PIC16LF1575-I/SL - 8-bit MCU, 14KB Flash, 32MHz, 10-bit ADC | Microchip
부품 번호: PIC16LF1575-I/SL ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.95 | $1.95 |
| 10 | $1.78 | $17.80 |
| 100 | $1.55 | $155.00 |
| 500 | $1.32 | $660.00 |
| 1,000 | $1.18 | $1,180.00 |
PIC16LF1575-I/SL 개요
An 8-bit PIC microcontroller (MCU) is a compact, low-power computing core built on Microchip's enhanced RISC architecture. Within the broader taxonomy, the PIC16LF1575 belongs to the mid-range PIC16 family, which itself is part of Microchip's 8-bit MCU portfolio that scales upward to PIC18 and PIC24 and downward to PIC10/12. The MCU integrates CPU, Flash, RAM, peripherals, and I/O onto a single die, eliminating external memory and reducing BOM cost for high-volume embedded designs.
Key differentiating features include four independent 16-bit PWMs with dedicated timers, a 5-bit DAC, a Complementary Waveform Generator (CWG), a 16-bit PWM with edge-aligned and center-aligned modes, and a hardware 10-bit ADC. These peripheral combinations are designed for applications that require high-resolution pulse-width control and analog generation, such as LED lighting and motor control.
Architecturally, the device uses a Harvard RISC core with a single-cycle instruction execution at 32 MHz (8 MIPS), 49 instruction set, and a 14-bit instruction word. The integrated 32 MHz internal oscillator reduces external component count. A wide array of communication peripherals includes I2C, SPI, and UART with Enhanced Addressable USART support, plus a configurable Logic Cell Module and Numerically Controlled Oscillator for custom digital logic synthesis.
Typical applications include LED lighting drivers, white goods and small motor drives, general-purpose low-cost embedded control, sensor interface controllers, and battery-powered IoT devices. The industrial temperature grade also makes it suitable for factory automation and HMI front-ends.
When designing with the PIC16LF1575, verify that the 1.8V minimum VDD does not collide with the 3.3V external logic rails your design uses - the LF (low-voltage) family is intentionally voltage-limited compared to the standard F (3.0V-5.5V) PIC16F1575. Plan input/output pin budgeting against the 14-pin SOIC package; this variant exposes 12 I/O.
This page consolidates distributor pricing, drop-in SOIC-14 alternatives, and practical design notes that are not aggregated on any single manufacturer or distributor page.
드롭인 대체품: PIC16LF1575-I/SL — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16LF1575-I/SL (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Core Architecture, Operating Voltage Range, Mounting Type.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16LF1575T-I/SL
✅ 드롭인✓ 재고 있음
$0.88 / 개
데이터시트 보기 →PIC16LF1575-I/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC16LF1575-I/ST
✅ 드롭인✓ 재고 있음
$1.2 / 개
데이터시트 보기 →PIC16LF1575-E/SL
✅ 드롭인✓ 재고 있음
$0.85 / 개
데이터시트 보기 →PIC16LF1574-I/SL
✅ 드롭인✓ 재고 있음
$0.86 / 개
데이터시트 보기 →PIC16LF1575-I/SL 최대 정격 & 전기적 특성
| Core Architecture | 8-bit PIC16 Enhanced RISC, Harvard |
| Instruction Word | 14-bit |
| Program Memory (Flash) | 14 KB (8K x 14) |
| Data SRAM | 1 KB |
| Data EEPROM | Not present on this variant |
| Maximum CPU Frequency | 32 MHz |
| Performance | 8 MIPS (32 MHz, single-cycle instruction) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| ADC | 10-bit |
| DAC | 5-bit |
| 16-bit PWM Channels | 4 (independent timers) |
