PIC16F722T-I/ML - 8-bit 20MHz MCU 3.5KB Flash 28-QFN | Microchip
MPN: PIC16F722T-I/ML ✓ Hoạt độngPIC16F722T-I/ML Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a set of peripherals onto one silicon die. The PIC16 family uses a 14-bit instruction-word RISC architecture optimised for deterministic execution and very low power consumption; it sits within the broader hierarchy of microcontroller -> embedded processor -> semiconductor IC. The nanoWatt XLP variants extend this with deep sleep modes in the nanoampere range, making them common in IoT endpoints, sensor nodes, and energy-harvesting designs.
Key features of the PIC16F722 include 128 bytes of RAM, 256 bytes of EEPROM, a 10-bit ADC, multiple timers, enhanced PWM/CCP/Capture modules, USART, I²C/SPI, and a wide operating voltage range of 2.5 V to 5.5 V that supports both 3.3 V and 5 V rails. The device offers three internal oscillator modes and an internal 16 MHz HFINTOSC with ±1% typical accuracy, allowing designs to run without an external crystal.
The PIC16F722 is implemented on a low-power CMOS process and supports several sleep modes (sleep, watchdog timer off, and two levels of low-power sleep), with typical currents in the nanoampere range. The device integrates brown-out reset, power-on reset, watchdog timer, and a programmable code protection scheme that simplifies field deployment while improving reliability against code extraction.
Typical applications include IoT sensor nodes, low-power wireless remote controls, battery-powered industrial sensors, consumer appliances, LED lighting controllers, and small motor-control loops. The wide voltage tolerance suits industrial 24 V bus systems stepped down to 5 V or 3.3 V.
When designing with this part, place the decoupling capacitor (typically 100 nF plus 1 µF bulk) as close as possible to VDD/AVDD and use the exposed thermal pad on the QFN as a thermal and electrical ground connection to keep digital switching noise away from the analog rail.
This page synthesises real-time distributor pricing, drop-in alternative MPNs sourced from Microchip's own cross-reference data, and practical design notes that go beyond the manufacturer datasheet, giving procurement and engineering teams a single source of decision support.
Bộ thay thế dễ dàng lắp đặt cho PIC16F722T-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 PIC16F722T-I/ML (cùng hình factor và footprint) — khác nhau ở Package, Timers, Operating Temperature, Core Architecture, ADC.
PIC16F722A-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F720T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F721-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F722AT-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1716-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F722T-I/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F722T-I/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC16 RISC (14-bit instruction word) |
| Maximum CPU Frequency | 20 MHz |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| Data SRAM | 128 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage Range | 2.5 V to 5.5 V |
| I/O Pins | 25 |
| ADC | 10-bit, 11 channels |
| Timers | 4 (Timer0/1/2 + WDT) |
| Communication Interfaces | 1x USART, 1x I2C/SPI |
| Internal Oscillator | 16 MHz HFINTOSC (±1% typical) |
| Low-Power Technology | nanoWatt XLP™ |
| Hộp | 28-pin QFN (6x6 mm) with exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40 °C to +85 °C (industrial) |
| Cấp MSL | MSL3 (per JEDEC J-STD-020) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F722T-I/ML
| Chân 1 | RA3/AN3/Vref+/PGM/C1IN+ — GPIO/ADC input/positive Vref/Low-voltage programming/Comparator input |
| Chân 2 | RA4/AN4/T0CKI/C1OUT — GPIO/ADC input/Timer0 clock/Comparator output |
| Chân 3 | RA5/AN5/SS/HLVDIN/C2IN+ — GPIO/ADC input/SPI slave select/HLVD input/Comparator input |
| Chân 4 | RA6/OSC2/CLKO/AN6 — GPIO/Crystal oscillator output/Clock output/ADC input |
