PIC24FJ48GA004T-I/ML - 16-bit 32MHz MCU 48KB Flash 44-QFN | Microchip
MPN: PIC24FJ48GA004T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.4 | $6.40 |
| 10 | $5.78 | $57.80 |
| 100 | $5.2 | $520.00 |
| 500 | $4.62 | $2,310.00 |
| 1,000 | $4.1 | $4,100.00 |
PIC24FJ48GA004T-I/ML Overview
A 16-bit microcontroller (MCU) is an embedded computing device that executes instructions on a 16-bit data path, offering a balance between 8-bit MCUs (simple control, lower cost) and 32-bit MCUs (higher performance, more complex peripherals). The PIC24F family sits in the broader PIC microcontroller hierarchy: MCU -> 16-bit MCU -> PIC24 -> PIC24F (low-power variant). It is commonly used where 8-bit performance is insufficient but full 32-bit complexity and power are not required, making it ideal for sensor interfacing, motor control, and human-machine interface applications.
Key features include 48KB (16K x 24) Flash for program storage, 8KB RAM, hardware 17x17 multiply and 32-bit/16-bit hardware divider for single-cycle DSP operations, and an internal oscillator that reduces external component count. The device integrates multiple communication peripherals and supports low-power sleep modes for battery-driven designs, while the 16 MIPS performance enables real-time control loops without external coprocessors.
The PIC24FJ48GA004 architecture uses a 16-bit modified Harvard structure with separate program and data buses, allowing simultaneous instruction fetch and operand access. It includes a C-compiler-optimized instruction set, configurable peripherals mapped through Peripheral Pin Select (PPS), and an on-chip voltage regulator for single-supply 2.5V/3.3V operation. The 44-pin QFN (ML) package with exposed thermal pad supports compact PCB layouts with good thermal dissipation.
Typical applications include industrial sensor hubs, low-cost motor control (BLDC, stepper), USB device interfaces, home appliance control boards, and portable data loggers. The integrated 10-bit ADC (with up to 13 channels depending on variant) and PWM modules simplify closed-loop control without external analog components. When designing with this part, ensure the DISVREG pin is properly configured (referenced in the datasheet alternative connection section) and that the exposed pad is soldered for thermal and electrical performance.
Drop-in alternatives for PIC24FJ48GA004T-I/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 PIC24FJ48GA004T-I/ML (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), Operating Temperature, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ48GA004T-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ48GA004-I/ML
✅ Drop-In✓ In Stock
$2.95 / Unit
View Datasheet →PIC24FJ64GA004T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ32GA004T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ64GA004-I/ML
✅ Drop-In✓ In Stock
$4.91 / Unit
View Datasheet →PIC24FJ32GA004-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ48GA004T-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit RISC |
| Program Memory (Flash) | 48 KB (16K x 24) |
| Data Memory (RAM) | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 2.5 V to 3.6 V |
| I/O Pins | 35 |
| Package | 44-pin QFN (8x8 mm) with exposed pad (ML) |
| Mounting Type | Surface Mount (Tape & Reel, T suffix) |
| Operating Temperature | -40C to +85C (Industrial, I grade) |
| Hardware Multiplier | 17 x 17 single-cycle |
| Hardware Divider | 32-bit / 16-bit |
| ADC | 10-bit, multi-channel (per variant) |
| PWM Channels | Multiple (per variant peripheral map) |
| DAC Outputs | Yes (per variant) |
| Internal Oscillator | Yes (eliminates external crystal for many designs) |
| RoHS Status | Compliant |
PIC24FJ48GA004T-I/ML 44-pin qfn (8x8 mm) with exposed pad (ml) Pin Configuration Guide
Pin configuration for PIC24FJ48GA004T-I/ML (44-pin qfn (8x8 mm) with exposed pad (ml) 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 PIC24FJ48GA004T-I/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24FJ48GA004T-I/ML is suitable for 6 applications: Industrial Sensor Hub, Low-Cost Motor Control, USB Device Interface, Home Appliance Control Board, Portable Data Logger, Human-Machine Interface (HMI).
