PIC24EP512GP204-I/TL - 70 MIPS 16-Bit MCU, 512KB Flash, 44-VTLA | Microchip
MPN: PIC24EP512GP204-I/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $12.86 | $12.86 |
| 10 | $11.95 | $119.50 |
| 100 | $10.62 | $1,062.00 |
| 500 | $9.45 | $4,725.00 |
| 1,000 | $8.41 | $8,410.00 |
PIC24EP512GP204-I/TL Overview
This part belongs to the PIC24E family of digital signal controllers, which are 16-bit modified Harvard architecture MCUs designed for mixed-signal embedded applications. The "PIC24EP" sub-family emphasizes enhanced performance (EP) with features like high-speed PWM, dual op-amps, and a 12-bit ADC with up to 500 ksps throughput, positioning it between basic PIC24F and the higher-end dsPIC33E families. Engineers select PIC24E devices when they need deterministic real-time control, ample code space, and rich analog integration without migrating to a 32-bit ARM core.
Key features of the PIC24EP512GP204-I/TL include 512KB Flash (170K x 24 words), 48KB SRAM, 70 MIPS execution at 60 MHz CPU clock, integrated dual op-amps (configurable as amplifiers or comparators), a 10/12-bit ADC with up to 500 ksps sampling rate, three 3-wire SPI modules, four UART modules, and two I2C modules. The PTG peripheral generates complex hardware-triggered event sequences without CPU intervention, while the CTMU enables precise time-domain capacitance measurement for touch and proximity sensing.
Architecturally, the PIC24EP512GP204 uses a modified Harvard architecture with separate 24-bit program and 16-bit data paths, a 16x16 hardware multiplier, and a 40-bit ALU. The VTLA (Very Thin Land Array) 44-pin package at 6x6 mm provides a compact footprint with an exposed thermal pad for thermal management. Wide operating voltage (3.0V to 3.6V) and an industrial temperature range of -40C to +85C (denoted by the "-I" speed grade) make the device suitable for industrial control environments.
Typical applications include motor control (BLDC, stepper, PMSM) using the high-speed PWM, power conversion digital control loops, industrial sensor conditioning using the on-chip op-amps, capacitive touch interfaces via CTMU, USB device peripherals (with external transceiver), and general-purpose embedded control in factory automation and consumer appliances. The integrated analog front-end reduces BOM and PCB area significantly compared to discrete MCU + external op-amp designs.
When designing with this MCU, ensure that the VTLA package's exposed thermal pad is soldered to a continuous ground copper pour for proper thermal and electrical performance. Decoupling requires at minimum a 100nF ceramic capacitor adjacent to each VDD/VSS pair plus a bulk 10uF capacitor on the main 3.3V rail. JTAG programming requires dedicated pins that must not be repurposed in the final PCB layout.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC24E family, and practical design notes that are not consolidated in any single datasheet.
Drop-in alternatives for PIC24EP512GP204-I/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 PIC24EP512GP204-I/TL (same form factor and footprint) — differing in ADC, Operating Temperature, Package, CPU Performance, CTMU.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP512GP204-E/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512GP204-I/PT
✅ Drop-In✓ In Stock
$6.85 / Unit
View Datasheet →PIC24EP512GP204-H/ML
✅ Drop-In✓ In Stock
$7.85 / Unit
View Datasheet →PIC24EP256GP204-I/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512MC204-I/TL
✅ Drop-In✓ In Stock
$6.3 / Unit
View Datasheet →PIC24EP512GP204-I/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24E (16-bit modified Harvard) |
