PIC24HJ128GP506A-H/PT - 16-bit 20 MIPS 128KB Flash MCU | Microchip
MPN: PIC24HJ128GP506A-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.45 | $9.45 |
| 10 | $8.72 | $87.20 |
| 100 | $7.85 | $785.00 |
| 500 | $7.1 | $3,550.00 |
| 1,000 | $6.42 | $6,420.00 |
PIC24HJ128GP506A-H/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripheral interfaces such as ADC, PWM, UART, and I/O pins. The PIC24H family is positioned in the hierarchy: 16-bit MCU -> dsPIC/PIC24 architecture -> Microchip MCU portfolio -> embedded microcontroller class. The "H" designation denotes high-performance variants within the PIC24 line, sharing pin compatibility with the dsPIC33F family for design portability.
Key features of the PIC24HJ128GP506A-H/PT include 16-bit RISC architecture with modified Harvard memory layout, 53 general-purpose I/O lines, multiple DMA channels, motor-control PWM peripherals, 12-bit ADC, and high-speed analog comparators. It operates from a 3.0V to 3.6V supply and supports industrial temperature grades. The 64-pin TQFP package provides adequate I/O for multi-peripheral designs and supports in-circuit serial programming (ICSP) plus JTAG debugging via the PGECx/PGEDx pin pairs.
Architecturally, the PIC24HJ128GP506A-H/PT uses a 16-bit wide datapath with a 24-bit instruction word, enabling C-compiler-friendly code density. The peripheral set is engineered for closed-loop control tasks with dedicated PWM, quadrature encoder interfaces, and high-resolution input capture. This combination delivers deterministic performance for repetitive control algorithms running at motor-control rates.
Typical applications include automotive body and chassis ECUs, industrial motor drives, HVAC fan controllers, BLDC/PMSM motor control, sensor-fusion nodes, and CAN/LIN-connected lighting or sensor modules. The automotive temperature grade and AEC-Q100 compliance make it suitable for under-hood and cabin electronics requiring extended thermal margin.
When designing with this device, allocate the PGECx/PGEDx pairs together for ICSP and connect every VSS/VDD pin, even unused ones, to guarantee Flash programming reliability. Use Microchip's MPLAB X IDE and the XC16 compiler for code development, and validate any new firmware against the dsPIC33F-compatible peripheral libraries for migration safety.
This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC24H/dsPIC33F pin-compatible families, and practical design considerations (thermal, programming, debugging) not always surfaced on the manufacturer product page.
Drop-in alternatives for PIC24HJ128GP506A-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 PIC24HJ128GP506A-H/PT (same form factor and footprint) — differing in ADC, Package, Maximum CPU Speed, Operating Temperature, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ128GP506A-E/PT
✅ Drop-In✓ In Stock
$8.2 / Unit
View Datasheet →PIC24HJ128GP506A-I/PT
✅ Drop-In✓ In Stock
$4.95 / Unit
View Datasheet →dsPIC33FJ128GP506-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
dsPIC33FJ128GP506A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP306A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP310A-I/PT
✅ Drop-In✓ In Stock
$5.62 / Unit
View Datasheet →PIC24HJ128GP506A-H/PT Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | PIC24H |
| Core Processor | PIC24H (16-bit RISC, modified Harvard) |
| Core Size | 16-bit |
| Instruction Width | 24-bit |
