PIC24HJ128GP510A-H/PT - 16-bit 20MIPS 128KB Flash MCU | Microchip
MPN: PIC24HJ128GP510A-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.5 | $11.50 |
| 10 | $10.4 | $104.00 |
| 100 | $9.2 | $920.00 |
| 500 | $8.1 | $4,050.00 |
| 1,000 | $7.05 | $7,050.00 |
PIC24HJ128GP510A-H/PT Overview
Background context: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (typically FLASH), volatile data memory (RAM), and a rich peripheral set into one package. The PIC24H belongs to Microchip's 16-bit MCU category, which sits hierarchically between 8-bit PIC10/12/16/18 devices and 32-bit PIC32 devices. PIC24H MCUs use a modified Harvard architecture with a 16-bit data path and a 24-bit instruction word, optimized for high-speed repetitive computation and closed-loop control tasks such as motor drive, power conversion, and DSP-style signal conditioning.
Key features of the PIC24HJ128GP510A-H/PT include its 16-bit core running at 20 MIPS, 128 KB self-programmable FLASH, 8 KB RAM, an 8-channel DMA controller, multiple PWM modules suitable for motor and power control, and a CAN 2.0B interface for automotive networking. The -H temperature grade extends the operating range from -40C to +150C, and the device is AEC-Q100 qualified for automotive electronics. The 100-pin TQFP package provides extensive I/O (up to 85 I/O pins), supporting numerous analog and digital peripheral assignments.
Technically, the PIC24HJ128GP510A-H/PT uses a 16-bit modified-Harvard CPU with hardware multiply/divide and a 16x16-bit single-cycle MAC. It shares pin compatibility with the dsPIC33F family, enabling migration to DSP-enhanced variants without PCB rework. The 100-pin TQFP package measures 12 x 12 mm with a 0.5 mm pitch, providing sufficient pin count for full peripheral utilization including dual CAN, USB, and multiple UART/SPI/I2C interfaces.
Typical applications include automotive body and chassis control, BLDC/PMSM motor drive, industrial automation controllers, sensor signal processing with the integrated 12-bit ADC, and CAN-connected distributed control nodes. The high MIPS count and DMA support make it suitable for real-time control loops where deterministic response is required.
Designers should plan PCB layout for the 0.5 mm pitch TQFP, use the recommended MPLAB X IDE with XC16 compiler, and consider the AEC-Q100 -H grade for under-hood or harsh-environment automotive use. Migration paths to the lower-temperature -I grade or to the dsPIC33F DSP family are straightforward due to pin compatibility.
This page synthesizes verified distributor pricing, drop-in alternatives, and practical design considerations not collected in the manufacturer datasheet alone.
Drop-in alternatives for PIC24HJ128GP510A-H/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 PIC24HJ128GP510A-H/PT (same form factor and footprint) — differing in Core Architecture, Package, ADC, DMA Channels, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ128GP510A-I/PT
✅ Drop-In✓ In Stock
$9.62 / Unit
View Datasheet →PIC24HJ128GP510A-E/PT
✅ Drop-In✓ In Stock
$6.4 / Unit
View Datasheet →PIC24HJ128GP310A-H/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP310A-I/PT
✅ Drop-In✓ In Stock
$5.62 / Unit
View Datasheet →PIC24HJ128GP310A-E/PT
✅ Drop-In✓ In Stock
$6.5 / Unit
View Datasheet →PIC24HJ128GP510A-H/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24H 16-bit |
| Core Processor | PIC |
| Program Memory Type | FLASH |
| Program Memory Size | 128 KB (43K x 24) |
| RAM Size | 8 KB |
| Maximum CPU Speed | 20 MIPS |
| Operating Voltage | 3.0 V to 3.6 V |
| Operating Temperature Range | -40C to +150C (AEC-Q100 -H grade) |
| Package | 100-pin TQFP (12 x 12 mm, 0.5 mm pitch) |
| Mounting Type | Surface Mount |
| I/O Pins | 85 |
| DMA Channels | 8 |
| PWM Modules | Yes (Motor Control PWM) |
| Watchdog Timer | Yes (with brown-out detect/reset) |
| CAN Interface | CAN 2.0B |
| AEC-Q100 Qualified | Yes |
| RoHS Status | Compliant |
PIC24HJ128GP510A-H/PT 100-pin tqfp (12 x 12 mm, 0.5 mm pitch) Pin Configuration Guide
Pin configuration for PIC24HJ128GP510A-H/PT (100-pin tqfp (12 x 12 mm, 0.5 mm pitch) 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 PIC24HJ128GP510A-H/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24HJ128GP510A-H/PT is suitable for 6 applications: Automotive Body Control Module (BCM), BLDC and PMSM Motor Drive, Industrial Automation Controller, Automotive Sensor Signal Processing, Medical Monitoring Devices, Power Conversion and UPS Systems.
