PIC24HJ128GP506T-I/PT - 16-bit 40MIPS MCU 128KB Flash | Microchip
MPN: PIC24HJ128GP506T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.84 | $6.84 |
| 10 | $6.15 | $61.50 |
| 100 | $5.47 | $547.00 |
| 500 | $4.91 | $2,455.00 |
| 1,000 | $4.38 | $4,380.00 |
PIC24HJ128GP506T-I/PT Overview
A 16-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating CPU, RAM, non-volatile program memory, and peripherals on a single silicon die. PIC24H MCUs use a modified Harvard architecture with 24-bit wide instructions and 16-bit data paths, giving them excellent code density and deterministic execution. They sit in Microchip's hierarchy between the 8-bit PIC18 and the digital-signal-controller dsPIC33 families, and are commonly chosen when an 8-bit MCU is too slow but a full DSP engine is unnecessary.
Key features of the PIC24HJ128GP506 include 18 channels of 10-bit or 12-bit ADC (mixed), hardware multiplier and divider for fast math, an internal oscillator, and a broad communication peripheral set: CAN, I2C, IrDA, LIN, SPI, and UART/USART. Brown-out reset and watchdog protection are integrated, and the device supports 3.0V to 3.6V single-supply operation.
Typical applications span motor control, industrial automation, smart sensors, automotive body and chassis ECUs, building automation, and consumer appliances where deterministic 16-bit performance, CAN connectivity, and an industrial temperature range are required in a single MCU. When designing with this device, ensure the VDD rail is decoupled with at least 100 nF plus bulk capacitance near the supply pins, and follow Microchip's programming specification for in-circuit serial programming (ICSP) pin assignment to retain debug access.
Drop-in alternatives for PIC24HJ128GP506T-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 PIC24HJ128GP506T-I/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:
PIC24HJ128GP506AT-I/PT
✅ Drop-In✓ In Stock
$4.8 / Unit
View Datasheet →PIC24HJ128GP506A-I/PT
✅ Drop-In✓ In Stock
$4.95 / Unit
View Datasheet →PIC24HJ128GP506A-E/PT
✅ Drop-In✓ In Stock
$8.2 / Unit
View Datasheet →PIC24HJ128GP506A-H/PT
✅ Drop-In✓ In Stock
$6.42 / Unit
View Datasheet →PIC24HJ128GP506A-I/MR
✅ Drop-In✓ In Stock
$3.32 / Unit
View Datasheet →PIC24HJ128GP306A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP506T-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC24H 16-bit RISC |
| Architecture | Modified Harvard (24-bit instructions, 16-bit data) |
| Max CPU Speed | 40 MIPS |
| Program Memory | 128 KB Flash (43K x 24) |
| RAM | 8 KB |
| Supply Voltage (Vdd) | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 64-TQFP (10x10 mm), T&R |
| Mounting Type | Surface Mount |
| ADC | 18 channels, 10-bit / 12-bit |
| Connectivity | CAN, I2C, IrDA, LIN, SPI, UART/USART |
| Oscillator | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
PIC24HJ128GP506T-I/PT Pin Configuration
| Pin 1 | RP15/CN15/PMD15/AN15/RB15 — Remappable I/O, AN15 input, CN15 change notification |
| Pin 2 | RP14/CN14/PMD14/AN14/RB14 — Remappable I/O, AN14 input |
| Pin 3 | RP13/CN13/PMD13/AN13/RB13 — Remappable I/O, AN13 input |
| Pin 4 | RP12/CN12/PMD12/AN12/RB12 — Remappable I/O, AN12 input |
| Pin 5 | RP11/CN11/PMD11/AN11/RB11 — Remappable I/O, AN11 input |
| Pin 6 | RP10/CN10/PMD10/AN10/INT0/RB10 — Remappable I/O, AN10, external interrupt 0 |
