PIC24FJ48GA004-E/ML - 16-bit 32MHz 48KB Flash MCU | Microchip
MPN: PIC24FJ48GA004-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.31 | $7.31 |
| 10 | $6.58 | $65.80 |
| 100 | $5.62 | $562.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.39 | $4,390.00 |
PIC24FJ48GA004-E/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a rich set of peripherals (timers, communication ports, ADC, I/O) on one piece of silicon. Within the broader taxonomy, the PIC24FJ48GA004 sits as: 16-bit microcontroller -> embedded controller -> microcontroller unit (MCU) -> semiconductor. PIC24F devices specifically target low-power, high-throughput embedded designs with the PIC24 instruction set, blending 8-bit PIC ease-of-use with 16-bit computational headroom for DSP-lite math and signal processing.
Key features include 35 general-purpose I/O pins, a 16-channel 10-bit ADC with 500 ksps conversion rate, four 16-bit timers, hardware multiply (17x17 in one cycle) and divide (32/16-bit), and a comprehensive communication peripheral set: two UART/USART modules, two SPI ports, and two I2C buses. An 8 MHz internal oscillator with 4x PLL and multiple divide options provides flexible system clocking without external crystals. A Parallel Master Port (PMP) is also available for graphics or external memory expansion.
The PIC24FJ48GA004 uses a modified Harvard CPU architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. Its 16-bit working register array, C-compiler-optimized ISA, and nanoWatt power management make it suitable for both deterministic real-time control and portable battery-powered products. JTAG and ICSP in-circuit debugging are supported, easing firmware development on Microchip's MPLAB X IDE and Explorer 16/32 development boards.
Typical applications include industrial control panels, sensor data acquisition, low-power portable medical and instrumentation, USB/bridging solutions when paired with an external transceiver, and consumer white goods with graphical displays via the PMP. It also fits educational and prototyping boards due to ample flash/RAM and a familiar toolchain.
When designing with this MCU, ensure the 44-pin QFN exposed pad is soldered to a sufficient ground pour for thermal and electrical performance. Decouple VDD/VSS pairs with 0.1 uF ceramic capacitors as close to each pin as possible, and respect the absolute maximum ratings on VDD to prevent flash corruption. Use ICSP for field updates and reserve the JTAG pins if hardware debugging is required.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ48GA004-E/ML — 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 PIC24FJ48GA004-E/ML (same form factor and footprint) — differing in Package, Timers, ADC, Program Memory (Flash), Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ64GA004-E/ML
✅ Drop-In✓ In Stock
$4.47 / Unit
View Datasheet →PIC24FJ32GA004-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ32GA004-E/PT
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →PIC24FJ64GA002-I/ML
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC24FJ16GA004-E/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.97 / Unit
View Datasheet →PIC24FJ48GA002-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.18 / Unit
View Datasheet →PIC24FJ48GA004-E/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24 (16-bit modified Harvard) |
| Core Series | PIC24F |
| Family | PIC24FJ64GA004 |
| Max CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 48 KB (16K x 24) |
| RAM | 8 KB |
| Operating Voltage | 2.5V / 3.3V |
| I/O Pins | 35 |
| ADC | 10-bit, 16-channel, 500 ksps |
| Timers | 4 x 16-bit |
| Communication | 2x UART, 2x SPI, 2x I2C, PMP |
| Package | 44-pin QFN (8x8 mm) with exposed pad |
| Operating Temperature | -40C to +125C (E = Extended Industrial) |
| Mounting Type | Surface Mount |
| Internal Oscillator | 8 MHz with 4x PLL and multiple divide options |
| Hardware Multiplier | 17 x 17-bit single-cycle |
| Hardware Divider | 32/16-bit |
| Programming/Debug | ICSP, JTAG |
| MSL Level | MSL3 (per tube packaging) |
| RoHS Status | Compliant |
PIC24FJ48GA004-E/ML Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / analog input |
| Pin 2 | RA1 — Port A bit 1 / analog input |
| Pin 3 | RA2 — Port A bit 2 / analog input |
| Pin 4 | RA3 — Port A bit 3 / analog input |
| Pin 5 | RA4 — Port A bit 4 |
| Pin 6 | RA5 — Port A bit 5 |
| Pin 7 | RA6 — Port A bit 6 |
| Pin 8 | RA7 — Port A bit 7 |
| Pin 9 | RB0 — Port B bit 0 / programming pin |
| Pin 10 | RB1 — Port B bit 1 |
| Pin 11 | RB2 — Port B bit 2 |
| Pin 12 | RB3 — Port B bit 3 |
| Pin 13 | RB4 — Port B bit 4 |
| Pin 14 | RB5 — Port B bit 5 |
| Pin 15 | RB6 — Port B bit 6 / ICSP clock |
