PIC16F18325-I/STVAO - 8-bit MCU, 14KB Flash, AEC-Q100 | Microchip
MPN: PIC16F18325-I/STVAO ✓ فعالPIC16F18325-I/STVAO جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data RAM, and programmable I/O peripherals into one package. The PIC16F family belongs to Microchip's enhanced mid-range 8-bit core architecture, which sits between baseline PIC10/12 devices and the 16-bit dsPIC/PIC24 line. Within the MCU hierarchy, PIC16F18325 devices fall under the XLP (Extreme Low Power) subfamily optimized for battery-powered and energy-harvesting applications where sleep current in nanoamps and active power in microamps matter.
Key differentiating features include 10-bit PWM with complementary waveform generation (CCP and CWG), Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC) and Numerically Controlled Oscillator (NCO), 10-bit ADC, and a hardware Peripheral Pin Select (PPS) block. The AEC-Q100 Grade 1 qualification (operating temperature -40C to +125C) makes the -I/STVAO variant specifically targeted at automotive under-hood and dashboard electronics.
Architecturally, the PIC16F18325 uses a RISC Harvard architecture with a 14-bit instruction word and a 16-level hardware stack, executing most instructions in one instruction cycle. The integrated 32MHz internal oscillator eliminates the need for external crystals in many designs. Memory protection includes a write-protect bootloader region and ICSP (In-Circuit Serial Programming) for field upgrades.
Typical applications include automotive body controllers, sensor interface nodes, LED lighting drivers, low-power IoT edge nodes, and LIN-bus automotive sub-modules. The combination of small TSSOP footprint, AEC-Q100 grade, and CIP peripherals allows designers to consolidate multiple discrete analog functions onto one MCU.
When designing with this device, ensure the ICSP pins (PGD/PGC) are accessible for production programming. PPS reassignment must be initialized early in firmware to avoid signal contention during startup. For automotive designs, follow Microchip's AN2288 hardware checklist for AEC-Q100 layouts.
This page synthesizes distributor pricing, parametric drop-in alternatives, and practical design notes not collected on any single manufacturer or distributor page, including a curated cross-reference of functional equivalents within the same TSSOP-14 footprint.
کے لیے ڈراپ اِن متبادل PIC16F18325-I/STVAO — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16F18325-I/STVAO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف ADC, Operating Temperature, Package, Core Architecture, Program Memory (Flash).
PIC16F18325-I/ST
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18325-E/ST
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18324-I/SLVAO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18323-I/ST
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F18325-I/STVAO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC 8-bit Enhanced Mid-Range |
| Program Memory (Flash) | 14 KB |
| Data EEPROM | 256 bytes |
| Data SRAM | 1 KB |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Maximum CPU Frequency | 32 MHz |
| I/O Pins | 12 |
| ADC | 10-bit |
| PWM Channels | 10-bit, multiple outputs |
| CIP Peripherals | CLC, NCO, CWG, CCP |
| Peripheral Pin Select (PPS) | Yes |
| Internal Oscillator | 32 MHz (factory calibrated) |
| آپریٹنگ درجہ حرارت | -40 C to +125 C (AEC-Q100 Grade 1) |
| پیکیج | TSSOP-14 (4.4 mm body width) |
| AEC-Q100 Qualification | Qualified (Automotive) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
PIC16F18325-I/STVAO پن کنفیگریشن
| پن 1 | MCLR/VPP/RE3 — Reset input / programming high voltage / GPIO RE3 |
| پن 2 | RA0 — PORTA bit 0 / analog input / ICSPDAT |
| پن 3 | RA1 — PORTA bit 1 / analog input / ICSPCLK |
| پن 4 | RA2 — PORTA bit 2 / analog input / DAC reference |
| پن 5 | RA3 — PORTA bit 3 / analog input / Vref+ |
| پن 6 | RA4 — PORTA bit 4 / analog input |
| پن 7 | RA5 — PORTA bit 5 / analog input |
| پن 8 | VSS — Ground reference |
| پن 9 | RA7 — PORTA bit 7 / analog input / DAC output |
| پن 10 | RA6 — PORTA bit 6 / analog input |
| پن 11 | RC0 — PORTC bit 0 / analog input |
| پن 12 | RC1 — PORTC bit 1 / analog input |
| پن 13 | RC2 — PORTC bit 2 / analog input |
| پن 14 | VDD — Positive supply voltage 1.8V-5.5V |
عام استعمالات
PIC16F18325-I/STVAO کے لیے موزوں ہے 6 ایپلیکیشنs: Automotive Body Control Modules, Battery-Powered IoT Sensor Nodes, LED Lighting Drivers and Dimmers, Industrial Sensor Signal Conditioning, LIN Bus Automotive Sub-Modules, Consumer Appliance Control Boards.
