Microchip Technology

PIC24HJ128GP510A-H/PF - 16-bit 40 MIPS 128KB Flash MCU | Microchip

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3.0 V to 3.6 V Vdss 100-pin TQFP (14x14 mm, PF suffix) Package 40 MIPS (80 MHz Fosc, Fcy = Fosc/2) Speed 128 KB (43K x 24 instructions) Memory
From $8.94 USD / Unit
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Price updated: 2026-09-30
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Qty Unit Price Extended
1 $13.42 $13.42
10 $12.08 $120.80
100 $10.91 $1,091.00
500 $9.85 $4,925.00
1,000 $8.94 $8,940.00
ℹ️ All prices are in USD

PIC24HJ128GP510A-H/PF Overview

The Microchip PIC24HJ128GP510A-H/PF is a 16-bit PIC24H microcontroller with 128 KB of Flash program memory (43K x 24 words), 8 KB of SRAM, and a 40 MIPS modified Harvard RISC core, housed in a 100-pin TQFP (14x14 mm) package with AEC-Q100 automotive qualification. The "-H" temperature grade corresponds to an extended industrial range of -40C to +150C, and the "A" suffix denotes the silicon revision that lifts performance from 30 to 40 MIPS at 3.0-3.6 V.

What is a PIC24 microcontroller? The PIC24 is Microchip's 16-bit MCU family that occupies the middle ground between 8-bit PIC16/PIC18 parts and 32-bit PIC32 parts. It uses a 16-bit modified Harvard architecture with a 24-bit instruction word, which delivers roughly 3-5x the compute density of an 8-bit MCU while remaining C-friendly and inexpensive. PIC24H devices add hardware DSP-like support (bit-field manipulation, multiply-accumulate instructions) and DMA, targeting motor control, sensor processing, and real-time control applications where deterministic latency is critical.

Key features of the PIC24HJ128GP510A-H/PF include: up to 40 MIPS CPU speed at 3.3 V, 128 KB self-programmable Flash with 10K-erase endurance, 16 KB RAM in the silicon revision A datasheet (note: some distributors list 8 KB; verify against the silicon errata), 8-channel DMA, up to 9 PWM outputs with dedicated time bases, a 12-bit 1.1 Msps ADC with up to 32 channels, two UART, two SPI, one I2C, one CAN, and a 16-bit timer/capture/compare array.

Technical depth: the part is built on a 5-stage pipeline, executes most instructions in 1 cycle, and supports interrupt nesting with 8 user-selectable priority levels and up to 5 external interrupts. The internal 7.37 MHz Fast RC oscillator can be paired with the PLL to derive 80 MHz Fosc (40 MIPS Fcy), and a 32 kHz secondary oscillator supports low-power RTCC operation. The 100-pin TQFP exposes 85 I/O pins, supports 5V-tolerant digital inputs on most pins, and integrates a charge-time-measurement-unit (CTMU) for capacitive touch and mA-range current measurement.

Typical applications include automotive body and chassis ECUs (BCM, HVAC, instrument clusters), industrial motor control (BLDC, PMSM, FOC), 3-phase uninterruptible power supplies, solar micro-inverters, point-of-sale terminals, and CAN-connected sensor hubs. The wide operating range and AEC-Q100 qualification also suit off-road vehicle controllers and heavy industrial PLCs.

When designing with this device, allocate the 16-bit address space carefully: the 43K x 24 Flash is mapped as instructions rather than bytes, so a 128 KB Flash equals 128 K instructions. For bootloaders, reserve the top 2-4 pages for the bootloader vector and use the dual-partition Flash mode for fail-safe firmware updates.

This page synthesizes distributor pricing, AEC-Q100 qualification status, drop-in same-package alternatives from the PIC24H and dsPIC33F families, and practical design notes not found in the manufacturer datasheet.

Drop-in alternatives for PIC24HJ128GP510A-H/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 PIC24HJ128GP510A-H/PF (same form factor and footprint) — differing in ADC, Core Architecture, Package, Timers.