| Pin 16 | RB7 — Port B bit 7 / ICSP data |
| Pin 17 | VSS — Ground reference |
| Pin 18 | VDD — Positive supply (2.0V-3.6V) |
| Pin 19 | RC1 — Port C bit 1 |
| Pin 20 | RC2 — Port C bit 2 |
| Pin 21 | RC3 — Port C bit 3 |
| Pin 22 | RC4 — Port C bit 4 |
| Pin 23 | VDD — Positive supply (2.0V-3.6V) |
| Pin 24 | VSS — Ground reference |
| Pin 25 | RC13 — Port C bit 13 |
| Pin 26 | RC14 — Port C bit 14 |
| Pin 27 | OSC1 — Crystal oscillator input |
| Pin 28 | OSC2 — Crystal oscillator output |
| Pin 29 | RD0 — Port D bit 0 |
| Pin 30 | RD1 — Port D bit 1 |
| Pin 31 | RD2 — Port D bit 2 |
| Pin 32 | RD3 — Port D bit 3 |
| Pin 33 | RD4 — Port D bit 4 |
| Pin 34 | RD5 — Port D bit 5 |
| Pin 35 | RD6 — Port D bit 6 |
| Pin 36 | RD7 — Port D bit 7 |
| Pin 37 | RE0 — Port E bit 0 |
| Pin 38 | RE1 — Port E bit 1 |
| Pin 39 | RE2 — Port E bit 2 |
| Pin 40 | RE3 — Port E bit 3 |
| Pin 41 | RE4 — Port E bit 4 |
| Pin 42 | RE5 — Port E bit 5 |
| Pin 43 | RE6 — Port E bit 6 |
| Pin 44 | RE7 — Port E bit 7 |
Typical Applications
PIC24FJ48GA004-E/ML is suitable for 7 applications: Industrial Control Panel, Sensor Data Acquisition Module, Low-Power Portable Medical Device, Consumer White Goods with LCD/Keypad, Educational and Prototyping Platform, Battery Management and Energy Monitoring, Automotive Body and Comfort Module.
Industrial Control Panel
The PIC24FJ48GA004-E/ML fits industrial control panels because its 35 I/O pins can drive keypads, segmented LCDs via the PMP peripheral, and relay outputs without external muxing. Its -40C to +125C extended-industrial temperature rating survives factory-floor thermal stress, and the 16 MIPS core runs PID loops for temperature, pressure, or flow control at update rates up to 1 kHz. The on-chip 10-bit ADC at 500 ksps simultaneously samples up to 16 sensor channels, while 8 KB RAM holds real-time setpoints and historical buffers. Pairing it with an external RS-485 transceiver turns the UART into a Modbus RTU slave for SCADA integration, leveraging the 16-bit math for precise scaling.
Recommended
Sensor Data Acquisition Module
Sensor hubs benefit from the PIC24FJ48GA004-E/ML's 16-channel 10-bit ADC and 48 KB flash that easily houses linearization tables and averaging filters. Its 8 KB RAM is sufficient for time-stamped buffering at 100 Hz sample rates across multiple analog channels. The PIC24's 17x17 hardware multiplier accelerates sensor fusion math such as temperature compensation or 3-axis tilt estimation without taxing the CPU. Two I2C and two SPI ports simultaneously serve digital sensors (IMUs, environmental sensors) and external ADCs, while the UART provides debug telemetry. The exposed pad on the 44-QFN package enables efficient heat dissipation during sustained ADC sampling.
Recommended
Low-Power Portable Medical Device
Battery-powered medical wearables leverage the PIC24FJ48GA004-E/ML's nanoWatt power management modes, which drop quiescent current to microampere levels between sensor reads. The 32 MHz 16 MIPS performance executes heart-rate or pulse-oximetry DSP algorithms with plenty of margin, while 48 KB flash fits full BLE command stacks when paired with an external RN4871 transceiver. The 2.0V-3.6V supply range supports direct Li-Ion operation with a single LDO, and 8 KB RAM holds rolling ECG buffers. Its -40C to +125C temperature rating also supports sterilization environments common in clinical handhelds.
Recommended
Consumer White Goods with LCD/Keypad
The PIC24FJ48GA004-E/ML's Parallel Master Port (PMP) drives character or graphic LCDs without external glue logic, simplifying front-panel designs in washing machines, ovens, and HVAC controllers. With 35 I/O pins, the same MCU reads capacitive touch keys, drives TRIAC-based power control via zero-cross optos, and services UART diagnostic ports. The 48 KB flash comfortably stores localized firmware variants and lookup tables, while 8 KB RAM handles menu state machines. The extended-industrial -40C to +125C temperature range survives enclosure heating near heating elements.
Recommended
Educational and Prototyping Platform
The PIC24FJ48GA004-E/ML is a strong teaching MCU because the PIC24 ISA is documented extensively and supported by MPLAB X IDE, XC16 compiler, and a free student license. Its JTAG and ICSP interfaces plug into low-cost programmers like PICkit 3 or PICkit 4 for in-circuit debugging during coursework. The 48 KB flash holds full peripheral libraries and FreeRTOS ports, while 8 KB RAM is enough for small RTOS demos. The 44-QFN package on breakout boards exposes all 35 I/O for breadboarding with sensors and actuators in university and maker environments.
