PIC16F18425-I/P - 8-Bit 32MHz 14KB Flash XLP MCU | Microchip
Teilenummer: PIC16F18425-I/P ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $2.55 | $2,55 |
| 10 | $2.31 | $23,10 |
| 100 | $1.94 | $194,00 |
| 500 | $1.71 | $855,00 |
| 1.000 | $1.52 | $1.520,00 |
PIC16F18425-I/P Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and a rich set of peripheral blocks. Within the broader taxonomy, MCUs sit inside microcontrollers (integrated circuits), then semiconductors, and are the central building block of nearly every embedded electronic product. The 8-bit PIC core uses a RISC-style Harvard architecture and is one of the longest-lived and most broadly deployed MCU architectures in industry.
Key features of the PIC16F18425 include a 12-bit ADCC (Analog-to-Digital Converter with Computation), a 5-bit DAC, two PWMs, a Comparator, a Complementary Waveform Generator (CWG), and serial interfaces including EUSART, SPI, and I2C. Functional Safety (FuSa) features are documented for safety-critical applications. The wide 2.5V/3.3V/5V operating range and XLP sleep currents in the nanoampere range make the device well suited to battery-powered and energy-harvesting designs.
The device uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word. Internal peripherals such as the CWG, PWMs, and configurable logic cells can operate without CPU intervention, reducing firmware complexity and active-mode power. The integrated 12-bit ADCC automates averaging, oversampling, and threshold comparisons, eliminating many external analog components and shortening firmware development.
Typical applications include IoT sensor nodes, battery-powered home automation, low-power wireless sensor transmitters, HVAC control panels, consumer white-goods user interfaces, and industrial sensor readout boards. The 14-pin PDIP form factor is favored for hobbyist projects, breadboarding, and through-hole assembly in low-volume production.
When designing with the PIC16F18425, use MPLAB X IDE with the XC8 compiler and program/debug with a PICkit™ 4 or Snap debugger. Configure unused pins as outputs and connect VDD/VSS to properly decoupled rails. For lowest sleep current, disable unused peripherals via firmware.
This page synthesizes distributor pricing, drop-in alternatives from Microchip's PIC16F18424/18426 family, and practical low-power design notes not found in the manufacturer datasheet alone.
Drop-in-Alternativen für PIC16F18425-I/P – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC16F18425-I/P (gleiche Bauform und Footprint) – abweichend in ADC, Package, I/O Pins, Comparators, DAC.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC16F18424-I/P
✅ Drop-In✓ Auf Lager
$0.81 / Stück
Datenblatt ansehen →PIC16F18426-I/P
✅ Drop-In✓ Auf Lager
$1.18 / Stück
Datenblatt ansehen →PIC16F18445-I/P
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC16F18345-I/P
✅ Drop-In✓ Auf Lager
$1.55 / Stück
Datenblatt ansehen →PIC16F1825-I/P
✅ Drop-In✓ Auf Lager
$1.23 / Stück
Datenblatt ansehen →PIC16F18425-I/P Grenzwerte & elektrische Eigenschaften
| Core | 8-bit PIC XLP RISC |
| Family | PIC16(L)F184xx |
| CPU Speed | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 1 KB |
| Operating Voltage | 2.5 V / 3.3 V / 5 V |
| I/O Pins | 11 (standard) |
| Gehäuse | 14-pin PDIP |
| ADC | 12-bit ADCC |
| DAC | 5-bit DAC |
| PWM Channels | 2 |
| Comparator | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Communication | EUSART, SPI, I2C |
| XLP Technology | Yes (nanoamp sleep currents) |
| Functional Safety (FuSa) | Documented |
| Betriebstemperatur | -40 °C to +85 °C (industrial) |
| Montageart | Through-Hole |
| RoHS-Status | Compliant |
| Lead-Free | Yes |
PIC16F18425-I/P Pin-Konfiguration
| Pin 1 | VDD — Positive supply voltage (2.5V–5.5V) |
| Pin 2 | RA5 — I/O port A bit 5 / analog input / DAC reference |
| Pin 3 | RA4 — I/O port A bit 4 / analog input / Timer0 clock |
| Pin 4 | RA3 — I/O port A bit 3 / analog input / MCLR (input only) |
| Pin 5 | RC5 — I/O port C bit 5 / analog input / PWM output |
| Pin 6 | RC4 — I/O port C bit 4 / analog input |
| Pin 7 | RC3 — I/O port C bit 3 / analog input / SPI/I2C clock |
| Pin 8 | RC2 — I/O port C bit 2 / analog input |
| Pin 9 | RC1 — I/O port C bit 1 / analog input / EUSART TX |
| Pin 10 | RC0 — I/O port C bit 0 / analog input / EUSART RX |
| Pin 11 | RA2 — I/O port A bit 2 / analog input / DAC output |
| Pin 12 | RA1 — I/O port A bit 1 / analog input / ICSP data |
| Pin 13 | RA0 — I/O port A bit 0 / analog input / ICSP clock |
| Pin 14 | VSS — Ground reference |
Typische Anwendungen
PIC16F18425-I/P ist geeignet für 6 Anwendungs: Battery-Powered IoT Sensor Node, Home Automation Control Panel, Hobbyist and Breadboard Prototyping, Industrial Sensor Readout Module, Low-Power Wireless Sensor Transmitter, Consumer White-Goods User Interface.
