PIC16F15224-E/SL - 8-Bit 32MHz 7KB Flash MCU | Microchip
MPN: PIC16F15224-E/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.82 | $0.82 |
| 10 | $0.74 | $7.40 |
| 100 | $0.66 | $66.00 |
| 500 | $0.59 | $295.00 |
| 1,000 | $0.52 | $520.00 |
PIC16F15224-E/SL Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM), and programmable peripherals onto one silicon die. PIC microcontrollers use a Harvard RISC architecture with separate program and data buses, giving deterministic instruction timing and low interrupt latency. The PIC16F15224 sits in the 'enhanced mid-range' tier, between baseline PIC10/12/16 and the higher-end PIC18 families, balancing code density, peripheral set, and ultra-low-power (XLP) operation for battery-friendly applications.
Key features include Peripheral Pin Select (PPS) for flexible I/O routing, an integrated 10-bit ADC with computation, two PWM modules and two CCP (Capture/Compare/PWM) channels, hardware UART (EUSART), and Master SSP for SPI/I2C. Core Independent Peripherals (CIPs) such as the CRC/SCAN, CWG (Complementary Waveform Generator), and NCO (Numerically Controlled Oscillator) let designers offload timing-critical tasks from the CPU. eXtreme Low-Power (XLP) technology with the IDLE/DOZE modes and Sleep current under 1 uA enables years-long battery life on coin cells.
Typical applications include IoT sensor nodes, home appliances, LED lighting controls, low-cost motor control, and consumer HMI. The wide operating voltage range (1.8V to 5.5V) and extended temperature grade also suit industrial monitoring and HVAC controls. Designers migrating from older PIC16F1xxx parts gain PPS flexibility, more PWM channels, and the ADC-with-computation accelerator for averaging in firmware-free hardware.
When designing with this part, place a 0.1uF decoupling capacitor as close to VDD as possible and use PPS to remap peripherals away from noisy digital pins. Program the WDT for fail-safe recovery in industrial environments, and verify the BOR threshold against your power-rail tolerances before locking firmware.
Drop-in alternatives for PIC16F15224-E/SL — 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 PIC16F15224-E/SL (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Program Memory (Flash), Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F15224-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F15223-I/SL
✅ Drop-In✓ In Stock
$0.53 / Unit
View Datasheet →PIC16F15214-E/SN
✅ Drop-In✓ In Stock
$0.48 / Unit
View Datasheet →PIC16F15213-E/SN
✅ Drop-In✓ In Stock
$0.49 / Unit
View Datasheet →PIC16F1503-I/ST
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.94 / Unit
View Datasheet →PIC16F15224-E/SL Maximum Ratings & Electrical Characteristics
| Core Architecture | Enhanced Mid-Range 8-bit PIC16 |
| Instruction Set | 49 instructions, 16-level hardware stack |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data Memory (SRAM) | 512 bytes |
| Maximum CPU Frequency | 32 MHz |
| ADC | 10-bit, multiple channels |
| PWM Modules | 2 |
| CCP Modules | 2 |
| Communication Peripherals | EUSART (UART), MSSP (SPI/I2C) |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Operating Temperature Range | -40 C to +125 C (E grade) |
| Package | 14-pin SOIC (SL) |
| Mounting Type | Surface Mount |
| Low-Power Feature | eXtreme Low Power (XLP), IDLE/DOZE/Sleep modes |
| I/O Pin Count | Up to 11 with PPS remapping |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Functional Safety | FuSa-ready family (per DigiKey product page) |
PIC16F15224-E/SL Pin Configuration
| Pin 1 | RA5 — I/O / ICSPCLK |
| Pin 2 | RA4 — I/O |
| Pin 3 | RA3 — I/O / MCLR |
| Pin 4 | RA2 — I/O |
| Pin 5 | RA1 — I/O / ICSPI |
| Pin 6 | RA0 — I/O |
| Pin 7 | VSS — Ground |
| Pin 8 | RA7 — I/O |
| Pin 9 | RA6 — I/O / OSC1 |
| Pin 10 | RB5 — I/O |
| Pin 11 | RB4 — I/O |
| Pin 12 | RB3 — I/O |
| Pin 13 | RB2 — I/O |
| Pin 14 | VDD — Positive supply |
Typical Applications
PIC16F15224-E/SL is suitable for 6 applications: Battery-Powered IoT Sensor Node, LED Lighting and Dimming Control, Small Home Appliance Control Board, Low-Cost BLDC or DC Motor Control, Industrial Sensor and Process Monitor, Consumer Human-Machine Interface (HMI).
Battery-Powered IoT Sensor Node
The PIC16F15224-E/SL fits battery-powered IoT sensor nodes where its eXtreme Low Power (XLP) Sleep current under 1 uA and wide 1.8V-5.5V supply let it run for years on a coin cell. The integrated 10-bit ADC with computation directly digitizes analog sensors (temperature, light, gas) while the EUSART/MSSP link to sub-GHz or BLE modules. The 32 MHz CPU closes sensor-processing loops quickly so the CPU can return to Sleep, minimizing average current. PPS remapping means the same PCB serves multiple sensor boards - perfect for a high-MSKU product family.
Recommended
LED Lighting and Dimming Control
For LED drivers and dimmers, the PIC16F15224-E/SL delivers four PWM/CCP outputs plus a CWG (Complementary Waveform Generator) that drives half-bridges for high-brightness LEDs without CPU overhead. The 32 MHz clock and 10-bit ADC give smooth logarithmic dimming curves and accurate color mixing in RGBW fixtures. The extended -40C to +125C temperature range handles the thermal stress inside enclosed luminaires and outdoor fixtures. PPS flexibility means a single firmware image supports multiple PCB layouts.
