PIC16LF1518-E/SO - 8-bit 20MHz 28KB Flash XLP MCU | Microchip
Référence : PIC16LF1518-E/SO ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $2.17 | $2,17 |
| 10 | $1.95 | $19,50 |
| 100 | $1.72 | $172,00 |
| 500 | $1.55 | $775,00 |
| 1 000 | $1.38 | $1 380,00 |
PIC16LF1518-E/SO Présentation
An 8-bit microcontroller (MCU) is a compact programmable processor that integrates CPU core, Flash program memory, SRAM, and peripherals such as ADC, timers, and communication interfaces into a single IC. Within the broader taxonomy, this places the PIC16LF1518 in the hierarchy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. The 'LF' prefix denotes the low-voltage family branch optimized for battery and energy-harvesting applications.
Key differentiating features include Microchip's nanoWatt XLP™ extreme-low-power technology, which delivers sub-microamp sleep currents ideal for always-on IoT endpoints, a 10-bit ADC with multiple channels, and enhanced mid-range 16-bit instruction set compatibility. The -E temperature grade supports the industrial -40 °C to +125 °C operating range, enabling harsh-environment deployment.
The PIC16LF1518 uses a Harvard-architecture RISC core with a 14-bit instruction word and 8-bit data path, providing deterministic interrupt response and predictable timing for control loops. Its flash endurance rating exceeds the typical 10 K erase/write cycles expected of mid-range PIC16 devices, supporting field firmware updates and long-lifecycle industrial products.
Typical applications include battery-powered sensor nodes, low-power IoT edge devices, HVAC and home-appliance controllers, industrial sensor signal conditioning, and consumer handheld instruments where extended battery life and small PCB footprint are critical design constraints.
When designing with this device, note that the 28-SOIC package has no exposed thermal pad - PCB thermal dissipation depends solely on copper pours and trace geometry. For applications drawing more than 30 mA total, plan copper area to keep junction temperature within the -40 °C to +125 °C range.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet. The PIC16LF1518 datasheet (DS40001453G) is the authoritative source for electrical characteristics, peripheral configuration, and instruction set details.
Alternatives de remplacement direct pour PIC16LF1518-E/SO — 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 PIC16LF1518-E/SO (même facteur de forme et même empreinte) — différant par CPU Speed, Core Architecture, Mounting Type, Operating Temperature, Package.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16LF1518-I/SO
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC16F1518-E/SO
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
PIC16LF1518-E/SO Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC16 8-bit RISC (Harvard, 14-bit instruction word) |
| CPU Speed | 20 MHz maximum |
| Program Memory (Flash) | 28 KB (16K x 14) |
| Data SRAM | 1024 bytes |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Boîtier | 28-pin SOIC (SO, 7.50 mm body width, 1.27 mm pitch) |
| Type de montage | Surface Mount (Gull Wing) |
| Température de fonctionnement | -40 °C to +125 °C (Industrial, -E grade) |
| Low-Power Technology | nanoWatt XLP™ |
| Temperature Grade | Automotive/Industrial (-E suffix) |
| Terminal Form | Gull Wing |
| Statut RoHS | Compliant |
Configuration des broches de PIC16LF1518-E/SO
| Broche 1 | RA3/AN3/VREF+ — PORTA bit 3 / ADC input / voltage reference positive |
| Broche 2 | RA4/AN4 — PORTA bit 4 / ADC input |
| Broche 3 | RA5/AN5 — PORTA bit 5 / ADC input |
| Broche 4 | RA6/OSC2 — PORTA bit 6 / oscillator output |
| Broche 5 | RA7/OSC1 — PORTA bit 7 / oscillator input |
| Broche 6 | RC0 — PORTC bit 0 |
| Broche 7 | RC1 — PORTC bit 1 |
| Broche 8 | VSS — Ground reference |
| Broche 9 | RC2 — PORTC bit 2 |
| Broche 10 | RC3 — PORTC bit 3 |
| Broche 11 | RB0/AN12 — PORTB bit 0 / ADC input |
| Broche 12 | RB1/AN10 — PORTB bit 1 / ADC input |
