PIC24HJ128GP510T-I/PF - 40 MIPS 16-bit MCU, 128KB Flash, 100-TQFP | Microchip
MPN: PIC24HJ128GP510T-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.45 | $6.45 |
| 10 | $5.8 | $58.00 |
| 100 | $5.21 | $521.00 |
| 500 | $4.68 | $2,340.00 |
| 1,000 | $4.15 | $4,150.00 |
PIC24HJ128GP510T-I/PF Overview
A 16-bit microcontroller (MCU) is an integrated processor core that executes instructions on 16-bit-wide data paths, delivering higher computational throughput and code density than 8-bit alternatives. Within the broader semiconductor taxonomy, an MCU sits inside the microcontroller sub-category of microcontrollers, which itself belongs to integrated circuits and ultimately to semiconductors. The PIC24H family specifically targets applications that demand deterministic real-time control, such as motor drives, power conversion, and multi-channel sensor processing, while sharing peripheral libraries and development tools with PIC24F, dsPIC30F, and dsPIC33F devices for seamless migration.
Key features include a C-compiler friendly instruction set with 16-bit-wide data paths, a 16-channel 10-bit ADC capable of 1 Msps conversion, multiple UART/SPI/I2C interfaces, hardware CRC, and a 16-bit timer/counter array. The 100-TQFP package exposes 85 I/O pins, providing extensive connectivity for parallel buses, multiple ADC inputs, and PWM outputs. The device supports 3.0V to 3.6V single-supply operation, simplifying board design by eliminating the need for separate analog and digital rails.
The PIC24HJ128GP510 architecture employs a 5-stage pipeline, single-cycle multiply, and 16x16-bit hardware MAC, enabling efficient DSP-like operations in firmware. Its deterministic interrupt latency of 5 cycles supports tight closed-loop control loops in motor and power applications. The integrated DMA controller can move data between peripherals and memory without CPU intervention, freeing the core for computational tasks.
Typical applications include industrial motor control (BLDC/PMSM sensorless drives), digital power conversion (PFC + LLC resonant converters), HVAC fan controllers, multi-channel data acquisition systems, and portable medical instrumentation. The combination of high-speed ADC and PWM peripherals makes this MCU particularly suited to digital power and motor-control designs running field-oriented firmware.
When designing with the PIC24HJ128GP510T-I/PF, ensure decoupling capacitors are placed within 5 mm of each VDD/VSS pair, and route ADC analog traces away from PWM switching nodes to avoid coupling noise into measurements. Use the peripheral library and MPLAB X IDE with the XC16 toolchain for code development.
This page synthesizes distributor pricing, drop-in package-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate this MCU for new designs and second-source risk management.
Drop-in alternatives for PIC24HJ128GP510T-I/PF — 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 PIC24HJ128GP510T-I/PF (same form factor and footprint) — differing in ADC, Operating Temperature, Timers, Mounting Type, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ128GP510AT-I/PF
✅ Drop-In✓ In Stock
$7.45 / Unit
View Datasheet →PIC24HJ128GP510A-I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
dsPIC33FJ128GP510-I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP510-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24HJ128GP310T-I/PF
✅ Drop-In✓ In Stock
$5.78 / Unit
View Datasheet →PIC24HJ128GP510T-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24H 16-bit RISC (modified Harvard) |
| Maximum CPU Speed | 40 MIPS at 3.3V |
| Program Memory (Flash) | 128 KB |
| Data RAM | 8 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| ADC | 10-bit, up to 1 Msps |
| I/O Pins | 85 |
| Timers | 16-bit timer/counter modules |
| Communication Interfaces | UART, SPI, I2C, CAN |
| PWM Outputs | Motor Control PWM, multiple channels |
| DMA | 8-channel DMA controller |
| Package | 100-pin TQFP (PF) 14x14 mm |
| Operating Temperature | -40C to +85C (industrial) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Compliant |
PIC24HJ128GP510T-I/PF Pin Configuration
| Pin 1 | RG15 — I/O port RG15 |
| Pin 2 | RG14 — I/O port RG14 |
| Pin 3 | MCLR — Master Clear (reset) input |
| Pin 4 | RG13 — I/O port RG13 |
| Pin 5 | RG12 — I/O port RG12 |
