PIC16LF1828T-I/ML - 8-bit XLP MCU 32MHz 7KB Flash | Microchip
MPN: PIC16LF1828T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.65 | $1.65 |
| 10 | $1.48 | $14.80 |
| 100 | $1.32 | $132.00 |
| 500 | $1.18 | $590.00 |
| 1,000 | $1.05 | $1,050.00 |
PIC16LF1828T-I/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), EEPROM, and a rich set of peripherals on one die. Within the taxonomy, PIC16LF1828 sits at microcontroller -> 8-bit MCU -> enhanced mid-range MCU -> PIC16 family -> nanoWatt XLP low-power MCU. It belongs to the broader semiconductor / integrated-circuit hierarchy and is used wherever deterministic real-time control, ultra-low standby power, or capacitive-touch sensing is required.
Key differentiating features include 12 channels of 10-bit ADC, a 5-bit DAC, mTouch capacitive-touch hardware, nanoWatt XLP technology with claimed standby currents in the tens of nanoamperes, an integrated 32 MHz internal oscillator, and on-chip debugging via PICkit™ / MPLAB® ICD. The 20-QFN package is the smallest footprint variant of the family and includes an exposed thermal pad for improved power dissipation.
The architecture combines a RISC-style PIC16 enhanced core (200 ns instruction execution), an 8-level hardware stack, and peripherals such as enhanced USART, MSSP (SPI/I²C), timer/counters with PWM, comparators, and a fixed-voltage reference (FVR). The XLP technology allows battery-powered designs to extend operating life by spending most of their time in sleep with peripherals waking the CPU on demand.
Typical applications include capacitive touch key pads in consumer appliances, low-power sensor nodes with battery or energy harvesting, IoT edge nodes (BLE / LoRa companion designs), small appliances and white goods with touch interfaces, handheld medical or fitness devices, and automotive interior accessory modules where the LF variant's wider voltage tolerance is valuable.
When designing with this part, ensure the exposed pad of the QFN is soldered to a sufficient copper pour to meet thermal and electrical performance, and verify the chosen programmer (PICkit 3 / MPLAB ICD 3 / PICkit 4) supports the LF voltage range. Use the AC244043 / AC244044 debug-header accessories only if you are not relying on the ICSP pins.
This page synthesizes distributor pricing, drop-in same-brand and cross-brand alternatives, pinout, and practical design notes that are not assembled in any single manufacturer datasheet.
Drop-in alternatives for PIC16LF1828T-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 PIC16LF1828T-I/ML (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Timers, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1828-I/ML
✅ Drop-In✓ In Stock
$2.05 / Unit
View Datasheet →PIC16LF1828-I/P
✅ Drop-In✓ In Stock
$1.15 / Unit
View Datasheet →PIC16LF1824-I/ML
✅ Drop-In✓ In Stock
$0.82 / Unit
View Datasheet →PIC16LF1828-I/GZ
✅ Drop-In✓ In Stock
$1.6 / Unit
View Datasheet →PIC16F1828T-I/ML
✅ Drop-In✓ In Stock
$0.97 / Unit
View Datasheet →PIC16LF1769-I/ML
✅ Drop-In✓ In Stock
$1.65 / Unit
View Datasheet →PIC16LF1828T-I/ML Maximum Ratings & Electrical Characteristics
| Series | PIC® XLP™ mTouch™ 16F (PIC16LF1828) |
| Core | PIC16 enhanced 8-bit RISC |
| Instruction Execution | 200 ns |
| CPU Speed | 32 MHz |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| SRAM | 256 bytes |
| Data EEPROM | 256 bytes |
| ADC | 12 channels x 10-bit |
| DAC | 1 x 5-bit |
| Supply Voltage | 1.8 V to 3.6 V (LF low-voltage F-variant) |
