PIC24FJ16MC102T-I/ML - 16-bit 16 MIPS 16KB Flash Motor MCU | Microchip
MPN: PIC24FJ16MC102T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.85 | $3.85 |
| 10 | $3.5 | $35.00 |
| 100 | $3.15 | $315.00 |
| 500 | $2.82 | $1,410.00 |
| 1,000 | $2.55 | $2,550.00 |
PIC24FJ16MC102T-I/ML Overview
A 16-bit microcontroller (MCU) is an integrated computing device that combines a CPU core, program memory (Flash), data memory (RAM), and a rich peripheral set on a single silicon die. The PIC24F core uses a modified Harvard RISC architecture with a 16-bit instruction word, executing up to 16 million instructions per second (16 MIPS) at 32 MHz CPU clock. Within the broader semiconductor hierarchy, the PIC24FJ16MC102T sits in the microcontrollers category, a sub-class of microcontrollers (MCU) > embedded controllers > integrated circuits > semiconductors, and is positioned specifically in motor-control-optimized sub-family.
Key features of this part include six enhanced 16-bit PWM outputs with edge-aligned or center-aligned modes and up to 7.5 ns PWM resolution, four 16-bit timers, two I2C, two SPI, two UART, 13 ADC channels at 500 ksps with 10-bit resolution, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight measurement, and Peripheral Pin Select (PPS) for flexible pin-function remapping. The 28-QFN (6x6) package has a low thermal resistance and supports industrial-grade -40C to +85C operation.
From an architecture perspective, the PIC24FJ16MC102T-I/ML combines an aggressive 16-bit RISC engine with motor-tuned analog and timing peripherals. The CTMU enables precise current sensing and capacitive touch, while PPS allows designers to remap digital peripheral I/O to multiple physical pins, simplifying PCB routing. The 16 MIPS throughput at 32 MHz (4:1 instruction-cycle multiplier of the 8 MHz internal oscillator with PLL) provides deterministic control-loop execution for FOC or trapezoidal motor commutation.
Typical applications include 3-phase BLDC or PMSM motor drives (low-voltage, sub-100 W), brushed DC motor controllers, electronic speed controllers (ESCs) for small drones and RC vehicles, fan and pump controllers, LED lighting controllers with analog dimming, and small-appliance motor control. The integrated 6-output PWM, 13 ADC inputs, and QEI (Quadrature Encoder Interface) support sensorless or sensor-based field-oriented control without external logic ICs.
When designing with this device, allocate a 10 uF bulk decoupling capacitor plus 0.1 uF high-frequency bypass near the VDD pins, route the analog AVDD separately from VDD for ADC noise immunity, and follow Microchip AN1078 or AN1160 for sensorless FOC firmware reference. The exposed thermal pad of the QFN package should be soldered to a sufficient copper pour to keep junction temperature within the 85C industrial limit.
This page synthesizes distributor pricing, drop-in alternatives from the same product family, and practical design notes that are not collected in the manufacturer datasheet alone, giving an engineer a single-point reference for selection and procurement.
