PIC16F1782T-I/ML - 8-Bit XLP MCU 32MHz 3.5KB Flash | Microchip
MPN: PIC16F1782T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.45 | $2.45 |
| 10 | $2.2 | $22.00 |
| 100 | $1.95 | $195.00 |
| 500 | $1.74 | $870.00 |
| 1,000 | $1.55 | $1,550.00 |
PIC16F1782T-I/ML Overview
An 8-bit microcontroller (MCU) is a compact processor that combines a CPU, RAM, program memory, and a rich set of peripherals on a single silicon die. PIC microcontrollers sit in the broader taxonomy of microcontroller -> embedded processor -> semiconductor IC, and the XLP variants are specifically engineered for ultra-low-power battery-powered or energy-harvesting designs where quiescent current directly determines product runtime.
Key differentiating features of the PIC16F1782 include the integrated op-amp that saves an external analog component, the PSMC that simplifies digital power-converter loops, the 12-bit differential ADC with computation, and the 8-bit DAC that is unusual at this price point. The 28-pin QFN footprint (6 x 6 mm) provides a compact land pattern while exposing up to 17 I/O pins, and the XLP architecture typically delivers nanoWatt sleep currents suitable for battery-backed IoT nodes.
Technically, the device uses a 14-bit instruction word RISC core, runs from 2.5 V to 5.5 V supply, and supports in-circuit serial programming (ICSP) plus on-chip debug. The internal 32 MHz oscillator removes the need for an external crystal in many designs. The integrated peripherals map to flexible pin assignments via Peripheral Pin Select (PPS), which dramatically simplifies PCB routing when multiple serial interfaces are required.
Typical applications include low-power IoT sensor nodes, battery-backed measurement instruments, LED lighting controllers that benefit from the on-chip PSMC and op-amp, white-goods and small-motor control using the CCP module, and portable consumer devices that take advantage of the small QFN package. The "-I/" temperature grade supports an industrial range of -40 C to +85 C.
When designing with this part, remember that the QFN exposed pad must be soldered to the ground plane for thermal dissipation and electrical performance. Use the MPLAB X IDE and PICkit 5 programmer for development, and check the device errata document before committing to a final PCB revision.
This page consolidates distributor pricing, drop-in same-package alternatives from Microchip's PIC16 family, and practical design notes that are not assembled in the manufacturer datasheet alone.
Drop-in alternatives for PIC16F1782T-I/ML — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F1782T-I/ML (same form factor and footprint) — differing in ADC, DAC, Operating Temperature, Package, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1782-I/ML
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.78 / Unit
View Datasheet →PIC16F1783T-I/ML
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1778T-I/ML
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1768T-I/ML
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.08 / Unit
View Datasheet →PIC16F1764T-I/ML
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$0.58 / Unit
View Datasheet →PIC16F1615T-I/ML
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1782T-I/ML Maximum Ratings & Electrical Characteristics
| Manufacturer | Microchip Technology |
| Series | PIC XLP 16F |
| Core | 8-bit PIC RISC, 14-bit instruction word |
| Core Size | 8-Bit |
| Maximum CPU Frequency | 32 MHz |
| Program Memory Size | 3.5 KB (2K x 14) Flash |
| RAM Size | 256 bytes |
| EEPROM Size | 256 bytes |
| Supply Voltage (Vdd) | 2.5 V to 5.5 V |
| ADC | 12-bit, multi-channel |
| DAC | 8-bit, on-chip |
| Number of I/O Pins | Up to 17 (data: 12 listed as I/O Ports on some sources) |
| Operating Temperature | -40 C to +85 C (Industrial, -I suffix) |
| Package | 28-QFN (6x6 mm) |
| Mounting Type | Surface Mount |
| Connectivity | I2C, SPI, EUSART (RS-232/RS-485) |
| Peripherals | Brown-out Detect, POR, PWM, WDT, op-amp, PSMC, comparators, CCP |
| Programmer Support | MPLAB X IDE, PICkit 5, ICSP |
| RoHS Status | Compliant |
PIC16F1782T-I/ML Pin Configuration
| Pin 1 | RA5 — GPIO / analog input |
| Pin 2 | RA4 — GPIO / analog input |
| Pin 3 | RA3 — GPIO / analog input / MCLR |
| Pin 4 | RA2 — GPIO / analog input |
| Pin 5 | RA1 — GPIO / analog input / OPA1IN- |
