PIC16LF1575-I/JQ - 8-Bit MCU, 32MHz, 14KB Flash, 16-UQFN | Microchip
N.º de pieza: PIC16LF1575-I/JQ ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $1.62 | $1,62 |
| 10 | $1.49 | $14,90 |
| 100 | $1.31 | $131,00 |
| 500 | $1.18 | $590,00 |
| 1.000 | $1.04 | $1.040,00 |
PIC16LF1575-I/JQ Descripción general
What is a PIC16 microcontroller? The PIC16F157x family belongs to Microchip's 8-bit PIC microcontroller lineup (PIC -> 8-bit MCU -> microcontroller -> semiconductor). PIC16F devices use a modified Harvard RISC architecture with a 14-bit instruction word, offering predictable instruction timing, small code footprint, and broad peripheral integration including Core Independent Peripherals (CIPs) such as CWG, NCO, and PWM that offload tasks from the core. The 'LF' sub-family specifies a low-voltage core (1.8 V to 3.6 V) optimized for nanoWatt XLP battery-powered applications.
Key features include four independent 16-bit PWMs with hardware triggering for high-resolution control (LED lighting, motor control), a 10-bit ADC with acquisition time configurable via the ADCON register, a 5-bit DAC for voltage reference trimming, and the Complementary Waveform Generator (CWG) which produces complementary PWM outputs with programmable dead-band for half-bridge driver control. The device also includes the Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) supporting RS-232, RS-485, and LIN protocols, and PPS which remaps most digital peripherals to a wide range of I/O pins for simplified PCB layout.
Typical applications include LED lighting and color-mixing controllers, complementary half-bridge or full-bridge gate drivers for small motors and Class-D audio stages, low-power sensor nodes with interrupt-driven wake-up, battery-powered consumer devices with USB or LIN connectivity, and white goods or appliance front-panel controls. The combination of four 16-bit PWMs, CWG, and a 5-bit DAC in a small UQFN-16 footprint makes this MCU a strong fit for cost-sensitive mixed-signal designs.
Designers should note that the 'I/JQ' suffix denotes the industrial temperature grade and the 16-pin UQFN-EP (4x4 mm) package. The exposed pad is the IC's substrate and is internally connected to VSS; it must be soldered to the PCB ground plane for electrical and thermal performance. Decoupling capacitors should be placed as close as possible to VDD and VSS pins per Microchip's recommended layout guidelines.
This page synthesizes verified distributor pricing, package-specific drop-in alternatives, and practical design notes drawn from Microchip application briefs - information that complements the manufacturer datasheet for sourcing and BOM decisions.
Alternativas directas para PIC16LF1575-I/JQ — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC16LF1575-I/JQ (mismo factor de forma y huella) — difiere en Package, Program Memory (Flash), Core Architecture, Operating Temperature, RoHS Status.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16LF1574-I/JQ
✅ Sustitución directa✓ En stock
$0.94 / unidad
Ver hoja de datos →PIC16LF1574-E/JQ
✅ Sustitución directa✓ En stock
$0.58 / unidad
Ver hoja de datos →PIC16LF1454-I/JQ
✅ Sustitución directa✓ En stock
$1.13 / unidad
Ver hoja de datos →PIC16LF15325-I/JQ
✅ Sustitución directa✓ En stock
$0.99 / unidad
Ver hoja de datos →PIC16LF15324-I/JQ
✅ Sustitución directa✓ En stock
$0.81 / unidad
Ver hoja de datos →PIC16LF1575-I/JQ Valores máximos y características eléctricas
| Core Architecture | PIC16 (8-bit RISC, 14-bit instruction word) |
| Family | PIC16F157x (LF = low-voltage 1.8-3.6V) |
| Frecuencia de reloj máxima | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| I/O Pins | 12 |
| ADC | 10-bit, up to 8 channels |
| DAC | 5-bit, 1 channel |
| PWM Modules | 4 x 16-bit (independent) |
| Operating Voltage | 1.8 V to 3.6 V |
| Temperatura de funcionamiento | -40 C to +85 C (industrial, 'I' grade) |
| Encapsulado | 16-pin UQFN-EP (4x4 mm) with exposed thermal pad |
| Package Code | JQ |
| Tipo de montaje | Surface Mount |
| Communication | EUSART (RS-232/RS-485/LIN) |
| Special Peripherals | CWG, NCO, PPS, Configurable Logic Cell (CLC) |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de PIC16LF1575-I/JQ
| Pin 1 | RA5 — Bidirectional I/O / analog input |
| Pin 2 | RA4 — Bidirectional I/O / analog input |
| Pin 3 | RA3/MCLR — Bidirectional I/O / Master Clear (reset) input |
| Pin 4 | RC5 — Bidirectional I/O / analog input |
| Pin 5 | RC4 — Bidirectional I/O / analog input |
| Pin 6 | RC3 — Bidirectional I/O / analog input |
| Pin 7 | RC2 — Bidirectional I/O / analog input |
| Pin 8 | RC1 — Bidirectional I/O / analog input |
| Pin 9 | RC0 — Bidirectional I/O / analog input |
| Pin 10 | RA2 — Bidirectional I/O / analog input |
| Pin 11 | RA1 — Bidirectional I/O / analog input / ICSPCLK |
| Pin 12 | RA0 — Bidirectional I/O / analog input / ICSPDAT |
| Pin 13 | VSS — Ground reference |
| Pin 14 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 15 | RA7 — Bidirectional I/O |
| Pin 16 | RA6 — Bidirectional I/O |
| Pin EP | EP (Exposed Pad) — Internally bonded to VSS - must be soldered to PCB ground pour |
Aplicaciones típicas
PIC16LF1575-I/JQ es adecuado para 7 aplicacións: LED Lighting and Color-Mixing Controllers, Battery-Powered Sensor Nodes, Small Motor Control (BLDC / Stepper / Brushed DC), Automotive LIN Bus Sub-Modules, Class-D Audio Front-End / PWM Modulator, White Goods and Appliance Front-Panel Controls, Industrial Control and Process Monitoring.
