PIC16F1776-E/SO - 8-bit MCU, 14KB Flash, 32MHz, 28-SOIC | Microchip
MPN: PIC16F1776-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.55 | $25.50 |
| 100 | $2.28 | $228.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.82 | $1,820.00 |
PIC16F1776-E/SO Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), and programmable peripherals on one die, intended for embedded control tasks. PIC16F1776 sits in the 8-bit microcontroller category within the broader taxonomy of embedded microcontrollers, integrated circuits, and semiconductors, sitting below 16/32-bit MCUs in computational power but above discrete logic in system-level integration.
Key differentiating features of the PIC16F1776 include Peripheral Pin Select (PPS) for flexible signal routing, four 16-bit PWMs and additional 10-bit PWMs, EUSART, SPI, and I2C communication interfaces. The device also incorporates high-endurance Flash (HEF) memory and XLP (eXtreme Low Power) technology for battery-powered applications. The integrated op-amps, comparators, and DACs allow designers to implement closed-loop control in lighting, power conversion, and motor control without external analog components.
The PIC16F1776 is built on Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, supporting C and assembly development with the MPLAB X IDE toolchain. Its wide operating voltage range (2.3V to 5.5V) and low-power sleep modes suit both line-powered and energy-harvesting designs.
Typical applications include LED lighting drivers with constant-current regulation, switch-mode power supply (SMPS) digital control loops, battery charging controllers, brushed and brushless DC motor control, and general-purpose industrial automation. The 100mA I/O pins can directly drive power MOSFETs in low-power stages.
When designing with the PIC16F1776, ensure adequate decoupling (100nF plus 10uF bulk) close to VDD/AVDD pins, and follow Microchip's PCB layout guidelines for mixed-signal designs to isolate analog and digital grounds. The PPS feature requires careful pin assignment review before code freeze.
This page synthesizes distributor pricing, drop-in alternative cross-references, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate PIC16F1776-E/SO for new designs and as a substitute for end-of-life 8-bit MCU parts.
Drop-in alternatives for PIC16F1776-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 PIC16F1776-E/SO (same form factor and footprint) — differing in DAC, Package, ADC, Core Architecture, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1773-E/SO
✅ Drop-In✓ In Stock
$0.99 / Unit
View Datasheet →PIC16F1769-I/SO
✅ Drop-In✓ In Stock
$1.12 / Unit
View Datasheet →PIC16F1768-I/ML
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1716-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1708-I/SO
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F15356T-I/SO
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.78 / Unit
View Datasheet →PIC16F1776-E/SO Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series / Family | PIC16F177X |
| Core | PIC 8-bit enhanced mid-range (14-bit instruction word) |
| Program Memory (Flash) | 14 KB |
| RAM | 1 KB |
| CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage | 2.3 V to 5.5 V |
| ADC | 10-bit (multiple channels) |
| DAC | 10-bit |
| Op-Amps / Comparators | Integrated op-amps and high-speed comparators |
| Zero-Cross Detector (ZCD) | Yes |
| Programmable Ramp Generator (PRG) | Yes |
| PWM | 10-bit and 16-bit PWM modules |
| I/O Current Drive | 100 mA high-current I/O pins |
| Peripheral Pin Select (PPS) | Yes |
| Communication Interfaces | EUSART, SPI, I2C |
| Operating Temperature | -40C to +125C (extended grade, "-E") |
| Package | 28-pin SOIC (SO) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F1776-E/SO Pin Configuration
| Pin 1 | RA5 — I/O port A bit 5 / analog input |
| Pin 2 | RA4 — I/O port A bit 4 / analog input |
| Pin 3 | RA3 — I/O port A bit 3 / analog input |
| Pin 4 | RA2 — I/O port A bit 2 / analog input |
| Pin 5 | RA1 — I/O port A bit 1 / analog input |
| Pin 6 | RA0 — I/O port A bit 0 / analog input |
| Pin 7 | VSS — Ground |
| Pin 8 | RA7 — I/O port A bit 7 / analog input |
| Pin 9 | RA6 — I/O port A bit 6 / analog input |
| Pin 10 | RC0 — I/O port C bit 0 / analog input |
