PIC16LF1769-I/SS - 8-Bit MCU, 14KB Flash, 32MHz XLP | Microchip
MPN: PIC16LF1769-I/SS ✓ Hoạt độngPIC16LF1769-I/SS Tóm tắt
An 8-bit microcontroller is a small, self-contained computer-on-a-chip built around a byte-wide data path, ROM/RAM, timers, ADC and digital peripherals. It belongs to the broader hierarchy of microcontroller -> embedded controller -> semiconductor IC. The PIC16F/LF176x family specifically targets applications that combine intelligent analog (10-bit ADC, op amps, zero-cross detect) with conventional digital I/O, eliminating the need for several external analog ICs in cost-sensitive and space-constrained products.
Key features of the PIC16LF1769-I/SS include 18 general-purpose I/O pins, a 10-bit A/D converter with multiple channels, configurable op-amp peripherals, high-current I/O capable of sourcing/sinking higher LED drive, an enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART), MSSP for SPI/I2C, multiple timers, and the nanoWatt XLP sleep mode. The integrated analog peripherals are the family’s primary differentiator: they reduce BOM cost by removing external op-amps and comparators from many sensor and signal-conditioning designs.
The device is fabricated on a CMOS process and uses Microchip’s enhanced mid-range 8-bit core with a hardware multiplier and a 14-bit instruction word. Operating at 1.8V to 3.6V and industrial temperature range (-40°C to +85°C), the LF1769 targets battery and energy-harvesting applications where the XLP technology provides deep-sleep currents below 1 µA while retaining RAM and peripheral state for instant wake-up.
Typical applications include LED lighting controllers, sensor signal conditioning, low-power IoT nodes, smart thermostats, remote controls, battery chargers, and small motor or fan controllers. The combination of 14KB Flash, 1KB RAM, and integrated op-amps makes it well suited to designs that previously required a microcontroller plus one or two external analog ICs.
When designing with the PIC16LF1769-I/SS, ensure the supply stays within the 1.8V–3.6V LF window, use decoupling capacitors close to VDD, and reserve I/O pins that share analog channels if the on-chip op-amps and ADC are used concurrently. Always validate the specific SSOP-20 pinout against the target board layout and the latest Microchip datasheet, as some package variants differ in I/O count.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to support faster design and sourcing decisions.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1769-I/SS — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LF1769-I/SS (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, DAC, ADC, Core Architecture.
PIC16F1769-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1769-E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1768-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1764-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1619-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1709-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1769-I/SS Tỷ lệ tối đa & tính chất điện
| Family | PIC® XLP™ 16F |
| Core | 8-bit PIC16 enhanced mid-range |
| CPU Speed | 32 MHz (max) |
| Program Memory | 14 KB Flash (8K x 14 words) |
| RAM | 1 KB |
| EEPROM | 128 bytes |
| I/O Pins | 18 |
| ADC | 10-bit |
| Hộp | 20-pin SSOP (5.30 mm body) |
| Operating Voltage (VDD) | 1.8 V to 3.6 V (LF variant) |
| Nhiệt độ hoạt động | -40 C to +85 C (industrial, -I) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 (unlimited floor life at <30 C / 85% RH) |
| Trạng thái RoHS | Compliant |
| Peripherals | EUSART, MSSP (SPI/I2C), Timers, Op-amps, Zero-Cross Detect |
Cấu hình chân PIC16LF1769-I/SS
| Chân 1 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Chân 2 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Chân 3 | RA2/AN2 — Digital I/O / Analog input channel 2 |
| Chân 4 | RA3/AN3 — Digital I/O / Analog input channel 3 |
| Chân 5 | RA4/AN4 — Digital I/O / Analog input channel 4 |
| Chân 6 | RA5/AN5 — Digital I/O / Analog input channel 5 |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RB0/INT — Digital I/O / External interrupt |
| Chân 9 | RB1 — Digital I/O |
| Chân 10 | RB2 — Digital I/O |
| Chân 11 | RB3 — Digital I/O |
| Chân 12 | RB4 — Digital I/O |
| Chân 13 | RB5 — Digital I/O |
| Chân 14 | RB6/ICSPCLK — Digital I/O / In-Circuit Serial Programming clock |
| Chân 15 | RB7/ICSPDAT — Digital I/O / In-Circuit Serial Programming data |
| Chân 16 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Chân 17 | RA6/AN6 — Digital I/O / Analog input channel 6 / Oscillator |
| Chân 18 | RA7/AN7 — Digital I/O / Analog input channel 7 / Oscillator |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage (1.8V to 3.6V) |
Ứng dụng tiêu biểu
PIC16LF1769-I/SS phù hợp cho 7 Áp dụngs: Battery-Powered IoT Sensor Node, LED Lighting Controller and Driver, Smart Thermostat and Home Sensor Hub, Industrial Sensor Signal Conditioning, Remote Control and Human-Interface Device, Small Motor and Fan Controller, Energy-Harvesting Wireless Switch.
