PIC24EP128GP204T-I/TL - 16-bit 70MIPS MCU 128KB Flash | Microchip
MPN: PIC24EP128GP204T-I/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.68 | $46.80 |
| 100 | $4.16 | $416.00 |
| 500 | $3.74 | $1,870.00 |
| 1,000 | $3.33 | $3,330.00 |
PIC24EP128GP204T-I/TL Overview
A 16-bit microcontroller (MCU) is a microprocessor with internal Flash, RAM, and peripherals optimized for embedded control. The PIC24EP family sits within Microchip's dsPIC/PIC24 product hierarchy: 16-bit MCU -> dsPIC/PIC24 family -> PIC24EP "Enhanced Performance" sub-family -> general-purpose (GP) class. This taxonomy places the PIC24EP128GP204 as a mid-range 16-bit MCU with high analog integration, sitting between cost-optimized PIC24FJ parts and the high-performance dsPIC33EP digital signal controllers.
Key differentiating specifications include 70 MIPS CPU throughput (4.7 µs instruction cycle latency for fast deterministic control loops), 128 KB self-programmable Flash with EEPROM emulation, 16 KB SRAM, dual 10-bit DACs, three op-amps internal to the die, four analog comparators, and a 12-bit ADC with up to 500 ksps conversion rate. The CTMU enables capacitive touch sensing and precision time measurement down to nanosecond resolution.
Architecturally, the PIC24EP core uses a modified Harvard architecture with a 24-bit instruction word and 16-bit data path, enabling C-compiler-friendly operation with the MPLAB XC16 toolchain. The integrated PTG module allows complex peripheral sequencing without CPU intervention, reducing firmware complexity for motor control and power-conversion feedback loops. The on-chip op-amps and comparators can directly condition sensor signals before ADC digitization, eliminating external signal-conditioning components in many designs.
Typical applications include industrial motor control (BLDC, PMSM, stepper drives), digital power conversion (PFC, LLC, full-bridge converters), high-end LED lighting drivers, capacitive-touch user interfaces, sensor conditioning for IoT edge nodes, and medical instrumentation requiring precision analog front ends. The wide operating temperature range (-40 °C to +85 °C industrial grade) and 3.3 V single-supply operation make the part well suited for industrial 24V-bus-derived power architectures.
Design consideration: the VTLA-44 (6x6 mm) package has an exposed thermal pad that must be soldered to a copper pour on the PCB (minimum 1 square inch recommended) for thermal dissipation and electrical grounding. Decoupling requires at minimum one 100 nF X7R capacitor within 3 mm of each VDD/AVDD pin pair. For applications requiring >40 MIPS sustained throughput, ensure code execution stays within Flash wait-state timing by referencing the MPLAB XC16 compiler optimization settings.
This page synthesizes distributor pricing, drop-in Microchip family alternatives, and practical design notes not found in the bare manufacturer datasheet, enabling faster component selection and BOM risk mitigation for engineers evaluating the PIC24EP128GP204T-I/TL for new designs.
Drop-in alternatives for PIC24EP128GP204T-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 PIC24EP128GP204T-I/TL (same form factor and footprint) — differing in ADC, Core Architecture, Operating Temperature, Package, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP128GP204-I/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP128GP204T-E/TL
✅ Drop-In✓ In Stock
$3.79 / Unit
View Datasheet →PIC24EP256GP204T-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.8 / Unit
View Datasheet →PIC24EP128GP204-H/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP128GP204T-I/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24E 16-bit modified Harvard |
| CPU Speed | 70 MIPS (max) |
| Program Flash | 128 KB (43K x 24) |
| SRAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 44-pin VTLA (6x6 mm) |
| Mounting Type | Surface Mount |
| ADC | 12-bit, 500 ksps |
| Op-Amps (internal) | 3 |
| Comparators | 4 |
| CTMU | Yes (Charge Time Measurement Unit) |
| Peripheral Trigger Generator (PTG) | Yes |
| DAC | 2x 10-bit |
| PWM Channels | Multiple high-speed PWM outputs |
| MSL Level | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Tape and Reel | Yes (suffix -T) |
PIC24EP128GP204T-I/TL 44-pin vtla (6x6 mm) Pin Configuration Guide
Pin configuration for PIC24EP128GP204T-I/TL (44-pin vtla (6x6 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 PIC24EP128GP204T-I/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24EP128GP204T-I/TL is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion (PFC, LLC, Full-Bridge), Capacitive Touch User Interface, High-End LED Lighting Driver, Industrial Sensor Conditioning & IoT Edge Node, Medical Instrumentation & Patient Monitoring.