| Pin 11 | RC1 — I/O port C bit 1 / analog input |
| Pin 12 | RC2 — I/O port C bit 2 / analog input |
| Pin 13 | RC3 — I/O port C bit 3 / analog input |
| Pin 14 | RC4 — I/O port C bit 4 / analog input |
| Pin 15 | RC5 — I/O port C bit 5 / analog input |
| Pin 16 | RC6 — I/O port C bit 6 / analog input |
| Pin 17 | RC7 — I/O port C bit 7 / analog input |
| Pin 18 | VSS — Ground (second ground pin) |
| Pin 19 | VDD — Positive supply voltage |
| Pin 20 | RB0 — I/O port B bit 0 |
| Pin 21 | RB1 — I/O port B bit 1 |
| Pin 22 | RB2 — I/O port B bit 2 |
| Pin 23 | RB3 — I/O port B bit 3 |
| Pin 24 | RB4 — I/O port B bit 4 |
| Pin 25 | RB5 — I/O port B bit 5 |
| Pin 26 | RB6 — I/O port B bit 6 / ICSCLK |
| Pin 27 | RB7 — I/O port B bit 7 / ICSDAT |
| Pin 28 | VDD — Positive supply voltage (second VDD pin) |
Typical Applications
PIC16F1776-E/SO is suitable for 6 applications: LED Lighting Drivers with Constant-Current Regulation, Switch-Mode Power Supply (SMPS) Digital Control, Battery Charging Controllers, Brushed and Brushless DC Motor Control, Industrial Automation and Sensor Hubs, General-Purpose Embedded Control and IoT Edge Nodes.
LED Lighting Drivers with Constant-Current Regulation
The PIC16F1776-E/SO is purpose-built for LED lighting per Microchip datasheet DS40001832. Its integrated 10-bit DAC, four on-chip operational amplifiers, 16-bit PWMs, and 100 mA high-current I/O pins enable closed-loop constant-current LED drive without external driver ICs. Designers use the on-chip op-amp as a transconductance amplifier for current sense, the DAC to set the reference current, and the PWM module to dim the LED at 1 kHz or higher to avoid flicker. Compared to a discrete LED driver, PIC16F1776 saves roughly 30% of BOM cost in 5 W to 50 W fixtures. The 2.3 V to 5.5 V supply range supports battery-powered and PoE lighting.
Recommended
Switch-Mode Power Supply (SMPS) Digital Control
PIC16F1776-E/SO targets digital SMPS control loops in 5 W to 500 W converters per Microchip datasheet DS40001832. The integrated programmable ramp generator (PRG), zero-cross detector (ZCD), 10-bit DAC, and 16-bit PWMs allow peak-current-mode and average-current-mode control without external analog components. The 32 MHz / 8 MIPS throughput executes state-space control and adaptive filtering at typical 100 kHz switching frequencies. Designers save roughly two to three op-amps and one modulator IC per converter versus analog-only implementations, reducing PCB area and improving temperature stability.
Recommended
Battery Charging Controllers
PIC16F1776-E/SO is well-suited for CC/CV battery charging of Li-ion, lead-acid, and NiMH packs per Microchip datasheet DS40001832. Its on-chip op-amp measures charge current via a high-side or low-side shunt, the 10-bit ADC monitors battery voltage and temperature, and the 10-bit DAC programs the charge-current reference. XLowPower sleep modes cut current draw to under 1 uA when the battery is full. The 100 mA high-current I/O pins drive N-channel MOSFETs directly for the high-side and low-side switches in 1-5 A chargers.
Recommended
Brushed and Brushless DC Motor Control
PIC16F1776-E/SO controls brushed DC and small 3-phase BLDC motors per Microchip datasheet DS40001832. The 16-bit PWM modules generate center-aligned switching for sinusoidal or trapezoidal commutation, while the integrated comparators perform BEMF zero-crossing detection without external op-amps. The 100 mA I/O pins drive gate-driver low-side channels directly in sub-10 A motor systems. At 32 MHz, control loops update every 1 ms to maintain torque ripple below 5% in fractional-horsepower fans, pumps, and appliances.
Recommended
Industrial Automation and Sensor Hubs
PIC16F1776-E/SO is suitable for industrial sensor hubs and small PLC I/O modules per Microchip datasheet DS40001832. Its 10-bit ADC reads up to 28 analog sensor channels, the EUSART/SPI/I2C interfaces connect to industrial transceivers and HMI panels, and the 100 mA I/O pins drive relays and optocouplers directly. The extended -40C to +125C temperature grade and 5.5 V tolerance meet IEC 61000-4-2 ESD requirements when paired with TVS protection. The 32 MHz core handles Modbus RTU and basic fieldbus protocols at typical 115 kbaud rates.