| Operating Temperature | -40 °C to +85 °C (industrial, 'I') |
| Package | 20-pin QFN (4x4 mm) with exposed pad |
| Internal Oscillator | Yes, 32 MHz |
| Touch Hardware | mTouch™ capacitive touch |
| Low-Power Tech | nanoWatt XLP™ |
| Debug Support | On-chip ICSP, PICkit 3 / MPLAB ICD 3 / PICkit 4 |
| RoHS Status | Compliant |
PIC16LF1828T-I/ML Pin Configuration
| Pin 1 | RA5 — Digital I/O / analog input / ICSPDAT |
| Pin 2 | RA0 — Digital I/O / analog input |
| Pin 3 | RA1 — Digital I/O / analog input |
| Pin 4 | RA2 — Digital I/O / analog input / DAC output |
| Pin 5 | RA3 — Digital I/O / analog input / MCLR |
| Pin 6 | RA4 — Digital I/O / analog input / T0CKI |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7 — Digital I/O / oscillator |
| Pin 9 | RA6 — Digital I/O / oscillator |
| Pin 10 | RC0 — Digital I/O / analog input / PWM |
| Pin 11 | RC1 — Digital I/O / analog input / PWM |
| Pin 12 | RC2 — Digital I/O / analog input / PWM |
| Pin 13 | RC3 — Digital I/O / analog input / PWM |
| Pin 14 | RC4 — Digital I/O / analog input / SDA |
| Pin 15 | RC5 — Digital I/O / analog input / SCL |
| Pin 16 | RC6 — Digital I/O / TX |
| Pin 17 | RC7 — Digital I/O / RX |
| Pin 18 | VDD — Positive supply (1.8 V - 3.6 V) |
| Pin 19 | VDD — Positive supply (tie to pin 18) |
| Pin 20 | VSS — Ground reference (tie to pin 7) |
Typical Applications
PIC16LF1828T-I/ML is suitable for 6 applications: Capacitive Touch User Interface, Battery-Powered IoT Sensor Node, Small Appliance Control Board, Handheld Medical / Fitness Device, Automotive Interior Accessory Module, Smart Home Sensor / Edge Node.
Capacitive Touch User Interface
The PIC16LF1828T-I/ML integrates Microchip's mTouch™ hardware capacitive-touch peripheral alongside 12 channels of 10-bit ADC, allowing engineers to implement up to 12 touch keys without external sense ICs. The nanoWatt XLP technology keeps average standby current in the tens of nanoamperes between touch scans, enabling battery-powered appliances and remote controls to operate for years on a single cell. The 32 MHz CPU executes a full mTouch scan cycle in microseconds, leaving headroom for the main application state machine.
Recommended
Battery-Powered IoT Sensor Node
The PIC16LF1828T-I/ML's 1.8 V to 3.6 V LF supply range maps directly onto single-cell lithium and 2x AA alkaline chemistries, while XLP sleep currents below 100 nA (with peripherals off) let sensor nodes wake only on interrupt. The integrated 32 MHz oscillator eliminates external crystals, shrinking BOM cost. Pair with an external sub-GHz or BLE module using the MSSP/SPI interface for a compact wireless sensing platform.
Recommended
Small Appliance Control Board
The PIC16LF1828T-I/ML's 5-bit DAC and multiple timer/PWM peripherals directly drive TRIAC phase-angle control, MOSFET gate signals, and brushed-DC motor PWM in coffee machines, blenders, and fans. Its industrial -40 °C to +85 °C rating covers kitchen and laundry ambient conditions. The 20-QFN (4x4 mm) with exposed pad simplifies thermal layout inside tight enclosures.
Recommended
Handheld Medical / Fitness Device
Low-power XLP operation, mTouch support for sealed front panels, and a 12-channel 10-bit ADC for sensor readout make the PIC16LF1828T-I/ML a strong fit for handheld health monitors, pedometers, and glucose meters. The 256-byte EEPROM stores user calibration, while 7 KB Flash holds application code plus a secure boot stub. Operating from a single CR2032 coin cell is feasible thanks to sub-microamp standby current.