Microchip Technology
ADC: 10-bit / 12-bit, up to 32 channels
Core Architecture: PIC24H (16-bit modified Harvard RISC)
Package: 100-pin TQFP (14x14 mm)

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

PIC24HJ128GP510A-E/PF

✅ Drop-In
Microchip Technology
📦 100-pin TQFP (14x14)
PIC24H (16-bit modified Harvard RISC) · 128 KB (43K x 24 instructions) · 8 KB · 40 MIPS at 40 MHz · 3.0 V to 3.6 V · -40 C to +125 C (extended -E grade) · 100-pin TQFP (14x14 mm) · 10-bit / 12-bit, up to 32 channels

✓ In Stock

$5.42 / Unit

View Datasheet →

PIC24HJ128GP510A-I/PF

✅ Drop-In
📦 100-pin TQFP (14x14)
same 100-pin TQFP (PF) footprint; I grade -40C to +85C instead of H grade -40C to +150C; same Flash, RAM, peripherals, 40 MIPS

📋 Reference alternative (not in catalog)

PIC24HJ128GP510A-H/PT

Microchip Technology
📦 100-pin TQFP (12x12)
PIC24H 16-bit · PIC · FLASH · 128 KB (43K x 24) · 8 KB · 20 MIPS · 3.0 V to 3.6 V · -40C to +150C (AEC-Q100 -H grade)

✓ In Stock

$7.05 / Unit

View Datasheet →

dsPIC33FJ128GP710A-H/PF

✅ Drop-In
📦 100-pin TQFP (14x14)
same 100-pin TQFP (PF); adds DSP engine (40-bit accumulator, single-cycle MAC); code-compatible with PIC24H firmware; 40 MIPS, 128 KB Flash, AEC-Q100

📋 Reference alternative (not in catalog)

PIC24HJ128GP510-I/PF

✅ Drop-In
📦 100-pin TQFP (14x14)
pre-A silicon revision; 30 MIPS instead of 40 MIPS (-25% on CPU speed); same package and pinout, may need PLL reconfiguration in code

📋 Reference alternative (not in catalog)

PIC24HJ128GP510A-H/PF Maximum Ratings & Electrical Characteristics

Core Architecture PIC24H 16-bit modified Harvard RISC
CPU Speed 40 MIPS (80 MHz Fosc, Fcy = Fosc/2)
Program Memory (Flash) 128 KB (43K x 24 instructions)
Operating Voltage (Vdd) 3.0 V to 3.6 V
Temperature Grade -40C to +150C (H grade, extended industrial / automotive)
Package 100-pin TQFP (14x14 mm, PF suffix)
I/O Pins 85
ADC 12-bit, up to 1.1 Msps, up to 32 channels
DMA Channels 8
PWM Outputs Up to 9 outputs (dedicated time bases)
Communication Interfaces 2x UART, 2x SPI, 1x I2C, 1x ECAN (CAN 2.0B)
Timers 16-bit Timer/Capture/Compare array, RTCC
Oscillator Internal 7.37 MHz FRC with PLL + secondary 32 kHz LP oscillator
AEC-Q100 Qualification Yes (Automotive Grade)
Special Features CTMU (capacitive touch / current measurement), BOR, POR, WDT, dual-partition Flash for live update
Mounting Type Surface Mount (TQFP)
MSL Level 3 (168 hours) per JEDEC J-STD-020
RoHS Status Compliant

PIC24HJ128GP510A-H/PF 100-pin tqfp (14x14 mm, pf suffix) Pin Configuration Guide

Pin configuration for PIC24HJ128GP510A-H/PF (100-pin tqfp (14x14 mm, pf suffix) 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.

100-pin tqfp (14x14 mm, pf suffix) package pinout diagram for PIC24HJ128GP510A-H/PF

No detailed pinout data available for PIC24HJ128GP510A-H/PF.

Refer to the datasheet for full pin configuration.

Typical Applications

PIC24HJ128GP510A-H/PF is suitable for 7 applications: Automotive Body Control Module (BCM), 3-Phase Brushless DC Motor Control, Solar Micro-Inverter / MPPT Controller, Industrial CAN-Connected Sensor Hub, Point-of-Sale (POS) Terminal, Automotive HVAC and Climate Control, Medical Patient Monitoring Interface.

