PIC16LF1783-I/ML - 8-Bit 32MHz MCU, 7KB Flash, 28-QFN | Microchip
MPN: PIC16LF1783-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.55 | $25.50 |
| 100 | $2.18 | $218.00 |
| 500 | $1.79 | $895.00 |
| 1,000 | $1.55 | $1,550.00 |
PIC16LF1783-I/ML Overview
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path. In the system hierarchy, it sits inside the broader microcontroller family, which itself belongs to the embedded computing, embedded systems, and finally the semiconductor taxonomy. The "16F" prefix denotes Flash-based program memory with the PIC16 mid-range core; the "LF" suffix marks the low-voltage (1.8V-3.6V) F-variant family. PIC16F devices are widely used for cost-sensitive, low-power, deterministic control in commercial, industrial, and consumer embedded designs.
Key features include 512 bytes of SRAM, 256 bytes of EEPROM, a configurable op-amp, an 8-bit DAC, a 12-bit ADC with up to 11 channels, PSMC peripheral, peripheral pin select (PPS), and XLP eXtreme Low-Power technology that enables nanoWatt sleep currents. The integrated op-amp and DAC remove the need for external analog signal conditioning, while PSMC provides flexible switching waveforms for LED drivers, battery chargers, or small synchronous buck converters.
The PIC16LF1783-I/ML uses a Harvard-architecture RISC core with 49 instructions and 16-level hardware stack, achieving 200 ns instruction execution at 20MHz (and faster at 32MHz). On-chip peripherals include multiple timers, CCP, EUSART, I2C/SPI, comparators, and a 32 kHz WDT/secondary oscillator for low-power timer operation.
Typical applications include sensor signal conditioning with on-chip op-amp, LED lighting drivers using PSMC, battery-powered IoT edge nodes that exploit XLP nanoWatt sleep modes, low-cost motor control loops, and industrial analog front-ends where the 12-bit ADC and 8-bit DAC eliminate external converters.
When designing, choose the LF sub-family when the supply rail is 1.8V-3.6V (e.g. single-cell Li-ion or 2xAA); use the F variant (PIC16F1783) when a 5V-tolerant or wider input range is needed. Note the I/ML suffix: "I" denotes industrial -40C to +85C and "ML" denotes the 28-pin QFN-EP package on tube/tray.
This page synthesizes distributor stock, drop-in same-package alternatives, application-specific design guidance, and pricing not available on a single manufacturer or distributor page.
Drop-in alternatives for PIC16LF1783-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 PIC16LF1783-I/ML (same form factor and footprint) — differing in Package, Communication, Comparators, Operating Temperature, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1783-E/ML
✅ Drop-In✓ In Stock
$1.92 / Unit
View Datasheet →PIC16LF1782-I/ML
✅ Drop-In✓ In Stock
$1.24 / Unit
View Datasheet →PIC16LF1783-I/MV
✅ Drop-In✓ In Stock
$1.21 / Unit
View Datasheet →PIC16F1783-I/ML
✅ Drop-In✓ In Stock
$1.78 / Unit
View Datasheet →PIC16LF1782-E/ML
✅ Drop-In✓ In Stock
$1.18 / Unit
View Datasheet →PIC16LF1783-I/ML Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit RISC, enhanced mid-range |
| Maximum CPU Frequency | 32 MHz |
| Instruction Execution | 200 ns (at 20 MHz), 125 ns (at 32 MHz) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data Memory (SRAM) | 512 bytes |
| EEPROM | 256 bytes |
| ADC | 12-bit, up to 11 channels |
| DAC | 8-bit, 1 channel |
| Op-Amps | Configurable on-chip, 2 (per family datasheet) |
| PSMC | Yes (Power Switched-Mode Controller peripheral) |
| Comparators | Yes (with selectable reference) |
| Timers | Multiple 8/16-bit (per family datasheet) |
| Communication | EUSART, I2C, SPI |
| Operating Voltage (LF) | 1.8 V to 3.6 V |
