PIC16F15225T-I/ST - 8-Bit MCU, 14KB Flash, 32MHz, 14-TSSOP | Microchip
MPN: PIC16F15225T-I/ST ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.97 | $0.97 |
| 10 | $0.92 | $9.20 |
| 100 | $0.83 | $83.00 |
| 500 | $0.75 | $375.00 |
| 1,000 | $0.68 | $680.00 |
| 2,500 | $0.62 | $1,550.00 |
PIC16F15225T-I/ST Overview
An 8-bit microcontroller (MCU) is a microprocessor with an 8-bit data path, optimized for embedded control tasks where deterministic behavior, low power, and small footprint outweigh the need for raw compute. Within the broader taxonomy, a PIC16F15225 belongs to the PIC16 family, then the 8-bit MCU class, then the microcontroller category, then the integrated circuit family, then the semiconductor hierarchy. 8-bit MCUs typically include an on-chip CPU, Flash program memory, SRAM, EEPROM (or data Flash), and a mix of timers, ADC, communication peripherals, and digital I/O - forming a complete compute node for sensor reading, actuator driving, and protocol bridging.
Key features of the PIC16F15225T-I/ST include Core Independent Peripherals (CIPs) such as the Configurable Logic Cell (CLC) and Numerically Controlled Oscillator (NCO), Intelligent Analog (10-bit ADC with computation), and standard communication peripherals (EUSART, SPI, I2C). The device supports eXtreme Low-Power (XLP) Sleep modes for battery applications, a Windowed Watchdog Timer (WWDT) for safety-critical firmware, and Hardware Limit Timer (HLT) for robust fault recovery.
Architecturally, the PIC16F15225 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, supporting up to 49 instructions including hardware multiply. The 32 MHz internal oscillator provides system clock without external components, while PPS allows digital peripheral I/O mapping, simplifying PCB routing. The TSSOP-14 package is among the smallest in the family, suitable for space-constrained designs.
Typical applications include low-power IoT sensor nodes, battery-operated home automation devices, consumer white goods user interfaces, LED lighting controllers, simple motor control, and portable medical peripherals. The combination of small package, low power, and a rich peripheral set makes the PIC16F15225T-I/ST well suited for cost-sensitive embedded products.
When designing with this MCU, pay attention to the Vdd range (1.8V to 5.5V), the ICSP programming pinout, and the proper decoupling scheme. In-circuit serial programming requires specific pin assignments - use the ICSP pinout in the datasheet and not the TSSOP mechanical pin numbering.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16F15225T-I/ST — 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 PIC16F15225T-I/ST (same form factor and footprint) — differing in Program Memory (Flash), Package, Core Architecture, I/O Pins, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15225-I/ST
✅ Drop-In✓ In Stock
$0.55 / Unit
View Datasheet →PIC16F15224T-I/ST
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15223T-I/ST
✅ Drop-In✓ In Stock
$0.56 / Unit
View Datasheet →PIC16F15214-I/P
✅ Drop-In✓ In Stock
$0.76 / Unit
View Datasheet →PIC16F15225T-I/ST Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit enhanced mid-range |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| Instruction Word | 14-bit |
| Maximum CPU Speed | 32 MHz |
| ADC | 10-bit |
| PWM Channels | 2 |
| CCP Modules | 2 |
| Communication Peripherals | EUSART, SPI, I2C |
| Peripheral Pin Select (PPS) | Yes |
| Core Independent Peripherals | CLC, NCO, HLT, WWDT |
| Supply Voltage (Vdd) | 1.8 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 14-TSSOP (ST) |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F15225T-I/ST Pin Configuration
| Pin 1 | RA3/AN3/MCLR — Digital I/O / analog input / Master Clear reset (input) |
| Pin 2 | RA4/AN4 — Digital I/O / analog input |
| Pin 3 | RA5/AN5 — Digital I/O / analog input |
| Pin 4 | Vss — Ground reference |
| Pin 5 | RA0/AN0 — Digital I/O / analog input |
| Pin 6 | RA1/AN1 — Digital I/O / analog input |
| Pin 7 | RA2/AN2 — Digital I/O / analog input |
| Pin 8 | RC0 — Digital I/O (PPS-capable) |
| Pin 9 | RC1 — Digital I/O (PPS-capable) |
| Pin 10 | RC2 — Digital I/O (PPS-capable) |
| Pin 11 | RC3 — Digital I/O (PPS-capable) |
| Pin 12 | RC4 — Digital I/O (PPS-capable) |
| Pin 13 | RC5 — Digital I/O (PPS-capable) |
| Pin 14 | Vdd — Positive supply (1.8V to 5.5V) |
Typical Applications
PIC16F15225T-I/ST is suitable for 6 applications: Battery-Powered IoT Sensor Node, Consumer Appliance User Interface, LED Lighting Controller, Low-Cost Motor Control (DC Fan/Pump), Portable Medical Peripheral, Industrial Sensor Interface Module.
Battery-Powered IoT Sensor Node
The PIC16F15225T-I/ST fits battery-powered IoT sensor nodes because its XLP Sleep mode draws only tens of nanoamps, extending CR2032 cell life to multi-year horizons. The 10-bit ADC with computation (ADC2) handles direct sensor interfacing for temperature, humidity, or battery voltage without an external analog front-end. PPS allows the EUSART to be mapped onto any digital pin, eliminating routing constraints in compact sensor PCBs.