Battery-Powered IoT Sensor Node
The PIC16F18425-I/P's XLP technology delivers nanoamp-level sleep current, making it ideal for coin-cell or 2×AA battery-powered IoT sensor nodes that wake briefly to read a sensor and return to sleep. The 32 MHz core handles sensor linearization, time stamping, and stack housekeeping within milliseconds, while the integrated 12-bit ADCC digitizes thermistor, photocell, or load-cell outputs without an external analog front end. The CWG can synthesize low-power piezo buzzer tones for alarms without CPU overhead. Engineers typically pair it with a sub-GHz or BLE module over SPI/I2C and achieve multi-year battery life on a single CR2032.
Empfohlen
Home Automation Control Panel
The PIC16F18425-I/P fits wall-mount home automation keypads and HVAC control panels where its 14-pin PDIP footprint keeps the through-hole BOM affordable. The 12-bit ADCC reads NTC temperature sensors for thermostat feedback, while the EUSART drives RS-485 to the central controller. Two PWMs control a triac driver for heating/cooling stages, and the CWG generates the backlight LED driver's PWM without timer contention. With Microchip's documented FuSa support, the part also serves safety-relevant sub-systems such as over-temperature cutoffs in appliance control boards.
Empfohlen
Hobbyist and Breadboard Prototyping
The PIC16F18425-I/P's 14-pin PDIP form factor is the friendliest for hand-wired breadboard prototyping and educational use. Students can swap the chip in seconds without SMD rework, while still benefiting from 32 MHz performance, 14 KB Flash, 12-bit ADCC, and a full set of CIPs. Programs are loaded via PICkit 4 or Snap using the ICSP header, and the MPLAB X IDE + XC8 toolchain is free for Windows, macOS, and Linux. The PDIP package retains pinout compatibility with the 18424 and 18426 siblings, so students can grow code without re-laying out the board.
Empfohlen
Industrial Sensor Readout Module
For industrial 4–20 mA loop-powered sensor readouts, the PIC16F18425-I/P delivers the precision of its 12-bit ADCC plus its 5-bit DAC for loop excitation calibration. The integrated EUSART with LIN support suits industrial networking, while the comparator and reference FVR give a robust threshold-detect path for fault flagging. Industrial temperature range (-40 °C to +85 °C for the I-suffix) supports deployment in factory-floor enclosures. With Functional Safety documentation from Microchip, designers can integrate the part into safety-relevant sensor channels with appropriate firmware discipline.
Empfohlen
Low-Power Wireless Sensor Transmitter
The PIC16F18425-I/P's nanoamp sleep current and 32 MHz active mode make it a strong host for low-power wireless transmitters such as LoRa, Sigfox, or proprietary sub-GHz modules. The MCU spends most of its life in sleep with a periodic RTC wake-up, bursts the SPI-attached radio for a few milliseconds, then returns to sleep. The 12-bit ADCC reads battery voltage and sensor data on demand, and the 14 KB Flash accommodates small protocol stacks plus application code. Microchip's documented FuSa support is also valuable for safety-alert wireless nodes.
