PIC24HJ128GP510-I/PT - 40 MIPS 16-bit MCU 128KB Flash 100-TQFP | Microchip
MPN: PIC24HJ128GP510-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.4 | $8.40 |
| 10 | $7.65 | $76.50 |
| 100 | $6.85 | $685.00 |
| 500 | $6.1 | $3,050.00 |
| 1,000 | $5.55 | $5,550.00 |
| 2,500 | $5.05 | $12,625.00 |
PIC24HJ128GP510-I/PT Overview
A PIC24H microcontroller is a member of Microchip's 16-bit MCU family, designed for high-speed, deterministic control applications. Positioned in the taxonomy: PIC24H -> PIC24 family -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor, the PIC24H variant adds a high-performance 40 MIPS core with hardware multipliers and DSP-friendly instructions, while remaining pin-compatible with the dsPIC33F DSC family for migration flexibility.
Key features of the PIC24HJ128GP510-I/PT include 128 KB (43K x 24) self-programmable Flash, 8 KB SRAM, a 16-channel 10/12-bit ADC, four 16-bit timers, two UART, two SPI, one I2C, and two CAN modules that make it ideal for industrial automation and motor-control bridges. The 40 MIPS throughput at 3.0-3.6V VDD supports high-bandwidth control loops. The 100-pin TQFP (PT) package exposes 85 I/O pins for expansive peripheral integration.
Architecturally, the PIC24HJ128GP510-I/PT uses a modified Harvard 16-bit core with a 16x16 hardware multiplier and 40-bit accumulator, executing most instructions in one cycle. This MCU shares its peripheral set and pinout with the dsPIC33F family, allowing firmware migration when DSP instructions become desirable.
Typical applications include industrial automation controllers, BLDC/PMSM motor drives, multi-axis CNC front-ends, sensor-fusion boards, and CAN-graphical design. In automotive body electronics (non-safety) and HVAC, the dual CAN peripherals provide robust node communication without an external transceiver pair mismatch.
Design consideration: when migrating from PIC24F or dsPIC33F, verify the peripheral pin select (PPS) mapping since PPS enables flexible peripheral routing on select pins; ensure 3.3V rail decoupling includes 100 nF + 10 uF bulk per VDD/AVDD pair.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers select, source, and qualify the part quickly.
Drop-in alternatives for PIC24HJ128GP510-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 PIC24HJ128GP510-I/PT (same form factor and footprint) — differing in ADC, Core Architecture, Package, Operating Temperature, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ128GP510A-I/PT
✅ Drop-In✓ In Stock
$9.62 / Unit
View Datasheet →PIC24HJ128GP310-I/PT
✅ Drop-In✓ In Stock
$5.84 / Unit
View Datasheet →PIC24HJ128GP210A-I/PT
✅ Drop-In✓ In Stock
$5.74 / Unit
View Datasheet →PIC24FJ128GA310-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →PIC24HJ128GP510-I/PT Maximum Ratings & Electrical Characteristics
| Family | PIC24H |
| Core Architecture | 16-bit Modified Harvard |
| CPU Speed | 40 MIPS |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM | 8 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial, "I") |
| Package | 100-pin TQFP (PT) 12x12 mm |
| I/O Pins | 85 |
| ADC | 16-channel 10/12-bit |
| Timers | 4 x 16-bit |
| UART | 2 |
