PIC16F18875T-I/MV - 8-Bit 32MHz XLP MCU 14KB Flash UQFN-40
MPN: PIC16F18875T-I/MV ✓ فعالPIC16F18875T-I/MV جائزہ
A microcontroller (MCU) is an integrated circuit that combines a CPU core with program memory, data memory, peripherals and I/O on a single silicon die. The PIC16F18875 sits within the "8-bit MCU" product type, which itself inherits from the broader "microcontroller" category under "Embedded Microcontrollers" in Microchip's product tree, sitting alongside 16-bit PIC24 and dsPIC30/33 families and 32-bit SAM families in the wider MCU hierarchy.
Key differentiating features of the PIC16F18875T-I/MV include 14 KB self-programmable Flash, 256 bytes of EEPROM, the Peripheral Pin Select (PPS) routing engine that remaps digital peripherals to almost any I/O, the Zero-Cross Detect (ZCD) module, and the Windowed Watchdog Timer (WWDT). Combined with XLP nanoWatt sleep currents, the device is intended for both line-powered and battery-powered systems.
Typical applications include consumer appliance control panels, IoT sensor nodes, industrial sensor transmitters, battery-powered handheld instruments, LED lighting controllers and low-cost user-interface boards combining an LCD driver with capacitive touch via the CIP peripherals. The PIC16F18875T-I/MV normally sits between an upstream 3.3 V or 5 V LDO and a downstream analog/RF front-end, providing local intelligence.
Designers should leave adequate copper under the exposed pad of the UQFN to keep junction temperature within spec at 32 MHz full activity, keep AVDD/VDD traces short, and de-couple each VDD/AVSS pair with 100 nF + bulk capacitance per Microchip's application notes. The ICSP/ICD pins (PGC/PGD) must be brought to a header for in-system programming.
کے لیے ڈراپ اِن متبادل PIC16F18875T-I/MV — 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 PIC16F18875T-I/MV (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Program Memory (Flash), ADC, Communication Peripherals, Core.
PIC16F18875-I/MV
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F18876T-I/MV
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18855T-I/MV
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18877T-I/MV
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18875T-I/MV زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Family | PIC16F1885x/7x |
| Core Processor | PIC |
| Core Size | 8-bit |
| Max CPU Speed | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 1 KB |
| EEPROM | 256 bytes |
| پیکیج | 40-UQFN (5x5 mm) with EP |
| Operating Voltage Range | 2.5V / 3.3V / 5V (1.8V-5.5V per datasheet family) |
| آپریٹنگ درجہ حرارت رینج | -40 °C to +85 °C (Industrial, "I") |
| ADC | 10-bit, multi-channel |
| DAC | 5/8-bit |
| Connectivity | I2C, SPI, EUSART (UART), LIN capable |
| Special Features | XLP, CIP (PPS, ZCD, CWG, SMT, HLT, WWDT, SCAN, CRC, PWM, ICSP/ICD) |
| Number of I/O | Up to 36 (per UQFN-40 pinout) |
| ماؤنٹنگ ٹائپ | Surface Mount (Tape and Reel, "T") |
| RoHS اسٹیٹس | Compliant |
PIC16F18875T-I/MV پن کنفیگریشن
| پن 1 | RA0/AN0/CLCIN0 — PORTA bit 0 / ADC input AN0 / CLC input |
| پن 2 | RA1/AN1 — PORTA bit 1 / ADC input AN1 |
| پن 3 | RA2/AN2 — PORTA bit 2 / ADC input AN2 |
| پن 4 | RA3/AN3/VREF- — PORTA bit 3 / ADC input AN3 / ADC VREF- |
| پن 5 | RA4/AN4/T0CKI — PORTA bit 4 / ADC input AN4 / Timer0 clock |
| پن 6 | RA5/AN5/SS — PORTA bit 5 / ADC input AN5 / SPI Slave Select |
| پن 7 | RA6/AN6 — PORTA bit 6 / ADC input AN6 |
| پن 8 | RA7/AN7 — PORTA bit 7 / ADC input AN7 |
| پن 9 | VDD — Core/digital supply 1.8-5.5V |