Battery-Powered IoT Sensor Node
The PIC16LF1769-I/SS is well-matched to battery-powered IoT sensor nodes thanks to its 1.8V minimum supply, XLP nanoWatt sleep currents below 1 uA, and integrated 10-bit ADC. The 14KB Flash and 1KB RAM comfortably hold typical sensor-node firmware with a state machine plus periodic wake-measure-transmit cycles. The on-chip op-amps remove external analog conditioning for thermistor, photodiode or Wheatstone-bridge sensors, reducing BOM cost. At 32MHz CPU speed the device processes ADC samples and runs CRC-secured packet stacks in a few milliseconds before returning to deep sleep, extending coin-cell runtime to years. The 20-pin SSOP footprint is footprint-compatible with PIC16F1769-I/SS, allowing a 3.3V to 5V rail swap via firmware recompile without PCB rework.
Được đề xuất
LED Lighting Controller and Driver
LED lighting designs benefit from the PIC16LF1769-I/SS's high-current I/O pins, integrated op-amps and 10-bit ADC. The high-current I/O can source/sink LEDs directly, eliminating driver transistors in low- to mid-power fixtures. The op-amp peripherals close the loop on current sensing or photodiode feedback for constant-lumen or daylight-harvesting control, while the 10-bit ADC monitors supply and LED current. PWM-capable timers drive dimming and color-temperature mixing with smooth 10-bit resolution. The 1.8V to 3.6V supply lets the MCU run directly from a single-cell lithium or two-AA battery in portable lighting. Industrial temperature grade (-40C to +85C) supports outdoor and automotive-interior lighting where ambient swings are wide.
Được đề xuất
Smart Thermostat and Home Sensor Hub
The PIC16LF1769-I/SS serves as the local controller in smart thermostats and home sensor hubs, where its integrated op-amps condition thermistor, humidity and occupancy sensor signals without external analog ICs. The 14KB Flash holds the application state machine plus calibration tables, while the 128-byte EEPROM stores user setpoints that survive power cycles. The EUSART and MSSP peripherals connect to Wi-Fi/BLE co-processors over UART or SPI, and the 10-bit ADC reads multiple analog sensors on a time-multiplexed schedule. The 1.8V to 3.6V supply lets the board run from 2x AA or CR2032 cells with a simple boost/LDO, and XLP deep-sleep modes extend battery life when the HVAC relay is idle.
Được đề xuất
Industrial Sensor Signal Conditioning
Industrial 4-20mA loop transmitters, RTD conditioners and bridge-sensor front-ends benefit from the PIC16LF1769-I/SS's integrated op-amps, zero-cross detect and 10-bit ADC. The op-amps implement instrumentation-amp topologies for strain-gauge or load-cell excitation, while the zero-cross detect simplifies AC-line-synchronized switching in motor and solenoid drives. The 14KB Flash holds linearization tables and Modbus RTU stacks for field-bus reporting, and the EUSART provides the RS-485/RS-232 physical interface. Industrial temperature grade (-40C to +85C) and SSOP-20 footprint suit DIN-rail transmitter modules. The 1.8V minimum supply is compatible with 3.3V regulated rails typical of industrial designs.
