PIC16F18445-E/SS - 14KB Flash 8-bit MCU 32MHz SSOP-20 | Microchip
MPN: PIC16F18445-E/SS ✓ فعالPIC16F18445-E/SS جائزہ
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data-path CPU, integrating program memory (FLASH/ROM), data memory (SRAM), EEPROM, and a mix of analog/digital peripherals. Within the broader taxonomy, an MCU belongs to microcontrollers -> integrated circuits -> semiconductors. The PIC16F18445 is engineered for general-purpose and low-power applications where deterministic interrupt response, peripheral integration and long battery life are mandatory.
Key differentiating features include 14 KB self-programmable FLASH, 256 bytes of EEPROM, 1 KB SRAM, a 12-bit ADC with Computation (ADCC), a 5-bit DAC, two comparators with 5-bit DAC reference, two PWM modules with Complementary Waveform Generator (CWG), an Enhanced Universal Synchronous/Asynchronous Receiver/Transmitter (EUSART) and SPI/I2C. The CIPs architecture lets the peripherals (PWM, CWG, ADC, comparators, timers) operate without CPU intervention, freeing the core for low-power sleep.
The PIC16F18445-E/SS uses Microchip's enhanced mid-range 16-bit instruction set with a 49-instruction opcode set, an 8-level hardware stack, and internal oscillator selectable from 32 kHz to 32 MHz. Functional Safety (FuSa) variants exist for safety-critical applications. The 'E' temperature grade denotes -40C to +125C industrial operating range.
Typical applications include IoT sensor nodes, battery-powered instrumentation, low-power wireless modules, consumer white goods, automotive body controllers and LED lighting control. The 20-pin SSOP footprint simplifies hand-prototyping while still supporting 18 I/O lines. Compact 8-bit microcontrollers like the PIC16F18445 are widely chosen when cost, power efficiency and predictable real-time behaviour dominate design priorities.
When designing with this part, place a 0.1 uF decoupling capacitor within 3 mm of the VDD pin and a bulk capacitor on the AVDD analog rail if used. The internal oscillator is factory calibrated to +/-2% across voltage and temperature, eliminating an external crystal in most general-purpose designs. For RF-sensitive or USB-class timing accuracy, route an external 32.768 kHz crystal to the SOSC pins instead.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, so procurement and embedded engineers can compare the PIC16F18445 against pin-compatible PIC16F184xx family members and competing 8-bit MCUs in a single view.
کے لیے ڈراپ اِن متبادل PIC16F18445-E/SS — 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 PIC16F18445-E/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Operating Temperature, ADC, Program Memory (Flash), Core Architecture.
PIC16F18444-E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18346-E/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18345-E/SS
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F1827-E/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1829-E/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1826-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18445-E/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC16 8-bit Enhanced Mid-Range |
| Program Memory (FLASH) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Instruction Set Width | 14-bit (49 instructions) |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| I/O Pins | 18 |
| ADC | 12-bit ADCC (Analog-to-Digital Converter with Computation) |
| DAC | 5-bit DAC |
| Comparators | 2 |
| PWM Channels | 2 (with CWG) |
| Timers | 11 (8/16-bit selectable) |
| Communication | 1x EUSART, 2x MSSP (SPI/I2C) |
| Watchdog Timer | WWDT (Windowed) |
| پیکیج | 20-pin SSOP (0.209 inch / 5.30 mm body width) |
| آپریٹنگ درجہ حرارت | -40 C to +125 C (E = industrial grade) |
| Technology | XLP eXtreme Low-Power CMOS |
| Programming Interface | ICSP (In-Circuit Serial Programming) |
| RoHS اسٹیٹس | Compliant |
PIC16F18445-E/SS پن کنفیگریشن
| پن 1 | VDD — Positive power supply |
| پن 2 | RA5 — Bidirectional I/O / analog input |
| پن 3 | RA4 — Bidirectional I/O |
| پن 4 | RA3/MCLR — Bidirectional I/O / Master Clear (reset) |
| پن 5 | RA2 — Bidirectional I/O / analog input |
| پن 6 | RA1 — Bidirectional I/O / analog input |
| پن 7 | RA0 — Bidirectional I/O / analog input |
| پن 8 | RC0 — Bidirectional I/O / analog input |
| پن 9 | RC1 — Bidirectional I/O / analog input |
| پن 10 | RC2 — Bidirectional I/O / analog input |
| پن 11 | RC3 — Bidirectional I/O / analog input |
| پن 12 | RC4 — Bidirectional I/O / analog input |
| پن 13 | RC5 — Bidirectional I/O / analog input |
| پن 14 | RC6 — Bidirectional I/O / TX/CK (EUSART) |
| پن 15 | RC7 — Bidirectional I/O / RX/DT (EUSART) |
| پن 16 | RB7 — Bidirectional I/O / ICSPCLK |
| پن 17 | RB6 — Bidirectional I/O / ICSPDAT |
| پن 18 | RB5 — Bidirectional I/O / analog input |
| پن 19 | RB4 — Bidirectional I/O / analog input |
| پن 20 | VSS — Ground reference |
عام استعمالات
PIC16F18445-E/SS کے لیے موزوں ہے 6 ایپلیکیشنs: Battery-Powered IoT Sensor Node, Industrial Sensor Transmitter (4-20 mA / 0-10 V), Consumer White Goods Control Board, Automotive Body Electronics (Lighting / Wipers), Smart LED Lighting and Signage Controller, Portable Medical and Wellness Devices.