| Pin 6 | RA0 — GPIO / analog input / OPA1IN+ |
| Pin 7 | VSS — Ground |
| Pin 8 | VDD — Positive supply voltage |
| Pin 9 | RB7 — GPIO / ICSPDAT |
| Pin 10 | RB6 — GPIO / ICSPCLK |
| Pin 11 | RB5 — GPIO |
| Pin 12 | RB4 — GPIO |
| Pin 13 | RB3 — GPIO |
| Pin 14 | RB2 — GPIO |
| Pin 15 | RB1 — GPIO |
| Pin 16 | RB0 — GPIO |
| Pin 17 | VSS — Ground |
| Pin 18 | VDD — Positive supply voltage |
| Pin 19 | RC7 — GPIO / EUSART RX |
| Pin 20 | RC6 — GPIO / EUSART TX |
| Pin 21 | RC5 — GPIO |
| Pin 22 | RC4 — GPIO |
| Pin 23 | RC3 — GPIO / SCL |
| Pin 24 | RC2 — GPIO / SDA |
| Pin 25 | RC1 — GPIO / OPA1OUT |
| Pin 26 | RC0 — GPIO |
| Pin 27 | VSS — Ground |
| Pin 28 | VDD — Positive supply voltage |
| Pin EP | EP — Exposed thermal pad - tie to VSS |
Typical Applications
PIC16F1782T-I/ML is suitable for 6 applications: Battery-Powered IoT Sensor Node, LED Lighting Controller / Driver, Small Motor and Fan Control, Portable Medical / Health Wearable, Industrial Sensor Transmitter (4-20 mA), Automotive Body and Comfort Module.
Battery-Powered IoT Sensor Node
The PIC16F1782T-I/ML fits IoT sensor nodes because its XLP architecture delivers nanoWatt sleep currents that extend coin-cell runtime, while the 3.5 KB Flash is enough to host a sensor read loop plus a small wireless protocol stack. The 12-bit ADC with computation handles ratiometric measurements on thermistor or battery-voltage sense inputs without an external ADC, and the on-chip 8-bit DAC can drive a bias reference for an external sensor bridge. With 17 I/O pins plus I2C/SPI/EUSART, the device can host a sensor plus a low-power radio like the RN2483 LoRa module; the integrated EUSART handles UART command links while the I2C bus manages an external accelerometer or environmental sensor.
Recommended
LED Lighting Controller / Driver
The PIC16F1782T-I/ML is well-suited to LED lighting control because its integrated PSMC (programmable switch-mode controller) and op-amp enable digital current-mode control of a buck or boost LED driver without an external PWM controller IC. The on-chip 12-bit ADC monitors the LED current-sense resistor for closed-loop regulation, while the 8-bit DAC sets the dimming reference. With 32 MIPS performance and up to 17 I/O pins, the device can drive multiple LED channels with individual PWM dimming. According to the PIC16F1782 datasheet, the wide 2.5-5.5 V supply accepts any LED fixture input from a single Li-ion cell or a 5 V USB rail.
Recommended
Small Motor and Fan Control
The PIC16F1782T-I/ML fits small DC motor and BLDC fan control because its CCP (capture/compare/PWM) module and the enhanced PWM with PSMC provide the precise timing needed for commutation and current shaping. The 32 MHz core gives 8 MIPS, enough for sensorless back-EMF zero-cross detection or for a small PID speed-control loop. The integrated op-amp can amplify a low-side shunt signal for current limiting without an external analog front end, while the 12-bit ADC digitizes the sense voltage with adequate resolution for soft-start profiles. Industrial temperature grade (-40 C to +85 C) supports under-hood automotive and white-goods environments.
Recommended
Portable Medical / Health Wearable
The PIC16F1782T-I/ML suits compact wearable health devices thanks to the XLP nanoWatt sleep current that minimizes battery drain between measurements. The 12-bit ADC plus on-chip op-amp reads a photoplethysmography (PPG) sensor or ECG front-end with enough resolution for heart-rate trending, and the 8-bit DAC provides bias for the analog signal chain. With 17 GPIO and I2C/SPI, the MCU can also drive a small OLED display and a Bluetooth Low Energy module. The 28-QFN 6x6 mm footprint keeps the PCB small enough for a wristband form factor.
Recommended
Industrial Sensor Transmitter (4-20 mA)
The PIC16F1782T-I/ML fits loop-powered 4-20 mA sensor transmitters because its 2.5 V minimum supply accommodates low loop voltages, and the on-chip 12-bit ADC with computation handles linearization and temperature compensation of bridge or thermocouple inputs. The EUSART provides an optional HART modem interface for bidirectional digital communication over the same loop. With 3.5 KB Flash, the device has room for sensor calibration tables and HART protocol handling. The industrial -40 C to +85 C temperature grade and QFN package suit harsh industrial enclosures.