| CPU Performance | 70 MIPS at 60 MHz |
| Program Flash Memory | 512 KB (170K x 24 words) |
| SRAM | 48 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial, -I) |
| Package | 44-VTLA (6x6 mm) |
| Mounting Type | Surface Mount |
| Integrated Op-Amps | 2 (configurable) |
| Comparators | 3 (peripheral) |
| ADC | 10/12-bit, up to 500 ksps |
| CTMU | Yes (Charge Time Measurement Unit) |
| PTG | Yes (Peripheral Trigger Generator) |
| UART Modules | 4 |
| SPI Modules | 3 (3-wire) |
| I2C Modules | 2 |
| PWM Outputs | High-Speed PWM |
| RoHS Status | Compliant |
PIC24EP512GP204-I/TL Pin Configuration
| Pin 1 | RPB0/AN0 — Remappable I/O / ADC input AN0 |
| Pin 2 | RPB1/AN1 — Remappable I/O / ADC input AN1 |
| Pin 3 | VSS — Ground |
| Pin 4 | RPB2/AN2/C1IN+ — Remappable I/O / ADC input AN2 / Comparator 1 non-inverting input |
| Pin 5 | RPB3/AN3/C1IN- — Remappable I/O / ADC input AN3 / Comparator 1 inverting input |
| Pin 6 | VDD — Positive supply voltage (3.3V) |
| Pin 7 | RPB4/AN4/C2IN+ — Remappable I/O / ADC input AN4 / Comparator 2 non-inverting input |
| Pin 8 | RPB5/AN5/C2IN- — Remappable I/O / ADC input AN5 / Comparator 2 inverting input |
| Pin 9 | VSS — Ground |
| Pin 10 | RPB6/AN6/OC1 — Remappable I/O / ADC input AN6 / Output Compare 1 |
| Pin 11 | RPB7/AN7/OC2 — Remappable I/O / ADC input AN7 / Output Compare 2 |
| Pin 12 | VDD — Positive supply voltage (3.3V) |
| Pin 13 | RPC0/AN8/OC3 — Remappable I/O / ADC input AN8 / Output Compare 3 |
| Pin 14 | RPC1/AN9/OC4 — Remappable I/O / ADC input AN9 / Output Compare 4 |
| Pin 15 | RPC2/AN10/OC5 — Remappable I/O / ADC input AN10 / Output Compare 5 |
| Pin 16 | RPC3/AN11/OC6 — Remappable I/O / ADC input AN11 / Output Compare 6 |
| Pin 17 | RPC4/AN12/OC7 — Remappable I/O / ADC input AN12 / Output Compare 7 |
| Pin 18 | RPC5/AN13/OC8 — Remappable I/O / ADC input AN13 / Output Compare 8 |
| Pin 19 | VSS — Ground |
| Pin 20 | RPC6/AN14/OC9 — Remappable I/O / ADC input AN14 / Output Compare 9 |
| Pin 21 | RPC7/AN15/OC10 — Remappable I/O / ADC input AN15 / Output Compare 10 |
| Pin 22 | VDD — Positive supply voltage (3.3V) |
| Pin 23 | RPC8/OC11 — Remappable I/O / Output Compare 11 |
| Pin 24 | RPC9/OC12 — Remappable I/O / Output Compare 12 |
| Pin 25 | TMS/RA0 — JTAG TMS / Remappable I/O |
| Pin 26 | TCK/RA1 — JTAG TCK / Remappable I/O |
| Pin 27 | TDI/RA2 — JTAG TDI / Remappable I/O |
| Pin 28 | TDO/RA3 — JTAG TDO / Remappable I/O |
| Pin 29 | RA4/SOSCI — Remappable I/O / Secondary oscillator input |
| Pin 30 | RA5/SOSCO — Remappable I/O / Secondary oscillator output |
| Pin 31 | VSS — Ground |
| Pin 32 | RA6/OSC2 — Remappable I/O / Primary oscillator output |
| Pin 33 | RA7/OSC1 — Remappable I/O / Primary oscillator input |
| Pin 34 | RPD0/INT0 — Remappable I/O / External Interrupt 0 |
| Pin 35 | RPD1/INT1 — Remappable I/O / External Interrupt 1 |
| Pin 36 | RPD2/INT2 — Remappable I/O / External Interrupt 2 |
| Pin 37 | RPD3/INT3 — Remappable I/O / External Interrupt 3 |
| Pin 38 | VDD — Positive supply voltage (3.3V) |
| Pin 39 | RPD4/RTCC — Remappable I/O / Real-Time Clock Calendar |
| Pin 40 | RPD5 — Remappable I/O |
| Pin 41 | RPD6 — Remappable I/O |
| Pin 42 | RPD7 — Remappable I/O |
| Pin 43 | VSS — Ground |
| Pin 44 | MCLR — Master Clear (reset) input, active low |
Typical Applications
PIC24EP512GP204-I/TL is suitable for 7 applications: BLDC Motor Control, Switch-Mode Power Supply Digital Control, Capacitive Touch Human-Machine Interface, Industrial Sensor Signal Conditioning, USB Device Peripherals and HID Controllers, Appliance Control and Home Automation, Medical Monitoring Devices.
