PIC16LF1825-I/P - 8-bit MCU, 14KB Flash, 32MHz, Enhanced XLP | Microchip
MPN: PIC16LF1825-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.78 | $1.78 |
| 10 | $1.62 | $16.20 |
| 100 | $1.41 | $141.00 |
| 500 | $1.22 | $610.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16LF1825-I/P Overview
An 8-bit microcontroller is a single-chip computer that combines CPU, memory, and peripherals around an 8-bit data path; the PIC16LF1825 sits in the broader hierarchy of microcontrollers -> embedded controllers -> integrated circuits -> semiconductors. The "LF" prefix denotes the wide-voltage low-power variant, and the "XLP" label identifies Microchip's proprietary low-power design philosophy that achieves sub-uA sleep currents to extend coin-cell and lithium battery life. The family uses a 14-bit instruction word (hence the 8K x 14 Flash notation) and offers 49 instructions with hardware stack and interrupt context saving.
Key features include 32MHz operation from the internal 16MHz HFINTOSC (with PLL), 10-bit ADC up to 8 channels, two comparators, PWM, EUSART, MSSP (SPI/I2C), capacitive touch mTouch peripheral, and on-chip EEPROM for non-volatile data storage. The 14-pin PDIP footprint provides breadboard-friendly through-hole assembly for prototyping, education, and hobbyist use, and the device is rated for -40C to +85C industrial operation.
Typical applications include low-power sensor nodes (wireless remote controls, IoT edge nodes), capacitive touch user interfaces (touch buttons and sliders for white goods and consumer electronics), battery-powered handheld instruments, and HVAC or industrial control loops where a simple 8-bit controller with extensive analog integration replaces discrete components. The wide voltage range and XLP sleep modes (down to ~20 nA typical sleep current) make the part a strong fit for energy-harvesting and always-on designs.
When designing with this part, place a 100nF decoupling capacitor close to VDD and a bulk capacitor on the MCLR reset pin if not tied directly to VDD. Use Microchip's MPLAB X IDE with the XC8 compiler for development and verify the specific mTouch firmware library revision against the latest errata before committing to production.
Drop-in alternatives for PIC16LF1825-I/P — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16LF1825-I/P (same form factor and footprint) — differing in Program Memory (Flash), Operating Temperature, ADC, Package, Data SRAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1825-I/P
✅ Drop-In✓ In Stock
$1.23 / Unit
View Datasheet →PIC16LF1824-I/P
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF1823-I/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.83 / Unit
View Datasheet →PIC16F1825-I/P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.23 / Unit
View Datasheet →PIC16LF1554-I/P
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16LF1705-I/P
✅ Drop-In✓ In Stock
$1.1 / Unit
View Datasheet →PIC16LF1825-I/P Maximum Ratings & Electrical Characteristics
| Core | Enhanced mid-range 8-bit PIC16 |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (internal HFINTOSC + PLL or external) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 12 |
| ADC | 10-bit, up to 8 channels |
| Comparators | 2 |
| PWM Modules | Yes (multiple CCP/ECCP) |
| Communication Peripherals | EUSART, MSSP (SPI / I2C) |
| Capacitive Touch | mTouch peripheral |
| Low-Power Technology | nanoWatt XLP |
| Operating Temperature | -40C to +85C (industrial, I-temp) |
| Package | 14-pin PDIP (P), 0.300 inch / 7.62 mm row spacing |
| Mounting Type | Through-Hole |
| RoHS Status | Compliant (Pb-free) |
PIC16LF1825-I/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 2 | RA5 — Digital I/O / analog input / Timer0 gate / mTouch channel |
| Pin 3 | RA4 — Digital I/O / analog input / Timer1 clock / SOSCO |
| Pin 4 | MCLR/VPP — Master Clear reset (active low) / programming voltage |
| Pin 5 | RA3 — Digital I/O / analog input / mTouch channel |
| Pin 6 | RC0 — Digital I/O / analog input / mTouch channel |
| Pin 7 | RC1 — Digital I/O / analog input / mTouch channel |
| Pin 8 | RC2 — Digital I/O / analog input / mTouch channel |
| Pin 9 | RC3 — Digital I/O / analog input / mTouch channel |
| Pin 10 | RC4 — Digital I/O / mTouch / SMBus I/O |
| Pin 11 | RC5 — Digital I/O / mTouch / SMBus clock |
| Pin 12 | RC6 — Digital I/O / TX/CK (EUSART) |
| Pin 13 | RC7 — Digital I/O / DT/RX (EUSART) |
| Pin 14 | VSS — Ground reference (0 V) |
Typical Applications
PIC16LF1825-I/P is suitable for 7 applications: Battery-Powered Sensor Node, Capacitive Touch User Interface, HVAC and Industrial Control, Consumer Remote Control, Handheld Measurement Instrument, Home Appliance Control, IoT Edge Sensor / Wearable Device.