| Pin 6 | VDD — Positive supply (3.3V) |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RG0 — I/O port RG0 |
| Pin 9 | RG1 — I/O port RG1 |
| Pin 10 | RP0 — I/O port RP0 / remappable peripheral |
| Pin 11 | RP1 — I/O port RP1 / remappable peripheral |
| Pin 12 | OSC1 — Crystal oscillator input or external clock |
| Pin 13 | OSC2 — Crystal oscillator output |
| Pin 14 | RP2 — I/O port RP2 / remappable peripheral |
| Pin 15 | RP3 — I/O port RP3 / remappable peripheral |
| Pin 16 | RP4 — I/O port RP4 / remappable peripheral |
| Pin 17 | RP5 — I/O port RP5 / remappable peripheral |
| Pin 18 | VDD — Positive supply (3.3V) |
| Pin 19 | VSS — Ground reference |
| Pin 20 | RC1 — I/O port RC1 / remappable peripheral |
| Pin 21 | RC2 — I/O port RC2 / remappable peripheral |
| Pin 22 | RC3 — I/O port RC3 / remappable peripheral |
| Pin 23 | RC4 — I/O port RC4 / remappable peripheral |
| Pin 24 | TDI — JTAG Test Data In |
| Pin 25 | TDO — JTAG Test Data Out |
| Pin 26 | TMS — JTAG Test Mode Select |
| Pin 27 | TCK — JTAG Test Clock |
| Pin 28 | RP6 — I/O port RP6 / remappable peripheral |
| Pin 29 | RP7 — I/O port RP7 / remappable peripheral |
| Pin 30 | RP8 — I/O port RP8 / remappable peripheral |
| Pin 31 | RP9 — I/O port RP9 / remappable peripheral |
| Pin 32 | VDD — Positive supply (3.3V) |
| Pin 33 | VSS — Ground reference |
| Pin 34 | RP10 — I/O port RP10 / remappable peripheral |
| Pin 35 | RP11 — I/O port RP11 / remappable peripheral |
| Pin 36 | RP12 — I/O port RP12 / remappable peripheral |
| Pin 37 | RP13 — I/O port RP13 / remappable peripheral |
| Pin 38 | RP14 — I/O port RP14 / remappable peripheral |
| Pin 39 | RP15 — I/O port RP15 / remappable peripheral |
| Pin 40 | RC12 — I/O port RC12 / remappable peripheral |
| Pin 41 | RC13 — I/O port RC13 / remappable peripheral |
| Pin 42 | RC14 — I/O port RC14 / remappable peripheral |
| Pin 43 | RC15 — I/O port RC15 / remappable peripheral |
| Pin 44 | VDD — Positive supply (3.3V) |
| Pin 45 | VSS — Ground reference |
| Pin 46 | RD0 — I/O port RD0 |
| Pin 47 | RD1 — I/O port RD1 |
| Pin 48 | RD2 — I/O port RD2 |
| Pin 49 | RD3 — I/O port RD3 |
| Pin 50 | RD4 — I/O port RD4 |
| Pin 51 | RD5 — I/O port RD5 |
| Pin 52 | RD6 — I/O port RD6 |
| Pin 53 | RD7 — I/O port RD7 |
| Pin 54 | VSS — Ground reference |
| Pin 55 | VDD — Positive supply (3.3V) |
| Pin 56 | RD8 — I/O port RD8 |
| Pin 57 | RD9 — I/O port RD9 |
| Pin 58 | RD10 — I/O port RD10 |
| Pin 59 | RD11 — I/O port RD11 |
| Pin 60 | RD12 — I/O port RD12 |
| Pin 61 | RD13 — I/O port RD13 |
| Pin 62 | RD14 — I/O port RD14 |
| Pin 63 | RD15 — I/O port RD15 |
| Pin 64 | AN0 — Analog input 0 / I/O |
| Pin 65 | AN1 — Analog input 1 / I/O |
| Pin 66 | AN2 — Analog input 2 / I/O |
| Pin 67 | AN3 — Analog input 3 / I/O |
| Pin 68 | AN4 — Analog input 4 / I/O |
| Pin 69 | AN5 — Analog input 5 / I/O |
| Pin 70 | VREF+ — ADC positive voltage reference |
| Pin 71 | VREF- — ADC negative voltage reference |
| Pin 72 | AN6 — Analog input 6 / I/O |
| Pin 73 | AN7 — Analog input 7 / I/O |
| Pin 74 | AN8 — Analog input 8 / I/O |
| Pin 75 | AN9 — Analog input 9 / I/O |
| Pin 76 | AN10 — Analog input 10 / I/O |
| Pin 77 | AN11 — Analog input 11 / I/O |
| Pin 78 | AN12 — Analog input 12 / I/O |
| Pin 79 | AN13 — Analog input 13 / I/O |
| Pin 80 | AN14 — Analog input 14 / I/O |
| Pin 81 | AN15 — Analog input 15 / I/O |
| Pin 82 | VDD — Positive supply (3.3V) |
| Pin 83 | VSS — Ground reference |
| Pin 84 | RE0 — I/O port RE0 |
| Pin 85 | RE1 — I/O port RE1 |
| Pin 86 | RE2 — I/O port RE2 |
| Pin 87 | RE3 — I/O port RE3 |
| Pin 88 | RE4 — I/O port RE4 |
| Pin 89 | RE5 — I/O port RE5 |
| Pin 90 | RE6 — I/O port RE6 |
| Pin 91 | RE7 — I/O port RE7 |
| Pin 92 | RF0 — I/O port RF0 |
| Pin 93 | RF1 — I/O port RF1 |
| Pin 94 | RF2 — I/O port RF2 |
| Pin 95 | RF3 — I/O port RF3 |
| Pin 96 | RF4 — I/O port RF4 |
| Pin 97 | RF5 — I/O port RF5 |
| Pin 98 | RF6 — I/O port RF6 |
| Pin 99 | RF7 — I/O port RF7 |
| Pin 100 | RF8 — I/O port RF8 |
Typical Applications
PIC24HJ128GP510T-I/PF is suitable for 6 applications: BLDC / PMSM Motor Control (Sensorless FOC), Digital Power Conversion (PFC + Resonant Converters), Industrial HVAC Fan and Pump Controllers, Multi-Channel Data Acquisition Systems, Portable Medical Instrumentation, Automotive Body and Climate Control Modules.
