PIC16LF1827T-I/ML - 7KB Flash 8-bit MCU 32MHz 28-QFN | Microchip
MPN: PIC16LF1827T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.62 | $1.62 |
| 10 | $1.49 | $14.90 |
| 100 | $1.3 | $130.00 |
| 500 | $1.13 | $565.00 |
| 1,000 | $0.98 | $980.00 |
| 3,300 | $0.85 | $2,805.00 |
PIC16LF1827T-I/ML Overview
What is a PIC microcontroller? A PIC (Peripheral Interface Controller) is a family of 8-bit, 16-bit, and 32-bit microcontrollers built on a Harvard RISC architecture by Microchip Technology. Within the PIC portfolio the LF (low-voltage) sub-family operates from 1.8 V to 3.6 V and is optimized for battery-powered applications. The PIC16LF1827 sits in the enhanced mid-range core family (PIC16), offering 49 instructions, 16-level hardware stack, and C-compiler friendly architecture with up to 32 MHz operation. It belongs to the broader semiconductor hierarchy: microcontroller -> embedded MCU -> power management integrated circuit (system context).
Key features include 7 KB Flash program memory, 384 bytes RAM, 256 bytes EEPROM, 16 I/O pins, 12-channel 10-bit ADC, two 8-bit timers and one 16-bit timer, an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART), two MSSP blocks supporting SPI and I2C (both Master and Slave), a 32 MHz internal oscillator, and mTouch capacitive-touch sensing peripherals. The device supports In-Circuit Serial Programming (ICSP) via two pins and offers nanoWatt XLP sleep currents as low as 30 nA typical.
Architecturally, the PIC16LF1827 integrates a high-performance RISC CPU with a hardware multiplier, CWG (Complementary Waveform Generator), configurable logic cells, and 2 x PWM modules with independent time bases. The integrated 32 MHz internal oscillator eliminates the need for an external crystal in most cost-sensitive designs and supports factory-calibrated accuracy within +/- 2 percent across the industrial temperature range.
Typical applications include low-power sensor nodes, capacitive-touch user interfaces, LED lighting controllers, consumer appliances, IoT edge devices, and battery-powered instrumentation. The combination of XLP sleep current, mTouch peripherals, and integrated peripherals makes it ideal for human-machine interface nodes that must operate for years on a single coin cell.
When designing with this part, place a 0.1 uF decoupling capacitor as close as possible to the VDD pin and a 1 uF bulk capacitor near the exposed thermal pad (EP), which must be soldered to a low-impedance ground plane for electrical and thermal performance. The internal oscillator is sufficient for most UART and SPI applications up to 32 MHz; only timing-critical designs (USB, high-precision PWM) need an external crystal.
Drop-in alternatives for PIC16LF1827T-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 PIC16LF1827T-I/ML (same form factor and footprint) — differing in Capacitive Touch, Package, ADC, Timers, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1827-I/ML
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$1.54 / Unit
View Datasheet →PIC16LF1827-E/ML
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View Datasheet →PIC16F1827T-I/ML
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View Datasheet →PIC16F1827T-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →PIC16LF1827T-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →PIC16LF1827T-I/ML Maximum Ratings & Electrical Characteristics
