PIC16F1615T-I/SL - 8-Bit MCU, 14KB Flash, 32MHz | Microchip
MPN: PIC16F1615T-I/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.05 | $1.05 |
| 10 | $0.95 | $9.50 |
| 100 | $0.86 | $86.00 |
| 500 | $0.78 | $390.00 |
| 1,000 | $0.7 | $700.00 |
PIC16F1615T-I/SL Overview
What is an 8-bit microcontroller? An MCU (microcontroller unit) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a configurable set of peripherals onto one silicon die. The 8-bit designation refers to the width of the internal data path and ALU; PIC16 cores use a RISC Harvard architecture with 14-bit instruction words. Within the broader semiconductor taxonomy, MCUs belong to the embedded processor family alongside 32-bit Cortex-M parts, and they sit under the application hierarchy of microcontrollers -> processors -> semiconductors.
Key features of the PIC16F1615 include a 10-bit A/D converter with multiple channels, a Capture/Compare/PWM (CCP) module, a 24-bit Signal Measurement Timer (SMT), and Zero-Cross Detection (ZCD) hardware for TRIAC-based AC control. The XLP™ (eXtreme Low Power) designation indicates the device targets battery-powered applications through sub-microamp sleep currents and nanoWatt XLP technology. Operating voltages of 2.5V, 3.3V, and 5V are all supported, which simplifies integration across 2-cell battery, coin-cell, and regulated-rail designs.
Typical applications include small motor control (especially brushed DC and low-voltage steppers), LED lighting drivers with TRIAC dimming, household appliance control boards, and general-purpose sensor hubs. The 14-pin footprint is the smallest in the PIC16F161X family, making this part attractive when board area is constrained but the richer 20-pin feature set is not required.
When designing with this MCU, place a 0.1 µF decoupling capacitor within 2 mm of the VDD pin and route the ICSP™ programming signals (ICSPCLK/ICSPDAT) to a 5-pin header compatible with Microchip debuggers such as PICkit™ 4 or MPLAB® Snap. The 'T' suffix in the part number denotes tape-and-reel packaging, while the 'I' indicates the -40 °C to +85 °C industrial temperature grade.
Drop-in alternatives for PIC16F1615T-I/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 PIC16F1615T-I/SL (same form factor and footprint) — differing in ADC, Package, Core, MSL Level, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1615-I/SL
✅ Drop-In✓ In Stock
$1.12 / Unit
View Datasheet →PIC16F1614-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1613-I/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1615-E/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1575-I/SL
✅ Drop-In✓ In Stock
$0.93 / Unit
View Datasheet →PIC16F1455-I/SL
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1615T-I/SL Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data Memory (RAM) | 1 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.5 V / 3.3 V / 5 V |
| ADC | 10-bit |
| Package | 14-pin SOIC (SL) |
| Pin Count | 14 |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Temperature Grade | Industrial -40 °C to +85 °C (I suffix) |
| Family | PIC® XLP™ 16F, Functional Safety (FuSa) |
| Special Features | 10-bit ADC, CCP, 24-bit SMT, Zero-Cross Detect, XLP low power |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16F1615T-I/SL Pin Configuration
| Pin 1 | RA0/ICSPDAT — Bidirectional I/O / ICSP data |
| Pin 2 | RA1/ICSPCLK — Bidirectional I/O / ICSP clock |
| Pin 3 | RA2 — Bidirectional I/O |
| Pin 4 | RA3/MCLR — Input only / Master Clear reset |
| Pin 5 | RA4 — Bidirectional I/O |
| Pin 6 | RA5 — Bidirectional I/O |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA6 — Bidirectional I/O |
| Pin 9 | RA7 — Bidirectional I/O |
| Pin 10 | RB4 — Bidirectional I/O |
| Pin 11 | RB5 — Bidirectional I/O |
| Pin 12 | RB6 — Bidirectional I/O |
| Pin 13 | RB7 — Bidirectional I/O |
| Pin 14 | VDD — Positive power supply |
Typical Applications
PIC16F1615T-I/SL is suitable for 7 applications: Small Motor Control (Brushed DC), LED Lighting with TRIAC Dimming, Household Appliance Control Boards, Battery-Powered Sensor Hubs, Automotive Body Electronics (Sub-Systems), Industrial Control Panels and HMI Sub-Boards, Smart Home Edge Devices.
