PIC16F1613-E/ST - 8-bit 32MHz XLP MCU 3.5KB Flash | Microchip
MPN: PIC16F1613-E/ST ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.45 | $14.50 |
| 100 | $1.21 | $121.00 |
| 500 | $1.04 | $520.00 |
| 1,000 | $0.93 | $930.00 |
| 3,000 | $0.85 | $2,550.00 |
PIC16F1613-E/ST Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals on one silicon die. The PIC16F architecture uses a RISC-based Harvard structure with a 14-bit instruction word optimized for deterministic real-time control. PIC MCUs belong to the broader microcontrollers > integrated circuits > semiconductors product hierarchy and are widely used in embedded control where low power, deterministic behavior, and small footprints are essential. The XLP (eXtreme Low Power) designation indicates sub-uA/MHz active currents and deep-sleep currents suitable for battery-powered and energy-harvesting designs.
Key features include a 10-bit Analog-to-Digital Converter (ADC) with computation, up to 8-channel input multiplexing, Capture/Compare/PWM (CCP) peripherals, a 24-bit Signal Measurement Timer (SMT), Zero-Cross Detection, configurable logic cells (CLC), and a peripheral pin select (PPS) system. The device supports up to 32MHz CPU clock, a wide 2.3V to 5.5V operating voltage, and nanoWatt XLP sleep modes that drop quiescent current to the nanoampere range.
Technically, the device uses an enhanced mid-range core with hardware multiply and a 16-level hardware stack, 256 bytes of EEPROM data memory, an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART), two MSSP peripherals (I2C/SPI), and on-chip debug support via ICD. The 14-pin TSSOP package offers a small 4.4mm body width compatible with hand-soldered prototypes and high-density boards.
Typical applications include small motor control (low-cost BLDC and brushed DC), LED lighting drivers, household appliances, IoT sensor nodes, capacitive-touch user interfaces (via mTouch), smoke detectors, and consumer white goods. The combination of 24-bit SMT, zero-cross detect, and CCP makes the PIC16F1613 particularly suited to closed-loop motor and lighting control without external timers.
When designing with this MCU, plan for decoupling caps on VDD/AVDD and follow EOC access ports for in-circuit programming. The PPS block requires careful pin remapping configuration in software; verify peripheral-to-pin mappings in Microchip's MPLAB Xpress / MCC code configurator before PCB layout sign-off. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16F1613-E/ST — 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-E/ST (same form factor and footprint) — differing in Program Memory (Flash), Package, Operating Temperature, ADC, Core.
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 →PIC16F1575-E/ST
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1574-E/ST
✅ Drop-In✓ In Stock
$0.98 / Unit
View Datasheet →PIC16F1503-I/ST
✅ Drop-In✓ In Stock
$0.94 / Unit
View Datasheet →PIC16F1455-I/ST
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1613-E/ST Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data EEPROM | 256 bytes |
| Data RAM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 2.3 V to 5.5 V |
| ADC | 10-bit ADC with computation |
| ADC Channels | Up to 8 |
| Timers | 24-bit SMT, CCP, Timer0/1/2 |
| Communication | EUSART, 2x MSSP (I2C/SPI) |
| Configurable Logic Cells (CLC) | Yes |
| Zero-Cross Detection | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Operating Temperature | -40C to +125C (E suffix, extended industrial) |
| Package | 14-pin TSSOP (ST), 4.4 mm body width |
| Mounting Type | Surface Mount |
| MSL Level | 1 (unlimited floor life at <30C / 85% RH) |
| RoHS Status | Compliant |
| XLP Sleep Current | nanoWatt XLP (sub-uA deep sleep) |
PIC16F1613-E/ST Pin Configuration
| Pin 1 | RA5/SOSC1/CLKIN/AN4/CWG1FLT/CLCIN3/CCP2/SDI1 — Multi-function GPIO/analog; SOSC secondary oscillator input or CCP2 |
| Pin 2 | RA4/AN3/TX/CWG1D2/CLCIN2/CCP1/PWM3/PPS — Multi-function GPIO/analog; EUSART TX or CCP1 PWM output |
| Pin 3 | RA3/AN17/MCLR/VPP — Reset/MCLR or analog input; programming high-voltage entry |