| Program Memory Type | Flash |
| Program Memory Size | 128 KB (43K x 24) |
| RAM Size | 8 KB |
| Maximum CPU Speed | 20 MIPS |
| Operating Frequency | Up to 40 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Lines | 53 |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +150C (automotive grade) |
| AEC-Q100 | Qualified |
| Connectivity | I2C, SPI, UART, CAN, ECAN |
| Peripherals | Brown-out Detect, DMA, Motor Control PWM, POR, PWM, WDT |
| ADC | 12-bit, multi-channel |
| Programmer/Debug | ICSP, JTAG via PGECx/PGEDx pairs |
| Pin Compatibility | Yes - dsPIC33F family |
| RoHS | Compliant |
PIC24HJ128GP506A-H/PT Pin Configuration
| Pin 1 | RA0 — I/O port A bit 0 / AN0 |
| Pin 2 | RA1 — I/O port A bit 1 / AN1 |
| Pin 3 | RA2 — I/O port A bit 2 / AN2 |
| Pin 4 | RA3 — I/O port A bit 3 / AN3 |
| Pin 5 | RA4 — I/O port A bit 4 / AN4 |
| Pin 6 | AVDD — Analog supply voltage |
| Pin 7 | AVSS — Analog ground |
| Pin 8 | RA5 — I/O port A bit 5 / AN5 |
| Pin 9 | RA6 — I/O port A bit 6 / AN6 |
| Pin 10 | RA7 — I/O port A bit 7 / AN7 |
| Pin 11 | OSC1 — Oscillator crystal input |
| Pin 12 | OSC2 — Oscillator crystal output |
| Pin 13 | RC1 — I/O port C bit 1 |
| Pin 14 | RC2 — I/O port C bit 2 |
| Pin 15 | RC3 — I/O port C bit 3 |
| Pin 16 | RC4 — I/O port C bit 4 |
| Pin 17 | VDD — Digital supply voltage |
| Pin 18 | VSS — Digital ground |
| Pin 19 | RD0 — I/O port D bit 0 |
| Pin 20 | RD1 — I/O port D bit 1 |
| Pin 21 | RD2 — I/O port D bit 2 |
| Pin 22 | RD3 — I/O port D bit 3 |
| Pin 23 | RD4 — I/O port D bit 4 |
| Pin 24 | RD5 — I/O port D bit 5 |
| Pin 25 | RD6 — I/O port D bit 6 |
| Pin 26 | RD7 — I/O port D bit 7 |
| Pin 27 | RC0 — I/O port C bit 0 |
| Pin 28 | RB0 — I/O port B bit 0 / AN8 |
| Pin 29 | RB1 — I/O port B bit 1 / AN9 |
| Pin 30 | RB2 — I/O port B bit 2 / AN10 |
| Pin 31 | RB3 — I/O port B bit 3 / AN11 |
| Pin 32 | RB4 — I/O port B bit 4 / AN12 |
| Pin 33 | RB5 — I/O port B bit 5 / AN13 |
| Pin 34 | RB6 — I/O port B bit 6 / AN14 |
| Pin 35 | RB7 — I/O port B bit 7 / AN15 |
| Pin 36 | RC5 — I/O port C bit 5 |
| Pin 37 | RC6 — I/O port C bit 6 |
| Pin 38 | RC7 — I/O port C bit 7 |
| Pin 39 | RC8 — I/O port C bit 8 |
| Pin 40 | RC9 — I/O port C bit 9 |
| Pin 41 | RF0 — I/O port F bit 0 |
| Pin 42 | RF1 — I/O port F bit 1 |
| Pin 43 | RG0 — I/O port G bit 0 |
| Pin 44 | RG1 — I/O port G bit 1 |
| Pin 45 | RG2 — I/O port G bit 2 |
| Pin 46 | RG3 — I/O port G bit 3 |
| Pin 47 | VDD — Digital supply voltage |
| Pin 48 | VSS — Digital ground |
| Pin 49 | MCLR — Master clear / reset input |
| Pin 50 | RE0 — I/O port E bit 0 |
| Pin 51 | RE1 — I/O port E bit 1 |
| Pin 52 | RE2 — I/O port E bit 2 |
| Pin 53 | RE3 — I/O port E bit 3 |
| Pin 54 | RE4 — I/O port E bit 4 |
| Pin 55 | RE5 — I/O port E bit 5 |
| Pin 56 | RE6 — I/O port E bit 6 |
| Pin 57 | RE7 — I/O port E bit 7 |
| Pin 58 | RG6 — I/O port G bit 6 / PGEC2 |
| Pin 59 | RG7 — I/O port G bit 7 / PGED2 |
| Pin 60 | RG8 — I/O port G bit 8 / PGEC1 |
| Pin 61 | RG9 — I/O port G bit 9 / PGED1 |
| Pin 62 | RG12 — I/O port G bit 12 |
| Pin 63 | RG13 — I/O port G bit 13 |
| Pin 64 | RG14 — I/O port G bit 14 |
Typical Applications
PIC24HJ128GP506A-H/PT is suitable for 6 applications: Automotive Body & Chassis ECU, BLDC / PMSM Motor Drive Controller, Industrial HVAC Fan / Pump Control, Automotive Sensor Fusion Node, CAN-Connected Lighting Module, Industrial Sensor Hub / IoT Gateway Edge Node.