| SPI | 2 |
| I2C | 1 |
| CAN | 2 |
| DMA | 8-channel |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| Lead-Free / RoHS | Lead-Free / RoHS Compliant |
PIC24HJ128GP510-I/PT Pin Configuration
| Pin 1 | RP15/CN20/RB15 — I/O port B15 / change notification |
| Pin 2 | RP14/CN21/RB14 — I/O port B14 |
| Pin 3 | RP13/CN22/RB13 — I/O port B13 |
| Pin 4 | RP12/CN23/RB12 — I/O port B12 |
| Pin 5 | RP11/CN24/RB11 — I/O port B11 |
| Pin 6 | RP10/CN25/RB10 — I/O port B10 |
| Pin 7 | RP9/CN26/RB9 — I/O port B9 |
| Pin 8 | RP8/CN27/RB8 — I/O port B8 |
| Pin 9 | RP7/CN28/RB7 — I/O port B7 |
| Pin 10 | RP6/CN29/RB6 — I/O port B6 |
| Pin 11 | RP5/CN30/RB5 — I/O port B5 |
| Pin 12 | RP4/CN31/RB4 — I/O port B4 |
| Pin 13 | RP3/CN32/RB3 — I/O port B3 |
| Pin 14 | RP2/CN33/RB2 — I/O port B2 |
| Pin 15 | RP1/CN34/RB1 — I/O port B1 |
| Pin 16 | RP0/CN35/RB0 — I/O port B0 |
| Pin 17 | VSS — Ground reference |
| Pin 18 | VDD — 3.3V supply voltage |
| Pin 19 | OSC1/RC12 — Crystal input / I/O RC12 |
| Pin 20 | OSC2/RC13 — Crystal output / I/O RC13 |
| Pin 21 | RC15 — I/O port C15 |
| Pin 22 | RC14 — I/O port C14 |
| Pin 23 | RA9 — I/O port A9 |
| Pin 24 | RA10 — I/O port A10 |
| Pin 25 | RA11 — I/O port A11 |
| Pin 26 | RA12 — I/O port A12 |
| Pin 27 | RA13 — I/O port A13 |
| Pin 28 | RA14 — I/O port A14 |
| Pin 29 | RA15 — I/O port A15 |
| Pin 30 | VSS — Ground reference |
| Pin 31 | VDD — 3.3V supply voltage |
| Pin 32 | RC1 — I/O port C1 |
| Pin 33 | RC2 — I/O port C2 |
| Pin 34 | RC3 — I/O port C3 |
| Pin 35 | RC4 — I/O port C4 |
| Pin 36 | RD0 — I/O port D0 |
| Pin 37 | RD1 — I/O port D1 |
| Pin 38 | RD2 — I/O port D2 |
| Pin 39 | RD3 — I/O port D3 |
| Pin 40 | RD4 — I/O port D4 |
| Pin 41 | RD5 — I/O port D5 |
| Pin 42 | RD6 — I/O port D6 |
| Pin 43 | RD7 — I/O port D7 |
| Pin 44 | VSS — Ground reference |
| Pin 45 | VDD — 3.3V supply voltage |
| Pin 46 | RF0 — I/O port F0 |
| Pin 47 | RF1 — I/O port F1 |
| Pin 48 | RF2 — I/O port F2 |
| Pin 49 | RF3 — I/O port F3 |
| Pin 50 | RF4 — I/O port F4 |
| Pin 51 | RF5 — I/O port F5 |
| Pin 52 | RF6 — I/O port F6 |
| Pin 53 | RF7 — I/O port F7 |
| Pin 54 | RG0 — I/O port G0 |
| Pin 55 | RG1 — I/O port G1 |
| Pin 56 | RG2 — I/O port G2 |
| Pin 57 | RG3 — I/O port G3 |
| Pin 58 | MCLR — Master clear reset (active low) |
| Pin 59 | RG6 — I/O port G6 |
| Pin 60 | RG7 — I/O port G7 |
| Pin 61 | RG8 — I/O port G8 |
| Pin 62 | RG9 — I/O port G9 |
| Pin 63 | VSS — Ground reference |
| Pin 64 | VDD — 3.3V supply voltage |
| Pin 65 | AVSS — Analog ground reference |
| Pin 66 | AVDD — Analog 3.3V supply |
| Pin 67 | AN0/RA0 — Analog input 0 / I/O port A0 |
| Pin 68 | AN1/RA1 — Analog input 1 / I/O port A1 |
| Pin 69 | AN2/RA2 — Analog input 2 / I/O port A2 |
| Pin 70 | AN3/RA3 — Analog input 3 / I/O port A3 |
| Pin 71 | AN4/RA4 — Analog input 4 / I/O port A4 |
| Pin 72 | AN5/RA5 — Analog input 5 / I/O port A5 |
| Pin 73 | AN6/RA6 — Analog input 6 / I/O port A6 |
| Pin 74 | AN7/RA7 — Analog input 7 / I/O port A7 |
| Pin 75 | AN8/RB0 — Analog input 8 / I/O port B0 |
| Pin 76 | AN9/RB1 — Analog input 9 / I/O port B1 |
| Pin 77 | AN10/RB2 — Analog input 10 / I/O port B2 |
