PIC16LF1782T-I/ML - 8-Bit MCU 32MHz 3.5KB Flash | Microchip
MPN: PIC16LF1782T-I/ML ✓ Hoạt độngPIC16LF1782T-I/ML Tóm tắt
An 8-bit microcontroller is a single-chip computer that integrates a CPU core, program memory, data memory, peripherals, and I/O on one silicon die. In the broader system hierarchy, the MCU sits below application processors and above discrete logic; the PIC16F family uses a Harvard RISC architecture with a 14-bit instruction word, optimised for deterministic interrupt response and ultra-low power (XLP) operation - making this part especially suited to battery-powered and energy-harvesting designs.
Key on-chip peripherals include a 12-bit ADC, an 8-bit DAC, multiple PWM modules, comparators, and the Microchip eXtreme Low Power (XLP) sleep management, with active-mode current draw in the low-microamp range. The integrated 12-bit ADC provides up to 12 channels of high-resolution analogue conversion, allowing direct sensor interfacing without an external converter, while the 8-bit DAC supports programmable reference voltages or waveform generation.
Architecturally the PIC16LF1782 uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, hardware multiplier, and a C-compiler-friendly design. The LF (low-voltage/F-version) suffix indicates operation from 2.0 V to 3.6 V (suitable for 2.5 V and 3.3 V rails), and the 32 MHz internal oscillator eliminates an external crystal in many designs, reducing BOM cost and PCB area.
Typical applications include portable consumer electronics, IoT sensor nodes, low-power wireless nodes, LED lighting controllers, and battery management front-ends. The combination of on-board ADC, DAC, and PWM makes the device a single-chip solution for closed-loop analogue and mixed-signal control without requiring an external signal-chain IC.
When designing with this part, place decoupling capacitors (100 nF plus 1-10 uF bulk) close to the VDD/VSS pairs and use the exposed pad to provide both thermal relief and a low-inductance ground return. The 28-VQFN package requires careful PCB layout to ensure the exposed pad is soldered to a sufficiently large copper area for thermal dissipation.
This page synthesises distributor pricing, drop-in package-compatible alternatives, and practical design notes for the PIC16LF1782T-I/ML that go beyond the manufacturer datasheet, including site-internal links to pin-compatible variants in the PIC16LF family.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1782T-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 PIC16LF1782T-I/ML (cùng hình factor và footprint) — khác nhau ở ADC, DAC, Package, Operating Temperature, Program Memory (Flash).
PIC16LF1782-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1782T-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1783T-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1769-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1718-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1782T-I/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC enhanced mid-range |
| Family | PIC16F Series, PIC® XLP™ 16F |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| RAM | 256 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage (LF) | 2.0 V to 3.6 V |
| Nominal Supply | 3.3 V |
| ADC | 12-bit (per Hotenda product listing) |
| DAC | 8-bit (per Mouser equivalent listing) |
| Hộp | 28-pin VQFN (ML) with exposed pad, 6x6 mm |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, "I") |
| Trạng thái RoHS | Compliant (per ET/EETI/Vyrian listings) |
Cấu hình chân PIC16LF1782T-I/ML
| Chân 1 | RA2/AN2 — Port A bit 2 / ADC input channel 2 |
| Chân 2 | RA3/AN3/VREF+ — Port A bit 3 / ADC input / positive voltage reference |
| Chân 3 | RA4/AN4 — Port A bit 4 / ADC input channel 4 |
| Chân 4 | RA5/AN5 — Port A bit 5 / ADC input channel 5 |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RA7/OSC1 — Port A bit 7 / crystal oscillator input |
| Chân 7 | RA6/OSC2 — Port A bit 6 / crystal oscillator output |
| Chân 8 | RC0 — Port C bit 0 |
| Chân 9 | RC1 — Port C bit 1 |
| Chân 10 | RC2 — Port C bit 2 |
| Chân 11 | RC3 — Port C bit 3 / I2C SCL |
| Chân 12 | RC4 — Port C bit 4 / I2C SDA |
| Chân 13 | RC5 — Port C bit 5 |
| Chân 14 | RC6/TX/CK — Port C bit 6 / USART TX / clock line |
| Chân 15 | RC7/RX/DT — Port C bit 7 / USART RX / data line |
| Chân 16 | RB0/AN12/INT — Port B bit 0 / ADC input / external interrupt |
| Chân 17 | RB1/AN10 — Port B bit 1 / ADC input channel 10 |
| Chân 18 | RB2/AN8 — Port B bit 2 / ADC input channel 8 |
| Chân 19 | RB3/AN9 — Port B bit 3 / ADC input channel 9 |
| Chân 20 | RB4/AN11 — Port B bit 4 / ADC input channel 11 |
| Chân 21 | RB5/AN13 — Port B bit 5 / ADC input channel 13 |
| Chân 22 | RB6/PGC — Port B bit 6 / ICSP clock |
| Chân 23 | RB7/PGD — Port B bit 7 / ICSP data |
| Chân 24 | VDD — Positive supply (2.0 V to 3.6 V for LF variant) |
| Chân 25 | RA0/AN0 — Port A bit 0 / ADC input channel 0 |
| Chân 26 | RA1/AN1 — Port A bit 1 / ADC input channel 1 |
| Chân 27 | VDDCORE — Internal regulator output (decouple to VSS) |
| Chân 28 | EP — Exposed thermal pad - connect to VSS |
Ứng dụng tiêu biểu
PIC16LF1782T-I/ML phù hợp cho 6 Áp dụngs: IoT Sensor Node Controller, Portable Consumer Electronics, LED Lighting Controller, Battery Management Front-End, Industrial Sensor Transmitter, Home Appliance User Interface.
