PIC16F1618-I/P - 8-bit MCU, 7KB Flash, 20-Pin DIP | Microchip
Référence : PIC16F1618-I/P ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.69 | $1,69 |
| 10 | $1.52 | $15,20 |
| 100 | $1.35 | $135,00 |
| 500 | $1.18 | $590,00 |
| 1 000 | $1.05 | $1 050,00 |
PIC16F1618-I/P Présentation
An 8-bit microcontroller (MCU) is a programmable embedded processor built around an 8-bit data path and a RISC architecture, sitting in the broader hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The PIC16F1618 belongs to the PIC16 family, one of Microchip's mid-range PIC architectures optimized for low power, deterministic interrupt response, and peripheral integration. With its 7 KB Flash and 512 bytes SRAM, this device is engineered for embedded control of small motors, lighting, and IoT edge nodes.
Key features include 10-bit ADC, Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), Zero-Cross Detect (ZCD), Numerically Controlled Oscillator (NCO), 24-bit Signal Measurement Timer (SMT), Peripheral Pin Select (PPS), and eXtreme Low Power (XLP) sleep modes. These peripherals support motor commutation, frequency generation, and precise timing capture, enabling many functions without external ICs.
The PIC16F1618 uses a Harvard architecture with separate program and data buses, supporting up to 32 MHz internal oscillator operation. Its Core Independent Peripherals (CIPs) can operate without CPU intervention, freeing the core for application logic. The device includes enhanced mid-range 14-bit instruction set compatibility.
Typical applications include small motor control (BLDC, stepper), LED lighting drivers, fan control, home appliances, IoT sensor nodes, and industrial automation. The combination of CWG, ZCD, and SMT makes it ideal for AC line zero-cross detection-based motor control and TRIAC phase-angle dimming.
When designing with this MCU, ensure the VDD decoupling capacitor is placed within 5 mm of the VDD pin and that ICSP programming pins (ICSPCLK/ICSPDAT) are accessible for in-circuit programming. The device supports 2.5V-5.5V operation, allowing direct interfacing with 5V peripherals without level shifters.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour PIC16F1618-I/P — 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 PIC16F1618-I/P (même facteur de forme et même empreinte) — différant par Package, ADC, Program Memory (Flash), I/O Pins, Operating Temperature.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F1614-I/P
✅ Remplacement direct✓ En stock
$0.78 / unité
Voir la fiche technique →PIC16F1615-I/P
✅ Remplacement direct✓ En stock
$0.78 / unité
Voir la fiche technique →PIC16F1613-I/P
✅ Remplacement direct✓ En stock
$1.05 / unité
Voir la fiche technique →PIC16F1614-E/P
✅ Remplacement direct✓ En stock
$1.08 / unité
Voir la fiche technique →PIC16F1615-E/P
✅ Remplacement direct✓ En stock
$1.18 / unité
Voir la fiche technique →PIC16F1574-I/P
✅ Remplacement direct✓ En stock
$0.91 / unité
Voir la fiche technique →PIC16F1618-I/P Valeurs maximales et caractéristiques électriques
| Core Architecture | 8-bit PIC16 enhanced mid-range |
| Program Memory (Flash) | 7 KB |
| Data Memory (SRAM) | 512 bytes |
| Operating Voltage Range | 2.5 V to 5.5 V |
| Maximum CPU Speed | 32 MHz |
| Boîtier | 20-pin PDIP (P) |
| Type de montage | Through-Hole |
| ADC | 10-bit, up to 17 channels |
| Timers | 24-bit SMT, 8-bit TMR0/2, 16-bit TMR1 |
| Configurable Logic Cells (CLC) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Zero-Cross Detection (ZCD) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Plage de température de fonctionnement | -40C to +85C (Industrial) |
| Statut RoHS | Compliant |
| ICSP Programming | Yes (High-Voltage ICSP) |
Configuration des broches de PIC16F1618-I/P
| Broche 1 | RA3/AN3/C1IN+/T1G/MCLR — Digital I/O / Analog input / Comparator input / Timer1 gate / Master Clear (reset) |
| Broche 2 | RA0/AN0/C1IN+/T1CKI/ICSPCLK — Digital I/O / Analog input / Comparator input / Timer1 clock / ICSP clock |
| Broche 3 | RA1/AN1/C1IN-/T2KI/ICSPDAT — Digital I/O / Analog input / Comparator input / Timer2 clock / ICSP data |
| Broche 4 | RA2/AN2/C1OUT/ZCD — Digital I/O / Analog input / Comparator output / Zero-Cross Detect |
