PIC16F1615-I/ML - 8-Bit 32MHz 14KB Flash MCU | Microchip
MPN: PIC16F1615-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.55 | $1.55 |
| 10 | $1.38 | $13.80 |
| 100 | $1.12 | $112.00 |
| 500 | $0.95 | $475.00 |
| 1,000 | $0.84 | $840.00 |
PIC16F1615-I/ML Overview
An 8-bit microcontroller is a self-contained computing device that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals onto a single silicon die. The PIC16F1615 belongs to the PIC10/12/16 mid-range family, which combines a Harvard architecture with a RISC instruction set optimized for deterministic interrupt response and predictable timing. Within the broader semiconductor taxonomy, it sits as: microcontroller -> 8-bit MCU -> PIC16 mid-range -> PIC16F161X family. The XLP variants further reduce active and sleep current draw for energy-harvesting and battery-powered designs.
Key features include a 32MHz internal oscillator (8 MIPS), 14KB Flash with self-programmability, 1KB RAM, 256 bytes of EEPROM, a 10-bit A/D converter with up to 8 channels, multiple PWM modules, a 24-bit Signal Measurement Timer (SMT), Zero-Cross Detection, Configurable Logic Cells (CLC), and Core Independent Peripherals (CIPs) that let hardware handle tasks without CPU intervention. The 16-QFN (4x4 mm) package gives a compact footprint with an exposed pad for thermal dissipation.
Technically, the device operates from 2.3V to 5.5V, includes an 8-level hardware stack, 16 I/O pins, and supports in-circuit serial programming (ICSP) and in-circuit debugging. Peripherals like the CLC and SMT enable timer, logic, and signal-processing functions to run autonomously, freeing the CPU for application code.
Typical applications include small BLDC and stepper motor control, LED lighting with dimming, sensor signal conditioning, consumer appliances, battery-powered IoT endpoints, and functional-safety subsystems. Its compact QFN-16 footprint suits space-constrained designs.
When designing, ensure the exposed pad is soldered to a sufficient copper pour for thermal relief, place a 0.1uF decoupling capacitor on VDD close to the pin, and follow Microchip's errata for any silicon revision-specific behavior.
This page synthesizes distributor pricing, drop-in QFN-16 alternatives from the same PIC16 family, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC16F1615-I/ML — 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 PIC16F1615-I/ML (same form factor and footprint) — differing in ADC, Package, Data RAM, Core Architecture, DAC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1615-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1615T-I/ML
✅ Drop-In✓ In Stock
$1.07 / Unit
View Datasheet →PIC16F1614-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1613-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1615-I/ML
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F15356-I/ML
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F1615-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | 8-bit PIC mid-range (RISC) |
| Family | PIC16F161X, Functional Safety (FuSa) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (VDD) | 2.3 V to 5.5 V |
| I/O Pins | 16 |
| ADC | 10-bit, up to 8 channels |
| PWM Modules | Multiple (peripheral-dependent) |
| Timers | 24-bit SMT, 16-bit/8-bit timers |
| Zero-Cross Detection | Yes |
| Configurable Logic Cells (CLC) | Yes |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 16-QFN (4x4 mm) with exposed pad |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
PIC16F1615-I/ML Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O / ADC / CLC |
| Pin 2 | RA4 — Bidirectional I/O / ADC / CLC |
| Pin 3 | RA3 — Bidirectional I/O / MCLR |
| Pin 4 | RA2 — Bidirectional I/O / ADC / CLC |
| Pin 5 | RA1 — Bidirectional I/O / ADC / CLC / ICSPCLK |
| Pin 6 | RA0 — Bidirectional I/O / ADC / ICSPDAT |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Bidirectional I/O / OSC1 |
| Pin 9 | RA6 — Bidirectional I/O / OSC2 |
| Pin 10 | RC5 — Bidirectional I/O / PWM / CLC |
| Pin 11 | RC4 — Bidirectional I/O / PWM |
| Pin 12 | RC3 — Bidirectional I/O / PWM / ADC |
| Pin 13 | RC2 — Bidirectional I/O / PWM / ADC |
| Pin 14 | RC1 — Bidirectional I/O / PWM / ADC |
| Pin 15 | RC0 — Bidirectional I/O / PWM / ADC |
| Pin 16 | VDD — Positive supply (2.3V to 5.5V) |
Typical Applications
PIC16F1615-I/ML is suitable for 6 applications: Small BLDC and Stepper Motor Control, LED Lighting with Dimming and Color Mixing, Functional Safety (FuSa) Subsystems, Battery-Powered IoT Sensor Nodes, Consumer Appliance User Interface, Industrial Sensor Signal Conditioning.
Small BLDC and Stepper Motor Control
The PIC16F1615-I/ML is purpose-built for small BLDC and stepper motor control with 14KB Flash, 32MHz (8 MIPS) CPU, integrated PWM, Zero-Cross Detection, and a 24-bit Signal Measurement Timer (SMT) that supports sensorless commutation timing. With 8 MIPS throughput, the MCU has enough headroom to run a field-oriented control loop on a small fan or pump while peripherals offload the timing-critical tasks via Core Independent Peripherals (CIPs). The Functional Safety (FuSa) features add fault detection required by safety-aware appliances. Compared to discrete logic designs, this part replaces a comparator array plus timer IC plus MCU with a single 4x4 mm QFN.
