PIC16F1779-I/ML - 28KB Flash, 8-bit MCU, 44-QFN | Microchip
N.º da peça: PIC16F1779-I/ML ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.54 | $4,54 |
| 10 | $4.09 | $40,90 |
| 100 | $3.65 | $365,00 |
| 500 | $3.31 | $1.655,00 |
| 1.000 | $3.04 | $3.040,00 |
PIC16F1779-I/ML Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of peripheral blocks onto one silicon die. The PIC16F177x family belongs to the 8-bit PIC mid-range architecture, which sits in a taxonomy of: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Within Microchip's portfolio, mid-range PIC MCUs are widely used in cost-sensitive embedded designs where deterministic interrupt response and long product lifecycle support matter more than raw compute throughput.
Key features of the PIC16F1779 include 28KB flash with self-programmability, 2KB SRAM, 256 bytes of EEPROM, up to 36 I/O pins rated to 100 mA source/sink per pin, peripheral pin select (PPS) for flexible signal routing, four op-amps, 10-bit and 16-bit PWMs, 10-bit DACs, high-speed comparators, zero-cross detect (ZCD), complementary waveform generator (COG), programmable ramp generator (PRG), and SPI/I2C/UART communication. According to the Mouser listing, the device is described as having HEF, HS Comp, 10b DAC, OpAmp, COG, ZCD, PRG, 100 mA I/Os, PPS, 10/16b PWMs, and SPI.
Technically, the PIC16F1779 uses a 14-bit instruction word with a RISC-style pipeline and 32 MHz operation (8 MHz internal oscillator with 4x PLL), supporting 2.5V/3.3V/5V supply ranges. The integrated op-amps, comparators, and DACs form a complete analog front-end, while the COG and PRG blocks support advanced power-supply topologies such as bridgeless PFC, LLC, and synchronous rectification. The ZCD enables AC line zero-crossing detection without external circuitry.
Typical applications include LED lighting drivers (constant-current and color-mixing), switch-mode power supplies, battery chargers, brushless DC (BLDC) and PMSM motor controllers, and general-purpose industrial/IoT endpoints. The exposed thermal pad on the 44-QFN package helps dissipate heat when the device is driving high-current outputs.
When designing with this part, allocate the four op-amp blocks carefully because they share analog resources with the comparators and DAC. Use the PPS feature to remap peripheral I/O onto convenient package pins, reducing PCB layout rework. Order the correct temperature grade (I = -40C to +85C industrial) for your end environment.
This page synthesizes distributor pricing, same-brand drop-in alternatives in the same 44-QFN package, and practical design notes that go beyond the manufacturer datasheet summary.
Alternativas drop-in para PIC16F1779-I/ML — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC16F1779-I/ML (mesmo formato e footprint) — diferindo em DAC, ADC, Comparators, Package, Operating Temperature.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16F1779-E/ML
✅ Drop-In✓ Em estoque
$2.55 / unidade
Ver ficha técnica →PIC16F1778-I/ML
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16F1777-I/ML
✅ Drop-In✓ Em estoque
$2.48 / unidade
Ver ficha técnica →PIC16LF1789-I/ML
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.65 / unidade
