PIC16LF1769T-I/SS - 8-Bit MCU 14KB Flash 32MHz 20-SSOP | Microchip
부품 번호: PIC16LF1769T-I/SS ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.98 | $1.98 |
| 10 | $1.78 | $17.80 |
| 100 | $1.55 | $155.00 |
| 500 | $1.32 | $660.00 |
| 1,000 | $1.1 | $1,100.00 |
PIC16LF1769T-I/SS 개요
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path CPU, integrating flash program memory, RAM, peripherals (ADC, timers, communication blocks), and I/O pins on one die. The PIC16 architecture executes one instruction per clock cycle using a Harvard RISC core, so the 32 MHz oscillator delivers up to 8 MIPS of deterministic throughput. The 'LF' suffix denotes the low-voltage variant (1.8-3.6 V) and the 'T' suffix denotes tape-and-reel packaging for high-volume SMT assembly.
Key features of the PIC16LF1769T-I/SS include four 10-bit ADC channels with internal voltage reference, two on-chip operational amplifiers configurable for signal conditioning, four 16-bit timers, a 10-bit PWM module with complementary outputs, zero-cross detect for AC line sensing, and high-current I/O capable of sourcing/sinking higher than typical MCU pins. The XLP technology delivers sub-microamp sleep currents for battery-powered applications. The 20-SSOP package measures 5.30 mm wide and is footprint-compatible with other PIC16F176x and PIC16F1764/1765 family members, simplifying PCB reuse across product variants.
Typical applications include LED lighting controllers with dimming, sensor signal conditioning using the on-chip op amps, AC zero-cross switching for triac/SCR control, battery-powered IoT sensor nodes, and consumer white-goods control boards. The PIC16LF1769T-I/SS provides enough Flash and RAM for state-machine control loops with analog feedback while staying within tight cost and power budgets.
드롭인 대체품: PIC16LF1769T-I/SS — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16LF1769T-I/SS (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Operating Temperature, Core, High-Current I/O.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16LF1769-I/SS
✅ 드롭인✓ 재고 있음
$1.38 / 개
데이터시트 보기 →PIC16F1769-I/SS
✅ 드롭인✓ 재고 있음
$1.55 / 개
데이터시트 보기 →PIC16F1769T-I/SS
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$1.78 / 개
데이터시트 보기 →PIC16LF1768-I/SS
✅ 드롭인✓ 재고 있음
$0.86 / 개
데이터시트 보기 →PIC16LF1769-E/SS
✅ 드롭인✓ 재고 있음
$0.79 / 개
데이터시트 보기 →PIC16LF1769T-I/SS 최대 정격 & 전기적 특성
| Core | 8-bit PIC16 RISC (Harvard) |
| Instruction Set | PIC16 (one instruction per clock cycle) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V |
| 동작 온도 | -40C to +85C (Industrial) |
| ADC | 10-bit, multiple channels |
| Internal Op Amps | Yes (on-chip, configurable) |
| Timers | Multiple 8-bit and 16-bit timers |
| Zero-Cross Detect | Yes |
| PWM | 10-bit PWM with complementary outputs |
| High-Current I/O | Yes (sink/source > standard GPIO) |
| Low-Power Technology | XLP (eXtreme Low Power) |
| 패키지 | 20-SSOP (0.209", 5.30 mm width) |
| 실장 유형 | Surface Mount |
| RoHS 상태 | Compliant |
PIC16LF1769T-I/SS 핀 구성
| 핀 1 | RA2 — Bidirectional I/O / analog input / op-amp output |
| 핀 2 | RA3 — Bidirectional I/O / analog input / ZCD reference |
| 핀 3 | RA4 — Bidirectional I/O / analog input |
| 핀 4 | RA5 — Bidirectional I/O / analog input |
| 핀 5 | VSS — Ground reference |
| 핀 6 | RB4 — Bidirectional I/O / analog input / high-current |
| 핀 7 | RB5 — Bidirectional I/O / analog input / high-current |
| 핀 8 | RB6 — Bidirectional I/O / ICSPCLK / high-current |
| 핀 9 | RB7 — Bidirectional I/O / ICSPDAT / high-current |
| 핀 10 | VDD — Positive supply voltage (1.8-3.6 V) |
| 핀 11 | RC0 — Bidirectional I/O / analog input |
| 핀 12 | RC1 — Bidirectional I/O / analog input / op-amp output |
| 핀 13 | RC2 — Bidirectional I/O / analog input |
| 핀 14 | RC3 — Bidirectional I/O / analog input |
| 핀 15 | RC4 — Bidirectional I/O / analog input |
| 핀 16 | RC5 — Bidirectional I/O / analog input |
| 핀 17 | RC6 — Bidirectional I/O / TX/CK (serial) |
| 핀 18 | RC7 — Bidirectional I/O / RX/DT (serial) |
| 핀 19 | RA0 — Bidirectional I/O / analog input / op-amp in- |
| 핀 20 | RA1 — Bidirectional I/O / analog input / op-amp in+ |
일반적인 애플리케이션
PIC16LF1769T-I/SS 적합 용도: 6 애플리케이션s: Dimmable LED Lighting Controller, AC Zero-Cross Switch / Solid-State Relay, Battery-Powered IoT Sensor Node, Consumer Appliance Control Board, Sensor Signal Conditioning Front-End, Portable Medical Monitoring Device.