| Pin 4 | RA2/AN18/T0CKI/PPS/CWG1FLT/INT — Multi-function GPIO/analog; T0CKI timer clock or external interrupt |
| Pin 5 | RA1/AN19/PPS/INT/CWG1D1/CLCIN1 — Multi-function GPIO/analog; external interrupt or CLC input |
| Pin 6 | RA0/AN20/CWG1D0/INT/PPS — Multi-function GPIO/analog; external interrupt |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/CLKOUT/PPS — Multi-function GPIO; system clock output |
| Pin 9 | RA6/CLKR/PPS/INT — Multi-function GPIO |
| Pin 10 | RC0/SCL1/SCK1/AN8/PPS/CWG1FLT — Multi-function GPIO; I2C SCL1 or SPI SCK1 |
| Pin 11 | RC1/SDA1/SDI1/AN9/PPS — Multi-function GPIO; I2C SDA1 or SPI SDI1 |
| Pin 12 | RC2/AN6/PPS/CCP1/PWM2 — Multi-function GPIO; CCP1 PWM |
| Pin 13 | RC3/AN7/PPS/CCP2/PWM3/CWG1FLT — Multi-function GPIO; CCP2 PWM |
| Pin 14 | VDD — Positive supply voltage (2.3V to 5.5V) |
Typical Applications
PIC16F1613-E/ST is suitable for 7 applications: Small Motor Control (BLDC / Brushed DC), LED Lighting Drivers and Dimming, Capacitive Touch (mTouch) User Interfaces, Household Appliance Control, IoT Edge Sensor Nodes, Smoke and Fire Detector Front-Ends, Consumer White Goods (Fans, Purifiers, Small Pumps).
Small Motor Control (BLDC / Brushed DC)
The PIC16F1613-E/ST is purpose-built for low-cost brushless DC and brushed DC motor control, integrating a 24-bit Signal Measurement Timer, CCP modules, and Zero-Cross Detection in a single 14-pin TSSOP. The 24-bit SMT measures motor back-EMF period with sub-microsecond resolution for sensorless commutation. Zero-Cross Detect synchronizes triac-driven loads to the AC mains, reducing EMI and switching stress. With 32MHz CPU and 3.5KB Flash, the part runs vector-control or trapezoidal commutation algorithms while leaving headroom for a UART debug interface. Industrial 2.3V-5.5V operation allows direct connection to 3.3V or 5V gate drivers.
Recommended
LED Lighting Drivers and Dimming
For mains-dimmable LED lamps and architectural lighting, the PIC16F1613-E/ST provides Zero-Cross Detection for synchronous phase-control dimming and CLC blocks for digital filtering of TRIAC chatter without external components. The 10-bit ADC with computation measures LED current via a sense resistor and modulates PWM duty on the CCP output. XLP nanoWatt sleep mode drops standby consumption below 100nA, helping meet ENERGY STAR and EU Ecodesign standby limits. The 14-pin TSSOP is small enough to fit inside E12 lamp form factors.
Recommended
Capacitive Touch (mTouch) User Interfaces
The PIC16F1613-E/ST implements Microchip's mTouch capacitive touch sensing using the on-chip 10-bit ADC with computation (CVD mode) and dedicated CLC logic cells. Up to 8 analog-capable pins in the TSSOP-14 package support multi-button sliders and wheel interfaces without external sense capacitors. The 24-bit SMT handles long-timebase button-press and gesture timing. The XLP sleep current keeps battery-powered touch remotes alive for years on a single coin cell. Microchip's mTouch library and MCC code configurator auto-generate the CVD firmware layer.
Recommended
Household Appliance Control
Coffee makers, washing machines, induction cooktops, and microwave ovens all benefit from the PIC16F1613-E/ST's combination of 24-bit SMT for precise timer functions, Zero-Cross Detect for triac switching, and EUSART/MSSP for HMI board communication. The -40C to +125C extended temperature range handles under-hood and kitchen-oven environments. 256 bytes of EEPROM store user preferences and calibration constants across power cycles without external memory ICs.
Recommended
IoT Edge Sensor Nodes
Battery-powered wireless sensor nodes use the PIC16F1613-E/ST as the host MCU for sensor I/O, timing, and protocol handling before forwarding data to a sub-GHz or BLE radio. The nanoWatt XLP sleep mode drops quiescent current below 1uA, enabling multi-year battery life on a 2xAA pack. The 10-bit ADC reads temperature, humidity, and battery voltage; the EUSART interfaces to popular modules like RN2483 (LoRa) or RN4870 (BLE). PPS allows flexible pin assignment for antenna-switch control without board rework.
