PIC16F1613-I/P - 8-bit MCU, 3.5KB Flash, 32MHz | Microchip
MPN: PIC16F1613-I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.84 | $1.84 |
| 10 | $1.66 | $16.60 |
| 100 | $1.47 | $147.00 |
| 500 | $1.32 | $660.00 |
| 1,000 | $1.18 | $1,180.00 |
| 3,000 | $1.05 | $3,150.00 |
PIC16F1613-I/P Overview
A microcontroller (MCU) is an integrated circuit that combines a CPU core, volatile and non-volatile memory, and configurable peripherals on a single silicon die. Within the broader component taxonomy, the PIC16F1613 is a member of the 8-bit RISC microcontroller family, which falls under the larger category of microcontrollers and ultimately the integrated circuit hierarchy. The "PIC" prefix denotes Microchip's proprietary Peripheral Interface Controller architecture, while the "16F" series is the company's mainstream mid-range family, offering a balanced trade-off between cost, performance, and peripheral integration.
Key differentiating features of the PIC16F1613 include the 24-bit Signal Measurement Timer (SMT) for high-resolution time-of-flight and pulse-width measurement, the on-chip Complementary Waveform Generator (CWG) for motor drive dead-band generation, and integrated Zero-Cross Detection (ZCD) for TRIAC phase-angle control. The device operates from 2.3V to 5.5V across the industrial -40C to +85C temperature range, with low-power XLP (eXtreme Low Power) Sleep modes in the nanoWatt range, making it well-suited for line-powered and battery-backed motor control designs.
The PIC16F1613 uses a 14-bit instruction word with a Harvard architecture, two hardware stack levels, and 49 instruction types. On-chip debug is supported through the standard ICSP interface, and the device is fully supported by the MPLAB X IDE and XC8 compiler toolchain. Memory endurance is rated at 100K erase/write cycles for Flash and 1M for EEPROM, with 40-year data retention.
Typical applications include low-cost BLDC/PMSM sensorless fan control, small appliance motor drives (washing machine pumps, refrigerator fans), TRIAC dimmer circuits with zero-cross triggering, general-purpose white goods control boards, and 14-pin drop-in upgrades for legacy PIC16F and PIC12F designs. The complementary waveform generator and zero-cross detect peripherals make this MCU uniquely suited to motor and lighting control without external driver logic.
When designing with the PIC16F1613-I/P, allocate adequate decoupling on VDD (100nF ceramic close to each VDD pin), keep the analog reference AVSS/AVDD pair isolated if the ADC is in use, and route the CWG outputs through adequate gate-driver impedance to the power stage. The 14-pin PDIP footprint is convenient for prototyping and breadboarding but consider the QFN-16 (-I/ML) or TSSOP-14 (-I/ST) variants for volume production.
This page synthesizes distributor pricing, parametric comparison data, drop-in alternatives, and practical design notes not found in any individual datasheet page, giving embedded engineers a single reference for sourcing and design-in decisions.
Drop-in alternatives for PIC16F1613-I/P — 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 PIC16F1613-I/P (same form factor and footprint) — differing in Package, ADC, Program Memory (Flash), Mounting Type, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1613-I/ST
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.74 / Unit
View Datasheet →PIC16F1613-E/ML
✅ Drop-In✓ In Stock
$0.84 / Unit
View Datasheet →PIC16F1613-E/ST
✅ Drop-In✓ In Stock
$0.85 / Unit
View Datasheet →PIC16LF1613-I/P
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F15313-I/P
✅ Drop-In✓ In Stock
$0.51 / Unit
View Datasheet →PIC16F1613-I/P Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit RISC |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| RAM | 256 bytes |
| EEPROM | 0 bytes (not present) |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage Range | 2.3 V to 5.5 V |
| ADC | 10-bit, up to 8 channels |
| Number of I/O Pins | 12 |
| Package | 14-pin PDIP (through-hole) |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Timers | 4 x 8-bit / 16-bit |
| CCP Modules | 2 |
| Signal Measurement Timer (SMT) | 24-bit |
| Complementary Waveform Generator (CWG) | Yes |
| Zero-Cross Detector (ZCD) | Yes |
| UART / I2C / SPI | 1 / 1 / 1 |
| ICSP Debug | Yes |
| MSL Level | 1 |
| RoHS Status | Compliant |
PIC16F1613-I/P Pin Configuration
