PIC24HJ128GP510AT-I/PT - 16-bit 40MIPS MCU 128KB Flash | Microchip
MPN: PIC24HJ128GP510AT-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.42 | $11.42 |
| 10 | $10.27 | $102.70 |
| 100 | $8.79 | $879.00 |
| 500 | $7.45 | $3,725.00 |
| 1,000 | $6.18 | $6,180.00 |
PIC24HJ128GP510AT-I/PT Overview
A 16-bit microcontroller (MCU) is a microprocessor that processes data 16 bits at a time, sitting between 8-bit MCUs (lower cost, simpler control) and 32-bit MCUs (higher throughput, more complex OS). The PIC24H architecture uses a modified Harvard RISC core with deterministic interrupt latency and a single-cycle hardware multiplier/DSP engine, positioning it between the 8-bit PIC18 family and the 32-bit PIC32/PIC32MM families in Microchip's portfolio.
Key features include 128 KB Flash, 8 KB RAM, 53 digital I/O pins, four 16-bit timers, two UART/SPI/I2C ports, ECAN, a 16-channel 12-bit ADC with 500 ksps throughput, and a parallel master port (PMP). The industrial-grade -40C to +85C operating range suits process control and motor drive applications. The wide peripheral set replaces glue logic and external ADCs in many designs.
The PIC24HJ128GP510A die uses 0.25-micron CMOS with on-chip voltage scaling and a phase-locked loop (PLL) to derive 40 MIPS from a 10 MHz crystal, while a redundant watchdog timer and dual brown-out reset improve field reliability. The instruction set is fully compatible with the dsPIC33F DSC family, so firmware is portable between control-only and DSP+control designs.
Typical applications include industrial motor control (BLDC, PMSM, stepper), power conversion (digital PFC, solar micro-inverter), factory automation PLCs, automotive sensor interfaces, and medical instrumentation. The combination of CAN/ECAN, motor-control PWMs and a 12-bit ADC makes it well suited for closed-loop motor and power-electronic control.
When designing with this device, allocate a 4-byte configuration word in Flash, decouple the analog and digital VDD rails separately, and follow Microchip's emulator header layout for MPLAB REAL ICE/ICD debugging. Use the DMA controller for ADC-to-memory transfers to free the CPU for control loops.
Drop-in alternatives for PIC24HJ128GP510AT-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 PIC24HJ128GP510AT-I/PT (same form factor and footprint) — differing in Package, ADC, Core Architecture, Program Memory (Flash), Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ128GP510A-I/PT
✅ Drop-In✓ In Stock
$9.62 / Unit
View Datasheet →PIC24HJ128GP510AT-I/PF
✅ Drop-In✓ In Stock
$7.45 / Unit
View Datasheet →PIC24HJ128GP510A-E/PT
✅ Drop-In✓ In Stock
$6.4 / Unit
View Datasheet →PIC24HJ256GP610AT-I/PT
✅ Drop-In✓ In Stock
$9.45 / Unit
View Datasheet →DSPIC33FJ128GP710AT-I/PT
✅ Drop-In✓ In Stock
$6.05 / Unit
View Datasheet →PIC24HJ64GP506AT-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP510AT-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24H 16-bit RISC modified Harvard |
| Core Size | 16-bit |
| Maximum CPU Speed | 40 MIPS @ 40 MHz |
| Program Memory (Flash) | 128 KB (43K x 24 words) |
| Data RAM | 8 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 53 |
| ADC | 10/12-bit, 16 channels, 500 ksps |
| Timers | 4 x 16-bit, 2 x 32-bit (combined) |
| Communication | 2x UART, 2x SPI, 1x I2C, ECAN, PMP |
| DMA Channels | 8 |
| Motor Control PWM | Yes (6 PWM outputs) |
| Package | 100-TQFP (12x12 mm) |
| Operating Temperature | -40C to +85C (industrial) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Programming/Debug | MPLAB ICD 3, REAL ICE, ICSP |
PIC24HJ128GP510AT-I/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for PIC24HJ128GP510AT-I/PT (100-tqfp (12x12 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 PIC24HJ128GP510AT-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24HJ128GP510AT-I/PT is suitable for 7 applications: Industrial BLDC / PMSM Motor Control, Digital Power Factor Correction (PFC) / Solar Micro-Inverter, Factory Automation PLC / Sensor Interface, Automotive Body Control / Sensor Node, Medical Instrumentation / Patient Monitoring, Building Automation / HVAC Controller, DSP Audio Effects / Guitar Pedal / Effects Processor.
Industrial BLDC / PMSM Motor Control
The PIC24HJ128GP510AT-I/PT's 40 MIPS core, 6-channel motor-control PWM, and 12-bit 500 ksps ADC with PWM-synchronized sampling make it a strong fit for sensorless and sensored BLDC/PMSM drives. With 128 KB Flash and 8 KB RAM it can host a full FOC firmware stack including Park/Clark transforms, SVPWM, and PI controllers without external memory. The ECAN module allows integration into industrial CANopen networks alongside other drives.
Recommended
Digital Power Factor Correction (PFC) / Solar Micro-Inverter
The PIC24HJ128GP510AT-I/PT executes average-current-mode PFC and MPPT algorithms at 40 MIPS with deterministic interrupt latency, suitable for digital power conversion up to several kW. The 12-bit ADC samples current/voltage at the PWM rate, while DMA moves conversion results to memory without CPU intervention, freeing MIPS for the control loop. With 128 KB Flash it can host a 50/60 Hz PFC plus an MPPT engine simultaneously.
