PIC16F1764T-I/ML - 8-bit 32MHz 7KB Flash MCU 16-QFN | Microchip
MPN: PIC16F1764T-I/ML ✓ Hoạt độngPIC16F1764T-I/ML Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/EEPROM/RAM), and peripherals on one die. The 8-bit MCU class, anchored by Microchip's PIC architecture, is widely used where deterministic real-time response, low power, and small footprint outweigh raw throughput. Within that hierarchy, the PIC16F176X line targets mixed-signal embedded designs that need both analog conditioning and digital control without a separate analog front-end.
Key features include 32 MHz operation (8 MHz instruction rate with 4-cycle pipeline), 7 KB self-programmable Flash, 256 bytes EEPROM emulation via data EEPROM, 512 bytes RAM, 12-channel 10-bit ADC, two op amps, two 10-bit DACs, two comparators, a zero-cross detector, four 16-bit PWM with independent time bases, and configurable logic cells. The QFN-16 package exposes 14 I/O pins and supports industrial -40C to +85C operation. Brown-out reset, watchdog timer, and low-power sleep modes (nanowatt range) are also integrated.
Architecturally, the device uses a RISC-style Harvard core with 49 single-word instructions, deterministic interrupt latency, and a wide operating voltage range of 2.3V to 5.5V. The high-current I/O drivers can source/sink up to 50 mA per pin, eliminating external drivers for LED arrays, relays, and small solenoids.
Typical applications include LED lighting control (constant-current drivers with high-resolution PWM for dimming), sensor signal conditioning (using on-chip op amps), small motor and fan control (with complementary PWM outputs), AC zero-cross switching for TRIAC/SSR drive, and consumer appliance control panels. Designers value the analog integration because it shrinks the BOM in space-constrained cost-sensitive products.
A design consideration for the 16-QFN is thermal pad connection to the PCB ground plane to keep junction temperature in spec; expose-pad soldering is critical for mechanical reliability and thermal performance.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet to help engineers evaluate, source, and design with the PIC16F1764T-I/ML efficiently.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1764T-I/ML — 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 PIC16F1764T-I/ML (cùng hình factor và footprint) — khác nhau ở ADC, Package, Operating Temperature, DAC, Program Memory (Flash).
PIC16F1764-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1765T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1768T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1708T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1769T-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1764T-I/ML Tỷ lệ tối đa & tính chất điện
| Family | PIC16F176X |
| Core | PIC 8-bit RISC |
| Program Memory | 7 KB (4K x 14) Flash |
| RAM | 512 bytes |
| EEPROM | 256 bytes |
| CPU Speed | 32 MHz (8 MIPS) |
| Điện áp cung cấp | 2.3 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +85C |
| I/O Pins | 14 |
| Hộp | 16-QFN (4x4 mm) |
| Kiểu lắp đặt | Surface Mount |
| ADC | 10-bit, up to 12 channels |
| DAC | 2x 10-bit |
| Comparators | 2 |
| Op Amps | 2 |
| PWM | 4x 16-bit, independent time bases |
| Zero-Cross Detector | Yes |
| I/O Drive Strength | High current (up to 50 mA per pin) |
| Low Power Feature | XLP eXtreme Low-Power, sleep in nA range |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F1764T-I/ML
| Chân 1 | RA2 — Bidirectional I/O / analog input |
| Chân 2 | RA3/MCLR/VPP — I/O / Master Clear (reset) / programming voltage |
| Chân 3 | RA4 — Bidirectional I/O / analog input |
| Chân 4 | RA5 — Bidirectional I/O / analog input |
| Chân 5 | VSS — Ground reference |
| Chân 6 | VDD — Positive power supply |
| Chân 7 | RB0 — Bidirectional I/O / analog input |
| Chân 8 | RB1 — Bidirectional I/O / analog input |
| Chân 9 | RB2 — Bidirectional I/O / analog input |
| Chân 10 | RB3 — Bidirectional I/O / analog input |
| Chân 11 | RB4 — Bidirectional I/O |
| Chân 12 | RB5 — Bidirectional I/O |
| Chân 13 | RB6/PGC — I/O / ICD clock (programming/debug) |
| Chân 14 | RB7/PGD — I/O / ICD data (programming/debug) |
| Chân 15 | RA0/ICDDAT — I/O / ICD data |
| Chân 16 | RA1/ICDCLK — I/O / ICD clock |
Ứng dụng tiêu biểu
PIC16F1764T-I/ML phù hợp cho 6 Áp dụngs: LED Lighting Control and Dimming, AC Zero-Cross Solid-State Switching, Small DC Motor and Fan Speed Control, Sensor Signal Conditioning, Consumer Appliance Control Panels, IoT Edge Sensor Nodes.
LED Lighting Control and Dimming
The PIC16F1764T-I/ML is ideal for constant-current LED driver controllers in dimmable luminaires, accent lighting, and signage. Its four 16-bit PWM channels with independent time bases deliver high-resolution dimming (>16-bit effective duty cycle) that meets architectural-grade lighting flicker requirements. Per the PIC16F176X datasheet, the on-chip op amps can close a current-sense loop directly, eliminating external transconductance stages. The high-current I/O pins (50 mA sink/source per pin) drive small LED strings without MOSFET drivers, shrinking the BOM. Choose this MCU when you need smooth logarithmic dimming, multiple independently-dimmed channels, and zero-cross detection for AC-line synchronous fading in TRIAC-dimmable fixtures. Compared to a pure analog LED driver, the PIC16F1764T-I/ML adds remote-control protocol support (UART, I2C, DMX) at modest cost.
