PIC16F1519-I/MV - 8-Bit 20MHz MCU, 28KB Flash, 40-UQFN | Microchip
MPN: PIC16F1519-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.93 | $2.93 |
| 10 | $2.71 | $27.10 |
| 100 | $2.39 | $239.00 |
| 500 | $2.14 | $1,070.00 |
| 1,000 | $1.92 | $1,920.00 |
PIC16F1519-I/MV Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The PIC16F1519 belongs to Microchip's PIC16F mid-range family, sitting between 8-bit MCUs and 16-bit/32-bit MCUs in the embedded control taxonomy (MCU -> 8-bit MCU -> PIC16 -> PIC16F mid-range -> enhanced mid-range core). It targets applications requiring low power consumption, generous analog integration, and easy in-system reprogrammability.
Key features include 28KB self-programmable Flash, 1024B SRAM, 256B EEPROM, a 10-bit ADC with up to 28 channels, two analog comparators, an 8-bit DAC, multiple 8/16-bit timers, and serial peripherals including I2C, SPI, and EUSART. The XLP nanoWatt technology drives active current down to approximately 50 uA/MHz and sleep current below 50 nA typical with RTC, enabling battery-powered designs.
The device uses an enhanced mid-range 8-bit RISC core with 49 instructions and a 16-level hardware stack. The internal 16 MHz oscillator (with PLL) and a 31 kHz low-power oscillator allow flexible clocking for active-run vs deep-sleep power optimization. ICSP (In-Circuit Serial Programming) and the standard 4-wire programming/debug interface are supported, making the part compatible with MPLAB X IDE, XC8 compilers, and PICkit/Snap/MPLAB ICD debuggers.
Typical applications include IoT sensor nodes, home-automation and white-goods user-interface panels, battery-powered measurement instruments, industrial-control auxiliary logic, low-end motor-driver sequencers, and consumer electronics that need reliable 8-bit control with strong analog and low-power characteristics. The 40-UQFN package provides a compact footprint for space-constrained designs.
When designing with this MCU, allocate PCB area for the decoupling capacitor cluster (0.1 uF on each VDD pin plus bulk), expose the ICSPDAT/ICSPCLK pins for programming access, and verify that unused I/O pins are configured as outputs or inputs-with-pull-up to minimize sleep current. The internal oscillator trim register (OSCTUNE) should be left at factory default unless runtime frequency tuning is needed.
Drop-in alternatives for PIC16F1519-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 PIC16F1519-I/MV (same form factor and footprint) — differing in Package, I/O Pins, ADC, Low-Power Technology, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1519T-I/MV
✅ Drop-In✓ In Stock
$1.74 / Unit
View Datasheet →PIC16F1519-E/MV
✅ Drop-In✓ In Stock
$1.96 / Unit
View Datasheet →PIC16F1518-I/MV
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1512-I/MV
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.99 / Unit
View Datasheet →PIC16F1516-I/MV
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.69 / Unit
View Datasheet →PIC16F1519T-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1519-I/MV Maximum Ratings & Electrical Characteristics
| Core Processor | PIC |
| Core Size | 8-Bit |
| Core Architecture | Enhanced Mid-Range (nanoWatt XLP) |
| CPU Speed | 20 MHz |
| Program Memory Type | Flash |
| Program Memory Size | 28 KB (16K x 14 words) |
| RAM Size | 1024 B |
| EEPROM Size | 256 B |
| ADC | 10-bit, up to 28 channels |
| Analog Comparators | 2 |
| DAC | 8-bit |
| Timers | Multiple 8/16-bit timers |
| Connectivity | I2C, SPI, EUSART (LIN-capable) |
| I/O Pins | Up to 36 |
| Supply Voltage | 1.8 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| Package | 40-pin UQFN (5x5 mm) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| Low-Power Sleep Current | Typical <50 nA with RTC |
