PIC16F18346-I/GZ - 32MHz 8-bit MCU 16KB Flash UQFN-20
부품 번호: PIC16F18346-I/GZ ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.92 | $1.92 |
| 10 | $1.78 | $17.80 |
| 100 | $1.55 | $155.00 |
| 500 | $1.38 | $690.00 |
| 1,000 | $1.22 | $1,220.00 |
PIC16F18346-I/GZ 개요
An 8-bit microcontroller (MCU) is a small computer-on-a-chip built around an 8-bit data bus, optimized for deterministic real-time control rather than raw compute throughput. The PIC16F18346 sits inside the Microchip PIC16 enhanced mid-range family (XLP series), positioned between 8-bit PIC12/PIC14 baseline parts and 16-bit dsPIC33 devices. It belongs to the broader category hierarchy of: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The 'XLP' (eXtreme Low Power) designation indicates sub-uA sleep current targets for battery-powered designs.
Key features include Core Independent Peripherals (CIPs) such as the Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), and Numerically Controlled Oscillator (NCO), which offload timing-critical tasks from the CPU. The Peripheral Pin Select (PPS) module allows remapping of digital peripheral I/O to most pins, dramatically simplifying PCB routing. Peripherals also include brown-out detect, watchdog timer, and multiple capture/compare/PWM (CCP/PWM) modules.
The PIC16F18346 is built on an enhanced mid-range PIC16 core with a modified Harvard architecture and a 14-bit instruction word, delivering 32 MHz operation (8 MIPS) from an internal or external oscillator. Its instruction set is highly orthogonal, simplifying code generation, and the device supports in-circuit debugging via Microchip's MPLAB ecosystem.
Typical applications include IoT sensor nodes, battery-powered industrial sensors, automotive LIN slaves, LED lighting controllers, and small home-appliance control boards. The combination of PPS, CIPs, and XLP makes it well-suited to designs that need deterministic peripheral behavior with minimal CPU load.
When designing with this device, allocate at least one decoupling capacitor (100 nF ceramic) per VDD pin and follow Microchip's UQFN thermal-pad soldering guidelines to ensure reliable reflow and electrical grounding of the exposed pad.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with selection guidance beyond the bare datasheet.
드롭인 대체품: PIC16F18346-I/GZ — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F18346-I/GZ (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Program Memory (Flash), Core Architecture, Operating Temperature.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F18346-I/P
✅ 드롭인✓ 재고 있음
$1.32 / 개
데이터시트 보기 →PIC16F18346-E/GZ
✅ 드롭인✓ 재고 있음
$1.28 / 개
데이터시트 보기 →PIC16F18346-E/SS
✅ 드롭인✓ 재고 있음
$1.55 / 개
데이터시트 보기 →PIC16F18345-I/SO
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$1.32 / 개
데이터시트 보기 →PIC16F18344-I/SS
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$0.86 / 개
데이터시트 보기 →PIC16F1829-I/GZ
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$1.31 / 개
데이터시트 보기 →PIC16F18346-I/GZ 최대 정격 & 전기적 특성
| Core Processor | PIC16 |
| Core Size | 8-bit |
| Program Memory (Flash) | 16 KB |
| Data SRAM | 2 KB |
| EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage Range | 1.8 V to 5.5 V |
| ADC | 10-bit, up to 17 channels |
| DAC | 5-bit |
| Communication Interfaces | 2x I2C, 2x SPI, 1x UART/USART, LINbus |
| Core Independent Peripherals | CLC, CWG, NCO, CCP/PWM |
| Peripheral Pin Select (PPS) | Yes |
| 패키지 | 20-pin UQFN (GZ), surface mount |
| 동작 온도 범위 | -40 C to +85 C (industrial, 'I' suffix) |
| RoHS 상태 | Compliant |
PIC16F18346-I/GZ 핀 구성
| 핀 1 | RA2 — Bidirectional I/O / analog input |
| 핀 2 | RA3 — Bidirectional I/O / analog input |
| 핀 3 | RA4 — Bidirectional I/O / analog input |
| 핀 4 | RA5 — Bidirectional I/O / analog input |
| 핀 5 | VSS — Ground |
| 핀 6 | RA6 — Bidirectional I/O / analog input |
| 핀 7 | RA7 — Bidirectional I/O / analog input |
| 핀 8 | VSS — Ground (or exposed pad) |
| 핀 9 | RB4 — Bidirectional I/O |
| 핀 10 | RB5 — Bidirectional I/O |
| 핀 11 | RB6 — Bidirectional I/O / ICSPCLK |
| 핀 12 | RB7 — Bidirectional I/O / ICSPDAT |
| 핀 13 | VDD — Positive supply voltage |
| 핀 14 | RA0 — Bidirectional I/O / analog input |
| 핀 15 | RA1 — Bidirectional I/O / analog input |
| 핀 16 | RB0 — Bidirectional I/O |
| 핀 17 | RB1 — Bidirectional I/O |
| 핀 18 | RB2 — Bidirectional I/O |
| 핀 19 | RB3 — Bidirectional I/O |
| 핀 20 | VSS — Exposed thermal pad / ground |
일반적인 애플리케이션
PIC16F18346-I/GZ 적합 용도: 6 애플리케이션s: Battery-Powered IoT Sensor Nodes, Automotive LIN Bus Slaves, LED Lighting Controllers, Industrial Sensor Transmitters, Small Home-Appliance Control Boards, Wearable Health-Monitoring Devices.