Recommended
Automotive Body and Comfort Module
Although the PIC16F1782T-I/ML is the industrial-grade variant, the same chip architecture is widely deployed for non-safety automotive body modules like seat controllers, ambient lighting, and HVAC blend-door actuators where 12-bit ADC accuracy and PSMC flexibility matter. The wide 2.5-5.5 V input tolerates a vehicle's 12 V rail after a small pre-regulator. The CCP/PWM module plus on-chip op-amp drive small DC motors for seat-position actuators, while LIN-bus communication is handled via the EUSART plus a small external transceiver. The QFN package provides a low-profile footprint for compact PCB integration behind interior trim panels.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1782T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1782-I/ML | PIC16F1783T-I/ML | PIC16F1778T-I/ML | PIC16F1768T-I/ML | PIC16F1764T-I/ML | PIC16F1615T-I/ML |
|---|---|---|---|---|---|---|---|
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Max Frequency | 8-bit PIC RISC, 32 MHz (8 MIPS) | 8-bit PIC RISC, 32 MHz | 8-bit PIC RISC, 32 MHz | 8-bit PIC RISC, 32 MHz | 8-bit PIC RISC, 32 MHz | 8-bit PIC RISC, 32 MHz | 8-bit PIC RISC, 32 MHz |
| Flash Program Memory | 3.5 KB (2K x 14) | 3.5 KB | 7 KB (2x) | 7 KB | 7 KB | 7 KB | 7 KB |
| RAM | 256 B | 256 B | 512 B | 512 B | 512 B | 512 B | 512 B |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 10-bit | 10-bit |
| On-Chip Op-Amp Count | 1 | 1 | 1 | 3 | 1 | 1 | 0 |
| Supply Voltage | 2.5 V to 5.5 V | 2.5-5.5 V | 2.5-5.5 V | 2.5-5.5 V | 2.5-5.5 V | 2.5-5.5 V | 2.3-5.5 V |
| Unit Price (qty 1, USD, as of 2026-09-20) | 2.45 | 2.40 | 2.65 | 2.75 | 2.55 | 2.30 | 2.10 |
Key Differentiators
- On-chip op-amp + PSMC + 12-bit ADC in 28-QFN (vs PIC16F1615T-I/ML)
- Lower cost than PIC16F1783T-I/ML in same package (vs PIC16F1783T-I/ML)
- More op-amps and DACs than PIC16F1768 family (vs PIC16F1768T-I/ML)
Design Notes
The 28-QFN package exposes a thermal pad (EP) that MUST be soldered to a copper ground plane on the PCB to meet the datasheet's thermal resistance specification. According to Microchip's QFN PCB guidelines, the EP should be connected via at least 5 thermal vias (0.3 mm drill) to an internal ground plane. Without proper EP soldering, junction temperature can rise 20-30 C above ambient at the MCU's typical 5-10 mA active current, shortening device life in enclosed industrial enclosures.
Place a 0.1 uF ceramic decoupling capacitor within 3 mm of each VDD pin (28-QFN has 4 VDD pins total) plus a 10 uF bulk capacitor on the supply rail. Keep the ICSP programming lines (RB6/ICSPCLK and RB7/ICSPDAT) accessible on test points or a 2x3 header so that MPLAB X IDE plus PICkit 5 can program/debug the device post-assembly. Per Microchip's QFN PCB layout application note, all signal traces should be routed out of the QFN on the top layer only to avoid via-induced inductance.
The PIC16F1782 XLP architecture delivers typical sleep currents below 100 nA with proper configuration (Sleep mode, peripherals off, watchdog disabled). Estimated sleep current at 3.3 V with RTCC enabled is approximately 800 nA based on the XLP family datasheet. To achieve these numbers, configure all unused peripherals to off via the PMD registers and avoid floating analog inputs that can leak current through the analog multiplexer.
Do not leave the MCLR/RA3 pin floating - it must be tied to VDD through a 10 kohm resistor or driven by the ICSP programmer; a floating MCLR can cause random resets in noisy environments. According to the PIC16F1782 datasheet, the configuration word must set the LVP bit appropriately if low-voltage ICSP is used, otherwise the RB5/PGM pin must be pulled low. Failure to set the correct configuration words is the most common reason for an apparently 'dead' PIC after first programming.
Compliance Information
RoHS compliant per Microchip product page (lead-free finish). Industrial temperature grade (-40 to +85 C). Not AEC-Q100 qualified - choose PIC16F1782-E/ML or automotive-grade PIC16F1xxx -Q1 variants for automotive safety applications.
