops, motor control, and DSP-style signal processing where deterministic timing matters.
Key features include a Peripheral Trigger Generator (PTG) for sequencing peripherals without CPU intervention, on-chip operational amplifiers for analog signal conditioning, a Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement, four 16-bit timers, multiple UART/SPI/I2C interfaces, and a 10/12-bit ADC with up to 500 ksps conversion rate. The integrated DSP engine accelerates FIR/IIR filters and FFT computations, allowing real-time signal analysis without an external DSP.
The 70 MIPS core, combined with the DSP extensions, lets the PIC24EP32GP204 execute complex control algorithms while still servicing high-speed peripherals. The on-chip op amps reduce BOM cost in motor-control and power-conversion designs, and the CTMU simplifies touch-sensing front ends.
Typical applications include industrial motor control (BLDC, PMSM, stepper), digital power conversion (PFC, LLC, full-bridge converters), sensor signal conditioning with on-chip op amps, capacitive touch HMI panels, and high-performance general-purpose embedded control. The 32 KB Flash makes it best for code footprints up to roughly 20 KB after driver overhead.
When designing with this device, ensure the decoupling network is sized for the 70 MHz core and the ADC reference pin is well buffered. The PTG feature is highly valuable for synchronizing ADC sampling with PWM edges in motor-control loops.
This page synthesizes drop-in alternatives, design notes, and lifecycle observations not found in the manufacturer datasheet, helping procurement and engineering teams evaluate the PIC24EP32GP204-I/PT alongside its pin-compatible family members.
Drop-in alternatives for PIC24EP32GP204-I/PT — 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 PIC24EP32GP204-I/PT (same form factor and footprint) — differing in ADC, Operating Temperature, Package, CTMU, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP64GP204-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.32 / Unit
View Datasheet →PIC24EP128GP204-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.12 / Unit
View Datasheet →PIC24EP32GP204-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP32GP204-I/MV
✅ Drop-In✓ In Stock
$3.02 / Unit
View Datasheet →PIC24EP32MC204-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.85 / Unit
View Datasheet →dsPIC33EP32GP204-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP32GP204-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit PIC24E enhanced Harvard |
| CPU Speed | 70 MIPS (70 MHz max) |
| Program Flash | 32 KB (10.7K x 24) |
| RAM | 4 KB |
| ADC | 10/12-bit, up to 500 ksps |
| Op Amps | Yes (on-chip) |
| CTMU | Yes |
| Peripheral Trigger Generator (PTG) | Yes |
| DSP Engine | Yes |
| Timers | 4 x 16-bit |
| Communication | UART, SPI, I2C |
| PWM Channels | Multiple 16-bit PWM |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 44-pin TQFP (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| RoHS Status | Compliant |
PIC24EP32GP204-I/PT Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / AN0 |
| Pin 2 | RA1 — Port A bit 1 / AN1 |
| Pin 3 | RA2 — Port A bit 2 / AN2 / OPA1IN+ |
| Pin 4 | RA3 — Port A bit 3 / AN3 / OPA1IN- |
| Pin 5 | RA4 — Port A bit 4 / AN4 / OPA1OUT |
| Pin 6 | AVDD — Analog supply voltage |
| Pin 7 | AVSS — Analog ground |
| Pin 8 | RA5 — Port A bit 5 / AN5 / OPA2IN+ |
| Pin 9 | RA6 — Port A bit 6 / OPA2IN- |
| Pin 10 | RA7 — Port A bit 7 / OPA2OUT |
| Pin 11 | RB0 — Port B bit 0 / AN8 |
| Pin 12 | RB1 — Port B bit 1 / AN9 |
| Pin 13 | RB2 — Port B bit 2 / AN10 |
| Pin 14 | RB3 — Port B bit 3 / AN11 |
| Pin 15 | RB4 — Port B bit 4 / AN12 |
| Pin 16 | RB5 — Port B bit 5 / AN13 |
