PIC16F1769-E/SS - 8-Bit 32MHz MCU 14KB Flash SSOP-20 | Microchip
MPN: PIC16F1769-E/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.42 | $2.42 |
| 10 | $2.18 | $21.80 |
| 100 | $1.94 | $194.00 |
| 500 | $1.71 | $855.00 |
| 1,000 | $1.45 | $1,450.00 |
PIC16F1769-E/SS Overview
What is a PIC16 microcontroller? The PIC16 is a family of 8-bit RISC microcontrollers from Microchip based on a modified Harvard architecture. They belong to the broader category of microcontrollers (MCUs) -> embedded controllers -> semiconductor ICs, and are widely used for low-power, cost-sensitive embedded applications. The 'XLP' designation indicates eXtreme Low Power technology, making the PIC16F1769 well-suited to battery-powered and energy-harvesting designs.
Key differentiating features include 14KB (8K x 14) Flash, 1KB RAM, integrated op amps, zero-cross detection, high-current I/O pins capable of directly driving LEDs and relays, and a 10-bit Digital-to-Analog Converter (DAC). The 32MHz maximum clock speed delivers 8 MIPS instruction throughput, supporting real-time control loops without external timers.
The device uses a Harvard RISC architecture with a 14-bit instruction word, allowing single-cycle execution of most instructions. The integrated peripherals (op amps, DAC, ADC) are configurable via peripheral pin select (PPS), enabling flexible PCB routing. Core-independent peripherals (CIPs) such as the Complementary Waveform Generator (CWG) and Configurable Logic Cell (CLC) offload tasks from the CPU for deterministic timing.
Typical applications include LED lighting control, motor drive, switch-mode power supply (SMPS) control, battery charging management, and consumer appliance control. The high-current I/Os directly drive LEDs or relays without external drivers, while the integrated op amps condition sensor signals before ADC conversion.
When designing with this device, ensure the operating voltage (1.8V-5.5V for the LF variant) and temperature grade (-40C to +125C for E suffix) match your application. Use Microchip's MPLAB X IDE with XC8 compiler for firmware development and consider the PICkit programmer for in-circuit programming and debugging.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives from Microchip's PIC16 family, and practical design considerations not found in the standalone datasheet, providing a single engineering-decision reference.
Drop-in alternatives for PIC16F1769-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 PIC16F1769-E/SS (same form factor and footprint) — differing in Package, ADC, Core Architecture, High-Current I/O, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1769-I/SS
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1768-E/SS
✅ Drop-In✓ In Stock
$1.24 / Unit
View Datasheet →PIC16F1765-E/P
✅ Drop-In✓ In Stock
$1.25 / Unit
View Datasheet →PIC16F1716-E/SS
✅ Drop-In✓ In Stock
$1.45 / Unit
View Datasheet →PIC16F1708-E/SS
✅ Drop-In✓ In Stock
$0.69 / Unit
View Datasheet →PIC16F1619-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1769-E/SS Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14) |
| Data RAM | 1 KB |
| Maximum CPU Speed | 32 MHz |
| Instruction Throughput | 8 MIPS |
| Operating Temperature Range | -40C to +125C (E suffix: Extended) |
| Package | 20-SSOP (5.30 mm body width) |
| DAC | 10-bit |
| Integrated Op Amps | Yes (per family datasheet) |
| Zero-Cross Detect | Yes |
| High-Current I/O | Yes |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F1769-E/SS Pin Configuration
| Pin 1 | RA5 — General-purpose I/O / high-current I/O |
| Pin 2 | RA4 — General-purpose I/O |
| Pin 3 | RA3 — General-purpose I/O |
| Pin 4 | RA2 — General-purpose I/O / analog |
| Pin 5 | RA1 — General-purpose I/O / analog |
| Pin 6 | RA0 — General-purpose I/O / analog |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — General-purpose I/O / oscillator |
| Pin 9 | RA6 — General-purpose I/O / oscillator |
| Pin 10 | RC0 — General-purpose I/O / analog |
| Pin 11 | RC1 — General-purpose I/O / analog |
| Pin 12 | RC2 — General-purpose I/O / analog |
| Pin 13 | RC3 — General-purpose I/O / analog |
| Pin 14 | RC4 — General-purpose I/O / analog |
| Pin 15 | RC5 — General-purpose I/O / analog |
| Pin 16 | RC6 — General-purpose I/O |
| Pin 17 | RC7 — General-purpose I/O |
| Pin 18 | RST — Reset input (active-low) |
| Pin 19 | VDD — Positive supply voltage |
| Pin 20 | RB7 — General-purpose I/O / ICSP programming |
Typical Applications
PIC16F1769-E/SS is suitable for 6 applications: LED Lighting and Color Mixing, Switch-Mode Power Supply (SMPS) Control, Small Motor Drive (BLDC / Stepper), Battery Charging and Management, Sensor Signal Conditioning Hubs, Consumer Appliance Control.
LED Lighting and Color Mixing
The PIC16F1769-E/SS is purpose-built for LED lighting control. Its 14KB Flash accommodates complex dimming curves, color-mixing algorithms, and DMX/RDM protocol stacks. The 10-bit DAC drives analog LED current references, the integrated op amps close the constant-current feedback loop, and zero-cross detect enables TRIAC dimmer compatibility. The high-current I/O pins directly drive high-brightness LEDs or relay coils, eliminating external driver transistors and reducing BOM cost in commercial lighting fixtures.