Automotive Body Control Modules
The PIC16F18325-I/STVAO fits automotive body control modules because its AEC-Q100 Grade 1 qualification and -40C to +125C operating range allow direct mounting inside door, mirror, and seat modules. Its 14KB Flash holds typical BEM/CEM firmware including door-lock sequencing, mirror-fold algorithms, and CAN/LIN state machines; 1KB RAM is sufficient for input debounce and timer stacks. The 12 GPIO pins plus PPS let a single TSSOP-14 MCU replace multiple discrete timer ICs, and CWG/CCP peripherals drive LED backlighting and H-bridge direction signals without external logic. Compared to commercial-grade PIC16F18325-I/ST, the /VAO variant passes AEC-Q100 stress tests, eliminating qualification risk on the production line.
تجویز کردہ
Battery-Powered IoT Sensor Nodes
The PIC16F18325-I/STVAO suits battery-powered IoT sensor nodes because its XLP Extreme Low Power technology achieves nanoamp sleep current while retaining SRAM and RTC, allowing multi-year coin-cell operation. Its 10-bit ADC reads thermistor, battery-voltage, and occupancy sensors; the integrated 32MHz internal oscillator eliminates an external crystal, reducing BOM and quiescent leakage. With 14KB Flash, designers can run Microchip's MiWi or custom 802.15.4 stacks alongside sensor-processing logic, and PPS reroutes the UART/I2C to free pins for clean PCB routing. Compared to commercial variants, the /VAO temp range supports outdoor enclosures from arctic to desert conditions.
تجویز کردہ
LED Lighting Drivers and Dimmers
The PIC16F18325-I/STVAO works well in dimmable LED lighting because its CWG (Complementary Waveform Generator) and 10-bit PWM channels produce phase-correct dimming signals with hardware dead-band, eliminating flicker at low duty cycles. The CLC (Configurable Logic Cell) implements custom dimming curves and zero-crossing detection in hardware, freeing the CPU for wireless or DMX512 protocol handling. AEC-Q100 qualification enables under-hood automotive lamp drivers and outdoor luminaire controls. The 1.8V-5.5V range lets the same TSSOP-14 design serve 3.3V battery LEDs and 5V mains-powered LED strips with the same firmware, simplifying SKUs across a lighting product family.
تجویز کردہ
Industrial Sensor Signal Conditioning
The PIC16F18325-I/STVAO handles industrial 4-20mA loop sensors and bridge-sensor conditioning because its 10-bit ADC paired with the on-chip op-amp (where present in the family) provides accurate ratiometric measurements. The TSSOP-14 footprint is footprint-compatible across the PIC16F18313/18324/18325 family, allowing inventory consolidation of one PCB layout. Extended -40C to +125C range tolerates factory-floor temperature swings, and PPS lets engineers reassign I2C and SPI on the fly to multiple sensor chains without board rework. Compared to commercial-grade variants, /VAO automotive grade withstands vibration and EMC stress per AEC-Q100 protocol.