Drop-in alternatives for PIC24FJ16MC102T-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 PIC24FJ16MC102T-I/ML (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Core Architecture, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ32MC102-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ32MC104-I/ML
✅ Drop-In✓ In Stock
$2.65 / Unit
View Datasheet →PIC24FJ16MC102-I/ML
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC24FJ32MC102-I/SS
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC24FJ16MC102T-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F (16-bit RISC, modified Harvard) |
| CPU Speed | 16 MIPS at 32 MHz |
| Program Memory (Flash) | 16 KB (5.5K x 24 words) |
| Data Memory (RAM) | 1 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| ADC | 10-bit, up to 13 channels, 500 ksps |
| PWM Outputs | 6 enhanced 16-bit PWM channels |
| Timers | 4 x 16-bit timers/counters |
| Communication | 2x I2C, 2x SPI, 2x UART |
| Special Peripherals | CTMU, QEI, Peripheral Pin Select (PPS) |
| Pin Count | 28 |
| Package | QFN-28 (6x6 mm) with exposed thermal pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) |
| Packaging Media | Tape and Reel (T suffix) |
| RoHS Status | Compliant |
PIC24FJ16MC102T-I/ML Pin Configuration
| Pin 1 | AN0/RP0/C1IND/RB0 — Analog input 0 / Remappable pin 0 / Comparator 1 input D / Port B bit 0 |
| Pin 2 | AN1/RP1/C1INC/RB1 — Analog input 1 / Remappable pin 1 / Comparator 1 input C / Port B bit 1 |
| Pin 3 | AN2/RP2/C1INB/C2INB/RB2 — Analog input 2 / Remappable pin 2 / Comparator input / Port B bit 2 |
| Pin 4 | AN3/RP3/C1INA/C2INA/RB3 — Analog input 3 / Remappable pin 3 / Comparator input / Port B bit 3 |
| Pin 5 | AN4/RP4/C1IND/RB4 — Analog input 4 / Remappable pin 4 / Comparator input / Port B bit 4 |
| Pin 6 | AVSS — Analog ground reference |
| Pin 7 | AVDD — Analog positive supply voltage (3.0 V to 3.6 V) |
| Pin 8 | MCLR — Master Clear (reset) input, active low |
| Pin 9 | OSCI/CLKI/RC13 — Oscillator crystal input / external clock input |
| Pin 10 | OSCO/CLKO/RC14 — Oscillator crystal output |
| Pin 11 | SOSCO/RPA14 — Secondary oscillator output / Remappable pin |
| Pin 12 | SOSCI/RPA15 — Secondary oscillator input / Remappable pin |
| Pin 13 | VDD — Digital positive supply voltage (3.0 V to 3.6 V) |
| Pin 14 | VSS — Digital ground |
| Pin 15 | PGED3/AN5/RA0 — Programming data / Analog input 5 / Port A bit 0 |
| Pin 16 | PGEC3/AN6/RA1 — Programming clock / Analog input 6 / Port A bit 1 |
| Pin 17 | PGED1/AN7/RP5/RC1 — Programming data / Analog input 7 / Remappable pin 5 |
| Pin 18 | PGEC1/AN8/RP6/RC2 — Programming clock / Analog input 8 / Remappable pin 6 |
| Pin 19 | AN9/RP7/RC3 — Analog input 9 / Remappable pin 7 |
| Pin 20 | AN10/RP8/RC4 — Analog input 10 / Remappable pin 8 |
| Pin 21 | AN11/RP9/RC5 — Analog input 11 / Remappable pin 9 |
| Pin 22 | AN12/RP10/RC6 — Analog input 12 / Remappable pin 10 |
| Pin 23 | RB5/USBID/RP11 — Port B bit 5 / Remappable pin 11 |
| Pin 24 | RB6/RP12 — Port B bit 6 / Remappable pin 12 |
| Pin 25 | RB7/RP13 — Port B bit 7 / Remappable pin 13 |
| Pin 26 | RB8/RP14 — Port B bit 8 / Remappable pin 14 |
| Pin 27 | RB9/RP15 — Port B bit 9 / Remappable pin 15 |
| Pin 28 | RB10/RP16 — Port B bit 10 / Remappable pin 16 |
Typical Applications
PIC24FJ16MC102T-I/ML is suitable for 7 applications: 3-Phase BLDC / PMSM Motor Drive, Brushed DC Motor Speed Controller, Electronic Speed Controller (ESC) for Drones / RC, HVAC Fan / Pump Variable-Speed Controller, Small-Appliance Motor Control, LED Lighting with Analog Dimming, Capacitive-Touch User Interface.
3-Phase BLDC / PMSM Motor Drive
The PIC24FJ16MC102T-I/ML is purpose-built for 3-phase brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives under 100 W. The integrated 6-output 16-bit PWM with programmable dead-time eliminates external gate-driver logic, while 13 ADC channels at 500 ksps and the CTMU enable precise current sensing for trapezoidal or sensorless FOC commutation. At 16 MIPS CPU throughput, the device executes a 20 kHz FOC loop with sufficient margin. Use this part when integrating the controller on the same PCB as a low-voltage (12-24 V) 3-phase inverter, eliminating the need for a separate motor-control ASIC.