| Pin 17 | RB6 — Port B bit 6 |
| Pin 18 | RB7 — Port B bit 7 |
| Pin 19 | RC0 — Port C bit 0 |
| Pin 20 | RC1 — Port C bit 1 |
| Pin 21 | RC2 — Port C bit 2 |
| Pin 22 | RC3 — Port C bit 3 |
| Pin 23 | RC4 — Port C bit 4 |
| Pin 24 | RC5 — Port C bit 5 |
| Pin 25 | RC6 — Port C bit 6 |
| Pin 26 | RC7 — Port C bit 7 |
| Pin 27 | VDD — Digital supply voltage |
| Pin 28 | VSS — Digital ground |
| Pin 29 | RD0 — Port D bit 0 |
| Pin 30 | RD1 — Port D bit 1 |
| Pin 31 | RD2 — Port D bit 2 |
| Pin 32 | RD3 — Port D bit 3 |
| Pin 33 | RD4 — Port D bit 4 |
| Pin 34 | RD5 — Port D bit 5 |
| Pin 35 | RD6 — Port D bit 6 |
| Pin 36 | RD7 — Port D bit 7 |
| Pin 37 | RE0 — Port E bit 0 |
| Pin 38 | RE1 — Port E bit 1 |
| Pin 39 | RE2 — Port E bit 2 |
| Pin 40 | RE3 — Port E bit 3 |
| Pin 41 | RF0 — Port F bit 0 |
| Pin 42 | RF1 — Port F bit 1 |
| Pin 43 | RG0 — Port G bit 0 / MCLR (in-system programming) |
| Pin 44 | RG1 — Port G bit 1 / CLKO |
Typical Applications
PIC24EP32GP204-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion (PFC / LLC), Capacitive Touch HMI, Industrial Sensor Signal Conditioning, LED Lighting Control, Automotive Body Electronics.
BLDC / PMSM Motor Control
The PIC24EP32GP204-I/PT is a strong fit for BLDC and PMSM motor control. Its 70 MIPS core runs field-oriented control (FOC) loops well within the typical 10 kHz to 20 kHz control rate, and the on-chip op amps condition the shunt-resistor current-sense signals without external amplifiers. The Peripheral Trigger Generator (PTG) synchronizes ADC sampling with PWM edges, eliminating software jitter. With 32 KB Flash and 4 KB RAM, the part accommodates Microchip's MPLAB X motor-control libraries and user application layers. The TQFP-44 package exposes enough pins for three-phase PWM, current sensing, and encoder/Hall feedback.
Recommended
Digital Power Conversion (PFC / LLC)
For digital power supply control, the PIC24EP32GP204-I/PT delivers the DSP throughput needed for PFC, LLC, and full-bridge converter control loops. The 70 MIPS core and DSP extensions accelerate control-law math, while the high-speed 500 ksps ADC samples current and voltage with adequate margin for 50 kHz to 100 kHz switching frequencies. The on-chip op amps condition the current-sense signals before the ADC, and the PTG synchronizes ADC sampling to the PWM cycle for deterministic ripple rejection. The 3.3V supply range matches standard digital-power housekeeping rails.
Recommended
Capacitive Touch HMI
Capacitive touch human-machine interfaces benefit from the PIC24EP32GP204-I/PT's on-chip CTMU (Charge Time Measurement Unit), which provides precise timing for measuring touch capacitance changes. The 70 MIPS core runs touch-detection algorithms and handles HMI communications over UART or SPI to a host display. The on-chip op amps amplify the touch-sensing electrodes' signals, while the DSP engine can run gesture recognition. With 32 KB Flash, the device accommodates touch libraries plus the user application layer. The TQFP-44 package provides sufficient I/O for multiple touch electrodes and HMI peripherals.
Recommended
Industrial Sensor Signal Conditioning
Industrial sensor front ends benefit from the PIC24EP32GP204-I/PT's on-chip op amps, high-resolution ADC, and DSP engine. The op amps condition low-level signals from thermocouples, RTDs, load cells, and bridge sensors without external instrumentation amplifiers, reducing BOM cost. The 10/12-bit ADC with up to 500 ksps handles multiplexed sensor channels, and the DSP extensions accelerate FIR/IIR filtering for noise reduction. The 70 MIPS core manages sensor linearization algorithms and Modbus/CAN output. The industrial -40C to +85C temperature rating suits factory floor deployment.