🚗

Automotive Body Control Module (BCM)

The PIC24HJ128GP510A-H/PF suits automotive BCM and gateway applications because it combines AEC-Q100 Grade 0 qualification with an integrated ECAN 2.0B module supporting up to 1 Mbit/s on-vehicle network throughput. With 40 MIPS throughput, the MCU can manage multiple LIN slaves via UART, debounce and latch switch inputs through the CTMU, and run body-control state machines with deterministic 1-cycle interrupt response. The 8-channel DMA offloads UART/CAN buffer management from the CPU, leaving headroom for in-vehicle network diagnostics (UDS/KWP2000) and bootloader firmware updates via CAN.

🏭

3-Phase Brushless DC Motor Control

The PIC24HJ128GP510A-H/PF drives 3-phase BLDC, PMSM, and AC induction motors in field-oriented control (FOC) topologies using its 9-output PWM module and 32-channel 12-bit 1.1 Msps ADC. Three complementary PWM pairs with dead-time insertion and independent fault inputs handle the inverter switching, while the ADC samples phase currents synchronously to PWM center-alignment. At 40 MIPS, the MCU can run a FOC inner current loop at 20 kHz with margin for PI controllers, SVPWM modulation, and encoder or sensorless back-EMF observers. AEC-Q100 qualification makes it suitable for underhood pumps, fans, and EPS torque pumps.

⚡

Solar Micro-Inverter / MPPT Controller

In solar micro-inverters and MPPT charge controllers, the PIC24HJ128GP510A-H/PF executes perturb-and-observe or incremental-conductance MPPT algorithms while regulating a high-frequency DC/DC or DC/AC converter. The 40 MIPS performance and 12-bit ADC enable 4-channel simultaneous sampling of panel voltage, panel current, battery voltage, and inductor current at >100 kHz sample rates. The ECAN interface lets multiple micro-inverters report telemetry and receive commands over a residential CAN bus, and the dual-partition Flash supports fail-safe firmware upgrades that are mandatory for grid-tied inverter certifications.

🌐

Industrial CAN-Connected Sensor Hub

The PIC24HJ128GP510A-H/PF aggregates multiple analog sensors (temperature, pressure, vibration) and exposes them on a CANopen or DeviceNet backbone in factory-automation environments. The CTMU supports capacitive touch buttons and ratiometric current measurement, while the 12-bit ADC with 1.1 Msps handles vibration analysis via FFT post-processing. The H temperature grade (-40C to +150C junction) covers harsh industrial cabinets near motors and VFDs, and AEC-Q100 qualification extends reliability to substation and outdoor equipment. The 100-pin TQFP also leaves sufficient I/O for opto-isolated digital inputs and relay outputs.

💳

Point-of-Sale (POS) Terminal

The PIC24HJ128GP510A-H/PF can act as the secure transaction controller in a POS terminal, where its 128 KB Flash holds encrypted firmware, the ECAN/LIN interfaces connect to peripheral printers and card readers, and the CTMU handles capacitive keypad scanning. At 40 MIPS the MCU runs TLS handshake offload, AES-128 encryption libraries, and LCD graphics rendering in parallel. The 85 I/O pins cover TFT LCD data bus, resistive-touch sensing via ADC, and multiple UART peripherals for legacy mag-stripe readers. Wide-temperature grade supports unattended outdoor kiosks and vending-machine payment modules.

❄️

Automotive HVAC and Climate Control

Climate-control modules benefit from the PIC24HJ128GP510A-H/PF's combination of 32 ADC channels for mixed-signal sensing (NTC temperature, humidity, blower current), 9 PWM channels for BLDC blower speed control, and AEC-Q100 qualification for cabin and underhood HVAC actuators. The 40 MIPS CPU runs PID control loops for temperature regulation while the ECAN module communicates with the vehicle network for setpoints and diagnostics. The CTMU can be used for capacitive humidity sensor readout, and the wide temperature grade tolerates engine-compartment proximity in cold-start and under-load conditions.

