PIC16LF1776-E/SP - 8-Bit 32MHz 14KB Flash MCU | Microchip
Référence : PIC16LF1776-E/SP ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.2271 | $3,23 |
| 10 | $2.9 | $29,00 |
| 100 | $2.55 | $255,00 |
| 500 | $2.3 | $1 150,00 |
| 1 000 | $2.05 | $2 050,00 |
PIC16LF1776-E/SP Présentation
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory, working RAM, and a rich set of peripheral blocks onto one silicon die. Within the broader semiconductor hierarchy, an MCU sits below microprocessors (MPUs) in complexity but above simple logic ICs, and it is the workhorse of embedded control. The PIC16 family specifically targets cost-sensitive industrial, consumer, lighting, motor-control, and power-supply applications where deterministic instruction execution, low power, and rich analog integration reduce or eliminate the need for external components. PIC16LF177x parts integrate intelligent analog peripherals such as 10-bit and 12-bit ADCs, multiple 10-bit DACs, comparators, op amps, programmable ramp generators, and PWM/timer/capture modules.
Key features of the PIC16LF1776-E/SP include 28 I/O pins, four 16-bit timers, four 10-bit PWM modules, two USART, two SPI, two I2C, an enhanced 16-bit capture/compare/PWM (ECCP) module, a 10-bit DAC with output, and a 32 kHz internal oscillator. The -E temperature grade supports -40 C to +125 C operation, making the part suitable for industrial and extended-temperature environments. XLP nanoWatt technology delivers standby currents below the 100 nA typical range with real-time clock operation from a 32 kHz source, allowing years of operation on a single coin cell.
Typical applications for the PIC16LF1776-E/SP include LED lighting and driver control, switched-mode power supplies, battery chargers, motor control (BLDC, stepper, brushed DC), sensor conditioning, smart sensor hubs, and human-machine interface (HMI) products. The combination of multiple op amps, comparators, and DACs lets designers build tight analog control loops without external analog ICs.
When designing in this part, decouple VDD with a 100 nF X7R ceramic capacitor placed within 5 mm of the VDD pin, and follow Microchip's recommended ground-return techniques for the analog AVdd/AVss pins. For noise-sensitive analog peripherals, isolate the digital switching current paths from the analog traces and consider using the internal fixed-voltage reference (FVR) for ADC and comparator thresholds.
Alternatives de remplacement direct pour PIC16LF1776-E/SP — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16LF1776-E/SP (même facteur de forme et même empreinte) — différant par Package, ADC, Mounting Type, Program Memory (Flash), Operating Voltage Range.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F1776-E/SP
✅ Remplacement direct✓ En stock
$2.2 / unité
Voir la fiche technique →PIC16LF1765-I/SP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F1718-I/SP
✅ Remplacement direct✓ En stock
$1.32 / unité
Voir la fiche technique →PIC16F1765-I/SP
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F1713-I/SP
✅ Remplacement direct✓ En stock
$1.65 / unité
Voir la fiche technique →PIC16LF1776-E/SP Valeurs maximales et caractéristiques électriques
| Product Family | PIC16 (XLP 16F) |
| Core Architecture | 8-bit PIC enhanced mid-range |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| SRAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 25 (28-pin package) |
| Boîtier | 28-SPDIP (Skinny Plastic DIP, through-hole) |
| Température de fonctionnement | -40 C to +125 C (industrial -E grade) |
| Timers | Four 16-bit timers |
| Communication Peripherals | 2x USART, 2x SPI, 2x I2C |
| PWM Channels | Four 10-bit PWM + 1 ECCP module |
| ADC | 12-bit (multiple channels) |
| DAC | 10-bit |
| Comparators / Op Amps | Integrated |
| Internal Oscillator | 32 MHz (software-selectable) |
| Low-Power Technology | XLP nanoWatt (standby < 100 nA typical) |
| Type de montage | Through-Hole |