LED Lighting and Color-Mixing Controllers
The PIC16LF1575-I/JQ is well-suited for LED lighting and color-mixing designs thanks to its four independent 16-bit PWM channels and 5-bit DAC. Each 16-bit PWM delivers 65536-step resolution, enabling smooth dimming curves and precise color temperature or RGB cross-fades without flicker artifacts. The 'LF' low-voltage core (1.8 V to 3.6 V) supports direct operation from a small buck or boost converter, while nanoWatt XLP sleep currents below 1 uA allow battery-powered fixtures. Designers pair the CWG with a half-bridge driver for high-side PWM dimming of power LEDs, and use the 10-bit ADC for feedback from an ambient light sensor for closed-loop brightness control. The 14 KB Flash budget accommodates typical DMX-512, DALI, or ZigBee RGBW reference stacks.
Recomendado
Battery-Powered Sensor Nodes
The PIC16LF1575-I/JQ fits low-power IoT sensor node designs where sleep current, peripheral wake-up capability, and footprint matter more than raw MIPS. The 'LF' core operates down to 1.8 V, drawing nanoWatt XLP sleep currents below 1 uA with RTC and interrupt-on-change wake sources active. The 10-bit ADC with up to 8 channels can sample thermistor, photodiode, or moisture-bridge sensors at kHz rates, while the EUSART and PPS-supported serial interfaces connect to UART-based radio modules like the MRF89XA sub-GHz transceiver. The 16-UQFN (4x4 mm) footprint leaves room for coin-cell or 2xAA batteries on small PCB assemblies. With 14 KB Flash, the firmware comfortably fits typical sensor-stack libraries including interrupt-driven wake, ADC averaging, and packet formatting.
Recomendado
Small Motor Control (BLDC / Stepper / Brushed DC)
The PIC16LF1575-I/JQ drives small BLDC, stepper, or brushed DC motors using the on-chip Complementary Waveform Generator (CWG) and four 16-bit PWMs. The CWG generates complementary PWM pairs with programmable dead-band control (down to tens of nanoseconds), providing the gate-drive signals required by half-bridge drivers such as the MCP14A0901 or IRS2003 family. For three-phase BLDC at low power, the firmware switches between PWMs via the CWG in trapezoidal commutation mode, while the 10-bit ADC samples back-EMF or shunt current for sensorless or closed-loop control. The 32 MHz core provides the bandwidth needed for 20 kHz PWM rates with margin for ADC sampling and control law execution. The compact 16-UQFN footprint and 1.8 V minimum supply support integration directly on the motor-driver PCB.
Recomendado
Automotive LIN Bus Sub-Modules
The PIC16LF1575-I/JQ's EUSART, PPS, and 1.8 V to 3.6 V supply with -40 C to +85 C industrial temperature make it a fit for LIN bus sub-modules in body electronics (interior lighting, seat controllers, mirror switches, HVAC flaps). The firmware implements a LIN 2.x slave stack on top of the EUSART, with timers and the 16-bit PWMs handling actuator PWM commands and the CWG producing complementary drive for motor loads. Combined with a Microchip MCP2003A or MCP2025 LIN transceiver, the part forms a complete, small-footprint LIN node. While the 'I' (industrial) grade does not carry the automotive AEC-Q100 qualification, designs requiring AEC-Q100 should select an equivalent part from the PIC16F157x automotive-grade family.
Recomendado
Class-D Audio Front-End / PWM Modulator
The PIC16LF1575-I/JQ can serve as the PWM modulator front-end for a small Class-D audio amplifier, leveraging its four 16-bit PWMs and the CWG. Two PWMs generate complementary left/right audio PWM with low distortion at 250 kHz to 1 MHz switching rates, while the CWG adds programmable dead-band to prevent shoot-through in the output stage. The 10-bit ADC can read supply voltage or temperature for amplifier protection. The 32 MHz core executes modest DSP-like modulation updates within the audio switching period. Combined with a gate driver and MOSFET output stage, the PIC16LF1575 forms a compact, low-cost mono/stereo Class-D amplifier module. The industrial temperature range supports consumer audio product environments.