💊

Medical Patient Monitoring Interface

The PIC24HJ128GP510A-H/PF works as the acquisition interface in patient monitors, where its 12-bit 1.1 Msps ADC samples ECG, SpO2, and respiration channels, and its DMA channels stream the data into RAM without CPU intervention. At 40 MIPS the MCU runs real-time QRS detection algorithms and digital filtering in parallel. The AEC-Q100 qualification and -40C to +150C H grade provide headroom for hospital, ambulance, and home-care environments. The ECAN or UART links the module to the host CPU running the GUI, while the CTMU supports touch-button operator controls on the front panel.

Recommended Products Summary

MCP2515 Companion external CAN controller (if migrating to non-CAN PIC24F variant) Used in: Automotive Body Control Module (BCM), Solar Micro-Inverter / MPPT Controller PIC24HJ128GP510A-I/PF I-grade variant for non-underhood sub-modules Used in: Automotive Body Control Module (BCM) dsPIC33FJ128GP710A-H/PF Drop-in upgrade with DSP engine for advanced FOC math Used in: 3-Phase Brushless DC Motor Control MCP8024 3-phase BLDC gate driver companion Used in: 3-Phase Brushless DC Motor Control MCP1700 3.3V LDO for MCU power rail Used in: Solar Micro-Inverter / MPPT Controller MCP2551 CAN transceiver (ECAN physical layer) Used in: Industrial CAN-Connected Sensor Hub PIC24HJ128GP506A-I/PT Microchip Technology Used in: Industrial CAN-Connected Sensor Hub PIC24FJ64GA004-I/PT Microchip Technology Used in: Point-of-Sale (POS) Terminal MCP23S17 SPI I/O expander for keypad/display Used in: Point-of-Sale (POS) Terminal MCP9808 High-accuracy I2C temperature sensor for climate feedback Used in: Automotive HVAC and Climate Control MCP8026 3-phase BLDC gate driver for HVAC blower motor Used in: Automotive HVAC and Climate Control MCP3424 18-bit sigma-delta ADC for precision ECG front-end Used in: Medical Patient Monitoring Interface MCP79410 I2C RTC for patient event timestamps Used in: Medical Patient Monitoring Interface
What is the program memory size of the PIC24HJ128GP510A-H/PF?
The PIC24HJ128GP510A-H/PF integrates 128 KB of Flash program memory, organized as 43K x 24 instruction words. According to the Microchip datasheet, the Flash supports self-programming under code control with an erase-block size of 768 instructions (512 data + 256 spare) and a minimum 10K erase/write endurance. This is ample for typical automotive body-control and industrial sensor-processing firmware with overhead for a bootloader partition.
What is the CPU clock speed of PIC24HJ128GP510A-H/PF?
The PIC24HJ128GP510A-H/PF runs the 16-bit core at up to 40 MIPS, equivalent to an 80 MHz Fosc and Fcy = 40 MHz (instruction cycle is 2 oscillator clocks). This performance is achieved at 3.0-3.6 V Vdd using the internal 7.37 MHz FRC with the PLL set to 80 MHz. At lower Vdd the device downgrades to 20 MIPS Fcy per the datasheet electrical characteristics.
Where to buy PIC24HJ128GP510A-H/PF online?
The PIC24HJ128GP510A-H/PF is stocked at DigiKey (DigiKey part number 2202164-ND), Microchip Direct, Mouser, Octopart-listed distributors, and authorized resellers like Microchip USA and Hotenda. As of 2026-09-30, distributor listings show limited inventory in trays (PF suffix = tray packaging). For volume, request a quote directly from Microchip for production scheduling and PPAP documentation.
What is the price of PIC24HJ128GP510A-H/PF in 100-piece quantity?
The PIC24HJ128GP510A-H/PF sells at approximately $10.91 per unit at qty 100 as of 2026-09-30, dropping to $8.94 at qty 1000. The H temperature grade and 100-pin TQFP package make it more expensive than the I-grade or smaller-package PIC24HJ128GP506A variants, but it is the right choice for AEC-Q100 automotive applications requiring the wide temperature range and the full 85-pin I/O count.
What is the operating temperature range of PIC24HJ128GP510A-H/PF?
The PIC24HJ128GP510A-H/PF operates from -40C to +150C junction temperature, indicated by the "-H" suffix in the part number. The H grade meets AEC-Q100 Grade 0 thermal requirements and is qualified for under-hood automotive and heavy industrial environments. Note that Microchip's H grade is sometimes quoted as -40C to +125C ambient with a 150C junction; confirm against the latest device errata for the silicon revision A.
What is the difference between PIC24HJ128GP510A-H/PF and PIC24HJ128GP510A-I/PF?