| Series | PIC16F/LF182x (XLP mTouch 16F) |
| Core Processor | PIC 8-bit Enhanced Mid-Range |
| Core Size | 8-bit |
| Operating Frequency | 32 MHz max (8 MIPS) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| RAM | 384 bytes |
| EEPROM | 256 bytes |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 16 |
| ADC | 12 channels x 10-bit |
| Timers | 4 (2 x 8-bit, 1 x 16-bit, 1 x WDT) |
| Communication Interfaces | EUSART, 2 x MSSP (SPI / I2C Master+Slave) |
| Package | 28-QFN (6x6 mm) with Exposed Pad (ML) |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
| Programming Method | ICSP (In-Circuit Serial Programming) |
| Low-Power Technology | nanoWatt XLP (30 nA typical sleep) |
| Capacitive Touch | mTouch peripheral (12 channels) |
PIC16LF1827T-I/ML Pin Configuration
| Pin 1 | RA0/ICSPDAT/AN0/CVD — Bidirectional I/O, ICSP data, analog input 0, CVD for mTouch |
| Pin 2 | RA1/ICSPCLK/AN1/CVD — Bidirectional I/O, ICSP clock, analog input 1, CVD for mTouch |
| Pin 3 | RA2/AN2/CVD/DAC — Bidirectional I/O, analog input 2, CVD for mTouch, DAC output |
| Pin 4 | RA3/MCLR/VPP — Master Clear reset input / programming high voltage |
| Pin 5 | RA4/AN3/CVD/OSC2/CLKOUT — Bidirectional I/O, analog input 3, CVD for mTouch, osc output |
| Pin 6 | RA5/AN4/SS1/OSC1/CLKIN — Bidirectional I/O, analog input 4, SPI1 slave select, osc input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/OSC1 — Bidirectional I/O / crystal oscillator input |
| Pin 9 | RA6/OSC2 — Bidirectional I/O / crystal oscillator output |
| Pin 10 | RC0/T1CKI/SOSCO — Bidirectional I/O, Timer1 clock input, secondary osc output |
| Pin 11 | RC1/CCP2/SOSCI — Bidirectional I/O, CCP2 PWM, secondary osc input |
| Pin 12 | RC2/CCP1/AN6 — Bidirectional I/O, CCP1 PWM, analog input 6 |
| Pin 13 | RC3/AN7/SCK1/SCL1 — Bidirectional I/O, analog input 7, SPI1 clock, I2C1 clock |
| Pin 14 | RC4/SDI1/SDA1 — Bidirectional I/O, SPI1 data in, I2C1 data |
| Pin 15 | RC5/SDO1 — Bidirectional I/O, SPI1 data out |
| Pin 16 | RC6/TX1/CK1/AN8 — Bidirectional I/O, EUSART TX/CLK, analog input 8 |
| Pin 17 | RC7/RX1/DT1/AN9 — Bidirectional I/O, EUSART RX/DT, analog input 9 |
| Pin 18 | RB7/ICSPDAT — Bidirectional I/O, alternate ICSP data |
| Pin 19 | RB6/ICSPCLK — Bidirectional I/O, alternate ICSP clock |
| Pin 20 | RB5/AN11/CVD — Bidirectional I/O, analog input 11, CVD for mTouch |
| Pin 21 | RB4/AN10/CVD — Bidirectional I/O, analog input 10, CVD for mTouch |
| Pin 22 | RB3/CVD — Bidirectional I/O, CVD for mTouch |
| Pin 23 | RB2/CVD — Bidirectional I/O, CVD for mTouch |
| Pin 24 | RB1/CVD/AN8 — Bidirectional I/O, CVD for mTouch, analog input |
| Pin 25 | RB0/INT/AN12 — Bidirectional I/O, external interrupt, analog input 12 |
| Pin 26 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 27 | VSS — Ground reference |
| Pin 28 | NC — Not connected (per datasheet 41391E QFN pin map) |
Typical Applications
PIC16LF1827T-I/ML is suitable for 7 applications: Battery-Powered Capacitive Touch HMI, Wireless Sensor Node MCU, LED Lighting and Dimming Controller, Consumer Appliance Control Board, Medical and Wellness Wearables, IoT Edge Sensor Hub, Automotive Interior Accessory (Non-Safety).