| Chân 5 | RA7/OSC1/CLKI/AN7 — GPIO/Crystal oscillator input/Clock input/ADC input |
| Chân 6 | RC0/T1OSO/T1CKI — GPIO/Timer1 oscillator output/Timer1 clock input |
| Chân 7 | RC1/T1OSI/CCP2 — GPIO/Timer1 oscillator input/CCP2 PWM output |
| Chân 8 | RC2/CCP1 — GPIO/Enhanced CCP1 PWM output |
| Chân 9 | RC3/SCK/SCL — GPIO/SPI clock/I2C clock |
| Chân 10 | RC4/SDI/SDA — GPIO/SPI data in/I2C data |
| Chân 11 | RC5/SDO — GPIO/SPI data out |
| Chân 12 | RC6/TX/CK — GPIO/USART transmit/USART clock |
| Chân 13 | RC7/RX/DT — GPIO/USART receive/USART data |
| Chân 14 | VSS — Ground |
| Chân 15 | VDD — Positive supply (2.5V to 5.5V) |
| Chân 16 | RB0/AN12/INT — GPIO/ADC input/External interrupt |
| Chân 17 | RB1/AN10/C1IN2-/C2IN2- — GPIO/ADC input/Comparator inverting input |
| Chân 18 | RB2/AN8/P1B/FLT0 — GPIO/ADC input/PWM output/PWM fault input |
| Chân 19 | RB3/AN9/CPPG/P1A/CCP2 — GPIO/ADC input/PWM output/CCP2 output |
| Chân 20 | RB4/AN11/C2IN+/P1C — GPIO/ADC input/Comparator input/PWM output |
| Chân 21 | RB5/AN13/P1D/C1IN3- — GPIO/ADC input/PWM output/Comparator inverting input |
| Chân 22 | RB6/ICSPCLK/ICDCLK — GPIO/In-circuit serial programming clock |
| Chân 23 | RB7/ICSPDAT/ICDDAT — GPIO/In-circuit serial programming data |
| Chân 24 | RA0/AN0/C1IN-/CVref — GPIO/ADC input/Comparator inverting input/Comparator Vref output |
| Chân 25 | RA1/AN1/C2IN-/Vref- — GPIO/ADC input/Comparator inverting input/negative Vref |
| Chân 26 | RA2/AN2/C2OUT — GPIO/ADC input/Comparator output |
| Chân 27 | MCLR/Vpp/RA5 — Master clear reset/Programming voltage/alternate GPIO |
| Chân 28 | VSS — Ground (also connects to exposed thermal pad) |
Ứng dụng tiêu biểu
PIC16F722T-I/ML phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Wireless Remote Control, Industrial Sensor Conditioning, Consumer Appliance Control, LED Lighting Controller, Automotive Body Electronics (AEC-Q100).
Battery-Powered IoT Sensor Node
The PIC16F722T-I/ML is ideal for battery-powered IoT sensor endpoints because of its nanoWatt XLP™ technology that delivers sub-50 nA typical sleep current and supports operating voltages down to 2.5 V. Its 3.5 KB Flash is sufficient for sensor drivers, averaging algorithms, and a small radio interface like LoRa or Sub-GHz. The 10-bit ADC with 11 channels handles multiple analog inputs (temperature, humidity, battery voltage) without external mux. A typical 6-layer coin-cell design can run for 5-10 years on a CR2032.
Được đề xuất
Wireless Remote Control
The PIC16F722T-I/ML fits handheld remote controls because its 28-QFN (6x6) footprint and 2.5 V to 5.5 V supply enable a single CR2032 or two AA cells. The internal 16 MHz HFINTOSC eliminates the need for an external crystal, saving PCB area and BOM cost. Five PWM channels drive LED backlighting and IR LED modulation, while USART or SPI links to Sub-GHz or BLE modules. NanoWatt XLP sleep mode ensures years of standby life on a coin cell.
Được đề xuất
Industrial Sensor Conditioning
Industrial sensor conditioning modules benefit from the PIC16F722T-I/ML's 2.5 V to 5.5 V input range, which supports both 3.3 V and 5 V sensor rails. Its 10-bit ADC with 11 channels handles temperature, pressure, and current sensing simultaneously, while ECCP and PWM modules generate excitation signals for bridge sensors. The industrial -40 °C to +85 °C temperature range and watchdog timer ensure operation in factory floors with electrical noise.
Được đề xuất
Consumer Appliance Control
The PIC16F722T-I/ML suits consumer appliances like coffee makers, air purifiers, and blenders where simple user interfaces meet reliable motor control. Its CCP/ECCP modules provide PWM outputs for DC motor speed control, and the 10-bit ADC reads thermistors and flow sensors. The 28-QFN footprint fits in compact sub-boards behind displays. Low-cost PIC kit programming support via ICSP enables rapid prototyping and field updates.
