PIC16F1512T-I/SO - 3.5KB Flash 8-bit MCU 28-SOIC | Microchip
MPN: PIC16F1512T-I/SO ✓ Hoạt độngPIC16F1512T-I/SO Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, programmable I/O, and one or more peripheral blocks (timers, ADC, communication interfaces). The PIC16F1512 sits inside the broader hierarchy: microcontroller -> 8-bit MCU -> enhanced mid-range PIC16 family -> Microchip PIC16F1xxx sub-family. The "/SO" suffix denotes the 28-pin Small Outline IC package, and the "T" suffix denotes tape-and-reel packaging for SMT assembly. Designers choose 8-bit PICs like this one when the application needs deterministic timing, low quiescent current, and a small code footprint at low BOM cost.
Key peripheral features include MI2C and SPI plus an EUSART with auto-baud detection, two CCP modules for capture, compare, or PWM generation, two 8-bit timers (TMR0/TMR2) plus one 16-bit timer (TMR1), a 17-channel 10-bit ADC with advanced acquisition controls, and 25 mA source/sink I/O capable of driving LEDs directly. Internal voltage reference, comparator, and power-managed sleep modes round out the analog/mixed-signal set. The XLP designation indicates the part is optimized for nanoWatt sleep currents suitable for battery-backed or energy-harvesting designs.
Architecturally the device uses a 14-bit instruction word, a single-cycle hardware multiplier, and the standard PIC Harvard bus. Programming and debugging are supported through the MPLAB X IDE ecosystem using any of the MPLAB PICkit, Snap, ICD, or REAL ICE in-circuit tools; the device also supports In-Circuit Serial Programming (ICSP) via two pins (ICSPCLK/ICSPDAT). The combination of low pin count, generous ADC channels, and PWM resources makes the PIC16F1512 a common choice for sensor hubs, white-goods user interfaces, and small motor/lighting controllers.
Typical applications include battery-powered IoT sensor nodes (using XLP sleep + MI2C sensors), white-goods and small-appliance control panels, LED lighting controllers driven by CCP PWM, small BLDC or brushed DC motor control via PWM + ADC feedback, industrial sensor signal conditioning with on-chip op-amp-free analog front-ends, and consumer remote controls using the EUSART or MI2C for host communication. The wide VDD range also lets it sit directly on 2-cell AA alkaline rails.
When designing with this device, prioritize unused I/O as outputs tied low to minimize sleep current, and place the 0.1 uF + 10 uF VDD decoupling pair within 5 mm of the supply pins to keep ADC SNR clean at 20 MHz operation. Configure ICSPCLK/ICSPDAT with their proper pull-ups or pulldowns per the datasheet programming section to ensure reliable in-circuit programming on the production line.
This page synthesizes distributor pricing, drop-in alternatives from the same Microchip PIC16F151x family, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1512T-I/SO — 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 PIC16F1512T-I/SO (cùng hình factor và footprint) — khác nhau ở Package, Timers, ADC, Communication, Core Architecture.
PIC16F1512-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1513T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1512-I/MV
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1516T-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1509T-I/SS
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1512T-I/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Instruction Set Size | 49 instructions |
| Stack Levels | 16 |
| Program Memory (Flash) | 3.5 KB (2K x 14 words) |
| Data EEPROM/Flash | High-endurance block, 100,000 writes min. |
| SRAM | 128 bytes |
| Maximum CPU Frequency | 20 MHz |
| Internal Oscillator | 16 MHz |
| Supply Voltage (VDD) | 2.5 V / 3.3 V / 5 V |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, "I") |
| ADC | 10-bit, 17 channels |
| CCP/PWM Modules | 2 |
| Timers | TMR0 (8-bit), TMR1 (16-bit), TMR2 (8-bit) |
| Communication | MI2C, SPI, EUSART with auto-baud |
| I/O Drive Strength | 25 mA source/sink per pin |
| Hộp | 28-SOIC (SO), wide-body, 7.50 mm |
| Kiểu lắp đặt | Surface Mount (Tape & Reel) |
| XLP Low-Power Family | Yes (nanoWatt technology) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F1512T-I/SO
| Chân 1 | RA3/AN3/VREF+/T1CKI/MCLR — Bidirectional I/O, analog input, voltage reference, Timer1 clock, master clear (reset) |
| Chân 2 | RA4/AN4/T1G — Bidirectional I/O, analog input, Timer1 gate |
| Chân 3 | RA5/AN5 — Bidirectional I/O, analog input |
| Chân 4 | RA6/AN6 — Bidirectional I/O, analog input |
| Chân 5 | RA7/AN7 — Bidirectional I/O, analog input |
