PIC16F1519T-I/MV - 28KB Flash, 8-bit XLP MCU | Microchip
MPN: PIC16F1519T-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.55 | $25.50 |
| 100 | $2.21 | $221.00 |
| 500 | $1.96 | $980.00 |
| 1,000 | $1.74 | $1,740.00 |
PIC16F1519T-I/MV Overview
An 8-bit microcontroller (MCU) is a microprocessor integrating CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), and on-chip peripherals onto a single silicon die. Within the broader taxonomy, the PIC16F1519 belongs to the PIC16F family (mid-range PIC), part of the 8-bit MCU category, which itself sits inside the microcontroller > embedded controller > semiconductor hierarchy. The "nanoWatt XLP" branding refers to Microchip's ultra-low-power process and design techniques targeting sleep currents below 1 uA, extending battery life in portable and energy-harvesting designs. The MV suffix denotes the 40-pin UQFN package; the T suffix denotes tape-and-reel packaging; the I suffix denotes the industrial -40C to +85C temperature range.
Key differentiating features include 28KB Flash (16K x 14 words) with self-write capability, 1024 bytes RAM, an internal oscillator trimmed to ±1% typical accuracy, the 10-bit A/D converter with up to 28 analog channels (package-dependent), and enhanced mid-range core with 49 instructions, 16-level hardware stack, and automatic interrupt context saving. The device supports in-circuit serial programming (ICSP) and debug via MPLAB tools including the MPLAB Snap, PICkit 4, and ICD 4.
Typical applications include battery-powered IoT sensor nodes, low-power wireless protocol bridging (LoRa, Sub-GHz, BLE companion controllers), industrial sensing with analog front-ends, consumer appliances, automotive body and HVAC subsystems, USB HID peripherals, and small-form-factor embedded controllers in HVAC, lighting, and home automation where code density and ultra-low sleep current matter more than raw CPU speed.
Design considerations for the PIC16F1519 include layout of the 40-pin UQFN thermal/exposed pad to the ground plane for mechanical reliability, mandatory 100 nF + bulk decoupling near VDD, adherence to the in-circuit programming pin assignments (ICSPCLK/ICSPDAT), and correct configuration bit settings to enable the internal oscillator and disable unused peripherals for lowest sleep current.
This page synthesizes distributor pricing, drop-in alternative MPNs from the same PIC16F family, and practical design notes not consolidated on any single manufacturer or distributor page. Specifications below are extracted from the PIC16F1519 datasheet family document and distributor listings as of 2026-09-19.
Drop-in alternatives for PIC16F1519T-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 PIC16F1519T-I/MV (same form factor and footprint) — differing in Package, ADC, Operating Temperature, I/O Pins, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1519-I/MV
✅ Drop-In✓ In Stock
$1.92 / Unit
View Datasheet →PIC16F1518-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1516T-I/MV
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC16F1512-I/MV
✅ Drop-In✓ In Stock
$0.99 / Unit
View Datasheet →PIC16F1509T-I/ML
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1519T-I/MV Maximum Ratings & Electrical Characteristics
| Core Processor | PIC |
| Core Size | 8-bit |
| Series | PIC® XLP™ 16F |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| RAM | 1024 bytes |
| CPU Speed (max) | 20 MHz |
| Operating Voltage (Flash) | 2.3 V to 5.5 V |
| Operating Voltage (battery) | 1.8 V to 5.5 V |
| ADC | 10-bit |
| CCP Modules | 2 |
| Connectivity | EUSART, I2C (MI2C), SPI |
| Package | 40-pin UQFN (MV) 5x5 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) |
| Technology | nanoWatt XLP (eXtreme Low Power) |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Instruction Set | 49 instructions (enhanced mid-range) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F1519T-I/MV Pin Configuration
| Pin 1 | RA0/AN0 — PORTA bit 0 / analog channel 0 |
| Pin 2 | RA1/AN1 — PORTA bit 1 / analog channel 1 |
| Pin 3 | RA2/AN2 — PORTA bit 2 / analog channel 2 |
| Pin 4 | RA3/AN3/VREF+ — PORTA bit 3 / analog channel 3 / ADC VREF+ |
| Pin 5 | RA4/AN4 — PORTA bit 4 / analog channel 4 |
| Pin 6 | RA5/AN5/SS — PORTA bit 5 / analog channel 5 / SPI slave select |