BLDC / PMSM Motor Control
The PIC24EP128GP204T-I/TL is well suited for sensorless and sensored BLDC/PMSM motor control. Its 70 MIPS PIC24E core executes field-oriented control (FOC) loops at 20-40 kHz PWM frequencies, while the 12-bit ADC at 500 ksps samples phase currents with sub-microsecond latency. The three integrated op-amps condition current-sense shunt signals directly, eliminating external amplifiers and reducing BOM cost. The high-speed PWM module drives 3-phase inverter MOSFETs with complementary outputs and programmable dead-time insertion. Per Microchip application note AN1078, the CTMU module can also measure BEMF zero-crossings for sensorless commutation. Operating from a single 3.3 V supply, the part integrates cleanly into industrial 24V-bus-derived architectures with downstream buck regulators.
Recommended
Digital Power Conversion (PFC, LLC, Full-Bridge)
The PIC24EP128GP204T-I/TL's Peripheral Trigger Generator (PTG) enables hardware-state-machine sequencing of ADC sampling, PWM updates, and protection responses without CPU intervention, ideal for digital switch-mode power supplies. The 70 MIPS throughput runs voltage-mode and current-mode control loops at 100-500 kHz switching frequencies. The 12-bit ADC provides high-resolution feedback for output voltage regulation, while the high-speed PWM module generates phase-shifted gate-drive signals for full-bridge and LLC topologies. According to Microchip AN1114, the PIC24EP can implement digital PFC achieving >0.99 power factor with <3% THD. Industrial-grade -40 C to +85 C operation supports server, telecom, and industrial PSU designs.
Recommended
Capacitive Touch User Interface
The PIC24EP128GP204T-I/TL's integrated Charge Time Measurement Unit (CTMU) enables robust capacitive touch sensing without external components. The CTMU generates sub-microsecond current pulses through touch electrodes and measures the resulting voltage with the 12-bit ADC, detecting finger presence with sub-pF resolution. Per Microchip AN1375, the CTMU supports up to 32 touch channels with hardware-accelerated scanning and automatic baseline tracking. Combined with the 128 KB Flash for touch pattern libraries and 16 KB SRAM for gesture recognition buffers, the part replaces dedicated touch-controller ICs in appliance, industrial HMI, and consumer product designs, reducing BOM and PCB area.
Recommended
High-End LED Lighting Driver
The PIC24EP128GP204T-I/TL supports multi-channel LED drivers for architectural, stage, and horticultural lighting. The 70 MIPS core runs ColorMixing algorithms and DMX/RDM protocol stacks, while the high-resolution PWM outputs drive constant-current LED drivers with 16-bit dimming depth. The integrated op-amps feedback from current-sense resistors, and the CTMU can detect touch panels for color-picking interfaces. The 128 KB Flash stores dimming curves, color-temperature lookup tables, and DMX personality configurations. Industrial temperature rating and 3.3 V operation suit outdoor commercial lighting fixtures requiring reliable operation across -20 C to +70 C ambient conditions with minimal thermal derating.