Recommended
Brushed DC Motor Speed Controller
For brushed DC motor speed-control applications such as small fans, pumps, and appliances, the PIC24FJ16MC102T-I/ML provides 4 enhanced PWM outputs and 13 ADC channels for back-EMF sensing and current monitoring. The 16 MIPS core easily handles PID loop closure at 10 kHz. With its industrial -40C to +85C rating and small QFN-28 footprint, this MCU is well-suited for compact, sealed-motor housings where space and thermal headroom are limited. The 16 KB Flash accommodates full state-machine-based control with logging and diagnostic telemetry over UART.
Recommended
Electronic Speed Controller (ESC) for Drones / RC
Small UAV and RC vehicle ESCs benefit from the PIC24FJ16MC102T-I/ML's high-resolution PWM and fast ADC for motor commutation at very high electrical RPM. The 6 PWM outputs support complementary drive with dead-time, the QEI accepts Hall-sensor or encoder input, and the CTMU provides fast-response current limiting for protection. The 28-QFN (6x6 mm) tiny footprint is ideal for sub-20 A ESC PCBs where every mm2 counts. Use this part in sub-100 W drone propulsion where cost and size constraints exclude dedicated motor-control ASICs.
Recommended
HVAC Fan / Pump Variable-Speed Controller
The PIC24FJ16MC102T-I/ML drives variable-speed HVAC fans and circulator pumps using its enhanced PWM channels and ADC inputs for tachometer / pressure feedback. Industrial-grade -40C to +85C operation supports installation in unconditioned plenums. The CTMU enables precise temperature or pressure sensing via resistive bridge interfaces, while PPS flexibility allows designers to bring out UART/I2C diagnostic interfaces to any available pin. Compared with a fixed-speed relay, this controller delivers 30-50% energy savings in typical fan / pump duty cycles.
Recommended
Small-Appliance Motor Control
Small household appliances such as blenders, hand-mixers, vacuum cleaner brushrolls, and washing-machine pumps benefit from the PIC24FJ16MC102T-I/ML's low BOM cost and integrated motor peripherals. The MCU's 16 MIPS performance handles soft-start, stall detection, and speed-profile control. The 28-QFN package fits inside compact appliance enclosures, and the industrial temperature range supports kitchen and laundry environments. Compared with mechanical triac or relay-based designs, a digital MCU implementation enables energy-saving algorithms and fault diagnostics.
Recommended
LED Lighting with Analog Dimming
The PIC24FJ16MC102T-I/ML controls constant-current LED drivers with PWM dimming from 0.1% to 100% using its 16-bit PWM resolution. The CTMU can measure ambient light or thermistor inputs for closed-loop brightness control. The 28-QFN footprint fits inside bulb-base driver PCBs, while -40C to +85C supports indoor and outdoor luminaires. The I2C and UART peripherals enable connection to wireless modules (BLE, Wi-Fi) for smart-lighting network integration. Firmware can implement DALI, 0-10 V, or wireless dimming protocols on the same core.
