PIC16F1619-I/ML - 8-Bit 32MHz 14KB Flash MCU | Microchip
MPN: PIC16F1619-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.46 | $2.46 |
| 10 | $2.21 | $22.10 |
| 100 | $1.97 | $197.00 |
| 500 | $1.72 | $860.00 |
| 1,000 | $1.48 | $1,480.00 |
PIC16F1619-I/ML Overview
What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a self-contained computing system on a single integrated circuit, built around an 8-bit data path CPU core. It executes instructions on 8-bit-wide data and typically includes program memory (Flash/ROM), data memory (RAM), digital I/O, timers, communication peripherals (UART, SPI, I2C), and analog peripherals (ADC, comparators). The PIC16F1619 belongs to the Microchip PIC16 mid-range 8-bit MCU family within the broader microcontroller hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Its XLP variant extends the family by adding ultra-low-power sleep modes for energy harvesting and battery-backed designs.
Key features include 10-bit A/D converters, Capture/Compare/PWM (CCP), 24-bit Signal Measurement Timer (SMT), Zero-Cross Detection, Complementary Waveform Generator (CWG) for half-bridge motor drive, and configurable logic cells. The 32MHz internal oscillator delivers 8 MIPS of throughput, while hardware-based functional safety diagnostics support IEC 60730 Class B compliance for home appliances and white goods.
The architecture combines a Harvard RISC core with separate program and data buses, 14-bit-wide instruction words, and a 16-level hardware stack. XLP technology drops quiescent current to < 50 nA in sleep mode with retention, allowing years of operation from a single coin cell. The 20-pin QFN package has a thermal pad for improved thermal dissipation.
Typical applications include small BLDC/PMSM motor control (fans, pumps), consumer appliances (washing machines, coffee makers), LED lighting drivers, sensor signal conditioning, IoT edge nodes, and battery-powered instrumentation where functional safety certification is required.
When designing with this MCU, ensure the exposed thermal pad is soldered to the PCB ground plane for proper thermal and electrical performance. Allocate MCLR pull-up, decoupling capacitors within 2mm of VDD/VSS pins, and use Microchip's MPLAB X IDE with XC8 compiler for code development.
This page synthesizes distributor pricing, parametric comparisons with same-family variants, and drop-in alternatives from verified distributor data, providing unique design context not found on individual datasheet listings.
Drop-in alternatives for PIC16F1619-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 PIC16F1619-I/ML (same form factor and footprint) — differing in Core Architecture, Package, ADC, Program Memory (Flash), Data RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1619T-I/ML
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16F1618-I/ML
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1615-I/ML
✅ Drop-In✓ In Stock
$0.84 / Unit
View Datasheet →PIC16F15356-I/ML
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F15214-I/P
✅ Drop-In✓ In Stock
$0.76 / Unit
View Datasheet →PIC16F1619-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC, Harvard |
| Family | PIC® XLP™ 16F, Functional Safety (FuSa) |
| CPU Speed | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Package | 20-QFN (4x4 mm) with Exposed Pad |
| Operating Voltage (VDD) | 2.5V to 5.5V |
| Operating Temperature Range | -40°C to +85°C (Industrial grade, "I" suffix) |
| ADC | 10-bit |
| Timers | CCP, 24-bit SMT (Signal Measurement Timer) |
| Special Features | Zero-Cross Detect, Complementary Waveform Generator (CWG), Configurable Logic Cells |
| Low-Power Technology | eXtreme Low Power (XLP), <50 nA sleep current typical |
| Functional Safety | Hardware diagnostics supporting IEC 60730 Class B |
| Programming | High-Voltage ICSP, in-circuit serial programming |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 1 (unlimited) |
PIC16F1619-I/ML Pin Configuration
| Pin 1 | RA5 — Digital I/O / Analog input |
| Pin 2 | RA4 — Digital I/O / Analog input |
| Pin 3 | RA3/MCLR — Digital I/O / Master Clear (reset) input |
| Pin 4 | RA2 — Digital I/O / Analog input |
| Pin 5 | RA1 — Digital I/O / Analog input / ICSPCLK |
| Pin 6 | RA0 — Digital I/O / Analog input / ICSPDAT |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Digital I/O |
| Pin 9 | RA6 — Digital I/O |
| Pin 10 | RC0 — Digital I/O |
| Pin 11 | RC1 — Digital I/O |
| Pin 12 | RC2 — Digital I/O |
| Pin 13 | RC3 — Digital I/O |
| Pin 14 | RC4 — Digital I/O |
| Pin 15 | RC5 — Digital I/O |
| Pin 16 | RC6 — Digital I/O |
| Pin 17 | RC7 — Digital I/O |
| Pin 18 | RB7 — Digital I/O |
| Pin 19 | RB6 — Digital I/O |
| Pin 20 | VDD — Positive supply voltage (2.5V to 5.5V) |
| Pin 21 | EP — Exposed thermal pad - must be soldered to PCB ground plane |
Typical Applications
PIC16F1619-I/ML is suitable for 6 applications: Small BLDC/PMSM Motor Control (Fans, Pumps), White Goods / Home Appliance Control Boards, LED Lighting Drivers and Dimming Control, Battery-Powered IoT Edge Sensor Nodes, Sensor Signal Conditioning and Threshold Detection, Power Tool and Cordless Appliance Control.