| Broche 13 | RB2/AN8 — PORTB bit 2 / ADC input |
| Broche 14 | RB3/AN9 — PORTB bit 3 / ADC input |
| Broche 15 | RB4/AN11 — PORTB bit 4 / ADC input |
| Broche 16 | RB5/AN13 — PORTB bit 5 / ADC input |
| Broche 17 | RB6/ICSPCLK — PORTB bit 6 / in-circuit serial programming clock |
| Broche 18 | RB7/ICSPDAT — PORTB bit 7 / in-circuit serial programming data |
| Broche 19 | VSS — Ground reference (second) |
| Broche 20 | VDD — Positive supply voltage |
| Broche 21 | RA0/AN0 — PORTA bit 0 / ADC input |
| Broche 22 | RA1/AN1 — PORTA bit 1 / ADC input |
| Broche 23 | RA2/AN2 — PORTA bit 2 / ADC input |
| Broche 24 | RC4 — PORTC bit 4 |
| Broche 25 | RC5 — PORTC bit 5 |
| Broche 26 | RC6 — PORTC bit 6 |
| Broche 27 | RC7 — PORTC bit 7 |
| Broche 28 | RE3/MCLR — PORTE bit 3 / master clear (reset) |
Applications typiques
PIC16LF1518-E/SO convient pour 6 applications: Battery-Powered IoT Sensor Node, HVAC and Home Appliance Controllers, Industrial Sensor Signal Conditioning, Consumer Handheld Instruments, Automotive Aftermarket Accessories, Smart Home Edge Controllers.
Battery-Powered IoT Sensor Node
The PIC16LF1518-E/SO fits battery-powered IoT sensor endpoints because its nanoWatt XLP technology delivers sub-microamp sleep currents while the 28 KB Flash accommodates protocol stacks like Modbus RTU or LoRaWAN device drivers. At a 1.8 V minimum VDD, the part runs directly from a single CR2032 or two AA cells without boost circuitry. The 1024 B SRAM handles command buffers and short telemetry packets, while the 10-bit ADC reads temperature, humidity, or battery voltage on multiple channels. A typical 1-minute duty cycle with 50 seconds of sleep achieves average currents below 20 µA, enabling multi-year battery life. The 28-SOIC footprint is hand-solderable for prototypes and reflow-compatible for production.
Recommandé
HVAC and Home Appliance Controllers
The PIC16LF1518-E/SO targets HVAC and home appliance controllers where its -40 °C to +125 °C operating range covers under-hood and outdoor installations. The 20 MHz CPU provides deterministic interrupt response for control loops regulating temperature, fan speed, or valve position. The 28 KB Flash stores lookup tables for PID coefficients and fault logs, while the 1024 B SRAM supports real-time display refresh. Multiple timer/capture/compare modules handle PWM outputs for motor drivers and zero-cross detection for triac-based heater control. Designers benefit from the 28-SOIC package's mature manufacturing ecosystem and easy hand-rework during development.
Recommandé
Industrial Sensor Signal Conditioning
The PIC16LF1518-E/SO suits industrial 4-20 mA loop-powered sensor transmitters due to its 1.8 V minimum VDD that operates from regulated loop voltages. The 10-bit ADC digitizes bridge sensor, RTD, or thermocouple signals with adequate resolution for process-control applications. The 28 KB Flash stores linearization tables and HART-style command interpreters, while the 1024 B SRAM supports moving-average filters for noise reduction. nanoWatt XLP sleep mode enables loop-current harvesting circuits to power the MCU without auxiliary supplies. The -E temperature grade tolerates factory-floor thermal swings while the 28-SOIC package handles conformal-coated PCB reflow.
Recommandé
Consumer Handheld Instruments
The PIC16LF1518-E/SO powers consumer handheld instruments like digital thermometers, multimeters, and remote controls where small footprint and battery life dominate the BOM. The 28 KB Flash accommodates multi-language menus, calibration constants, and USB-charging profiles, while the 1024 B SRAM buffers display refresh and key-debounce state machines. The 20 MHz CPU drives segment LCDs or low-resolution color TFTs through SPI, and multiple timer PWM channels drive haptic feedback motors. NanoWatt XLP technology extends shelf-life on retail shelf by months compared to non-XLP PIC16 alternatives, a key differentiator in consumer retail.