Recommended
Automotive Interior Accessory Module
While not AEC-Q100 qualified, the PIC16LF1828T-I/ML's industrial temperature range, mTouch keypad support, and LIN-friendly UART peripherals suit non-safety automotive interior modules such as reading lamps, trim lighting controllers, and accessory switch packs. Designers may pair the MCU with an external LIN transceiver and route the 5-bit DAC for LED dimming curves.
Recommended
Smart Home Sensor / Edge Node
The PIC16LF1828T-I/ML supports the typical smart-home edge-node duty cycle: deep-sleep current below 100 nA, fast wake on ADC comparator, and 32 MHz execution for protocol handling on-chip. SPI/I²C masters connect to environmental sensors; the 5-bit DAC drives reference voltages for bridge-style transducers. Battery life of 5-10 years on a 2x AA pack is achievable with XLP sleep + periodic wake.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1828T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1828-I/ML | PIC16LF1824-I/ML | PIC16LF1828-I/GZ | PIC16F1828T-I/ML | PIC16LF1769-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-QFN (4x4) | 20-QFN (4x4) | 20-QFN (4x4) | 20-UQFN | 20-QFN (4x4) | 20-QFN (4x4) |
| Program Memory | 7 KB | 7 KB | 4 KB | 7 KB | 7 KB | 14 KB |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 14 x 10-bit |
| DAC | 1 x 5-bit | 1 x 5-bit | 1 x 5-bit | 1 x 5-bit | 1 x 5-bit | 1 x 5-bit |
| Touch (mTouch) | Yes | Yes | Yes | Yes | Yes | Yes (improved CTMU) |
| Low-Power Tech | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP+ |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- Same-family upgrade with more program memory (vs PIC16LF1824-I/ML)
- Higher supply voltage headroom (vs PIC16LF1828T-I/ML (LF) vs PIC16F1828T-I/ML (F))
- Newer-generation XLP family upgrade (vs PIC16LF1769-I/ML)
- mTouch™ capacitive touch hardware integrated (vs PIC16LF1554-I/ML)
Design Notes
Solder the QFN exposed pad (EP) to a continuous copper pour tied to VSS. The EP carries the bulk of thermal dissipation and is the primary ground reference; not soldering it risks exceeding maximum die temperature and degrades ADC accuracy. Stencil aperture ratio of approximately 0.8 with a 4x4 QFN land pattern follows Microchip app note considerations for 0.5 mm-pitch QFNs.
Place a 100 nF decoupling capacitor within 3 mm of VDD (pin 18 and pin 19 tied together) and a bulk 1 uF to 10 uF capacitor on the same VDD node. For ADC measurements with less than 1 LSB error, add a 100 nF + 10 uF filter capacitor on the AVREF path. Use the LF (1.8-3.6 V) variant for battery designs and the F (1.8-5.5 V) variant for 5 V rails. Never operate above 3.6 V on the LF silicon.
Do not confuse LF and F variants: PIC16LF1828 (1.8-3.6 V) versus PIC16F1828 (1.8-5.5 V). Programming voltage thresholds differ and applying 5 V to a PIC16LF1828 will damage the silicon. Confirm the exact ordering code (PIC16LF1828T-I/ML) on the reel label before assembly. For ICSP, ensure the PGC/PGD lines are not loaded by more than 50 pF; long flying leads prevent reliable programming.
The PIC16LF1828T-I/ML internal 32 MHz oscillator is adequate for most digital-only designs, but for designs requiring tight USART baud-rate accuracy (better than +/-1 %) or USB timings, route a crystal between RA6 and RA7. Long analog traces should be guarded by a ground track on both sides of the PCB; route the analog reference (FVREF) tracks away from PWM outputs to minimize coupling.
Compliance Information
RoHS-compliant per Microchip product page; supplied lead-free and halogen-free in 20-QFN (4x4). Not AEC-Q100 qualified - for automotive interior applications requiring AEC-Q100, use a higher-grade PIC16F/LF with the Q1 suffix instead.