PIC16F1519-I/MV Pin Configuration
| Pin 1 | MCLR/VPP/RE3 — Master Clear (reset) input / programming voltage / digital I/O |
| Pin 2 | RA0 — Digital I/O / AN0 |
| Pin 3 | RA1 — Digital I/O / AN1 |
| Pin 4 | RA2 — Digital I/O / AN2 |
| Pin 5 | RA3 — Digital I/O / AN3 |
| Pin 6 | RA4 — Digital I/O / AN4 |
| Pin 7 | RA5 — Digital I/O / AN5 |
| Pin 8 | RE0 — Digital I/O / AN21 |
| Pin 9 | RE1 — Digital I/O / AN22 |
| Pin 10 | RE2 — Digital I/O / AN23 |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | VSS — Ground reference |
| Pin 13 | RA7 — Digital I/O / AN7 |
| Pin 14 | RA6 — Digital I/O / AN6 |
| Pin 15 | RC0 — Digital I/O |
| Pin 16 | RC1 — Digital I/O |
| Pin 17 | RC2 — Digital I/O / AN14 |
| Pin 18 | RC3 — Digital I/O / AN15 |
| Pin 19 | RC4 — Digital I/O |
| Pin 20 | RC5 — Digital I/O |
| Pin 21 | RC6 — Digital I/O / TX/CK |
| Pin 22 | RC7 — Digital I/O / RX/DT |
| Pin 23 | RD0 — Digital I/O |
| Pin 24 | RD1 — Digital I/O |
| Pin 25 | RD2 — Digital I/O |
| Pin 26 | RD3 — Digital I/O |
| Pin 27 | RD4 — Digital I/O |
| Pin 28 | VDD — Positive supply voltage |
| Pin 29 | VSS — Ground reference |
| Pin 30 | RB0 — Digital I/O / interrupt-on-change |
| Pin 31 | RB1 — Digital I/O / interrupt-on-change |
| Pin 32 | RB2 — Digital I/O / interrupt-on-change |
| Pin 33 | RB3 — Digital I/O / interrupt-on-change |
| Pin 34 | RB4 — Digital I/O / interrupt-on-change |
| Pin 35 | RB5 — Digital I/O / interrupt-on-change |
| Pin 36 | RB6 — Digital I/O / ICSPCLK |
| Pin 37 | RB7 — Digital I/O / ICSPDAT |
| Pin 38 | VDD — Positive supply voltage |
| Pin 39 | VSS — Ground reference |
| Pin 40 | RD7 — Digital I/O |
| Pin 41 | RD6 — Digital I/O |
| Pin 42 | RD5 — Digital I/O |
| Pin 43 | NC — Not connected (per datasheet) |
| Pin 44 | EP — Exposed thermal pad (connect to VSS) |
Typical Applications
PIC16F1519-I/MV is suitable for 7 applications: IoT Wireless Sensor Nodes, Battery-Powered Measurement Instruments, Home-Automation User Interfaces, White-Goods and Appliance Control, Industrial Auxiliary Control Modules, Consumer Electronics Keypad/Remote Controllers, Low-End Motor-Driver Sequencer.
IoT Wireless Sensor Nodes
The PIC16F1519-I/MV fits IoT wireless sensor nodes because its nanoWatt XLP core delivers sub-50 nA sleep current with RTCC and a 1.8 V minimum supply, enabling multi-year coin-cell runtime. The 10-bit ADC with up to 28 channels directly digitizes analog sensors (temperature, light, gas) without external muxes, and the EUSART/SPI interfaces connect to sub-GHz transceivers like the MRF89XA. Combined with 28KB Flash, designers can embed a small bootloader plus wireless stack fragments in firmware.
Recommended
Battery-Powered Measurement Instruments
The PIC16F1519-I/MV is ideal for handheld battery-powered instruments because its XLP sleep mode draws <50 nA with the 31 kHz auxiliary oscillator running, while active execution at 1 MHz consumes ~50 uA/MHz. The 28KB Flash holds calibration tables and measurement routines; the 256B EEPROM stores user-set parameters without external memory. The 1.8-5.5 V supply range accepts 2x AA alkaline, single-cell Li-ion, or USB-derived 3.3 V rails without level shifters.
Recommended
Home-Automation User Interfaces
For home-automation keypads, dimmers, and thermostat displays, the PIC16F1519-I/MV provides enough Flash (28KB) for multi-page UI state machines plus I2C/SPI master interfaces to EEPROM, OLED displays, and capacitive touch controllers. Its 5.5 V tolerance lets it directly drive LED segments and relay coils, while the XLP sleep mode keeps standby power below energy-star thresholds when the panel is idle.
