PIC24FJ192GA106T-I/PT - 192KB Flash 16-bit MCU, 64-TQFP | Microchip
MPN: PIC24FJ192GA106T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.42 | $6.42 |
| 10 | $5.85 | $58.50 |
| 100 | $5.21 | $521.00 |
| 500 | $4.74 | $2,370.00 |
| 1,000 | $4.12 | $4,120.00 |
| 1,200 | $5.52 | $6,624.00 |
PIC24FJ192GA106T-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals into one device. The PIC24FJ family uses a 16-bit RISC Modified Harvard architecture with eXtreme Low Power (XLP) technology, sitting in the hierarchy: PIC24F -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. This part is the tape-and-reel (T), industrial temperature (-I), 64-pin TQFP (/PT) variant.
Key features include 192 KB (65.5K x 24) Flash, 16 KB RAM, 53 digital I/O pins, 3x I2C, 3x SPI, 4x UART, 23 independent timers, a 16-channel 10-bit ADC, three analog comparators, hardware RTCC, CTMU, and Peripheral Pin Select (PPS) for flexible signal routing. Standby current is below 100 nA in XLP sleep modes.
The 32 MHz core delivers 16 MIPS throughput while consuming roughly 0.8 mA/MIPS active, with on-chip regulators supporting 2.0-3.6 V VDD. PPS allows most digital peripherals to be mapped to most I/O pins, simplifying PCB layout. The CTMU enables touch sensing, capacitive measurement, and time-of-flight applications.
Typical applications include industrial control with connectivity (3x I2C, 3x SPI, 4x UART), low-power IoT sensor nodes using XLP sleep, HMI/touch interfaces via CTMU, and USB-free general-purpose embedded control. Multiple serial ports allow simultaneous sensor bus, display bus, and debug channels.
When designing, observe VDD 2.0-3.6 V, place 0.1 uF + 10 uF decoupling near each VDD/VSS pair, and use PPS registers to assign peripheral functions. Industrial -40 C to +85 C operation is supported.
Drop-in alternatives for PIC24FJ192GA106T-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 PIC24FJ192GA106T-I/PT (same form factor and footprint) — differing in Package, ADC, Standby Current, Timers, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ192GA106-I/PT
✅ Drop-In✓ In Stock
$4.35 / Unit
View Datasheet →PIC24FJ256GA106-I/PT
✅ Drop-In✓ In Stock
$4.3 / Unit
View Datasheet →PIC24FJ128GA106-I/PT
✅ Drop-In✓ In Stock
$4.88 / Unit
View Datasheet →PIC24FJ128GA106-I/MR
✅ Drop-In✓ In Stock
$4.15 / Unit
View Datasheet →PIC24FJ192GA106T-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC24F 16-bit RISC Modified Harvard |
| CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 192 KB (65.5K x 24) |
| Data RAM | 16 KB |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| I/O Pins | 53 |
| ADC | 10-bit, 16 channels |
| Analog Comparators | 3 |
| UART | 4 |
| SPI | 3 |
| I2C | 3 |
| Timers | 23 (independent) |
| RTCC | Yes (hardware) |
| CTMU | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Standby Current (XLP) | < 100 nA |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC24FJ192GA106T-I/PT Pin Configuration
| Pin 1 | SDA3/RPxx — I2C3 data or remappable I/O |
| Pin 2 | SCL3/RPxx — I2C3 clock or remappable I/O |
| Pin 3 | RPxx — Remappable I/O |
| Pin 4 | RPxx — Remappable I/O |
| Pin 5 | RPxx — Remappable I/O |
| Pin 6 | RPxx — Remappable I/O |
| Pin 7 | RPxx — Remappable I/O |
| Pin 8 | RPxx — Remappable I/O |
| Pin 9 | RPxx — Remappable I/O |
| Pin 10 | RPxx — Remappable I/O |
| Pin 11 | VDD — Power supply (2.0-3.6 V) |
| Pin 12 | VSS — Ground |
| Pin 13 | RPxx — Remappable I/O |
| Pin 14 | RPxx — Remappable I/O |
| Pin 15 | RPxx — Remappable I/O |
| Pin 16 | RPxx — Remappable I/O |
| Pin 17 | RPxx — Remappable I/O |
| Pin 18 | RPxx — Remappable I/O |
| Pin 19 | RPxx — Remappable I/O |
| Pin 20 | RPxx — Remappable I/O |
| Pin 21 | RPxx — Remappable I/O |
| Pin 22 | RPxx — Remappable I/O |
| Pin 23 | RPxx — Remappable I/O |
| Pin 24 | RPxx — Remappable I/O |
| Pin 25 | RPxx — Remappable I/O |
| Pin 26 | RPxx — Remappable I/O |
| Pin 27 | VDD — Power supply |
| Pin 28 | VSS — Ground |
| Pin 29 | ANx — Analog input / remappable |
| Pin 30 | ANx — Analog input |
| Pin 31 | ANx — Analog input |
| Pin 32 | ANx — Analog input |
| Pin 33 | ANx — Analog input |
| Pin 34 | ANx — Analog input |
| Pin 35 | ANx — Analog input |
