PIC16LF1618-I/SS - 8-bit MCU, 7KB Flash, 10-bit ADC, SSOP-20 | Microchip
Référence : PIC16LF1618-I/SS ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.85 | $1,85 |
| 10 | $1.71 | $17,10 |
| 100 | $1.52 | $152,00 |
| 500 | $1.34 | $670,00 |
| 1 000 | $1.18 | $1 180,00 |
| 3 000 | $1.02 | $3 060,00 |
PIC16LF1618-I/SS Présentation
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control with low power consumption and minimal firmware overhead. Within the broader semiconductor taxonomy, the PIC16 family sits in the PIC microcontroller line, which is a sub-category of microcontrollers, which in turn are a sub-category of microprocessors and finally integrated circuits. The PIC16LF1618 belongs to the PIC16F161X family, designed for low-power general-purpose and small-motor control applications.
Key features of the PIC16LF1618-I/SS include 7KB (4K x 14 words) of self-programmable Flash, 512 bytes of SRAM, 256 bytes of EEPROM, a 10-bit ADC with computation, and on-chip peripherals such as CCP, 24-bit Signal Measurement Timer (SMT), Zero-Cross Detect, and PWM. The device also integrates the XLP (eXtreme Low Power) technology platform, with sleep currents in the nanoamp range and multiple power-managed operating modes.
The architecture uses a Harvard-design RISC core with 49 single-cycle instructions and a 14-bit instruction word. The integrated voltage regulator supports operation from a single 1.8V-3.6V rail, while the wide peripheral set allows direct interfacing to sensors, motors, and human-interface circuitry without external glue logic. Internal oscillator options and factory-calibrated accuracy reduce external component count for cost-sensitive designs.
Typical applications include small DC motor control (fans, pumps, valve drives), LED lighting control, sensor conditioning, IoT edge nodes, battery chargers, and consumer appliance controllers. Its XLP feature set makes it well-suited to energy-harvesting and battery-powered devices where idle current budget is critical.
When designing with the PIC16LF1618, place decoupling capacitors (100 nF plus bulk) as close to VDD/VSS as possible and follow Microchip's MPLAB X IDE and XC8 toolchain for development. The 20-pin SSOP footprint is widely supported and easy to hand-rework during prototyping.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including same-package SSOP-20 drop-in options within the PIC16F161X family for engineers comparing parametric variants.
Alternatives de remplacement direct pour PIC16LF1618-I/SS — 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 PIC16LF1618-I/SS (même facteur de forme et même empreinte) — différant par Package, ADC, Program Memory (Flash), Core Architecture, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F1618-I/SS
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16LF1618-I/SO
✅ Remplacement direct✓ En stock
$1.1 / unité
Voir la fiche technique →PIC16LF1618-I/P
✅ Remplacement direct✓ En stock
$0.86 / unité
Voir la fiche technique →PIC16LF1619-I/SS
✅ Remplacement direct✓ En stock
$1.05 / unité
Voir la fiche technique →PIC16F1579-I/SS
✅ Remplacement direct✓ En stock
$1.13 / unité
Voir la fiche technique →PIC16LF1579-I/SS
✅ Remplacement direct✓ En stock
$1.05 / unité
Voir la fiche technique →PIC16LF1618-I/SS Valeurs maximales et caractéristiques électriques
| Product Type | 8-bit Microcontroller (MCU) |
| Family | PIC16F161X |
| Core | PIC16 RISC |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data Memory (SRAM) | 512 bytes |
| EEPROM | 256 bytes |
| Data EEPROM | 512 bytes |
| CPU Speed | 32 MHz maximum |
| Operating Voltage | 1.8 V to 3.6 V |
| ADC | 10-bit, with computation |
| Timers | CCP, 24-bit SMT, Zero-Cross Detect |
| PWM | Yes (PWM with Enhanced Features) |
| Température de fonctionnement | -40C to +85C (Industrial, "I") |
| Boîtier | 20-pin SSOP (5.30 mm body width) |
| Type de montage | Surface Mount |
| Niveau MSL | 1 |
| Statut RoHS | Compliant |
| Low-Power Technology | XLP (eXtreme Low Power) |
Configuration des broches de PIC16LF1618-I/SS
| Broche 1 | RA5 — Bidirectional I/O, ADC input |
| Broche 2 | RA4 — Bidirectional I/O, ADC input |
| Broche 3 | RA3/MCLR — Bidirectional I/O or Master Clear (reset) input |
| Broche 4 | RC5 — Bidirectional I/O |
| Broche 5 | RC4 — Bidirectional I/O |
| Broche 6 | RC3 — Bidirectional I/O |
| Broche 7 | RC2 — Bidirectional I/O |