Được đề xuất
AC Zero-Cross Solid-State Switching
The integrated zero-cross detector (ZCD) module makes the PIC16F1764T-I/ML well suited for AC-line TRIAC/SSR switching in appliances, motor starters, and smart outlets. Per the PIC16F176X datasheet, the ZCD generates an interrupt within 50 ns of the AC zero crossing, enabling zero-voltage switching that minimizes EMI and extends relay contact life. The on-chip op amps can buffer and amplify sensor inputs (NTC thermistor, current-sense shunt) for closed-loop protection. Combined with the high-current I/O (50 mA), the MCU can drive small TRIACs directly via a gate resistor. Designers favor this part for low-noise AC switching because it eliminates the discrete ZCD circuit traditionally required.
Được đề xuất
Small DC Motor and Fan Speed Control
The PIC16F1764T-I/ML's four complementary 16-bit PWM outputs drive brushed DC motors, small brushless fans, and solenoid actuators with closed-loop speed or position control. Per Microchip's motor-control library, the configurable logic cells and on-chip comparators implement current limiting and back-EMF sensing without external comparators. The op amps handle analog feedback conditioning, while the high-current I/O drives gate drivers directly. Operating from 2.3 V to 5.5 V, the MCU can be powered from a single-cell Li-ion or USB rail. The 32 MHz CPU executes field-oriented-control software at sufficient update rates for sub-100 W motors, while the XLP sleep mode drops to nanoamp standby when the motor is idle.
Được đề xuất
Sensor Signal Conditioning
With two on-chip op amps, two comparators, and a 12-channel 10-bit ADC, the PIC16F1764T-I/ML performs complete sensor signal conditioning for thermocouples, photodiodes, strain gauges, and pH probes. Per the PIC16F176X datasheet, the op amps can be configured as instrumentation front-ends with programmable gain, eliminating external analog ICs. The 10-bit ADC provides adequate resolution for industrial process monitoring, while the high-current I/O directly drives 4-20 mA loop or HART modem front-ends. The MCU also handles digital filtering and linearization firmware in C, allowing sensor calibration data to be stored in on-chip EEPROM for factory-trimmed accuracy.
Được đề xuất
Consumer Appliance Control Panels
The PIC16F1764T-I/ML is widely used in microwave oven keypads, washing-machine control boards, coffee machine UI panels, and air-conditioner remotes because of its rich mix of analog peripherals and high-current I/O. Per the PIC16F176X datasheet, the device directly drives LED segment displays, key-scanning matrices, and buzzer transducers without external drivers. The op amps amplify microphone or touch-sense signals, while the zero-cross detector synchronizes to AC mains for dimming and power-level control. Operating from -40C to +85C, the MCU survives appliance thermal environments, and the XLP sleep modes meet standby regulations like Energy Star.
Được đề xuất
IoT Edge Sensor Nodes
The PIC16F1764T-I/ML fits battery-powered IoT edge nodes such as environmental monitors, smart thermostats, and wireless sensor tags thanks to its XLP low-power operation and integrated analog front-end. Per the PIC16F176X datasheet, sleep currents in the nanoampere range extend coin-cell life into years, while the on-chip ADC and op amps condition sensor data before transmission. The MCU interfaces over UART or SPI to popular sub-GHz radios (LoRa, Zigbee) and BLE modules without glue logic. With 7 KB Flash, it can run simple protocol stacks and onboard anomaly-detection firmware before pushing data to a gateway.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1764T-I/ML — 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 | PIC16F1764-I/ML | PIC16F1765T-I/ML | PIC16F1768T-I/ML | PIC16F1708T-I/ML | PIC16F1769T-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 16-QFN (4x4 mm) | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same | 16-QFN (4x4 mm) - same |
| Flash Memory | 7 KB | 7 KB | 14 KB | 7 KB | 7 KB | 14 KB |
| RAM | 512 B | 512 B | 1 KB | 512 B | 512 B | 1 KB |
| CPU Speed | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Op Amps | 2 | 2 | 2 | 2 | 0 | 2 |
| Zero-Cross Detector | Yes | Yes | Yes | Yes | No | Yes |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- On-chip zero-cross detector for AC switching (vsPIC16F1708T-I/ML)
- Two integrated op amps eliminate external analog front-end (vsPIC16F1765T-I/ML with same op-amp count)
- Tape and reel packaging for high-volume assembly (vsPIC16F1764-I/ML)
Ghi chú thiết kế
The 16-QFN package dissipates heat primarily through the exposed pad (EP) on the underside. Per Microchip packaging guidelines, the EP must be soldered to a PCB copper pad of at least 0.5 sq cm to keep junction temperature in spec. Without proper EP soldering, the internal thermal resistance can rise above 100 C/W and the part may overheat at full CPU load with multiple peripherals active. Add thermal vias (4-6 in a 3x3 array) under the EP to spread heat into the inner PCB ground plane.
Place decoupling capacitors as close as possible to VDD (pin 6) and VSS (pin 5). Use a 100 nF ceramic on VDD and a 10 uF bulk capacitor on the supply rail. Per Microchip's general MCU layout guide, separate analog signals (RA0-RA5, RB0-RB3) from digital switching traces to minimize ADC crosstalk. Keep the analog reference (if used) trace short and guarded by ground.
Do not leave the MCLR pin floating - it must be tied to VDD through a 10 kohm resistor or directly driven by the debugger. For in-circuit programming (ICSP), dedicate RB6/PGC and RB7/PGD pins to the debugger interface and avoid loading them with heavy capacitance or pull-ups that exceed 10 kohm. The zero-cross detect input requires an external current-limiting resistor (typically 1 Mohm) for safe AC-line sensing; exceeding the absolute maximum input voltage will damage the pin.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product environmental compliance information. Industrial-grade -40C to +85C; not AEC-Q100 qualified - consult automotive-grade variants for vehicle applications.