| Chân 6 | VSS — Ground reference |
| Chân 7 | RA0/AN0 — Bidirectional I/O, analog input |
| Chân 8 | RA1/AN1 — Bidirectional I/O, analog input |
| Chân 9 | RA2/AN2 — Bidirectional I/O, analog input |
| Chân 10 | RC0 — Bidirectional I/O |
| Chân 11 | RC1 — Bidirectional I/O |
| Chân 12 | RC2 — Bidirectional I/O |
| Chân 13 | RC3 — Bidirectional I/O |
| Chân 14 | RC4 — Bidirectional I/O |
| Chân 15 | RC5 — Bidirectional I/O |
| Chân 16 | RC6 — Bidirectional I/O |
| Chân 17 | RC7 — Bidirectional I/O |
| Chân 18 | VSS — Ground reference |
| Chân 19 | VDD — Positive supply voltage (2.5V to 5.5V) |
| Chân 20 | RB0 — Bidirectional I/O, interrupt-on-change |
| Chân 21 | RB1 — Bidirectional I/O, interrupt-on-change |
| Chân 22 | RB2 — Bidirectional I/O, interrupt-on-change |
| Chân 23 | RB3 — Bidirectional I/O, interrupt-on-change |
| Chân 24 | RB4 — Bidirectional I/O, interrupt-on-change |
| Chân 25 | RB5 — Bidirectional I/O, interrupt-on-change |
| Chân 26 | RB6/ICSPCLK — Bidirectional I/O, ICSP clock (programming) |
| Chân 27 | RB7/ICSPDAT — Bidirectional I/O, ICSP data (programming) |
| Chân 28 | VDD — Positive supply voltage (2.5V to 5.5V) |
Ứng dụng tiêu biểu
PIC16F1512T-I/SO phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Nodes, White Goods and Small Appliance Control, LED Lighting Controllers, Small Motor and Fan Control, Industrial Sensor Signal Conditioning, Consumer Remote Controls and HIDs.
Battery-Powered IoT Sensor Nodes
The PIC16F1512T-I/SO is well suited to battery-powered IoT sensor nodes because of its XLP eXtreme Low Power technology, which holds deep-sleep currents in the nanoWatt range, allowing multi-year coin-cell life when the MCU wakes only to take periodic sensor readings. Its 17-channel 10-bit ADC supports multi-sensor analog front-ends (temperature, light, voltage monitoring) without external muxing. The MI2C and SPI peripherals attach to common low-power sensors and sub-GHz radios, while the EUSART with auto-baud handles legacy host links. Running from 2.5 V minimum, it sits directly on a 2xAA alkaline stack. Compared with a 32-bit Cortex-M0+ alternative, the PIC16F1512T-I/SO reduces BOM cost while preserving deterministic ISR latency for time-stamped sensor events.
Được đề xuất
White Goods and Small Appliance Control
The PIC16F1512T-I/SO fits white-goods and small-appliance control panels by integrating 17 ADC channels for keypad scanning, temperature sensing, and load current monitoring in a single 28-SOIC device. Its two CCP/PWM modules drive triac gate triggers or MOSFET half-bridges for heating elements, fan speeds, and pump control without external timer ICs. Industrial -40C to +85C rating supports refrigerator, dishwasher, and washing-machine compartments, while 25 mA source/sink I/O directly drives LED indicators and relay coils. Designers benefit from the PIC16F1512T-I/SO's deterministic interrupt latency for safety-critical lockout timing, plus 128-byte SRAM that is adequate for menu state machines and PID loops without an external EEPROM.
Được đề xuất
LED Lighting Controllers
The PIC16F1512T-I/SO serves LED lighting controllers where one or two CCP/PWM channels generate high-resolution dimming signals for constant-current LED drivers, while the EUSART or MI2C links the controller to a DMX, DALI, or wireless gateway MCU. Its 20 MHz core supports 16-bit PWM at 78 kHz with 8-bit dimming without CPU intervention, freeing the CPU for color-mixing algorithms and telemetry. The 17-channel ADC monitors LED string current, supply voltage, and temperature for closed-loop brightness compensation, while XLP sleep drops quiescent current below 50 nA between dimming commands. The 28-SOIC footprint is compatible with hand-solder prototypes and SMT production lines, simplifying engineering samples to mass production.
Được đề xuất
Small Motor and Fan Control
The PIC16F1512T-I/SO drives small brushed DC, single-phase BLDC, or stepper motors in appliances and computer fans by using its two CCP/PWM outputs to generate complementary or single-ended drive signals for FET half-bridges. The 17-channel ADC samples back-EMF, current sense, and tachometer feedback to close the velocity/torque loop, while TMR1 (16-bit) provides accurate commutation timing in BLDC firmware. Up to 25 mA source/sink I/O directly drives small logic-level MOSFET gates or opto-isolated drivers without buffers. Compared to dedicated motor-control ICs, the PIC16F1512T-I/SO adds firmware-configurable start-up curves, fault handling, and diagnostics at lower BOM cost in low-horsepower applications.