Recommended
White-Goods and Appliance Control
The PIC16F1519-I/MV is well-suited to white-goods control boards (washing machines, dishwashers, ovens) where 28KB Flash stores sequencing logic for motor profiles, sensor fusion, and safety state machines. The 1.8-5.5 V supply directly interfaces 3.3 V digital sensors and 5 V relay drivers, while the 10-bit ADC reads thermistors and water-level sensors. The -40C to +85C industrial temperature grade handles under-cabinet thermal environments.
Recommended
Industrial Auxiliary Control Modules
The PIC16F1519-I/MV serves as an auxiliary MCU in industrial 24 V systems, handling sensor pre-processing, LED indicator driving, and comms bridging while a host PLC runs the main loop. The EUSART with LIN-bus capability supports automotive and industrial LIN sub-nets; the 1.8-5.5 V supply is tolerant of regulated 24 V->5 V rails. 28KB Flash allows Modbus or LIN command stacks to be embedded without external memory.
Recommended
Consumer Electronics Keypad/Remote Controllers
For TV remotes, A/V controllers, and small consumer accessories, the PIC16F1519-I/MV combines low cost (~USD 1.92 at qty 1000) with low standby drain and enough Flash for IR protocol libraries (RC5, NEC, SIRC). Its 1.8 V supply works with single-cell Li-ion coin batteries; the 10-bit ADC reads joystick pots or battery voltage; the 8-bit DAC can generate audio tones for click feedback. The UQFN-40 (5x5 mm) keeps the PCB footprint tiny.
Recommended
Low-End Motor-Driver Sequencer
The PIC16F1519-I/MV can act as a sequencer/co-processor for BLDC or stepper motor drivers, generating PWM and direction signals while handling safety interlocks (overcurrent, overtemperature, stall detection). The 10-bit ADC reads current-sense amplifiers, and the comparators implement hardware overcurrent protection independent of firmware timing. 28KB Flash is sufficient for trapezoidal or simple FOC control loops at modest speeds.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1519-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1519T-I/MV | PIC16F1519-E/MV | PIC16F1518-I/MV | PIC16F1516-I/MV |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-UQFN (5x5 mm) | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same | 40-UQFN (5x5 mm) - same |
| Program Memory (Flash) | 28 KB | 28 KB | 28 KB | 16 KB | 14 KB |
| RAM | 1024 B | 1024 B | 1024 B | 1024 B | 512 B |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
Key Differentiators
- Largest Flash in the UQFN-40 PIC16F151x family (vs PIC16F1518-I/MV)
- Extended temperature option without redesign (vs PIC16F1519-I/MV)
- Industrial-grade nanoWatt XLP for battery applications (vs PIC16F1516-I/MV)
Design Notes
Estimated: To maximize battery life on the PIC16F1519-I/MV, switch to the secondary 31 kHz oscillator (LFINTOSC) before issuing the SLEEP instruction, and gate any unused peripheral clocks via the PMD registers. With RTCC running from LFINTOSC, datasheet typical sleep current is under 50 nA, and active current is approximately 50 uA/MHz at 1.8 V. Disabling the ADC and comparators in sleep drops total quiescent draw an additional ~5 uA.
Place a 0.1 uF decoupling capacitor within 2 mm of each VDD pin (11, 28, 38) and a single 10 uF bulk capacitor near the package. Connect the UQFN-40 exposed thermal pad directly to the ground plane with at least 5 thermal vias to reduce die-to-ambient thermal resistance. Keep the ICSPDAT/ICSPCLK traces (RB6/RB7) short and isolated from switching signals to avoid programming glitches.
Do not leave unused I/O pins floating on the PIC16F1519-I/MV - configure them as outputs low or inputs with weak pull-ups to avoid parasitic current draw. Verify that the MCLR pin (pin 1) is pulled high through a 10 kohm resistor and has a 100 nF cap to ground for noise immunity; without this, the MCU can spontaneously reset near high-current loads. When migrating from /MV to /PT, double-check that the I/O count change (36 vs 40) does not break your firmware pin assignments.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC16F1519-E/MV with extended temperature grade for harsh-environment designs, or contact Microchip for automotive-grade PIC16F1519 variants.
