PIC16F1776-E/MX - 8-Bit 32MHz 14KB Flash MCU | Microchip | UQFN-28
MPN: PIC16F1776-E/MX ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.65 | $1.65 |
| 10 | $1.48 | $14.80 |
| 100 | $1.22 | $122.00 |
| 500 | $1.05 | $525.00 |
| 1,000 | $0.92 | $920.00 |
PIC16F1776-E/MX Overview
An 8-bit microcontroller (MCU) is a compact, single-chip computer that integrates a CPU, non-volatile program memory, volatile data memory, and configurable I/O on one silicon die. It occupies the hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. PIC microcontrollers use a modified Harvard RISC architecture and are optimized for deterministic interrupt response, low power consumption, and ease of programming through the MPLAB X IDE ecosystem. The 'XLP' (eXtreme Low Power) designation indicates sleep currents typically in the nanoamp range, making PIC16F1776-E/MX well-suited to battery- or energy-harvesting-powered applications.
Key differentiating features include multiple on-chip operational amplifiers, 5-bit and 10-bit DACs, high-speed comparators, a 10-bit ADC, 10/16-bit PWMs with programmable ramp generation, and a Complementary Waveform Generator (CWG) — peripherals that normally require external ICs. Core peripherals also include configurable logic cells (CLC), a numerically controlled oscillator (NCO), and Zero Cross Detect (ZCD) for zero-voltage switching in TRIAC or MOSFET AC-line designs.
The PIC16F1776 architecture employs an 8-bit data path with a 14-bit instruction word, providing code density advantages over byte-oriented 8-bit cores. Internal oscillator options support 32MHz HFINTOSC and 31kHz LFINTOSC, allowing the device to operate without an external crystal. The integrated analog engine and PWM peripherals are interconnected via a peripheral pin select and signal routing matrix, reducing external component count.
Typical applications include LED lighting drivers (constant-current, dimming, color-mixing), switch-mode power supplies (PFC, flyback, resonant converters), battery chargers (CC/CV profiles), brushed DC and BLDC motor control (sensorless and sensored), and general-purpose mixed-signal embedded control. The combination of multiple op amps and high-resolution PWMs makes this part especially well-suited to digital-power loops.
When designing with PIC16F1776-E/MX, pay attention to the UQFN-28 package's exposed thermal pad — it must be soldered to a sufficient ground copper pour for both thermal dissipation and electrical grounding. The device's wide operating voltage range (typically 1.8V-3.6V for the 'LF' variant or 2.3V-5.5V for the 'F' variant) allows direct connection to single-cell Li-ion or 5V rails.
This page synthesizes distributor pricing, drop-in alternatives from the PIC16F177x family, and practical design notes not found in the standalone datasheet, providing a faster procurement and evaluation path for design engineers.
