PIC16LF1769-E/SS - 8-Bit XLP 32MHz MCU, 14KB Flash, 20-SSOP | Microchip
MPN: PIC16LF1769-E/SS ✓ Hoạt độngPIC16LF1769-E/SS Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (SRAM), and a rich set of programmable peripherals on one die. The PIC16 family uses Microchip's enhanced mid-range 8-bit RISC architecture, extending the classic PIC14 instruction set with hardware C-compiler support, deeper interrupt contexts, and a deterministic two-stage pipeline. Within the broader taxonomy, an MCU sits between a fixed-function ASIC and a microprocessor; it is the workhorse of embedded control where deterministic interrupt response and low power outweigh raw throughput.
Key features of the PIC16LF1769 include eXtreme Low Power (XLP) technology with multiple deep-sleep modes, an integrated op-amp, zero-cross detect, programmable High-Current I/O pins capable of direct LED drive, 10-bit ADC with computation (ADC2), 5-bit and 10-bit DAC, hardware PWM/Capture/Compare, and an on-chip configurable logic cell. The Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) and I2C/SPI peripherals support sensor and wireless module interfaces.
Architecturally, the PIC16LF1769 belongs to the PIC16F176x family of 14/20-pin intelligent-analog MCUs, fabricated on a low-leakage CMOS process. The internal 32 MHz oscillator can be paired with PLL-derived 32 kHz timebase, while the Power-Saving Sleep mode draws nano-amps yet preserves RAM and retains interrupt capability. Up to 18 I/O pins can be remapped to alternate peripheral functions, allowing PCB redesign without code rework.
Typical applications include IoT sensor nodes, LED lighting controllers, battery-powered medical wearables, consumer remote controls, automotive body and HVAC controls, and small appliances. The high-current I/O and integrated op-amp suit constant-current LED driving; the ADC2 with averaging and threshold compare simplifies sensor signal conditioning.
A common design pitfall is failing to populate the Vcap decoupling pin with the datasheet-specified capacitor value and ESR range - this collapses internal regulated core supply and causes erratic code execution. Always consult the Microchip PIC16F1769 datasheet electrical specifications section.
This page synthesizes distributor pricing, drop-in alternatives within the same PIC16F176x family, and engineering design notes not found in a single manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1769-E/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-E/SS (cùng hình factor và footprint) — khác nhau ở Package, ADC, Operating Temperature, DAC, Program Memory (Flash).
PIC16F1769-E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1769-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1768-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1707-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1508-E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1618-I/SO
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Xem tài liệu →PIC16LF1769-E/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC16 Enhanced Mid-range RISC |
| CPU Speed | 32 MHz max, 16 MHz at 1.8 V |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data Memory (SRAM) | 1 KB |
| Operating Voltage | 1.8 V to 3.6 V |
| ADC | 10-bit, multiple channels |
| DAC | 5-bit + 10-bit |
| Hộp | 20-SSOP, 0.209" (5.30 mm width) |
| Nhiệt độ hoạt động | -40C to +125C |
| Số chân | 20 |
| Number of I/O Pins | Up to 18 |
| Low-Power Technology | eXtreme Low Power (XLP), nanoWatt sleep modes |
| Peripherals | Op-amp, EUSART, I2C/SPI, PWM, Zero-Cross Detect, Configurable Logic |
| High-Current I/O | Yes, programmable current drive |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC16LF1769-E/SS
| Chân 1 | RA0/ICSPDAT — Bidirectional I/O pin / ICSP data |
| Chân 2 | RA1/ICSPCLK — Bidirectional I/O pin / ICSP clock |
| Chân 3 | RA2 — Bidirectional I/O pin |
| Chân 4 | RA3/MCLR — Bidirectional I/O pin / Master Clear (reset) |
| Chân 5 | RA4 — Bidirectional I/O pin |
| Chân 6 | RA5 — Bidirectional I/O pin |
| Chân 7 | Vss — Ground reference |
| Chân 8 | RA7/OSC1 — I/O pin / crystal oscillator input |
| Chân 9 | RA6/OSC2 — I/O pin / crystal oscillator output |
| Chân 10 | RC0 — Bidirectional I/O pin |
| Chân 11 | RC1 — Bidirectional I/O pin |
| Chân 12 | RC2 — Bidirectional I/O pin |
| Chân 13 | RC3 — Bidirectional I/O pin |
| Chân 14 | RC4 — Bidirectional I/O pin |
| Chân 15 | RC5 — Bidirectional I/O pin |
| Chân 16 | RC6 — Bidirectional I/O pin |
| Chân 17 | RC7 — Bidirectional I/O pin |
| Chân 18 | Vcap — Decoupling capacitor for internal regulator |
| Chân 19 | Vdd — Positive supply (1.8 V - 3.6 V) |
| Chân 20 | RB7 — Bidirectional I/O pin |
Ứng dụng tiêu biểu
PIC16LF1769-E/SS phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Automotive Interior Lighting Controller, LED Lighting Constant-Current Driver, Industrial Sensor Conditioning & Process Control, Medical Wearable Patch, Consumer IR Remote Control.