Recommended
Smoke and Fire Detector Front-Ends
Smoke detectors and CO sensor front-ends rely on the PIC16F1613-E/ST for low-power analog monitoring and alarm-tone generation. The 24-bit SMT drives a precision PWM horn pattern, the ADC reads photoelectric smoke chamber current, and XLP sleep extends the 10-year battery life required by UL 217. The -40C to +125C rating covers garage-attic installation environments. Internal EEPROM logs the last-test timestamp and battery self-test result.
Recommended
Consumer White Goods (Fans, Purifiers, Small Pumps)
Tower fans, air purifiers, and small pump controllers use the PIC16F1613-E/ST to drive BLDC or brushed motors via onboard CCP and Zero-Cross blocks. The Peripheral Pin Select (PPS) system lets designers reroute UART, PWM, and INT pins without respinning the PCB, accelerating development. The TSSOP-14 footprint is small enough for hand-held appliances, while the industrial temp range handles kitchen heat. CCP and EUSART interfaces support LED ring indicators and Bluetooth remote control.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1613-E/ST — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1613-I/ST | PIC16F1575-E/ST | PIC16F1574-E/ST | PIC16F1503-I/ST | PIC16F1455-I/ST |
|---|---|---|---|---|---|---|
| Package | 14-pin TSSOP (ST) | 14-pin TSSOP (ST) - same | 14-pin TSSOP (ST) - same | 14-pin TSSOP (ST) - same | 14-pin TSSOP (ST) - same | 14-pin TSSOP (ST) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 3.5 KB | 3.5 KB | 7 KB | 7 KB | 5.5 KB | 14 KB |
| RAM | 256 bytes | 256 bytes | 512 bytes | 512 bytes | 384 bytes | 1024 bytes |
| 24-bit SMT | Yes | Yes | No | No | No | No |
| CLC / Zero-Cross Detect | Yes | Yes | No | No | No | No |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 20 MHz | 48 MHz |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Temperature Range | -40C to +125C (E suffix) | 0C to +70C (I suffix) | -40C to +125C (E suffix) | -40C to +125C (E suffix) | 0C to +70C (I suffix) | 0C to +70C (I suffix) |
| Estimated Unit Price (qty 1) | $1.62 | $1.45 | $1.70 | $1.60 | $1.30 | $1.85 |
Key Differentiators
- Integrated 24-bit SMT and Zero-Cross Detect for motor and lighting (vs PIC16F1574-E/ST)
- Configurable Logic Cells (CLC) for hardware glue logic (vs PIC16F1455-I/ST)
- PPS allows pin remapping without PCB re-spin (vs PIC16F1503-I/ST)
Design Notes
Place a 100nF decoupling capacitor as close as possible to the VDD pin (pin 14) and a bulk 10uF tantalum/ceramic on the same node. Use a separate AVSS/AGND connection tied back to VSS at one point (star-ground) if ADC accuracy matters. The XLP nanoWatt sleep mode requires VDD to remain stable; verify any reset/brownout circuit (BOR) is enabled in configuration bits for battery-powered designs to avoid lock-up at low VDD.
Route the ICSP clock/data lines (ICSPCLK/ICSPDAT) to a single-row programming header accessible from the board edge. Keep the MCLR/RA3 line short and add the standard 10k pull-up to VDD - the ICSP programmer relies on this. For AC line-sensing designs, place the zero-cross network (resistor bridge + opto-isolator) close to the Zero-Cross Detect pin to minimize noise pickup that could mis-fire the triac.
Peripheral Pin Select (PPS) assignments are locked per-pin at runtime - if your code reassigns a PPS output to a new pin, the old pin will revert to GPIO. Always explicitly unlock PPS (PPSLOCK = 0x55, 0xAA), make the assignment, then re-lock. Forgetting the unlock sequence silently fails PPS writes and leaves peripherals on wrong pins, causing confusing board bring-up issues.
For capacitive-touch (mTouch) CVD layouts, route the sense traces with a small ground-hatched pour separated by 0.5mm to reduce stray capacitance to ground. Keep touch traces short (<50mm) and avoid running them parallel to noisy digital lines. Add a 100pF-to-1nF series resistor close to the ADC pin to limit inrush current that can trip ESD clamps.
Compliance Information
RoHS and REACH compliance per Microchip material declaration. Industrial -E temperature grade, not AEC-Q100 qualified (use PIC16F1613-E/ST - automotive versions are different MPNs). Lead-free reflow-compatible to 260C peak.