BLDC Motor Control
The PIC24EP512GP204-I/TL drives brushless DC, PMSM, and stepper motors using its high-speed PWM peripherals and integrated op-amps for current sensing. The 70 MIPS core executes field-oriented control (FOC) loops within 14 microseconds per cycle at typical 10 kHz switching frequency. The PTG peripheral coordinates ADC-PWM timing for sub-microsecond current sampling synchronization, while the on-chip op-amps condition phase current signals directly without external amplifiers. Per Microchip application notes, this MCU replaces discrete analog + DSP solutions in appliance and industrial drives up to 500W. Designers use the same VQFN/VTLA footprint across the PIC24EP512 family for product scaling.
Recommended
Switch-Mode Power Supply Digital Control
The PIC24EP512GP204-I/TL implements digital PFC and LLC resonant converter control loops in compact 3.3V-powered SMPS designs. With 70 MIPS available, the MCU closes voltage and current loops at 50-100 kHz switching frequencies while monitoring auxiliary telemetry. The integrated 12-bit ADC samples at 500 ksps, capturing both the high-bandwidth current sense and slower output voltage signals with the same peripheral. The PTG triggers ADC conversions precisely synchronized to PWM edges, eliminating software jitter. Per the Microchip SMPS reference library, the 48 KB RAM holds enough state for adaptive digital filter coefficients plus closed-loop history buffers.
Recommended
Capacitive Touch Human-Machine Interface
The PIC24EP512GP204-I/TL leverages its on-chip CTMU (Charge Time Measurement Unit) to implement reliable capacitive touch buttons, sliders, and proximity sensors with no external components beyond the sensor electrodes. The CTMU precisely measures capacitance in the femtofarad range, enabling proximity sensing at distances up to 10 cm. The integrated op-amps condition reference signals, and the 512 KB Flash stores sophisticated touch decoding algorithms. With 48 KB RAM and 70 MIPS, the MCU can simultaneously run a touch scan, motor control loop, and a UART-based HMI protocol stack. Per Microchip touch library documentation, this replaces dedicated touch ICs in appliance and IoT designs.
Recommended
Industrial Sensor Signal Conditioning
The PIC24EP512GP204-I/TL integrates two on-chip op-amps that condition strain gauge, thermocouple, and 4-20 mA current loop signals directly, eliminating external analog front-end ICs. The 12-bit ADC samples at up to 500 ksps, supporting oversampling-based resolution enhancement beyond the nominal 12 bits. The CTMU provides ratiometric measurements for bridge sensor excitation, while the 70 MIPS core runs calibration and linearization algorithms in real time. The industrial -40C to +85C temperature range matches factory floor requirements. The 44-VTLA 6x6 mm package fits densely populated PLC analog input modules where PCB space is at a premium.
Recommended
USB Device Peripherals and HID Controllers
The PIC24EP512GP204-I/TL supports USB 2.0 full-speed device operation via an external transceiver, providing a cost-effective platform for HID, CDC, and vendor-class USB peripherals. The 512 KB Flash accommodates the full Microchip USB stack plus application code, and 48 KB RAM handles HID report buffers and CDC line coding. The integrated op-amps can implement audio CODEC front-ends for USB audio class devices. Four UART modules enable multi-port USB-to-serial bridges, while the CTMU supports touch-enabled HID products. Per Microchip USB library benchmarks, the 70 MIPS core achieves full USB throughput without dropping frames at 12 Mbps full-speed.
Recommended
Appliance Control and Home Automation
The PIC24EP512GP204-I/TL serves as the main controller in white goods, HVAC systems, and smart home appliances where deterministic real-time response is required. The 70 MIPS core runs multiple control loops simultaneously (compressor, fan, display) with hard real-time guarantees. The PTG generates complex timer-driven I/O patterns for LED matrix animations and seven-segment multiplexing without CPU load. The CTMU enables touch panel control on modern appliance front panels, while the integrated op-amps interface directly with NTC thermistors and pressure transducers. Per Microchip appliance reference designs, the 44-VTLA package fits the constrained PCB space typical of dishwasher, washing machine, and refrigerator control boards.
