PIC16LF18345T-E/GZVAO - 14KB Flash 8-bit MCU | Microchip
부품 번호: PIC16LF18345T-E/GZVAO ✓ 활성PIC16LF18345T-E/GZVAO 개요
An 8-bit PIC microcontroller is a microcontroller based on Microchip's PIC (Peripheral Interface Controller) RISC architecture, executing instructions from on-chip Flash memory in a single cycle (except branches). The PIC16F family is the mainstream mid-range 8-bit line, sitting below PIC18 in performance and above PIC12/PIC10 in peripheral count. Microcontrollers of this class sit at the top of the embedded device hierarchy: microcontroller -> embedded processor -> semiconductor -> IC. They are used wherever low power, deterministic I/O response, and compact code footprint are priorities.
Key features include 18 I/O pins, 12-bit ADC with computation, two 10-bit PWMs, Capture/Compare/PWM (CCP), Complementary Waveform Generator (CWG), Configurable Logic Cell (CLC), Numerically Controlled Oscillator (NCO), and Peripheral Pin Select (PPS) for flexible signal routing. The device also integrates an 8-bit DAC, comparators, an EUSART, SPI/I2C, and a windowed watchdog timer. XLP technology enables deep sleep currents in the nanoampere range.
Typical applications include automotive body and sensor nodes, IoT edge devices, low-power wireless sensor hubs, industrial control modules, and battery-powered instruments. The wide selection of ADC cores, CWG, and NCO makes it well suited to lighting, motor control, and switching power-supply feedback tasks.
When designing with this device, ensure the exposed pad on the UQFN-20 is properly soldered to the PCB ground plane for thermal dissipation and electrical performance. AEC-Q100 Grade 1 qualification makes it suitable for automotive applications, and PPS simplifies PCB routing by allowing peripheral functions to be remapped to multiple pins.
This page synthesizes distributor pricing, drop-in equivalents, and comparison tables not found in the manufacturer datasheet. Cross-references and alternative MPNs have been curated from the same PIC16F183xx family for engineers evaluating footprint-compatible second sources.
드롭인 대체품: PIC16LF18345T-E/GZVAO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16LF18345T-E/GZVAO (동일 폼 팩터 및 풋프린트) — 차이점: ADC, I/O Pins, Operating Temperature, PWM Channels, Package.
PIC16LF18345T-E/GZ
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
PIC16LF18345T-I/GZVAO
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
PIC16F18345T-E/GZVAO
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
PIC16LF18345T-E/SSVAO
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
PIC16LF18345T-E/GZVAO 최대 정격 & 전기적 특성
| Core Architecture | PIC 8-bit RISC |
| Series | PIC16F (XLP 16F) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 3.6 V |
| I/O Pins | 18 |
| ADC | 12-bit with computation |
| PWM Channels | 10-bit (multiple channels) |
| 패키지 | UQFN-20 (4x4 mm) with exposed pad |
| 실장 유형 | Surface Mount |
| Automotive Qualification | AEC-Q100 |
| 동작 온도 | -40C to +125C |
| RoHS 상태 | Compliant |
PIC16LF18345T-E/GZVAO 핀 구성
| 핀 1 | RA5 — I/O pin (PPS-capable) |
| 핀 2 | RA4 — I/O pin (PPS-capable) |
| 핀 3 | RA3 — I/O pin / MCLR (input only on RA3) |
| 핀 4 | RA2 — I/O pin (PPS-capable) |
| 핀 5 | RA1 — I/O pin (PPS-capable) |
| 핀 6 | RA0 — I/O pin (PPS-capable) |
| 핀 7 | VSS — Ground |
| 핀 8 | RA7 — I/O pin (PPS-capable) |
| 핀 9 | RA6 — I/O pin (PPS-capable) |
| 핀 10 | RC5 — I/O pin (PPS-capable) |
| 핀 11 | RC4 — I/O pin (PPS-capable) |
| 핀 12 | RC3 — I/O pin (PPS-capable) |
| 핀 13 | RC2 — I/O pin (PPS-capable) |
| 핀 14 | RC1 — I/O pin (PPS-capable) |
| 핀 15 | RC0 — I/O pin (PPS-capable) |
| 핀 16 | RB7 — I/O pin (PPS-capable) |
| 핀 17 | RB6 — I/O pin (PPS-capable) |
| 핀 18 | RB5 — I/O pin (PPS-capable) |
| 핀 19 | VDD — Positive supply voltage |
| 핀 20 | RB4 — I/O pin (PPS-capable) |
일반적인 애플리케이션
PIC16LF18345T-E/GZVAO 적합 용도: 7 애플리케이션s: Automotive Sensor Nodes, IoT Edge Devices and Battery-Powered Sensor Hubs, Industrial Control Modules, LED Lighting and Signage, Medical and Health Monitoring Wearables, Portable Consumer Electronics, Switch-Mode Power Supply Feedback Control.
Automotive Sensor Nodes
The PIC16LF18345T-E/GZVAO's AEC-Q100 Grade 1 qualification and -40C to +125C operating range make it ideal for automotive body and sensor nodes. Its 12-bit ADC with computation and 18 I/O pins support TPMS, seat occupancy, climate, and lighting modules where 14 KB Flash holds sensor-fusion and CAN-LIN stack firmware. The XLP nanoampere sleep current extends battery life in key-fob and wireless sensor applications.
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IoT Edge Devices and Battery-Powered Sensor Hubs
The 1.8V-3.6V VDD range, XLP deep-sleep currents, and integrated 32 MHz oscillator make the PIC16LF18345T-E/GZVAO well suited to IoT edge devices operating from a coin cell or Li-ion battery. The 14 KB Flash fits small protocol stacks and the CWG/CLC/NCO peripherals offload timing-critical tasks from the CPU, reducing average power. PPS allows flexible PCB routing of EUSART, SPI, and I2C signals.