Automotive Body Control Module (BCM)
The PIC24HJ128GP510A-H/PT is purpose-built for automotive body control modules managing lighting, central locking, wipers, and mirror adjustment. Its AEC-Q100 -H grade (-40C to +150C) handles under-hood thermal stress, while CAN 2.0B interfaces vehicle networking requirements. The 128 KB FLASH accommodates J1939 or CANopen protocol stacks alongside application firmware, and 8 KB RAM supports multi-tasking RTOS kernels like FreeRTOS. The 85 GPIO pins drive LED matrix drivers, MOSFET half-bridges for window lifters, and read switch/encoder inputs. DMA offloads CAN message buffering from the CPU, ensuring deterministic response for time-critical BCM functions like turn signal sequencing.
Recommended
BLDC and PMSM Motor Drive
The PIC24HJ128GP510A-H/PT drives brushless DC and permanent magnet synchronous motors in automotive and industrial applications such as HVAC blowers, water pumps, and electric power steering (EPS) auxiliary motors. Its 16-bit timers with PWM modules generate complementary 3-phase PWM with programmable dead-time insertion, while the high 20 MIPS throughput executes PI current control loops within microseconds. For more advanced field-oriented control (FOC) algorithms requiring sine/cosine computations, the pin-compatible dsPIC33FJ128GP310A-I/PT (same 100-pin TQFP) provides DSP extensions. The 12-bit ADC samples phase currents at up to 1 Msps with hardware-trigger synchronization to PWM, enabling closed-loop torque control.
Recommended
Industrial Automation Controller
In industrial automation, the PIC24HJ128GP510A-H/PT serves as the central controller for PLC I/O modules, sensor hubs, and protocol gateways on factory floors. Its CAN 2.0B supports CANopen DS301 device profiles common in industrial servo drives, while UART/SPI/I2C peripherals connect to digital sensors, EEPROM memory, and HMI displays. The 8-channel DMA controller offloads repetitive data transfers such as SPI-based ADC scans, freeing the CPU for control algorithms. With 128 KB FLASH and 8 KB RAM, complex ladder-logic interpreters or soft-PLC runtimes fit comfortably. The AEC-Q100 -H grade provides extra reliability margin in factory environments with elevated ambient temperatures near enclosures.
Recommended
Automotive Sensor Signal Processing
The PIC24HJ128GP510A-H/PT processes analog and digital sensor signals in automotive electronic control units such as transmission sensors, throttle position controllers, and battery management modules. Its 12-bit ADC with up to 32 input channels multiplexes multiple sensor readings, while hardware-trigger synchronization aligns ADC sampling with PWM events for deterministic acquisition. The integrated DMA streams ADC results to RAM without CPU intervention, and 16-bit math operations execute FIR filter coefficients within microseconds. AEC-Q100 -H qualification ensures reliable operation in engine compartments where temperatures can exceed 125C during extended operation.
Recommended
Medical Monitoring Devices
The PIC24HJ128GP510A-H/PT powers portable medical monitoring devices such as patient telemetry units, infusion pump controllers, and diagnostic handheld instruments where AEC-Q100 reliability and 20 MIPS throughput enable responsive measurement and display updates. The 12-bit ADC digitizes sensor inputs (SpO2, ECG, temperature), while the PWM modules drive buzzers and LED indicators. The 100-pin TQFP package provides ample GPIO for LCD interfaces, keypad scanning, and communication ports. Hardware CRC and parity features ensure data integrity for patient records. Designers should note that medical IEC 60601-1 compliance requires additional isolation and EMC considerations beyond the MCU selection.
