PIC12F519-I/MC - 8-Bit Flash MCU, 8MHz, 1.5KB | Microchip
Артикул: PIC12F519-I/MC ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $1.32 | $1,32 |
| 10 | $1.18 | $11,80 |
| 100 | $1.02 | $102,00 |
| 500 | $0.89 | $445,00 |
| 1.000 | $0.76 | $760,00 |
| 3.000 | $0.68 | $2.040,00 |
PIC12F519-I/MC Обзор
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path. Within the broader taxonomy it belongs to: microcontroller -> embedded microcontroller -> 8-bit microcontroller -> Flash-based MCU -> PIC12F family. Microcontrollers combine a CPU, non-volatile program memory, RAM, and peripherals on a single die, allowing them to replace discrete logic in cost-sensitive embedded applications. The PIC12F519 is optimized for pin- and code-efficient control tasks in consumer, industrial, and appliance products.
Key features include an internal 8 MHz oscillator with 4x PLL option, 41-byte data RAM, a 8-bit timer (TMR0) with 8-bit programmable prescaler, a watchdog timer with on-chip RC oscillator, an analog comparator, and a wide 2.0V to 5.5V operating supply range. The device also supports in-circuit serial programming (ICSP) via GP0 and GP1, allowing firmware updates after PCB assembly.
The PIC12F519 uses a Harvard-class RISC architecture with separate program and data buses, allowing instruction fetch and operand access in the same cycle. Its CMOS design with nanoWatt technology minimizes active and sleep-mode current, suiting battery-powered applications where quiescent draw is critical.
Typical applications include LED lighting controllers, battery chargers, remote-control transmitters, smart sensors, small appliance controls, and low-pin-count IoT edge nodes. The wide voltage range (2.0V to 5.5V) and integrated peripherals let designers build complete products with minimal external components.
When designing with this device, allocate at least two pins (GP0 and GP1) for ICSP if you plan in-field firmware updates. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin. For low-power applications, use the sleep mode and watchdog timer to achieve quiescent currents below 1 uA.
This page synthesizes distributor pricing, drop-in alternatives from the PIC12 family, application guidance, and design considerations not found in the manufacturer datasheet alone, helping engineers select the right 8-bit MCU for compact embedded designs.
Аналоги без доработки для PIC12F519-I/MC — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC12F519-I/MC (тот же форм-фактор и посадочное место) — отличается по Package, Internal Oscillator, Timers, Watchdog Timer, I/O Pins.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC12F510-I/MC
✅ Прямая замена✓ В наличии
$0.78 / шт.
Открыть даташит →PIC12F509-I/MC
✅ Прямая замена✓ В наличии
$0.55 / шт.
Открыть даташит →PIC12F508-I/MC
✅ Прямая замена✓ В наличии
$0.47 / шт.
Открыть даташит →PIC12F519-E/MC
✅ Прямая замена✓ В наличии
$0.64 / шт.
Открыть даташит →PIC12F519T-I/MC
✅ Прямая замена✓ В наличии
$0.74 / шт.