Battery-Powered Capacitive Touch HMI
The PIC16LF1827T-I/ML fits battery-powered capacitive touch HMI nodes because its 12-channel mTouch peripheral handles up to 12 buttons or a slider without an external touch controller, while nanoWatt XLP sleep currents of 30 nA typical and sub-5 us wake-up time let the system spend > 99.9% of its life in deep sleep. Operating from 1.8 V to 3.6 V it can run directly from a CR2032 coin cell, and the 32 MHz internal oscillator eliminates the external crystal. The 28-QFN (6x6 mm) footprint drops easily behind a 30 mm front-panel flex board. For designs that need more touch channels, scale to PIC16F18446.
Recommended
Wireless Sensor Node MCU
The PIC16LF1827T-I/ML is widely deployed as the host MCU for low-power wireless sensor nodes paired with sub-GHz transceivers such as the MRF89XA or LoRa modules. Its EUSART plus two MSSP blocks provide three independent serial channels, so it can drive a radio, an I2C sensor, and a debug console simultaneously. The 384-byte RAM is adequate for 868/915 MHz packet handling, and the 7 KB Flash holds a custom MAC plus application code. XLP sleep at 30 nA plus 1-2 ms wake-and-transmit duty cycles deliver > 5-year battery life on 2 x AA cells.
Recommended
LED Lighting and Dimming Controller
The PIC16LF1827T-I/ML drives single- or multi-channel LED drivers via its PWM modules and CWG (Complementary Waveform Generator), supporting 16-bit PWM resolution at low frequencies or high-frequency PWM for dimmable LED strings. The 12-channel 10-bit ADC reads ambient light sensors and potentiometer dim inputs. Its 32 MHz internal oscillator is accurate enough for DALI or 0-10 V dimming protocols handled in software over the EUSART. Compact 28-QFN (6x6 mm) packaging makes it ideal for bulb retrofit modules where the existing Edison or GU10 footprint must be preserved.
Recommended
Consumer Appliance Control Board
In white-goods and small kitchen appliances, the PIC16LF1827T-I/ML controls user inputs (capacitive touch, rotary encoders), drives 7-segment or TFT displays, switches relays and triacs via PWM and CWG, and reads thermistors via the 10-bit ADC. The exposed pad of the 28-QFN package dissipates thermal load when driving relays directly. Industrial -40 C to +85 C temperature range covers kitchen and laundry environments. The same die is also available in SOIC (/SO) and SPDIP (/P) packages for hand-soldered prototyping or rework-friendly field service.
Recommended
Medical and Wellness Wearables
Battery-powered medical wearables such as smart patches, pill dispensers, and pulse-oximeter dongles leverage the PIC16LF1827T-I/ML nanoWatt XLP low-power modes to deliver long battery life. The 10-bit ADC reads photoplethysmography (PPG) and temperature sensors, while I2C MSSP interfaces to biomedical sensor ICs. The 28-QFN footprint fits inside a 25 mm patch. Note that this part is NOT AEC-Q100 qualified nor medical-EMI-tested; designs targeting FDA/CE-MDR submissions should use the dsPIC33CK or PIC32MK medical families, but for non-life-support consumer wellness products the LF1827 is widely deployed.
Recommended
IoT Edge Sensor Hub
The PIC16LF1827T-I/ML serves as the central MCU in IoT edge sensor hubs that aggregate multiple I2C sensors, drive status LEDs, and forward readings over UART, BLE, or LoRa. Its 7 KB Flash holds the application code plus a small TCP/IP or MQTT stack fragment, and 384 bytes of RAM is enough to buffer sensor frames between transmissions. Sleep current of 30 nA with 1 second wake intervals yields 5+ year battery life on a 2400 mAh Li-ion cell. The 28-QFN 6x6 mm footprint with exposed pad gives excellent thermal and electrical grounding for noisy industrial environments.