| Complementary Waveform Generator (CWG) | Yes |
| Comparators | Yes |
| Communication Peripherals | I2C, SPI, EUSART (UART) |
| I/O Pins | 12 |
| 동작 온도 | -40 C to +85 C (Industrial) |
| 패키지 | 14-SOIC (SL), 3.90 mm body, 1.27 mm pitch |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
| Lead-Free | Yes |
PIC16LF1575-I/SL 핀 구성
| 핀 1 | RA5 — Bidirectional I/O / analog input / digital-only on selected variants |
| 핀 2 | RA4 — Bidirectional I/O / analog input |
| 핀 3 | RA3 — Bidirectional I/O / analog input / MCLR input |
| 핀 4 | RA2 — Bidirectional I/O / analog input |
| 핀 5 | RA1 — Bidirectional I/O / analog input |
| 핀 6 | RA0 — Bidirectional I/O / analog input |
| 핀 7 | VSS — Ground reference |
| 핀 8 | RC0 — Bidirectional I/O / analog input |
| 핀 9 | RC1 — Bidirectional I/O / analog input |
| 핀 10 | RC2 — Bidirectional I/O / analog input |
| 핀 11 | RC3 — Bidirectional I/O / analog input |
| 핀 12 | RC4 — Bidirectional I/O / analog input |
| 핀 13 | RC5 — Bidirectional I/O / analog input |
| 핀 14 | VDD — Positive supply (1.8 V to 3.6 V) |
일반적인 애플리케이션
PIC16LF1575-I/SL 적합 용도: 6 애플리케이션s: LED Lighting Drivers, Small Motor Control, Battery-Powered IoT Sensors, White Goods and Appliance Control, General-Purpose Low-Cost Embedded Control, Industrial HMI Front-Ends.
LED Lighting Drivers
The PIC16LF1575-I/SL's four independent 16-bit PWM channels with edge-aligned and center-aligned modes are purpose-built for high-resolution LED dimming. Each PWM drives its own timer, enabling precise hue and intensity control in RGB or tunable-white fixtures. The 1.8V-3.6V LF range supports direct lithium-coin-cell or single-cell Li-ion operation, eliminating boost-converter complexity in compact luminaire designs. The integrated 10-bit ADC handles ambient-light feedback, while the 5-bit DAC provides bias reference for analog LED current loops.
추천
Small Motor Control
For half-bridge and full-bridge BLDC or brushed-DC motor drives, the PIC16LF1575-I/SL provides four 16-bit PWMs plus a dedicated Complementary Waveform Generator (CWG) that automatically inserts dead-time. Center-aligned PWM reduces switching losses in the FET bridge, while independent timers let one channel run the commutation loop while the others handle sensors. The 32 MHz / 8 MIPS core sustains background torque-control algorithms without PWM jitter, and the 1.8V-3.6V supply suits Li-ion-pack motor packs directly.
추천
Battery-Powered IoT Sensors
The PIC16LF1575-I/SL's 1.8V-3.6V supply window and low-power Sleep mode make it ideal for coin-cell or Li-ion powered IoT nodes. The 10-bit ADC reads sensor outputs (temperature, humidity, gas) at sub-microamp quiescent, while the EUSART and I2C wake the MCU only when RF transceivers or accelerometers signal events. With 1KB RAM and 14KB Flash, the device fits BLE-pipe protocols and periodic edge-AI inference routines without external memory, keeping BOM cost and idle current minimal.
추천
White Goods and Appliance Control
Washing machines, dishwashers, and induction cooktops need microcontrollers that tolerate mains-derived noise and switch high-side loads cleanly. The PIC16LF1575-I/SL provides four 16-bit PWMs to drive TRIAC firing angles, MOSFET gate timing, and synchronous rectification. Its 14KB Flash stores appliance firmware state machines, while the 10-bit ADC senses line voltage, current, and temperature. The industrial -40C to +85C grade handles kitchen and laundry thermal environments with margin.
