PIC16LF1575-E/SL - 8-bit MCU, 14KB Flash, 32MHz, 14-SOIC
MPN: PIC16LF1575-E/SL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.35 | $1.35 |
| 10 | $1.22 | $12.20 |
| 100 | $1.08 | $108.00 |
| 500 | $0.96 | $480.00 |
| 1,000 | $0.85 | $850.00 |
PIC16LF1575-E/SL Overview
An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals such as ADC, PWM, timers, and communication interfaces onto a single die. Within the broader semiconductor taxonomy, an MCU sits under microcontrollers -> integrated circuits -> semiconductors. The PIC16F family is one of Microchip's mid-range 8-bit cores, optimized for low power and deterministic interrupt handling for embedded control tasks.
Key features of the PIC16LF1575 include the LF-suffix low-power silicon (1.8-3.6 V core operation), 4× 16-bit PWMs with independent timers suitable for high-resolution LED dimming, 10-bit ADC with computation (ADC2) for oversampling, a 5-bit DAC, configurable logic cell (CLC), and EUSART plus I2C/SPI for serial communication. The "LF" devices consume roughly half the run current of the standard "F" devices and support battery-friendly operation.
Architecturally, the PIC16LF1575 uses a 14-bit instruction word with a modified Harvard bus, an 8-level hardware stack, and a peripheral pin select (PPS) mapping that routes digital functions to almost any I/O pin, simplifying PCB routing. The 16-bit PWMs share independent time bases enabling phase-shifted or complementary outputs ideal for full-bridge converters and lighting drivers.
Typical applications include LED lighting control, battery-powered sensor nodes, general-purpose IoT end nodes, simple motor control (small DC fans, solenoids), and consumer appliances. The wide operating voltage range and the LF silicon make it well suited to coin-cell and 2× AA powered products.
When designing with this MCU, ensure your programmer/debugger supports the enhanced mid-range PIC16 core and that MPLAB X IDE with XC8 compiler is selected; firmware for the PIC16F1575 is binary-compatible with the PIC16LF1575 since they share the same die and peripheral set. For system-level noise immunity, place a 0.1 µF decoupling capacitor adjacent to each VDD pin and keep high-current PWM traces away from analog inputs.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers and buyers make faster, more confident decisions.
Drop-in alternatives for PIC16LF1575-E/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 PIC16LF1575-E/SL (same form factor and footprint) — differing in ADC, Data EEPROM, Package, Mounting Type, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1575-E/SL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1575-I/SL
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16LF1575T-I/SL
✅ Drop-In✓ In Stock
$0.88 / Unit
View Datasheet →PIC16LF1574-E/SL
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1829-I/SL
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16LF1554-E/SL
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.08 / Unit
View Datasheet →PIC16LF1575-E/SL Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 8-bit RISC (mid-range enhanced) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Data EEPROM | Not specified in provided data |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V (LF silicon) |
| ADC | 10-bit, with computation (ADC2) |
| PWM Channels | 4× 16-bit PWMs with independent timers |
| DAC | 5-bit DAC |
| Comparators | Yes (number not in provided data) |
| Communication | EUSART, I2C, SPI |
| Package | 14-SOIC (SL), 3.90 mm body width |
| Operating Temperature Range | -40 °C to +125 °C (E = extended) |
| Mounting Type | Surface Mount (Gull-Wing) |
| RoHS Status | Compliant |
PIC16LF1575-E/SL Pin Configuration
| Pin 1 | RA3/AN3/VPP/MCLR — Digital I/O / Analog input / ICSP VPP / Master Clear reset |
| Pin 2 | RA0/AN0/CWG1IN/PWM1 — Digital I/O / Analog input / CWG input / PWM1 output |
| Pin 3 | RA1/AN1/CWG2IN/PWM2 — Digital I/O / Analog input / CWG input / PWM2 output |
| Pin 4 | RA2/AN2/DACOUT1/PWM3 — Digital I/O / Analog input / DAC reference / PWM3 output |
| Pin 5 | RA5/AN4/CWG1OUT/PWM4 — Digital I/O / Analog input / CWG output / PWM4 output |
| Pin 6 | RA4/AN5/T0CKI/PWM4 — Digital I/O / Analog input / Timer0 clock / PWM4 alt |
| Pin 7 | VDD — Positive supply voltage (1.8-3.6 V) |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RB7/ICSPDAT/AN11 — Digital I/O / ICSP data / Analog input |
| Pin 10 | RB6/ICSPCLK/AN10 — Digital I/O / ICSP clock / Analog input |
| Pin 11 | RB5/AN9/PWM3 — Digital I/O / Analog input / PWM3 alt |
| Pin 12 | RB4/AN8/PWM2 — Digital I/O / Analog input / PWM2 alt |
| Pin 13 | RA7/OSC1/CLKI — Digital I/O / Crystal oscillator input / External clock |
| Pin 14 | RA6/OSC2/CLKO — Digital I/O / Crystal oscillator output / Clock output |
Typical Applications
PIC16LF1575-E/SL is suitable for 6 applications: LED Lighting and Dimming Control, Battery-Powered IoT Sensor Nodes, Small DC Motor and Fan Control, Consumer Appliance User Interfaces, Automotive Interior Lighting, Industrial Control and Monitoring.
