PIC16F1575-I/ST - 8-bit MCU, 14KB Flash, 16-bit PWM, 14-TSSOP | Microchip
MPN: PIC16F1575-I/ST ✓ Hoạt độngPIC16F1575-I/ST Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, RAM, and peripherals such as timers, ADCs, and communication interfaces into one device. The PIC16F1575 belongs to Microchip's enhanced mid-range PIC16F1xxx family, which sits architecturally above baseline PIC10/12/16 cores and below the 16-bit PIC24/dsPIC families. Its defining peripheral set combines four 16-bit Pulse-Width Modulation (PWM) channels with complementary outputs and a 10-bit Analog-to-Digital Converter (ADC), enabling mixed-signal and precision-power applications from a small-footprint device.
Key features of the PIC16F1575-I/ST include four independent 16-bit PWMs with dedicated timers, a 10-bit ADC with up to 12 channels (part-dependent), 1KB SRAM, 256 bytes of EEPROM, configurable internal oscillator, and nanoWatt XLP extreme-low-power technology for sleep currents in the nanoampere range. The integrated Core Independent Peripherals (CIPs) - including the 16-bit PWM, Complementary Waveform Generator (CWG), and Numerically Controlled Oscillator (NCO) - allow deterministic hardware-driven tasks without CPU intervention, reducing firmware complexity and power consumption.
The PIC16F1575-I/ST is engineered for applications where high-resolution PWM is required in a compact 14-pin footprint. Typical uses include LED lighting drivers, digital power conversion, motor control loops, and battery-powered sensor nodes. Its 16-bit PWM resolution enables fine-grained dimming curves in lighting and tight regulation in switch-mode power supplies, while the 10-bit ADC supports closed-loop current and voltage sensing for adaptive control.
When designing with this MCU, use the MPLAB X IDE and the free MPLAB Code Configurator (MCC) plug-in to generate peripheral initialization code. Place a 100 nF decoupling capacitor close to VDD, and configure the configuration bits for the desired oscillator source and watchdog timer behavior. Avoid driving LEDs directly from logic pins without current-limiting resistors; use a MOSFET driver or the integrated PWM to control external switching transistors for higher-current loads.
This page combines distributor pricing, drop-in alternatives in the same 14-TSSOP footprint, and practical design notes that go beyond what the manufacturer datasheet alone provides, helping engineers select, source, and integrate the PIC16F1575-I/ST with confidence.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1575-I/ST — 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 PIC16F1575-I/ST (cùng hình factor và footprint) — khác nhau ở Package, Program Memory (Flash), Core Architecture, ADC, Operating Temperature.
PIC16F1574-I/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1575-E/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1575T-I/ST
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1575T-E/ST
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F15225-I/ST
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F15224-I/ST
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1575-I/ST Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16 (8-bit enhanced mid-range) |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 1 KB (1024 bytes) |
| EEPROM | 0 bytes (no data EEPROM) |
| 16-bit PWM Channels | 4 with independent timers |
| ADC | 10-bit |
| Hộp | 14-pin TSSOP (ST) |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Internal Oscillator | Yes (configurable) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 |
| Trạng thái RoHS | Compliant |
| Đông trùng haogen | Compliant |
Cấu hình chân PIC16F1575-I/ST
| Chân 1 | RA5 — Bidirectional I/O / ICVP programming data |
| Chân 2 | RA4 — Bidirectional I/O |
| Chân 3 | RA3 — Bidirectional I/O / MCLR (reset input) |
| Chân 4 | RA2 — Bidirectional I/O |
| Chân 5 | RA1 — Bidirectional I/O / ICSPCLK |
| Chân 6 | RA0 — Bidirectional I/O |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RA7 — Bidirectional I/O / OSC1 (crystal) |
| Chân 9 | RA6 — Bidirectional I/O / OSC2 (crystal) |
| Chân 10 | RC5 — Bidirectional I/O / PWM output |
| Chân 11 | RC4 — Bidirectional I/O / PWM output |
| Chân 12 | RC3 — Bidirectional I/O / PWM output |
| Chân 13 | RC2 — Bidirectional I/O / PWM output |
| Chân 14 | VDD — Positive supply (1.8 V to 5.5 V) |
Ứng dụng tiêu biểu
PIC16F1575-I/ST phù hợp cho 6 Áp dụngs: Dimmable LED Lighting Driver, Digital Switch-Mode Power Supply (SMPS), Battery-Powered IoT Sensor Node, Small DC Motor Speed Control, Consumer White Goods and Home Appliances, Hobby Electronics and Maker Projects.
Dimmable LED Lighting Driver
The PIC16F1575-I/ST fits dimmable LED lighting because four 16-bit PWMs deliver the high duty-cycle resolution needed for smooth logarithmic dimming curves, while the 10-bit ADC closes the loop on LED current sensing. With the integrated Complementary Waveform Generator (CWG), the MCU drives a MOSFET half-bridge with hardware dead-band control, eliminating shoot-through losses. VDD at 3.3 V or 5 V directly powers the logic side, and 32 MHz CPU clock keeps color-mixing math responsive even with multiple PWM channels updating in real time.
