PIC16F1779-E/PT - 8-Bit 32MHz 28KB Flash MCU | Microchip
料号： PIC16F1779-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.36 | $3.36 |
| 10 | $3.02 | $30.20 |
| 100 | $2.69 | $269.00 |
| 500 | $2.36 | $1,180.00 |
| 1,000 | $2.03 | $2,030.00 |
PIC16F1779-E/PT 概述
A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash/RAM/EEPROM), and programmable peripherals on a single silicon die. The PIC16F1779 belongs to the PIC16F177x sub-family, which integrates "Intelligent Analog" peripherals such as operational amplifiers, comparators, zero-cross detectors (ZCD), programmable ramp generators (PRG), and high-resolution PWM (HRPWM). These features target lighting, power supplies, battery charging, motor control, and general-purpose applications.
Key features of the PIC16F1779 include 28KB Flash, 2KB RAM, 10-bit ADC with computation, multiple communication interfaces (I2C, LINbus, SPI, UART/USART), and Microchip's eXtreme Low Power (XLP) technology for battery-powered designs. The 44-TQFP package provides 36 programmable I/O pins with multiple peripheral pin-select (PPS) options for flexible PCB routing.
Architecturally, the device uses an 8-bit RISC-based PIC core with a 14-bit instruction word, enabling deterministic execution and efficient C-compiled code. Internal peripherals include hardware PWMs, op-amps, comparators, DACs, and a Complementary Output Generator (COG) useful for advanced motor drive and LED lighting topologies.
Typical uses include LED lighting drivers with dimming and color-mixing, switched-mode power supply (SMPS) digital controllers, battery chargers with constant-current/voltage regulation, BLDC and stepper motor control, and general-purpose embedded control where integrated analog reduces BOM.
Design tip: For wide VIN designs, place a 100nF decoupling capacitor close to each VDD pin and use a 10uF bulk capacitor on the supply rail. The PPS (Peripheral Pin Select) feature allows remapping of digital peripherals to different I/O pins, but analog peripherals remain pin-fixed per the datasheet.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers select the right MCU variant for their application.
直接替换替代料： PIC16F1779-E/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16F1779-E/PT （相同外形与封装尺寸） ——差异在于 Package, Program Memory (Flash), Core Architecture, ADC, I/O Pins.
快速对比工具——选择替代料号进行并排对比：
PIC16F1779-I/PT
✅ 直接替换✓ 有现货
$1.92 / 个
查看数据手册 →PIC16F1778-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC16F1773-E/SO
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.99 / 个
查看数据手册 →PIC16F1769-E/P
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.62 / 个
查看数据手册 →PIC16F1719-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.55 / 个
查看数据手册 →PIC16F1779-E/PT 最大额定值与电气特性
| Core Processor | PIC |
| Core Size | 8-Bit |
| Core Series | PIC XLP 16F |
| Speed (CPU Clock) | 32 MHz |
| Program Memory (Flash) | 28 KB (16K x 14) |
| RAM | 2 KB |
| Number of I/O | 36 |
| ADC | 10-bit |
| Connectivity | I2C, LINbus, SPI, UART/USART |
| Operating Voltage | 2.5V / 3.3V / 5V |
| 封装 | 44-TQFP (10x10 mm) |