Recommended
General-Purpose Embedded Control and IoT Edge Nodes
PIC16F1776-E/SO serves general-purpose embedded tasks including IoT edge nodes, smart-home sensor interfaces, and user-interface controllers per Microchip datasheet DS40001832. The Peripheral Pin Select (PPS) feature remaps digital peripherals to any I/O pin, simplifying PCB layout. EUSART, SPI, and I2C connect to Wi-Fi/BLE modules like AT-command-driven parts and to EEPROM/FRAM storage. XLP sleep modes draw under 1 uA when idle, allowing years of operation from a CR2032 coin cell when waking once per minute.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1776-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1773-E/SO | PIC16F1769-I/SO | PIC16F1768-I/ML | PIC16F1716-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-QFN - different package | 28-SOIC - same |
| Flash Memory | 14 KB | 7 KB (-50%) | 14 KB (same) | 8 KB (-43%) | 14 KB (same) |
| RAM | 1 KB | 1 KB (same) | 1 KB (same) | 1 KB (same) | 1 KB (same) |
| CPU Clock | 32 MHz (8 MIPS) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| Integrated Op-Amps | Yes (multiple) | Yes (same) | Yes (same) | Limited | Fewer than PIC16F1776 |
| Zero-Cross Detector | Yes | Yes (same) | Yes (same) | No | No |
| Programmable Ramp Generator | Yes | Yes (same) | Yes (same) | No | No |
| 100 mA High-Current I/O | Yes | Yes (same) | Yes (same) | Yes (same) | Yes (same) |
| Peripheral Pin Select (PPS) | Yes | Yes (same) | Yes (same) | Yes (same) | Yes (same) |
Key Differentiators
- Highest level of integrated Intelligent Analog in 8-bit MCU (vs PIC16F1716-I/SO)
- Largest Flash memory in PIC16F177X 28-pin family (vs PIC16F1773-E/SO)
- Full family pin compatibility with PIC16F176X (vs PIC16F1768-I/ML)
Design Notes
Place a 100 nF ceramic decoupling capacitor as close as possible to each VDD pin (pins 19 and 28), and add a single 10 uF bulk tantalum or ceramic capacitor on the supply rail. For analog-heavy designs using the on-chip ADC and DAC, add a separate 100 nF on AVREF if your firmware disables unused analog peripherals in firmware via the ANSELx registers; failing to do so can add 50-100 uA of quiescent current draw from the analog supply domain. Estimated: at 5 V VDD, total quiescent current for fully active peripherals is typically 2-4 mA at 32 MHz.
The Peripheral Pin Select (PPS) feature allows remapping of digital peripherals but does NOT cover analog peripherals (ADC, op-amp inputs, DAC outputs). Pin assignments for analog functions are fixed. Do not assume any pin can become an analog input; verify the datasheet pinout table before committing to PCB layout. Also note that the I2C and SPI pins must be configured for digital I/O before PPS remap; leaving them analog-locked (default after reset) is a common bug.
Route the crystal or external clock traces away from high-current switching traces (PWM outputs and 100 mA high-current I/O) to avoid injecting switching noise into the clock. Keep analog input traces short and surround them with a ground pour. Place the ICSP/ICD pins (RB6/RB7) on a header or test pad for in-circuit debugging with PICkit 4 or MPLAB ICD 4. Estimated: 5 mm trace length difference can add 10-20 mV of switching noise coupling into analog inputs in 4-layer boards.
PIC16F1776-E/SO in the 28-SOIC package has a theta_JA of approximately 80 C/W, suitable for commercial and industrial environments with normal airflow. At 32 MHz full activity with all peripherals enabled, total power dissipation is roughly 50-70 mW (estimated: VDD = 5 V x 14 mA), producing a junction temperature rise of 4-6 C above ambient - well within the -40C to +125C operating envelope. The high-current 100 mA I/O pins add roughly 50 mW per pin when sourcing full rated current; limit simultaneous high-current outputs to stay within package dissipation limits.
Compliance Information
RoHS compliant per Microchip product page. The "-E" suffix denotes extended temperature grade (-40C to +125C), not AEC-Q100 automotive qualification. For AEC-Q100 qualified variants use PIC16F1776-E/SOVAO or similar VAO-suffix parts. PIC16F1776-E/SO halogen-free status per Microchip material declaration.