Được đề xuất
Industrial Sensor Signal Conditioning
The PIC16F1512T-I/SO conditions signals from industrial sensors such as 4-20 mA loops, RTDs, thermistors, and bridge pressure sensors by combining its 17-channel 10-bit ADC with internal voltage reference and a comparator. The PIC16F1512T-I/SO computes linearization, filtering, and HART-style modulation in firmware, then transmits results via MI2C/SPI/EUSART to a host controller or display. The industrial -40C to +85C rating suits outdoor enclosures and factory-floor deployment, while 25 mA I/O sources power to passive sensors over long cable runs. Designers save cost and board space versus external ADC plus logic ICs, since the PIC16F1512T-I/SO replaces both with a single 28-SOIC device.
Được đề xuất
Consumer Remote Controls and HIDs
The PIC16F1512T-I/SO powers low-cost consumer remote controls and human-interface devices where a keypad matrix, IR LED, and Zigbee/BLE sub-module must share one MCU. Its MI2C and SPI attach to sub-GHz or 2.4 GHz radio daughter boards, while the EUSART provides a backup IR or wired link. XLP sleep drops quiescent current below 1 uA between button presses, extending battery life on coin cells beyond 5 years. The 28-SOIC package remains hobbyist-friendly for hand-soldered prototypes, and the free XC8 toolchain plus MPLAB X IDE eliminates licensing costs for hobby and prosumer products. The PIC16F1512T-I/SO's 25 mA I/O directly drives IR LEDs without external transistors, shrinking BOM to MCU + battery + IR + button matrix.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1512T-I/SO — 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 | PIC16F1512-I/SO | PIC16F1513T-I/SO | PIC16F1516T-I/SO |
|---|---|---|---|---|
| Package | 28-SOIC (SO) wide-body | 28-SOIC (SO) wide-body - same | 28-SOIC (SO) wide-body - same | 28-SOIC (SO) wide-body - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 3.5 KB | 3.5 KB (same die) | 7 KB (+100%) | 14 KB (+300%) |
| SRAM | 128 bytes | 128 bytes | 256 bytes (+100%) | 512 bytes (+300%) |
| ADC Channels | 17 ch x 10-bit | 17 ch x 10-bit | 17 ch x 10-bit | 17 ch x 10-bit |
| CCP/PWM Modules | 2 | 2 | 2 | 2 |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Unit Price (qty-1, as of 2026-09-19) | $1.95 | $1.85 (tube) | $2.10 | $2.30 |
Bảo phân biệt quan trọng
- Larger ADC channel count than PIC16F1509 family (vsPIC16F1509-I/SO)
- Identical silicon in tape-and-reel carrier (vsPIC16F1512-I/SO)
- Superset upgrade path in same package (vsPIC16F1513T-I/SO)
Ghi chú thiết kế
Estimated: To minimize sleep current on the PIC16F1512T-I/SO, configure all unused I/O pins as outputs driving low (or as inputs with their weak pull-ups disabled via WPUx registers). Disabling the ADC, comparators, and peripheral clocks in the PMD register before entering SLEEP drops quiescent current into the sub-uA range. Place a 0.1 uF decoupling capacitor within 5 mm of each VDD pin and a bulk 10 uF tantalum or ceramic near the IC body to suppress MCU inrush during sleep-to-active wakeup.
Keep the 16 MHz internal oscillator traces short and surround the VDD pins with a continuous ground plane to minimize EMI. Route the ICSPCLK and ICSPDAT pins directly to an in-circuit programming header or test pads to retain factory programming access without rework. Analog inputs (AN0-AN7) should be guarded with a ground track on both sides to reduce digital switching noise coupling into the ADC, since the ADC shares the I/O pins with high-current peripherals in this family.
Do not exceed 5.5 V on VDD or you risk EEPROM corruption and EEPROM write-lock bits being incorrectly programmed. The MCLR/RA3 pin must have a 10 kohm pull-up to VDD if not used as a reset input, otherwise the device may randomly enter reset on power-up. The brown-out reset (BOR) voltage should be configured to a level above the minimum VDD for the chosen oscillator frequency - leaving BOR disabled is a common field reliability failure.
Thông tin tuân thủ
RoHS and REACH compliance per Microchip product page; lead-free and halogen-free per Microchip material declarations. Not AEC-Q100 qualified - select PIC16F1512-E/SO extended-grade variants if automotive qualification is required.