IoT Sensor Node Controller
The PIC16LF1782T-I/ML fits IoT sensor nodes through three integrated features: a 12-bit ADC for direct sensor signal conditioning, an 8-bit DAC for programmable references or actuator drive, and XLP nanoWatt sleep modes that drop quiescent current to sub-microamp levels. With 256 B SRAM, 3.5 KB Flash, and a 32 MHz enhanced mid-range core, it handles local decision-making, simple protocol stacks (Modbus RTU slave, I2C/SPI bridging), and event-driven duty cycling. The 2.0-3.6 V LF supply range supports direct connection to a single Li-ion, two AA cells, or a 3.3 V regulated rail without an extra LDO.
Được đề xuất
Portable Consumer Electronics
The PIC16LF1782T-I/ML fits portable consumer electronics because its 32 MHz enhanced mid-range core delivers responsive user-interface handling and PWM generation for motor/LED control, while the 2.0-3.6 V LF range pairs directly with Li-ion or Li-Po cells. The 12-bit ADC reads battery voltage, button matrices, and capacitive-touch front-ends; the 8-bit DAC drives audio click or haptic waveforms. XLP sleep modes extend battery life between user interactions. At 6 x 6 mm in VQFN (ML), the part occupies minimal board area, freeing PCB real estate for the wireless SoC and power-management IC.
Được đề xuất
LED Lighting Controller
The PIC16LF1782T-I/ML fits LED lighting controllers because its multiple PWM modules, 12-bit ADC for ambient-light sensing and colour-mixing closed loops, and 8-bit DAC for reference-current setting provide a single-chip solution. The 32 MHz core generates smooth PWM dimming at frequencies above the audible band (>20 kHz), eliminating coil whine. The 2.0-3.6 V LF supply runs directly from 3.3 V regulated LED-driver rails, while 256 B SRAM stores fade patterns and 3.5 KB Flash holds dimming curves. XLP sleep drops the standby current below 1 uA when lighting is off.
Được đề xuất
Battery Management Front-End
The PIC16LF1782T-I/ML fits battery management front-ends because its 12-bit ADC monitors cell voltage and current shunt with high resolution, while its 8-bit DAC drives the reference for a separate coulomb-counter or charger IC. XLP sleep current (sub-uA) preserves battery charge when the system is idle. The 2.0-3.6 V supply is ideal for single-cell Li-ion/2x AA chemistries, and the industrial -40C to +85C range covers outdoor BMS deployments. The 28-pin VQFN (ML) 6x6 mm package fits compact BMS boards for power tools, e-bikes, and small UPS modules.
Được đề xuất
Industrial Sensor Transmitter
The PIC16LF1782T-I/ML fits 4-20 mA industrial sensor transmitters because its 12-bit ADC digitises bridge/thermocouple inputs with sufficient resolution for process-control loops, while the 8-bit DAC calibrates the loop current to <0.1% FS. The 32 MHz core executes linearisation and PID control with sub-millisecond loop times. The industrial -40C to +85C temperature range handles outdoor cabinet and field-mount installations, and XLP nanoWatt sleep supports loop-powered (2-wire) 4-20 mA transmitters running from <4 mA quiescent current. The 28-pin VQFN (ML) allows compact head-mount form factors.