| Pin 7 | RA6/OSC2/CLKOUT — PORTA bit 6 / crystal oscillator output / clock out |
| Pin 8 | RA7/OSC1/CLKIN — PORTA bit 7 / crystal oscillator input / clock in |
| Pin 9 | VSS — Ground reference |
| Pin 10 | VDD — Positive supply voltage (2.3-5.5V) |
| Pin 11 | RB0/AN12/INT — PORTB bit 0 / analog channel 12 / external interrupt |
| Pin 12 | RB1/AN10 — PORTB bit 1 / analog channel 10 |
| Pin 13 | RB2/AN8 — PORTB bit 2 / analog channel 8 |
| Pin 14 | RB3/AN9 — PORTB bit 3 / analog channel 9 |
| Pin 15 | RB4/AN11 — PORTB bit 4 / analog channel 11 |
| Pin 16 | RB5/AN13 — PORTB bit 5 / analog channel 13 |
| Pin 17 | RB6/ICSPCLK — PORTB bit 6 / ICSP clock |
| Pin 18 | RB7/ICSPDAT — PORTB bit 7 / ICSP data |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage (2.3-5.5V) |
| Pin 21 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / T1 clock in |
| Pin 22 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| Pin 23 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM/capture/compare |
| Pin 24 | RC3/SCL/SCK — PORTC bit 3 / I2C clock / SPI clock |
| Pin 25 | RC4/SDA/SDI — PORTC bit 4 / I2C data / SPI data in |
| Pin 26 | RC5/SDO — PORTC bit 5 / SPI data out |
| Pin 27 | RC6/TX/CK — PORTC bit 6 / EUSART TX / EUSART clock |
| Pin 28 | RC7/RX/DT — PORTC bit 7 / EUSART RX / EUSART data |
| Pin 29 | VSS — Ground reference |
| Pin 30 | VDD — Positive supply voltage (2.3-5.5V) |
| Pin 31 | RD0 — PORTD bit 0 |
| Pin 32 | RD1 — PORTD bit 1 |
| Pin 33 | RD2 — PORTD bit 2 |
| Pin 34 | RD3 — PORTD bit 3 |
| Pin 35 | RD4 — PORTD bit 4 |
| Pin 36 | RD5 — PORTD bit 5 |
| Pin 37 | RD6 — PORTD bit 6 |
| Pin 38 | RD7 — PORTD bit 7 |
| Pin 39 | VSS — Ground reference (ep) |
| Pin 40 | EP — Exposed thermal pad - connect to VSS ground plane |
Typical Applications
PIC16F1519T-I/MV is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Industrial Sensing with Analog Front-End, Consumer Appliance Control, Automotive Body and HVAC Subsystems, USB HID and Human Interface Devices, Home Automation and Lighting Control, Low-Power Wireless Protocol Bridging.
Battery-Powered IoT Sensor Nodes
The PIC16F1519T-I/MV fits IoT sensor nodes because its nanoWatt XLP technology delivers sleep currents under 1 uA typical with the WDT disabled, and the 1.8-5.5V operating range allows direct connection to 3.3V coin cells, 3.6V Li-SOCl2 primaries, and 2xAA alkaline stacks without a boost regulator. With 28KB Flash and 1024B RAM, the MCU can run a small RTOS or cooperative scheduler plus sensor drivers for temperature, humidity, and PIR occupancy, plus a Sub-GHz or BLE UART daughter module. The EUSART and MI2C/SPI peripherals cover most common sensor and wireless module interfaces.
Recommended
Industrial Sensing with Analog Front-End
The PIC16F1519T-I/MV suits industrial sensing because its 10-bit ADC with up to 28 analog channels can directly digitize 4-20 mA loop voltages, thermocouple references through op-amps, and bridge sensor outputs without an external ADC. The 2.3-5.5V Flash operation range supports 24V industrial rails when paired with a wide-input LDO like the Microchip MCP1755. Industrial temperature grade (-40C to +85C) and brown-out reset with POR protect against brownout-induced code corruption in noisy factory environments.
Recommended
Consumer Appliance Control
The PIC16F1519T-I/MV fits consumer appliances like coffee makers, air purifiers, and small kitchen devices because 28KB Flash holds UI state machines plus motor/valve drivers, 1024B RAM is enough for keypad debouncing and menu handling, and 20 MHz CPU drives PWM-controlled BLDC fans or pumps at low cost. The CCP modules provide 10-bit PWM for LED dimming and motor speed control. The industrial temperature range covers appliance under-cabinet environments.
Recommended
Automotive Body and HVAC Subsystems
The PIC16F1519T-I/MV works in automotive body controllers, HVAC blend-door actuators, and lighting control because the nanoWatt XLP core operates across automotive cold-crash conditions and the 28KB Flash holds LIN-bus protocol stacks, PWM schedules, and fault logs. The EUSART can be configured for LIN 2.x slave communication when paired with a LIN transceiver like the Microchip MCP2003B. Note that AEC-Q100 grade variants may be required for OEM-qualified designs.