Recommended
Battery Management and Energy Monitoring
Energy monitors and battery management systems use the PIC24FJ48GA004-E/ML to sample current shunts and battery voltage at the 10-bit ADC's 500 ksps, computing coulomb counts and state-of-charge in real time. The 17x17 hardware multiplier speeds up RMS calculations for AC power monitoring, and 8 KB RAM holds rolling energy statistics. The wide 2.0V-3.6V supply range accepts multi-cell battery stacks directly, while nanoWatt sleep modes stretch shelf life. UART or SPI outputs push data to external displays or home-energy gateways.
Recommended
Automotive Body and Comfort Module
Automotive body controllers such as mirror adjusters, seat controllers, and HVAC blends benefit from the PIC24FJ48GA004-E/ML's 16-bit math, 35 I/O, and -40C to +125C rating. The 48 KB flash stores LIN stack and seat-position calibration data, while the 8 KB RAM holds learned user preferences. The UART easily drives LIN transceivers like MCP2003 for sub-bus communication. Note: this is the industrial-grade 'E' variant; for AEC-Q100 qualified automotive parts, designers should consider PIC24FJ variants explicitly marked with the 'V' or 'AEC-Q100' suffix.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ48GA004-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ64GA004-E/ML | PIC24FJ32GA004-I/ML | PIC24FJ64GA002-I/ML | PIC24FJ32GA004-E/PT | PIC24FJ16GA004-E/ML | PIC24FJ48GA002-I/ML |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin QFN (8x8 mm) | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same | 44-pin TQFP - same pin count, different footprint | 44-pin QFN (8x8 mm) - same | 44-pin QFN (8x8 mm) - same |
| Flash Memory | 48 KB | 64 KB | 32 KB | 64 KB | 32 KB | 16 KB | 48 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB | 8 KB |
| Max CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| I/O Pins | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| ADC | 10-bit, 16-ch, 500 ksps | 10-bit, 16-ch, 500 ksps | 10-bit, 16-ch, 500 ksps | 10-bit, 13-ch, 500 ksps | 10-bit, 16-ch, 500 ksps | 10-bit, 16-ch, 500 ksps | 10-bit, 13-ch, 500 ksps |
| Temperature Grade | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) |
| Sub-Family | GA004 (with PMP) | GA004 (with PMP) | GA004 (with PMP) | GA002 (no PMP) | GA004 (with PMP) | GA004 (with PMP) | GA002 (no PMP) |
Key Differentiators
- Highest flash density in its sub-family at 48 KB while maintaining 8 KB RAM (vs PIC24FJ32GA004-I/ML)
- Includes Parallel Master Port (PMP) for graphics/LCD interfacing (vs PIC24FJ64GA002-I/ML)
- Extended industrial -40C to +125C temperature grade for harsh environments (vs PIC24FJ64GA002-I/ML)
Design Notes
Estimated: At VDD = 3.3V and typical active current of 8 mA at 32 MHz, the MCU dissipates roughly 26 mW; in sleep with nanoWatt modes it drops to under 1 uA. Place a 0.1 uF decoupling capacitor on each VDD pin (pins 18 and 23 in the 44-QFN) within 3 mm of the pad, and add a bulk 10 uF tantalum or ceramic near the supply input. The exposed thermal pad must be soldered to a ground pour of at least 1 square inch to keep junction temperature in spec at industrial ambient.
Route the 8 MHz crystal traces (OSC1/OSC2, pins 27-28) symmetrically and keep them short, surrounded by a ground guard ring. Place ICSP pins RB6/RB7 and the JTAG pins (if used) on convenient test-point pads for field updates. Avoid running high-speed digital traces under the QFN package, and provide at least four thermal vias in the exposed pad to the inner ground plane to meet the package's thermal resistance (theta_JA approximately 31 C/W per family datasheet).
Do not exceed 3.6V on VDD or apply power before VDD has stabilized; flash corruption can result. Configure unused I/O as outputs tied low to minimize current draw and EMI. When migrating from PIC24FJ48GA004 to PIC24FJ64GA002, verify pin-by-pin that PMP peripheral functions are not required. Reserve RB6/RB7 if ICSP debugging is planned, since these pins are repurposed by the programmer at runtime.
Keep analog inputs (RA0-RA7) separated from digital switching traces by at least 3x the trace width to limit ADC crosstalk. Reference Microchip's PIC24FJ64GA004 family errata sheet and the 'Designing for EMC' application note for sensitive sensor front-ends. The QFN ground paddle must be connected via multiple vias (recommended 0.3 mm drill, 0.6 mm pitch) to the inner ground plane for low-impedance return paths.
Compliance Information
RoHS and REACH compliant per Microchip product page. E suffix indicates extended industrial temperature grade (-40C to +125C); not AEC-Q100 qualified - for automotive designs consult the PIC24F AEC-Q100 qualified variants.