Recommended
Switch-Mode Power Supply (SMPS) Control
The PIC16F1769-E/SS suits digital SMPS control loops in AC/DC and DC/DC converters up to a few hundred watts. The 10-bit ADC samples output voltage and current at 32MHz instruction throughput for sub-microsecond loop response. The Complementary Waveform Generator (CWG) generates dead-band-controlled MOSFET gate drives, and the Configurable Logic Cell (CLC) implements hardware-based fault protection. The op amps condition current-sense signals before ADC conversion, reducing analog external component count.
Recommended
Small Motor Drive (BLDC / Stepper)
The PIC16F1769-E/SS drives small BLDC and stepper motors in fans, pumps, and appliance subsystems. The 10-bit ADC samples back-EMF for sensorless commutation, the CWG generates 3-phase complementary PWM with programmable dead time, and the NCO provides hardware frequency synthesis for microstepping. Deterministic Core-Independent Peripheral timing keeps commutation jitter below 1us without CPU loading. The 32MHz clock yields 125ns instruction cycle, sufficient for FOC algorithms on small motors.
Recommended
Battery Charging and Management
The PIC16F1769-E/SS is a strong fit for Li-ion / NiMH battery chargers and Battery Management Systems (BMS) in portable medical and consumer devices. The op amps monitor charge current via shunt resistors, the 10-bit ADC digitizes pack voltage and temperature, and the XLP (eXtreme Low Power) technology keeps quiescent current in the microamp range for sleep-mode battery preservation. The 10-bit DAC programs CC/CV charge profiles with hardware reference accuracy.
Recommended
Sensor Signal Conditioning Hubs
The PIC16F1769-E/SS integrates sensor signal chains in industrial IoT nodes. The on-chip op amps amplify low-level signals from thermocouples, load cells, and bridge sensors directly into the 10-bit ADC, eliminating external instrumentation amplifiers. The zero-cross detect module synchronously samples AC-line-powered sensors, and the CLC implements hardware debouncing and thresholding. XLP sleep modes extend battery life to years on energy-harvested or coin-cell powered wireless sensor nodes.
Recommended
Consumer Appliance Control
The PIC16F1769-E/SS operates appliance control boards in washing machines, dishwashers, coffee makers, and HVAC peripherals. The high-current I/O pins directly drive solenoid valves, triac-trigger optos, and indicator LEDs. The extended -40C to +125C temperature grade handles the thermal environment inside enclosures near heating elements. 14KB Flash supports user-interface menus, safety-interlock logic, and diagnostic telemetry over UART/SPI without external memory.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1769-E/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1769-I/SS | PIC16F1768-E/SS | PIC16F1765-E/P | PIC16F1716-E/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-PDIP (same pinout order) | 20-SSOP - same |
| Flash Memory | 14 KB | 14 KB | 7 KB | 7 KB | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Temperature Grade | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| 10-bit DAC | Yes | Yes | Yes | Yes | Yes |
| Integrated Op Amps | Yes | Yes | Yes | Yes | Yes |
| Approx Qty-1 Price (USD) | $2.42 | $2.20 | $2.10 | $2.05 | $2.30 |
Key Differentiators
- Largest Flash memory in the PIC16F176X 20-pin family (vs PIC16F1768-E/SS)
- Extended temperature grade for harsh environments (vs PIC16F1769-I/SS)
- Full peripheral set: op amps + DAC + ZCD + CWG + CLC (vs PIC16F1708-E/SS)
Design Notes
Decouple VDD (pin 19) with a 100nF ceramic capacitor placed within 5mm of the pin, plus a bulk 10uF tantalum or ceramic on the same trace. The PIC16F1769 has separate analog and digital supply pins - the analog VDD pin (if present in the SSOP-20 variant) requires an additional ferrite bead or filter to isolate noisy digital switching currents from the ADC reference. Failure to decouple properly is the most common cause of ADC noise and erratic CIP behavior.
Do not leave the MCLR pin (pin 18) floating - tie it to VDD through a 10kohm resistor for normal operation, or directly to VDD if hardware reset is not required. Floating MCLR causes random resets and erratic CIP behavior. The ICSPDAT/ICSPCK pins (typically shared with RB7/RB6 on PIC16) must not be pulled low at power-up or the device enters programming mode; add 10kohm pull-ups if the application drives these pins externally.
Estimated: at maximum 32MHz CPU clock and 5.5V supply with all peripherals active, the PIC16F1769-E/SS draws approximately 8 mA DC, dissipating ~44 mW of power - well within the SSOP-20 thermal limit of ~800 mW at 25C. The Extended -40C to +125C temperature grade means the junction can safely operate across the full industrial/automotive thermal range with no additional heatsinking required for typical embedded workloads.
Route the analog signals (ADC inputs, op amp inputs/outputs, DAC output) away from digital switching traces and the PWM/CWG output traces. Use a ground plane on the bottom layer stitched with vias around the SSOP-20 package. Keep the crystal or external clock trace (if used) short (<10mm) and surround it with a ground guard ring to reduce EMI coupling into the HFINTOSC-derived system clock.
Compliance Information
RoHS compliant per Microchip product page. 'E' suffix denotes Extended temperature grade, not AEC-Q100 automotive qualification - for AEC-Q100 qualified PIC16 MCUs, refer to the automotive-grade product line. Halogen-free status not explicitly listed in verified web data.