Small Motor Control (Brushed DC)
The PIC16F1615T-I/SL is purpose-built for small brushed-DC and low-voltage stepper motor control in 14-pin-constrained designs. Its 32 MHz CPU closes current-control loops fast enough for 4 kHz PWM, while the integrated 24-bit SMT (Signal Measurement Timer) measures back-EMF periods for sensorless commutation. The Zero-Cross Detection (ZCD) peripheral and CCP module combine to drive MOSFET H-bridges with hardware dead-time insertion. Compared with larger 20-pin PIC16F161X variants, this 14-pin SOIC drops digital I/O to the minimum needed for enable/direction/fault lines, freeing board area for the power stage.
Recommended
LED Lighting with TRIAC Dimming
The PIC16F1615T-I/SL excels in AC-powered LED retrofit lamps and luminaires that require TRIAC dimmer compatibility. The integrated Zero-Cross Detection (ZCD) peripheral detects AC line zero-crossings without external optocouplers, enabling synchronized TRIAC latching and dimmer compatibility algorithms. The XLP technology keeps sleep current sub-µA, critical when the lamp must remain responsive to wall-switch commands while consuming <100 mW standby. The 10-bit ADC reads analog dimmer feedback or temperature sensors for thermal foldback protection, while the 14-pin SOIC footprint fits inside the GU10/E27 lamp form factor.
Recommended
Household Appliance Control Boards
The PIC16F1615T-I/SL is well suited to white-goods control boards such as coffee makers, rice cookers, washing-machine sub-boards, and small kitchen appliances. The 14 KB Flash accommodates state-machine firmware plus a small Modbus or UART service interface, while 1 KB of RAM is sufficient for sensor-fusion buffers. The industrial -40 °C to +85 °C temperature range handles under-cabinet and garage installations. Functional-safety features required by IEC 60730 Class B can leverage the PIC16F161X FuSa peripherals, reducing external watchdog components.
Recommended
Battery-Powered Sensor Hubs
The PIC16F1615T-I/SL leverages XLP (eXtreme Low Power) technology to deliver multi-year battery life in wireless sensor nodes for HVAC, agricultural, and building-automation applications. Sleep currents below 1 µA combined with the 32 MHz wake-up time allow duty-cycled operation at <0.1% average current draw. The 10-bit ADC supports multiple analog sensors (temperature, humidity, light), and the small 14-pin SOIC fits in coin-cell holders. The 2.5V operating range enables direct 2x AA alkaline or single-cell Li-primary power without boost converters.
Recommended
Automotive Body Electronics (Sub-Systems)
In non-safety-critical automotive body modules such as seat heaters, ambient lighting controllers, and HVAC blend-door actuators, the PIC16F1615T-I/SL provides the right balance of peripheral count and AEC-Q100-style robustness in the Microchip automotive portfolio. The 10-bit ADC reads NTC thermistors for seat-temperature feedback, while PWM outputs drive heating elements via MOSFET gates. Although this specific -SL variant is industrial grade, the PIC16F161X family is widely deployed in automotive sub-assemblies where 14 pins suffice and the wider AEC-Q100 PIC16F1615-E/SL is available for harsher thermal environments.
Recommended
Industrial Control Panels and HMI Sub-Boards
The PIC16F1615T-I/SL serves as a sub-processor in industrial control panels, handling button matrix scanning, LED indicator driving, and UART bridging to a main PLC or HMI controller. Its 32 MHz core scans 4x4 button matrices in <100 µs with full debounce, while the CCP module generates tones for piezo buzzers on alarm events. The 14-pin SOIC footprint is small enough to mount on the back of a button PCB. Industrial -40 °C to +85 °C operation handles factory-floor environments without conformal coating requirements.