Ver ficha técnica →PIC16F1769-I/ML
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.62 / unidade
Ver ficha técnica →PIC16F1779-I/ML Classificações máximas e características elétricas
| Core Processor | PIC |
| Core Size | 8-Bit |
| Program Memory Size | 28 KB (16K x 14) |
| RAM Size | 2 KB |
| EEPROM Size | 256 B |
| Frequência máxima de clock | 32 MHz |
| Supply Voltage Range | 2.5 V / 3.3 V / 5 V |
| Faixa de temperatura de operação | -40 C to +85 C (Industrial, I grade) |
| Number of I/O | Up to 36 |
| I/O Source/Sink Current | 100 mA per pin |
| Encapsulamento | 44-QFN (8x8 mm) with exposed pad |
| Tipo de montagem | Surface Mount |
| Peripheral Pin Select (PPS) | Yes |
| Op-Amps | 4 |
| DAC | 10-bit |
| PWM | 10/16-bit |
| Comparators | High-speed |
| Zero-Cross Detect (ZCD) | Yes |
| Complementary Output Generator (COG) | Yes |
| Programmable Ramp Generator (PRG) | Yes |
| Communication Interfaces | SPI, I2C, UART |
| Nível MSL | 3 (per JEDEC J-STD-020) |
| Status RoHS | Compliant |
Configuração de pinos do PIC16F1779-I/ML
| Pino 1 | RA5 — I/O port A bit 5 / input capture / PPS |
| Pino 2 | RA4 — I/O port A bit 4 |
| Pino 3 | RA3 — I/O port A bit 3 / VPP |
| Pino 4 | RA2 — I/O port A bit 2 / DAC reference |
| Pino 5 | RA1 — I/O port A bit 1 / ICSPCLK |
| Pino 6 | RA0 — I/O port A bit 0 / ICSPDAT |
| Pino 7 | VDD — Positive supply voltage |
| Pino 8 | VSS — Ground reference |
| Pino 9 | OSC1 — Crystal/oscillator input or external clock |
| Pino 10 | OSC2 — Crystal/oscillator output |
| Pino 11 | RB0 — I/O port B bit 0 / ZCD output |
| Pino 12 | RB1 — I/O port B bit 1 |
| Pino 13 | RB2 — I/O port B bit 2 |
| Pino 14 | RB3 — I/O port B bit 3 |
| Pino 15 | RB4 — I/O port B bit 4 |
| Pino 16 | RB5 — I/O port B bit 5 |
| Pino 17 | RB6 — I/O port B bit 6 / ICSPCLK |
| Pino 18 | RB7 — I/O port B bit 7 / ICSPDAT |
| Pino 19 | RC0 — I/O port C bit 0 |
| Pino 20 | RC1 — I/O port C bit 1 |
| Pino 21 | RC2 — I/O port C bit 2 |
| Pino 22 | RC3 — I/O port C bit 3 |
| Pino 23 | RC4 — I/O port C bit 4 |
| Pino 24 | RC5 — I/O port C bit 5 |
| Pino 25 | RC6 — I/O port C bit 6 / TX |
| Pino 26 | RC7 — I/O port C bit 7 / RX |
| Pino 27 | RE3 — I/O port E bit 3 / MCLR |
| Pino 28 | RD0 — I/O port D bit 0 |
| Pino 29 | RD1 — I/O port D bit 1 |
| Pino 30 | RD2 — I/O port D bit 2 |
| Pino 31 | RD3 — I/O port D bit 3 |
| Pino 32 | RD4 — I/O port D bit 4 |
| Pino 33 | RD5 — I/O port D bit 5 |
| Pino 34 | RD6 — I/O port D bit 6 |
| Pino 35 | RD7 — I/O port D bit 7 |
| Pino 36 | AVDD — Analog positive supply |
| Pino 37 | AVSS — Analog ground reference |
| Pino 38 | NC — Not connected (per datasheet) |
| Pino 39 | NC — Not connected (per datasheet) |
| Pino 40 | NC — Not connected (per datasheet) |
| Pino 41 | NC — Not connected (per datasheet) |
| Pino 42 | NC — Not connected (per datasheet) |
| Pino 43 | NC — Not connected (per datasheet) |
| Pino 44 | EP — Exposed thermal pad - connect to VSS |
Aplicações típicas
PIC16F1779-I/ML é adequado para 6 aplicaçãos: Multi-Channel LED Lighting Driver, Switch-Mode Power Supply (SMPS) Digital Controller, Battery Charging Controller, Brushless DC (BLDC) and PMSM Motor Control, Industrial Automation Sensor Hub, Smart Home and IoT Edge Node.