Battery-Powered IoT Sensor Node
The PIC16F18445-E/SS suits battery-powered IoT sensor nodes because its XLP architecture draws roughly 50 uA/MHz active and sub-50 nA in sleep with RTCC running, extending coin-cell life into multi-year ranges. Its 12-bit ADCC samples analog sensors (temperature, light, soil moisture) at up to 300 ksps while hardware accumulation averages multiple conversions without waking the CPU. The EUSART handles UART-linked radios like LoRa or Sub-GHz transceivers; MSSP drives I2C/SPI sensors directly. Operating from 1.8-5.5 V makes the device compatible with single-cell Li-Ion, 2xAA alkaline, or energy-harvested supplies, and the 32 MHz HFINTOSC eliminates an external crystal, shrinking BOM cost and PCB area.
تجویز کردہ
Industrial Sensor Transmitter (4-20 mA / 0-10 V)
The PIC16F18445-E/SS fits industrial 4-20 mA / 0-10 V transmitters because its 12-bit ADCC with hardware averaging produces stable, low-noise measurements from bridge and RTD sensors. The 5-bit DAC and 32 MHz core implement linearization and PID compensation, while the 1.8-5.5 V range supports both 3.3 V logic and 5 V analog signal chains. The 20-pin SSOP footprint is mechanically robust for industrial enclosures, and the -40 C to +125 C operating range meets IEC 60068 environmental stress. The XLP sleep modes keep total module power below 5 mW for loop-powered 4-20 mA designs, and the integrated EUSART supports HART or Modbus RTU communication.
تجویز کردہ
Consumer White Goods Control Board
The PIC16F18445-E/SS is ideal for white-goods control boards (washing machines, dishwashers, microwave ovens) where the 12-bit ADCC reads temperature probes, water level sensors and motor current. Its two PWMs with Complementary Waveform Generator (CWG) drive induction-cooktop and motor-control power stages directly, while hardware comparators implement overcurrent protection without CPU intervention. With 14 KB FLASH it absorbs entire state-machine control programs, and the SSOP-20 footprint fits compact appliance PCAs. The device operates from 1.8-5.5 V, accommodating 5 V motor drivers and 3.3 V digital logic on the same board. CIPs peripherals shorten development cycles for appliance engineers.
تجویز کردہ
Automotive Body Electronics (Lighting / Wipers)
The PIC16F18445-E/SS handles automotive body modules such as interior lighting, wiper controllers and seat-position drivers because its -40 C to +125 C industrial grade survives under-dash thermal stress. The 32 MHz core and CWG deliver flicker-free PWM dimming at 20 kHz above the audible band. The 12-bit ADCC monitors current-sense shunts for short-circuit detection, while the integrated EUSART supports LIN bus stacks commonly used in body control networks. Operating from 1.8-5.5 V lets the device tolerate crank-drop events down to 4.5 V on a 12 V battery rail, and the SSOP-20 footprint simplifies hand-rework for service technicians. PIC16F184xx devices are widely used for AEC-Q100 style applications when Q-grade variants are selected.