| Package | 28-pin QFN (6 x 6 mm) with exposed pad |
| Temperature Grade | Industrial, -40C to +85C |
| I/O Pins | Up to 25 (per family datasheet) |
| Low-Power Technology | XLP nanoWatt |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
PIC16LF1783-I/ML Pin Configuration
| Pin 1 | RA5 — Bidirectional I/O / analog input |
| Pin 2 | RA4 — Bidirectional I/O / analog input |
| Pin 3 | RA3 — Bidirectional I/O / analog input / VREF+ |
| Pin 4 | RC5 — Bidirectional I/O |
| Pin 5 | RC4 — Bidirectional I/O |
| Pin 6 | RC3 — Bidirectional I/O |
| Pin 7 | RC2 — Bidirectional I/O |
| Pin 8 | RC1 — Bidirectional I/O / OPA1IN+ |
| Pin 9 | RC0 — Bidirectional I/O |
| Pin 10 | RA2 — Bidirectional I/O / analog input |
| Pin 11 | RA1 — Bidirectional I/O / analog input / OPA2IN- |
| Pin 12 | RA0 — Bidirectional I/O / analog input |
| Pin 13 | VSS — Ground reference |
| Pin 14 | RA7 — Bidirectional I/O / OSC1 |
| Pin 15 | RA6 — Bidirectional I/O / OSC2 |
| Pin 16 | RC6 — Bidirectional I/O / TX/CK |
| Pin 17 | RC7 — Bidirectional I/O / RX/DT |
| Pin 18 | RB7 — Bidirectional I/O / ICD |
| Pin 19 | RB6 — Bidirectional I/O / ICSPCLK |
| Pin 20 | RB5 — Bidirectional I/O / AN |
| Pin 21 | RB4 — Bidirectional I/O / AN |
| Pin 22 | RB3 — Bidirectional I/O / AN |
| Pin 23 | RB2 — Bidirectional I/O / AN |
| Pin 24 | RB1 — Bidirectional I/O / AN |
| Pin 25 | RB0 — Bidirectional I/O / AN / interrupt-on-change |
| Pin 26 | VDD — Positive supply (1.8V-3.6V) |
| Pin 27 | RA3 — Bidirectional I/O / VREF+ |
| Pin 28 | EP — Exposed thermal pad (must be soldered to VSS for thermal dissipation) |
Typical Applications
PIC16LF1783-I/ML is suitable for 6 applications: Battery-Powered IoT Sensor Node, Industrial Analog Front End, LED Lighting Driver, Small Motor Control Loop, Portable Medical / Health Device, Consumer Appliance Control Board.
Battery-Powered IoT Sensor Node
The PIC16LF1783-I/ML is ideal for battery-powered IoT sensor nodes thanks to its XLP nanoWatt technology and 1.8V-3.6V operating range. Its 12-bit ADC with up to 11 channels can directly digitize thermistor, photocell, or MEMS sensor outputs without an external ADC. The on-chip configurable op-amp enables on-board signal conditioning for low-amplitude analog sensors. The 32 kHz low-power oscillator plus deep-sleep mode achieves sub-uA average current draw, enabling multi-year battery life on a 2xAA cell. Use the EUSART/SPI/I2C peripherals for radio or sensor hub interface.
Recommended
Industrial Analog Front End
The PIC16LF1783-I/ML shines in industrial analog front-end modules where its integrated 12-bit ADC, 8-bit DAC, and configurable op-amp eliminate external analog ICs. The on-chip op-amp can be configured as a transimpedance amplifier for photodiode current measurement, while the DAC drives excitation signals for bridge sensors. Industrial -40C to +85C operation supports factory floor deployment. PPS (peripheral pin select) gives flexible PCB routing for tightly packed analog/digital boards, reducing PCB area and BOM cost in PLC and process-control modules.
Recommended
LED Lighting Driver
The PIC16LF1783-I/ML drives LED lighting applications using its integrated PSMC (Power Switched-Mode Controller) peripheral, which provides programmable dead-time, PWM frequency, and fault handling for buck/boost/buck-boost topologies. The 32 MHz CPU closes a fast digital control loop for dimming and color-mixing while the 12-bit ADC monitors LED current and temperature. The 8-bit DAC provides analog reference for current-loop regulation. This integration removes the need for a dedicated LED controller IC and lowers BOM cost in architectural and signage lighting.