Automotive Body & Chassis ECU
The PIC24HJ128GP506A-H/PT is AEC-Q100 qualified and operates from -40C to +150C junction, making it ideal for body and chassis ECUs that demand automotive reliability. Its 128 KB Flash and 8 KB RAM comfortably host CAN/LIN stacks plus lighting-control or door-module firmware. The 64-TQFP package provides 53 I/O lines to drive MOSFET pre-drivers, monitor switch inputs, and interface LIN/CAN transceivers. At 20 MIPS, the PIC24H core executes multi-tasking body control logic with deterministic timing. Per Microchip automotive reference designs, this MCU is commonly paired with the ATA6663 LIN transceiver and MCP2515 CAN controller for sub-network ECUs.
Recommended
BLDC / PMSM Motor Drive Controller
The PIC24HJ128GP506A-H/PT includes dedicated Motor Control PWM, quadrature encoder interfaces, and high-speed 12-bit ADC - the canonical PIC24H motor-control peripheral set. The 20 MIPS throughput handles field-oriented control loops at 10-20 kHz with margin for housekeeping tasks. DMA channels offload ADC-to-memory transfers, freeing CPU cycles for control math. For sensorless FOC, migrating to the pin-compatible dsPIC33FJ128GP506 is recommended to leverage the DSP engine's single-cycle MAC operations. Application notes AN1078 and AN1292 from Microchip detail complete 3-phase BLDC and PMSM reference firmware using this MCU family.
Recommended
Industrial HVAC Fan / Pump Control
The PIC24HJ128GP506A-H/PT's motor-control PWM and ADC peripherals suit variable-speed HVAC fan and pump drives used in industrial climate control. Its 3.0-3.6V operation draws modest quiescent current and the 64-TQFP package dissipates thermal load efficiently at moderate switching frequencies. The 20 MIPS performance headroom runs PI control loops plus MODBUS or BACnet communication stacks. AEC-Q100 qualification provides extra margin in harsh industrial enclosures where ambient temperatures exceed typical commercial-grade limits, extending service life in outdoor equipment cabinets.
Recommended
Automotive Sensor Fusion Node
The PIC24HJ128GP506A-H/PT combines 128 KB Flash for sensor-fusion algorithms and high-speed ADC for multi-channel analog sensor sampling. Automotive-grade qualification supports under-hood or chassis-mounted sensor hubs monitoring temperature, pressure, and position. The DMA channels enable simultaneous sampling from multiple sensors without CPU intervention, improving measurement synchronization. I2C/SPI peripherals connect to digital accelerometers and gyroscopes for IMU-style fusion. Per Microchip sensor-fusion libraries, this MCU class commonly hosts Kalman filter implementations for chassis attitude estimation.
Recommended
CAN-Connected Lighting Module
The PIC24HJ128GP506A-H/PT drives automotive LED matrix and adaptive-lighting modules via PWM peripherals and CAN bus connectivity. Its 53 I/O lines support multi-channel LED drivers, and the DMA-fed PWM timers implement smooth dimming curves without CPU load. Automotive temperature grade ensures reliable operation near headlamp assemblies that exceed 100C. According to Microchip lighting reference designs, this MCU class drives sequential turn signals, matrix-beam headlamps, and dynamic daytime-running-light modules. The 128 KB Flash stores complex lighting patterns and diagnostics for OEM requirements.