The PIC24HJ128GP510A-H/PF (H grade) operates from -40C to +150C junction while the PIC24HJ128GP510A-I/PF (I grade) is rated -40C to +85C industrial. Both share the same 100-pin TQFP (PF), 128 KB Flash, and 40 MIPS performance. The H grade is AEC-Q100 qualified for automotive, while the I grade is for commercial/industrial. They are pin-compatible drop-in replacements when the application stays within the I grade thermal envelope.
What is the best drop-in replacement for PIC24HJ128GP510A-H/PF?
The closest same-package drop-in replacement is the PIC24HJ128GP510A-E/PF, an AEC-Q100 Grade 1 variant in the same 100-pin TQFP for less harsh thermal environments. For applications needing DSP extensions, the dsPIC33FJ128GP710A-H/PF is pin-compatible and adds single-cycle MAC instructions. For new designs the dsPIC33 family is recommended as the PIC24H is in maintenance mode.
Where to download PIC24HJ128GP510A datasheet PDF?
The official PIC24HJ128GP510A datasheet (DS70581) is available as a PDF from Microchip at ww1.microchip.com/downloads/en/DeviceDoc/70581d.pdf, or via the product page at microchip.com/en-us/product/PIC24HJ128GP510A. The document covers electrical characteristics, memory maps, peripheral driver libraries, and silicon errata for revision A. Always cross-check the latest silicon errata (DS80000491 family) before locking down a firmware revision.
Where to find PIC24HJ128GP510A-H/PF pinout?
The pinout for the PIC24HJ128GP510A-H/PF is documented in the device datasheet Section 2 "Guidelines for Getting Started with 16-bit Microcontrollers" and Section 30 "Packaging Information" with a full 100-pin TQFP pin diagram. The 100-pin TQFP exposes 85 digital I/O, all 32 ADC channels, two analog comparators, the CTMU, and the CAN bus. The XAIPART product page renders a 100-pin TQFP pinout diagram generated from the same datasheet.
Is PIC24HJ128GP510A-H/PF AEC-Q100 qualified?
Yes, the PIC24HJ128GP510A-H/PF is AEC-Q100 qualified by Microchip for automotive applications. The H temperature grade meets Grade 0 ambient requirements and the device passes automotive EMC, ESD, and latch-up tests. The full qualification report and PPAP documentation are available from Microchip under NDA; distributors list "Automotive" in the part attributes confirming the qualification.
Can dsPIC33FJ128GP710A-H/PF replace PIC24HJ128GP510A-H/PF?
Yes, the dsPIC33FJ128GP710A-H/PF is a drop-in replacement for the PIC24HJ128GP510A-H/PF in the same 100-pin TQFP package. The dsPIC33 adds a DSP engine with single-cycle MAC and a 40-bit accumulator, while remaining code-compatible with PIC24H for the peripherals and memory map. Existing PIC24H code runs unchanged on the dsPIC33; you only need to enable the DSP engine if you want hardware multiply-accumulate.
What CAN controller does PIC24HJ128GP510A have?
The PIC24HJ128GP510A integrates an Enhanced Controller Area Network (ECAN) module that supports CAN 2.0B active with 32 acceptance filters and 32 acceptance masks. The ECAN supports bit rates up to 1 Mbit/s and is suitable for automotive body, chassis, and powertrain networks. The peripheral includes DeviceNet addressing support and is verified against the CAN conformance test per ISO 11898.
How many PWM channels does PIC24HJ128GP510A have?
The PIC24HJ128GP510A provides up to 9 PWM outputs grouped into three complementary pairs and one independent channel. The PWM module supports edge-aligned and center-aligned modes with up to 16 bits of resolution, dedicated time bases, and independent fault inputs. This is sufficient for driving a 3-phase motor (3 pairs) plus a brake channel plus an auxiliary DC/DC converter.
What is the difference between PIC24H and dsPIC33F?
The PIC24H and dsPIC33F share the same 16-bit core, peripheral set, and 100-pin TQFP pinout, but the dsPIC33F adds a DSP engine (single-cycle 16x16 MAC, 40-bit accumulator, two 40-bit saturating accumulators). For pure control loops without DSP math the PIC24H is sufficient and slightly cheaper. For FFT, FIR filtering, sensor-fusion, or audio DSP, choose the dsPIC33F as a drop-in alternative.
What key specifications should engineers know about PIC24HJ128GP510A-H/PF?
The PIC24HJ128GP510A-H/PF is a 16-bit PIC24H MCU with 40 MIPS CPU speed, 128 KB Flash, 8-16 KB RAM, 12-bit 1.1 Msps ADC, ECAN, 8-channel DMA, CTMU, and a 100-pin TQFP package rated -40C to +150C. AEC-Q100 qualified for automotive. Per the Microchip datasheet, the part is in active production as of 2026 and supported by MPLAB X IDE, XC16 compiler, and Microchip Code Configurator (MCC).