Recommended
Small Home Appliance Control Board
Coffee makers, blenders, air purifiers, and other small home appliances benefit from the PIC16F15224-E/SL's combination of 7 KB Flash, EUSART for HMI displays, and the NCO for capacitive-touch sensing. The enhanced mid-range core gives responsive button handling while XLP Sleep keeps standby power below regulatory limits for Energy Star ratings. The -40C to +125C grade handles kitchen heat, and the SOIC-14 footprint is hand-solder-friendly for prototyping small-batch appliances.
Recommended
Low-Cost BLDC or DC Motor Control
The PIC16F15224-E/SL handles small brushless or brushed DC motors in fans, pumps, and toys using its two PWM channels plus two CCP channels and the CWG peripheral for complementary drive. At 32 MHz, the device generates 20 kHz+ PWM well above audible noise, and the 10-bit ADC samples back-EMF for sensorless control loops. The enhanced mid-range instruction set executes PID computations in single-digit microseconds, leaving the CPU idle for low average power. Industrial temp grade supports under-hood automotive accessories and outdoor fans.
Recommended
Industrial Sensor and Process Monitor
Industrial 4-20 mA loop sensors, HVAC transmitters, and panel meters use the PIC16F15224-E/SL because its extended -40C to +125C temperature range, 1.8V-5.5V supply tolerance, and 10-bit ADC handle rugged environments. The integrated EUSART drives RS-485 nodes directly via a transceiver, and the MSSP supports SPI/I2C digital sensors. With 7 KB Flash, firmware fits calibration tables and MODBUS protocol stacks without external memory. PPS remapping keeps analog inputs away from switching noise on the PCB.
Recommended
Consumer Human-Machine Interface (HMI)
For consumer HMI boards in smart-home panels, remote controls, and small appliances, the PIC16F15224-E/SL drives LED matrices, segment displays, and capacitive touch via the CWG, NCO, and PWM channels without external logic. The EUSART and MSSP connect to Wi-Fi/BLE modules over UART or SPI. With 7 KB Flash and 512 B SRAM, the MCU holds application code, user presets, and communication stacks. Low Sleep current lets battery-powered remotes last multiple years on a pair of AA cells.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F15224-E/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F15224-I/SL | PIC16F15223-I/SL | PIC16F15214-E/SN | PIC16F15213-E/SN |
|---|---|---|---|---|---|
| Package | 14-pin SOIC (SL) | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SN) - same | 14-pin SOIC (SN) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB (4K x 14) | 7 KB (4K x 14) | 3.5 KB | 7 KB | 3.5 KB |
| SRAM | 512 B | 512 B | 256 B | 256 B | 256 B |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +125C |
| Operating Voltage | 1.8V to 5.5V | 1.8V to 5.5V | 1.8V to 5.5V | 1.8V to 5.5V | 1.8V to 5.5V |
| PWM Channels | 2 PWM + 2 CCP | 2 PWM + 2 CCP | Reduced | 2 PWM + 2 CCP | Reduced |
| Unit Price (1 pc, approx) | $0.82 | ~$0.80 | ~$0.70 | ~$0.85 | ~$0.72 |
Key Differentiators
- Extended industrial temperature grade in same SOIC-14 footprint (vs PIC16F15224-I/SL)
- Higher Flash and SRAM than 15223/15213 family members (vs PIC16F15223-I/SL)
- Functional Safety (FuSa) ready for safety-critical designs (vs PIC16F1503-I/ST)
Design Notes
Decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of the VDD pin; add a bulk 1-10 uF capacitor if driving multiple loads from the same rail. Enable the internal BOR (Brown-Out Reset) in CONFIG1 to hold the part in reset until VDD crosses the safe threshold - critical for battery and industrial supplies where VDD may droop below 1.8V during motor transients. The eXtreme Low Power Sleep mode keeps current under 1 uA but disables the WDT; configure the WDT separately if fail-safe recovery is needed.
The 14-pin SOIC package has a thermal resistance (theta_JA) of approximately 100 C/W. At maximum supply (5.5V) and active CPU at 32 MHz, internal dissipation stays well below 50 mW, so no heatsinking is required. However, if the design drives high-current loads directly from I/O pins (>25 mA per pin, 75 mA total), calculate the I/O power contribution separately and verify junction temperature stays below +125C for the E temperature grade.
Route the ICSP clock and data lines (ICSPCLK on RA5 and ICSPDAT on RA1) directly to a 0.1-inch header or test pad so the device can be programmed in-circuit without removing the MCU. Keep ADC analog inputs physically separated from PWM digital outputs and route analog ground as a quiet island joined to digital ground at a single point near the VDD decoupling capacitor. The SOIC-14 footprint has 1.27 mm pin pitch - use 0.3 mm drill, 0.6 mm pad for hand soldering.
Do not forget to configure PPS (Peripheral Pin Select) before assigning peripheral functions to I/O pins - by default, peripherals map to specific pins that may not match your schematic. Always read the device ID and revision at startup before enabling peripherals, especially when migrating between PIC16F152xx variants (15224/15223/15214/15213), since some CIP registers differ. Ensure the MCLR pin (RA3) is either tied to VDD through a 10 kOhm pull-up or driven by the programmer; leaving it floating causes erratic resets.
Place the decoupling capacitor on the same PCB layer as the MCU with vias kept short. Keep the quartz crystal (if used) within 5 mm of the OSC pins, surrounded by a guard ring tied to ground. For EMI-sensitive designs, route EUSART lines as a differential pair with matched length and 50 ohm impedance, and place a ferrite bead on VDD if the supply comes from a switching regulator.
Compliance Information
RoHS compliant per DigiKey listing; PIC16F15224 family is documented as Functional Safety (FuSa) ready on DigiKey but not AEC-Q100 qualified - check the 'F' variant for automotive qualification if needed.
