PIC16LF18345T-E/GZVAO - 14KB Flash 8-bit MCU | Microchip
MPN: PIC16LF18345T-E/GZVAO ✓ Hoạt độngPIC16LF18345T-E/GZVAO Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF18345T-E/GZVAO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LF18345T-E/GZVAO (cùng hình factor và footprint) — khác nhau ở ADC, I/O Pins, Operating Temperature, PWM Channels, Package.
PIC16LF18345T-E/GZ
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF18345T-I/GZVAO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F18345T-E/GZVAO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF18345T-E/SSVAO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF18345T-E/GZVAO Tỷ lệ tối đa & tính chất điện
| 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) |
| Hộp | UQFN-20 (4x4 mm) with exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Automotive Qualification | AEC-Q100 |
| Nhiệt độ hoạt động | -40C to +125C |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LF18345T-E/GZVAO
| Chân 1 | RA5 — I/O pin (PPS-capable) |
| Chân 2 | RA4 — I/O pin (PPS-capable) |
| Chân 3 | RA3 — I/O pin / MCLR (input only on RA3) |
| Chân 4 | RA2 — I/O pin (PPS-capable) |
| Chân 5 | RA1 — I/O pin (PPS-capable) |
| Chân 6 | RA0 — I/O pin (PPS-capable) |
| Chân 7 | VSS — Ground |
| Chân 8 | RA7 — I/O pin (PPS-capable) |
| Chân 9 | RA6 — I/O pin (PPS-capable) |
| Chân 10 | RC5 — I/O pin (PPS-capable) |
| Chân 11 | RC4 — I/O pin (PPS-capable) |
| Chân 12 | RC3 — I/O pin (PPS-capable) |
| Chân 13 | RC2 — I/O pin (PPS-capable) |
| Chân 14 | RC1 — I/O pin (PPS-capable) |
| Chân 15 | RC0 — I/O pin (PPS-capable) |
| Chân 16 | RB7 — I/O pin (PPS-capable) |
| Chân 17 | RB6 — I/O pin (PPS-capable) |
| Chân 18 | RB5 — I/O pin (PPS-capable) |
| Chân 19 | VDD — Positive supply voltage |
| Chân 20 | RB4 — I/O pin (PPS-capable) |
Ứng dụng tiêu biểu
PIC16LF18345T-E/GZVAO phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF18345T-E/GZVAO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- AEC-Q100 Grade 1 automotive qualification with VAO suffix (vsPIC16LF18345T-E/GZ)
- Wide low-voltage 1.8V-3.6V operating range with XLP nanoampere sleep (vsPIC16F18345T-E/GZVAO)
- Integrated core-independent peripherals (CLC, CWG, NCO) reduce CPU load (vsPIC16LF18325)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