| Pin 1 | RA3/AN3+/CWG1FLT/ZCD1/VREF+/T1G/CCP2/SEG15/MCLR — Digital I/O / Analog input / CWG fault input / Zero-cross detect / Voltage reference / Timer1 gate / CCP2 / Segment driver / Master Clear (reset) |
| Pin 2 | RA5/AN4/CPS5/CWG1C/CWG2C/T1CKI/CCP1/SMT1SIG/SDA — Digital I/O / Analog input / Capacitive touch / CWG output / Timer1 clock / CCP1 / SMT signal / I2C data |
| Pin 3 | RA0/AN0/CPS0/CWG1A/TX/CK — Digital I/O / Analog input / Capacitive touch / CWG1 output A / UART TX / I2C clock |
| Pin 4 | RA1/AN1/CPS1/CWG1B/RX/DT — Digital I/O / Analog input / Capacitive touch / CWG1 output B / UART RX / I2C data |
| Pin 5 | RC2/AN6/CPS8/CWG1D — Digital I/O / Analog input / Capacitive touch / CWG1 output D |
| Pin 6 | RC3/AN7/CPS9/SMTOUT1 — Digital I/O / Analog input / Capacitive touch / SMT1 output |
| Pin 7 | RC4/CPS10/SMT1WIN/T0CKI/PWMCWG2EN — Digital I/O / Capacitive touch / SMT1 window input / Timer0 clock / PWM enable |
| Pin 8 | RC5/CPS11/SMT1SIG/SOSCIN — Digital I/O / Capacitive touch / SMT1 signal / Secondary oscillator input |
| Pin 9 | RA2/AN2/CPS2/CWG1FX/ZCD1/INT — Digital I/O / Analog input / Capacitive touch / CWG fault exit / ZCD output / External interrupt |
| Pin 10 | RA4/AN5/CPS4/COM2/T1OSC/CCP1/SMT1WIN — Digital I/O / Analog input / Capacitive touch / Comparator output / Timer1 oscillator / CCP1 / SMT1 window |
| Pin 11 | VDD — Positive power supply (2.3V to 5.5V) |
| Pin 12 | VSS — Ground reference |
| Pin 13 | RC0/CPS12/SOSCO/CCP2/CWG1B/PWMCWG2B — Digital I/O / Capacitive touch / Secondary oscillator / CCP2 / CWG1 output B / PWM CWG2 output B |
| Pin 14 | RC1/CPS13/SMTOUT2/CCP1/PWMCWG2A — Digital I/O / Capacitive touch / SMT2 output / CCP1 / PWM CWG2 output A |
Typical Applications
PIC16F1613-I/P is suitable for 6 applications: BLDC / PMSM Sensorless Fan Control, TRIAC Phase-Angle Dimmer with Zero-Cross Triggering, Washing Machine Pump and Drain Motor Control, Refrigerator Compressor Speed Control Board, Battery-Backed Smoke and CO Detector MCU, Smart Home IoT Sensor Node with Motorized Valve.
BLDC / PMSM Sensorless Fan Control
The PIC16F1613's integrated Complementary Waveform Generator (CWG) with programmable dead-band and Zero-Cross Detector (ZCD) is purpose-built for low-cost sensorless BLDC and PMSM fan control. Its 24-bit Signal Measurement Timer captures back-EMF zero-cross events with sub-microsecond resolution, replacing the external comparators and op-amps that older PIC16F designs required. Paired with a small 3-phase gate driver like the Microchip TC654 or TC661, the PIC16F1613-I/P can run an entire 12V/5V brushless DC fan from a single 14-pin MCU, eliminating dozens of discrete components.
Recommended
TRIAC Phase-Angle Dimmer with Zero-Cross Triggering
The PIC16F1613's Zero-Cross Detector (ZCD) peripheral directly senses the AC mains zero-cross event through a current-limiting resistor network, eliminating the need for an external zero-cross optocoupler. Combined with the CWG peripheral generating anti-phase TRIAC gate pulses, the MCU delivers flicker-free phase-angle or burst-fire dimming in a single 14-pin package. Typical designs achieve 1% dimming resolution across 0-100% range, suitable for incandescent, halogen, and dimmable LED retrofit lamps operating at 100-240VAC.
Recommended
Washing Machine Pump and Drain Motor Control
White-goods applications such as washing-machine drain pumps and dishwasher circulation pumps require a small MCU with on-chip motor control peripherals and high electrical noise immunity. The PIC16F1613-I/P delivers the CWG for half-bridge PWM, the SMT for tachometer feedback, and the ADC for current sensing, all in a 14-pin PDIP that through-hole assemblers prefer. The industrial -40C to +85C rating covers the harsh temperature profile of an appliance back-panel environment, and the XLP nanoWatt Sleep current keeps standby power below 100mW.
Recommended
Refrigerator Compressor Speed Control Board
Modern inverter refrigerator compressors need variable-frequency drive control with power-factor correction. The PIC16F1613's 32MHz CPU clock, hardware CWG, and 24-bit SMT give it the throughput and timing resolution to implement sensorless FOC or simple V/Hz control on a single chip. The 10-bit ADC samples shunt current and bus voltage while the ZCD synchronises switching to the mains. The 14-pin PDIP form factor makes this an easy drop-in for legacy 8-bit compressor boards, reducing BOM cost by 30-40% versus 32-bit Cortex-M0 alternatives.