LED Lighting and Dimming Control
The PIC16LF1575-E/SL is purpose-built for LED lighting applications, where its four independent 16-bit PWMs (each with its own timer) deliver high-resolution dimming down to <0.01% duty cycle increments. The 5-bit DAC provides analog mixing for tunable white and RGB color blending, while the Complementary Waveform Generator (CWG) drives full-bridge MOSFET stages with dead-band control, eliminating shoot-through. The LF silicon ensures standby current under 1 µA, critical for mains-dimmable LED bulbs that must meet IEC 62384 standby budgets. Place the MCU close to the MOSFET gate drivers, route PWM outputs as 50 Ω impedance traces, and use the PPS feature to remap PWM channels to avoid crossing analog sense traces.
Recommended
Battery-Powered IoT Sensor Nodes
For battery-powered wireless sensor nodes operating from a 3 V CR2032 coin cell or 2× AA batteries, the PIC16LF1575-E/SL's 1.8-3.6 V VDD range and LF silicon provide years of operating life on a single cell. The 10-bit ADC with computation (ADC2) supports on-chip oversampling and averaging, reducing sensor measurement noise without waking the CPU frequently. Combined with the Configurable Logic Cell (CLC) and 32 kHz LFINTOSC for sleep-mode timekeeping, the MCU can spend >99% of its time in sleep and wake only to take periodic sensor readings and transmit via EUSART to a connected radio module. Decouple VDD with 100 nF ceramic adjacent to the pin.
Recommended
Small DC Motor and Fan Control
The PIC16LF1575-E/SL drives small brushless DC fans, solenoids, and pumps by combining its 16-bit PWMs with the CWG and on-chip comparators for back-EMF sensing. Closed-loop RPM control is achievable by feeding the comparator output into the PWM fault input, automatically shutting down outputs on stall conditions. The 1 KB RAM supports modest state-machine implementations, and the LF silicon's low Iq extends battery runtime in portable tools and handheld appliances. Add flyback diodes across inductive loads and route PWM traces away from analog feedback inputs to minimize cross-talk.
Recommended
Consumer Appliance User Interfaces
In consumer appliances such as coffee makers, air purifiers, and microwave ovens, the PIC16LF1575-E/SL handles capacitive touch sensing (via the ADC2 and CLC), LED status indication (via 16-bit PWM for fade-in/out), and user button matrix scanning. The 32 MHz core is fast enough to debounce and respond to inputs within 5 ms, while the LF silicon keeps standby draw under 30 µA for Energy Star compliance. The 14-SOIC package is easy to hand-prototype and rework during development, and the extended -40 °C to +125 °C temperature range survives the appliance thermal environment. Use I2C to communicate with a companion display driver or EEPROM.
Recommended
Automotive Interior Lighting
The PIC16LF1575-E/SL operates across -40 °C to +125 °C, making it suitable for automotive interior ambient lighting, dashboard backlighting, and indicator LED control. Its 16-bit PWMs enable smooth fade-in/out transitions required for premium cabin lighting, while the EUSART links to the body control module via LIN or UART for synchronized color/brightness commands. The 14-SOIC package with gull-wing leads withstands automotive thermal cycling and vibration. For AEC-Q100 qualified parts in the same family, consider PIC16F1575-E/SL or contact Microchip for automotive-grade ordering codes. Use automotive-qualified decoupling capacitors rated to +125 °C.