Recommended
Factory Automation PLC / Sensor Interface
The PIC24HJ128GP510AT-I/PT's 53 digital I/O pins, 16 analog inputs, dual UART, SPI and I2C ports, plus ECAN allow it to consolidate PLC logic, sensor reading, and fieldbus communication in a single chip. Industrial -40C to +85C operation and AEC-Q100-grade screening by Microchip (industrial process) suit 24V factory-floor environments. The PMP bus can drive parallel-character LCDs and external logic.
Recommended
Automotive Body Control / Sensor Node
With ECAN, 12-bit ADC, and PWMs the PIC24HJ128GP510AT-I/PT can serve as a body-control module running seat-control, lighting, mirror-fold, or HVAC damper loops over a CAN bus at 500 kbit/s. The 128 KB Flash hosts a CANopen or J1939 stack, while 8 KB RAM buffers diagnostic messages. Designers targeting automotive-grade should select the E-suffix variant (-40C to +125C) for underhood zones.
Recommended
Medical Instrumentation / Patient Monitoring
The PIC24HJ128GP510AT-I/PT's 12-bit ADC at 500 ksps captures biosignal waveforms (ECG, SpO2 plethysmogram) at sample rates up to 1 kHz per channel while the CPU runs display, filtering, and serial reporting. The 8 KB RAM buffers a full ECG strip, and the 53 I/O pins drive character displays and serial peripherals. Industrial -40C to +85C operation suits bedside monitoring hardware.
Recommended
Building Automation / HVAC Controller
The PIC24HJ128GP510AT-I/PT consolidates thermostat logic, damper control, and Modbus/CAN networking in a single device. Its 128 KB Flash stores scheduling, PID loops, and Modbus RTU firmware, while the 6-channel PWM drives proportional damper and valve actuators. Industrial temperature and 53 I/O pins allow direct connection to 24V relays and triac outputs typical in HVAC control boards.
Recommended
DSP Audio Effects / Guitar Pedal / Effects Processor
For audio-effects designs, the PIC24HJ128GP510AT-I/PT can run simple 16-bit DSP algorithms (chorus, flanger, simple reverb) at 40 MIPS. The 12-bit ADC samples guitar/instrument input at 44.1 ksps while PWM or external DAC outputs the wet signal. The 128 KB Flash stores preset tables; the 8 KB RAM buffers one audio frame at 22 ksps mono. Upgrade to dsPIC33FJ128GP710AT-I/PT for full 16-bit MAC-driven reverb/delay.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ128GP510AT-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ128GP510A-I/PT | PIC24HJ128GP510A-E/PT | PIC24HJ256GP610AT-I/PT | dsPIC33FJ128GP710AT-I/PT | PIC24HJ64GP506AT-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Core / Architecture | PIC24H 16-bit RISC | PIC24H 16-bit RISC | PIC24H 16-bit RISC | PIC24H 16-bit RISC | dsPIC33F 16-bit DSC with DSP engine | PIC24H 16-bit RISC |
| Max CPU Speed | 40 MIPS @ 40 MHz | 40 MIPS @ 40 MHz | 40 MIPS @ 40 MHz | 40 MIPS @ 40 MHz | 50 MIPS @ 50 MHz | 40 MIPS @ 40 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB + DSP engine | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 16 KB | 16 KB | 8 KB |
| I/O Pins | 53 | 53 | 53 | 85 | 53 | 53 |
| ADC | 10/12-bit, 16-ch | 10/12-bit, 16-ch | 10/12-bit, 16-ch | 10/12-bit, 16-ch | 10/12-bit, 16-ch | 10/12-bit, 16-ch |
| ECAN | Yes | Yes | Yes | Yes | Yes | Yes |
| Temperature Grade | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Tape-and-reel (T) shipping variant optimized for automated SMT assembly (vs PIC24HJ128GP510A-I/PT)
- Industrial -40C to +85C temperature range matches the bulk of process-control and factory automation deployments (vs PIC24HJ128GP510A-E/PT)
- dsPIC33F instruction-set compatibility allows migration to DSP without code rewrite (vs dsPIC33FJ128GP710AT-I/PT)
Design Notes
The PIC24HJ128GP510AT-I/PT has separate AVDD/AVSS rails for the ADC that should be filtered with a ferrite bead from the digital VDD. Place a 10 uF + 0.1 uF decoupling pair on each of VDD/VSS pairs and a single 10 uF tantalum on VCAP (core regulator output). Brown-out reset and the dual-watchdog timer must be enabled in the configuration words for industrial reliability.
Route the analog signals (AN0..AN15) away from switching signals such as PWM and ECAN TX/RX. Place the device on a 4-layer PCB with a dedicated ground plane; the 100-TQFP exposed pad (where applicable) must be soldered to the ground plane. Follow Microchip's analog layout guidelines for the ADC, including symmetric star grounding at the AVDD pin.
Do not exceed the 3.6 V absolute maximum on any pin, even briefly - the 5V-tolerant digital pins tolerate 5V only when configured as digital inputs, not as outputs. When migrating from PIC24HJ128GP510AT-I/PT to PIC24HJ256GP610AT-I/PT, verify that the configuration words (FBS, FSS, FGS) match the larger Flash size or boot loader will lock up. Always use the latest MPLAB XC16 compiler for hardware divide support.
ECAN TX/RX lines should be terminated with 120 ohm resistors at each end of the bus and twisted-pair routed with a ground reference. For SPI signals above 10 MHz use series resistors near the driver to dampen ringing; for the parallel master port (PMP) keep traces under 50 mm and match lengths within 5 mm to preserve setup/hold margins at 30 MHz PMP rates.
Compliance Information
RoHS and lead-free compliance per Microchip product page; industrial -40C to +85C temperature grade, not AEC-Q100 qualified - for automotive AEC-Q100 select the dsPIC33FJ128GP710AT-I/PT-Q1 grade variant. Halogen-free status not explicitly stated in the verified web data.