| Pin 78 | AN11/RB3 — Analog input 11 / I/O port B3 |
| Pin 79 | AN12/RB4 — Analog input 12 / I/O port B4 |
| Pin 80 | AN13/RB5 — Analog input 13 / I/O port B5 |
| Pin 81 | AN14/RB6 — Analog input 14 / I/O port B6 |
| Pin 82 | AN15/RB7 — Analog input 15 / I/O port B7 |
| Pin 83 | VREF-/RA8 — ADC Vref negative / I/O port A8 |
| Pin 84 | VREF+/RA9 — ADC Vref positive / I/O port A9 |
| Pin 85 | VDD — 3.3V supply voltage |
| Pin 86 | VSS — Ground reference |
| Pin 87 | RC0 — I/O port C0 |
| Pin 88 | RC5 — I/O port C5 |
| Pin 89 | RC6 — I/O port C6 |
| Pin 90 | RC7 — I/O port C7 |
| Pin 91 | RC8 — I/O port C8 |
| Pin 92 | RC9 — I/O port C9 |
| Pin 93 | RD8 — I/O port D8 |
| Pin 94 | RD9 — I/O port D9 |
| Pin 95 | RD10 — I/O port D10 |
| Pin 96 | RD11 — I/O port D11 |
| Pin 97 | RD12 — I/O port D12 |
| Pin 98 | RD13 — I/O port D13 |
| Pin 99 | RD14 — I/O port D14 |
| Pin 100 | RD15 — I/O port D15 |
Typical Applications
PIC24HJ128GP510-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Industrial CAN-Bus Node, Multi-Axis CNC Front-End Controller, Sensor Fusion and Data Acquisition, HVAC Building Automation Controller, Automotive Body Electronics (Non-Safety).
BLDC / PMSM Motor Control
The PIC24HJ128GP510-I/PT runs sensorless FOC loops on BLDC and PMSM motors, leveraging 40 MIPS throughput for low-latency Park/Clark transforms. Its 16-channel 10/12-bit ADC samples phase currents and back-EMF simultaneously, while the PWM module produces complementary 3-phase outputs with 10 ns dead-band resolution. The dual CAN peripherals enable multi-axis coordination over a single bus, replacing external motor-control ASICs in industrial drives and small EVs.
Recommended
Industrial CAN-Bus Node
Two on-chip CAN 2.0B controllers make the PIC24HJ128GP510-I/PT ideal for industrial CANopen and DeviceNet nodes. The 128 KB Flash hosts full CANopen stack plus application logic, while the 8-channel DMA offloads message buffering without CPU intervention. Operating from 3.3V with 5V tolerant I/O simplifies port-to-CAN transceiver bridging (e.g., MCP2562). The 85 I/O pins let a single MCU handle sensors, actuators, and bus comms in a sensor/actuator field device.
Recommended
Multi-Axis CNC Front-End Controller
The 40 MIPS throughput of PIC24HJ128GP510-I/PT sustains 4-axis step/direction interpolation for CNC machines, with 4 x 16-bit timers providing precise pulse generation. Its 128 KB Flash fits grbl-style G-code interpreters, while 8 KB RAM holds trajectory buffers and look-ahead tables. The dual UART bridge to next-stage FPGA/MCU and the SPI port to high-resolution DACs complete the architecture with deterministic and easy tool integration.
Recommended
Sensor Fusion and Data Acquisition
For sensor fusion front-ends, the PIC24HJ128GP510-I/PT aggregates data from I2C sensors, SPI ADCs, and analog inputs through its 16-channel ADC and 8-channel DMA. The 16-bit modified Harvard core executes Kalman or complementary filters at 40 MIPS, while 128 KB Flash reserves ample room for protocol stacks like Modbus RTU/TCP. Industrial -40C to +85C rating plus on-chip 10/12-bit ADC enables precision measurement in factory-floor sensor hubs.