Drop-in alternatives for PIC16F1776-E/MX — 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/MX (same form factor and footprint) — differing in ADC, DAC, Package, Mounting Type, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1773-E/MX
✅ Drop-In✓ In Stock
$1.16 / Unit
View Datasheet →PIC16F1776-E/SP
✅ Drop-In✓ In Stock
$2.2 / Unit
View Datasheet →PIC16F1776-I/MX
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1773-I/MX
✅ Drop-In✓ In Stock
$1.49 / Unit
View Datasheet →PIC16F1769-I/SS
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1776-E/MX Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC (modified Harvard RISC) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Maximum CPU Frequency | 32 MHz |
| ADC | 10-bit |
| DAC | 5-bit and 10-bit on-chip |
| Operational Amplifiers | Multiple on-chip op amps |
| Comparators | High-speed comparators on-chip |
| PWM Modules | 10-bit and 16-bit with programmable ramp |
| Complementary Waveform Generator | Yes (CWG) |
| Configurable Logic Cells (CLC) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| Zero Cross Detect (ZCD) | Yes |
| Package | 28-pin UQFN (6x6 mm) with exposed pad |
| Operating Temperature Range | -40C to +125C (extended, -E suffix) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC16F1776-E/MX Pin Configuration
| Pin 1 | RA0/AN0/C1IN0+/C2IN0+/CWG1FLT — GPIO RA0 / ADC input / comparator input / CWG fault input |
| Pin 2 | RA1/AN1/C1IN1-/C2IN1- — GPIO RA1 / ADC input / comparator input |
| Pin 3 | RA2/AN2/C1IN0-/C2IN0-/ZCD1 — GPIO RA2 / ADC input / comparator input / Zero Cross Detect |
| Pin 4 | RA3/AN3/C1IN1+/C2IN1+ — GPIO RA3 / ADC input / comparator input (input only) |
| Pin 5 | RA4/AN4/C1OUT/T0CKI — GPIO RA4 / ADC input / comparator output / Timer0 clock input |
| Pin 6 | RA5/AN5/C2OUT — GPIO RA5 / ADC input / comparator output |
| Pin 7 | RA6/OSC2/CLKOUT — GPIO RA6 / oscillator output / clock output |
| Pin 8 | RA7/OSC1/CLKIN — GPIO RA7 / oscillator input / clock input |
| Pin 9 | VDD — Positive supply voltage |
| Pin 10 | VSS — Ground reference |
| Pin 11 | RB0/AN12/CWG1PPS — GPIO RB0 / ADC input / CWG PPS output |
| Pin 12 | RB1/AN10/C1IN3+/PWM4ERS — GPIO RB1 / ADC input / comparator input / PWM4 emergency shutdown |
| Pin 13 | RB2/AN8/C2IN3+/PWM3ERS — GPIO RB2 / ADC input / comparator input / PWM3 emergency shutdown |
| Pin 14 | RB3/AN9/C1IN2-/C2IN2- — GPIO RB3 / ADC input / comparator input |
| Pin 15 | RB4/AN11/PWM5 — GPIO RB4 / ADC input / PWM5 output |
| Pin 16 | RB5/AN13/PWM6 — GPIO RB5 / ADC input / PWM6 output |
| Pin 17 | RB6/ICSPCLK — GPIO RB6 / In-Circuit Serial Programming clock (also debug) |
| Pin 18 | RB7/ICSPDAT — GPIO RB7 / In-Circuit Serial Programming data (also debug) |
| Pin 19 | RC0/PWM4 — GPIO RC0 / PWM4 output |
| Pin 20 | RC1/PWM5ERS — GPIO RC1 / PWM5 emergency shutdown |
| Pin 21 | RC2/PWM6ERS — GPIO RC2 / PWM6 emergency shutdown |
| Pin 22 | RC3/SCL/MDMIN — GPIO RC3 / I2C clock / modulation input |
| Pin 23 | RC4/SDA/MDOUT — GPIO RC4 / I2C data / modulation output |
| Pin 24 | RC5/CCP1 — GPIO RC5 / Capture/Compare/PWM 1 |
| Pin 25 | RC6/CCP2 — GPIO RC6 / Capture/Compare/PWM 2 |
| Pin 26 | RC7/CCP3 — GPIO RC7 / Capture/Compare/PWM 3 |
| Pin 27 | MCLR/VPP — Master Clear (reset) input / programming voltage |
| Pin 28 | EP — Exposed thermal pad - connect to ground |
Typical Applications
PIC16F1776-E/MX is suitable for 6 applications: LED Lighting Drivers, Switch-Mode Power Supplies (SMPS), Battery Charging (CC/CV Profiles), Motor Control (Brushed DC / BLDC), Industrial Sensor Signal Conditioning, General-Purpose Mixed-Signal Embedded Control.
