PIC16LF1519-E/MV - 28KB Flash MCU, 40-UQFN | Microchip
MPN: PIC16LF1519-E/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.04 | $2.04 |
| 10 | $1.86 | $18.60 |
| 100 | $1.62 | $162.00 |
| 500 | $1.41 | $705.00 |
| 1,000 | $1.25 | $1,250.00 |
PIC16LF1519-E/MV Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), working memory (RAM), and a rich set of peripherals (ADC, timers, communication ports) into one IC. Within the embedded power hierarchy, the PIC16LF1519 sits in the 8-bit mid-range tier, below 16-bit dsPIC and 32-bit ARM Cortex-M0 parts in computational throughput but above basic 8-bit PIC10/12 devices in peripheral count and memory depth. The XLP™ (eXtreme Low Power) designation indicates this part targets battery and energy-harvesting applications where nanoWatt sleep current matters as much as MIPS performance.
Key features include nanoWatt XLP technology for sub-1 µA sleep currents, a 10-bit ADC with multiple channels, multiple Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) and MSSP (I²C/SPI) peripherals, and 18 I/O pins accessible from the 40-pin UQFN package. The device also integrates a 16-level hardware stack, multiple timer modules (Timer0/1/2), and an enhanced PWM module suitable for motor and lighting control.
The PIC16LF1519 uses Microchip's enhanced mid-range 8-bit core with a single-cycle internal oscillator and an instruction pipeline that delivers near-1 MIPS/MHz throughput. The 28KB self-programmable Flash allows In-Circuit Serial Programming™ (ICSP™) and runtime EEPROM emulation. The 40-UQFN (5x5 mm) exposed-pad package provides low thermal resistance and a compact footprint for space-constrained designs such as sensor nodes and handheld instruments.
Typical applications include portable consumer electronics, IoT sensor nodes, low-power remote controls, automotive body and interior modules, white goods and appliance control boards, and small motor control. Designers typically pair the MCU with a low-quiescent LDO (e.g., MCP1700) and a low-power sensor (e.g., MCP9808) for battery-powered data logging.
When designing with this part, ensure decoupling is placed within 5 mm of each supply pin and that the exposed pad is soldered to a continuous ground copper pour for thermal dissipation. The internal 16 MHz HFINTOSC is factory-calibrated to ±1% but drifts with temperature; a crystal or external oscillator is recommended for UART communication at high baud rates.
This page synthesizes distributor pricing, drop-in same-package alternatives drawn from the same PIC16(L)F151x family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16LF1519-E/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 PIC16LF1519-E/MV (same form factor and footprint) — differing in Package, Core Architecture, I/O Pins, Operating Temperature, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1519-E/MV
✅ Drop-In✓ In Stock
$1.96 / Unit
View Datasheet →PIC16LF1519-I/MV
✅ Drop-In✓ In Stock
$1.86 / Unit
View Datasheet →PIC16LF1519T-I/MV
✅ Drop-In✓ In Stock
$2.25 / Unit
View Datasheet →PIC16F1519-I/MV
✅ Drop-In✓ In Stock
$1.92 / Unit
View Datasheet →PIC16LF1519-E/MV Maximum Ratings & Electrical Characteristics
| Family | PIC® XLP™ 16F |
| Core | 8-bit PIC enhanced mid-range |
| Program Memory (Flash) | 28 KB (16K x 14) |
| RAM | 1024 bytes |
| Maximum CPU Speed | 20 MHz |
| Supply Voltage (VDD) | 2.5 V to 3.6 V |
| I/O Pins | 18 |
| Package | 40-UQFN (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 °C to +125 °C (Extended / Automotive) |
| Low-Power Technology | nanoWatt XLP™ |
| ROM Type | Flash |
| RoHS Status | Compliant (Lead-Free) |
| Lead-Free / Halogen-Free | Lead-Free per Verified Web Data |
PIC16LF1519-E/MV Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O pin / analog input |