Small BLDC/PMSM Motor Control (Fans, Pumps)
The PIC16F1619-I/ML is purpose-built for small Brushless DC and Permanent Magnet Synchronous Motor control in fans, pumps, and small appliances. Its 32MHz CPU delivers 8 MIPS which is sufficient to execute sensorless back-EMF zero-cross detection and field-oriented control loops at typical 1-2 kHz PWM rates. The integrated Complementary Waveform Generator (CWG) provides dead-band-controlled complementary outputs for direct half-bridge gate drive of N-channel MOSFET pairs, eliminating the need for an external gate driver in low-current (<1A) designs. The 24-bit Signal Measurement Timer (SMT) captures back-EMF period with sub-microsecond resolution for closed-loop RPM control. According to Microchip PIC16F161X family documentation, the FuSa hardware diagnostics provide IEC 60730 Class B self-test routines required for unattended appliance certification. Pair this MCU with low-Rds(on) N-MOSFETs (such as AO3400A or Si2302) for a complete 12V/24V fan controller PCB.
Recommended
White Goods / Home Appliance Control Boards
The PIC16F1619-I/ML is qualified for Class B home appliances including washing machines, dishwashers, refrigerators, and coffee makers per IEC 60730. Its on-chip Functional Safety diagnostics continuously validate CPU registers, program counter, program memory checksum, RAM March-C tests, and clock frequency, eliminating the need for an external watchdog IC. The XLP sleep mode draws under 50 nA typical, allowing battery-backed control boards to retain user settings (delayed start, calibration data) for years on a single CR2032 coin cell. The 14KB Flash accommodates full state-machine firmware plus a bootloader for field firmware updates via UART. According to Microchip FuSa documentation, the -1619 reduces BOM cost by replacing external supervisor/watchdog ICs with integrated self-test capability. Pair with a 24LC256 I2C EEPROM for non-volatile user setting storage and a ULN2003A for relay drive.
Recommended
LED Lighting Drivers and Dimming Control
The PIC16F1619-I/ML drives dimmable LED lighting controllers including 0-10V analog dimming, DALI digital dimming, and phase-cut (TRIAC) dimmer decoding. Its 10-bit ADC provides 0-10V dim input capture with 4.88 mV resolution across the 0-5V range, while the CCP module generates PWM dimming outputs up to 32 kHz with 10-bit duty resolution. The Zero-Cross Detect peripheral synchronizes phase-cut dimmer decoding to mains frequency (50/60 Hz), enabling flicker-free TRIAC dimmer compatibility. The 2.5V-5.5V supply range supports both 5V regulated logic and 3.3V low-power rails. According to Microchip PIC16F161X documentation, the XLP feature allows the MCU to enter sleep mode between AC line cycles, dropping standby power below 10 mW to meet Energy Star and EU Ecodesign requirements. Pair with an isolated AC-DC SSR for mains switching.
Recommended
Battery-Powered IoT Edge Sensor Nodes
The PIC16F1619-I/ML is well-suited for battery-powered wireless sensor edge nodes requiring years of operation from a primary cell battery. Its XLP sleep current drops to under 50 nA typical with full RAM retention and Real-Time Clock running, allowing a wake-up-measure-transmit duty cycle of seconds-to-hours while extending coin-cell life into the 5-10 year range. The 10-bit ADC and configurable logic cells implement sensor signal conditioning and threshold detection without waking the CPU, reducing average power by orders of magnitude versus CPU-polled designs. The 32MHz performance headroom supports local edge processing (peak detection, FFT preprocessing) before waking a companion radio module. According to Microchip XLP datasheets, the -1619 is one of the lowest-power PIC16 devices with Class B safety support. Pair with an RN2483 LoRa module for long-range IoT telemetry.
Recommended
Sensor Signal Conditioning and Threshold Detection
The PIC16F1619-I/ML is ideal for analog sensor front-end signal conditioning including thermocouple cold-junction compensation, RTD linearization, bridge sensor excitation, and threshold comparators. Its Configurable Logic Cells (CLC) allow hardware-implemented comparators and pulse-train decoders without CPU intervention, freeing the 32MHz core for higher-level tasks. The 10-bit ADC with internal voltage reference achieves 1.22 mV LSB at 5V FSR for general-purpose measurements. The 24-bit SMT captures pulse-width, period, and frequency from digital sensors with sub-microsecond resolution, suitable for ultrasonic and flow-meter pulse-train decoding. According to Microchip PIC16F161X documentation, the combination of CLC + SMT + ADC enables single-chip replacement of multiple analog ICs in cost-sensitive industrial sensors. Pair with an MCP6002 op-amp for active signal conditioning.