| 工作温度 | -40C to +125C (extended, "E" grade) |
| 安装类型 | Surface Mount |
| Lead-Free / RoHS | Lead-Free / RoHS Compliant |
PIC16F1779-E/PT 引脚配置
| 引脚 1 | RA0/AN0/C1IN0-/C2IN0-/DAC1OUT1/OPA1IN3+ — Analog I/O / Comparator input / DAC output / Op-Amp input |
| 引脚 2 | RA1/AN1/C1IN1-/C2IN1-/DAC1OUT2/OPA1OUT — Analog I/O / Comparator / DAC / Op-Amp output |
| 引脚 3 | RA2/AN2/C1IN0+/C2IN0+/DAC1REF+/OPA1IN0- — Analog I/O / Comparator / DAC reference |
| 引脚 4 | RA3/AN3/C1IN1+/VREF+/OPA1IN0+ — Analog I/O / VREF+ reference |
| 引脚 5 | RA4/AN4/C1OUT/T0CKI/PSA/OPA1IN1- — Analog I/O / Comparator output / Timer0 clock |
| 引脚 6 | RA5/AN5/DAC2OUT2/OPA1IN1+ — Analog I/O / DAC output / Op-Amp input |
| 引脚 7 | RA6/AN6/OPA2OUT — Analog I/O / Op-Amp 2 output |
| 引脚 8 | RA7/AN7/OPA2IN0- — Analog I/O / Op-Amp 2 input |
| 引脚 9 | VSS — Ground |
| 引脚 10 | RA8/AN8/OPA2IN0+/SS14 — Analog I/O / Op-Amp 2 input |
| 引脚 11 | RA9/AN9/DAC3OUT2/OPA2IN1- — Analog I/O / DAC / Op-Amp input |
| 引脚 12 | RA10/AN10/DAC4REF+/OPA2IN1+ — Analog I/O / DAC reference |
| 引脚 13 | RA11/AN11/DAC5OUT2/OPA3OUT — Analog I/O / DAC / Op-Amp 3 output |
| 引脚 14 | RA12/AN12/OPA3IN0- — Analog I/O / Op-Amp 3 input |
| 引脚 15 | RA13/AN13/OPA3IN0+ — Analog I/O / Op-Amp 3 input |
| 引脚 16 | RA14/AN14/OPA3IN1-/DAC6REF+ — Analog I/O / DAC reference |
| 引脚 17 | RA15/AN15/OPA3IN1+ — Analog I/O / Op-Amp 3 input |
| 引脚 18 | VDD — Positive supply voltage |
| 引脚 19 | VSS — Ground |
| 引脚 20 | RB0/AN16/C2IN2-/ZCD1/SCL1 — I/O / ZCD / I2C clock (PPS) |
| 引脚 21 | RB1/AN17/C1IN3-/ZCD2/SDA1 — I/O / ZCD / I2C data (PPS) |
| 引脚 22 | RB2/AN18/C2IN3-/COG1FLT/OPA1 — I/O / COG fault / Op-Amp |
| 引脚 23 | RB3/AN19/C1IN2-/COG2FLT/OPA2 — I/O / COG fault / Op-Amp |
| 引脚 24 | RB4/AN20/COG3FLT — I/O / COG fault |
| 引脚 25 | RB5/AN21/COG1OUT/CCP3 — I/O / COG output / CCP3 |
| 引脚 26 | RB6/AN22/COG2OUT/CCP4 — I/O / COG output / CCP4 |
| 引脚 27 | RB7/AN23/COG3OUT/CCP5 — I/O / COG output / CCP5 |
| 引脚 28 | VDD — Positive supply voltage |
| 引脚 29 | VSS — Ground |
| 引脚 30 | RC0/T1CKI/CCP8/PRG1RP — I/O / Timer1 clock / PRG ramp |
| 引脚 31 | RC1/CCP9/PRG1RN — I/O / PRG ramp negative |
| 引脚 32 | RC2/CCP10/PRG1RP — I/O / PRG ramp positive |
| 引脚 33 | RC3/SCK1/SCL2/CCP2 — I/O / SPI clock / I2C clock |
| 引脚 34 | RC4/SDI1/SDA2 — I/O / SPI data in / I2C data |
| 引脚 35 | RC5/SDO1 — I/O / SPI data out |
| 引脚 36 | RC6/TX1/CK1/CCP1 — I/O / UART TX / CCP1 |
| 引脚 37 | RC7/RX1/DT1 — I/O / UART RX |
| 引脚 38 | RD0/CCP3/SCK2 — I/O / SPI clock 2 |
| 引脚 39 | RD1/CCP4/SDI2 — I/O / SPI data in 2 |
| 引脚 40 | RD2/CCP5/SDO2 — I/O / SPI data out 2 |
| 引脚 41 | RD3/CCP6/TX2 — I/O / UART TX 2 |
| 引脚 42 | RD4/CCP7/RX2 — I/O / UART RX 2 |
| 引脚 43 | MCLR/VPP/RE3 — Reset / Programming voltage / I/O |
| 引脚 44 | ICSPCLK/PGC — In-Circuit Serial Programming clock |
典型应用
PIC16F1779-E/PT 适用于 7 应用s: LED Lighting with Dimming and Color Mixing, Switched-Mode Power Supply (SMPS) Digital Controller, BLDC and Stepper Motor Control, Battery Charging and Power Management, Industrial Control and Factory Automation, IoT Sensor Nodes and Wireless Modules, Automotive Body and Lighting Controllers.