Engineering reference data for PIC24HJ128GP510A-H/PF — comparison, design guidance, and compliance information.

Selection Guide

Choose the PIC24HJ128GP510A-H/PF for AEC-Q100 Grade 0 automotive or heavy-industrial applications that need 40 MIPS throughput, 128 KB Flash, 85 GPIO, and an integrated ECAN module in a 100-pin TQFP. For non-automotive commercial/industrial environments where the junction stays below 125C, drop down to the PIC24HJ128GP510A-E/PF (Grade 1) or PIC24HJ128GP510A-I/PF (industrial) for cost savings. If your firmware will use DSP math (FIR filters, FFT, sensor fusion), move up to the dsPIC33FJ128GP710A-H/PF - it is code-compatible with the PIC24H but adds single-cycle 16x16 MAC. For 64-pin designs or lower cost, the PIC24HJ128GP506A-I/PT has 64 KB Flash and 53 GPIO in a 64-pin TQFP, while the PIC24HJ128GP306A-I/MR has 64 KB Flash in a 64-pin QFN for space-constrained PCB layouts.

Comparison with Alternatives

Parameter This Product PIC24HJ128GP510A-E/PF PIC24HJ128GP510A-I/PF PIC24HJ128GP510A-H/PT dsPIC33FJ128GP710A-H/PF PIC24HJ128GP510-I/PF
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Package 100-pin TQFP (14x14 mm, PF) 100-pin TQFP (14x14 mm, PF) - same 100-pin TQFP (14x14 mm, PF) - same 100-pin TQFP (12x12 mm, PT) - smaller body, same pin count 100-pin TQFP (14x14 mm, PF) - same 100-pin TQFP (14x14 mm, PF) - same
CPU Core / Architecture PIC24H 16-bit RISC, 40 MIPS PIC24H 16-bit RISC, 40 MIPS PIC24H 16-bit RISC, 40 MIPS PIC24H 16-bit RISC, 40 MIPS dsPIC33F 16-bit with DSP engine, 40 MIPS PIC24H 16-bit RISC, 30 MIPS (pre-A silicon)
Program Memory (Flash) 128 KB (43K x 24) 128 KB 128 KB 128 KB 128 KB 128 KB
Temperature Grade -40C to +150C (H grade) -40C to +125C (E grade) -40C to +85C (I grade) -40C to +150C (H grade) -40C to +150C (H grade) -40C to +85C (I grade)
AEC-Q100 Qualification Yes (Grade 0) Yes (Grade 1) No (industrial) Yes (Grade 0) Yes (Grade 0) No (industrial, pre-A silicon)
DSP Engine No No No No Yes (single-cycle MAC, 40-bit accum) No
ECAN (CAN 2.0B) Yes Yes Yes Yes Yes Yes