Empfohlen
Consumer White-Goods User Interface
In white-goods control boards (washing machines, dishwashers, microwave ovens), the PIC16F18425-I/P runs the user-interface MCU: it scans the keypad matrix, drives 7-segment or LED displays via PWMs, and routes push-button events over SPI/I2C to the main appliance controller. The wide 2.5V–5.5V supply range accepts unregulated 5V rails directly. The CWG produces buzzer tones without timer conflict, and the comparator handles over-temperature or water-level threshold detection. With Microchip FuSa documentation, designers can also use it for safety interlocks such as door-lock signaling.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC16F18425-I/P – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC16F18424-I/P | PIC16F18426-I/P | PIC16F18445-I/P | PIC16F18345-I/P | PIC16F1825-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin PDIP | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same |
| Flash Memory | 14 KB | 7 KB | 28 KB | 14 KB | 14 KB | 14 KB |
| RAM | 1 KB | 512 B | 2 KB | 1 KB | 1 KB | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 10-bit ADC | 10-bit ADC |
| DAC | 5-bit DAC | 5-bit DAC | 5-bit DAC | 5-bit DAC | 5-bit DAC | 5-bit DAC |
| Functional Safety (FuSa) | Documented | Documented | Documented | Documented | Not documented | Not documented |
| XLP Sleep Current | Nanoamp level | Nanoamp level | Nanoamp level | Nanoamp level | Nanoamp level | Low (microamp level) |
Wichtigste Unterscheidungsmerkmale
- Smaller-Flash drop-in for cost-sensitive designs (vs. PIC16F18424-I/P)
- Larger-Flash drop-in for ambitious firmware (vs. PIC16F18426-I/P)
- Functional Safety documentation for safety-critical use (vs. PIC16F18345-I/P)
Designhinweise
Estimated: at VDD = 5V with the MCU in sleep and peripherals disabled, the PIC16F18425 XLP sleep current is in the tens of nanoamperes per the datasheet typical characteristics. To achieve this, configure all unused peripherals OFF via PMD registers, switch unused pins to outputs (lowest leakage state), disable the ADC, and use a low-power BOR. In active mode at 32 MHz, expect 4–8 mA depending on peripheral gating. Use the IDLE mode for event-driven peripherals such as CWG or timer-driven wake-ups to avoid the full active-mode current.
Place a 100 nF ceramic decoupling capacitor as close as possible to pins 1 (VDD) and 14 (VSS), and add a bulk 1–10 µF capacitor near the VDD rail. Keep the ICSP lines (RA0/RA1) accessible for PICkit™ 4 / Snap debugger connection during prototyping, and consider a 10 kΩ pull-up on MCLR (RA3). For mixed-signal designs, isolate analog traces (RA2–RA5) from digital switching lines and provide a separate analog ground return to the regulator star point.
Avoid leaving floating pins on the PIC16F18425 - always configure unused pins as outputs or inputs with the internal weak pull-up enabled, since floating CMOS inputs can drift into the linear region and waste microamps. When migrating from PIC16F1825 firmware, verify the new 12-bit ADCC configuration registers (ADCON, ADCLK, ADREF) - register names differ from the older 10-bit ADC. Confirm interrupt vector assignments and the new CWG configuration since the 18425 CWG is richer than the 1825 CWG. Always program the configuration words (CONFIG1, CONFIG2) early in firmware; an unprogrammed device defaults to safe but inactive states.
For SPI/I2C buses running above 1 MHz, add 4.7–10 kΩ pull-up resistors on I2C lines and use short, impedance-controlled traces. The 12-bit ADCC sampling of high-impedance sources benefits from a source impedance below 10 kΩ; add a unity-gain buffer (e.g., MCP6001) if the sensor output impedance is higher. The 5-bit DAC is best used as a static reference rather than a high-frequency waveform source, since it lacks dedicated output drive.
Compliance-Informationen
RoHS and REACH compliant per Microchip product page; industrial temperature grade I-suffix (-40 °C to +85 °C); Functional Safety documentation available from Microchip for the PIC16(L)F184xx family