| Broche 8 | RC1 — Bidirectional I/O |
| Broche 9 | RC0 — Bidirectional I/O |
| Broche 10 | RB7 — Bidirectional I/O |
| Broche 11 | RB6 — Bidirectional I/O, ICSP clock |
| Broche 12 | RB5 — Bidirectional I/O, ADC input |
| Broche 13 | RB4 — Bidirectional I/O, ADC input |
| Broche 14 | RB3 — Bidirectional I/O, ADC input |
| Broche 15 | RB2 — Bidirectional I/O |
| Broche 16 | RB1 — Bidirectional I/O |
| Broche 17 | RB0 — Bidirectional I/O, ADC input |
| Broche 18 | VDD — Positive supply voltage |
| Broche 19 | VSS — Ground reference |
| Broche 20 | RA0 — Bidirectional I/O, ADC input |
Applications typiques
PIC16LF1618-I/SS convient pour 7 applications: Small DC Motor Control (Fans, Pumps, Valves), LED Lighting Control and Dimming, IoT Sensor Node and Edge Sensing, Battery Charging and Power Management, Consumer Appliance Control (White Goods), HVAC Sensor and Actuator Conditioning, User Interface and Keypad Controllers.
Small DC Motor Control (Fans, Pumps, Valves)
The PIC16LF1618-I/SS is purpose-built for small DC motor control in fans, pumps, and valve drives. Its integrated peripherals include a CCP module for PWM generation, 24-bit Signal Measurement Timer (SMT) for accurate RPM/tachometry feedback, Zero-Cross Detect for AC line-zero crossings, and enhanced PWM for soft-start and current limiting. The 32 MHz core handles closed-loop PID calculations in real time, while the 10-bit ADC with computation reads back EMF sensing for sensorless BLDC applications. The SSOP-20 package is thermally adequate for sub-1A motor driver logic stages and fits easily on compact PCBAs for consumer appliance and HVAC equipment. Drop-in alternatives like the PIC16F1618-I/SS share the same motor-control peripheral block for 5 V applications.
Recommandé
LED Lighting Control and Dimming
The PIC16LF1618-I/SS enables intelligent LED lighting control with high-resolution PWM dimming, color-mixing, and thermal fold-back via the integrated ADC. The Zero-Cross Detect peripheral enables phase-cut (TRIAC) dimmer compatibility in mains-dimmable retrofit bulbs, while the XLP technology platform keeps sleep current in the nanoamp range for always-on standby listening modes. The 7 KB Flash accommodates DALI, 0-10V, and DMX-style lighting protocols, and the SSOP-20 footprint simplifies integration into compact bulb and fixture form factors. Wide 1.8V-3.6V supply allows direct operation from a single cell or two-cell battery configurations in portable LED products.
Recommandé
IoT Sensor Node and Edge Sensing
The PIC16LF1618-I/SS is well-suited to battery-powered IoT sensor nodes where sleep current dominates total energy. XLP technology places the device in deep sleep at under 50 nA with RTC wake, while wake-up events from ADC threshold or Zero-Cross Detect drive periodic measurements. The 10-bit ADC with computation automates averaging and threshold detection, offloading the CPU for sensor-fusion routines. Wide supply range supports direct operation from 2xAA, coin cell, or energy-harvesting sources. Designers can pair the MCU with sub-GHz transceivers or BLE modules for low-power IoT end nodes with multi-year battery life on a single 3 V cell.
Recommandé
Battery Charging and Power Management
The PIC16LF1618-I/SS can implement Li-ion, NiMH, and lead-acid charging profiles using its integrated ADC for V/I/T sensing, PWM for switching converter control, and 24-bit SMT for accurate timing of CC/CV transitions. The wide 1.8V-3.6V supply range aligns with single-cell Li-ion topologies, while the SSOP-20 package accommodates the MCU alongside FET drivers and current-sense amplifiers in compact charger PCBs. XLP low-power modes enable low-battery quiescent draws compliant with energy-star and eco-design regulations.
Recommandé
Consumer Appliance Control (White Goods)
Consumer appliances such as coffee machines, blenders, washing machines, and air purifiers benefit from the PIC16LF1618-I/SS's blend of motor-control peripherals, ADC channels, and PWM outputs. The MCU can drive triac-controlled heating elements, sense water level and temperature, and interface with capacitive-touch user panels. Industrial-grade temperature range (-40C to +85C) suits kitchen and laundry environments. The SSOP-20 footprint is widely supported across appliance PCB assemblies with reliable wave-solder and reflow profiles.