Recommended
Medical Monitoring Devices
The PIC24EP512GP204-I/TL is used in portable medical monitoring equipment including pulse oximeters, blood pressure monitors, and patient thermometers where its integrated op-amps reduce analog front-end complexity. The 12-bit ADC with 500 ksps throughput captures photoplethysmography (PPG) waveforms for heart-rate algorithms, and the CTMU provides accurate timing for SpO2 measurements. The 70 MIPS performance runs DSP-based signal processing filters in real time. With 512 KB Flash and 48 KB RAM, the MCU stores multiple algorithm libraries and patient log buffers. Per IEC 60601-1 considerations, the industrial temperature range and Microchip's medical-grade documentation support regulated medical device development.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP512GP204-I/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP512GP204-E/TL | PIC24EP512GP204-I/PT | PIC24EP256GP204-I/TL | PIC24EP512MC204-I/TL |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) - same | 44-TQFP - different footprint | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same |
| Core | PIC24E (16-bit, 70 MIPS) | PIC24E (16-bit, 70 MIPS) | PIC24E (16-bit, 70 MIPS) | PIC24E (16-bit, 70 MIPS) | PIC24E (16-bit, 70 MIPS) |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB |
| SRAM | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| Temperature Range | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Motor Control Peripherals | Standard PWM | Standard PWM | Standard PWM | Standard PWM | Enhanced PWM + QEI |
| Integrated Op-Amps | 2 | 2 | 2 | 2 | 2 |
| RoHS Compliance | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Largest Flash memory in PIC24E GP family (vs PIC24EP256GP204-I/TL)
- Compact 6x6 mm VTLA footprint (vs PIC24EP512GP204-I/PT (TQFP-44))
- Industrial temperature grade with standard positioning (vs PIC24EP512GP204-H/ML (automotive grade))
- Integrated dual op-amps eliminate external analog ICs (vs PIC24EP32GP204 (no op-amps))
Design Notes
The 44-VTLA package has an exposed thermal pad on the underside that MUST be soldered to a continuous ground copper pour. Per Microchip packaging guidelines, this pad provides the primary heat dissipation path and the lowest-inductance ground reference. Use an array of thermal vias (typically 0.3 mm drill, 0.6 mm pitch) connecting the pad to an internal ground plane. Failure to properly solder this pad results in 30-50% higher junction temperatures and possible thermal shutdown at full CPU load.
Decoupling requirements: place a 100 nF X7R ceramic capacitor within 3 mm of each VDD pin, plus a 10 uF bulk ceramic or tantalum capacitor on the main 3.3V rail. Estimated: at 70 MIPS full CPU activity plus peripheral toggling, the MCU draws approximately 60 mA peak from VDD. Add a ferrite bead or 10 ohm resistor on the analog AVDD supply if precision ADC operation is required, plus a separate 100 nF decoupling cap on AVDD. The internal voltage regulator additionally requires a 10 uF capacitor on the VCAP pin for the 1.8V core supply.
JTAG programming pins (TMS, TCK, TDI, TDO) are multiplexed with general-purpose I/O. Per Microchip errata sheets for the PIC24EP family, after JTAG programming these pins default to JTAG mode and require explicit configuration in user code to repurpose as GPIO. Additionally, the MCLR pin must be pulled high through a 10 kohm resistor; leaving it floating causes erratic reset behavior. The VSS pins are not all bonded out internally - treat each VSS pin as required for return current, especially in high-dV/dt PWM applications.
Place the 60 MHz primary oscillator crystal as close as possible to the OSC1/OSC2 pins with short traces surrounded by a ground guard ring. Per Microchip oscillator design notes, keep crystal traces under 5 mm length to minimize parasitic capacitance. The analog signals (AN0-AN15) should be routed away from PWM output traces to avoid switching noise coupling into ADC measurements. Use a separate analog ground island if PCB area permits, joining it to digital ground at a single point near the MCU's ground pad.
Compliance Information
RoHS compliant per Microchip product page. Standard industrial grade (-I suffix) - not AEC-Q100 qualified; choose -H or -E automotive suffix variants for automotive applications. Halogen-free per Microchip environmental compliance documentation.