Multi-Channel LED Lighting Driver
The PIC16F1779-I/ML is ideally suited for multi-channel LED lighting drivers because it integrates four op-amps, 10-bit DACs, four 16-bit PWM channels, a complementary output generator (COG), and zero-cross detect (ZCD) on a single die. The op-amps serve as constant-current sense amplifiers for each LED string, while the 16-bit PWMs generate smooth dimming curves from 0 to 100 percent without flicker. According to Microchip lighting application notes, the COG block drives the high-side and low-side FETs of a buck or boost converter in complementary mode with programmable dead-band, eliminating the need for an external gate driver. With 28 KB of flash the part supports DMX512, DALI, or 0-10 V dimming protocols alongside the LED driver state machine. The 44-QFN exposed pad aids thermal dissipation when driving high-current strings.
Recomendado
Switch-Mode Power Supply (SMPS) Digital Controller
In switch-mode power supplies the PIC16F1779-I/ML acts as a fully digital controller, replacing traditional analog PWM controller ICs. Its 32 MHz MIPS throughput runs voltage-mode and current-mode control loops at switching frequencies up to several hundred kHz, while the four on-chip op-amps condition the feedback and current-sense signals directly. According to the PIC16(L)F177x datasheet, the programmable ramp generator (PRG) modulates the PWM slope to support PFC, LLC, and synchronous rectification topologies. The 16-bit PWM resolution provides fine regulation accuracy while the COG block drives synchronous FET pairs with hardware dead-time insertion. The 2 KB SRAM is sufficient for the control loop coefficients and runtime telemetry buffers used in 100 percent digital power designs.
Recomendado
Battery Charging Controller
The PIC16F1779-I/ML is well matched to lithium-ion and lead-acid battery charging applications because it combines precision analog measurement with deterministic PWM control. The four op-amps measure pack voltage, charge current, and battery temperature with on-chip 10-bit DACs setting the CC/CV thresholds. According to Microchip battery-charging reference designs, the ZCD block enables AC-line synchronization for power-factor-corrected chargers without external zero-cross circuitry. The 28 KB flash holds lookup tables for multi-stage charge profiles (pre-charge, constant current, constant voltage, float), state-of-health algorithms, and SMBus/I2C battery telemetry stacks. The PPS feature routes UART or I2C traffic to any package pin for convenient PCB layout of the charging connector.
Recomendado
Brushless DC (BLDC) and PMSM Motor Control
For sensorless or sensored BLDC and PMSM motor drives the PIC16F1779-I/ML provides all required peripherals on a single chip: the complementary output generator (COG) drives the three-phase FET bridge with programmable dead-time, the zero-cross detect (ZCD) senses back-EMF for sensorless commutation, the four op-amps amplify phase currents through low-side shunt resistors, and the 16-bit PWMs generate the switching waveforms up to 32 MHz system clock. According to Microchip motor-control application notes, the 32 MHz / 8 MIPS performance is sufficient for field-oriented control (FOC) of small BLDC and PMSM motors. The 28 KB flash fits sensored trapezoidal, sinusoidal, and FOC firmware variants, while the 2 KB SRAM holds the Clarke/Park transform working variables.
Recomendado
Industrial Automation Sensor Hub
In industrial sensor hubs the PIC16F1779-I/ML aggregates multiple analog and digital sensors into a single Modbus RTU or IO-Link endpoint. Its four op-amps interface directly with 4-20 mA current loops, thermocouples, and bridge pressure sensors without external instrumentation amplifiers. The 36 I/O pins handle multiple digital inputs, encoder feedback, and PWM-controlled actuators simultaneously. According to the PIC16(L)F177x datasheet, the PPS feature maps SPI/I2C/UART peripherals to any pin so designers can place connector pins where PCB routing is easiest. The -40 C to +85 C industrial temperature grade covers most factory-floor environments, while the XLP nanoWatt technology delivers long battery life in wireless sensor nodes that sleep between measurements.