| Broche 5 | RA4/AN4/T0CKI/CWG1FLT — Digital I/O / Analog input / Timer0 clock / CWG fault input |
| Broche 6 | RA5/AN5/CWG1C/T1CKI — Digital I/O / Analog input / CWG complementary output / Timer1 clock |
| Broche 7 | VSS — Ground reference |
| Broche 8 | RA7/OSC1/CLKI — Digital I/O / Crystal oscillator input / External clock input |
| Broche 9 | RA6/OSC2/CLKO — Digital I/O / Crystal oscillator output / Clock output |
| Broche 10 | RC0/SOSCIN/SCL1 — Digital I/O / Secondary oscillator input / I2C clock |
| Broche 11 | RC1/SOSCO/SDA1 — Digital I/O / Secondary oscillator output / I2C data |
| Broche 12 | RC2/AN6/C1IN+/ — Digital I/O / Analog input / Comparator input |
| Broche 13 | RC3/AN7/C1IN-/ — Digital I/O / Analog input / Comparator input |
| Broche 14 | RC4/CWG1D — Digital I/O / CWG output D |
| Broche 15 | RC5/CWG1C — Digital I/O / CWG output C |
| Broche 16 | RC6/AN8 — Digital I/O / Analog input |
| Broche 17 | RC7/AN9 — Digital I/O / Analog input |
| Broche 18 | RB7/ICSPDAT — Digital I/O / ICSP data (alternate) |
| Broche 19 | RB6/ICSPCLK — Digital I/O / ICSP clock (alternate) |
| Broche 20 | VDD — Positive supply voltage |
Applications typiques
PIC16F1618-I/P convient pour 7 applications: Small Motor Control (BLDC/Stepper), LED Lighting Drivers and TRIAC Dimming, Home Appliance Control, Industrial Fan and Pump Control, IoT Edge Sensor Nodes, Smart Sensor Signal Conditioning, Automotive Body Electronics (Non-Safety).
Small Motor Control (BLDC/Stepper)
The PIC16F1618-I/P is purpose-built for small motor control applications including BLDC and stepper motor commutation. Its Complementary Waveform Generator (CWG) produces complementary PWM outputs with programmable dead-band control, while the 24-bit Signal Measurement Timer (SMT) captures back-EMF timing with microsecond resolution. The ZCD peripheral detects AC line zero-cross events for synchronous rectification. With 32 MHz CPU, 7 KB Flash, and Core Independent Peripherals, the MCU manages commutation logic with minimal firmware overhead, freeing CPU cycles for application-level control loops.
Recommandé
LED Lighting Drivers and TRIAC Dimming
The PIC16F1618-I/P excels in LED lighting applications requiring TRIAC phase-angle dimming. The Zero-Cross Detection (ZCD) peripheral detects AC line zero-cross events with sub-microsecond accuracy, enabling precise TRIAC firing-angle control without CPU intervention. The Numerically Controlled Oscillator (NCO) generates high-resolution PWM for constant-current LED dimming down to 0.1% duty cycle. The CLC allows hardware-implemented dimming curves without software overhead, ensuring flicker-free performance across the full dimming range.
Recommandé
Home Appliance Control
For home appliances such as washing machines, dishwashers, and HVAC fan controllers, the PIC16F1618-I/P provides integrated peripherals that reduce external component count. The 10-bit ADC samples temperature, humidity, and current-sense signals with up to 17 channels. The CWG drives TRIAC gates directly for AC load switching, while SMT captures pulse-width information from sensor inputs. Industrial temperature grade (-40C to +85C) ensures reliable operation in appliance environments with elevated ambient temperatures.
Recommandé
Industrial Fan and Pump Control
The PIC16F1618-I/P supports industrial fan and pump speed control via its PWM outputs and ADC feedback channels. The 24-bit SMT measures tachometer pulses from Hall-effect sensors for closed-loop RPM control, while the ADC monitors motor current for overload detection. PPS allows flexible pin assignment of peripheral functions, simplifying PCB layout in space-constrained industrial enclosures. The -40C to +85C industrial temperature range suits factory floor environments.
Recommandé
IoT Edge Sensor Nodes
The PIC16F1618-I/P integrates eXtreme Low Power (XLP) technology with sleep currents under 50 nA, making it suitable for battery-powered IoT sensor nodes. The 10-bit ADC samples environmental sensors, while the CLC implements hardware wake-on-event logic without CPU intervention. Peripheral Pin Select (PPS) enables flexible GPIO mapping for I2C/SPI sensor interfaces. The 7 KB Flash accommodates firmware stacks for sensor processing and low-power protocol implementations like LoRaWAN or Sub-GHz RF.