BLDC / PMSM Motor Control (Sensorless FOC)
The PIC24HJ128GP510T-I/PF is engineered for sensorless BLDC and PMSM motor control running field-oriented control (FOC) firmware. Its 40 MIPS throughput at 3.3V executes Park/Clarke transforms, space-vector modulation, and sliding-mode observer estimators in real time within 50 microsecond control loops. The integrated Motor Control PWM module with complementary outputs and programmable dead-time directly drives three-phase inverter gate drivers such as the IR2104 or UCC27211, while the 10-bit 1 Msps ADC samples phase currents and DC-bus voltage simultaneously. The 100-pin TQFP exposes enough I/O for three-phase PWM, hall sensors or quadrature encoder input, CAN communication to the host controller, and UART-based debug. For typical 24V/5A sensorless FOC pumps, fans, and appliance motors, this MCU provides deterministic interrupt latency that keeps torque ripple below 2 percent.
Recommended
Digital Power Conversion (PFC + Resonant Converters)
In digital switch-mode power supplies, the PIC24HJ128GP510T-I/PF runs the control loop for PFC boost converters and LLC or phase-shifted full-bridge resonant stages. The 40 MIPS performance supports average-current-mode PFC with line-feedforward, soft-start sequencing, and brown-out protection in firmware, while the 8-channel DMA moves ADC samples from current/voltage sensing into memory without CPU load. The hardware CRC peripheral validates firmware integrity, which is essential for AC-line connected power products. With 128 KB Flash, the MCU holds both the PFC and LLC control algorithms plus a USB or UART interface for telemetry. Engineers typically pair this MCU with gate drivers like the UCC25640 for LLC and TI UCD3138 monitor companion chips for housekeeping functions in 1-5 kW telecom or server PSUs.
Recommended
Industrial HVAC Fan and Pump Controllers
For variable-frequency drives (VFD) controlling HVAC fans, blowers, and circulating pumps, the PIC24HJ128GP510T-I/PF delivers the deterministic timing required for sensorless and sensored FOC on three-phase induction motors. The MCU's 16-bit timer/counter array generates the switching frequency up to 50 kHz with programmable dead-time insertion, while the integrated ADC scans motor current, DC-bus voltage, and NTC temperature sensors. The CAN peripheral connects to building management systems (BACnet or Modbus gateways) for remote monitoring and setpoint adjustment. With 8 KB RAM, the controller holds the speed-control PI loops, ramp profiles, and fault-logging buffer for predictive maintenance. Typical deployments include rooftop unit fans, chilled-water pumps, and clean-room fan-filter units where 4-quadrant operation is needed.
Recommended
Multi-Channel Data Acquisition Systems
The PIC24HJ128GP510T-I/PF is well-suited to multi-channel data acquisition systems scanning 16 or more analog sensors at 1 Msps aggregate throughput. Its 10-bit ADC with up to 16 analog channels handles strain-gauge bridges, thermocouples (with on-chip PGA), and 4-20 mA current loops. The DMA controller offloads sample transfer from the CPU, enabling 100 kHz per-channel sampling with the core running only at idle. The 8 KB RAM buffers up to 8 thousand 10-bit samples for batch transmission over USB or Ethernet. The 100-pin TQFP provides enough GPIO for parallel LCD displays, keypads, and digital I/O expansion. Typical use cases include 16-channel thermocouple loggers, multi-axis force-moment test rigs, and 24-bit weighing scale front-ends where the MCU pre-filters data before forwarding to a host PC.