| Pin 36 | ANx — Analog input |
| Pin 37 | ANx — Analog input |
| Pin 38 | ANx — Analog input |
| Pin 39 | ANx — Analog input |
| Pin 40 | ANx — Analog input |
| Pin 41 | ANx — Analog input |
| Pin 42 | ANx — Analog input |
| Pin 43 | ANx — Analog input |
| Pin 44 | ANx — Analog input |
| Pin 45 | ANx — Analog input |
| Pin 46 | ANx — Analog input |
| Pin 47 | AVDD — Analog supply |
| Pin 48 | AVSS — Analog ground |
| Pin 49 | MCLR — Reset (active low) |
| Pin 50 | OSCI — Crystal input |
| Pin 51 | OSCO — Crystal output |
| Pin 52 | SOSCI — Secondary crystal input |
| Pin 53 | SOSCO — Secondary crystal output |
| Pin 54 | VCAP — Internal regulator bypass |
| Pin 55 | PGECx — ICSP clock |
| Pin 56 | PGEDx — ICSP data |
| Pin 57 | RPxx — Remappable I/O |
| Pin 58 | RPxx — Remappable I/O |
| Pin 59 | RPxx — Remappable I/O |
| Pin 60 | RPxx — Remappable I/O |
| Pin 61 | RPxx — Remappable I/O |
| Pin 62 | RPxx — Remappable I/O |
| Pin 63 | RPxx — Remappable I/O |
| Pin 64 | RPxx — Remappable I/O |
Typical Applications
PIC24FJ192GA106T-I/PT is suitable for 6 applications: Industrial Sensor Hub with Multi-Serial Connectivity, Low-Power IoT Sensor Node, HMI with Touch Sensing via CTMU, General-Purpose Embedded Control with RTCC Logging, Data Logger with Multiple Serial Channels, Automotive Body Electronics (Non-Safety).
Industrial Sensor Hub with Multi-Serial Connectivity
The PIC24FJ192GA106T-I/PT is well suited to industrial sensor hubs because its 4x UART, 3x SPI, and 3x I2C ports allow simultaneous connections to RS-485 sensor arrays, SPI ADC/DAC chips, I2C sensor clusters, and a wireless module without external multiplexer ICs. The 16 KB RAM buffers data bursts from multiple sensors before forwarding, and the 192 KB Flash holds complex Modbus, CAN bridges, and sensor fusion code. Peripheral Pin Select reassigns peripherals to avoid bus contention on the PCB. Industrial -40 C to +85 C operation supports factory-floor deployment. The XLP sub-100 nA standby enables battery-backed operation during line-power faults, with RTCC providing timestamped logging for fault forensics.
Recommended
Low-Power IoT Sensor Node
The PIC24FJ192GA106T-I/PT fits battery-powered IoT nodes due to its sub-100 nA XLP Sleep current and 0.8 mA/MIPS active consumption at 16 MIPS. With 16 KB RAM and 192 KB Flash, the device runs wireless protocol stacks, sensor read loops, and local analytics on a coin cell for years. RTCC handles scheduled wake-up with minimal current draw, while CTMU can measure battery voltage and capacitive sensors without an analog frontend. The 4x UART supports direct module-to-module mesh, and PPS keeps the PCB compact. 2.0-3.6 V VDD matches single-cell battery chemistries including Li-ion, LiFePO4, and 2x AA. Internal regulator handles voltage smoothing.
Recommended
HMI with Touch Sensing via CTMU
The PIC24FJ192GA106T-I/PT uses the Charge Time Measurement Unit (CTMU) for touch buttons, sliders, and proximity sensors without external touch controller ICs. With 53 I/O pins and PPS, designers can spread a 16-key touch matrix across the board while keeping main code in 192 KB Flash. The 16-channel 10-bit ADC simultaneously samples analog inputs such as rotary encoders or NTC thermistors. XLP Sleep keeps the HMI idle at under 100 nA between touches. RTCC schedules wake on touch or scheduled refresh. Industrial temperature grade supports outdoor kiosks and automotive interior panels.
Recommended
General-Purpose Embedded Control with RTCC Logging
The PIC24FJ192GA106T-I/PT excels in general-purpose embedded control systems where deterministic 16 MIPS throughput, hardware RTCC, and abundant peripherals replace discrete logic. The 53 I/O pins drive relays, FETs, keypads, displays, and serial peripherals directly. Hardware RTCC provides time-stamped event logging across power cycles with battery backup, eliminating external RTC chips. The 16 KB RAM holds event queues and protocol buffers, while 192 KB Flash accommodates full firmware with bootloader for OTA updates via UART. CTMU supports timing and capacitance-based measurements (millimeter, humidity, level). PPS reassigns peripherals for layout flexibility.