| Pin 7 | RP9/CN9/PMD9/AN9/RB9 — Remappable I/O, AN9 input |
| Pin 8 | RP8/CN8/PMD8/AN8/RB8 — Remappable I/O, AN8 input |
| Pin 9 | RP7/CN7/PMD7/AN7/RB7 — Remappable I/O, AN7 input |
| Pin 10 | RP6/CN6/PMD6/AN6/OCFA/RB6 — Remappable I/O, AN6, output compare fault A |
| Pin 11 | RP5/CN5/PMD5/AN5/RB5 — Remappable I/O, AN5 input |
| Pin 12 | RP4/CN4/PMD4/AN4/RB4 — Remappable I/O, AN4 input |
| Pin 13 | RP3/CN3/PMD3/AN3/CN3/RB3 — Remappable I/O, AN3 input |
| Pin 14 | RP2/CN2/PMD2/AN2/RB2 — Remappable I/O, AN2 input |
| Pin 15 | RP1/CN1/PMD1/AN1/RB1 — Remappable I/O, AN1 input |
| Pin 16 | RP0/CN0/PMD0/AN0/RB0 — Remappable I/O, AN0 input |
| Pin 17 | AVSS — Analog ground |
| Pin 18 | AVDD — Analog supply voltage |
| Pin 19 | MCLR — Master clear (reset) input |
| Pin 20 | VDD — Digital supply voltage |
| Pin 21 | VSS — Digital ground |
| Pin 22 | OSC1/CLKI/RC15 — Oscillator crystal input or external clock |
| Pin 23 | OSC2/CLKO/RC14 — Oscillator crystal output |
| Pin 24 | SOSCI/RPC13/RC13 — Secondary oscillator crystal input |
| Pin 25 | SOSCO/T1CK/RPC14/RC14 — Secondary oscillator output, Timer1 clock |
| Pin 26 | FLTA2/RA15 — PWM fault A2 input, port A bit 15 |
| Pin 27 | RA14 — Port A bit 14 |
| Pin 28 | RA9 — Port A bit 9 |
| Pin 29 | RA10 — Port A bit 10 |
| Pin 30 | RA7 — Port A bit 7 |
| Pin 31 | RA6 — Port A bit 6 |
| Pin 32 | TCKIA/RA4 — Timer clock input set, port A bit 4 |
| Pin 33 | TCKIB/RA3 — Timer clock input set, port A bit 3 |
| Pin 34 | IC1/INT2/RA2 — Input capture 1, external interrupt 2 |
| Pin 35 | IC2/INT3/RA1 — Input capture 2, external interrupt 3 |
| Pin 36 | IC3/INT4/RA0 — Input capture 3, external interrupt 4 |
| Pin 37 | U2CTS/C1OUT/RC3 — UART2 clear-to-send, comparator 1 output |
| Pin 38 | U2RTS/RC2 — UART2 request-to-send |
| Pin 39 | U2RX/CN8/RC1 — UART2 receive, change notification 8 |
| Pin 40 | U2TX/CN9/RC0 — UART2 transmit, change notification 9 |
| Pin 41 | SDA2/CN18/RA8 — I2C2 data, change notification |
| Pin 42 | SCL2/CN17/RA5 — I2C2 clock, change notification |
| Pin 43 | SDA1/CN17/RG3 — I2C1 data |
| Pin 44 | SCL1/CN18/RG2 — I2C1 clock |
| Pin 45 | C1RX/RF0 — CAN1 receive |
| Pin 46 | C1TX/RF1 — CAN1 transmit |
| Pin 47 | U1CTS/CN11/RD3 — UART1 clear-to-send |
| Pin 48 | U1RTS/CN12/RD2 — UART1 request-to-send |
| Pin 49 | U1RX/CN13/RD1 — UART1 receive |
| Pin 50 | U1TX/CN14/RD0 — UART1 transmit |
| Pin 51 | SDO1/CN15/RD15 — SPI1 serial data out |
| Pin 52 | SDI1/CN16/RD14 — SPI1 serial data in |
| Pin 53 | SCK1/CN17/RD13 — SPI1 serial clock |
| Pin 54 | SS1/CN18/RD12 — SPI1 slave select |
| Pin 55 | OC1/CN9/RD11 — Output compare 1 |
| Pin 56 | OC2/CN10/RD10 — Output compare 2 |
| Pin 57 | OC3/CN11/RD9 — Output compare 3 |
| Pin 58 | OC4/CN12/RD8 — Output compare 4 |
| Pin 59 | INT1/RD7 — External interrupt 1 |
| Pin 60 | INT0/RD6 — External interrupt 0 |
| Pin 61 | PGEC1/AN1/RA1 — ICSP programming clock 1 (per datasheet) |
| Pin 62 | PGED1/AN0/RA0 — ICSP programming data 1 (per datasheet) |
| Pin 63 | VDD — Digital supply voltage |
| Pin 64 | VSS — Digital ground |
Typical Applications
PIC24HJ128GP506T-I/PT is suitable for 7 applications: Industrial Motor Control, Automotive CAN Body Electronics, Building Automation and HVAC, Industrial Sensor Hubs, Consumer Appliance Control, Portable Medical Monitoring, Power Conversion and UPS Systems.