| Statut RoHS | Compliant |
Configuration des broches de PIC16LF1776-E/SP
| Broche 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Broche 2 | RA5 — Port A bit 5 / analog input / I/O |
| Broche 3 | RA4 — Port A bit 4 / analog input / I/O |
| Broche 4 | RA3 — Port A bit 3 / analog input / I/O |
| Broche 5 | RC5 — Port C bit 5 / I/O |
| Broche 6 | RC4 — Port C bit 4 / I/O |
| Broche 7 | RC3 — Port C bit 3 / I/O |
| Broche 8 | RC2 — Port C bit 2 / I/O |
| Broche 9 | RC1 — Port C bit 1 / I/O |
| Broche 10 | RC0 — Port C bit 0 / I/O |
| Broche 11 | RB7 — Port B bit 7 / I/O |
| Broche 12 | RB6 — Port B bit 6 / I/O |
| Broche 13 | RB5 — Port B bit 5 / I/O |
| Broche 14 | VSS — Ground reference |
| Broche 15 | RB4 — Port B bit 4 / I/O |
| Broche 16 | RB3 — Port B bit 3 / I/O |
| Broche 17 | RB2 — Port B bit 2 / I/O |
| Broche 18 | RB1 — Port B bit 1 / I/O |
| Broche 19 | RB0 — Port B bit 0 / interrupt-on-change |
| Broche 20 | RA0 — Port A bit 0 / analog input / I/O |
| Broche 21 | RA1 — Port A bit 1 / analog input / I/O |
| Broche 22 | RA2 — Port A bit 2 / analog input / I/O |
| Broche 23 | RC6 — Port C bit 6 / I/O |
| Broche 24 | RC7 — Port C bit 7 / I/O |
| Broche 25 | RA6 — Port A bit 6 / I/O |
| Broche 26 | RA7 — Port A bit 7 / I/O |
| Broche 27 | RE3 — Port E bit 3 / I/O |
| Broche 28 | MCLR/VPP — Master clear reset (active low) / programming voltage input |
Applications typiques
PIC16LF1776-E/SP convient pour 7 applications: LED Lighting Drivers, Switched-Mode Power Supplies (SMPS), Brushless DC (BLDC) Motor Control, Battery Charging Systems, Industrial Sensor Hubs, Human-Machine Interface (HMI) Boards, Smart Agriculture / IoT Sensor Nodes.
LED Lighting Drivers
Drives LED lighting strings with constant current regulation. The PIC16LF1776-E/SP's four 16-bit timers, four 10-bit PWM channels, and integrated ECCP module generate high-resolution dimming waveforms. The integrated op amps form constant-current feedback loops for drive stages, eliminating external analog ICs. The -E temperature grade and 1.8 V to 3.6 V VDD support wide-input LED driver designs including battery-powered fixtures. Recommended companion is the PIC16LF1718-I/SP for smaller LED strips.
Recommandé
Switched-Mode Power Supplies (SMPS)
Implements primary-side or secondary-side digital control for AC-DC, DC-DC, and PFC converters. The PIC16LF1776-E/SP's 32 MHz CPU clock and 14 KB Flash handle complex state-machine control loops, while the 12-bit ADC samples current and voltage with high resolution. The built-in 10-bit DAC programs reference thresholds during transient load testing. The XLP standby < 100 nA typical supports Energy Star efficiency targets for standby power on consumer and industrial PSU designs. Recommended companion: PIC16LF1703-I/ML for auxiliary housekeeping rails.
Recommandé
Brushless DC (BLDC) Motor Control
Drives BLDC, stepper, or brushed DC motors with field-oriented or trapezoidal commutation. The PIC16LF1776-E/SP's ECCP module generates complementary PWM with programmable dead-band for half-bridge and full-bridge stages, while the integrated comparators handle back-EMF zero-crossing detection without external components. Hall-sensor or sensorless FOC algorithms fit within the 14 KB Flash budget. The -40 C to +125 C temperature range supports automotive underhood and industrial servo environments. Recommended companion: PIC16LF1718-I/SO for lower-power companion-controller implementations.
Recommandé
Battery Charging Systems
Builds CC/CV chargers for Li-ion, LiFePO4, NiMH, and lead-acid chemistries. The PIC16LF1776-E/SP's 12-bit ADC monitors battery voltage and charge current, while the 10-bit DAC programs precise charge-current setpoints. The 1.8 V to 3.6 V VDD permits direct operation from a single-cell Li-ion source. XLP low-power modes keep quiescent draw below 100 nA typical to extend shelf life. Recommended companion: PIC16LF1554-I/ST for low-power battery state-of-health monitoring.