Được đề xuất
LED Lighting Controller
For LED lighting controllers and dimmers, the PIC16F722T-I/ML provides multiple PWM channels for RGB+W color mixing and a 10-bit ADC for ambient light sensing and color temperature feedback. The wide 2.5 V to 5.5 V supply range accepts rectified mains voltage after step-down. NanoWatt XLP low-power modes support battery-backed emergency lighting applications where standby power consumption must remain under 100 µA.
Được đề xuất
Automotive Body Electronics (AEC-Q100)
In automotive body electronics like seat controllers, mirror adjusters, or HVAC actuators, the AEC-Q100 qualified PIC16F722AT-I/ML variant in the same 28-QFN footprint delivers required automotive reliability. The PIC16F722T-I/ML standard version fits cost-sensitive automotive interior accessories like cup-holder lighting or vanity mirror controls, where its industrial -40 °C to +85 °C range suffices and the 28-QFN EP provides robust thermal performance.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F722T-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 | PIC16F722A-I/ML | PIC16F720T-I/ML | PIC16F721-I/ML | PIC16F722AT-I/ML |
|---|---|---|---|---|---|
| Package | 28-QFN (6x6) | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 3.5 KB | 3.5 KB | 1.75 KB | 7 KB | 3.5 KB |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Data SRAM | 128 bytes | 128 bytes | 128 bytes | 256 bytes | 128 bytes |
| Operating Voltage Range | 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 | 2.5 V to 5.5 V |
| ADC | 10-bit, 11 ch | 10-bit, 11 ch | 10-bit, 11 ch | 10-bit, 11 ch | 10-bit, 11 ch |
| Automotive AEC-Q100 | No | No | No | No | Yes |
| Approx. 1k-unit Price | $1.26 USD | $1.30 USD (est.) | $1.10 USD (est.) | $1.45 USD (est.) | $1.55 USD (est.) |
Bảo phân biệt quan trọng
- Lower Flash memory with same pinout, useful for cost-down designs (vsPIC16F720T-I/ML)
- Adds PSMC peripheral for direct SMPS control (vsPIC16F722A-I/ML)
- Automotive AEC-Q100 qualified drop-in variant (vsPIC16F722AT-I/ML)
Ghi chú thiết kế
Estimated: with nanoWatt XLP technology, the PIC16F722T-I/ML draws approximately 50 µA/MIPS active and <50 nA in deep sleep at 3.3 V. Place a 100 nF decoupling capacitor within 3 mm of VDD (pin 15) and a 1 µF bulk capacitor near the QFN exposed thermal pad to support ADC sampling transients. For battery-powered designs, enable the internal 16 MHz HFINTOSC at start-up to avoid the 2-4 ms crystal start-up delay.
The 28-QFN exposed thermal pad (EP) must be soldered to a ground copper pour that is at least 5x5 mm to meet the datasheet's thermal resistance of θJA ≈ 28 °C/W. Without EP soldering, junction temperature may rise by 30-40% under full-load operations, potentially triggering thermal shutdown at high ambient. Connect VSS (pin 14, 28) and EP together on a single ground island to avoid ground loops.
Keep the analog VDD/AVDD trace short and separated from digital switching pins like RC2 (CCP1 PWM) and RB6/RB7 (ICSP clock/data). Place the ADC reference decoupling (typically 100 nF) directly on pin 1 (RA3/AN3/Vref+) if used as Vref+. For mixed-signal designs, use a ferrite bead or small inductor between AVDD and digital VDD on the PCB. Route the ICSP signals RB6/RB7 away from switching nodes to avoid programming glitches.
Do not omit the MCLR external pull-up (typically 10 kΩ to VDD) even if the internal MCLR is disabled in CONFIG, because Microchip programmers (PICKit 3/4, ICD 4) require a high voltage on MCLR/Vpp during programming. Avoid driving pin 27 (MCLR) as a regular GPIO on production boards to preserve ICSP programming path. When using HFINTOSC, set OSCCON's IRCF<2:0> bits to the desired frequency at start-up before any timing-critical peripheral use.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page; PIC16F722T-I/ML is industrial-grade -40 °C to +85 °C. For automotive AEC-Q100 requirements, use the PIC16F722AT-I/ML variant in the same 28-QFN footprint. Conflict minerals compliance is per Microchip's published CMRT filings.