Recommended
Small Motor Control Loop
For small brushed DC, stepper, or BLDC motor control, the PIC16LF1783-I/ML provides 32 MHz CPU performance, configurable op-amps for current sensing, and PSMC for driving the FET bridge. The CCP/ECCP modules generate center-aligned PWM with programmable dead-time for safe FET switching. Closed-loop current control at 32 kHz switching frequency is achievable with the 200 ns ADC acquisition. The 28-QFN footprint fits compact motor-driver PCBs used in fans, pumps, and small appliances.
Recommended
Portable Medical / Health Device
The PIC16LF1783-I/ML suits portable medical peripherals like glucose meters, pulse oximeters, and digital thermometers where its 12-bit ADC digitizes analog sensor outputs, the op-amp conditions the photodiode signal, and XLP nanoWatt sleep modes extend battery life. The 7 KB Flash fits BLE/USB control firmware stacks for OTC medical accessories. Industrial -40C to +85C operation handles consumer clinical environments. RoHS-compliant and lead-free per Microchip product specifications.
Recommended
Consumer Appliance Control Board
The PIC16LF1783-I/ML is a strong fit for consumer appliance control boards (rice cookers, coffee machines, air purifiers) where its PSMC peripheral drives small FETs for heating elements and motors, the 12-bit ADC reads temperature sensors, and the 32 MHz core runs user-interface state machines. The 7 KB Flash holds graphical LCD menu logic, and the 256-byte EEPROM stores user preferences. The 28-QFN package is cost-effective for mass-produced consumer SKUs where every BOM cent matters.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1783-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1783-E/ML | PIC16LF1782-I/ML | PIC16LF1783-I/MV | PIC16F1783-I/ML | PIC16LF1782-E/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6) | 28-QFN (6x6) - same | 28-QFN (6x6) - same | 28-QFN (6x6) MV - same footprint | 28-QFN (6x6) - same | 28-QFN (6x6) - same |
| Program Memory (Flash) | 7 KB | 7 KB | 3.5 KB | 7 KB | 7 KB | 3.5 KB |
| Maximum CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) | 1.8V to 3.6V (LF) | 1.8V to 5.5V (F, wider) | 1.8V to 3.6V (LF) |
| Temperature Grade | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C |
| PSMC Peripheral | Yes | Yes | Limited (trimmed) | Yes | Yes | Limited (trimmed) |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
Key Differentiators
- Higher Flash density within the same package (vs PIC16LF1782-I/ML)
- Wider temperature grade at the cost of voltage range (vs PIC16F1783-I/ML)
- Extended temperature variant available (vs PIC16LF1783-E/ML)
Design Notes
The 28-QFN package's exposed thermal pad (pin 28, EP) must be soldered to a copper pour on the PCB, ideally with thermal vias to an internal ground plane. For designs running at 32 MHz full speed with all peripherals active, expect about 10-15 mW dissipation; XLP sleep modes reduce this to uW. The exposed pad serves as the primary heat path - do not leave it floating. Estimated: at VDD=3.3V, IDD_typ=4 mA at 32 MHz -> P=13.2 mW, well within free-air ratings for a properly soldered QFN.
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 26), with a 10 uF bulk capacitor on the same net near the MCU. The QFN land pattern requires the EP pad with at least 0.5 mm copper clearance to adjacent traces. For ADC accuracy, route analog signals away from the high-frequency digital paths and use a guarded analog ground plane. PPS (peripheral pin select) lets you re-route peripherals to cleaner PCB locations, but always verify the assigned pin supports the required analog/digital features.
Do not exceed 3.6V on VDD or any I/O pin on the LF variant; the F variant (PIC16F1783-I/ML) supports up to 5.5V. When using the on-chip op-amp as a transimpedance amplifier, add a feedback capacitor (typically 10-100 pF) for stability - the datasheet's op-amp configuration section shows compensation values. When migrating from PIC16LF1782 to PIC16LF1783, verify that PSMC code paths exist; the 1782 has a trimmed feature set. Per datasheet, all pins have interrupt-on-change capability but the IOC behavior must be reconfigured after PPS remap.
Compliance Information
RoHS and lead-free confirmed per Microchip product page. Not AEC-Q100 qualified - for automotive AEC-Q100 applications, use PIC16F1783-E/ML or a designated Q100 variant.