Recommandé
Industrial Sensor Hubs
Aggregates analog and digital sensors on industrial 4-20 mA, 0-10 V, RS-485, and I2C networks. The PIC16LF1776-E/SP's multiple USART, SPI, and I2C peripherals address several sensor channels in parallel. On-chip op amps condition 4-20 mA current-loop signals directly to the 12-bit ADC. The 1.8 V to 3.6 V supply range supports loop-powered transmitters with input voltage as low as 2.0 V. Recommended companion: PIC16LF1713-E/SO for cost-optimized secondary sensors.
Recommandé
Human-Machine Interface (HMI) Boards
Implements keypad scanning, LCD or LED display refresh, and rotary-encoder decoding in industrial control panels and appliance UI. The PIC16LF1776-E/SP's four 16-bit timers drive software PWM for LED brightness and LCD contrast, while interrupt-on-change I/O decodes mechanical key matrices without continuous polling. The 14 KB Flash accommodates multi-language menus and icon states, and the 1 KB SRAM buffers character streams before commit to display. Recommended companion: PIC16LF1764-I/P for simpler single-page displays.
Recommandé
Smart Agriculture / IoT Sensor Nodes
Builds long-life remote sensor nodes with battery or energy-harvesting power supplies. The PIC16LF1776-E/SP's XLP nanoWatt technology keeps average current consumption below 1 uA when sampled once per minute, allowing multi-year operation on a single 3 V coin cell. The 12-bit ADC and integrated op amps digitize soil-moisture, temperature, and humidity probes without external analog ICs. The -40 C to +125 C operating range covers outdoor enclosure environments. Recommended companion: PIC16LF1554-E/SL for radio co-processor interfacing.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LF1776-E/SP — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F1776-E/SP | PIC16LF1765-I/SP | PIC16F1718-I/SP | PIC16F1765-I/SP | PIC16F1713-I/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (through-hole) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) |
| Program Memory (Flash) | 14 KB | 14 KB | 8 KB (-43%) | 16 KB (+14%) | 8 KB (-43%) | 8 KB (-43%) |
| SRAM | 1 KB | 1 KB | 1 KB | 512 B (-50%) | 1 KB | 512 B (-50%) |
| VDD Range | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C |
Principaux différenciateurs
- Largest program memory in PIC16LF177x family matched to 28-SPDIP (vs PIC16LF1765-I/SP)
- Lower VDD operating range for battery applications (vs PIC16F1718-I/SP)
- Full set of integrated analog peripherals (vs PIC16F1713-I/SP)
Notes de conception
Place a 100 nF X7R ceramic decoupling capacitor as close as possible (within 5 mm) to the VDD pin (pin 1) and use a separate analog VDD/AVss pair if available for the analog peripherals. For battery-powered designs using the 1.8 V to 3.6 V VDD range, add a 10 uF bulk capacitor near the supply to handle inrush during PWM transitions. The XLP nanoWatt idle mode with the 32 kHz internal oscillator reduces quiescent current to under 100 nA typical, supporting multi-year battery life on a coin cell.
Do not exceed the absolute maximum VDD of 3.6 V on the LF variant - transients above this value can permanently damage the part; use the F variant (PIC16F1776) for 5 V systems. Ensure the MCLR pin (pin 28) is pulled high through a 10 kohm resistor for normal operation; leaving it floating can cause spurious resets. For ADC accuracy above 10 bits, calibrate the internal fixed-voltage reference (FVR) against an external reference or use the dedicated AVdd/AVss pins with a low-noise analog LDO such as the MCP1700. Watch out for code that exceeds the 14 KB Flash limit when migrating from the 8 KB PIC16F1765 family.
For noise-sensitive ADC sampling, route analog input traces over a continuous ground plane and keep them short and perpendicular to digital switching traces. Use a separate analog ground island connected to digital ground at a single point near the AVss pin to avoid ground-loop noise injection into the ADC. The 28-SPDIP through-hole package is ideal for prototype development and breadboarding; consider migrating to PIC16LF1776-E/SO (28-SOIC) or PIC16LF1776-E/SS (28-SSOP) for volume production where surface-mount assembly is required.
Informations de conformité
RoHS compliant per Microchip product family data. AEC-Q100 not qualified; consider dsPIC33 variant for automotive designs.