| پن 10 | VSS — Core/digital ground |
| پن 11 | RB0/AN8/SRI — PORTB bit 0 / ADC AN8 / SR latch in |
| پن 12 | RB1/AN9 — PORTB bit 1 / ADC AN9 |
| پن 13 | RB2/AN10/CWG1FLT — PORTB bit 2 / ADC AN10 / CWG fault input |
| پن 14 | RB3/AN11 — PORTB bit 1[1] / ADC AN11 |
| پن 15 | RB4 — PORTB bit 4 |
| پن 16 | RB5 — PORTB bit 5 |
| پن 17 | RB6/ICSPCLK — PORTB bit 6 / ICSP/ICD clock |
| پن 18 | RB7/ICSPDAT — PORTB bit 7 / ICSP/ICD data |
| پن 19 | AVDD — Analog supply |
| پن 20 | AVSS — Analog ground |
| پن 21 | RC0 — PORTC bit 0 |
| پن 22 | RC1 — PORTC bit 1 |
| پن 23 | RC2 — PORTC bit 2 |
| پن 24 | RC3 — PORTC bit 3 |
| پن 25 | RC4 — PORTC bit 4 |
| پن 26 | RC5 — PORTC bit 5 |
| پن 27 | RC6 — PORTC bit 6 |
| پن 28 | RC7 — PORTC bit 7 |
| پن 29 | RE3/MCLR — PORTE bit 3 / Master Clear reset input |
| پن 30 | RD0 — PORTD bit 0 |
| پن 31 | RD1 — PORTD bit 1 |
| پن 32 | RD2 — PORTD bit 2 |
| پن 33 | RD3 — PORTD bit 3 |
| پن 34 | RD4 — PORTD bit 4 |
| پن 35 | RD5 — PORTD bit 5 |
| پن 36 | RD6 — PORTD bit 6 |
| پن 37 | RD7 — PORTD bit 7 |
| پن 38 | RF0 — PORTF bit 0 |
| پن 39 | RF1 — PORTF bit 1 |
| پن 40 | RF2 — PORTF bit 2 |
عام استعمالات
PIC16F18875T-I/MV کے لیے موزوں ہے 6 ایپلیکیشنs: Consumer Appliance Control Panel, Battery-Powered IoT Sensor Node, Industrial Sensor Transmitter (4-20 mA), LED Lighting Controller, Handheld Measurement Instrument, Automotive Body and Interior Module (Auxiliary).
Consumer Appliance Control Panel
Replaces a discrete logic-board with a single-chip HMI controller that reads cap-touch pads, drives LEDs/PWM and handles UART diagnostics. The PIC16F18875T-I/MV's CIP peripheral set (PWM, CWG, SMT) drives motor/relay loads, the 10-bit ADC digitises NTC sensors and the EUSART communicates to the main MCU. XLP nanoWatt sleep keeps standby under 1 µA, helping white-goods meet the 1 W standby directive. The 40-UQFN 5x5 fits behind a 7-segment/touch panel without rerouting the board.
تجویز کردہ
Battery-Powered IoT Sensor Node
Sleeps on a single CR2032 cell for years, then wakes on a PPS-mapped interrupt to sample an SPI/ADC sensor and burst-transmit via EUSART. The PIC16F18875T-I/MV's nanoWatt XLP technology pulls sleep current into the low-µA range, while 14 KB Flash and 1 KB SRAM provide headroom for OTA bootstrap, sensor drivers and MAC stacks. The 1.8-5.5 V supply range lets the node run directly off a 2×AA battery pack without an LDO, saving BOM. PPS lets the designer remap peripherals when board variants emerge in the field.
تجویز کردہ
Industrial Sensor Transmitter (4-20 mA)
Forms an IEC 61131-2-style 4-20 mA loop transmitter that digitises a bridge/sensor, applies linearisation in firmware, and drives the loop via PWM-driven current source. The PIC16F18875T-I/MV's 10-bit ADC, CIP-driven PWM and ZCD zero-cross detector regulate the loop cleanly; its 2.5/3.3/5 V support and -40 to +85 °C grade handle industrial temperature. The 256-byte EEPROM stores calibration constants across power cycles, and the WWDT supervises firmware against faults in compliance with IEC 61508 SIL-1 (FuSa-capable).
تجویز کردہ
LED Lighting Controller
Generates warm-dim-to-cool CCT curves or RGB colour sequences via the CWG and PWM peripherals, while the 10-bit ADC reads ambient light and user potentiometer. The PIC16F18875T-I/MV supports up to ~36 I/O, enough for multi-string LED drivers, and the 32 MHz core sustains flicker-free PWM at >2 kHz per channel. The XLP sleep mode lets an LED fixture idle below 50 µA when off, while EUSART/LIN lets the driver join a structured DALI-adjacent or LIN-bus lighting network.