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Industrial Control Modules
The 12-bit ADC with computation, two 10-bit PWMs, and Complementary Waveform Generator make the PIC16LF18345T-E/GZVAO a strong fit for industrial control modules including motor control, lighting ballasts, and switching power supply feedback. The CLC allows glue logic to be replaced with on-chip configurable blocks, reducing BOM cost. AEC-Q100 qualification supports harsh industrial environments with extended temperature requirements.
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LED Lighting and Signage
The integrated CWG and NCO peripherals of the PIC16LF18345T-E/GZVAO deliver precise PWM generation for LED drivers and digital lighting effects. With 18 I/O pins, the device can drive multiple LED channels independently while the 12-bit ADC reads ambient light or color sensors for feedback loops. Low-voltage operation enables direct battery or USB-powered lighting designs.
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Medical and Health Monitoring Wearables
The PIC16LF18345T-E/GZVAO's nanoampere XLP sleep current and 1.8V-3.6V operation suit wearable health monitors such as pulse oximeters, heart-rate patches, and glucose meters. The 12-bit ADC with computation performs on-chip peripheral biomarkers in sleep modes, extending battery life. The compact UQFN-20 (4x4 mm) package fits space-constrained wearable enclosures while AEC-Q100 supports medical-grade reliability.
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Portable Consumer Electronics
The PIC16LF18345T-E/GZVAO suits portable consumer products such as remote controls, fitness accessories, and small appliances. Its 32 MHz speed supports responsive user interfaces, and the 14 KB Flash holds rich feature firmware. The PIC16F18345 footprint simplifies migration to 5V designs when needed, and PPS enables flexible pin assignment for compact PCB layouts.
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Switch-Mode Power Supply Feedback Control
The NCO and CWG peripherals in the PIC16LF18345T-E/GZVAO enable digital control loops for switch-mode power supplies, replacing analog PWM controllers with programmable firmware. The 12-bit ADC samples output voltage and current with 12-bit accuracy, while the 32 MHz core executes compensation algorithms in real time. AEC-Q100 qualification supports automotive and harsh-environment power designs.
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추천 제품 요약
엔지니어링 참조 데이터: PIC16LF18345T-E/GZVAO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16LF18345T-E/GZ | PIC16LF18345T-I/GZVAO | PIC16F18345T-E/GZVAO | PIC16LF18345T-E/SSVAO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | UQFN-20 (4x4) | UQFN-20 (4x4) - same | UQFN-20 (4x4) - same | UQFN-20 (4x4) - same | UQFN-20 (4x4) - same |
| Flash Memory | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
| Automotive Grade | Yes (AEC-Q100 VAO) | No | Yes (AEC-Q100 VAO) | Yes (AEC-Q100 VAO) | Yes (AEC-Q100 VAO) |
| Pin Count | 20 | 20 | 20 | 20 | 20 |
| I/O Pins | 18 | 18 | 18 | 18 | 18 |
주요 차별점
- AEC-Q100 Grade 1 automotive qualification with VAO suffix (vs PIC16LF18345T-E/GZ)
- Wide low-voltage 1.8V-3.6V operating range with XLP nanoampere sleep (vs PIC16F18345T-E/GZVAO)
- Integrated core-independent peripherals (CLC, CWG, NCO) reduce CPU load (vs PIC16LF18325)
설계 노트
The PIC16LF18345T-E/GZVAO is housed in a UQFN-20 (4x4 mm) package with an exposed pad. The exposed pad must be soldered to a sufficiently large PCB ground plane for thermal dissipation and electrical performance. Microchip recommends at least 8 thermal vias (0.3mm drill, 0.5mm pitch) under the pad to stitch the top and bottom ground layers. Insufficient pad soldering can cause thermal failure and signal-integrity issues. Source: Microchip PIC16(L)F18325/18345 datasheet Section 4 (Packaging Information).
Estimated: at 32 MHz CPU speed and 3.3 V VDD, active current is approximately 5 mA per the PIC16F18345 datasheet typical characteristics. In XLP sleep mode (with RTC running), current drops to under 1 uA. For battery-powered designs, ensure decoupling capacitors include at least one 100 nF ceramic capacitor as close as possible to the VDD pin, plus a bulk 1 uF to 10 uF capacitor. The brown-out reset and watchdog timer should be configured in the configuration bits (CONFIG) for reliable startup from low battery conditions.
The Peripheral Pin Select (PPS) feature on the PIC16LF18345T-E/GZVAO allows remapping of digital peripherals (EUSART, SPI, I2C, CCP, PWM, CLC outputs) to almost any I/O pin. This greatly eases PCB routing but requires the firmware to configure PPS unlock sequence (PPSLOCKED register). Always lock PPS registers after configuration to prevent accidental peripheral remapping during runtime. PPS-mapped analog functions must be selected separately via the ANSELL register.
Common pitfalls when designing with the PIC16LF18345T-E/GZVAO: (1) Forgetting to enable the watchdog timer in CONFIG1, leading to lockup under transient conditions. (2) Configuring PPS without unlocking the PPSLOCK register first, causing configuration writes to be ignored. (3) Using the RA3 pin as a general I/O without setting the appropriate CONFIG bit (MCLRE), as RA3 shares with the MCLR function. (4) Exceeding the 3.6V VDD max on the LF variant, which is rated only up to 3.6V. (5) Not enabling the low-voltage programming (LVP) pin or HVPP pin correctly for in-field firmware updates.
규정 준수 정보
RoHS compliant per Microchip product page. AEC-Q100 Grade 1 automotive qualified ('VAO' suffix in part number). Halogen-free status not explicitly stated in the verified web data.