Dimmable LED Lighting Controller
The PIC16LF1769T-I/SS is purpose-built for dimmable LED lighting controllers. Its 10-bit PWM module with complementary outputs drives high-current LED strings via external MOSFETs, while the on-chip operational amplifiers provide direct current-sense feedback without external op-amp ICs. The integrated zero-cross detect peripheral synchronizes phase-angle dimming to AC mains, eliminating flicker in triac-controlled retrofits. At 32 MHz the CPU executes 8 MIPS, enough for adaptive dimming algorithms and color-mixing routines in RGBW fixtures. The 14 KB Flash accommodates table-driven gamma correction, while the 1.8-3.6 V XLP supply range supports battery-backed emergency lighting.
추천
AC Zero-Cross Switch / Solid-State Relay
The PIC16LF1769T-I/SS's dedicated zero-cross detect peripheral simplifies AC line switching designs such as solid-state relays and triac controllers. The ZCD module senses mains zero-crossings directly, allowing the MCU to fire the triac at the optimal phase angle for minimum EMI and inrush current. The 10-bit PWM generates precise firing pulses while the high-current I/O pins drive the triac gate directly. The XLP sleep mode under 1 uA lets battery-backed designs monitor the AC line indefinitely. The 20-SSOP package fits inside a small SSR housing with the AC sensing circuitry on the same PCB.
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Battery-Powered IoT Sensor Node
The PIC16LF1769T-I/SS is ideal for battery-powered IoT sensor nodes thanks to XLP (eXtreme Low Power) technology delivering nanoWatt sleep currents below 1 uA. The 1.8-3.6 V supply range supports two AA alkaline cells from fresh to end-of-life, while the on-chip 10-bit ADC paired with internal op amps interfaces directly with temperature, humidity, and pressure sensors without external signal conditioning. The 32 MHz CPU wakes from sleep in microseconds to process sensor data and return to sleep, maximizing battery life to multi-year durations. The 14 KB Flash holds small RTOS kernels or bare-metal sensor-fusion routines.
추천
Consumer Appliance Control Board
The PIC16LF1769T-I/SS is well suited for consumer appliance control boards such as coffee makers, washing machines, and air purifiers. The 14 KB Flash stores user-interface state machines, while the on-chip op amps condition sensor signals for temperature, humidity, and water-level measurement. The 10-bit PWM drives solenoid valves, pumps, and indicator LEDs with smooth control. The 20-SSOP package is industry-standard for appliance control PCBs and reflow-solders cleanly in high-volume production. The XLP technology also supports battery-backed clock functions for timer-equipped appliances.
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Sensor Signal Conditioning Front-End
The PIC16LF1769T-I/SS integrates two on-chip operational amplifiers that act as a programmable-gain instrumentation front-end for bridge sensors, thermocouples, and photodiodes. The op amps feed directly into the 10-bit ADC, eliminating external instrumentation amplifiers in many designs. The 32 MHz CPU performs digital filtering, linearization, and calibration routines in real time. With 14 KB Flash the MCU can hold lookup tables for sensor linearization curves. The 20-SSOP package keeps the analog front-end compact, and XLP sleep mode below 1 uA lets battery-powered sensor assemblies idle for years.