Recommandé
Smart Sensor Signal Conditioning
The PIC16F1618-I/P handles smart sensor signal conditioning by combining its 10-bit ADC with SMT and CLC peripherals. The 24-bit SMT captures precise pulse timing from optical, magnetic, or ultrasonic sensors, while CLC implements digital filtering in hardware. With 32 MHz CPU, the device performs real-time sensor fusion calculations. The ZCD peripheral detects AC mains zero-cross for line-frequency noise rejection, enhancing measurement accuracy in industrial sensor applications.
Recommandé
Automotive Body Electronics (Non-Safety)
For non-safety automotive applications such as interior lighting, HVAC controls, and accessory modules, the PIC16F1618-I/P provides adequate peripheral integration and reliability. The CWG generates complementary PWM for motor drivers in seat adjusters and mirror controls. The ZCD supports AC line sensing in vehicle applications with AC inverters. While not AEC-Q100 qualified, the -40C to +85C industrial temperature range suits cabin-mounted automotive electronics in passenger vehicles.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16F1618-I/P — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F1614-I/P | PIC16F1615-I/P | PIC16F1613-I/P | PIC16F1614-E/P | PIC16F1615-E/P | PIC16F1574-I/P |
|---|---|---|---|---|---|---|---|
| Package | 20-pin PDIP (P) | 20-pin PDIP (P) - same | 20-pin PDIP (P) - same | 20-pin PDIP (P) - same | 20-pin PDIP (P) - same | 20-pin PDIP (P) - same | 20-pin PDIP (P) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 7 KB | 4 KB | 14 KB | 7 KB | 4 KB | 14 KB | 7 KB |
| SRAM | 512 bytes | 256 bytes | 1 KB | 512 bytes | 256 bytes | 1 KB | 512 bytes |
| Operating Voltage | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C |
| CLC Peripheral | Yes | Yes | Yes | Yes | Yes | Yes | No |
| ZCD Peripheral | Yes | Yes | Yes | Yes | Yes | Yes | No |
Principaux différenciateurs
- Integrated Zero-Cross Detection (ZCD) peripheral for AC line applications (vs PIC16F1574-I/P)
- 24-bit Signal Measurement Timer (SMT) for high-precision timing capture (vs PIC16F1614-I/P)
- Complementary Waveform Generator (CWG) with dead-band control (vs PIC16F1615-I/P)
- Industrial temperature grade at lower cost than Extended grade (vs PIC16F1614-E/P)
Notes de conception
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin (pin 20) and a 10 uF bulk capacitor near the device. According to Microchip datasheet DS40001775D, inadequate decoupling can cause VDD ripple that triggers spurious resets via the brown-out detector. For battery applications, the XLP sleep modes reduce quiescent current to under 50 nA, but VDD must remain stable above 2.5V during sleep-to-active transitions.
Route ICSP programming pins (ICSPCLK and ICSPDAT) to accessible test points or a 2-pin header for in-circuit programming. The PIC16F1618 uses High-Voltage ICSP on MCLR (RA3), which requires a 13V programming voltage. Per Microchip ICSP guidelines, place a current-limiting resistor on MCLR and ensure the ICSP connector does not interfere with peripheral pins. After programming, the ICSP pins can be reassigned as GPIO using PPS.
When using the ZCD peripheral for AC line zero-cross detection, keep the ZCD input traces away from switching nodes and high-current traces. The ZCD amplifier is sensitive to noise coupling, which can cause false triggers. According to Microchip application note AN1199, add an RC filter (10 kohm + 100 pF) at the ZCD input to reject RF noise. Place the filter within 10 mm of the MCU pin.
Do not assume pinout compatibility across the PIC16F161X family. While 20-pin PDIP variants (PIC16F1613/14/15/18) share identical pinouts, 14-pin and 8-pin variants have different pin functions. The CLC, CWG, and SMT peripherals require specific pin assignments enabled by PPS configuration in firmware. According to Microchip datasheet, incorrect PPS configuration can silently route peripheral outputs to wrong pins, causing design malfunctions that are difficult to debug without an oscilloscope.
Informations de conformité
RoHS compliant per Microchip product page. Industrial temperature grade (-40C to +85C) but NOT AEC-Q100 qualified - for automotive safety applications, consider AEC-Q100 qualified PIC16 variants.