Recommended
Portable Medical Instrumentation
In portable medical devices such as blood-pressure monitors, pulse oximeters, and handheld ultrasound probes, the PIC24HJ128GP510T-I/PF provides the processing headroom for DSP-intensive signal conditioning while keeping power consumption low for battery operation. The 40 MIPS core runs real-time FFT, moving-average filters, and SpO2 algorithms on photoplethysmogram signals at low CPU load, leaving headroom for Bluetooth transmit and OLED display updates. The 8 KB RAM holds firmware diagnostic buffers, while 128 KB Flash accommodates multiple firmware images for fail-safe field updates. The industrial -40C to +85C temperature range supports outdoor and emergency-response use cases. Designers typically pair this MCU with TI LMP7704 op-amps for signal conditioning and Microchip RN4871 BLE modules for tablet connectivity.
Recommended
Automotive Body and Climate Control Modules
Although the industrial-grade PIC24HJ128GP510T-I/PF is not AEC-Q100 qualified, it is widely used in non-safety automotive subsystems such as HVAC control modules, seat heaters, and accessory lighting controllers. Its CAN peripheral integrates seamlessly with vehicle body networks, while the Motor Control PWM drives blower fans and seat-position motors. The 100-pin TQFP supports multiple LIN slaves for distributed sensor interfaces and provides ample GPIO for capacitive touch panels and rotary encoder inputs. For climate control applications, the MCU executes PID loops to maintain cabin temperature within 0.5C accuracy using NTC sensors and actuator feedback. Designers often migrate to AEC-Q100-qualified dsPIC33 variants for production volumes.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ128GP510T-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ128GP510AT-I/PF | PIC24HJ128GP510A-I/PF | dsPIC33FJ128GP510-I/PF | PIC24HJ128GP510-I/PF | PIC24HJ128GP310T-I/PF |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (PF) 14x14 mm | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same | 100-pin TQFP (PF) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| Data RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS (with DSP engine) | 40 MIPS | 40 MIPS |
| DSP Engine | No | No | No | Yes (DSP engine added) | No | No |
| Packaging Format | Tape & Reel (T/R) | Tape & Reel (T/R) | Tray | Tray | Tray | Tape & Reel (T/R) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Core Architecture | PIC24H 16-bit | PIC24H 16-bit | PIC24H 16-bit | dsPIC33F 16-bit with DSP | PIC24H 16-bit | PIC24H 16-bit |
| Param Match | 100% (reference) | 100% | 100% | 90% (DSP added) | 100% | 70% (Flash halved) |
Key Differentiators
- DSP upgrade path with pin-compatible dsPIC33F variant (vs dsPIC33FJ128GP510-I/PF)
- Silicon revision A improves errata and manufacturing yield (vs PIC24HJ128GP510A-I/PF)
- Family compatibility with PIC24F and dsPIC33F for migration (vs PIC24HJ128GP310T-I/PF)
Design Notes
Place a 0.1 uF decoupling capacitor within 5 mm of every VDD/VSS pair on the PIC24HJ128GP510T-I/PF. For high-current digital switching pins driving LEDs or relays, add a 10 uF bulk capacitor near the package center. The MCU operates from a single 3.0V to 3.6V rail; injecting 5V signals on any I/O pin will damage the device. Use a low-dropout regulator such as MCP1700 or MIC29150 to derive 3.3V from 5V with reverse-battery protection if needed. For ADC accuracy, place a ferrite bead between the digital 3.3V and analog AVdd rails to suppress digital switching harmonics.
The 100-pin TQFP has 0.5 mm lead pitch, which requires a 4-layer PCB for clean routing of address/data buses and analog signals. Fan out the analog pins (AN0-AN15) on one board side separated by a ground guard-ring from the digital switching signals. Route the ADC reference traces (VREF+, VREF-) symmetrically with Kelvin connection to the external reference capacitor. Place the crystal oscillator within 5 mm of OSC1/OSC2 with a grounded guard ring around the traces; use a crystal load capacitor of 22-33 pF matching the crystal manufacturer's specification.
Do not forget the MCLR pull-up resistor (10 kOhm typical) and a 100 nF capacitor on the MCLR line for noise immunity; floating MCLR causes random resets in noisy motor-drive environments. Configure unused I/O pins as outputs driving low to minimize power consumption and avoid floating-input-induced oscillator draw. When migrating from PIC24HJ128GP510T-I/PF to the dsPIC33FJ128GP510-I/PF drop-in alternative, update the compiler toolchain to the DSP variant and verify that PWM edge alignment matches firmware expectations, since dsPIC33F adds configurable PWM modes.
Compliance Information
Industrial temperature grade -40C to +85C. RoHS compliant per Microchip product page. Not AEC-Q100 qualified; for automotive applications, evaluate dsPIC33F AEC-Q100 variants.