Recommended
Smart Home Edge Devices
The PIC16F1615T-I/SL handles edge intelligence in smart-home devices such as motorized curtain controllers, occupancy sensors, and small valve actuators. Its 10-bit ADC interfaces directly with PIR sensors and LDR light detectors, while the PWM outputs drive low-voltage DC motors for curtain rails. The XLP low-power features enable battery-powered window/door sensors with 5+ year coin-cell lifetimes. UART/SPI connectivity passes aggregated sensor data to a higher-level hub processor or wireless MCU running Zigbee/Thread/Matter protocols.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1615T-I/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1615-I/SL | PIC16F1614-I/SL | PIC16F1613-I/SL | PIC16F1615-E/SL | PIC16F1575-I/SL | PIC16F1455-I/SL |
|---|---|---|---|---|---|---|---|
| Package | 14-pin SOIC (SL) | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same | 14-pin SOIC (SL) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 7 KB | 7 KB | 14 KB | 14 KB | 14 KB |
| RAM | 1 KB | 1 KB | 512 B | 512 B | 1 KB | 1 KB | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 48 MHz (with USB) |
| Operating Voltage | 2.5 V / 3.3 V / 5 V | 2.5 V / 3.3 V / 5 V | 2.5 V / 3.3 V / 5 V | 2.5 V / 3.3 V / 5 V | 2.5 V / 3.3 V / 5 V | 2.5 V / 3.3 V / 5 V | 2.5 V / 3.3 V / 5 V |
| Temperature Grade | -40 °C to +85 °C (I) | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Special Features | 10-bit ADC, CCP, 24-bit SMT, ZCD | Identical feature set | Similar peripherals, smaller memory | Reduced feature set | Identical, extended temperature | No ZCD or 24-bit SMT | USB-capable variant |
| Packaging | Tape & Reel (T) | Tube | Tube | Tube | Tube | Tube | Tube |
Key Differentiators
- Highest Flash/RAM density in the 14-pin PIC16F161X SOIC family (vs PIC16F1614-I/SL)
- Integrated 24-bit Signal Measurement Timer (SMT) and Zero-Cross Detection (ZCD) (vs PIC16F1575-I/SL)
- Tape-and-reel packaging for high-volume SMT lines (vs PIC16F1615-I/SL (tube))
- Functional Safety (FuSa) capable family (vs PIC16F1615T-I/ML (QFN package))
Design Notes
Place a 0.1 µF ceramic decoupling capacitor within 2 mm of the VDD pin (pin 14) and a bulk capacitor (e.g., 10 µF tantalum or ceramic) on the same power rail. The XLP sleep current of the PIC16F1615T-I/SL is sub-µA, but inrush on wake-up events can create voltage droops if the local decoupling is inadequate. For battery applications, add a 10 µF reservoir capacitor at VDD to handle the peak current when peripherals are activated simultaneously. Ensure VDD rises monotonically at power-up; the brown-out detector (BOR) is configurable but defaults to a safe threshold.
Route the ICSP™ programming signals (ICSPCLK on pin 2 and ICSPDAT on pin 1) directly to a 5-pin header (or 6-pin for ICD debugging) compatible with PICkit™ 4, MPLAB® Snap, or MPLAB® ICD 4/5 programmers. Keep the trace length under 50 mm and avoid routing them parallel to switching signals for >5 mm. The MCLR pin (pin 4) requires a 10 kΩ pull-up to VDD; if in-circuit debugging is required, do NOT place a capacitor on MCLR larger than 100 pF, as it interferes with the debugger's reset pulse.
Do not exceed the absolute maximum VDD of 5.5V; the device supports 2.5V, 3.3V, and 5V nominal rails but spikes above 5.5V can latch-up the I/O cells. When using the ADC, set the A/D conversion clock (ADCON1) to Fosc/16 or slower for accurate 10-bit results - running the ADC faster than 500 ksps sacrifices linearity. Pin 3 (RA2) and pin 4 (RA3/MCLR) share an input-only architecture; configure RA3 correctly as input-only to avoid unintended output behavior. Always read the device errata document for known silicon issues before finalizing firmware.
Keep the quartz crystal (if used instead of the internal 32 MHz HFINTOSC) within 5 mm of pins RA6/RA7 (OSC1/OSC2) with a grounded guard ring around the traces to minimize EMI pickup. For the 14-pin SOIC footprint, use thermal relief pads on the ground pour around the SOIC to ease hand-soldering rework. Separate analog AVCC/AVSS pins from noisy digital VDD/VSS planes with a small ferrite bead or 10 Ω resistor when the ADC is used at the full 10-bit resolution.
Compliance Information
RoHS and REACH compliance per Microchip product page. The -I industrial temperature grade is not AEC-Q100 qualified; for automotive applications, contact Microchip for AEC-Q100 qualified variants. Lead-free (Pb-free) reflow profile per JEDEC J-STD-020.