Được đề xuất
Remote Control and Human-Interface Device
The PIC16LF1769-I/SS fits battery-powered remote controls, key fobs and small HMI boards where low standby current, integrated op-amps and small footprint matter most. The op-amps condition capacitive-touch or piezo-electric inputs without dedicated touch ICs, while high-current I/O can drive status LEDs and IR emitters directly. The 1.8V to 3.6V supply lets the device run from a CR2032 coin cell for years thanks to XLP sleep modes. The 14KB Flash holds IR protocol stacks (RC5, NEC, SIRC) or BLE HCI command firmware. The 20-pin SSOP package is hand-solderable for prototypes while still meeting volume-production SMT requirements.
Được đề xuất
Small Motor and Fan Controller
Small DC, stepper or BLDC motor and fan controllers use the PIC16LF1769-I/SS as the low-cost digital brain with integrated analog feedback. The op-amps implement back-EMF sensing, current sensing and overcurrent protection; the 10-bit ADC reads tachometer, supply and temperature; and the zero-cross detect simplifies AC-line-commutated control. PWM timers generate drive waveforms up to the 32MHz peripheral clock, while high-current I/O sink/source gates for low-side drivers or small FETs directly. The 14KB Flash accommodates sensorless commutation algorithms, and the 1.8V to 3.6V range allows direct operation from 2x AA or single-cell Li-Ion packs. Industrial temperature grade handles under-hood and outdoor-fan environments.
Được đề xuất
Energy-Harvesting Wireless Switch
Energy-harvesting wireless light switches, door sensors and asset trackers leverage the PIC16LF1769-I/SS's deep-sleep currents under 1 uA and instant wake-up from retained RAM/peripheral state. The 1.8V minimum supply lets the device start up directly from a single photovoltaic cell or piezo harvest element through a small energy reservoir. The 14KB Flash supports simple RF protocols (BLE beaconing, LoRaWAN activation, proprietary sub-GHz), while 128-byte EEPROM stores node identity and calibration. The integrated op-amps condition harvest-source voltage for MPPT, and the 10-bit ADC reads sensor and supply voltages without external analog ICs. Industrial temperature grade supports outdoor deployment.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1769-I/SS — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F1769-I/SS | PIC16LF1769-E/SS | PIC16LF1768-I/SS | PIC16LF1764-I/P | PIC16LF1619-I/SS |
|---|---|---|---|---|---|---|
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP family footprint | 20-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Voltage (VDD) | 1.8V to 3.6V (LF) | 2.3V to 5.5V (F) | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Source | Primary (this product) | web_data | web_data | web_data | web_data | web_data |
Bảo phân biệt quan trọng
- Lowest supply voltage in the 20-SSOP PIC16F176x family (vsPIC16F1769-I/SS)
- Integrated op-amps remove external analog ICs (vsPIC16LF1768-I/SS)
- Extended-temperature option with same die (vsPIC16LF1769-I/SS (industrial))
Ghi chú thiết kế
Estimated: at VDD=3.3V and CPU=32MHz active, the LF1769 typically draws ~2 mA. In deep sleep with peripherals disabled, XLP modes drop quiescent current below 1 uA. Place a 100 nF decoupling capacitor within 3 mm of each VDD pin and a bulk 10 uF near the MCU. For battery-only designs, disable unused peripherals via firmware before sleep and use the ADC's internal voltage reference to keep the BOM small.
Route ICSPCLK/ICSPDAT (RB6/RB7) traces as short as possible to a 6-pin ICSP header so firmware can be updated in-circuit. Keep analog traces (ANx pins) away from RB6/RB7 switching and PWM outputs to avoid ADC coupling. The 20-pin SSOP (0.65 mm pitch) is hand-solderable but requires a fine-tip iron; for volume production use a stencil and reflow profile consistent with JEDEC J-STD-020 for MSL 1 packages.
Do not power the LF1769 from a 5V rail - the LF supply window is 1.8V to 3.6V, and exceeding 3.6V will damage the part. For 5V systems, use PIC16F1769-I/SS or place a 3.3V regulator upstream. Watch analog-pin function conflicts: when the on-chip op-amps are enabled, the corresponding ANx pins are reclaimed by the op-amp outputs. Finally, verify the configuration bits in code to enable the internal oscillator before relying on timing-critical peripherals.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page; lead-free matte-tin finish; halogen-free mold compound; not AEC-Q100 qualified (industrial grade only).