Industrial Motor Control
The PIC24HJ128GP506T-I/PT is a strong fit for industrial motor control because its 40 MIPS CPU executes PI current loops in well under 10 microseconds, and its integrated 18-channel ADC samples phase currents and back-EMF without an external ADC. The CAN and UART peripherals enable integration into industrial networks. Placed on the inverter control board between the gate driver and the field-oriented-control firmware, it offers 128 KB Flash for state machines plus 8 KB RAM for logging, all in a single MCU. Compared with 8-bit PIC18 parts, the 16-bit PIC24H delivers the headroom needed for sensorless FOC algorithms while staying in Microchip's MPLAB X toolchain.
Recommended
Automotive CAN Body Electronics
The PIC24HJ128GP506T-I/PT suits CAN-connected body and chassis modules because it integrates a CAN 2.0B controller and the 128 KB Flash can hold a full J1939 or CANopen stack plus application code. The industrial -40 to +85 C temperature grade covers most cabin and under-hood body locations, and for harsher under-hood environments the pin-compatible PIC24HJ128GP506A-E/PT (automotive grade) is a drop-in. Placed as the body controller on a body control module, it can manage lighting, door locks, and sensor polling via CAN and LIN. Compared with bare 8-bit MCUs, the 16-bit PIC24H delivers the deterministic interrupt latency required for CAN bus timing.
Recommended
Building Automation and HVAC
The PIC24HJ128GP506T-I/PT fits building automation controllers and HVAC thermostats because the 16-bit core runs proportional control loops and the 18-channel ADC reads temperature, humidity, and pressure sensors with 10-bit or 12-bit resolution. The integrated UART/USART, I2C, and SPI peripherals drive sensor hubs, displays, and Wi-Fi modules without external glue logic. Placed as the main MCU on a thermostat PCB, it can manage the user interface, schedule logic, and the Modbus or BACnet link. Compared with smaller PIC16F, PIC24H gives developers headroom for OTA-bootloader space and full protocol stacks.
Recommended
Industrial Sensor Hubs
The PIC24HJ128GP506T-I/PT is well suited for industrial multi-sensor hubs because the 18-channel ADC can scan multiple analog sensors simultaneously while the dedicated I2C and SPI buses service digital sensors. The 128 KB Flash and 8 KB RAM hold sensor-fusion algorithms and the 40 MIPS CPU keeps latency low for time-critical measurements. Placed between the sensor array and the fieldbus gateway, it can run local filtering. The integrated CAN, UART, and LIN peripherals allow connection to multiple industrial networks. Compared with smaller MCUs, the PIC24H offers the headroom needed for robust sensor fusion.
Recommended
Consumer Appliance Control
The PIC24HJ128GP506T-I/PT suits white-goods control boards such as washing machines, dishwashers, and refrigerators because the 16-bit core drives display UIs, sensor polling, and motor timing simultaneously without breaking timing budgets. The 128 KB Flash holds the full UI state machine plus diagnostic logs, and the integrated ADC monitors temperature and water level. Placed on the appliance main board, it can also drive triac-controlled loads via timers and PWM. Compared with 8-bit PIC18 parts, PIC24H delivers cleaner UI responsiveness and more headroom for connected-appliance features.
Recommended
Portable Medical Monitoring
The PIC24HJ128GP506T-I/PT fits portable patient-monitoring peripherals because the 16-bit core processes pulse-oximetry and ECG filter algorithms at 40 MIPS while keeping power low enough for battery operation. The integrated ADC samples bioelectric signals, and the UART/I2C/SPI peripherals connect to wireless modules for telemetry. Placed as the main MCU on a portable monitor, it can drive the OLED display and run trend analysis. Compared with 8-bit MCUs, PIC24H delivers the math headroom needed for digital filters and offers strong documentation for medical designs.