| Pin 2 | RA4 — Bidirectional I/O pin / analog input |
| Pin 3 | RA3 — Bidirectional I/O pin / analog input / MCLR |
| Pin 4 | RC5 — Bidirectional I/O pin |
| Pin 5 | RC4 — Bidirectional I/O pin |
| Pin 6 | RC3 — Bidirectional I/O pin / analog input |
| Pin 7 | RC2 — Bidirectional I/O pin / analog input |
| Pin 8 | RC1 — Bidirectional I/O pin / analog input |
| Pin 9 | RC0 — Bidirectional I/O pin / analog input |
| Pin 10 | RA2 — Bidirectional I/O pin / analog input |
| Pin 11 | RA1 — Bidirectional I/O pin / analog input |
| Pin 12 | RA0 — Bidirectional I/O pin / analog input |
| Pin 13 | VDD — Positive supply voltage |
| Pin 14 | VSS — Ground reference |
| Pin 15 | RA7 — Bidirectional I/O pin / analog input |
| Pin 16 | RA6 — Bidirectional I/O pin / analog input |
| Pin 17 | RC7 — Bidirectional I/O pin |
| Pin 18 | RC6 — Bidirectional I/O pin |
| Pin 19 | RB7 — Bidirectional I/O pin / analog input |
| Pin 20 | RB6 — Bidirectional I/O pin / analog input |
| Pin 21 | RB5 — Bidirectional I/O pin / analog input |
| Pin 22 | RB4 — Bidirectional I/O pin / analog input |
| Pin 23 | RB3 — Bidirectional I/O pin / analog input |
| Pin 24 | RB2 — Bidirectional I/O pin / analog input |
| Pin 25 | RB1 — Bidirectional I/O pin / analog input |
| Pin 26 | RB0 — Bidirectional I/O pin / analog input |
| Pin 27 | RD7 — Bidirectional I/O pin |
| Pin 28 | RD6 — Bidirectional I/O pin |
| Pin 29 | RD5 — Bidirectional I/O pin |
| Pin 30 | RD4 — Bidirectional I/O pin |
| Pin 31 | RD3 — Bidirectional I/O pin |
| Pin 32 | RD2 — Bidirectional I/O pin |
| Pin 33 | RD1 — Bidirectional I/O pin |
| Pin 34 | RD0 — Bidirectional I/O pin |
| Pin 35 | RE3 — Bidirectional I/O pin |
| Pin 36 | RE2 — Bidirectional I/O pin |
| Pin 37 | RE1 — Bidirectional I/O pin |
| Pin 38 | RE0 — Bidirectional I/O pin |
| Pin 39 | VSS — Ground reference (duplicate) |
| Pin 40 | VDD — Positive supply voltage (duplicate) |
Typical Applications
PIC16LF1519-E/MV is suitable for 6 applications: Battery-Powered IoT Sensor Node, Automotive Interior Control Module, Low-Power Remote Control / Key Fob, White Goods and Appliance Control, Small DC Motor and Fan Controller, Portable Medical Monitoring Accessory.
Battery-Powered IoT Sensor Node
The PIC16LF1519-E/MV's nanoWatt XLP technology delivers sub-1 µA sleep current, enabling multi-year battery life in wireless sensor nodes. With 28 KB Flash and 1024 B RAM, the MCU can hold a full sensor-fusion stack while driving an SPI-connected radio such as the MRF24J40. The 2.5V-3.6V supply range aligns with single-cell lithium or 2xAA battery chemistries without a boost converter. Typical runtime at 1% duty cycle exceeds 5 years on 2xAA. Pair with the MCP9808 temperature sensor and MCP1700 LDO.
Recommended
Automotive Interior Control Module
The PIC16LF1519-E/MV's -40 °C to +125 °C extended temperature grade and 18 I/O pins suit interior lighting, seat-position controllers, and HVAC damper drivers. The 10-bit ADC reads potentiometers and thermistors, while the EUSART and MSSP peripherals handle LIN bus and LED matrix updates. The 28 KB Flash allows storage of multi-channel LED fade curves and diagnostic routines. Pair with the MCP2515 CAN controller or ATA663231 LIN transceiver for in-vehicle networking.
Recommended
Low-Power Remote Control / Key Fob
The PIC16LF1519-E/MV is ideal for handheld remote controls thanks to nanoWatt sleep currents below 1 µA and a wake-on-pin-change capability that preserves battery life between button presses. The 18 I/O pins support matrix-scanned keypads up to 4x4, while the MSSP peripheral drives an SPI-connected RF transmitter such as the nRF24L01. Typical CR2032 coin-cell runtime exceeds 3 years at 50 daily button events.