Battery-Powered IoT Sensor Nodes
The PIC16F18346-I/GZ fits battery-powered IoT sensor nodes because its eXtreme Low Power (XLP) technology delivers sleep current below 1 uA at 1.8 V, extending coin-cell life from months to years. The 17-channel 10-bit ADC directly digitizes temperature, humidity, and battery-voltage signals without external components, while the 5-bit DAC can drive a reference for sensor calibration. Peripheral Pin Select (PPS) lets designers route the SPI/I2C sensor bus to any spare pin, simplifying PCB layout. Core Independent Peripherals (CLC, NCO) handle pulse counting and waveform generation in hardware, leaving the CPU in deep sleep until interrupt. Operating from 1.8-5.5 V, the part accepts unregulated Li-ion or 2xAA sources directly.
추천
Automotive LIN Bus Slaves
The PIC16F18346-I/GZ is a strong fit for automotive LIN slave nodes thanks to its integrated LINbus-compatible USART and Core Independent Peripherals. Up to 17 ADC channels monitor body-electronics variables such as switch positions, lighting loads, and thermistor temperatures, while CWG/PWM modules drive LED backlights and small actuators without CPU intervention. The 16 KB Flash and 2 KB SRAM accommodate LIN stack and SAE J2602 conformance libraries. PPS lets the same PCB artwork support multiple SKUs by remapping LIN, wake-up, and LED pins at firmware time. For underhood or wheel-well modules, choose the PIC16F18346-E/GZ variant for its 125 C extended-temperature rating.
추천
LED Lighting Controllers
The PIC16F18346-I/GZ suits LED lighting controllers because its Complementary Waveform Generator (CWG) and PWM peripherals produce precise, glitch-free lighting waveforms at hardware speed. The 10-bit ADC reads ambient-light sensors and potentiometer dimmers, while the 5-bit DAC generates an analog reference for constant-current driver calibration. Peripheral Pin Select (PPS) allows the same firmware to drive RGB or single-channel LED strings by remapping the CWG outputs to any I/O. XLP sleep current below 1 uA keeps standby power well under the 500 mW EU Ecodesign limit for connected luminaires. Operating at 1.8-5.5 V, the part interfaces directly to wireless modules and Zigbee/BLE front ends for smart lighting.
추천
Industrial Sensor Transmitters
The PIC16F18346-I/GZ supports industrial 4-20 mA sensor transmitters because its 10-bit ADC with 17 channels, combined with the 5-bit DAC for loop-power calibration, produces accurate process-variable measurements. Core Independent Peripherals (CLC, NCO) implement filter math and HART-style FSK signaling in hardware, offloading the 8 MIPS CPU for housekeeping and diagnostics. The wide 1.8-5.5 V operating range accommodates loop-powered designs where supply voltage varies from 12 V down to 8 V at the regulator output. PPS routing keeps PCB layout simple when adding or removing I/O. Industrial-grade -40 C to +85 C operation matches typical process-plant environments without derating.
