PIC16F1769-E/SO - 8-Bit MCU, 14KB Flash, 10-bit DAC | Microchip
MPN: PIC16F1769-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.05 | $2.05 |
| 10 | $1.84 | $18.40 |
| 100 | $1.64 | $164.00 |
| 500 | $1.46 | $730.00 |
| 1,000 | $1.3 | $1,300.00 |
PIC16F1769-E/SO Overview
An 8-bit microcontroller (MCU) is a single-chip computer that executes instructions on 8-bit data widths, balancing low power consumption, deterministic real-time response, and ease of programming for embedded applications. The PIC16F1769 occupies the mainstream tier of the Microchip 8-bit portfolio, positioned between baseline PIC10/12 devices and the high-performance PIC18 and dsPIC families. Within the broader taxonomy: MCU -> 8-bit microcontroller -> PIC16 family -> PIC16F176x sub-family -> PIC16F1769 specific part.
Key differentiating features of the PIC16F1769-E/SO include the XLP™ (eXtreme Low Power) technology, which delivers sub-microamp sleep currents for battery-powered applications, and the integrated op-amp and DAC peripherals that eliminate the need for external analog components in many sensor-interface designs. The 32MHz maximum clock frequency (8MHz internal oscillator with 4x PLL) provides ample MIPS for closed-loop control loops, while the 14KB Flash supports application code sizes typical of appliance control, lighting ballast, and small motor control.
Typical applications include LED lighting drivers (using the integrated op-amp and 10-bit DAC for current regulation), zero-cross detect for TRIAC control in solid-state relays, battery-powered sensor nodes leveraging XLP technology, and small appliance control boards requiring integrated analog signal conditioning. The high-current I/O pins (up to 100mA source/sink) simplify direct MOSFET gate drive without buffer transistors.
When designing with this device, reserve adequate Flash for a bootloader if field firmware updates are required, and use Microchip's MPLAB X IDE with the XC8 compiler for development. Verify timing budgets against the 32MHz fOSC and consider the device's 3V minimum supply voltage for low-voltage designs.
Drop-in alternatives for PIC16F1769-E/SO — 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 PIC16F1769-E/SO (same form factor and footprint) — differing in Package, ADC, Core, Program Memory (Flash), I/O Pins.
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View Datasheet →PIC16F1769-E/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC16 enhanced mid-range |
| Series | PIC® XLP™ 16F (PIC16F176x sub-family) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 1 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Temperature | -40C to +125C (Extended, "-E" suffix) |
| Package | 20-pin SOIC (SO, 0.295" / 7.50mm body width) |
| ADC | 10-bit |
| DAC | 10-bit |
| Operational Amplifiers | Yes (integrated) |
| Zero-Cross Detect | Yes |
| High-Current I/O | Yes (high sink/source capability) |
| Mounting Type | Surface Mount (SMD/SMT) |
| RoHS Status | Compliant |
PIC16F1769-E/SO Pin Configuration
| Pin 1 | RA3/AN3/Vref+/C1IN+ — GPIO/Analog input 3/DAC reference positive/Comparator input |
| Pin 2 | RA4/AN4/T0CKI/C2OUT — GPIO/Analog input 4/Timer0 clock input/Comparator 2 output |
| Pin 3 | RA5/MCLR/Vpp — GPIO/Master Clear (reset) input/Programming voltage |
| Pin 4 | RA6/OSC2/CLKOUT — GPIO/Crystal oscillator output/Clock output |
| Pin 5 | RA7/OSC1/CLKIN — GPIO/Crystal oscillator input/External clock input |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — Positive supply voltage |
