PIC16LF1517T-I/MV - 8-Bit 20MHz 14KB Flash MCU | Microchip
MPN: PIC16LF1517T-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.21 | $2.21 |
| 10 | $1.98 | $19.80 |
| 100 | $1.76 | $176.00 |
| 500 | $1.54 | $770.00 |
| 1,000 | $1.32 | $1,320.00 |
PIC16LF1517T-I/MV Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), peripherals such as timers, ADC, communication interfaces, and general-purpose I/O into one package. Within the broader system hierarchy, the PIC16LF1517 sits under: microcontroller → embedded controller → semiconductor device → integrated circuit. The PIC16LF1517 specifically belongs to Microchip's enhanced mid-range PIC16 family using a 14-bit instruction word architecture, balancing code density, deterministic execution, and ease of development with the MPLAB X IDE and XC8 toolchain.
Key features include an XLP (eXtreme Low Power) design with sleep currents in the nanoampere range, a 10-bit ADC with multiple channels, support for up to 35 I/O pins, and integrated peripherals such as EUSART, MSSP (SPI/I²C), timers, and PWM. The wide 1.8 V–3.6 V operating range makes the part ideal for direct connection to single-cell Li-ion or two-cell alkaline battery stacks without additional level shifting.
The PIC16LF1517 uses a Harvard architecture with separate program and data buses, executing most instructions in a single instruction cycle. The 14-bit instruction width enables compact code, while the 8-bit data path keeps peripheral registers simple. Core-independent peripherals (CIPs) such as the CWG (Complementary Waveform Generator) and NCO (Numerically Controlled Oscillator) can operate without CPU intervention, allowing ultra-low sleep current while still responding to events.
Typical applications include battery-powered IoT sensor nodes, low-power remote controls, consumer appliances with simple user interfaces, LED lighting controllers, and small industrial sensors that benefit from 10-bit ADC resolution for analog signal conditioning.
When designing with this device, ensure that the exposed thermal pad on the UQFN-40 package is properly soldered to a sufficient copper pour to provide both thermal dissipation and a low-impedance ground reference. Use MPLAB X IDE with the XC8 compiler and consider the PICkit or Snap programmer for in-circuit debugging.
This page synthesizes distributor pricing, parametric depth, drop-in alternatives from the PIC16 family, and practical low-power design guidance not found in the standalone manufacturer datasheet.
Drop-in alternatives for PIC16LF1517T-I/MV — 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 PIC16LF1517T-I/MV (same form factor and footprint) — differing in Package, Operating Temperature, Program Memory (Flash), ADC, Supply Voltage (VDD).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1517-I/MV
✅ Drop-In✓ In Stock
$1.71 / Unit
View Datasheet →PIC16LF1516T-I/MV
✅ Drop-In✓ In Stock
$0.96 / Unit
View Datasheet →PIC16LF1518T-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1519T-I/MV
✅ Drop-In✓ In Stock
$2.25 / Unit
View Datasheet →PIC16F1517T-I/MV
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16LF1517T-I/MV Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit enhanced mid-range |
| CPU Architecture | Harvard, 14-bit instruction word |
| Maximum CPU Frequency | 20 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data Memory (SRAM) | 512 bytes |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| ADC | 10-bit |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 40-UQFN (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Low-Power Technology | XLP (eXtreme Low Power) |
PIC16LF1517T-I/MV 40-uqfn (5x5 mm) with exposed pad Pin Configuration Guide
Pin configuration for PIC16LF1517T-I/MV (40-uqfn (5x5 mm) with exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC16LF1517T-I/MV.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC16LF1517T-I/MV is suitable for 6 applications: Battery-Powered IoT Sensor Node, Consumer Remote Control, LED Lighting Controller, Small Industrial Sensor / Transmitter, Home Appliance User Interface, Automotive Body Electronics (Sub-System).
Battery-Powered IoT Sensor Node
The PIC16LF1517T-I/MV fits IoT sensor nodes that wake briefly, sample sensors, transmit, and return to deep sleep. Its XLP technology enables sleep currents in the nanoampere range while the 1.8 V–3.6 V supply range allows direct connection to single-cell Li-ion or 2x alkaline battery stacks. The 14 KB Flash stores application code plus small protocol stacks (e.g., simple MQTT-SN or proprietary RF protocols). The 10-bit ADC with up to 28 channels reads multiple analog sensors (temperature, light, soil moisture) without external multiplexer. A peripheral pin select (PPS) system allows flexible signal routing, reducing PCB complexity. Compared with 32-bit Cortex-M0+ alternatives, this PIC16 uses less code space and runs from a smaller battery for years.
Recommended
Consumer Remote Control
The PIC16LF1517T-I/MV is well-suited for handheld infrared or sub-GHz RF remote controls where battery life is paramount. XLP sleep currents below 1 uA allow a CR2032 coin cell to last the shelf life of the product. The 14 KB Flash comfortably stores button matrix decoding, IR protocol generation (RC5, NEC, SIRC), and small RF protocol stacks. The 20 MHz CPU executes IR timing-critical loops with sub-microsecond precision thanks to deterministic single-cycle instruction execution. The UQFN-40 (5x5 mm) package keeps the PCB small enough for slim handheld form factors, and the integrated 10-bit ADC can read battery voltage to trigger a low-battery LED indicator without an external ADC IC.
Recommended
LED Lighting Controller
The PIC16LF1517T-I/MV drives LED lighting fixtures requiring smooth dimming, color mixing, or DMX-style control. The 10-bit PWM peripherals (CCP/Enhanced CCP) and Complementary Waveform Generator (CWG) generate flicker-free dimming signals for white or RGB LEDs at frequencies above 200 Hz, well above the human flicker fusion threshold. The 14 KB Flash holds color tables, fade algorithms, and small network protocol stacks (DALI, 0-10 V, or simple wireless). The 1.8 V–3.6 V supply supports direct operation from LED driver aux rails. For tunable-white or RGBW fixtures, multiple PWM channels run independently without CPU overhead thanks to core-independent peripherals.