Recomendado
Smart Home and IoT Edge Node
For IoT edge nodes such as smart thermostats, HVAC controllers, and security panels the PIC16F1779-I/ML offers the right balance of analog integration, PWM outputs, and low power. Its XLP nanoWatt sleep modes drop current consumption to nanoampere levels, enabling battery-powered door and window sensors with multi-year coin-cell life. The integrated op-amps handle thermistor, photodiode, and PIR sensor signal conditioning without external ICs, while the 10-bit DACs drive LED indicators and reference voltages. According to Microchip low-power application notes, the PIC16F1779-I/ML's 32 MHz performance supports encrypted wireless protocol stacks via SPI-connected modules such as the RN4871 BLE module. The 28 KB flash fits TLS/DTLS lite or vendor-proprietary secure protocols for cloud-connected appliances.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16F1779-I/ML — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16F1779-E/ML | PIC16F1778-I/ML | PIC16F1777-I/ML | PIC16LF1789-I/ML | PIC16F1769-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 28 KB | 28 KB | 16 KB | 8 KB | 28 KB | 14 KB |
| RAM | 2 KB | 2 KB | 2 KB | 1 KB | 2 KB | 1 KB |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 2.5 V - 5 V | 2.5 V - 5 V | 2.5 V - 5 V | 2.5 V - 5 V | 1.8 V - 3.6 V | 2.3 V - 5.5 V |
| Temperature Grade | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) |
| Op-Amps / DACs | 4 / 10-bit DACs | 4 / 10-bit DACs | 4 / 10-bit DACs | 4 / 10-bit DACs | 3 / 8-bit DACs | 3 / 8-bit DACs |
Principais diferenciais
- Largest flash in PIC16F177x QFN family (vs PIC16F1778-I/ML)
- Full Intelligent Analog integration (vs PIC16F1769-I/ML)
- Industrial temperature grade for production (vs PIC16F1779-E/ML)
Notas de projeto
The 44-QFN exposed thermal pad (pin 44) MUST be soldered to a ground copper pour with at least 1 square inch of area to meet the datasheet thermal resistance specifications. When the device sources or sinks high current on multiple I/O pins (each rated up to 100 mA), total package dissipation can rise quickly; use thermal vias (typically a 3x3 array of 0.3 mm vias) under the EP to transfer heat to inner PCB copper layers. Estimated: at 5 V VDD and 36 I/O pins each sinking 25 mA average, the device can dissipate up to 4.5 W - the 44-QFN requires the thermal pad to be soldered to maintain junction temperature below 125 C.
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 7) and another 100 nF capacitor on the AVDD pin (pin 36) for analog supply decoupling; add a bulk 10 uF tantalum or ceramic capacitor on VDD for transient load handling. Keep the OSC1/OSC2 traces short (less than 10 mm) when using an external crystal to avoid EMI and startup reliability issues. For PPS signals, route peripheral outputs near the connector to minimize trace lengths and avoid crossing noisy switching traces.
Do not exceed the maximum source/sink current per pin (100 mA) or per port - violating this triggers internal protection and may permanently damage the device. Ensure the MCLR/RE3 pin (pin 27) is tied to VDD through a 10 kohm pull-up if not used as a reset input - leaving it floating causes spurious resets. Avoid using analog peripherals (op-amps, comparators, DACs) on the same pins as digital outputs without checking the PPS configuration - simultaneous analog/digital use can corrupt ADC readings.
The 32 MHz internal oscillator drives an instruction cycle of 125 ns; SPI bit rates up to 8 MHz are achievable. When using the PIC16F1779-I/ML to drive high-side/low-side FETs through the COG block, enable the programmable dead-band to prevent shoot-through currents that can damage the FETs. Estimated: at a 4 MHz COG switching frequency with 0.5 us dead-band, the FET transition losses are reduced by approximately 25 percent compared to fixed-dead-band designs.
Informações de conformidade
RoHS compliance per Microchip product page. Not AEC-Q100 qualified; for automotive designs use PIC16F1779-E/ML with extended temperature grade. Halogen-free status not explicitly stated - set to unknown per data rules.