Recommended
White Goods and Appliance Control
The PIC16LF1519-E/MV provides 28 KB of Flash for storing appliance firmware, multiple timer channels for motor control (PWM, input capture), and a 10-bit ADC for temperature and current sensing. The 18 I/O pins drive relays, triacs, and seven-segment displays in washing machines, dishwashers, and microwave ovens. Pair with the MCP1416 gate driver for MOSFET-based motor switching and the MCP9700 thermistor for over-temperature protection.
Recommended
Small DC Motor and Fan Controller
The PIC16LF1519-E/MV's Enhanced PWM module generates complementary PWM outputs with programmable dead-band, ideal for brushed DC and BLDC motor control up to 28 KB Flash for state-machine firmware. The 10-bit ADC reads back-EMF or shunt current for closed-loop speed control. The 40-UQFN exposed-pad package keeps the die cool at sustained PWM duty cycles. Pair with the MCP1416 gate driver and Hall-effect sensors such as the ATS344.
Recommended
Portable Medical Monitoring Accessory
The PIC16LF1519-E/MV's low-power architecture and 28 KB Flash are well-suited for battery-powered medical accessories such as pulse-oximeter dongles and wearable thermometers. The 10-bit ADC reads sensor signals while the MSSP peripheral streams data over BLE via an attached RN4871 module. nanoWatt sleep ensures multi-day runtime between charges. Pair with the MCP9808 medical-grade temperature sensor and MCP1700 LDO for regulatory-friendly power design.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1519-E/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1519-E/MV | PIC16LF1519-I/MV | PIC16LF1519T-I/MV | PIC16F1519-I/MV |
|---|---|---|---|---|---|
| Package | 40-UQFN (5x5) with EP | 40-UQFN (5x5) - same | 40-UQFN (5x5) - same | 40-UQFN (5x5) - same | 40-UQFN (5x5) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 28 KB | 28 KB | 28 KB | 28 KB |
| RAM | 1024 B | 1024 B | 1024 B | 1024 B | 1024 B |
| Supply Voltage Range | 2.5 V to 3.6 V | 2.3 V to 5.5 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.3 V to 5.5 V |
| Operating Temperature | -40 °C to +125 °C (E) | -40 °C to +125 °C (E) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) | -40 °C to +85 °C (I) |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| I/O Pins | 18 | 18 | 18 | 18 | 18 |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
| Packaging Form | Tray / cut-tape | Tray / cut-tape | Tray / cut-tape | Tape & Reel (T suffix) | Tray / cut-tape |
Key Differentiators
- nanoWatt XLP low-power architecture with sub-µA sleep current (vs PIC16F1519-I/MV (5V variant))
- Extended automotive temperature grade (-40 °C to +125 °C) (vs PIC16LF1519-I/MV (industrial grade))
- Compact 5x5 mm 40-UQFN footprint with exposed thermal pad (vs PIC16LF1518-I/ML (44-pin QFN 8x8 mm))
Design Notes
The 40-UQFN (5x5) package has an exposed thermal pad on the underside that MUST be soldered to a continuous ground copper pour with thermal relief spokes. Failing to solder the EP creates a floating ground reference that causes erratic ADC readings, brown-out resets under load, and thermal runaway at elevated ambient temperatures. Place at least 6 thermal vias under the EP to a ground plane on the opposite PCB layer. Microchip AN2077 covers UQFN PCB layout best practices in detail.
Place 100 nF X7R decoupling capacitors within 5 mm of every VDD pin (pin 13 and pin 40 on this package), with the via stub to ground kept short. For low-power sleep-current-critical designs, also place a 10 µF X5R bulk capacitor on the MCU supply rail to handle the inrush when waking from sleep with active peripherals. The 2.5V-3.6V VDD range allows direct connection to a 1-cell Li-ion battery through an LDO. Microchip AN2335 provides nanoWatt XLP firmware tips to reach sub-µA sleep.
For analog readings on the 10-bit ADC, route analog signals away from digital switching traces. Use a guard ring around the analog input pins connected to analog ground (AGND) which ties back to a single point on the MCU ground pin. The MSSP peripheral pins (SDA/SCL or SCK/SDI) can inject switching noise into adjacent analog channels; add 4.7 kΩ pull-ups on I²C lines but keep I²C traces short. Microchip TB3065 covers ADC averaging techniques for noisy environments.
Compliance Information
RoHS compliant (Lead-Free) per Verified Web Data distributor listings. E temperature grade (Extended, -40C to +125C) supports automotive interiors but is not AEC-Q100 qualified.