Industrial Sensor Hub
The PIC24FJ48GA004T-I/ML fits industrial sensor hub designs where multiple analog and digital sensors converge on a single MCU. Its 16 MIPS performance enables real-time sampling of 10-bit ADC channels while servicing UART, I2C, and SPI sensor buses simultaneously. The 48KB Flash accommodates sensor fusion algorithms and calibration data, while 8KB RAM supports circular buffers for time-series logging. Integrated Peripheral Pin Select (PPS) allows flexible remapping of communication interfaces to available I/O pins, simplifying PCB layout. Compared to 8-bit MCUs, the 16-bit data path accelerates signal processing math without requiring an external DSP.
Recommended
Low-Cost Motor Control
The PIC24FJ48GA004T-I/ML is well-suited for low-cost brushless DC (BLDC) and stepper motor control in appliance and consumer products. Its PWM modules with configurable dead-band generation support 3-phase motor drive switching frequencies up to 32 kHz without CPU intervention. The 16 MIPS throughput handles Field-Oriented Control (FOC) or trapezoidal commutation algorithms on small motors under 200W. With 35 I/O pins, the MCU interfaces directly to Hall sensors, encoder feedback, and gate drivers like the MCP8024, eliminating the need for external logic. The wide 2.5V-3.6V supply range supports direct battery operation in cordless tools.
Recommended
USB Device Interface
For USB device peripheral designs, the PIC24FJ48GA004T-I/ML (paired with external USB transceiver or in the related PIC24FJ64GB004 family) provides the CPU throughput for USB protocol handling. Its 16 MIPS performance easily handles full-speed USB 2.0 device stacks, HID class drivers, or CDC virtual COM port implementations. The 48KB Flash accommodates USB stack libraries plus application code, while 8KB RAM supports USB endpoint buffers alongside application data. The 32 MHz system clock can be configured to derive the required 48 MHz USB clock domain via PLL. Industrial temperature grade allows deployment in factory automation USB peripherals.
Recommended
Home Appliance Control Board
The PIC24FJ48GA004T-I/ML targets home appliance control boards including washing machines, dishwashers, refrigerators, and air conditioners where cost-effective 16-bit processing is needed. The 48KB Flash holds application code plus UI state machines, while 8KB RAM supports display buffers and communication protocol stacks. Integrated 10-bit ADC reads temperature, pressure, and level sensors directly, while PWM outputs drive valves, pumps, and indicator LEDs. The wide -40C to +85C industrial temperature range covers the thermal environments inside appliance enclosures. Peripheral Pin Select reduces PCB routing complexity when mapping multiple interfaces to available pins.
Recommended
Portable Data Logger
The PIC24FJ48GA004T-I/ML fits portable battery-powered data loggers used in environmental monitoring, asset tracking, and field instrumentation. The PIC24F family's low-power sleep modes (down to nanoampere-level deep sleep) extend battery life between measurement intervals, while the 32 MHz active mode provides fast wake-and-sample cycles. With 48KB Flash, the device stores data logging firmware and lookup tables, and 8KB RAM buffers measurement bursts between non-volatile writes. The 2.5V-3.6V supply range allows single-cell Li-ion or two-AA battery operation. UART, I2C, and SPI interfaces connect to external sensors, GPS modules, and flash storage.