Được đề xuất
Home Appliance User Interface
The PIC16LF1782T-I/ML fits home appliance user-interface modules because its 32 MHz core drives segmented LCDs, button matrices, and rotary encoders with deterministic interrupt response, while the 12-bit ADC reads knob positions and touch-pad capacitance directly. XLP sleep drops standby to <1 uA, meeting energy-star idle targets for white goods. The 2.0-3.6 V LF range is compatible with 3.3 V appliance rails, and the 3.5 KB Flash stores multi-language UI strings. The 28-pin VQFN (ML) 6x6 mm package allows drop-in replacement of legacy 8-bit MCUs in compact appliance-control boards.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1782T-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 | PIC16LF1782-I/ML | PIC16F1782T-I/ML | PIC16F1783T-I/ML | PIC16LF1769-I/ML | PIC16LF1718-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin VQFN (ML) 6x6 mm | 28-pin VQFN (ML) 6x6 mm | 28-pin VQFN (ML) 6x6 mm | 28-pin VQFN (ML) 6x6 mm | 28-pin VQFN (ML) 6x6 mm | 28-pin VQFN (ML) 6x6 mm |
| Flash | 3.5 KB | 3.5 KB | 3.5 KB | 7 KB (+100%) | 8 KB (+128%) | 7 KB (+100%) |
| RAM | 256 B | 256 B | 256 B | 512 B (+100%) | 1 KB (+300%) | 1 KB (+300%) |
| Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 5.5 V (+53% VIN) | 2.0 V to 5.5 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Max CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 10-bit (-2 bits) | 10-bit (-2 bits) |
| DAC | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit | 8-bit |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- Integrated 12-bit ADC plus 8-bit DAC in a single MCU (vsPIC16LF1769-I/ML)
- XLP nanoWatt sleep capability for sub-uA standby (vsPIC16F1782T-I/ML)
- Memory upgrade path within the same footprint (vsPIC16F1783T-I/ML)
Ghi chú thiết kế
Estimated: The 28-pin VQFN (ML) 6x6 mm package has an exposed thermal pad (EP) that must be soldered to a PCB copper pour for thermal relief and a low-inductance ground return. A minimum 4 x 4 mm copper pour on a 1 oz copper 4-layer board yields approximately theta_JA = 30 C/W. For PIC16LF1782T-I/ML running at 32 MHz with XLP active, typical power dissipation is below 20 mW, so the part does not require a dedicated heatsink - only the EP solder joint and PCB copper pour. Skip the EP connection only after validating thermal performance in worst-case conditions.
Place a 100 nF (0.1 uF) ceramic decoupling capacitor as close as possible to each VDD/VSS pair, plus a 1 uF to 10 uF bulk capacitor at the supply pin. For designs using the internal 32 MHz oscillator, route the VSS trace as a star ground directly to the EP copper pour to minimise switching noise on the analogue ADC inputs. Keep the ICSP pins (RB6/PGC and RB7/PGD) accessible for in-circuit programming and debugging, and reserve a 6-pin ICSP header footprint for production programming.
Do not exceed 3.6 V on the LF variant (PIC16LF1782T-I/ML). For 5 V supplies, choose the non-LF PIC16F1782T-I/ML or PIC16F1783T-I/ML. The VDDCORE pin (pin 27 on the VQFN) requires a decoupling capacitor (typically 100 nF) tied to VSS - omitting it can cause core instability under high MIPS loads. The exposed pad (EP) must be soldered to VSS for both electrical and thermal reasons; an unsoldered EP can cause erratic ADC readings and code-execution failures.
Estimated: When using the 12-bit ADC at full 32 MHz core clock, switch to a slower ADC clock or use the ADC dedicated RC oscillator to avoid -3 dB of effective resolution from digital switching noise coupling into the analogue inputs. Add a 100 nF bypass capacitor on each AVSS/AVDD pair if separate analogue pins are bonded out, and route ADC traces perpendicular to high-current switching traces. For low-current sensor measurements (sub-uA sources), buffer the source with an op-amp to prevent ADC input leakage from biasing the reading.
Thông tin tuân thủ
RoHS compliant per Microchip product page and multiple distributor listings (Veswin, ET/EETI, Vyrian). REACH SVHC declaration and halogen-free status are available on request from Microchip. Not AEC-Q100 qualified - choose a 'F'-suffix AEC-Q100 part (not in this family) for automotive applications.