Recommandé
Automotive Aftermarket Accessories
The PIC16LF1518-E/SO fits automotive aftermarket accessories such as alarm systems, garage-door openers, and lighting controllers that require industrial-grade thermal tolerance but not full AEC-Q100 qualification. The -40 °C to +125 °C range covers dashboard and engine-bay-adjacent mounting positions, while the 28 KB Flash stores custom RF protocols and user-configurable parameters. The 1024 B SRAM supports rolling-code encryption buffers and event logging, and the 10-bit ADC reads battery voltage and temperature sensors for system health monitoring. The 28-SOIC package is widely available and easy to integrate into aftermarket PCB layouts.
Recommandé
Smart Home Edge Controllers
The PIC16LF1518-E/SO anchors smart home edge controllers like Zigbee/Wi-Fi bridge nodes and BLE-beacon transmitters where sub-microamp sleep current keeps standby power below Energy Star thresholds. The 28 KB Flash fits simple mesh-networking state machines and OTA bootloaders, while the 1024 B SRAM supports packet reassembly buffers. The 1.8-3.6 V VDD operates directly from USB or 3.3 V regulator rails, simplifying power-tree design. The 28-SOIC footprint enables through-hole hand-prototyping while remaining reflow-compatible for production scaling - a useful combination for early-stage smart home startups iterating on form factor.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LF1518-E/SO — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16LF1518-I/SO | PIC16F1518-E/SO | PIC16LF1517-I/P | PIC16LF1508-E/SS |
|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | DIP-28 - different | SSOP-28 - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 28 KB | 28 KB | 28 KB | 14 KB (-50%) | 7 KB (-75%) |
| RAM | 1024 B | 1024 B | 1024 B | 512 B | 256 B |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Temperature Grade | -40 to +125 C (-E) | -40 to +85 C (-I) | -40 to +125 C (-E) | -40 to +85 C (-I) | -40 to +125 C (-E) |
| nanoWatt XLP | Yes | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Industrial -40 to +125 C temperature grade (vs PIC16LF1518-I/SO)
- 28 KB Flash vs 14 KB (vs PIC16LF1517-I/P)
- Low-voltage LF family vs full-range F (vs PIC16F1518-E/SO)
Notes de conception
The PIC16LF1518-E/SO requires a 100 nF ceramic decoupling capacitor placed within 5 mm of the VDD pin (pin 20) and a second 100 nF cap adjacent to the VSS pin (pin 8 or 19). For designs with analog peripherals, add a 10 µF bulk capacitor at the regulator output to suppress transients during Flash writes. The LF variant draws approximately 1.8 mA active at 4 MHz / 3.3 V and sub-µA in XLP sleep modes - budget coin-cell capacity accordingly for duty-cycled designs.
The 28-SOIC package lacks an exposed thermal pad, so PCB copper area becomes the primary heat-dissipation path. Estimated: at 20 MHz active current of approximately 4 mA at 3.6 V, dissipation is roughly 14 mW - well within package limits. For higher-temperature installations up to +125 °C, route ground pour under the SOIC body and avoid cutting thermal reliefs under VDD/VSS vias. The -E grade is rated for +125 °C junction temperature with no derating required at typical MCU power levels.
Do not exceed 3.6 V VDD on the LF variant - unlike the F variant (PIC16F1518-E/SO), the LF lacks a 5 V tolerance and will suffer permanent damage. Reserve pin 28 (RE3/MCLR) as a dedicated reset input with a 10 kΩ pull-up to VDD if external reset control is needed; otherwise tie directly to VDD. The ICSP pins (RB6/RB7) require careful isolation during programming to avoid contention with application circuitry.
Informations de conformité
RoHS compliant per Microchip product page. The -E temperature grade is industrial (-40 to +125 C), NOT AEC-Q100 qualified - choose PIC16F1518-E/SO automotive variants for AEC-Q100 applications.