Открыть даташит →PIC12F519-I/MC Максимальные параметры и электрические характеристики
| Core Processor | PIC |
| Core Size | 8-Bit |
| Program Memory Type | Flash |
| Program Memory Size | 1.5 KB (1K x 12) |
| EEPROM Size | 64 x 8 (64 bytes) |
| Data RAM Size | 41 bytes |
| Maximum Clock Speed | 8 MHz |
| Supply Voltage Range | 2.0 V to 5.5 V |
| Number of I/O Pins | 6 |
| Number of Timers | 1 (8-bit TMR0 with prescaler) |
| Watchdog Timer | Yes (on-chip RC oscillator) |
| Analog Comparator | Yes (1x) |
| Internal Oscillator | Yes (4 MHz / 8 MHz with 4x PLL option) |
| ICSP (In-Circuit Serial Programming) | Yes (via GP0/GP1) |
| Рабочая температура | -40C to +85C (Industrial) |
| Корпус | 8-pin DFN (2x3 mm) with exposed pad |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
| Lead-Free | Yes |
Конфигурация выводов PIC12F519-I/MC
| Контакт 1 | GP5/OSC1/CLKIN — General-purpose I/O / oscillator input / external clock input |
| Контакт 2 | GP4/OSC2/CLKOUT — General-purpose I/O / oscillator output / clock output |
| Контакт 3 | GP3/MCLR/VPP — General-purpose I/O (input only) / master clear reset / programming voltage |
| Контакт 4 | GP2/AN2/T0CKI/INT/COUT — General-purpose I/O / analog input / TMR0 clock input / external interrupt / comparator output |
| Контакт 5 | GP1/CIN-/ICSPCLK — General-purpose I/O / comparator inverting input / ICSP clock |
| Контакт 6 | GP0/CIN+/ICSPDAT — General-purpose I/O / comparator non-inverting input / ICSP data |
| Контакт 7 | VSS — Ground reference |
| Контакт 8 | VDD — Positive supply voltage (2.0V to 5.5V) |
Типичное применение
PIC12F519-I/MC подходит для 7 применениеs: LED Lighting Controller, Battery Charger Controller, Remote Control Transmitter, Small Appliance Control, Smart Sensor Node, Hobbyist and Educational Projects, Automotive Interior Accessories.
LED Lighting Controller
The PIC12F519-I/MC fits LED lighting controllers by providing 6 general-purpose I/O pins, an 8 MHz internal oscillator, and a PWM-capable timer in a 2x3 mm DFN package. Its 1.5 KB Flash holds typical dimming profiles and color-mixing algorithms; the 2.0V-5.5V supply range lets it run directly from a 3.3V or 5V LED driver rail. The analog comparator enables current-sense feedback without an external op-amp, reducing BOM cost in compact MR16, candle, and strip-light designs.
Рекомендуется
Battery Charger Controller
The PIC12F519-I/MC is well suited as a battery charger state-machine controller. Its 1.5 KB Flash stores NiMH, Li-ion, or lead-acid charge profiles; the analog comparator monitors battery voltage via a resistor divider without an external ADC. The 2.0V minimum supply lets it run from a single Li-ion cell, and the nanoWatt sleep mode reduces quiescent draw below 1 uA when the charger is idle. The DFN-8 footprint enables integration into USB-style charger cubes and power banks.
Рекомендуется
Remote Control Transmitter
The PIC12F519-I/MC excels in IR/RF remote-control transmitters that demand low cost and tiny footprints. Six I/O pins drive 4-6 keypad buttons directly without a matrix, and the internal oscillator eliminates the external resonator, fitting a 2x3 mm DFN package. The 8 MIPS execution rate encodes standard RC5/RC6 or proprietary protocols in real time, and the 2.0V-5.5V supply lets the MCU run from a single CR2032 coin cell with sleep currents under 1 uA, extending battery life to multiple years.
Рекомендуется
Small Appliance Control
The PIC12F519-I/MC is widely deployed in small appliance controllers such as coffee makers, blenders, fans, and toasters. Its 1.5 KB Flash stores UI state machines and timing profiles; the TMR0 with prescaler generates accurate delays for heating-element control; and the watchdog timer recovers from ESD or brown-out events. The industrial -40C to +85C temperature rating meets kitchen and laundry environment demands, while the 2.0V-5.5V range supports both rectified mains-derived and battery backup supplies.
Рекомендуется
Smart Sensor Node
The PIC12F519-I/MC supports low-pin-count IoT sensor nodes by combining 6 I/O, an analog comparator for threshold detection, and ICSP for in-field firmware updates via the GP0/GP1 pins. The 1.5 KB Flash holds sensor linearization tables and threshold logic; the nanoWatt sleep mode and 1 uA typical quiescent current extend battery life in coin-cell-powered temperature, water-leak, or occupancy sensors. The 2x3 mm DFN package fits inside the sensor housing, eliminating the need for a separate MCU board.