LED Lighting Drivers
The PIC16F1776-E/MX's combination of 16-bit PWMs with programmable ramp, multiple 10-bit DACs, high-speed comparators, and on-chip op amps makes it ideal for multi-channel LED lighting drivers. The device's CWG (Complementary Waveform Generator) supports half-bridge and full-bridge topologies for high-current LED strings, while the integrated op amps provide closed-loop current sensing without external components. The CLC (Configurable Logic Cells) enable custom digital signal conditioning for dimming interfaces (0-10V, DALI, PWM), reducing external component count. The 32 MHz core speed is sufficient to manage color-mixing algorithms for RGBW fixtures and tunable-white lighting at refresh rates above 1 kHz, eliminating visible flicker.
Recommended
Switch-Mode Power Supplies (SMPS)
The PIC16F1776-E/MX is purpose-built for digital SMPS control. Its 16-bit PWM with 62.5 ns resolution at 32 MHz, integrated high-speed comparators for peak/valley current sensing, and 10-bit ADC with fast conversion enable peak current mode control, valley current mode control, and average current mode control topologies. The Zero Cross Detect (ZCD) peripheral supports critical-conduction-mode (CrM) PFC and quasi-resonant flyback converters. With 14 KB Flash and 1 KB RAM, firmware can implement digital compensator loops (Type-II/Type-III), soft-start sequencing, and protection algorithms (OVP, OCP, OTP). The op amps provide signal conditioning for current shunt amplifiers inside the MCU, eliminating a discrete op-amp IC.
Recommended
Battery Charging (CC/CV Profiles)
The PIC16F1776-E/MX supports multi-stage battery charging algorithms with constant-current (CC) and constant-voltage (CV) profiles for Li-ion, LiFePO4, lead-acid, and NiMH chemistries. Its 10-bit ADC and op amps enable accurate battery voltage and current measurement, while the 16-bit PWM regulates the charging converter with high precision. The 32 MHz CPU and 1 KB RAM allow complex charging state machines with temperature compensation, timer-based safety cutoff, and LED status indication. The integrated CWG generates complementary gate drive signals for synchronous rectifier topologies, improving charging efficiency above 92% in typical designs.
Recommended
Motor Control (Brushed DC / BLDC)
The PIC16F1776-E/MX's CWG, 16-bit PWM, op amps, and comparators enable sensored and sensorless motor control. For brushed DC motors, the device supports closed-loop speed control via back-EMF sensing and PWM duty adjustment. For BLDC motors, the comparators and ZCD detect rotor position, while the CWG generates the six-step commutation signals. The 14 KB Flash holds PID control firmware and startup sequences. With 32 MHz CPU speed, the control loop runs at sub-100 us update rates for smooth torque control. The compact UQFN-28 package fits space-constrained motor drive PCBs.
Recommended
Industrial Sensor Signal Conditioning
The PIC16F1776-E/MX is well-suited to industrial sensor signal conditioning and 4-20 mA loop transmitter designs. The on-chip op amps amplify low-level sensor outputs (thermocouples, strain gauges, RTDs), while the 10-bit ADC digitizes the conditioned signal. The CLC can implement digital filters and threshold detectors without software overhead. The CWG and 16-bit PWM generate excitation signals for ratiometric sensor measurements, improving noise immunity. With the extended -40C to +125C temperature range (-E suffix), the part operates reliably in factory automation and process control environments.