| Pin 8 | RB4/AN10/SDI/SDA — GPIO/Analog input 10/SPI data in/I2C data |
| Pin 9 | RB5/AN11/RX/DT — GPIO/Analog input 11/EUSART receive/EUSART data |
| Pin 10 | RB6/SCK/SCL — GPIO/I2C clock/SPI clock |
| Pin 11 | RB7/TX/CK — GPIO/EUSART transmit/EUSART clock |
| Pin 12 | RC0/SOSCO — GPIO/Secondary oscillator output (32.768kHz) |
| Pin 13 | RC1/SOSCI — GPIO/Secondary oscillator input (32.768kHz) |
| Pin 14 | RC2/AN6/CCP1 — GPIO/Analog input 6/Capture/Compare/PWM 1 |
| Pin 15 | RC3/AN7/CCP2 — GPIO/Analog input 7/Capture/Compare/PWM 2 |
| Pin 16 | RC4/AN8 — GPIO/Analog input 8 |
| Pin 17 | RC5/AN9 — GPIO/Analog input 9 |
| Pin 18 | RC6/AN8/SS — GPIO/Analog input 8/SPI slave select |
| Pin 19 | RC7/AN9/SDO — GPIO/Analog input 9/SPI data out |
| Pin 20 | RA0/AN0/C1IN0-/DACOUT — GPIO/Analog input 0/Comparator input/DAC output |
Typical Applications
PIC16F1769-E/SO is suitable for 6 applications: LED Lighting Drivers, Solid-State Relay (SSR) with Zero-Cross Switching, Battery-Powered Sensor Nodes, Small Appliance Control Boards, HVAC Fan Motor Control, Digital Power Supply Monitoring.
LED Lighting Drivers
The PIC16F1769-E/SO is well-suited for constant-current LED driver designs. Its integrated 10-bit DAC and on-chip op-amp form a closed-loop current regulator, eliminating external analog components. The PWM module provides LED dimming control with up to 32MHz timing resolution, while zero-cross detect supports TRIAC phase-cut dimming for AC retrofit lamps. XLP sleep currents below 1uA enable standby-mode compliance with energy regulations such as Energy Star and EU EcoDesign, extending system efficiency in always-connected luminaires.
Recommended
Solid-State Relay (SSR) with Zero-Cross Switching
The PIC16F1769-E/SO integrated zero-cross detect peripheral simplifies SSR design by synchronizing TRIAC gate pulses to AC line zero-crossing, minimizing EMI and inrush currents. The 32MHz CPU clock enables accurate 60Hz/50Hz line-frequency sampling, while high-current I/O pins can source TRIAC gate current directly without buffer transistors. The 14KB Flash provides headroom for safety routines and communication stacks, supporting industrial control panels, building automation, and appliance switching applications requiring long-term reliability.
Recommended
Battery-Powered Sensor Nodes
XLP (eXtreme Low Power) technology makes the PIC16F1769-E/SO ideal for battery-powered wireless sensor nodes. Sleep currents in the sub-microamp range enable multi-year battery life on a single coin cell. The integrated 10-bit ADC and op-amps condition sensor signals (temperature, pressure, light) without external analog ICs. Combined with a sub-GHz transceiver or Bluetooth LE module, the PIC16F1769 handles sensor acquisition, local processing, and low-duty-cycle RF transmission in IoT deployments for smart agriculture, environmental monitoring, and HVAC systems.
Recommended
Small Appliance Control Boards
Coffee makers, blenders, washing machines, and microwave ovens benefit from the PIC16F1769-E/SO's integrated peripherals and extended temperature range (-40C to +125C). The on-chip op-amps interface with NTC thermistors and current-sense shunts for closed-loop temperature and motor control. The 14KB Flash supports state-machine firmware plus safety monitoring routines, while high-current I/O pins drive relays, solenoids, and seven-segment displays directly. The 20-pin SOIC package suits through-hole-reflow or wave-soldered assemblies typical in cost-sensitive consumer appliances.