Được đề xuất
Digital Switch-Mode Power Supply (SMPS)
In digital SMPS designs, the PIC16F1575-I/ST acts as the primary controller, with its 16-bit PWM generating the switching frequency up to several hundred kHz and the 10-bit ADC sampling the output voltage and current at each switching cycle. The 1KB RAM buffers ADC sample rings and state-machine variables without overflowing. The 1.8 V to 5.5 V supply range lets the MCU run directly from an auxiliary winding, simplifying bootstrap design compared with parts needing 3.3 V regulation.
Được đề xuất
Battery-Powered IoT Sensor Node
The PIC16F1575-I/ST is well suited to battery-powered sensor nodes thanks to nanoWatt XLP extreme-low-power technology, which delivers sleep currents in the nanoampere range while RAM retention is preserved. The 1KB RAM is enough for a few hundred sensor readings plus a state machine, while the 14KB Flash supports an MQTT-SN or LoRaWAN stack fragment. The MCU wakes on an interrupt, samples a sensor via the 10-bit ADC, transmits, and returns to deep sleep, all within a 14-pin TSSOP footprint smaller than a fingernail.
Được đề xuất
Small DC Motor Speed Control
For DC and BLDC motor control at low to moderate power, the PIC16F1575-I/ST provides a 16-bit PWM for fine speed resolution, complementary outputs for half-bridge drive, and a 10-bit ADC for back-EMF or current feedback. The 32 MHz instruction cycle keeps the control loop tight at 10 kHz or higher update rates. The 14-pin TSSOP package fits on space-constrained PCBAs such as drone gimbal controllers or small appliance motor boards.
Được đề xuất
Consumer White Goods and Home Appliances
The PIC16F1575-I/ST delivers the right balance of price, peripherals, and package size for white-goods control boards such as coffee makers, rice cookers, and small kitchen appliances. The 16-bit PWM drives a heating element or induction coil with precise duty control, while the 10-bit ADC reads thermistor or weight sensor inputs. Industrial temperature rating (-40C to +85C) covers typical kitchen and laundry environments, and the TSSOP-14 footprint is easy to hand-solder or rework during prototyping.
Được đề xuất
Hobby Electronics and Maker Projects
The PIC16F1575-I/ST is a strong choice for hobbyists and makers because of its low price (around $2.47 at qty 1), free MPLAB X IDE support, and broad library of community examples on GitHub and the Microchip Developer Help library. The 14KB Flash comfortably fits Arduino-style sketches ported to XC8, while the 16-bit PWMs give hobby projects smoother servo motion or audio synthesis than the 8/10-bit PWMs of older PIC16 baseline parts. The TSSOP-14 footprint works with breakout boards and breadboard adapters.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1575-I/ST — 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 | PIC16F1574-I/ST | PIC16F1575-E/ST | PIC16F1575T-I/ST | PIC16F1575T-E/ST | PIC16F15225-I/ST | PIC16F15224-I/ST |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-TSSOP | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same | 14-TSSOP - same |
| Flash Memory | 14 KB | 7 KB | 14 KB | 14 KB | 14 KB | 3.5 KB | 2 KB |
| 16-bit PWM Channels | 4 | 4 | 4 | 4 | 4 | 2 | 2 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C |
| 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 | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
Bảo phân biệt quan trọng
- Four 16-bit PWMs in 14-TSSOP footprint (vsPIC16F1574-I/ST)
- Industrial -40C to +85C baseline (vsPIC16F1575-E/ST)
- Mature 16-bit PWM IP and CWG peripheral (vsPIC16F15224-I/ST)
- Wide 1.8 V to 5.5 V VDD (vsPIC16F1574-I/P (PDIP))
Ghi chú thiết kế
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 14) of the PIC16F1575-I/ST, and add a bulk capacitor (4.7 uF to 10 uF) on the same power rail if the design uses PWM-driven MOSFETs that inject switching noise. The MCU's wide 1.8 V to 5.5 V supply range lets you share the same rail as the load in many cases, but keep the analog VDD pin (if routed separately) decoupled independently to preserve ADC accuracy.
Configure the MCLR function on pin 3 (RA3) before connecting external circuitry. If RA3 is used as a regular GPIO, MCLR must be disabled in the configuration bits, otherwise an unintended reset can occur. Likewise, leave the ICSP pins (RA0/RA1) accessible on the PCB for in-circuit programming - either as test points, a 6-pin header, or pogo-pad landings for production programming.
Route the crystal traces (RA6/RA7) as short and symmetrical as possible, with the load capacitors (typically 15-33 pF) placed within 5 mm of the MCU pins. If using the internal oscillator instead, RA6 and RA7 can be repurposed as GPIO, freeing two I/O lines for PWM output or ADC input. Keep high-speed switching traces (PWM outputs to MOSFET gates) away from the crystal traces to avoid injected noise.
At 32 MHz CPU clock and 5.5 V VDD, the PIC16F1575-I/ST draws roughly 5 to 8 mA active. Estimated: at full load with all four PWMs and the ADC active, power dissipation stays below 50 mW in the 14-pin TSSOP, which has theta_JA around 100 C/W - junction temperature rises by only ~5 C above ambient. No heatsink is needed; standard TSSOP PCB copper is sufficient.
Thông tin tuân thủ
RoHS compliant and Halogen Free per GlobalSpec datasheet cross-reference record. MSL-1 moisture sensitivity rating. Not AEC-Q100 qualified - for automotive designs, select PIC16F1575-E/ST (extended temp) or a Q-graded variant from Microchip's automotive catalog.