Recommended
Human-Machine Interface (HMI)
The PIC24FJ48GA004T-I/ML supports small HMI designs including appliance front panels, simple touch interfaces, and LED/LCD indicator systems. Its 16 MIPS performance drives 4-bit or 8-bit parallel LCD interfaces, scans keypads via GPIO, and updates LED matrices via PWM - all from a single chip. With 48KB Flash the MCU holds menu state machines and graphics libraries, and 8KB RAM supports frame buffers for small LCDs. Peripheral Pin Select simplifies routing of multiple display interfaces to the 35 available I/O pins. The QFN-44 package footprint enables compact PCB layouts behind display panels.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ48GA004T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ48GA004T-E/ML | PIC24FJ48GA004-I/ML | PIC24FJ64GA004T-I/ML | PIC24FJ32GA004T-I/ML | PIC24FJ64GA004-I/ML | PIC24FJ32GA004-I/ML |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin QFN (8x8 mm) ML with exposed pad | 44-pin QFN (8x8 mm) ML - same | 44-pin QFN (8x8 mm) ML - same | 44-pin QFN (8x8 mm) ML - same | 44-pin QFN (8x8 mm) ML - same | 44-pin QFN (8x8 mm) ML - same | 44-pin QFN (8x8 mm) ML - same |
| Flash Memory | 48 KB | 48 KB | 48 KB | 64 KB | 32 KB | 64 KB | 32 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| 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) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| I/O Pins | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Packaging Format | Tape & Reel (T) | Tape & Reel (T) | Tray (non-T) | Tape & Reel (T) | Tape & Reel (T) | Tray (non-T) | Tray (non-T) |
Key Differentiators
- Balanced Flash/RAM for cost-sensitive 16-bit designs (vs PIC24FJ64GA004T-I/ML)
- Industrial temperature grade standard (vs PIC24FJ48GA004T-E/ML)
- Tape-and-reel packaging for SMT assembly (vs PIC24FJ48GA004-I/ML)
Design Notes
The 44-pin QFN (ML) package has an exposed thermal pad on the underside that MUST be soldered to a properly sized copper pad on the PCB for both thermal dissipation and electrical grounding. Per the Microchip PIC24FJ64GA004 family datasheet, failure to solder the exposed pad can result in thermal stress and unreliable operation. Recommended PCB layout: connect the exposed pad to a continuous ground plane with thermal vias (typically 4-9 vias of 0.3 mm diameter) to inner ground layers. Decoupling capacitors (100 nF ceramic plus 4.7 uF bulk) should be placed within 3 mm of the VDD/VSS pin pairs.
The DISVREG pin on the PIC24FJ48GA004T-I/ML controls the internal voltage regulator configuration. When tied to VDD, the internal regulator is enabled and the device operates from 2.5V-3.6V directly. When tied to ground (with an external 1.8V or 2.5V supply on VDDCORE), lower core voltages reduce active current consumption. The PIC24FJ64GA004 family datasheet documents alternative connection schemes for ultra-low-power designs. Always include the bulk decoupling capacitor specified in the datasheet (typically 10 uF) on the regulator output pin.
Avoid these common PIC24FJ48GA004T-I/ML pitfalls: (1) Do not leave the MCLR pin floating - tie it to VDD through a 10 kohm pull-up or use the internal MCLR configuration via configuration bits. (2) Ensure all unused I/O pins are configured as outputs and tied low (not left as inputs) to minimize supply current. (3) The Peripheral Pin Select (PPS) feature requires explicit register configuration to map peripherals to physical pins - peripherals do not default to specific pins after reset. (4) When migrating code from PIC24FJ48GA002 (28-pin) variants, verify pin assignments as the 44-pin QFN variant has additional I/O. (5) The internal oscillator may require calibration register setup for accurate timing-critical applications like UART.
For optimal EMI/EMC performance in motor control or industrial designs using the PIC24FJ48GA004T-I/ML, separate analog and digital ground regions if possible, joining them at a single point near the MCU ground pin. Keep high-speed digital traces (PWM outputs, oscillator) away from analog inputs (ADC channels). The 44-pin QFN package's edge-castellated leads facilitate automated optical inspection (AOI) and improve solder joint reliability compared to leadless packages. Use Microchip's MPLAB X IDE with the XC16 compiler for the most up-to-date device support and optimization.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; choose PIC24FJ48GA004T-E/ML for extended temperature industrial applications requiring -40C to +125C operation. DRC Conflict Free per Abacus Technologies cross-reference data.
