PIC16F18446T-I/GZ Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
PIC16F18446T-I/GZ is a Microchip 8-bit PIC microcontroller with 28 KB flash, 2 KB RAM, and a 12-bit ADCC running up to 32 MHz. It integrates dual PWMs, CWG, EUSART, SPI/I2C, a DAC, and comparators in a 20-pin UQFN package. Available from stock with worldwide shipping.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- PIC16F18446T-I/GZ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2000(MOQ 25)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32 MHz max clock speed with 8-bit PIC16 core and 28 KB flash plus 2 KB RAM
- 12-bit ADCC with hardware averaging for accurate sensor measurements without software overhead
- Integrated CWG, dual PWM, DAC, comparator, EUSART, SPI, and I2C in a single 20-pin UQFN
- Low-voltage operation down to 2.3 V at 16 MHz for battery-powered embedded designs
Applications
PIC16F18446T-I/GZ targets low-power sensor nodes, home automation controllers, and IoT edge devices where the 12-bit ADCC and integrated analog peripherals reduce external component count. Its CWG output stage is ideal for driving brushed DC motors, solenoids, and half-bridge circuits directly from firmware. The compact 20-pin UQFN footprint suits space-constrained wearable and industrial control PCBs operating from 2.3 V to 5.5 V supplies.
Specifications
| Manufacturer Package Code | UQFN-20 |
| Factory Lead Time | 6Weeks |
| 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 | S-PQCC-N20 |
| 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 | LCC20,.16SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| 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 | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.15 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC16F18446T-I/GZ:
RISC Microcontroller, 8-Bit, FLASH, PIC16 CPU, 32MHz, CMOS, PQCC20
7KB, 512B RAM, 256B EEPROM, 10b ADC, Comp, 5b DAC, 10b PWM, CCP, CLC, NCO, CWG
7KB, 512 B RAM, 4xPWMs, Comparator, DAC, ADC, CWG, 2xEUSART, SPI/I2C
Frequently Asked Questions
At what clock frequency can PIC16F18446T-I/GZ run when powered from a 2.3 V battery supply?
PIC16F18446T-I/GZ operates at up to 16 MHz when the supply voltage is as low as 2.3 V, enabling efficient battery-powered applications. At 5.5 V the maximum clock is 32 MHz. This voltage-frequency scaling lets designers balance performance and current draw depending on available supply headroom in single-cell LiPo or alkaline-powered products.
How does the 12-bit ADCC in PIC16F18446T-I/GZ benefit sensor acquisition compared to a standard 10-bit ADC?
The 12-bit ADCC provides 4096 discrete levels versus 1024 for a 10-bit ADC, improving measurement resolution for temperature, pressure, or current sensors. It also includes hardware accumulation and averaging over up to 64 samples, reducing firmware complexity while achieving effective noise rejection without an external filter or oversampling loop.
Which motor-drive and power-conversion designs benefit most from the CWG peripheral on PIC16F18446T-I/GZ?
The Complementary Waveform Generator (CWG) produces non-overlapping complementary PWM signals with programmable dead-band, ideally suited for half-bridge and full-bridge DC motor drivers, synchronous buck converters, and flyback controllers. Running at up to 32 MHz with 2x PWM outputs plus CWG, the PIC16F18446T-I/GZ can generate switching waveforms in the hundreds of kHz range without external gate-driver timing ICs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $1.6100 | $40.25 |
| 100+ | $1.3700 | $137.00 |
| 1000+ | $1.2600 | $1260.00 |
| 5000+ | $1.2000 | $6000.00 |
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