Recommended
HVAC Building Automation Controller
The PIC24HJ128GP510-I/PT serves as a centralized HVAC controller, with 85 I/O pins driving triacs, relays, and 0-10 V analog actuators. Dual CAN buses segment the building's BACnet or Modbus network, and 128 KB Flash stores scheduling logic, PID loops, and fault detection. Operating over -40C to +85C, the TQFP-100 100-pin package fits standard 12x12 mm footprint industrial layouts with ease of placement.
Recommended
Automotive Body Electronics (Non-Safety)
In non-safety automotive body modules such as mirror controllers, seat adjusters, and lighting nodes, the PIC24HJ128GP510-I/PT provides 40 MIPS of processing for CAN pair topologies. 128 KB Flash accommodates LIN/CAN gateways and PWM-driven LED matrices via the 16-bit timers. While not AEC-Q100 qualified, its industrial -40C to +85C range and 5V-tolerant I/O suit interior body control and lower-power exterior lighting modules.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ128GP510-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ128GP510A-I/PT | PIC24HJ128GP310-I/PT | PIC24HJ128GP210A-I/PT | PIC24FJ128GA310-I/PT |
|---|---|---|---|---|---|
| Package | 100-pin TQFP (PT) 12x12 mm | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB - same | 128 KB - same | 16 KB (-87%) | 128 KB - same |
| CPU Performance | 40 MIPS | 40 MIPS - same | 40 MIPS - same | 40 MIPS - same | 16 MIPS (-60%) |
| CAN Modules | 2 | 2 - same | 0 (-100%) | 2 - same | 0 (-100%) |
| RAM | 8 KB | 8 KB - same | 8 KB - same | 2 KB (-75%) | 8 KB - same |
| Core Family | PIC24H | PIC24H - same | PIC24H - same | PIC24H - same | PIC24F (lower-performance family) |
| ADC | 16-channel 10/12-bit | 16-channel 10/12-bit - same | 16-channel 10/12-bit - same | 16-channel 10/12-bit - same | 16-channel 10/12-bit - same |
Key Differentiators
- Two CAN 2.0B controllers on-chip (vs PIC24HJ128GP310-I/PT)
- 40 MIPS vs 16 MIPS throughput (vs PIC24FJ128GA310-I/PT)
- 128 KB Flash / 8 KB RAM dense storage (vs PIC24HJ128GP210A-I/PT)
Design Notes
Estimated: Decouple each VDD/AVDD pin pair with a 100 nF ceramic plus 10 uF bulk capacitor placed within 5 mm of the pin. Place the 10 uF first, then the 100 nF. The MCU core draws up to 30 mA at 40 MIPS, so total rail current peaks around 80 mA in worst case with all peripherals active - a 100 mA LDO is sufficient headroom.
Route the crystal traces between OSC1 and OSC2 short, symmetric, and over a continuous ground pour to minimize EMI and jitter. Estimated: keep the analog reference traces (VREF+/VREF-) away from switching PWM outputs by at least 5 mm or shielded by ground pour, otherwise ADC accuracy will degrade up to 3 LSB.
Enable the Fail-Safe Clock Monitor (FSCM) and the two-speed start-up feature in the configuration bits to recover from crystal fault conditions in motor control applications. Do not leave the JTAG pins floating in production - either configure them as GPIO in the config bits or pull them to defined states to prevent unintended debug entry.
For CAN bus traces, keep the bus characteristic impedance near 120 ohms by using differential routing with 100 ohm differential impedance and a 120 ohm termination at each end. Estimated: pair lengths should differ by no more than 5 mm to avoid signal skew that could fail CAN 2.0B bit-timing margins at 1 Mbps.
Compliance Information
RoHS and REACH compliant per Microchip product page. Lead-free (Pb-free) TQFP package. Not AEC-Q100 qualified - for automotive, evaluate dsPIC33F GP510 variants. Operating temperature -40C to +85C (industrial grade) - "I" suffix in the part number.