Recommended
LED Lighting Control
The PIC24EP32GP204-I/PT is well suited to architectural and stage LED lighting, where the 70 MIPS core runs color-mixing algorithms and the high-resolution PWM channels drive multi-channel LED strings. The on-chip op amps condition analog dimmer inputs (0-10V or DALI), and the DSP engine accelerates smooth color transitions. The CTMU can monitor LED thermal feedback via thermistor circuits. With 32 KB Flash, the device handles DMX-512, DALI, or wireless control protocol stacks. The industrial temperature range fits both indoor and outdoor fixtures.
Recommended
Automotive Body Electronics
Although the -I/PT variant is industrial-grade, the same family covers automotive body electronics modules that multiplex switches, control lighting, and drive small motors. The 70 MIPS core handles LIN or CAN networking stacks plus switch-scan and PWM tasks. The 32 KB Flash fits a modest body-control application with room for bootloader and diagnostics. The CTMU supports capacitive switch sensing for premium trim panels. For AEC-Q100 qualified automotive deployment, the PIC24EP32GP204-E/PT extended-temperature variant is the closest drop-in alternative on the same die.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP32GP204-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP64GP204-I/PT | PIC24EP128GP204-I/PT | PIC24EP32GP204-E/PT | PIC24EP32GP204-I/MV | PIC24EP32MC204-I/PT | dsPIC33EP32GP204-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (PT) | TQFP-44 (PT) - same | TQFP-44 (PT) - same | TQFP-44 (PT) - same | UQFN-48 (MV) - different package | TQFP-44 (PT) - same | TQFP-44 (PT) - same |
| Flash Memory | 32 KB | 64 KB | 128 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 4 KB | 8 KB | 8 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| On-Chip Op Amps | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| PTG | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- On-chip op amps reduce BOM cost (vs PIC24EP32MC204-I/PT)
- PTG provides deterministic peripheral sequencing (vs PIC24EP32GP204-I/MV)
- Extended temperature variant available (vs PIC24EP32GP204-E/PT)
- Doubled Flash and RAM available on same footprint (vs PIC24EP64GP204-I/PT)
Design Notes
Decouple the PIC24EP32GP204-I/PT with a 100 nF ceramic capacitor placed within 5 mm of each VDD/VSS pin pair, plus a bulk 10 uF tantalum or ceramic on the main 3.3V rail. According to the Microchip datasheet, the analog AVDD requires its own low-noise LDO (such as MCP1700) separate from the digital VDD. Add a ferrite bead or small inductor between digital and analog supplies to isolate switching noise from the ADC reference.
Place the ADC reference decoupling capacitor (1 uF to 10 uF) as close as possible to the AVSS/AVDD pins. Route analog signals (ANx, op amp inputs) away from PWM outputs and clock traces to minimize coupling. Use a ground pour on the top layer under the TQFP-44 package, stitched with vias to a continuous bottom-layer ground plane. According to the Microchip datasheet, careful PCB layout is essential for achieving the full ADC performance.
Do not assume the on-chip op amps are rail-to-rail; check the input common-mode and output swing limits in the datasheet before designing high-side current sense circuits. Ensure the MCLR pin (RG0) is pulled high through a 10 kOhm resistor and not left floating, or the device will not start. Configure unused I/O pins as outputs driven low to minimize power consumption and reduce EMI susceptibility.
Estimated: At 70 MHz full-speed operation with all peripherals active, the PIC24EP32GP204-I/PT consumes approximately 60 mA to 80 mA from 3.3V, dissipating roughly 200 mW to 265 mW. The TQFP-44 package has theta_JA around 50 C/W, so junction temperature rise is about 10C to 13C above ambient at room temperature. No heatsink is required, but adequate copper pour (1 sq inch minimum) is recommended for thermal relief.
Compliance Information
RoHS compliant per Microchip product page. Industrial temperature range -40C to +85C; not AEC-Q100 qualified. For automotive AEC-Q100 applications, contact Microchip about qualified variants.