تجویز کردہ
Smart LED Lighting and Signage Controller
The PIC16F18445-E/SS fits smart LED lighting controllers because its two PWMs with CWG and 32 MHz clock produce smooth high-frequency dimming free of audible noise, while the 5-bit DAC and comparators generate constant-current analog loops for LED strings. The MSSP ports drive SPI daisy-chain addressable LEDs (WS2812 / APA102) without external glue logic. Operating from 1.8-5.5 V supports both 3.3 V digital logic and 5 V analog dimming, and the XLP sleep current below 50 nA makes the device attractive for battery-backup emergency luminaires. The 14 KB FLASH supports DMX-512 / DALI protocol stacks, easing integration into architectural lighting fixtures.
تجویز کردہ
Portable Medical and Wellness Devices
The PIC16F18445-E/SS suits portable medical and wellness devices such as pulse oximeters, blood-pressure cuffs and connected thermometers because its XLP low-power technology keeps continuous-monitoring devices running on small Li-Ion batteries for weeks. The 12-bit ADCC samples photoplethysmography (PPG) and temperature signals with hardware averaging, while the integrated DAC drives bias currents for analog front-ends. Functional Safety (FuSa) variants of the PIC16F18445 family are available for safety-critical medical applications per IEC 60730. The device's 14 KB FLASH supports algorithm storage for heart-rate calculation, and the EUSART links to Bluetooth / BLE modules for smartphone connectivity. The SSOP-20 footprint supports compact wearable form factors.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F18445-E/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F18444-E/SO | PIC16F18346-E/SS | PIC16F18345-E/SS | PIC16F1827-E/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SSOP | 20-pin SOIC | 20-pin SSOP - same | 20-pin SSOP - same | 20-pin SSOP - same |
| Core Architecture | PIC16 8-bit Enhanced Mid-Range | PIC16 8-bit Enhanced Mid-Range | PIC16 8-bit Enhanced Mid-Range | PIC16 8-bit Enhanced Mid-Range | PIC16 Enhanced Mid-Range (older CIP) |
| FLASH Program Memory | 14 KB | 14 KB | 14 KB | 14 KB | 7 KB |
| Data SRAM | 1 KB | 1 KB | 1 KB | 1 KB | 384 B |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC | 12-bit ADCC | 12-bit ADCC | 12-bit ADCC | 12-bit ADC | 10-bit ADC |
| EUSART | Yes | No | Yes | Yes | No (EUSART not present) |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
اہم امتیازی خصوصیات
- Doubles FLASH over the legacy PIC16F1827 family (بمقابلہPIC16F1827-E/SS)
- Adds EUSART for asynchronous/RS-485 communication (بمقابلہPIC16F18444-E/SO)
- 12-bit ADCC with hardware averaging (بمقابلہPIC16F18345-E/SS)
ڈیزائن نوٹس
Place a 100 nF decoupling capacitor within 3 mm of the VDD pin (pin 1) and a bulk 1-10 uF electrolytic/tantalum on the same VDD trace. The PIC16F18445-E/SS has separate analog (AVDD/AVSS) and digital supplies on larger variants; on the SSOP-20 they share the same pins. According to the PIC16F184xx datasheet, AVDD must be tied to VDD if the ADC is unused. A series ferrite bead between digital and analog rails reduces ADC noise coupling in mixed-signal designs.
Route the ICSP clock and data lines (RB6/ICSPDAT, RB7/ICSPCLK) directly to a 2x3 or 1x6 header with series 100 ohm termination near the connector to keep debug/programming reliable. The internal HFINTOSC is factory calibrated to +/-2% across voltage and temperature, so an external crystal is not required for general-purpose designs; if USB or RF timing is needed, add a 32.768 kHz crystal to the SOSC pins (RA4/RA5) for RTC reference. Keep RC6/RC7 (EUSART TX/RX) traces short and impedance-matched when driving long cables.
Avoid the common pitfall of leaving RA3/MCLR floating - on the PIC16F18445-E/SS this pin defaults to MCLR mode and must be tied to VDD through a 10 kohm pull-up resistor, or used as a reset input. Confirmed in the PIC16F184xx datasheet: disabling MCLR requires the MCLRE configuration bit to be cleared. Also note that pin 1 is VDD (not VSS as on some legacy 20-pin PICs); reversing supply polarity on SSOP-20 may destroy the device.
تعمیل کی معلومات
RoHS compliant per Microchip product page. -E temperature grade denotes industrial -40C to +125C range; AEC-Q100 qualification requires selection of automotive-grade PIC16F18445 variants (not in the SSOP-20 -E/SS suffix).