LED Lighting with Dimming and Color Mixing
The PIC16F1779-E/PT's integrated 10-bit high-resolution PWM (up to 16-bit), Complementary Output Generator (COG), and programmable ramp generators (PRG) make it ideal for high-brightness LED drivers. With 28KB Flash it can handle complex dimming curves, RGB color-mixing algorithms, and DALI/Casambi protocols in commercial lighting. The 36 I/O pins easily drive multiple MOSFETs for high-current LED strings while maintaining sub-1uA sleep current for off-state efficiency, exceeding typical industrial LED controller requirements.
推荐
Switched-Mode Power Supply (SMPS) Digital Controller
The PIC16F1779-E/PT operates as a digital SMPS controller in AC/DC and DC/DC converters, using its high-speed 10-bit ADC, comparators, and programmable ramp generators (PRG) for peak-current-mode control. The 32MHz CPU and hardware PWM with adjustable dead-band control two complementary MOSFETs with nanosecond precision. With 28KB Flash, complex control loops including PFC (Power Factor Correction) and LLC resonant topologies fit entirely in firmware, replacing traditional analog UC3842-type controllers.
推荐
BLDC and Stepper Motor Control
For sensorless BLDC motor control, the PIC16F1779-E/PT integrates zero-cross detectors (ZCD), op-amps for current sensing, and the Complementary Output Generator (COG) for automatic commutation timing. The 32MHz CPU processes back-EMF zero-cross events at high RPM (10K+ RPM) while the 28KB Flash holds field-oriented control (FOC) or trapezoidal commutation algorithms. The 44-TQFP package provides 36 I/O pins for encoder feedback, Hall sensors, and three-phase gate drivers in compact motor drive designs.
推荐
Battery Charging and Power Management
The PIC16F1779-E/PT with XLP technology and 28KB Flash targets multi-chemistry battery chargers (Li-ion, NiMH, lead-acid) requiring constant-current/constant-voltage (CC/CV) profiles. Its integrated op-amps measure charge current and battery voltage, while the 10-bit ADC monitors cell temperature via NTC sensors. The nanoWatt sleep modes extend standby time on portable products, and the 2KB RAM holds real-time charging telemetry for Bluetooth-status reporting in wireless power banks.
推荐
Industrial Control and Factory Automation
In factory automation, the PIC16F1779-E/PT controls PLC-like I/O modules, sensor interfaces, and Modbus RTU communications over UART. Its 36 I/O pins drive relays, optocouplers, and 4-20mA loops, while the LINbus peripheral integrates with industrial sensor networks. With -40C to +125C extended temperature grade (E suffix), it operates reliably in harsh factory environments. 28KB Flash handles multi-protocol stacks including Modbus, CAN, and proprietary fieldbus communications.
推荐
IoT Sensor Nodes and Wireless Modules
The PIC16F1779-E/PT functions as the host MCU for IoT sensor hubs, communicating with Wi-Fi/BLE modules over UART/SPI and reading sensors via I2C. Its XLP nanoWatt technology enables years of battery life on coin cells, while 28KB Flash fits MQTT-SN, BLE beacon profiles, and sensor-fusion algorithms. The PPS (Peripheral Pin Select) feature allows flexible PCB routing of UART/SPI/I2C to multiple modules without pin remapping penalties.