추천
Portable Medical Monitoring Device
The PIC16LF1769T-I/SS is suitable for portable medical monitoring devices such as pulse oximeters, glucometers, and temperature patches. The 10-bit ADC paired with on-chip op amps interfaces with optical, electrochemical, and thermistor sensors. The XLP technology delivers sub-microamp sleep currents critical for multi-day wearable battery life, and the 1.8-3.6 V supply supports coin-cell or lithium-polymer batteries. The 14 KB Flash holds sensor calibration data and simple display drivers, while the 20-SSOP package fits inside compact wearable enclosures. Industrial temperature range (-40C to +85C) handles sterilization and body-temperature extremes.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16LF1769T-I/SS — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16LF1769-I/SS | PIC16F1769-I/SS | PIC16LF1768-I/SS | PIC16LF1769-E/SS |
|---|---|---|---|---|---|
| Package | 20-SSOP | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 7 KB (-50%) | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 512 B (-50%) | 1 KB |
| Maximum CPU Speed | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V (F variant) | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Extended) |
| Internal Op Amps | Yes (multiple) | Yes | Yes | Reduced count | Yes |
| Zero-Cross Detect | Yes | Yes | Yes | Yes | Yes |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
주요 차별점
- Largest Flash in PIC16F176x 20-pin family (vs PIC16LF1768-I/SS)
- Lower voltage range than F variant (vs PIC16F1769-I/SS)
- Industrial temperature range optimized for appliance/consumer (vs PIC16LF1769-E/SS)
설계 노트
The PIC16LF1769T-I/SS operates from 1.8 V to 3.6 V on its VDD pin (pin 10). Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin and a bulk 10 uF capacitor near the supply entry point. For battery applications using two AA cells, include a low-dropout bypass to handle transient loads when waking from sleep. The XLP sleep current is below 1 uA, so a properly decoupled supply is essential to avoid false wake-ups from supply droop. Estimated: total quiescent current at 3.3 V in sleep is approximately 0.6 uA per datasheet typical curves.
The 20-SSOP package has 0.65 mm pitch and is sensitive to solder bridging. Use a fine-pitch stencil (0.15 mm thickness) and reflow profile per IPC/JEDEC J-STD-020 for moisture-sensitive components. Keep analog signal traces (op-amp inputs, ADC channels) short and away from PWM switching nodes to minimize digital noise coupling. The exposed lead frame on SSOP is not a thermal pad, so heat dissipation relies on copper pours connected to VDD/VSS pins. Place a ground pour on the bottom layer stitching through to top-layer ground with multiple vias.
Do not exceed the 3.6 V VDD maximum - the LF variant is NOT 5 V tolerant on I/O. Configure unused I/O pins as outputs low to minimize sleep current. The zero-cross detect (ZCD) peripheral requires careful resistor divider design on the AC line; incorrect impedance can damage the pin or cause false triggering. The ICSPDAT/ICSPCLK pins (RB6/RB7) must be accessible for in-circuit programming - do not place series resistors above 10 kohm on these pins. The op amps share pins with digital I/O; configure the analog functions before enabling the digital outputs to avoid contention.
When using the on-chip op amps as signal-conditioning front-ends, route the analog input traces differentially and guard them with a ground trace to reject common-mode noise. The ADC acquisition time must be programmed to allow the internal sample capacitor to settle - typical 10-bit acquisition requires at least 1.5 us at 32 MHz. For ZCD-based AC line sensing, add a 100 kohm series resistor to limit surge current and a 100 pF capacitor to filter high-frequency noise. Estimated: at 50 Hz/60 Hz line frequency, the ZCD event rate is twice the line frequency (100 Hz/120 Hz), giving 8.3 ms or 10 ms between zero-crossings.
규정 준수 정보
RoHS compliant per Microchip product page. Lead-free finish (NiPdAu) per Microchip packaging specifications. Not AEC-Q100 qualified; choose PIC16F1769-E/SS for extended-temperature applications or contact Microchip for automotive-grade variants.