Recommended
Capacitive-Touch User Interface
The PIC24FJ16MC102T-I/ML integrates a CTMU (Charge Time Measurement Unit) enabling up to 13 capacitive-touch buttons or sliders without external touch ICs. This is ideal for appliance front panels, industrial HMI, and consumer touch-key products. Combined with motor-control peripherals, designers can build a single-chip solution that handles both touch input and motor commutation, reducing BOM cost by 30-50% versus separate MCU plus touch controller. The industrial operating temperature range ensures reliable touch sensing in harsh environments.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ16MC102T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ32MC102-I/ML | PIC24FJ32MC104-I/ML | PIC24FJ16MC102-I/ML | PIC24FJ32MC102-I/SS |
|---|---|---|---|---|---|
| Package | QFN-28 (6x6) with EP | QFN-28 (6x6) with EP - same | QFN-28 (6x6) with EP - same | QFN-28 (6x6) with EP - same | SSOP-28 - different footprint |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 16 KB | 32 KB (+100%) | 32 KB (+100%) | 16 KB (identical) | 32 KB (+100%) |
| RAM | 1 KB | 2 KB (+100%) | 2 KB (+100%) | 1 KB (identical) | 2 KB (+100%) |
| CPU Speed (MIPS) | 16 MIPS @ 32 MHz | 16 MIPS @ 32 MHz | 16 MIPS @ 32 MHz | 16 MIPS @ 32 MHz | 16 MIPS @ 32 MHz |
| ADC Channels | 13 | 13 | 13 | 13 | 13 |
| PWM Channels | 6 | 6 | 6 | 6 | 6 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging Media | Tape and Reel | Tray | Tray | Tray | Tray |
Key Differentiators
- Drop-in upgrade with 2x memory for firmware headroom (vs PIC24FJ16MC102-I/ML)
- Industrial-grade operating temperature range (vs PIC24FJ16MC102-E/ML)
- Integrated CTMU enables capacitive touch and current sensing (vs PIC24FJ16GA002-I/ML)
- 6-channel 16-bit PWM with programmable dead-time (vs PIC24FJ16MC101-I/SS)
Design Notes
Place a 10 uF X7R ceramic bulk capacitor plus a 0.1 uF high-frequency bypass capacitor within 5 mm of each VDD/AVDD pin pair. The 28-QFN PIC24FJ16MC102T-I/ML has separate digital VDD/VSS and analog AVDD/AVSS pins; route AVDD through a small ferrite bead or pi-filter from VDD to isolate ADC noise from digital switching. This prevents ADC reading corruption in motor-control applications where high-side switching creates high-frequency ground bounce.
The 28-QFN (6x6) package has a center exposed thermal pad (EP) that must be soldered directly to a copper pour on the top layer, connected to VSS by multiple thermal vias. In typical motor-control applications the MCU draws 25-40 mA at full CPU load (3.3 V), resulting in 80-130 mW dissipation; a properly soldered EP keeps theta_JA near 25 C/W, well within industrial 85C limit. Without proper EP soldering, junction temperature may exceed safe limits in enclosed motor housings.
Route PWM output traces as differential pairs (PWMxH/PWMxL) to the gate driver with matched impedance and length, keeping them under 25 mm if possible. The high-current 3-phase traces from the gate driver to the FET bridge should be kept separate and far from the analog ADC inputs. Use a 4-layer PCB stack-up with a dedicated ground plane to minimize switching noise coupling. Refer to Microchip application note AN1078 'Sensorless Field-Oriented Control for PMSM Motors' for a reference layout.
Do not leave unused pins floating - configure them as outputs or inputs with internal pull-up enabled. The PIC24FJ16MC102T-I/ML has no internal pull-ups on all pins; external 10 kohm pull-ups on critical pins (MCLR, SOSCO) are recommended. Also note the 'T' suffix indicates tape-and-reel only - for prototype builds, order the non-T variant PIC24FJ16MC102-I/ML (tray packaging) to avoid minimum-order-quantity constraints on prototype reels.
Estimated: at 32 MHz CPU clock with 16 MIPS throughput, the PIC24FJ16MC102T-I/ML generates approximately 12-15 MHz of harmonic content on VDD. Add a 10 uF + 0.1 uF decoupling network at each VDD pin and consider a small ferrite bead in series with VDD if switching noise on the 3.3 V rail exceeds 50 mVpp. In motor-control applications, this is critical for ADC sampling accuracy; reference Microchip AN1317 'Best Practices for Motor Control PCB Design' for layout guidelines.
Compliance Information
RoHS compliant per Microchip product page. Industrial-grade -40C to +85C; not AEC-Q100 qualified (no 'E' suffix). For automotive -40C to +125C, choose the 'E' variant.
