PIC18F45K50-I/PT Microchip Integrated Circuit (Quad Flat Packages) In Stock
PIC18F45K50-I/PT is an 8-bit PIC18 microcontroller with 32 KB Flash, integrated ADC and DAC, running up to 48 MHz in a 44-pin TQFP package. It supports USB Full Speed 2.0 natively and operates down to 2.3V at 20 MHz for low-power applications. Available from authorized distributors worldwide with competitive pricing.
- Manufacturer
- Microchip
- Package
- Quad Flat Packages
- Pin Count
- 44
- Lifecycle
- ACTIVE
- Datasheet
- PIC18F45K50-I/PT Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 8-bit PIC18 core running up to 48 MHz for responsive embedded control
- 32 KB Flash program memory for full-featured firmware applications
- Integrated USB Full Speed 2.0 peripheral for direct PC/host connectivity
- On-chip ADC and DAC channels for analog signal acquisition and generation
- Low voltage operation: 2.3V minimum supply at 20 MHz for battery designs
- 44-pin TQFP compact SMD package with high I/O density
- Long lifecycle product (YTEOL 14) for sustained production availability
Applications
The PIC18F45K50-I/PT is well-suited for USB-connected embedded devices such as HID interfaces, custom USB peripherals, and PC data acquisition tools that need native USB Full Speed 2.0 without an external USB bridge chip. Its integrated DAC and ADC channels enable mixed-signal designs including audio output, sensor conditioning, and waveform generation in a single 8-bit device. The 44-pin TQFP package combined with low-voltage operation down to 2.3V supports compact, battery-powered USB accessories and measurement instruments.
Specifications
| Manufacturer Package Code | TQFP-44 |
| Factory Lead Time | 6Weeks |
| YTEOL | 14 |
| Has ADC | YES |
| Additional Feature | OPERATES AT 2.3 V MINIMUM SUPPLY AT 20 MHz |
| Bit Size | 8 |
| Boundary Scan | NO |
| CPU Family | PIC18 |
| Clock Frequency-Max | 48MHz |
| DAC Channels | YES |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | NO |
| JESD-30 Code | S-PQFP-G44 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of External Interrupts | 3 |
| Number of I/O Lines | 36 |
| Number of Serial I/Os | 1 |
| Number of Timers | 6 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TQFP44,.39SQ,31 |
| Package Shape | SQUARE |
| Package Style | FLATPACK, THIN PROFILE |
| Qualification Status | Not Qualified |
| RAM (bytes) | 2048 |
| ROM (words) | 32768 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 48MHz |
| Supply Current-Max | 11.5mA |
| Supply Voltage-Max | 5.5V |
| Supply Voltage-Min | 2.7V |
| Supply Voltage-Nom | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.8mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| ## PIC18F45K50-I/PT Alternates Showing results | Image |
| Package | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for PIC18F45K50-I/PT:
RISC Microcontroller, 8-Bit, FLASH, PIC18 CPU, 48MHz, CMOS, PQFP44
suggested
suggested
32 KB Flash, 2048 bytes RAM, 48 MHz Int. Osc w/ Clock Recovery, 36 I/0,
Frequently Asked Questions
Does PIC18F45K50-I/PT support USB connectivity natively, and what USB speed does it provide?
Yes, the PIC18F45K50-I/PT integrates a USB Full Speed 2.0 peripheral (12 Mbps) directly on-chip, eliminating the need for an external USB-to-serial bridge IC. This allows designers to implement HID, CDC, or custom USB class devices using just the microcontroller, reducing BOM cost and PCB area compared to solutions pairing a basic MCU with a separate USB controller.
What analog peripherals are integrated in PIC18F45K50-I/PT and how do they benefit mixed-signal designs?
The PIC18F45K50-I/PT includes both an ADC for analog input measurement and DAC channels for analog voltage output, enabling fully integrated mixed-signal signal chains. This means a single 8-bit device can read sensor voltages, perform digital processing at up to 48 MHz, and generate a calibrated analog reference or audio signal output without external discrete DAC ICs, simplifying the design and reducing component count.
At what minimum supply voltage does PIC18F45K50-I/PT operate, and which battery chemistries does that support?
The PIC18F45K50-I/PT operates at a minimum supply voltage of 2.3V at 20 MHz clock frequency, covering the discharge curve of single LiPo cells (discharged to approximately 3.0V), dual-cell NiMH packs (approximately 2.4V), and 2xAA alkaline packs near end of life. This low-voltage capability extends battery runtime and allows the device to continue operating when the supply sags during peak current draw.
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