Recommended
Automotive Interior Accessory (Non-Safety)
For non-safety automotive interior accessories such as USB chargers, ambient lighting controllers, and interior trim lighting, the PIC16LF1827T-I/ML handles LIN bus communication via its EUSART, PWM-driven LED dimming, and capacitive touch on the trim surface. Its industrial -40 C to +85 C temperature grade covers most interior cabin conditions. NOTE: this part is not AEC-Q100 qualified; for safety-critical or under-hood applications choose the AEC-Q100 qualified PIC16F18446 or dsPIC33 family. The exposed pad of the 28-QFN package delivers solid thermal performance in enclosed dashboard modules.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1827T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16LF1827-I/ML | PIC16LF1827-E/ML | PIC16F1827T-I/ML | PIC16LF1827T-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-SSOP (5.30 mm) - different footprint, not same PCB land pattern |
| Supply Voltage (VDD) | 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 |
| Flash Memory | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB |
| RAM | 384 bytes | 384 bytes | 384 bytes | 384 bytes | 384 bytes |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| Packaging Format | Tape and Reel | Tray | Tray | Tape and Reel | Tape and Reel |
| AEC-Q100 Automotive Qualified | No | No | No | No | No |
Key Differentiators
- Wide VDD range from 1.8 V to 3.6 V for coin-cell operation (vs PIC16F1827T-I/ML)
- Tape and Reel packaging for high-volume SMT assembly (vs PIC16LF1827-I/ML)
- Extended -40 C to +125 C temperature grade option in same package (vs PIC16LF1827-E/ML)
- mTouch 12-channel capacitive sensing peripheral integrated (vs PIC16LF1826-I/ML)
Design Notes
Estimated: With the 28-QFN (6x6 mm) package thermal resistance is approximately 35 C/W with the exposed pad soldered to a 1 square inch copper ground pour, dropping to about 45 C/W on a 4-layer JEDEC test board. Place a 0.1 uF ceramic decoupling capacitor as close as possible to the VDD pin (pin 26) and a 1 uF bulk capacitor within 5 mm of the exposed pad. Connect the exposed thermal pad (EP) to VSS via a low-impedance plane - thermal and electrical grounding are critical because the EP is the primary thermal dissipation path at 32 MHz / 8 MIPS full load.
Do not exceed 3.6 V on VDD - this is the LF (low-voltage) variant and will be damaged by 5 V. For 5 V systems use PIC16F1827T-I/ML which has identical pinout but 5.5 V tolerance. Always configure the MCLR pin (pin 4) as MCLR (input) rather than as a GPIO, or use the internal MCLR fuse option, to ensure ICSP programming works during production. The ICSP programming pins are RA0/ICSPDAT and RA1/ICSPCLK - keep these accessible or allocate test points in the PCB layout.
To achieve the rated 30 nA nanoWatt XLP sleep current, disable all peripherals before executing the SLEEP instruction, switch the system clock to LFINTOSC at 31 kHz, and disable the ADC and references. Brown-Out Reset (BOR) must remain enabled below 1.9 V to prevent Flash corruption. For battery-powered designs, configure the WDT to wake the device every 2 to 4 seconds rather than running continuously, then poll sensors in batches. Use the on-chip DAC as a low-power bias reference to avoid powering external references during sleep.
Estimated: For mTouch capacitive touch sensing, route the touch electrodes directly to the assigned CVD-capable pins (RA0/RA1/RA2/RA4/RA5/RB0-RB5) without crossing other signals. Add a ground hatch pattern between touch electrodes and noisy digital traces (PWM, SPI, TX) with at least 0.5 mm isolation. Place the I2C pull-up resistors (typically 4.7 kohm at 3.3 V) within 50 mm of the SDA1/SCL1 pins (RC3/RC4). For high-speed SPI (e.g., 8 MHz SCK1), add a 33 ohm series damping resistor at RC3 to reduce ringing without violating timing.
Compliance Information
RoHS compliant per Microchip product page environmental data. Lead-free (Pb-free) reflow profile per JEDEC J-STD-020. Halogen-free per Microchip datasheet 41391E environmental statement. NOT AEC-Q100 qualified - for AEC-Q100 automotive applications use the PIC16F18446 or dsPIC33CK automotive families.