Battery-Powered Sensor Node
The PIC16LF1825-I/P suits ultra-low-power wireless sensor nodes where quiescent current directly determines battery life. Its nanoWatt XLP technology achieves a typical sleep current of approximately 20 nA with retention SRAM, while the 1.8 V to 3.6 V supply range accommodates single-cell Li-ion, 2x AA, or coin cells across their full discharge curve. The 32 MHz HFINTOSC plus PLL delivers fast wake-and-measure cycles so the MCU can execute a sensor read, run compensation, transmit via EUSART or MSSP, and return to sleep quickly. Internal 256 bytes of EEPROM stores calibration constants without external parts, and the 10-bit ADC up to 8 channels handles most environmental sensors. Per the Microchip datasheet, the ADC can operate in sleep mode for further energy savings.
Recommended
Capacitive Touch User Interface
The on-chip mTouch peripheral makes the PIC16LF1825-I/P a strong fit for capacitive touch buttons, sliders, and proximity sensors in consumer appliances and industrial control panels. The CTMU (Charge Time Measurement Unit) hardware supports reliable touch detection through non-metallic overlays (glass, plastic up to a few mm thick), eliminating external touch ASICs and reducing BOM cost. The 32 MHz core runs touch scanning fast enough to handle 8-12 buttons with sub-50 ms response, and XLP sleep keeps standby consumption near nA when the user is not interacting. Designers can combine touch inputs with PWM-driven LED feedback on the same pin set, simplifying PCB layout versus discrete implementations.
Recommended
HVAC and Industrial Control
In HVAC thermostats, valve actuators, and small motor controllers, the PIC16LF1825-I/P provides just enough compute and peripheral integration to replace discrete analog loops. Two on-chip comparators implement over-temperature or over-current protection, while multiple CCP/ECCP blocks deliver PWM output for TRIAC gate drive, DC motor speed control, or solenoid actuation. The 10-bit ADC up to 8 channels scans thermistor bridges, pressure sensors, and current shunts with adequate resolution for closed-loop control. Industrial -40C to +85C temperature rating and robust ESD performance suit factory-floor deployment, while the 14-pin PDIP form factor simplifies prototyping and field service.
Recommended
Consumer Remote Control
Battery-powered IR or RF remote controls benefit from the PIC16LF1825-I/P's combination of low active current at 32 MHz (around 2 mA typical), XLP sleep currents near 20 nA, and on-chip EUSART or MSSP for transmitter interface. The 14 KB Flash comfortably fits remote control protocol stacks (NEC, RC5, KBD, BLE HIDS command glue) with room for manufacturer customization. Internal EEPROM stores pairing codes and learned key mappings across battery swaps. The wide 1.8-3.6 V range supports both alkaline 2x AA and single-cell Li-ion/LiFePO4 designs with no regulator needed.
Recommended
Handheld Measurement Instrument
Digital multimeters, clamp meters, and environmental meters use the PIC16LF1825-I/P for measurement sequencing, autoranging, LCD drive, and low-battery detection. The 32 MHz core executes RMS calculation and autoranging algorithms in real time, while the 10-bit ADC provides adequate resolution for voltage and current sensing through resistive dividers and shunt resistors. EEPROM stores calibration coefficients and last-measurement memory across battery swaps. XLP sleep and quick wake-up enable long shelf life for shipped products and instant-on response when the user presses the power button. The 14-pin PDIP keeps PCB cost down in single- and low-volume SKUs.
