PIC16LF1769-E/SS - 8-Bit XLP 32MHz MCU, 14KB Flash, 20-SSOP | Microchip
MPN: PIC16LF1769-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.42 | $1.42 |
| 10 | $1.28 | $12.80 |
| 100 | $1.05 | $105.00 |
| 500 | $0.92 | $460.00 |
| 1,000 | $0.79 | $790.00 |
PIC16LF1769-E/SS Overview
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.
Drop-in alternatives for PIC16LF1769-E/SS — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16LF1769-E/SS (same form factor and footprint) — differing in Package, DAC, ADC, Operating Temperature, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1769-E/SS
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →PIC16F1769-I/SS
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16LF1768-I/SS
✅ Drop-In✓ In Stock
$0.86 / Unit
View Datasheet →PIC16LF1707-I/SS
✅ Drop-In✓ In Stock
$0.7 / Unit
View Datasheet →PIC16LF1508-E/SS
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC16LF1618-I/SO
✅ Drop-In✓ In Stock
$1.1 / Unit
View Datasheet →PIC16LF1769-E/SS Maximum Ratings & Electrical Characteristics
| 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 |
| Package | 20-SSOP, 0.209" (5.30 mm width) |
| Operating Temperature | -40C to +125C |
| Pin Count | 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 |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16LF1769-E/SS Pin Configuration
| Pin 1 | RA0/ICSPDAT — Bidirectional I/O pin / ICSP data |
| Pin 2 | RA1/ICSPCLK — Bidirectional I/O pin / ICSP clock |
| Pin 3 | RA2 — Bidirectional I/O pin |
| Pin 4 | RA3/MCLR — Bidirectional I/O pin / Master Clear (reset) |
| Pin 5 | RA4 — Bidirectional I/O pin |
| Pin 6 | RA5 — Bidirectional I/O pin |
| Pin 7 | Vss — Ground reference |
| Pin 8 | RA7/OSC1 — I/O pin / crystal oscillator input |
| Pin 9 | RA6/OSC2 — I/O pin / crystal oscillator output |
| Pin 10 | RC0 — Bidirectional I/O pin |
| Pin 11 | RC1 — Bidirectional I/O pin |
| Pin 12 | RC2 — Bidirectional I/O pin |
| Pin 13 | RC3 — Bidirectional I/O pin |
| Pin 14 | RC4 — Bidirectional I/O pin |
| Pin 15 | RC5 — Bidirectional I/O pin |
| Pin 16 | RC6 — Bidirectional I/O pin |
| Pin 17 | RC7 — Bidirectional I/O pin |
| Pin 18 | Vcap — Decoupling capacitor for internal regulator |
| Pin 19 | Vdd — Positive supply (1.8 V - 3.6 V) |
| Pin 20 | RB7 — Bidirectional I/O pin |
Typical Applications
PIC16LF1769-E/SS is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1769-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- 1.8 V minimum Vdd vs 2.3 V on standard F variant (vs PIC16F1769-E/SS)
- Automotive -40C to +125C temperature grade (vs PIC16F1769-I/SS)
- Larger 14 KB Flash with same SSOP-20 footprint (vs PIC16LF1768-I/SS)
- Integrated op-amp and zero-cross detect for LED direct drive (vs PIC16LF1508-E/SS)
Design Notes
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.
Compliance Information
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.