Recommended
Power Conversion and UPS Systems
The PIC24HJ128GP510A-H/PT controls digital power conversion stages in telecom rectifiers, solar inverters, and uninterruptible power supplies (UPS) where high-resolution PWM and fast ADC sampling are required. Its PWM modules with up to 16-bit resolution generate switching frequencies above 500 kHz, supporting totem-pole PFC and LLC resonant topologies. The DMA-enabled ADC synchronizes with PWM events for cycle-by-cycle current-mode control. With 128 KB FLASH, complex control algorithms including digital loop compensation, MPPT for solar, and soft-start sequencing fit easily. AEC-Q100 -H grade benefits deployment in outdoor enclosures subject to wide temperature swings.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ128GP510A-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ128GP510A-I/PT | PIC24HJ128GP510A-E/PT | PIC24HJ128GP310A-H/PT | PIC24HJ128GP310A-I/PT | PIC24HJ128GP310A-E/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-100 (12x12, PT) | TQFP-100 (12x12, PT) - identical | TQFP-100 (12x12, PT) - identical | TQFP-100 (12x12, PT) - identical | TQFP-100 (12x12, PT) - identical | TQFP-100 (12x12, PT) - identical |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | PIC24H 16-bit | PIC24H 16-bit | PIC24H 16-bit | dsPIC33F 16-bit DSP | dsPIC33F 16-bit DSP | dsPIC33F 16-bit DSP |
| Maximum CPU Speed | 20 MIPS | 20 MIPS | 20 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| FLASH Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM Memory | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Operating Temperature | -40C to +150C (-H grade) | -40C to +85C (-I grade) | -40C to +125C (-E grade) | -40C to +150C (-H grade) | -40C to +85C (-I grade) | -40C to +125C (-E grade) |
| AEC-Q100 Automotive Grade | Yes (-H grade) | No (industrial only) | No (extended only) | Yes (-H grade) | No (industrial only) | No (extended only) |
| DSP Engine (MAC Instructions) | No | No | No | Yes (single-cycle 16x16 MAC) | Yes (single-cycle 16x16 MAC) | Yes (single-cycle 16x16 MAC) |
Key Differentiators
- AEC-Q100 -H temperature grade for under-hood automotive use (vs PIC24HJ128GP510A-I/PT)
- PIC24H core without DSP overhead for cost-sensitive control loops (vs dsPIC33FJ128GP310A-H/PT)
- 20 MIPS proven architecture with extensive automotive design wins (vs dsPIC33FJ128GP310A-I/PT)
Design Notes
The 100-pin TQFP package has a typical theta_JA of approximately 40-50 C/W depending on PCB copper area. For automotive under-hood designs where ambient may reach 105C, ensure sufficient copper pour (>= 1 sq inch top-side connected to GND) and consider thermal vias to inner copper planes. The PIC24HJ128GP510A-H/PT is rated to +150C junction, but sustained operation above 130C junction accelerates electromigration and may affect long-term reliability. Derate the internal dissipation by avoiding high oscillator frequencies when the workload allows.
Use a 4-layer PCB with dedicated power and ground planes for the PIC24HJ128GP510A-H/PT to minimize EMI on the analog ADC inputs. Place the 10uF bulk capacitor and 0.1uF decoupling capacitor within 5 mm of the VDDCORE and VDDIO pins. Keep the analog AVss and AVdd traces short and isolated from digital switching currents. Route the 40 MHz crystal traces with ground guard traces and keep total length under 10 mm. The 100-pin TQFP at 0.5 mm pitch requires IPC-7351 nominal land pattern with 0.30 mm pad width for reliable reflow soldering.
Do not confuse the PIC24HJ128GP510A (3.3V, 20 MIPS) with the dsPIC33FJ128GP310A (3.3V, 40 MIPS with DSP). The pinouts are compatible but firmware must be recompiled for the new core. The CONFIG words differ between -H, -I, and -E grades - verify you order the correct part number for the desired operating temperature range. The -H grade requires AEC-Q100 qualification paperwork for automotive PPAP submissions. JTAG TCK/TMS/TDI/TDO pins must be dedicated (not used as GPIO) if in-circuit debugging is required; assign alternative GPIO functions in PPS if not debugging.
The PIC24HJ128GP510A-H/PT's Peripheral Pin Select (PPS) feature allows remapping of digital peripherals to almost any GPIO pin, but the analog inputs and oscillator pins have fixed assignments. Plan the pinout to keep high-speed digital switching (PWM, UART) physically separated from low-level analog signals (ADC inputs, VREF) to minimize crosstalk. Route CAN bus signals (C1TX, C1RX) with characteristic impedance of 120 ohms and add common-mode chokes for automotive EMC compliance. Place the CAN transceiver near the MCU with stubs less than 50 mm per CAN bus design guidelines.
Compliance Information
AEC-Q100 qualified by Microchip per product family qualification documents. RoHS and REACH compliance confirmed via Microchip material declaration. Halogen-free status not explicitly stated in available data - confirm with manufacturer if required.