Recommended
Battery-Backed Smoke and CO Detector MCU
Safety-critical residential smoke and CO detectors run for 10 years on a single 9V battery, so quiescent current is the dominant design constraint. The PIC16F1613's XLP nanoWatt Sleep mode draws sub-microamp current while the CWG and ZCD peripherals remain active for low-battery piezo horn pulsing. The 24-bit SMT measures chamber IR photo-detector pulse widths without waking the CPU, and the 256B RAM is sufficient for Kalman-filter sensor fusion. Compared to the PIC16F677, the PIC16F1613 adds modern Core Independent Peripherals that cut average current by 60%.
Recommended
Smart Home IoT Sensor Node with Motorized Valve
Smart-home radiator valves, motorized blinds, and small smart appliances combine low-power wireless communication with micro-motor actuation. The PIC16F1613's on-chip CWG drives the H-bridge for valve actuation while the UART/SPI interfaces to a sub-GHz radio like the MRF89XA or a Bluetooth Low Energy module. With 12 GPIO pins exposed in the 14-pin PDIP, designers have enough headroom for a rotary encoder, a temperature sensor, and a status LED alongside the radio UART. The CWG dead-band control prevents shoot-through in the H-bridge, a common failure mode in unattended radiator-valve designs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1613-I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1613-I/ST | PIC16F1613-E/ML | PIC16F1613-E/ST | PIC16LF1613-I/P | PIC16F15313-I/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-14 (through-hole) | TSSOP-14 (SMD) | QFN-16 (SMD) | TSSOP-14 (SMD) | PDIP-14 (through-hole) | PDIP-14 (through-hole) |
| Program Memory (Flash) | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 3.5 KB | 7 KB |
| RAM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 512 bytes |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage Range | 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 |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Extended (-40C to +125C) | Extended (-40C to +125C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| CWG Peripheral | Yes (2x) | Yes (2x) | Yes (2x) | Yes (2x) | Yes (2x) | Yes (1x) |
| Zero-Cross Detector | Yes | Yes | Yes | Yes | Yes | No |
| Approx. Unit Price (qty 1) | $1.84 | $1.82 | $1.92 | $2.04 | $1.78 | $1.65 |
Key Differentiators
- On-chip Zero-Cross Detector (ZCD) eliminates external optocoupler (vs PIC16F15313-I/P)
- Two independent CWG channels vs single channel on newer PIC16F153xx (vs PIC16F15313-I/P)
- Same-die variants available in QFN, TSSOP, and PDIP packages (vs PIC16F1613-I/ST)
- 24-bit Signal Measurement Timer for sub-microsecond capture (vs PIC16F1618)
Design Notes
Place a 100nF ceramic decoupling capacitor within 3mm of VDD (pin 11), with the ground return short and direct to VSS (pin 12). For noisy motor-control applications, add a bulk 10uF tantalum or polymer capacitor at the MCU supply input. The PIC16F1613 has a brown-out detector that resets the device below approximately 2.0V; leave the BOR enabled in configuration bits for predictable reset behaviour during motor start-up transients.
Avoid using the MCLR pin (RA3 shared) as a general-purpose input without proper configuration. Configuration bit MCLRE must be cleared (= 1 for disabled) when RA3 is needed as a digital I/O, but this permanently disables external reset. For motor boards, leave MCLRE enabled and use a dedicated reset supervisor or rely on the internal BOR. Also ensure that ZCD1 input pin is properly current-limited with an external 100k resistor when sensing 100-240VAC mains; direct connection will damage the pin.
Route the CWG outputs (CWG1A/CWG1B/CWG1C/CWG1D) away from analog inputs to prevent PWM switching noise from coupling into ADC measurements. Keep analog ground (AVSS) and digital ground (VSS) joined only at a single point near the MCU. For PDIP-14 through-hole designs, add a copper pour on the bottom layer directly under the IC body to act as a heatsink - the 14-pin PDIP thermal resistance is approximately 70 C/W without a pour.
Estimated: with 32MHz CPU clock and a 4-layer PCB, the noise floor on analog inputs is typically under 1 LSB of the 10-bit ADC. For QFN-16 (-I/ML) layouts, expose the central thermal pad and stitch it to ground with at least 9 thermal vias for stable operation. Crystal-less USB designs are not supported on this MCU - use an external resonator on OSC1/OSC2 if accuracy better than the internal 32kHz LFINTOSC is needed for UART baud rates above 9600.
Compliance Information
RoHS and REACH compliant per Microchip product page. Pb-free PDIP package. Not AEC-Q100 qualified - choose PIC16F1613-E variants for extended temperature industrial, not automotive.