Recommended
LED Lighting with Dimming and Color Mixing
The PIC16F1615-I/ML drives multi-channel LED lighting with 10-bit ADC for ambient light sensing and PWM for smooth dimming. The CLCs allow PWM phase shifting and zero-cross blanking to be done in hardware, freeing CPU cycles for higher-level DMX or DALI protocol handling. Operating from 2.3V to 5.5V, the part fits directly on a 3.3V or 5V LED driver board. The XLP sleep current extends battery life in wireless-controlled fixtures. Designers typically pair it with a constant-current LED driver such as the TLC59401.
Recommended
Functional Safety (FuSa) Subsystems
The PIC16F1615-I/ML's Functional Safety (FuSa) peripherals support redundant timer monitoring, windowed watchdog, and hardware fault detection required in safety-aware subsystems. The CIPs include complementary waveform generators and dead-band control that the safety documentation walks engineers through validating. This makes the device attractive for household appliances with IEC 60730 Class B requirements such as washing machines, induction cooktops, and HVAC blower controllers. The QFN-16 (4x4 mm) footprint keeps the BOM small while leaving room for a dedicated safety MCU alongside the main application processor.
Recommended
Battery-Powered IoT Sensor Nodes
The PIC16F1615-I/ML is well-suited for battery-powered IoT sensor endpoints thanks to PIC XLP nanoWatt technology, which keeps sleep current in the microamp range for months of battery life. The 10-bit ADC reads analog sensor data with up to 8 channels, and the CLCs handle sensor wake-up logic without CPU intervention. Operating voltage from 2.3V to 5.5V means it can run directly from a 3V coin cell or a 5V USB supply. Pair with a sub-GHz or BLE module to form a complete wireless sensor node.
Recommended
Consumer Appliance User Interface
For consumer appliance front panels (microwave ovens, coffee machines, washer-dryer controls), the PIC16F1615-I/ML drives capacitive touch via CLC peripherals, scans key matrices through GPIOs, and times motor start sequences using the SMT. Its small 4x4 mm QFN-16 footprint tucks behind the front-panel flex PCB, and the wide 2.3V-5.5V supply range lets it ride the same 5V rail as the display backlight driver. With 14 KB Flash, code room is sufficient for multi-language UI strings and state machines.
Recommended
Industrial Sensor Signal Conditioning
In industrial 4-20 mA loop transmitters, thermocouple interfaces, and bridge sensor signal conditioning, the PIC16F1615-I/ML's 10-bit ADC and CLCs implement low-pass filters and threshold detectors in hardware. Its -40C to +85C industrial rating handles factory floor environments, and the small QFN-16 (4x4 mm) package fits inside a DIN-rail transmitter head. Engineers often use the SMT to measure pulse-width outputs from optical or Hall-effect flow sensors at high resolution.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1615-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1615-E/ML | PIC16F1615T-I/ML | PIC16F1614-I/ML | PIC16F1613-I/ML | PIC16LF1615-I/ML | PIC16F15356-I/ML |
|---|---|---|---|---|---|---|---|
| Package | 16-QFN (4x4 mm) | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 14 KB | 14 KB | 14 KB | 7 KB | 7 KB | 14 KB | 28 KB |
| RAM | 1 KB | 1 KB | 1 KB | 512 B | 512 B | 1 KB | 2 KB |
| Operating Voltage | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 1.8V to 3.6V | 2.3V to 5.5V |
| CPU Speed | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) | 32 MHz (8 MIPS) |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| CIP / FuSa Peripherals | CLC, SMT, Zero-Cross, FuSa | Same as 1615 | Same as 1615 | Reduced SMT/CLC | Reduced SMT/CLC | Same as 1615 | Different CIP set, newer gen |
Key Differentiators
- Built-in Functional Safety (FuSa) peripherals in 16-QFN footprint (vs PIC16F1613-I/ML)
- Industrial vs extended temperature drop-in selection (vs PIC16F1615-E/ML)
- Double the Flash of smaller sister part (vs PIC16F1614-I/ML)
Design Notes
The QFN-16 package has an exposed thermal pad on the underside that MUST be soldered to the board's ground pour for both electrical reference and thermal dissipation. Place at least four thermal vias under the pad connecting to inner ground layers. Keep digital signal traces away from the analog ADC inputs (RA0-RA5) to minimize coupled noise; route analog grounds back to a single star point tied to the QFN exposed pad.
Place a 0.1 uF decoupling capacitor as close as possible to VDD (pin 16) and a bulk 1-10 uF capacitor at the board's power entry. For ADC accuracy, add a small ferrite bead or 10 ohm resistor between VDD and AVdd if the part exposes a separate analog rail. XLP sleep current is in the microamp range, but active current at 32 MHz with all peripherals enabled can hit several milliamps - design the supply regulator for at least 2x this number.
Do not leave MCLR floating - tie it to VDD through a 10 kohm resistor for normal operation, or to the ICSP programmer for debug. Ensure unused I/O pins are configured as outputs (driving low) or inputs with internal weak pull-ups enabled to minimize SCL/HYS shoot-through current. Before locking firmware, check the device ID register against the PIC16F1615 expected value (0x3060 family) to confirm the correct silicon revision is soldered, as some early PIC16F161X parts had errata on the SMT peripheral.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial grade (-40C to +85C), not AEC-Q100 qualified - choose PIC16F1615-E/ML for extended temperature up to +125C. Not automotive qualified in this exact MPN suffix.