Recommended
USB HID and Human Interface Devices
The PIC16F1519T-I/MV is suitable for USB HID devices like custom keyboards, presentation clickers, and HID-class game controllers when paired with the Microchip MCP2221A USB-to-UART/I2C bridge, or for designs where a separate USB PHY is integrated. The 28KB Flash comfortably holds HID report descriptors plus user-configurable macros, and the MI2C/SPI peripherals can drive RGB lighting effects via WS2812 or APA102 chains through DMA-style bit-banging.
Recommended
Home Automation and Lighting Control
The PIC16F1519T-I/MV fits home automation hubs and lighting controllers because the EUSART + MI2C + SPI set can simultaneously drive a wireless transceiver (Sub-GHz, BLE, or LoRa), an RGBW LED driver via I2C, and a touch keypad via SPI. The 40-pin UQFN 5x5 mm footprint supports compact in-fixture designs, and the 2 CCP modules deliver two independent 10-bit PWM channels for tunable-white or RGB color mixing. The -40C to +85C range covers outdoor fixture temperatures.
Recommended
Low-Power Wireless Protocol Bridging
The PIC16F1519T-I/MV bridges wireless protocols in low-power gateways because its nanoWatt XLP sleep currents and 1.8-5.5V range allow multi-year battery operation in BLE-to-Sub-GHz bridges, BLE-to-Zigbee coordinators, and LoRa-to-Wi-Fi relay nodes. The 20 MHz CPU and 28KB Flash can host a small packet router, while the UART/SPI interfaces connect simultaneously to a BLE module (like the RN4870) and a LoRa module (like the RN2483).
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1519T-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1519-I/MV | PIC16F1518-I/MV | PIC16F1516T-I/MV |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-UQFN (MV) 5x5 mm | 40-UQFN (MV) 5x5 mm - same | 40-UQFN (MV) 5x5 mm - same | 40-UQFN (MV) 5x5 mm - same |
| Program Memory (Flash) | 28 KB | 28 KB | 28 KB | 28 KB |
| RAM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 1.8-5.5V (2.3-5.5V Flash) | 1.8-5.5V (2.3-5.5V Flash) | 1.8-5.5V (2.3-5.5V Flash) | 1.8-5.5V (2.3-5.5V Flash) |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit |
| CCP Modules | 2 | 2 | 2 | 2 |
| Shipping Carrier | Tape & Reel (T) | Tray (no T) | Tray (no T) | Tape & Reel (T) |
Key Differentiators
- Highest Flash density in the PIC16F151x 40-UQFN family (vs PIC16F1518-I/MV)
- nanoWatt XLP technology for sub-uA sleep current (vs PIC16F1509T-I/ML)
- Tape-and-reel (T) packaging variant for SMT production (vs PIC16F1519-I/MV (tray))
Design Notes
The 40-pin UQFN (MV) package has a central exposed thermal pad (EP) that MUST be soldered to a VSS ground pour with at least 8 thermal vias (0.3 mm drill, 0.6 mm pitch) for mechanical reliability and thermal dissipation. Per Microchip UQFN soldering guidelines, skip-via or thermal-relief-only vias reduce solder joint strength; full thermal vias are recommended.
Place one 100 nF 0402 ceramic decoupling capacitor within 2 mm of each VDD pin (pins 10, 20, 30) and one bulk 4.7-10 uF ceramic or low-ESR tantalum on the main supply rail. Per PIC16F1519 datasheet section on electrical characteristics, VDD rise time must be monotonic and faster than 300 ms to avoid POR mis-trigger; if your power source has slow ramp (RC charging), add a power-on-reset supervisor like MCP130.
ICSPCLK (RB6) and ICSPDAT (RB7) must be left disconnected from any external circuitry that could drive them during programming - pull-ups, push-pull drivers, or shared buses can prevent ICSP from working in-circuit. Per Microchip ICSP application notes, use 4.7 kohm weak pull-ups to VDD only, and never share ICSPCLK/ICSPDAT with SPI CS lines without proper isolation.
Keep analog inputs (AN0-AN13) routed away from digital switching lines (PWM, oscillator) with a guard ground between them. The PIC16F1519 10-bit ADC achieves best ENOB with an RC anti-alias filter (typically 1 kohm + 1 nF = 1.6 kHz cutoff) at the analog pin, and with the ADC clock at Fosc/16 or slower. Per Microchip ADC design tips, ground the ADC VREF+ pin through a 10 uF + 100 nF pair if external reference is used.
The internal 16 MHz HFINTOSC has a typical ±1% accuracy over voltage and temperature per Microchip datasheet, which is fine for UART up to 115200 baud at 3.3V; for higher baud rates or LIN bus timing accuracy, switch to the 20 MHz external crystal on OSC1/OSC2 (RA7/RA6) with 22 pF load capacitors. The PLL on PIC16F151x is not available - 20 MHz Fosc is the maximum per the datasheet electrical table.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - the standard PIC16F1519 is industrial-grade only; automotive OEM programs require AEC-Q100 grade variants if available in the family.
