PIC16F18446T-I/SO Microchip Integrated Circuit (Small Outline Packages) In Stock
Microchip PIC16F18446T-I/SO is an 8-bit PIC microcontroller with 28 KB flash, 2 KB RAM, 32 MHz max clock, 12-bit ADC with computation, dual PWMs, DAC, CWG, EUSART, SPI, and I2C in a 20-pin SOIC package. Suitable for embedded sensing and control applications. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18446T-I/SO Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2800(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 28 KB flash and 2 KB RAM with 32 MHz max clock supporting complex firmware in an 8-bit PIC architecture
- 12-bit ADCC (ADC with Computation) enables hardware-accelerated averaging and threshold detection for sensor applications
- Rich analog peripherals including DAC, 2x PWMs, and comparator in a compact 20-pin SOIC for mixed-signal control
Applications
The PIC16F18446T-I/SO is designed for low-power embedded control applications requiring integrated analog and digital peripherals, such as battery-powered sensor nodes, home automation devices, and motor control systems. Its 12-bit ADCC with hardware computation reduces CPU overhead for analog signal processing, making it effective in IoT edge devices and consumer appliances. The 20-pin SOIC package and 2.3 V minimum operation at 16 MHz enable compact, energy-efficient designs for portable and industrial electronics.
Specifications
| Manufacturer Package Code | SOIC-20 |
| Factory Lead Time | 7Weeks |
| Date Of Intro | 2017-12-21 |
| YTEOL | 19 |
| Has ADC | YES |
| Additional Feature | IT ALSO OPERATES AT 2.3V MIN AT 16 MHZ |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC16 |
| Clock Frequency-Max | 32MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 1 |
| Number of I/O Lines | 18 |
| Number of Serial I/Os | 1 |
| Number of Timers | 9 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 14 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| RAM (bytes) | 2048 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 32MHz |
| Supply Current-Max | 4.8mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F18446T-I/SO:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PDSO20
Frequently Asked Questions
What is the maximum clock frequency and minimum operating voltage of the PIC16F18446T-I/SO?
The PIC16F18446T-I/SO operates at up to 32 MHz and can function from a minimum supply voltage of 2.3 V at 16 MHz operation. This low-voltage capability makes it suitable for battery-powered applications and energy-harvesting designs where supply voltage may drop below standard 3.3 V rails during normal operation.
How does the 12-bit ADCC in PIC16F18446T-I/SO differ from a standard 12-bit ADC and why does it matter for sensor designs?
The 12-bit ADCC (ADC with Computation) in the PIC16F18446T-I/SO includes on-chip hardware for averaging, low-pass filtering, threshold comparison, and burst acquisition without CPU intervention. This reduces firmware complexity and power consumption in sensor applications by allowing the hardware to accumulate up to 256 samples and trigger interrupts only when a threshold is crossed, freeing the 32 MHz CPU core for other tasks.
Which communication interfaces does PIC16F18446T-I/SO support for connecting to external sensors and peripherals?
The PIC16F18446T-I/SO integrates EUSART (enhanced UART/SPI), hardware SPI, and I2C interfaces, enabling connection to a wide range of external sensors, EEPROMs, displays, and wireless modules. Multiple serial protocols in a single 20-pin SOIC device reduce the need for external interface ICs, which is valuable in BOM-constrained IoT and industrial sensor applications.
Is PIC16F18446T-I/SO a good fit for a compact motor driver or LED dimmer project with analog feedback?
Yes, the PIC16F18446T-I/SO includes 2 PWM outputs for motor or LED control, a DAC for analog reference generation, a comparator for overcurrent detection, and 12-bit ADCC for analog feedback sampling. All of these peripherals fit in a 20-pin SOIC package, making it an all-in-one solution for single-phase motor control and PWM LED dimming applications operating from 2.3 V to 5.5 V supplies.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.7600 | $1.76 |
| 100+ | $1.4600 | $146.00 |
| 1000+ | $1.3400 | $1340.00 |
| 5000+ | $1.2800 | $6400.00 |
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