Recommended
Consumer Appliance User Interface
The PIC16F15225T-I/ST is well-suited to washing-machine, dishwasher, and microwave front-panel controllers where it scans a 4x4 keypad matrix and drives an LED or character-LCD display. Its two CCP modules drive buzzer tones and PWM-dimmed LED backlights without external drivers, while the EUSART links to a host MCU for telemetry. The industrial -40C to +85C temperature grade handles appliance environments.
Recommended
LED Lighting Controller
The PIC16F15225T-I/ST runs as a single-chip LED controller for architectural and accent lighting, leveraging its two PWM channels for color-mixing RGB or warm-white dimming down to sub-1% duty cycle. Its 32 MHz speed supports DMX512 or DALI protocol decoding via the EUSART without CPU overload. PPS routes PWM outputs to any digital pin for flexible PCB layouts in small form-factor fixtures.
Recommended
Low-Cost Motor Control (DC Fan/Pump)
The PIC16F15225T-I/ST drives small DC fans or pumps via a PWM channel with hardware limit timer (HLT) fault protection, shutting down the output within microseconds of detecting a stall. The 10-bit ADC reads back current or RPM feedback for closed-loop control, and the WWDT prevents firmware lockup in unattended installations. The 14-TSSOP footprint fits inside miniature fan housings.
Recommended
Portable Medical Peripheral
The PIC16F15225T-I/ST operates as a companion MCU in portable medical peripherals such as pulse-oximeter cables, Bluetooth pulse-oximeter dongles, or digital thermometers. Its on-chip 10-bit ADC captures pulse waveforms or thermopile voltage, while the EUSART/SPI ports link to a BLE SoC like the RN4870 for wireless telemetry. Industrial temp grade and 1.8V Vdd support direct Li-coin cell operation.
Recommended
Industrial Sensor Interface Module
The PIC16F15225T-I/ST serves as a UART-to-I2C/SPI bridge for industrial sensor modules, where its PPS flexibility routes the EUSART and I2C peripherals to any pair of I/O pins for easier PCB routing. CLC and NCO peripherals implement custom timing sequences (e.g., 4-20 mA loop test pulses) without burdening the CPU. Industrial -40C to +85C operation is rated for control cabinets.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15225T-I/ST — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15225-I/ST | PIC16F15224T-I/ST | PIC16F15223T-I/ST | PIC16F15214-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-TSSOP | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP (tube) - same |
| Flash Program Memory | 14 KB | 14 KB | 12 KB (-14%) | 8 KB (-43%) | 7 KB (-50%) |
| Data SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| PWM Channels | 2 | 2 | 2 | 2 | 2 |
| PPS (Peripheral Pin Select) | Yes | Yes | Yes | Yes | Yes |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Approx. Unit Price (qty 1) | $0.97 | $0.94 | $0.91 | $0.86 | $0.89 |
Key Differentiators
- Largest Flash in the 14-pin TSSOP PIC16F152xx family (vs PIC16F15224T-I/ST)
- Same TSSOP-14 footprint with full peripheral parity (vs PIC16F15214-I/P)
- Tape and reel packaging for high-volume SMT (vs PIC16F15225-I/ST)
Design Notes
Decouple Vdd (pin 14) with a 100 nF X7R ceramic capacitor placed within 3 mm of the pin and a bulk 4.7 uF tantalum or aluminum polymer cap on the same rail. The XLP Sleep mode current drops to tens of nA only if all digital inputs are driven to defined logic levels (not floating) and the ADC is disabled. Adding a 10 MOhm pull-up on MCLR prevents spurious resets in noisy environments while still allowing ICSP programming.
Route ICSP signals (ICSPCLK on RA0 and ICSPDAT on RA1) with short, parallel traces guarded by a ground trace on each side. Avoid routing high-current switching signals (PWM outputs driving MOSFET gates) directly over the MCU's analog input traces (AN0-AN5) to prevent capacitive coupling; cross at right angles if unavoidable. Use a continuous ground pour on the top layer under the MCU's exposed TSSOP-14 paddle-adjacent area to dissipate switching noise and improve thermal performance.
Do not confuse the TSSOP-14 mechanical pin numbering with the device's logical pin mapping - RA0/RA1 share physical pins 5 and 6 on TSSOP-14 but pins 8/9 in the package datasheet drawing. Always consult the pin allocation table in the PIC16F15213/14/23/24/43/44 family datasheet when laying out the PCB. Estimated: a typical 14-TSSOP land pattern dimensions are approximately 5.0 mm x 4.4 mm with 0.65 mm pitch; cross-check with the package mechanical drawing before finalizing layout.
The PPS (Peripheral Pin Select) feature allows remapping of digital peripheral functions (UART TX/RX, SPI SCK/SDO/SDI, PWM, CCP) to any of the RC0-RC5 or RA0-RA5 digital I/O pins, which greatly simplifies PCB routing. However, PPS is one-way: a peripheral function assigned to a pin must be explicitly unlocked via the PPSLOCK register before reconfiguration, and analog functions (ANx inputs) cannot be remapped. Always lock PPS settings after configuration to prevent accidental writes from runaway firmware.
Compliance Information
RoHS and lead-free compliance confirmed via Microchip product page and DigiKey listing; halogen-free status not explicitly listed in provided web data. Not AEC-Q100 qualified - choose an automotive-grade PIC16F15225 variant (separate part number) for automotive applications.