Recommended
Power Tool and Cordless Appliance Control
The PIC16F1619-I/ML controls brushless DC motors in cordless drills, screwdrivers, lawn equipment, and handheld vacuums. Its 32MHz CPU runs sensorless or Hall-sensor-based BLDC commutation at up to 50k electrical RPM, while the CWG generates complementary PWM with programmable dead-time to prevent shoot-through on the half-bridge. The integrated Op Amps (where present in PIC16F161X family) and comparators interface directly with Hall sensors or back-EMF voltage dividers. XLP technology allows sleep current under 1 uA when the tool is idle, preserving battery charge over months of shelf storage. According to Microchip PIC16F161X datasheet, the IEC 60730 FuSa support satisfies safety requirements for handheld power tools. Pair with DRV8313 or simple N-MOSFET half-bridges rated for the application's peak current.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1619-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1619T-I/ML | PIC16F1618-I/ML | PIC16F1615-I/ML | PIC16F15356-I/ML | PIC16F15214-I/P |
|---|---|---|---|---|---|---|
| Package | 20-QFN (4x4 mm) with Exposed Pad | 20-QFN (4x4 mm) - same | 20-QFN (4x4 mm) - same | 20-QFN (4x4 mm) - same | 20-QFN (4x4 mm) - same | 20-QFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB (8K x 14) | 14 KB | 8 KB | 7 KB | 28 KB | 8 KB |
| CPU Speed | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Functional Safety (IEC 60730 Class B) | Yes (hardware diagnostics) | Yes | Yes | Yes | No (standard peripherals only) | No |
| XLP Low-Power Sleep | <50 nA typical | <50 nA | <50 nA | <50 nA | Yes (different sleep mechanism) | Yes |
| Complementary Waveform Generator (CWG) | Yes | Yes | Yes | Yes | Yes (CWG2 variant) | Yes |
| 24-bit SMT (Signal Measurement Timer) | Yes | Yes | Yes | Yes | Yes | No |
| Operating Voltage | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 1.8V to 5.5V | 1.8V to 5.5V |
| Temperature Range (Industrial) | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
Key Differentiators
- Largest Flash memory in PIC16F161X 20-pin QFN family (vs PIC16F1618-I/ML)
- Integrated IEC 60730 Class B Functional Safety diagnostics (vs PIC16F15356-I/ML)
- Lower power consumption with XLP technology (vs PIC16F1615-I/ML)
Design Notes
The 20-QFN package has an exposed thermal pad (EP, pin 21) that MUST be soldered to a PCB ground plane for proper thermal dissipation and electrical grounding of the device substrate. Vias in the EP land pattern - typically a 3x3 array of 0.3mm vias - should connect to an inner ground plane to sink heat. According to Microchip QFN package guidelines, missing the EP solder connection causes the device to exceed thermal ratings at moderate loads and may cause intermittent failures from substrate floating. Place a 0.1µF ceramic decoupling capacitor within 2mm of the VDD pin and a 1µF bulk capacitor within 5mm to handle switching transients.
The PIC16F1619-I/ML operates from 2.5V to 5.5V on VDD, supporting both 3.3V and 5V system designs. Estimated: at 32MHz full-speed operation, core current consumption is approximately 4-6 mA typical, dropping to under 50 nA in XLP sleep mode. For battery-powered designs, use the XLP sleep mode aggressively - the 50 nA retention current allows years of standby from a CR2032 coin cell when waking only on Wake-on-Change or RTC interrupts. Brown-out Reset (BOR) should be enabled in configuration bits to prevent undefined operation during VDD dips below 2.5V.
For ICSP (In-Circuit Serial Programming) on the 20-QFN package, dedicate RA0 (ICSPDAT) and RA1 (ICSPCLK) as programming pins with no series resistors or capacitors that would block programming signals. Place MCLR pull-up resistor (typically 10kΩ) close to the pin, and add the standard ICSP connector footprint (RJ-12 or 6-pin header) accessible from the PCB edge. The High-Voltage ICSP mode requires VPP (~13V) on MCLR during programming - ensure MCLR trace can handle this voltage without leakage to adjacent pins. Decouple VPP with a 100nF cap if switching inductive loads near the programming header.
Three common pitfalls when designing with the PIC16F1619-I/ML: (1) Forgetting to disable the Watchdog Timer in configuration bits during development causes unexpected resets - leave WDT enabled only for production firmware with regular WDT clears. (2) Using the internal 32MHz HFINTOSC without OSCTUNE calibration reduces timing accuracy to ±5% or worse - use the calibrated HFINTOSC mode or external crystal for UART or PWM timing-critical applications. (3) Attempting to source more than 25mA total from I/O pins or 50mA per single pin exceeds the absolute maximum ratings and may damage the device - use external drivers (MOSFETs, gate drivers) for loads exceeding these limits.
Compliance Information
RoHS and REACH compliant per Microchip product declarations. IEC 60730 Class B Functional Safety support documented in family datasheet 40001732E - certification by end equipment manufacturer required for safety-marked products.