تجویز کردہ
LIN Bus Automotive Sub-Modules
The PIC16F18325-I/STVAO is well suited to LIN sub-modules (window lifters, seat controllers, mirror adjusters) because its EUSART can be configured for LIN 1.x/2.x protocol, eliminating the dedicated LC SLA chip and saving $0.20 per node. AEC-Q100 Grade 1 qualification meets OEM automotive requirements, and the TSSOP-14 footprint fits inside small motor housings and behind door trim. PPS allows the LIN RX/TX pins to move if PCB routing requires, while the CLC handles LIN wake-up pulse detection in hardware, further offloading the CPU. Compare to PIC16F18325-I/ST: /VAO is required by most OEM automotive specifications.
تجویز کردہ
Consumer Appliance Control Boards
The PIC16F18325-I/STVAO drives consumer appliance control boards (washing machines, dishwashers, refrigerators) because its XLP nanoamp sleep modes suit Energy Star standby requirements, while the CWG and CCP peripherals drive triac phase-control outputs for motor and heater load switching. The TSSOP-14 package's 0.65mm pitch is machine-vision friendly and survives wave-solder reflow, lowering manufacturing cost. PPS reroutes the I2C keypad to free pins for the LCD segment driver. AEC-Q100 grade is overkill for indoor appliances but future-proofs the design for outdoor variants like refrigerator compressors and pool controllers exposed to wider temperature swings.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F18325-I/STVAO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F18325-I/ST | PIC16F18325-E/ST | PIC16F18324-I/SL | PIC16F18323-I/ST |
|---|---|---|---|---|---|
| Package | TSSOP-14 | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 14 KB | 14 KB | 7 KB (-50%) | 3.5 KB (-75%) |
| RAM | 1 KB | 1 KB | 1 KB | 512 B (-50%) | 256 B (-75%) |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B |
| AEC-Q100 Qualification | Qualified (Grade 1) | Not qualified (commercial) | Not qualified (extended industrial) | Not qualified (industrial) | Not qualified (industrial) |
| Operating Temperature | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
| Unit Price (qty 1) | $1.85 (as of 2026-09-20) | $1.55 (commercial grade, lower cost) | $1.70 | $1.40 (-24%) | $1.20 (-35%) |
اہم امتیازی خصوصیات
- AEC-Q100 Grade 1 automotive qualification (بمقابلہPIC16F18325-I/ST)
- Largest Flash program memory in PIC16F1831x TSSOP-14 family (بمقابلہPIC16F18323-I/ST)
- Peripheral Pin Select on all digital I/O (بمقابلہPIC16F1823-I/ST)
ڈیزائن نوٹس
The PIC16F18325-I/STVAO's XLP mode achieves <100 nA sleep current when properly configured; ensure the ADC is disabled, unused peripherals are clock-gated, and the ADC is in sleep mode before entering XLP. Estimate: with VDD=3.3V, the MCU draws ~30 nA in deep sleep, allowing a CR2032 (220 mAh) to provide roughly 800 years theoretical life. Never leave floating digital inputs during sleep, as they leak via the Schmitt trigger; configure all unused GPIO as outputs driven low.
Place a 100 nF ceramic decoupling capacitor within 3 mm of the VDD pin (pin 14) and a 10 uF bulk capacitor within 10 mm. The TSSOP-14 thermal pad is not present on this package; route the ground pour directly under the IC with multiple vias stitching the top-side pad to the inner plane. Keep analog-series logic running lines (ADC inputs, VREF traces) at least 3 mm from PWM switching traces to avoid coupling. Estimated: TSSOP-14 theta_JA is ~80 C/W on a 2-layer board with 1 oz copper.
Do not assume PPS is automatically configured - firmware must call PPS_unlock and PPS_set_input_table functions at startup before the peripheral will function on remapped pins. The MCLR pin requires a 10 kohm pull-up to VDD; never leave it floating. For AEC-Q100 designs, follow the Microchip AN2288 checklist and document firmware version traceability. Do not program Flash above 100000 erase cycles or EEPROM above 1000000 cycles - both will fail per the Microchip datasheet.
تعمیل کی معلومات
AEC-Q100 Grade 1 qualified per Microchip ordering suffix -VAO. RoHS and REACH compliance per Microchip product page. Halogen-free per Microchip packaging specification.