Recommended
Power Conversion and UPS Systems
The PIC24HJ128GP506T-I/PT suits digital control of DC-DC converters and small UPS modules because the 40 MIPS CPU executes digital control loops at well over 100 kHz loop rates. The integrated ADC samples output voltage and current, while PWM modules drive the power-stage FETs directly. Placed on the control board of a 1-2 kVA inverter, it can manage MPPT algorithms, grid synchronization, and battery charging. Compared with low-end MCUs, PIC24H delivers the deterministic interrupt response required for switching converters and provides strong documentation for digital power designs.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ128GP506T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ128GP506AT-I/PT | PIC24HJ128GP506A-I/PT | PIC24HJ128GP506A-E/PT | PIC24HJ128GP506A-H/PT | PIC24HJ128GP306A-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| ADC Channels | 18 ch, 10/12-bit | 18 ch, 10/12-bit | 18 ch, 10/12-bit | 18 ch, 10/12-bit | 18 ch, 10/12-bit | 16 ch, 10/12-bit |
| CAN Controller | Yes (1x CAN 2.0B) | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (automotive) | -40 C to +150 C (high-temp) | -40 C to +85 C |
| Temperature Grade | Industrial | Industrial | Industrial | Automotive (E) | High-Temperature (H) | Industrial |
Key Differentiators
- Drop-in silicon revision B with identical peripheral set (vs PIC24HJ128GP506AT-I/PT)
- Full automotive temperature range on the same footprint (vs PIC24HJ128GP506A-E/PT)
- Available in higher-temperature variant (vs PIC24HJ128GP506A-H/PT)
- Same branding available in QFN package (vs PIC24HJ128GP506A-I/MR)
Design Notes
Decouple VDD with at least one 100 nF ceramic capacitor per supply pin pair plus a single 10 uF bulk capacitor within 5 mm of the package. AVDD and AVSS should be filtered with a ferrite bead or 10 ohm resistor from VDD plus a dedicated 100 nF cap at the AVDD pin to keep ADC noise below 1 LSB. Brown-out reset is enabled by default at 2.7 V; configure it via the FDEVOPT config register if a different threshold is needed.
Place the 8 MHz primary crystal and its load capacitors within 5 mm of OSC1/OSC2 to minimize stray capacitance. Keep the ICSP pins (PGEC1/PGED1) routed directly to a 6-pin header with no series resistors; Microchip programmers drive these pins in parallel. Avoid routing analog traces near the crystal traces to prevent ADC coupling. Maintain a continuous ground plane under the part with single-point vias tying digital and analog grounds at the AVDD decoupling cap.
Do not exceed 3.6 V on VDD; Flash programming is unreliable above 3.7 V and the absolute maximum is 4.0 V. Configure all unused I/O pins as digital outputs (not inputs) to avoid shoot-through current. The CAN module requires an external MCP2551 or similar transceiver - the PIC24H CAN controller is logic-level only and cannot drive a CAN bus directly. For field upgrades leave the last Flash page free and align boot/loader addresses per Microchip's bootloader library.
Estimated: ADC reading noise on the PIC24HJ128GP506 is approximately +/-1 LSB at 10-bit resolution with proper PCB layout, 100 nF AVDD decoupling, and an RC antialiasing filter of <= 1 kohm/100 pF. Use shorter analog traces, place the input RC low-pass within 2 mm of the analog pin, and avoid routing digital signals across analog traces. If higher precision is required, average multiple samples or switch to the internal 12-bit ADC mode.
Estimated: the TQFP-64 (PT) package has a typical theta_JA of approximately 50 C/W on a 4-layer JEDEC test board. At 40 MIPS the core current is around 50 mA at 3.3 V, dissipating roughly 165 mW and producing a junction-temperature rise of about 8 C above ambient. For automotive under-hood environments prefer the PIC24HJ128GP506A-E/PT (125 C) or the PIC24HJ128GP506A-H/PT (150 C) variant to maintain thermal headroom.
Compliance Information
RoHS and lead-free compliant per Microchip product page. Standard PIC24HJ128GP506T-I/PT is industrial grade, not AEC-Q100 qualified; for AEC-Q100 use PIC24HJ128GP506A-E/PT variant.