Recommended
Home Appliance Control
White goods such as coffee makers, microwave ovens, and small kitchen appliances use the PIC16LF1825-I/P to coordinate user inputs, drive displays, and switch mains-rated loads via optocouplers and TRIACs. The MCU's on-chip comparators detect zero-cross for synchronous TRIAC firing, while PWM channels drive small DC motors (fans, pumps) without external drivers. Wide operating voltage and industrial temperature rating allow direct connection to rectified mains with proper isolation, reducing total solution cost compared to using a separate supervisory MCU plus main controller. Internal EEPROM retains user preferences (brew strength, fan speed) across power cycles.
Recommended
IoT Edge Sensor / Wearable Device
Energy-harvesting or coin-cell wearables use the PIC16LF1825-I/P because its XLP sleep current (around 20 nA typical) lets the device wake only when a sensor event occurs, preserving battery life for years. The mTouch peripheral or wake-on-change interrupt sources enable ultra-low-power button-press detection and gesture sensing. The 32 MHz core handles BLE boot, sensor sampling, and local processing (thresholding, averaging) before handing off to an external radio. Internal EEPROM stores device IDs and provisioning data, and the 14-pin PDIP through-hole footprint simplifies hand-soldered prototype assembly for small-batch wearables and IoT pilot runs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1825-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1825-I/P | PIC16LF1824-I/P | PIC16LF1823-I/P | PIC16LF1554-I/P | PIC16LF1705-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) |
| Program Memory (Flash) | 14 KB | 14 KB | 4 KB | 8 KB | 7 KB | 16 KB |
| Data SRAM | 1 KB | 1 KB | 256 B | 512 B | 512 B | 1 KB |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply 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 | 1.8 V to 3.6 V |
| ADC | 10-bit, 8-ch | 10-bit, 8-ch | 10-bit, 8-ch | 10-bit, 8-ch | 10-bit, 8-ch | 10-bit, 8-ch |
| RoHS / Lead-Free | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
Key Differentiators
- Wide operating voltage down to 1.8 V (vs PIC16F1825-I/P)
- On-chip mTouch capacitive-sense peripheral (vs PIC16LF1824-I/P)
- Balanced memory footprint vs newer families (vs PIC16LF1705-I/P)
Design Notes
Estimated: with VDD = 3.3 V, 32 MHz active current is approximately 2 mA typical per the Microchip PIC16LF1825 datasheet. Place a 100 nF ceramic decoupling capacitor as close as practical to the VDD pin and a bulk capacitor (e.g., 10 uF) on the same rail. For battery designs, route MCLR through a 10 kohm pull-up to VDD and add a 100 nF cap if using a reset button to ensure clean brown-out behavior.
Estimated: the MCLR/VPP pin on pin 4 must NEVER be left floating - if not actively driven, tie it directly to VDD via a 10 kohm resistor. Floating MCLR can cause random resets, especially in noisy motor-control environments. When using ICSP (In-Circuit Serial Programming), do not place capacitance greater than 100 nF on MCLR or the programmer may fail to drive the line low. Verify your ICSP header connects with the correct pinout for 14-pin PDIP.
Estimated: keep analog inputs (RA3, RA4, RA5, RC0-RC3) short and away from PWM-driven switching lines to minimize coupling into the ADC. For mTouch capacitive-sense designs, keep the touch electrode traces short and avoid routing them adjacent to switching signals; provide a ground fill under the touch sensor area. The 14-pin PDIP footprint gives plenty of room for hand-prototyping but for production prefer PIC16LF1825-I/SL (SOIC-14) or PIC16LF1825-I/ST (TSSOP-14).
At 32 MHz active and VDD 3.3 V, the PIC16LF1825-I/P dissipates well under 10 mW, so thermal management is not a concern. The 14-pin PDIP package has a thermal resistance (theta_JA) of approximately 80 C/W in still air, yielding a rise of under 1 C/W per mW. No heatsinking is required. Focus thermal design effort on components that switch significant load current (LDO, motor driver) rather than the MCU itself.
Compliance Information
RoHS compliant per Microchip product page and LCSC listing. Not AEC-Q100 qualified - this part is intended for consumer/industrial applications, not automotive. For automotive, Microchip offers the PIC16F1825-I/P with AEC-Q100 qualification under different ordering code.