تجویز کردہ
Handheld Measurement Instrument
Acts as the LCD/keypad controller in a handheld DMM, insulation tester or environmental meter. The PIC16F18875T-I/MV drives an LCD via SPI/I2C segment driver, reads auto-ranging through the 10-bit ADC and the 5/8-bit DAC, and powers down to nanoWatt current between measurements. The 14 KB Flash fits UART command parsers and measurement maths, and the on-chip ZCD enables mains-voltage measurement without extra components. Industrial temperature range supports outdoor use.
تجویز کردہ
Automotive Body and Interior Module (Auxiliary)
Drives non-safety body modules - mirror adjust, ambient lighting, seat-position switches - where Functional Safety documentation is required but AEC-Q100 is not. The PIC16F18875T-I/MV's LINbus-capable EUSART, PWM and ZCD handle actuator drives, while 12 V battery transients are tolerated via an external TVS + 5 V LDO. The PIC16F18875T-I/MV is FuSa-capable per Microchip's documentation, easing IEC 61508 SIL-1 evidence collection. For true under-hood duty migrate to AEC-Q100-grade PIC16F18877T-I/PTVAO.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F18875T-I/MV — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F18875-I/MV | PIC16F18876T-I/MV | PIC16F18877T-I/MV |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-UQFN (5x5 mm) with EP | 40-UQFN (5x5 mm) with EP - same | 40-UQFN (5x5 mm) with EP - same | 40-UQFN (5x5 mm) with EP - same |
| Core / Family | 8-bit PIC16F1885x/7x | 8-bit PIC16F1885x/7x | 8-bit PIC16F1885x/7x | 8-bit PIC16F1885x/7x |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8V - 5.5V | 1.8V - 5.5V | 1.8V - 5.5V | 1.8V - 5.5V |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) |
| Functional Safety | FuSa capable | FuSa capable | FuSa capable | FuSa capable |
اہم امتیازی خصوصیات
- Functional Safety (FuSa) documentation support without stepping up to AEC-Q100 (بمقابلہPIC16F18855T-I/MV)
- 14 KB Flash with PPS - drop-in upgrade path (بمقابلہPIC16F18876T-I/MV)
- 1 KB SRAM + 256 B EEPROM at this price point (بمقابلہPIC18F family in same UQFN)
- Tape-and-reel "T" suffix supplied for SMT volume lines (بمقابلہPIC16F18875-I/MV (tray))
ڈیزائن نوٹس
Estimated: at VDD = 3.3 V, 32 MHz full activity with all GPIO switching, internal dissipation is well under 0.05 W - thermal rise across the UQFN EP thermal pad is negligible. Critical for design is properly soldering the exposed pad to a 1-2 cm² copper pour on the top layer. Without EP soldering the theta_JA worsens from ~30 C/W to >80 C/W, which can trigger thermal shutdown during heavy FFT-like tasks. Recommended 100 nF + 1 µF ceramic decoupling as close as possible to pins 9/10 and 19/20. Severity: critical.
Keep AVDD trace short and isolated from VDD; place a 10 µF bulk cap plus 100 nF / 10 nF decoupling per the PIC16F1887x analog reference manual. Bring out RB6/ICSPCLK and RB7/ICSPDAT to a 5-pin header (PGC, PGD, VDD, VSS, MCLR) for in-circuit programming and debug. Without these pins accessible, firmware revision requires packages-replacement at production rework cost. Severity: recommended.
Do not enable weak pull-ups on the ICSP pins during programming or the ICD tool will not be able to drive them - explicitly set TRISB for RB6/RB7 before issuing the chip-erase unlock. Always tie MCLR (RE3) through a 10 kΩ pull-up to VDD and route PCB trace to avoid large capacitive loads. When migrating from PIC16F18855 to PIC16F18875 verify peripheral-mapping registers because PPS outputs may need re-mapping despite same pin numbers. Severity: critical.
Estimated: with XLP sleep mode, deep-sleep current is approximately 60 nA at 3.0 V per the datasheet family; waking every 250 ms with the WDT and reading a digital sensor over I2C averages ≈ 1.5 µA including the I2C bus keeper pull-ups. Validate on a bench with a µA-capable source-measure unit before locking the battery-life calculation. Severity: recommended.
تعمیل کی معلومات
RoHS/REACH compliant per Microchip. -I/MV suffix is Industrial temperature, not AEC-Q100 - for AEC-Q100, look at the PIC16F18875-E/PTVAO variant.