推荐
Automotive Body and Lighting Controllers
While the PIC16F1779-E/PT is the industrial/extended grade variant, it is widely used in non-safety automotive body controllers (interior lighting, climate control, door modules). Its 32MHz CPU and CAN-ready peripherals support LIN/CAN bus communications. For AEC-Q100 qualified automotive grades, Microchip offers a separate -VAO suffix variant; the E grade's -40C to +125C range handles under-hood and cabin temperatures reliably. 28KB Flash fits complex RGB ambient lighting algorithms.
推荐
推荐产品汇总
工程参考数据： PIC16F1779-E/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC16F1779-I/PT | PIC16F1778-I/PT | PIC16F1719-I/PT | PIC16F1769-E/P | PIC16F1773-E/SO |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10mm) | 44-TQFP - same | 44-TQFP - same | 44-TQFP - same | 44-TQFP - same | 44-TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 28 KB | 28 KB | 16 KB | 28 KB | 16 KB | 16 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +125C |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Number of I/O | 36 | 36 | 36 | 36 | 36 | 36 |
| Connectivity | I2C, SPI, LINbus, UART | I2C, SPI, LINbus, UART | I2C, SPI, LINbus, UART | I2C, SPI, UART | I2C, SPI, LINbus, UART | I2C, SPI, UART |
关键差异点
- Largest Flash in PIC16F177x sub-family （对比 PIC16F1778-I/PT)
- Extended temperature grade (-40C to +125C) （对比 PIC16F1779-I/PT)
- Richest analog peripheral integration in PIC16F family （对比 PIC16F1719-I/PT)
设计说明
Place a 100nF decoupling capacitor as close as possible to each VDD pin (pins 18 and 28), and a 10uF bulk capacitor on the supply rail. According to Microchip datasheet DS40001826C, the PIC16F1779-E/PT has multiple VDD/VSS pairs that must each be decoupled for stable operation across the 2.5V-5.5V range. Adding a ferrite bead on the supply input helps reject high-frequency noise from switching regulators on the same board.
The 44-TQFP (10x10mm) has 0.8mm pitch leads. Use a 4-layer PCB with a continuous ground plane beneath the MCU for best EMI/EMC performance. According to Microchip datasheet DS40001826C, the MCLR pin (pin 43) requires a 10kohm pull-up to VDD and a 100nF cap to ground for proper reset behavior. For ICSP programming, leave PGC (pin 44) accessible or add test pads.
The PIC16F1779-E/PT PPS (Peripheral Pin Select) feature allows remapping of digital peripherals (UART, SPI, I2C) to most I/O pins, but analog peripherals (ADC, op-amps, comparators) remain pin-fixed per the datasheet. According to Microchip datasheet DS40001826C, when routing high-speed signals like SPI clocks, keep traces short (<25mm) and avoid running parallel to analog signals to minimize crosstalk.
In the 44-TQFP package, the PIC16F1779-E/PT typically dissipates under 100mW in normal operation, well within the package's thermal limits. According to Microchip datasheet DS40001826C, the theta_JA is approximately 50 C/W for the TQFP package on a 4-layer PCB. At maximum ambient (125C) and typical 50mW dissipation, the junction rises 2.5C - no heatsink required.
Do not apply voltage to any pin before VDD is powered; the PIC16F1779-E/PT has ESD protection but improper power sequencing can cause latch-up. According to Microchip datasheet DS40001826C, the ICSP programming pins (PGC/PGD) share function with general I/O and must be configured carefully to avoid conflicts. When using the on-chip op-amps, ensure feedback networks do not create parasitic oscillations above 1MHz.
合规信息
RoHS compliant per Microchip product page and DigiKey listing. The 'E' temperature grade (-40C to +125C) supports extended industrial and non-safety automotive applications, but is NOT AEC-Q100 qualified. For AEC-Q100 qualified automotive variants, request the -VAO suffix part from Microchip factory. Halogen-free status not explicitly stated in distributor data.