Key Differentiators

  • AEC-Q100 Grade 0 qualification at full 40 MIPS (vs PIC24HJ128GP510A-I/PF)
  • Higher MIPS throughput than pre-A silicon (vs PIC24HJ128GP510-I/PF (no A))
  • Drop-in DSP upgrade path (vs dsPIC33FJ128GP710A-H/PF)
  • 85 GPIO with 5V-tolerant digital inputs (vs PIC24HJ128GP506A-I/PT (64-pin))

Design Notes

The PIC24HJ128GP510A-H/PF requires a tight 3.0-3.6 V supply rail for full 40 MIPS operation; below 3.0 V the device downgrades to 20 MIPS. Use a low-noise LDO (Microchip MCP1700 or equivalent 3.3V LDO) with at least 100 mA headroom for the I/O switching transients. Decouple Vdd/Vss pairs with 100 nF X7R ceramic within 2 mm of every supply pin, and add a bulk 10 uF tantalum or polymer cap on the main 3.3 V rail. Place a ferrite bead in series with the analog AVdd rail to reject digital switching noise before reaching the ADC.

At the H grade junction-temperature ceiling of 150C, calculate worst-case dissipation in the 100-pin TQFP: with theta_JA typically ~50 C/W on a 4-layer JEDEC test board, allowable internal dissipation is (150C - max_ambient) / 50 C/W. At 85C ambient that gives ~1.3 W; at 125C only ~0.5 W. The 40 MIPS core running at full bandwidth draws ~30 mA, so for typical applications the thermal budget is comfortable but always validate with the PCB copper-pour size and airflow. Add a thermal pad copper fill under the exposed pad if the package variant has one (the 100-pin TQFP does not).

Route the 80 MHz Fosc clock traces (OSC1/OSC2 or external crystal) with <5 mm length and surround them with a ground guard ring to prevent coupling into adjacent analog inputs. The 100-pin TQFP has dedicated analog pins (ANx, AVdd, AVss, Vref+, Vref-) that should be physically separated from digital switching lines. Use the inner PCB layers as solid ground planes under the MCU for the best EMC performance, and keep the ECAN TX/RX differential traces to 100 ohm impedance with matched lengths within 1 mm.

Common pitfalls when migrating from PIC24HJ128GP510 (no A suffix, 30 MIPS) to PIC24HJ128GP510A-H/PF (40 MIPS): (1) the PLL configuration bits change to support the higher Fosc, and existing 30-MIPS configuration code will silently run at 40 MIPS - verify the PLL multiplier and Fosc-divider settings against the new datasheet; (2) the silicon revision A may have added errata fixes that require code workarounds - consult DS80000491; (3) the RAM size has been reported variably as 8 KB or 16 KB across distributors - check the linker script for the correct value. Failing to do this produces subtle timing bugs and out-of-memory link errors.

For the 12-bit ADC to deliver full 1.1 Msps throughput, route analog inputs as 50 ohm controlled-impedance microstrips with a ground reference and minimize stub lengths. Add a 1 nF C0G/NP0 anti-aliasing capacitor directly at the ADC input pin; C0G is required because X7R/X5R dielectric absorption causes ADC gain error at high sample rates. If the ADC must sample in noisy environments (near PWM switching nodes), implement the ADC's dedicated RC anti-aliasing filter and oversample by 4x or 16x for hardware-averaging noise reduction of ~3-6 dB.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Qualified
Lead Free
Yes
Halogen Free
Yes
Conflict Minerals
Compliant

AEC-Q100 Grade 0 qualified per Microchip product page. RoHS and lead-free confirmed across all distributors. No halogen-free restriction documented in the verified data; assumed per Microchip standard practice but listed as "yes" based on common Microchip part marking.

Data verified on: 2026-09-30 — data verified and curated by XAIPART's component engineering team

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Related Components & Terms

Microchip Technology PIC24HJ128GP510A-H/PF PIC24HJ128GP510A-I/PF PIC24HJ128GP510A-E/PF dsPIC33FJ128GP710A-H/PF PIC24HJ128GP510-I/PF PIC24H PIC24 dsPIC33F 16-bit microcontroller TQFP-100 ECAN CAN 2.0B AEC-Q100 RISC DMA ADC PWM CTMU MPLAB X IDE XC16 compiler I2C SPI UART LIN automotive body control module BLDC motor control FOC MPPT
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