Recommended
Industrial Sensor Conditioning & IoT Edge Node
The PIC24EP128GP204T-I/TL's integrated op-amps, comparators, and 12-bit ADC enable direct interfacing with bridge sensors, thermocouples, RTDs, and 4-20 mA current loops. The CTMU measures resistance, capacitance, and temperature with sub-percent accuracy. UART, SPI, and I2C peripherals connect to wireless modules (Wi-Fi, LoRa, BLE) for IoT edge nodes transmitting sensor data to cloud platforms. The 16 KB SRAM buffers time-series data while the 128 KB Flash hosts Modbus, CAN, or MQTT protocol stacks. Per Microchip AN1416, the part's low-power Run/Idle/Sleep modes extend battery life to multi-year operation in remote sensor deployments with 3.3 V lithium primary cells.
Recommended
Medical Instrumentation & Patient Monitoring
The PIC24EP128GP204T-I/TL delivers precision analog performance required for medical instrumentation including pulse oximeters, blood-pressure monitors, infusion pumps, and ECG front-ends. The 12-bit ADC at 500 ksps digitizes bioelectric signals with low noise; the integrated op-amps implement instrumentation-amp front-ends for ECG/EEG with high CMRR. The CTMU can measure respiration rate via capacitive chest-band sensing. With 128 KB Flash, the part supports FDA-compliant firmware libraries with self-test and watchdog functions. Per Microchip AN1262, the PIC24EP family is designed for IEC 60601-1 compliant medical devices requiring reliable deterministic real-time control with industrial-grade reliability.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP128GP204T-I/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP128GP204-I/TL | PIC24EP128GP204T-E/TL | PIC24EP256GP204T-I/TL | PIC24EP128GP204T-I/PT |
|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-TQFP (10x10 mm) - differs |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C |
| Internal Op-Amps | 3 | 3 | 3 | 3 | 3 |
| ADC | 12-bit, 500 ksps | 12-bit, 500 ksps | 12-bit, 500 ksps | 12-bit, 500 ksps | 12-bit, 500 ksps |
Key Differentiators
- On-chip op-amps eliminate external signal conditioning (vs STM32F302C8T6)
- Peripheral Trigger Generator (PTG) hardware sequencer (vs PIC24FJ128GA010)
- CTMU enables capacitive touch without external IC (vs PIC24EP128GP204T-I/PT)
Design Notes
The VTLA-44 (6x6 mm) package has an exposed thermal pad on the underside that MUST be soldered to a copper pour on the PCB. Use an array of thermal vias (typically 0.3 mm drill, 0.6 mm pitch, 9-16 vias) connecting the pad to internal ground planes. The thermal pad serves both as the primary heat-dissipation path and as the chip's analog ground reference. Per Microchip DS70615 Section 4, omitting the thermal pad solder connection can result in junction temperatures exceeding 150 C under typical loads, causing thermal shutdown or permanent damage.
Decouple each VDD/VSS pin pair with a 100 nF X7R ceramic capacitor placed within 3 mm of the MCU pins, and add a single 10 uF bulk capacitor near the package power entry. For AVDD/AVSS analog supply pins, use a separate filtered supply rail with a ferrite bead and 100 nF + 10 uF decoupling. The PIC24EP128GP204T-I/TL operates from 3.0 V to 3.6 V; exceeding 3.6 V or reversing polarity will permanently damage the part. Reference Microchip AN1106 for recommended power-tree topologies for noise-sensitive analog designs.
Do not confuse the VTLA-44 (leadless) package with the TQFP-44 (gull-wing leads) variant - they have different PCB footprints and are NOT interchangeable without redesign. The PIC24EP128GP204T-I/TL must be programmed via the ICSP interface (PGECx/PGEDx pins) before any firmware can execute; the part ships without internal Flash content and will appear "dead" until first programming. Estimated: typical first-time programming time via MPLAB ICD 3 or PICkit 4 is 15-30 seconds for a 128 KB Flash image. Reference MPLAB X IDE documentation for production programming workflows.
Compliance Information
RoHS and REACH compliant per Microchip product environmental compliance statements. Not AEC-Q100 qualified - not intended for automotive safety-critical applications. Lead-free (Pb-free) reflow profile per JEDEC J-STD-020.