Recommended
General-Purpose Mixed-Signal Embedded Control
The PIC16F1776-E/MX serves as a general-purpose mixed-signal controller for appliances, HVAC controls, IoT edge nodes, and consumer electronics. Its rich peripheral set (multiple op amps, DACs, comparators, PWMs, CLC, NCO) allows a single MCU to replace several discrete analog ICs, reducing BOM cost and PCB area. The NCO generates precise frequency outputs for IR remote control or tone signaling. With 1 KB RAM and 14 KB Flash, the firmware can implement wireless protocol stacks (BLE, LoRa, Sub-GHz), sensor fusion algorithms, and user interface handling. The low-power XLP technology supports battery-powered applications with sleep currents in the nanoamp range.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1776-E/MX — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1773-E/MX | PIC16F1776-I/MX | PIC16F1773-I/MX | PIC16F1769-I/SS |
|---|---|---|---|---|---|
| Package | 28-pin UQFN (6x6) | 28-pin UQFN (6x6) - same | 28-pin UQFN (6x6) - same | 28-pin UQFN (6x6) - same | 28-pin SSOP (different SMD footprint) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 7 KB (-50%) | 14 KB (same) | 7 KB (-50%) | 14 KB (same) |
| Data RAM | 1 KB | 1 KB (same) | 1 KB (same) | 1 KB (same) | 1 KB (same) |
| Operating Temperature | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Op Amps On-Chip | Yes (multiple) | Yes (multiple) | Yes (multiple) | Yes (multiple) | Reduced count |
| 16-bit PWM | Yes | Yes | Yes | Yes | 10-bit PWM only |
| CWG (Complementary Waveform Generator) | Yes | Yes | Yes | Yes | No |
| Unit Price (1 pc, approx.) | $1.65 | $1.50 (estimated) | $1.55 (estimated) | $1.40 (estimated) | $1.45 (estimated) |
Key Differentiators
- Extended temperature range (-40C to +125C) (vs PIC16F1776-I/MX)
- Full Intelligent Analog peripheral suite (vs PIC16F1769-I/SS)
- Doubled Flash vs PIC16F1773 (vs PIC16F1773-E/MX)
Design Notes
The PIC16F1776-E/MX's UQFN-28 package has an exposed thermal pad (pin 28) that MUST be soldered to a PCB ground copper pour to achieve rated thermal performance and provide a low-impedance ground reference. Without proper pad soldering, junction temperatures can rise above 100C at moderate load levels (50-100 mA total I/O current). Recommended minimum copper area is 50 mm² of 1 oz copper on top and bottom layers with thermal vias to the inner ground plane. Estimated: theta_JA of approximately 35 C/W with 50 mm² 1 oz copper pour, allowing operation to 100 mA total I/O within thermal limits.
Route the VDD and VSS (pins 9 and 10) traces as wide as possible (>= 0.5 mm) with local decoupling capacitors placed within 2 mm of the supply pins. Use a 100 nF ceramic decoupling capacitor directly at the VDD pin, plus a 1-10 uF bulk capacitor nearby. Place the 32.768 kHz or HFINTOSC-related components (if used) close to OSC1/OSC2 to minimize trace inductance. For high-speed analog signals (ADC inputs), use a ground reference plane and avoid crossing analog and digital signals.
Several pitfalls commonly cause debug headaches with PIC16F1776-E/MX designs: (1) Forgetting to configure the PPS (Peripheral Pin Select) registers — peripherals must be mapped to physical pins before use, or they will appear non-functional. (2) Not clearing the GIE bit during critical timing sections, causing interrupt jitter in PWM loops. (3) Leaving the MCLR pin floating — it must be tied to VDD through a 10 kohm pull-up for normal operation, or left as a reset input. (4) Exceeding the absolute maximum VDD voltage (typically 6.5V) during hot-plug events, which can permanently damage the MCU. (5) Using internal oscillator without checking HFINTOSC accuracy across temperature for time-sensitive protocols.
When using the CWG (Complementary Waveform Generator) for half-bridge or full-bridge switching, route the high-side and low-side gate drive signals as matched-length differential pairs to prevent shoot-through caused by timing skew. Add 100 ohm series damping resistors within 5 mm of the MCU gate drive pins to dampen transmission line ringing. For analog signals (ADC inputs, op amp inputs), use guard rings driven by a quiet analog ground to prevent digital switching noise from coupling into sensitive measurements. Estimated: a 50 mm guard ring around op amp inputs improves ADC noise by 6-10 dB in noisy switch-mode environments.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified; the -E temperature suffix is industrial-grade extended, not automotive-grade. For AEC-Q100 automotive qualified PIC16F177x variants, consult Microchip automotive product line (e.g., PIC16F1776T-E/MXVAO).