Recomendado
White Goods and Appliance Front-Panel Controls
The PIC16LF1575-I/JQ fits white goods front-panel controllers (washing machines, dishwashers, microwave ovens, refrigerators) where capacitive touch, LED indicators, and small motor loads all live on the same board. The 10-bit ADC reads multiple potentiometers or thermistor inputs, the 16-bit PWMs drive indicator LEDs and small cooling fans, and the CWG complements the half-bridge for a buzzer or solenoid driver. The EUSART connects to a main appliance control board or display module. The 14 KB Flash stores user interface state machines and modest power-management code, while the 16-UQFN (4x4 mm) package and 1.8 V minimum supply simplify integration on densely populated front-panel PCAs.
Recomendado
Industrial Control and Process Monitoring
The PIC16LF1575-I/JQ fits small industrial control and process monitoring modules where its EUSART, ADC, and PWM outputs cover the typical analog and digital I/O mix. The 10-bit ADC acquires 4-20 mA loopback signals (via a shunt resistor and op-amp), thermocouple or RTD-conditioned inputs, and potentiometer setpoints; the 16-bit PWMs modulate proportional valves or solid-state relay drivers; and the EUSART reports data to a host PLC or gateway. The -40 C to +85 C industrial temperature range supports factory floor enclosures without active cooling. The 14 KB Flash accommodates Modbus RTU slave firmware, calibration tables, and PID loop code, while the 16-UQFN footprint eases integration into DIN-rail-mountable module PCBs.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16LF1575-I/JQ — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16LF1574-I/JQ | PIC16LF1574-E/JQ | PIC16LF1454-I/JQ | PIC16LF15325-I/JQ | PIC16LF15324-I/JQ |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-UQFN-EP (4x4, JQ) | 16-UQFN-EP (4x4, JQ) - same | 16-UQFN-EP (4x4, JQ) - same | 16-UQFN-EP (4x4, JQ) - same | 16-UQFN-EP (JQ) - same | 16-UQFN-EP (JQ) - same |
| Flash Memory | 14 KB | 7 KB | 7 KB | 14 KB | 14 KB | 7 KB |
| SRAM | 1 KB | 512 B | 512 B | 1 KB | 1 KB | 512 B |
| Max Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 12 | 12 | 12 | 14 | 12 | 12 |
| PWM Modules | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit | 2 x 10-bit + 2 x 16-bit | 4 x 10-bit | 4 x 10-bit |
| CWG (Complementary Waveform Generator) | Yes | Yes | Yes | No | Yes | Yes |
| Operating Voltage | 1.8 V to 3.6 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 | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Diferenciadores clave
- Same JQ UQFN-16 footprint with larger Flash and SRAM (frente a PIC16LF1574-I/JQ)
- Higher PWM resolution for high-end motor and lighting control (frente a PIC16LF1454-I/JQ)
- On-chip Complementary Waveform Generator (CWG) for half-bridge drivers (frente a PIC16LF1454-I/JQ)
- Industrial temperature range with stronger peripheral integration than PIC16LF153xx migration (frente a PIC16LF15325-I/JQ)
Notas de diseño
The 16-UQFN (4x4 mm) package exposes a thermal pad (EP) at the bottom that is internally bonded to VSS. Per Microchip layout guidance, the EP must be soldered to a PCB ground pour with multiple thermal vias for both electrical return and thermal dissipation. Failure to solder the EP can result in unstable operation or partial pin-to-pin short to VDD. Place a 0.1 uF decoupling capacitor as close as possible to each VDD/VSS pair, with a bulk 10 uF capacitor nearby on the supply rail.
The PIC16LF1575-I/JQ 'LF' sub-family operates from 1.8 V to 3.6 V. For two-cell alkaline or NiMH designs, ensure the worst-case loaded battery voltage stays above 1.8 V under all operating conditions. The nanoWatt XLP sleep current is below 1 uA in retention mode with the RTC active, enabling coin-cell lifetimes of years. Brown-out reset (BOR) is configurable via configuration bits and should always be enabled in production firmware to prevent undefined behavior during power-down events.
When migrating from PIC16F1574 (14-pin) to PIC16LF1575 (16-pin) in the same UQFN-16 footprint, verify pinout compatibility - while both share the JQ package code, the additional pins are remapped to different functions on each device. Always cross-check the device datasheet pin tables, not just the package outline. A common mistake is configuring an analog input on a pin that does not support ADC on the chosen variant, which silently produces zero readings. Use the MPLAB Code Configurator (MCC) peripheral manager to validate pin assignments before PCB fab.
For PWM-driven applications, place the PIC16LF1575-I/JQ away from analog signal traces and near the connector or driver stage to minimize PWM-edge coupling on sensitive analog inputs. The 16-bit PWM modules can switch at up to 32 MHz with sub-percent duty cycle, so radiated harmonics can couple into nearby analog routing if not adequately guarded. Use a ground pour under the MCU and keep analog grounds separate from switching grounds, joined at a single star point.
Información de cumplimiento
RoHS compliant per Microchip product page. Industrial 'I' temperature grade (-40 C to +85 C) - not AEC-Q100 automotive qualified. For AEC-Q100 applications, an automotive-grade variant must be selected.