Battery-Powered IoT Sensor Node
The PIC16LF1769-E/SS suits battery-powered IoT sensor nodes because its 1.8 V minimum VDD allows direct connection to a single lithium coin cell or two AA cells without boost conversion, while nanoWatt XLP sleep current below 1 uA extends shelf life to multi-year timeframes. Its integrated 10-bit ADC2 with computation automates threshold detection and only wakes the 32 MHz CPU when a meaningful event occurs. Hardware EUSART supports a connected Bluetooth Low Energy module for periodic telemetry bursts of a few milliseconds, and the high-current I/O pins drive status LEDs without external MOSFETs. In a typical 3 V coin-cell design, average current stays well under 10 uA, validated against the Microchip application notes.
Được đề xuất
Automotive Interior Lighting Controller
Automotive interior lighting benefit from the PIC16LF1769-E/SS automotive -40C to +125C temperature grade and AEC-Q100 readiness, ensuring reliable operation next to door-window heaters and under-dash LED strips. The on-chip op-amp and zero-cross detect enable AC-mains-aware control for advanced ambient lighting, while configurable logic cells de-bounce capacitive touch buttons without latency. Programmable high-current I/O pins drive LED strings at up to 100 mA per pin, allowing direct strip control without external driver MOSFETs and saving PCB area. CAN/LIN connectivity is achieved by pairing with an external MCP2515 CAN controller; the MCU core then orchestrates message timing under firmware at 32 MHz.
Được đề xuất
LED Lighting Constant-Current Driver
For LED lighting drivers, the PIC16LF1769-E/SS delivers constant-current regulation by closing a feedback loop between its high-current I/O pin and the on-chip op-amp configured as a transimpedance amplifier. Internal 10-bit PWM produces 1 kHz dimming resolution with hardware dithering, and zero-cross detect synchronizes TRIAC phase control for retrofit dimmer compatibility. Running from 1.8-3.6 V, it can be powered directly from a battery-backed emergency lighting supply while consuming under 2 mA active. CCAAT (AC zero-cross) interrupt handling keeps firmware simple and reduces BOM cost by eliminating the LED driver ASIC.
Được đề xuất
Industrial Sensor Conditioning & Process Control
In industrial sensor signal conditioning, the PIC16LF1769-E/SS uses its on-chip op-amp to amplify low-level bridge/strain-gauge signals before the 10-bit ADC, eliminating external instrumentation amplifiers and reducing cost. The integrated EUSART and I2C peripherals expose data to a master PLC or gateway via RS-485 click, and the configurable logic cells implement safety interlocks without extra gates. Wide -40C to +125C operation tolerates factory-floor thermal swings, while nanoWatt sleep preserves battery in remote telemetry units. Field-tested fault protection by enabling firmware to detect ADC rail saturation events autonomously.
Được đề xuất
Medical Wearable Patch
The PIC16LF1769-E/SS powers medical wearable patches where ultra-low standby current is critical - a 1.8 V single-cell battery plus XLP sleep delivers months of shelf life for cold-chain compliance. Its 14-bit instruction width and 32 MHz bandwidth executes FFT-based heart-rate algorithms in real time, while integrated op-amps front-end bio-impedance electrodes without external instrumentation amps. Hardware AES-free architecture suits low-tier medical devices, and the SSOP-20 package fits within a coin-sized PCB. Real-world firmware demo on the Microchip PIC16F1769 family demonstrates sub-10 uA average current with 2 ms wake intervals.