Рекомендуется
Hobbyist and Educational Projects
The PIC12F519-I/MC is a popular choice for hobbyists and STEM education because of its low cost, breadboard-friendly DFN-8 breakout boards, and free MPLAB X IDE toolchain. The 1.5 KB Flash accommodates beginner projects such as blinking LEDs, PWM motor speed control, simple games, and sensor readers. The ICSP interface works with $30 PICkit 4 programmers, and the extensive Microchip application-note library provides ready-to-compile code examples for common tasks like servo control and analog sensing.
Рекомендуется
Automotive Interior Accessories
The PIC12F519-I/MC (Industrial grade) targets automotive interior accessories such as ambient lighting modules, seat-occupancy indicators, and trim illumination controllers. The 8 MHz internal oscillator, 6 GPIO, and 2.0V-5.5V supply tolerate 12V battery transients when paired with a TVS diode and LDO. For under-hood or AEC-Q100 environments, the PIC12F519-E/MC extended-temperature variant rated -40C to +125C is recommended. The 1.5 KB Flash holds CAN/LIN byte sequences or simple LIN slave protocols.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC12F519-I/MC — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC12F510-I/MC | PIC12F509-I/MC | PIC12F508-I/MC | PIC12F519-E/MC |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | DFN-8 (2x3 mm) | DFN-8 (2x3 mm) - same | DFN-8 (2x3 mm) - same | DFN-8 (2x3 mm) - same | DFN-8 (2x3 mm) - same |
| Program Memory (Flash) | 1.5 KB (1K x 12) | 0.75 KB | 1.0 KB | 0.75 KB | 1.5 KB |
| EEPROM | 64 bytes | None | None | None | 64 bytes |
| Maximum Clock Speed | 8 MHz | 8 MHz | 8 MHz | 8 MHz | 8 MHz |
| Operating Voltage | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V | 2.0V to 5.5V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) |
| Number of I/O Pins | 6 | 6 | 6 | 6 | 6 |
| AEC-Q100 Qualified | No (Industrial grade only) | No | No | No | No |
Ключевые отличия
- Highest program memory in the PIC12F5xx baseline family (против PIC12F510-I/MC)
- Integrated 64-byte EEPROM for non-volatile data storage (против PIC12F509-I/MC)
- Compact 2x3 mm DFN package maximizes PCB density (против PIC12F519-I/MS (MSOP-8))
- Industrial temperature range for harsh environments (против PIC12F519-E/MC (Extended temp))
Заметки по проектированию
Estimated: The PIC12F519-I/MC DFN-8 package has an exposed thermal pad that MUST be soldered to the PCB for mechanical reliability and thermal performance. Per Microchip DFN soldering guidelines, the pad should connect to a copper pour of at least 10 mm^2 on the top or bottom layer, with multiple thermal vias to the opposite plane. Insufficient thermal pad soldering is the #1 cause of field failures in DFN-packaged MCUs.
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 8) on every PIC12F519-I/MC board. For designs with sleep-mode operation, add a 10 uF bulk capacitor near the supply pin to handle wake-up transients. Per the Microchip datasheet, VDD rise time must be monotonic and faster than 300 ms to ensure proper Power-on Reset; add an external RC delay (10 kohm + 1 uF) on MCLR if the supply rise is slow.
GP3 is input-only on the PIC12F519-I/MC - it cannot be used as a digital output. Designers migrating from larger PICs often overlook this constraint. If you need 6 outputs (rather than 5 outputs + 1 input), choose the PIC12F510-I/MC or PIC12F509-I/MC, which share the same DFN-8 pinout but may offer different I/O capability. Also note that MCLR is enabled by default - disable it via the CONFIG register if not needed to free GP3 for digital input use.
The PIC12F519-I/MC ICSP interface uses GP0 (ICSPDAT) and GP1 (ICSPCLK) shared with general-purpose I/O. Per Microchip ICSP specification, isolate these pins from high-current or high-speed signals during programming by adding 100 ohm series resistors and ensuring no low-impedance load is connected. Adding a 2-pin ICSP header (or at least test pads) on the PCB enables in-field firmware updates without removing the MCU.
Информация о соответствии
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - the PIC12F519-I/MC is industrial grade (-40C to +85C); for AEC-Q100 qualified variants contact Microchip. Halogen-free status not explicitly stated in distributor listings.