Recommended
Data Logger with Multiple Serial Channels
The PIC24FJ192GA106T-I/PT serves as a multi-channel data logger where its 4x UART and 3x SPI ingest multiple sensor streams in parallel. The 16 KB RAM provides FIFO buffering for high-rate sampling before offload to SD card over SPI, while 192 KB Flash stores compression and calibration tables. The 10-bit 16-channel ADC captures analog telemetry and the three analog comparators handle threshold detection. RTCC timestamps every record with second-level accuracy. The CTMU measures sensor bias currents. Industrial -40 C to +85 C supports outdoor logger deployment. With XLP Sleep, loggers operate for months on AA cells between scheduled wake events.
Recommended
Automotive Body Electronics (Non-Safety)
The PIC24FJ192GA106T-I/PT is industrial-grade (-I), not AEC-Q100 automotive qualified, but suits non-safety body electronics such as interior lighting controllers, seat comfort modules, infotainment aux panels, and door-lock subsystems where -40 C to +85 C operation is acceptable. The 53 I/O pins drive LED matrices, switches, and motors directly. PPS simplifies wiring harness routing. RTCC supports time-based features (welcome lighting, alarm scheduling). CTMU enables capacitive buttons. The 192 KB Flash / 16 KB RAM holds state machines and CAN-compatible firmware. Note: for safety-critical ECUs, Microchip's dsPIC33 or PIC32MK AEC-Q100 families are required.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ192GA106T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ192GA106-I/PT | PIC24FJ256GA106-I/PT | PIC24FJ128GA106-I/PT |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP - same | 64-TQFP - same | 64-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 192 KB | 192 KB - same | 256 KB (+33%) | 128 KB (-33%) |
| RAM | 16 KB | 16 KB - same | 32 KB (+100%) | 8 KB (-50%) |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same |
| I/O Pins | 53 | 53 - same | 53 - same | 53 - same |
| UART / SPI / I2C | 4 / 3 / 3 | 4 / 3 / 3 - same | 4 / 3 / 3 - same | 4 / 3 / 3 - same |
| ADC | 10-bit, 16-ch | 10-bit, 16-ch - same | 10-bit, 16-ch - same | 10-bit, 16-ch - same |
| Operating Voltage | 2.0-3.6 V | 2.0-3.6 V - same | 2.0-3.6 V - same | 2.0-3.6 V - same |
| Packaging | Tape & Reel | Tray | Tray | Tray |
Key Differentiators
- Highest Flash density in the GA106 family at 64-pin TQFP (vs PIC24FJ128GA106-I/PT)
- 16 KB RAM doubles the buffer capacity (vs PIC24FJ128GA106-I/PT)
- Tape-and-reel packaging supports high-volume SMD production (vs PIC24FJ192GA106-I/PT)
- PPS, CTMU, and RTCC integrated without external components (vs PIC24FJ64GB106-I/PT)
Design Notes
Place 0.1 uF ceramic + 10 uF bulk decoupling capacitors close to every VDD/VSS pin pair (pins 11-12 and 27-28). The internal voltage regulator needs a low-ESR 10 uF capacitor on VCAP (pin 54) with maximum 5 cm trace length. For battery operation below 2.0 V, enable brown-out reset (BOR) at the lowest threshold (2.0 V) to avoid corruption. VDD 2.0-3.6 V is mandatory; below 2.0 V causes undefined behavior.
Reserve analog pins (29-46) for ADC inputs only where possible; digital switching on these pins injects noise into ADC readings. Place the analog AVSS/AVDD pins (47-48) with their own 10 uF + 0.1 uF filter. Keep crystal traces (OSCI/OSCO, SOSCI/SOSCO at pins 50-53) under 10 mm, surrounded by ground pour, and isolate from switching signals. The 64-TQFP package has thermal resistance approximately 60 C/W and needs no heatsink at typical MCU power levels under 100 mW.
Common pitfalls: (1) Never omit the VCAP capacitor on pin 54 - the part will not start without it. (2) PPS assignments must match peripheral hardware; remapped outputs need unlocking sequence before configuration changes. (3) ICSP pins PGECx/PGEDx (pins 55-56) must be accessible for production programming and debugging - do not use them as application I/O without a test header. (4) CTMU current source requires calibration constants in NVRAM for accurate touch readings. (5) MCLR (pin 49) must be pulled up with at least 4.7 kOhm to VDD - floating reset causes spurious startups.
Use a four-layer PCB stack-up with continuous ground plane under the MCU. Route ICSP programming pins 55-56 to a 2x3 or 1x6 header accessible from the board edge for factory programming. Place the 32.768 kHz SOSC crystal (pins 52-53) within 5 mm of the pins and guard it with ground ring. Leave D+/D- (no USB on this device, so pins are free) as standard I/O. Use Surface Mount Component Layout routing style for the 64-TQFP 0.5 mm pitch pads with 6 mil trace and 5 mil space to clear fan-out.
Compliance Information
RoHS-compliant and lead-free per Microchip product documentation. Industrial temperature grade -I (not automotive AEC-Q100); for safety-critical automotive applications choose dsPIC33 or PIC32MK AEC-Q100 variants.