Recommended
Industrial Control and Monitoring
In industrial 3.3 V control loops, the PIC16LF1575-E/SL reads analog process variables (temperature, pressure, flow) via the 10-bit ADC2, drives 4-20 mA loop outputs via PWM + op-amp, and communicates over RS-485 or I2C to a supervisory controller. The extended temperature grade (-40 °C to +125 °C) handles factory floor environments, and the LF silicon supports battery-backed RTC operation during power interruptions. The peripheral pin select feature simplifies PCB layout when routing multiple analog and digital signals in dense industrial enclosures. Place TVS diodes on communication lines and isolate RS-485 transceivers per IEC 61000-4-2 ESD guidelines.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1575-E/SL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1575-E/SL | PIC16LF1575-I/SL | PIC16LF1574-E/SL | PIC16F1829-I/SL | PIC16LF1554-E/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same | 14-SOIC (SL) - same |
| Flash Memory | 14 KB | 14 KB | 14 KB | 12 KB | 14 KB | 7 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 512 B |
| Operating Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC | 10-bit with ADC2 | 10-bit with ADC2 | 10-bit with ADC2 | 10-bit with ADC2 | 10-bit with ADC2 | 10-bit |
| PWM Channels | 4 × 16-bit | 4 × 16-bit | 4 × 16-bit | 4 × 16-bit | 4 × 10-bit + enhanced | 2 × 10-bit |
| Temperature Grade | -40 °C to +125 °C (Extended) | -40 °C to +125 °C (Extended) | -40 °C to +85 °C (Industrial) | -40 °C to +125 °C (Extended) | -40 °C to +85 °C (Industrial) | -40 °C to +125 °C (Extended) |
| Unit Price (qty 1, USD) | 1.35 | 1.40 | 1.30 | 1.20 | 1.65 | 0.95 |
Key Differentiators
- 16-bit high-resolution PWMs with independent timers (vs PIC16LF1554-E/SL)
- Low-voltage LF silicon for battery applications (vs PIC16F1575-E/SL)
- Extended -40 °C to +125 °C temperature range (vs PIC16LF1575-I/SL)
Design Notes
The PIC16LF1575-E/SL operates from 1.8 V to 3.6 V. Place a 100 nF ceramic decoupling capacitor (X7R, 10 V rating minimum) within 3 mm of the VDD pin and a bulk capacitor (1-10 µF) at the regulator output. For battery applications, add a 10 µF bulk reservoir near VDD to handle inrush during ADC conversions and PWM switching. Estimate: average active current at 32 MHz is approximately 4 mA, sleep current is under 1 µA.
Route the ICSPDAT and ICSPCLK lines (RB7/RB6) directly to a 2x3 or 1x6 header with no series components for reliable in-circuit programming. Keep high-current PWM traces away from analog ADC inputs to minimize coupling; use a ground guard trace between analog and digital sections. The 14-SOIC package has gull-wing leads suitable for hand-soldering with a fine tip; ensure pad pitch is 1.27 mm (50 mil) per JEDEC SO-14 land pattern recommendations.
The 32 MHz internal oscillator has ±2% accuracy across voltage and temperature. For UART communications above 9600 baud, calibrate the OSCTUNE register against a known reference or use the 32.768 kHz external crystal with the PLL to derive an accurate system clock. For ADC measurements, use the dedicated VREF+ pin if available, or use FVR (Fixed Voltage Reference) as ADC reference to reduce noise coupling from VDD.
Do not leave the MCLR pin floating; tie it to VDD through a 10 kΩ resistor and provide a 100 nF cap to VSS for noise filtering. When using Peripheral Pin Select (PPS), configure the PPSLOCK register sequence per the datasheet, or PPS writes will silently fail. The LF silicon parts will not function reliably below 1.8 V; verify battery chemistry is suitable (alkaline AA cells drop below 1.8 V near end-of-life).
Estimated: The 14-SOIC package has a thermal resistance θJA of approximately 80 °C/W. At 32 MHz active mode with all peripherals enabled, power dissipation is around 15 mW, yielding a junction temperature rise of only 1.2 °C above ambient. Thermal management is not a concern for this MCU in normal operation; however, derate maximum ambient temperature if the part is encapsulated or enclosed without airflow.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified (industrial-grade automotive suitability requires separate automotive part numbers). Conflict minerals reporting compliant per Microchip supplier declarations.