추천
General-Purpose Low-Cost Embedded Control
For high-volume consumer products where BOM cost dominates, the PIC16LF1575-I/SL delivers 32 MHz MIPS-class performance in a 14-SOIC package at sub-$2 unit pricing in 1K reels. The Core Independent Peripherals (CIPs) - CWG, 16-bit PWM, ADC, comparator - let the MCU perform signal conditioning and motor control without consuming CPU cycles. This combination supports toys, HVAC controls, and simple HMI front-ends at aggressive cost targets.
추천
Industrial HMI Front-Ends
Factory-floor operator panels require robust digital logic that survives EMI and wide thermal swings. The PIC16LF1575-I/SL provides the deterministic interrupts and Core Independent Peripherals to scan key matrices, drive character LCDs, and read encoder knobs in real time without CPU loading. With 14KB Flash, simple ladder-logic-style programs fit comfortably, and the 1.8V-3.6V supply lets designers share a 3.3V rail across the HMI subsystem without boost/buck converters.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16LF1575-I/SL — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16LF1575T-I/SL | PIC16LF1575-I/SO | PIC16LF1575-I/ST | PIC16LF1575-E/SL | PIC16LF1574-I/SL |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-SOIC (SL) | 14-SOIC (SL) - same | 14-SOIC (SO) - same body, alt lead frame | 14-TSSOP (ST) - smaller outline | 14-SOIC (SL) - same | 14-SOIC (SL) - same |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB | 7 KB (-50%) |
| Data SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 512 B (-50%) |
| 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 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +85 C (I) |
| 16-bit PWM Channels | 4 | 4 | 4 | 4 | 4 | 4 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
주요 차별점
- Low-voltage 1.8 V operation for direct battery interface (vs PIC16F1575 (3.0 V to 5.5 V variant))
- Industrial temperature grade for harsh environments (vs PIC16LF1575-E/SL (Extended grade))
- Four independent 16-bit PWM channels (vs PIC16LF1574-I/SL (smaller Flash sibling))
설계 노트
Decouple VDD (pin 14) and VSS (pin 7) with a 100 nF ceramic capacitor placed within 5 mm of the package pins; add a bulk 10 uF tantalum or aluminum polymer cap on the same rail to handle PWM switching transients. The PIC16LF1575 LF rail tolerates 1.8 V to 3.6 V; never connect a 5 V rail directly to VDD or you will damage the silicon. Estimated: at 32 MHz / 3.3 V active current ~3.5 mA, at 32 kHz Sleep current ~20 nA (verify against the exact speed mode in the datasheet).
Do not substitute the PIC16F1625/1575 'F' (3.0-5.5 V) part on a PIC16LF1575 'LF' (1.8-3.6 V) design without verifying the supply rail - the LF silicon uses thinner gate oxide and will fail under 5 V stress. Likewise, the PIC16LF1575 cannot operate above 3.6 V even with code that targets 5 V rails. The MCLR pin (shared with RA3 on most PIC16 packages) must be pulled up through a 10 k-100 k resistor and never left floating at start-up.
Route the four 16-bit PWM outputs on RC0-RC5 away from analog ADC inputs to prevent capacitive coupling of PWM edges into ADC readings. Place the analog VDD/VSS pins (or ferrite-isolated analog ground) separately if your design routes the ADC reference to a high-impedance source. For TSSOP-14 (ST) variants, use 0.5 mm-pitch routing, and for SOIC-14 (SL/SO) use the standard 1.27 mm pitch. Keep PWM traces short (<50 mm) and add 33 ohm series resistors for impedance control on long runs.
The 10-bit ADC achieves best accuracy when the input source impedance is below 5 kohm; for higher-impedance sensors, buffer with an op-amp or use the internal CTMU for capacitive-touch measurements. The EUSART supports asynchronous mode up to the device clock rate; for reliable 115200 baud at 32 MHz clock, configure BRG = 16 (SP1BRGH/L = 0x0010) per the datasheet baud-rate table to keep error under 0.5%.
규정 준수 정보
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified; for automotive-grade options, evaluate the PIC16F1575 family under Microchip's automotive MCU portfolio. Halogen-free status not found in provided data - confirm with Microchip direct if required.