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Small Home-Appliance Control Boards
The PIC16F18346-I/GZ is ideal for small home-appliance control boards (coffee machines, blenders, kitchen hoods) because of its generous mix of timers, PWM, and Core Independent Peripherals on a single die. The 17-channel ADC reads temperature sensors (NTC), water-level probes, and motor-current shunts, while CWG/PWM drives triac optocouplers and BLDC fans without software jitter. The 16 KB Flash comfortably fits user-interface state machines plus USB-C charging-port firmware. With sleep current below 1 uA in XLP mode, the part helps appliances meet standby-power regulations of less than 0.5 W. PPS keeps the same PCB usable across multiple model variants.
추천
Wearable Health-Monitoring Devices
The PIC16F18346-I/GZ is a strong fit for wearable health-monitoring devices because its 4x4 mm UQFN-20 footprint leaves room for tiny enclosures, while XLP current below 1 uA keeps a CR2032 coin cell running for months. The 17-channel ADC reads photoplethysmography (PPG) photodiode currents, skin-temperature thermistors, and battery voltage with 10-bit resolution, and the 5-bit DAC sets the LED bias for accurate heart-rate measurements. Core Independent Peripherals (CLC, NCO) generate precise timing for PPG sampling without CPU load, leaving the 32 MHz CPU free for BLE stack maintenance and display updates. PPS lets one PCB support multiple sensor configurations by remapping I/O at firmware time.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16F18346-I/GZ — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F18346-I/P | PIC16F18346-E/GZ | PIC16F18346-E/SS | PIC16F18345-I/SO | PIC16F18344-I/SS | PIC16F1829-I/GZ |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | UQFN-20 (GZ) | PDIP-20 | UQFN-20 (GZ) - same | SSOP-20 | SOIC-20 | SSOP-20 | UQFN-20 (GZ) - same |
| Program Flash | 16 KB | 16 KB | 16 KB | 16 KB | 8 KB | 4 KB | 8 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB | 1 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Speed | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Channels / Resolution | 17 ch / 10-bit | 17 ch / 10-bit | 17 ch / 10-bit | 17 ch / 10-bit | 17 ch / 10-bit | 17 ch / 10-bit | 12 ch / 10-bit |
| Operating Temperature Range | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C |
| Unit Price (qty 1, USD) | $1.92 | $1.85 | $2.05 | $1.95 | $1.78 | $1.70 | $1.80 |
주요 차별점
- Peripheral Pin Select (PPS) with Core Independent Peripherals (vs PIC16F1829-I/GZ)
- 16 KB Flash vs 8 KB on prior-generation parts (vs PIC16F18345-I/SO)
- Industrial -40 C to +85 C operating range (vs PIC16F18346-E/GZ)
설계 노트
Estimated: For the 20-pin UQFN (GZ) package, the datasheet recommends a 4x4 mm land pattern with 0.5 mm pitch. Place a single 100 nF ceramic decoupling capacitor within 3 mm of the VDD pin and a 10 uF bulk capacitor on the same rail. The exposed thermal pad (EP) MUST be soldered to a copper pour of at least 10 mm x 10 mm and tied to VSS for thermal dissipation and electrical grounding. Missing EP soldering can cause logic errors and reduce long-term reliability.
The PIC16F18346-I/GZ supports eXtreme Low Power (XLP) modes with sleep currents below 1 uA at 1.8 V according to the Microchip datasheet. To minimize average current in duty-cycled designs, use the RTC + ADC auto-trigger with the CPU in sleep, wake on ADC threshold match, and store results directly to EEPROM using DMA-like CIP paths. Estimated: every 100 ms of unnecessary active mode at 32 MHz costs roughly 1.8 mA * 0.1 s = 180 uC of charge, vs 1 uA * 0.1 s = 0.1 uC in XLP sleep.
Do not exceed the absolute maximum VDD of 5.5 V, even during transients; add a TVS diode (e.g., SMBJ5.0A) if the design sees inductive load switching on the same rail. PPS remapping must be configured before the corresponding peripheral is enabled - remapping an active peripheral can cause spurious outputs. The ICSPDAT/ICSPCLK pins (RB6/RB7) are shared with in-circuit programming and may need 4.7 kohm pull-ups if the application does not drive them actively.
규정 준수 정보
Industrial -40 C to +85 C operating range. RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose AEC-Q100-qualified automotive PIC variants for OEM automotive deployments.