Recommended
Small Industrial Sensor / Transmitter
The PIC16LF1517T-I/MV is ideal for industrial 4-20 mA loop-powered transmitters, RTD/thermistor signal conditioners, and small process controllers. The wide 1.8 V–3.6 V supply tolerates the voltage headroom needed for 4-20 mA loop compliance, and the 10-bit ADC provides sufficient resolution for sensor linearization when paired with external precision references. The 14 KB Flash accommodates calibration tables for RTD curves, thermocouple linearization polynomials, and HART or Modbus framing. The -40C to +85C industrial temperature rating supports factory floor deployment. The 40-UQFN package mounts on compact sensor PCBs where space is at a premium.
Recommended
Home Appliance User Interface
The PIC16LF1517T-I/MV powers user interface boards in white goods such as washing machines, dishwashers, coffee makers, and microwave ovens. Its 14 KB Flash stores menu state machines, button debounce logic, and 7-segment or LCD driver code. Multiple timer peripherals drive buzzer tones, relay timing, and motor PWM without CPU load. The 1.8 V–3.6 V supply runs directly from a 3.3 V regulator derived from rectified mains. The exposed thermal pad on the UQFN-40 package dissipates heat from internal voltage regulators when the MCU runs at full 20 MHz in continuous-duty appliance control applications.
Recommended
Automotive Body Electronics (Sub-System)
The PIC16LF1517T-I/MV is suitable for non-safety automotive body electronics such as interior lighting controllers, seat heater modules, mirror adjusters, and accessory timers. Its 14 KB Flash holds CAN/LIN protocol stacks (with external transceiver), seat position memory, and PWM dimming logic for ambient lighting. The 1.8 V–3.6 V supply operates from a regulated 3.3 V rail inside the body control module. While the LF variant itself is not AEC-Q100 qualified, Microchip offers automotive-grade PIC16F equivalents in the same family for production deployment. The 40-UQFN (5x5 mm) package fits small PCB sub-assemblies where board area is constrained.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1517T-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1517-I/MV | PIC16LF1516T-I/MV | PIC16LF1518T-I/MV | PIC16LF1519T-I/MV | PIC16F1517T-I/MV |
|---|---|---|---|---|---|---|
| Package | 40-UQFN (5x5 mm) | 40-UQFN (5x5 mm) | 40-UQFN (5x5 mm) | 40-UQFN (5x5 mm) | 40-UQFN (5x5 mm) | 40-UQFN (5x5 mm) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 8 KB | 28 KB | 28 KB | 14 KB |
| SRAM | 512 bytes | 512 bytes | 512 bytes | 1024 bytes | 1024 bytes | 512 bytes |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Low-Power Technology | XLP (eXtreme Low Power) | XLP | XLP | XLP | XLP | Standard F (higher active current) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- XLP nanoamp-level sleep current (vs PIC16F1517T-I/MV)
- 14 KB Flash with 10-bit ADC (vs PIC16LF1516T-I/MV)
- Wide 1.8 V-3.6 V supply range (vs PIC16F1517T-I/MV)
- Core-independent peripherals (CIPs) (vs PIC16LF1503T-I/SL)
Design Notes
The 40-UQFN (5x5 mm) package exposes a central thermal pad (EP) on the bottom of the IC. This pad MUST be soldered to a copper pour on the PCB - typically a 4 mm x 4 mm or larger ground pour with multiple thermal vias to inner ground planes. Estimated: with theta_JA around 30 C/W for UQFN-40, power dissipation of 50 mW causes only a 1.5 C junction rise, which is negligible. However, omitting the EP solder connection can raise junction temperature significantly under load. Always follow Microchip AN2587 (UQFN PCB layout guidelines) for the land pattern and via stitching.
Place a 100 nF decoupling capacitor as close as possible to the VDD pin and a 10 uF bulk capacitor on the main supply rail. For battery-powered designs using XLP sleep modes, add a 100 nF capacitor on the VCORE pin if used. Estimated: with a 10 uF bulk capacitor and a switching load (e.g., sensor or RF burst), VDD ripple should remain below 50 mV. For noise-sensitive analog reads via the ADC, place an additional ferrite bead or LC filter on AVDD if the design uses a separate analog supply pin.
Route ICSP (In-Circuit Serial Programming) signals PGC and PGD as short, parallel traces with a ground guard on both sides to avoid crosstalk during programming. Keep the ICSP connector or test pad accessible on the PCB edge. If using PPS (Peripheral Pin Select), document the pin assignments in code comments so that future pin remapping is straightforward. Estimated: signal integrity issues typically appear only above 50 MHz; at PIC16's 20 MHz CPU clock, basic impedance-controlled routing is sufficient for most designs.
Do not exceed the maximum VDD of 3.6 V on the LF variant - this is the most common cause of PIC16LF1517T-I/MV damage. If your design uses a 5 V rail, switch to PIC16F1517T-I/MV instead. Configure unused I/O pins as outputs driven low (not high-impedance inputs) to minimize supply current. Enable the watchdog timer in long-running applications to recover from code lockups. When entering sleep, verify all peripherals are configured to wake the device on the intended interrupt source.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Standard PIC16LF1517T-I/MV is NOT AEC-Q100 qualified; Microchip offers automotive-grade variants in the same family for safety-critical applications. Halogen-free status not explicitly stated in verified data.