Recommandé
HVAC Sensor and Actuator Conditioning
HVAC systems require reliable sensor conditioning and actuator drive for thermistor, humidity, and pressure sensors, plus triac-controlled dampers and valve actuators. The PIC16LF1618-I/SS provides the 10-bit ADC for multi-sensor readout, Zero-Cross Detect for mains-synchronized triac firing, and PWM for proportional valve control. Industrial temperature range supports rooftop and basement installations. The XLP sleep modes enable battery-powered wireless sensor nodes for retrofit HVAC zoning, eliminating the cost of running control wiring through existing structures.
Recommandé
User Interface and Keypad Controllers
The PIC16LF1618-I/SS can implement capacitive-touch keypads, rotary encoder interfaces, and small character/graphic LCD controllers for consumer and industrial user interfaces. The integrated ADC handles resistive-touch and rotary encoder quadrature decoding, while PWM drives LED indicators and backlight dimming. The XLP sleep current is critical for battery-powered remote controls and wireless wall-mounted controls where idle battery drain determines service intervals.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LF1618-I/SS — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F1618-I/SS | PIC16LF1618-I/SO | PIC16LF1618-I/P | PIC16LF1619-I/SS | PIC16F1579-I/SS | PIC16LF1579-I/SS |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SSOP (same) | 20-SOIC | 20-PDIP | 20-SSOP (same) | 20-SSOP (same) | 20-SSOP (same) |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 7 KB | 14 KB | 14 KB | 14 KB |
| Operating Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| XLP Low Power | Yes | Yes | Yes | Yes | Yes | No | Yes |
| ADC | 10-bit with computation | 10-bit with computation | 10-bit with computation | 10-bit with computation | 10-bit with computation | 10-bit | 10-bit |
| Zero-Cross Detect | Yes | Yes | Yes | Yes | Yes | No | No |
Principaux différenciateurs
- Dedicated motor-control peripherals in SSOP-20 (vs PIC16F1579-I/SS)
- XLP nanoamp sleep for battery-powered designs (vs PIC16F1618-I/SS)
- Pin-compatible family expansion (vs PIC16LF1618-I/P)
- Same-family upgrade path (vs PIC16LF1619-I/SS)
Notes de conception
Place a 100 nF ceramic decoupling capacitor as close as physically possible to the VDD pin (pin 18) and a bulk capacitor (4.7-10.6 uF) on the VDD rail. The SSOP-20 lead inductance at higher CPU speeds (32 MHz) makes tight decoupling critical for ADC accuracy. For XLP deep-sleep designs, the MCU draws under 50 nA with the ADC and peripherals off, allowing direct coin-cell operation; however, verify the bulk capacitor's leakage does not exceed the MCU's sleep current budget.
Route the ICSP clock (RB6) and ICSP data (RB7) signals to dedicated test points or a 2x3 header for in-circuit programming. Keep these traces short and avoid routing analog ADC signals near the ICSP clock line to prevent coupling. For EMI-sensitive designs, place a ferrite bead on VDD near the package and use a continuous ground plane on layer 2 directly beneath the SSOP-20 footprint for thermal spreading and return-current management.
Do not exceed the absolute maximum VDD of 4.0 V (LF variant) or 5.5 V (F variant). Verify the BOR (borrowing setpoint) is enabled in CONFIG words for robust brown-out recovery in motor control applications where VDD may sag under load. For ADC accuracy, use the internal FVR (Fixed Voltage Reference) rather than VDD as the reference when measuring low-voltage sensor outputs, as VDD may be noisy under PWM switching. The ADC computation feature requires configuration of the ADCON registers per datasheet section for averaging to function.
Estimated: At 32 MHz CPU speed and 3.3 V VDD, the PIC16LF1618-I/SS core consumption is approximately 6 mA active (20 mW). The SSOP-20 package theta_JA is approximately 100 C/W in still air on a 1-oz copper 2-layer board, giving a junction rise of 34 C above ambient. In enclosed applications above 60 C ambient, reduce clock speed or duty cycle to keep junction below 125 C. Power is negligible in deep sleep (<100 nA).
Informations de conformité
RoHS and REACH compliance per Microchip product page. Industrial -40C to +85C temperature range. Not AEC-Q100 qualified; for automotive applications, contact Microchip for Q-grade variants. SSOP-20 surface-mount package with lead-free soldering profile per JEDEC J-STD-020.