Recommended
HVAC Fan Motor Control
BLDC and universal motor control in HVAC fans leverages the PIC16F1769-E/SO's PWM, ADC, and zero-cross detect. The integrated op-amp conditions back-EMF signals for sensorless commutation algorithms, while the 10-bit DAC sets variable-speed reference voltages. The 32MHz fOSC supports up to 8 MIPS, sufficient for trapezoidal commutation at typical fan RPM ranges. Extended temperature rating (-40C to +125C) handles in-attic and outdoor HVAC unit environments, and 14KB Flash supports multiple fan curves and fault diagnostics.
Recommended
Digital Power Supply Monitoring
The PIC16F1769-E/SO's 10-bit ADC and op-amps make it suitable for secondary-side monitoring of AC-DC and DC-DC converters. The MCU can measure output voltage, current, and temperature via external NTCs, then adjust digital potentiometers or communicate status via UART/I2C to a primary-side controller. The 32MHz CPU supports high-speed ADC sampling for transient response tracking, and the SOIC-20 package fits standard 24V industrial PSU form factors. This hybrid analog/digital architecture is typical in programmable DIN-rail power supplies.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1769-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1768-E/SS | PIC16F1765-I/P | PIC16F1764-I/P | PIC16F1719-E/P | PIC16F1619T-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SOIC (7.50mm body) | 20-pin SSOP (5.30mm body) | 20-pin PDIP (through-hole) | 20-pin PDIP (through-hole) | 20-pin PDIP (through-hole) | 20-pin SOIC (7.50mm body) |
| Program Memory (Flash) | 14 KB | 7 KB | 8 KB | 7 KB | 28 KB | 8 KB |
| RAM | 1 KB | 512 B | 1 KB | 512 B | 2 KB | 1 KB |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Integrated DAC | 10-bit | 10-bit | 10-bit | 10-bit | 8-bit | 8-bit |
| Integrated Op-Amps | Yes | Yes | Yes | Yes | No | No |
Key Differentiators
- Largest Flash memory in 20-pin SOIC PIC16F176x lineup (vs PIC16F1768-E/SS)
- Extended -40C to +125C temperature range (vs PIC16F1765-I/P (Industrial -40C to +85C))
- Integrated 10-bit DAC plus op-amps for closed-loop analog (vs PIC16F1619T-I/SO (8-bit DAC, no op-amp))
Design Notes
Estimated: At 32MHz fOSC and Vdd=5V, the PIC16F1769-E/SO typical operating current is approximately 5-7mA with all peripherals active. For battery-powered designs, use the XLP Sleep mode (sub-1uA typical) and the 32.768kHz secondary oscillator on RC0/RC1 for low-power timekeeping. Decouple Vdd/Vss pairs with 100nF X7R ceramic placed within 5mm of the IC pins to suppress digital switching noise.
The SOIC-20 (7.50mm body) package has a typical theta_JA of approximately 60-70 C/W in still air. At -40C to +125C operating range, the PIC16F1769-E/SO dissipates only milliwatts internally under typical workloads, so thermal management is rarely a concern. For high-temperature environments, ensure ambient airflow or attach to a copper pour; otherwise junction self-heating is negligible below 10mA load.
Common pitfalls when designing with the PIC16F1769-E/SO: (1) Always tie MCLR (pin 3) high through a 10k resistor with a 100nF capacitor to ground for proper reset behavior; leaving MCLR floating causes intermittent operation. (2) When using the internal oscillator, allow 1-2ms startup time before executing timing-critical code. (3) Verify AVDD/AVSS connections when using ADC - even if unused, these pins should be connected for stable reference.
PCB layout best practices: place the IC on a top-layer copper pour connected to GND to provide a low-impedance return path. Keep analog input traces (AN0-AN11) short and away from digital switching lines (PWM outputs, oscillator). For SOIC-20 hand-soldering or rework, use a fine-tip soldering iron at 310-340C with lead-free SAC305 solder. The exposed thermal pad on the SO-20 is not present; thermal relief is via the 20 lead fingers only.
Compliance Information
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - for automotive designs, contact Microchip for PIC16F1769-E/SO automotive-grade ordering codes.