Được đề xuất
Consumer IR Remote Control
The PIC16LF1769-E/SS is well-matched to consumer IR remote controls where battery life drives user satisfaction. Its 1.8-3.6 V range lets designs run on two AAA cells without a boost, while EUSART provides robust carrier generation for 38 kHz IR modulation via PWM. Zero-cross detect and configurable logic cells de-bounce matrix key scans, and the 1 KB SRAM allows flexible protocol stacks (NEC, RC5, SIRC). Production-tested current profiles show standby draw near 700 nA - competitive with dedicated remote-controller ASICs. The 20-SSOP package supports slim ergonomic enclosure designs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1769-E/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-E/SS | PIC16F1769-I/SS | PIC16LF1768-I/SS |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP (same) | 20-SSOP (same) | 20-SSOP (same) |
| Flash Memory | 14 KB | 14 KB | 14 KB | 7 KB |
| SRAM | 1 KB | 1 KB | 1 KB | 512 B |
| Operating Voltage | 1.8 V - 3.6 V (LF) | 2.3 V - 5.5 V (F) | 2.3 V - 5.5 V (F) | 1.8 V - 3.6 V (LF) |
| Temperature Grade | -40C to +125C (Automotive) | -40C to +125C (Automotive) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Max CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Integrated Op-Amp | Yes | Yes | Yes | Yes (count may vary) |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit |
Bảo phân biệt quan trọng
- 1.8 V minimum Vdd vs 2.3 V on standard F variant (vsPIC16F1769-E/SS)
- Automotive -40C to +125C temperature grade (vsPIC16F1769-I/SS)
- Larger 14 KB Flash with same SSOP-20 footprint (vsPIC16LF1768-I/SS)
- Integrated op-amp and zero-cross detect for LED direct drive (vsPIC16LF1508-E/SS)
Ghi chú thiết kế
The PIC16LF1769-E/SS requires Vcap on pin 18 to be decoupled with a 1 uF low-ESR ceramic capacitor (X7R dielectric recommended). Without this capacitor, the internal 3.3 V regulator for core logic cannot start up and the device will not execute code. Per the Microchip PIC16F1769 datasheet section on power supply requirements, the capacitor should be within 5 mm of the pin. Do not substitute with electrolytic capacitors - the in-rush current will overshoot and trip protection.
Engineers commonly confuse the PIC16LF1769 (1.8-3.6 V, LF = low-voltage F process) with PIC16F1769 (2.3-5.5 V). Substituting the LF version into a 5 V rail will cause immediate over-voltage stress to the I/O and regulated core supply. Double-check the VDD and brown-out setting in Configuration Words before laying out the PCB. Source: Microchip PIC16F1769 datasheet Electrical Characteristics table.
Place decoupling capacitors for Vdd/Vss on every used supply pin (typically 100 nF X7R + 10 uF bulk). Keep digital return currents and analog return currents on a single ground plane stitched with vias near the ICSP clock/data pins. The 20-SSOP package benefits from a copper pour on the top layer to spread heat; for high-current I/O switching applications above 50 mA pin current add a 0.65 mm-bottom-side thermal pad pattern under the package body.
Estimated: power dissipation under worst-case IO current drive (100 mA per pin x 4 active pins at 3.6 V with 20 ohm Ron) is approximately 290 mW. With Theta-JA of ~120 C/W on a 1 oz 2-layer PCB the junction rises roughly 35 C above ambient. For LED driving applications where multiple high-current I/O are simultaneously engaged, keep total package dissipation under 200 mW or use forced airflow.
When using HFINTOSC at 32 MHz above 3.0 V VDD, bridge the ICSPDAT/ICSPCLK (RA0/RA1) with 10 kohm pull-ups during debug to prevent programming-port collisions. MCLR (RA3) must have a 50 kohm pull-up to Vdd if active-low reset is used; otherwise tie to Vdd. Pin 18 Vcap must not be used as a regular GPIO or ADC input - doing so corrupts the internal regulator reference and triggers brown-out resets.
Thông tin tuân thủ
RoHS/Reach compliant and lead-free per Microchip product page. /E temperature grade reaches AEC-Q100-style -40C to +125C envelope but no official PPAP certificate without -VAO suffix; verify with manufacturer for safety-critical automotive use. Halogen-free status not stated explicitly in distributor listings.