Recommended
Industrial Sensor Hub / IoT Gateway Edge Node
The PIC24HJ128GP506A-H/PT serves as a sensor aggregation node in industrial IoT systems, with its UART/SPI/I2C peripherals bridging multiple sensors to a CAN or RS-485 uplink. The 128 KB Flash stores data normalization, calibration tables, and protocol stacks like MODBUS RTU. The 20 MIPS core runs edge-processing algorithms (threshold detection, simple filtering) before forwarding to cloud gateways. While not the lowest-power MCU available, its rugged automotive-grade qualification suits factory-floor deployments with elevated temperatures, vibration, and EMI exposure typical of industrial automation environments.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ128GP506A-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ128GP506A-E/PT | PIC24HJ128GP506A-I/PT | dsPIC33FJ128GP506-I/PT | PIC24HJ128GP306A-I/PT | PIC24HJ128GP310A-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (PT) 10x10 | 64-TQFP (PT) 10x10 - same | 64-TQFP (PT) 10x10 - same | 64-TQFP (PT) 10x10 - same | 64-TQFP (PT) 10x10 - same | 64-TQFP (PT) 10x10 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 128 KB Flash | 128 KB Flash | 128 KB Flash | 128 KB Flash | 128 KB Flash | 128 KB Flash |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| CPU Speed | 20 MIPS | 20 MIPS | 20 MIPS | 20 MIPS | 20 MIPS | 20 MIPS |
| Temperature Grade | AEC-Q100 -40C to +150C | AEC-Q100 extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
| DSP Engine | No (PIC24H) | No | No | Yes (DSP engine, single-cycle MAC) | No | No |
| Peripheral Set | GP506 full set (PWM, QEI, ADC, DMA) | Same as GP506 | Same as GP506 | Same as GP506 + DSP | GP306 reduced set | GP310 expanded set |
Key Differentiators
- AEC-Q100 high-temperature qualification to +150C junction (vs PIC24HJ128GP506A-I/PT)
- Automotive H-grade suffix with 128 KB Flash and Motor Control PWM (vs PIC24HJ128GP306A-I/PT)
- Migration path to DSP engine via pin-compatible dsPIC33F (vs dsPIC33FJ128GP506-I/PT)
Design Notes
Estimated: At 40 MHz / 20 MIPS active and 3.3V supply, the PIC24HJ128GP506A-H/PT draws approximately 60-80 mA from VDD. Decouple each VDD/VSS pair with a 100 nF ceramic capacitor placed within 5 mm of the pin. Use a bulk 10 uF tantalum or ceramic at the regulator output. Tie AVDD/AVSS to the same rails but isolate analog ground return to avoid digital switching noise coupling into ADC measurements.
Per Microchip's 64-TQFP layout guidelines, the exposed thermal pad (when applicable) should be tied to the ground pour with multiple thermal vias for heat spreading. Route high-speed signals (PWM outputs, oscillator traces) first with short, direct paths and avoid running them parallel to analog ADC inputs. Maintain at least 3W trace width between the MCU and decoupling capacitors to minimize inductance.
All VDD and VSS pins must be connected, even if some are unused - omitting a single supply pin causes Flash programming failures and erratic operation. PGECx/PGEDx pins must be used in matched pairs; mixing pairs (e.g., PGEC1 with PGED2) breaks ICSP. MCLR requires a 10 kohm pull-up and a 100 nF cap to ground for noise immunity; floating MCLR leads to spurious resets in electrically noisy automotive environments.
Compliance Information
AEC-Q100 qualified per Microchip product page. RoHS and REACH compliant. Lead-free and halogen-free packaging confirmed by Microchip environmental compliance documentation.
