PIC16LF1827-I/ML - 8-bit 32MHz XLP MCU 7KB Flash | Microchip
MPN: PIC16LF1827-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.65 | $2.65 |
| 10 | $2.38 | $23.80 |
| 100 | $1.99 | $199.00 |
| 500 | $1.76 | $880.00 |
| 1,000 | $1.54 | $1,540.00 |
PIC16LF1827-I/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for program storage and SRAM for data), and peripherals such as timers, ADCs, communication interfaces, and I/O pins. PIC microcontrollers from Microchip use a Harvard RISC architecture with separate program and data buses, executing one instruction per clock cycle. Within the broader taxonomy, the PIC16LF1827 sits in the PIC16 mid-range family of 8-bit microcontrollers under the PIC XLP nanoWatt technology tree, designed specifically for ultra-low-power applications where extended battery life is critical.
Key features include 7KB (4K x 14) self-read/write Flash, 384 bytes RAM, mTouch capacitive sensing module, data signal modulator (DSM), MI2C/SPI/EUSART with auto-baud, two ECCP and two CCP peripherals, 12-bit ADC with computation, and multiple low-power sleep modes with currents as low as sub-uA. The 28-QFN package offers a compact footprint with low thermal resistance for space-constrained PCB designs.
The enhanced mid-range core delivers deterministic 8-bit performance with a wide peripheral set including 10-bit PWM, comparators, and configurable logic cells. The integrated nanoWatt XLP technology enables sleep currents below 20 nA in RTCC mode, ideal for energy harvesting and battery-powered IoT nodes.
Typical applications include IoT sensor nodes, capacitive touch interfaces, battery-powered wearables, industrial sensor conditioning, low-power wireless transmitters, and consumer devices requiring extended battery life. Designers choose the PIC16LF1827 specifically when both low quiescent current and integrated touch/communication peripherals are needed in a single IC.
When designing with this MCU, ensure decoupling capacitors are placed close to VDD/VDDCORE pins, configure unused pins as outputs to minimize leakage, and use the internal 32MHz HFINTOSC to eliminate external clock components in cost-optimized layouts. Programming is supported via MPLAB X IDE and XC8 compiler.
This page synthesizes distributor pricing, drop-in alternatives, and compact design guidance not found in the manufacturer datasheet alone, giving procurement and engineering teams a single reference for sourcing decisions.
Drop-in alternatives for PIC16LF1827-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 PIC16LF1827-I/ML (same form factor and footprint) — differing in Package, Operating Temperature, I/O Pins, Core Architecture, Data RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF1827-E/ML
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16LF1826-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1825-I/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF1823-I/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF1824-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.82 / Unit
View Datasheet →PIC16LF1554-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.84 / Unit
View Datasheet →PIC16LF1827-I/ML Maximum Ratings & Electrical Characteristics
| Core | PIC 8-bit enhanced mid-range |
| Program Memory (Flash) | 7 KB (4K x 14) |
| Data RAM | 384 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 12-bit with computation |
| Communication Interfaces | I2C, SPI, EUSART with auto-baud |
| PWM Modules | 2 ECCP + 2 CCP |
| Special Features | mTouch capacitive sensing, Data Signal Modulator, nanoWatt XLP |
| Package | 28-QFN (6x6 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) |
| MSL Level | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Programming Support | MPLAB X IDE, XC8 Compiler, ICD debugger |
PIC16LF1827-I/ML Pin Configuration
| Pin 1 | RA3/AN3/CPS3 — Port A bit 3 / ADC input / mTouch channel 3 |
| Pin 2 | RA4/AN4/CPS4 — Port A bit 4 / ADC input / mTouch channel 4 |
| Pin 3 | RA5/AN5/CPS5 — Port A bit 5 / ADC input / mTouch channel 5 |
| Pin 4 | RA6 — Port A bit 6 |
| Pin 5 | RA7 — Port A bit 7 |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDDCORE — Core voltage regulator output (decoupling required) |
| Pin 8 | RA0 — Port A bit 0 |
| Pin 9 | RA1 — Port A bit 1 |
| Pin 10 | RA2 — Port A bit 2 |
| Pin 11 | RC0 — Port C bit 0 |
| Pin 12 | RC1 — Port C bit 1 |
| Pin 13 | RC2 — Port C bit 2 |
| Pin 14 | RC3 — Port C bit 3 |
| Pin 15 | RC4 — Port C bit 4 |
| Pin 16 | RC5 — Port C bit 5 |
| Pin 17 | RC6 — Port C bit 6 |
| Pin 18 | RC7 — Port C bit 7 |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Pin 21 | RB0 — Port B bit 0 |
| Pin 22 | RB1 — Port B bit 1 |
| Pin 23 | RB2 — Port B bit 2 |
| Pin 24 | RB3 — Port B bit 3 |
| Pin 25 | RB4 — Port B bit 4 |
| Pin 26 | RB5 — Port B bit 5 |
| Pin 27 | RB6/ICSPCLK — Port B bit 6 / ICS Programming Clock |
| Pin 28 | RB7/ICSPDAT — Port B bit 7 / ICS Programming Data |
| Pin 29 | EP — Exposed pad - connect to VSS for thermal dissipation |
Typical Applications
PIC16LF1827-I/ML is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Capacitive Touch Interfaces, Wearable Health Monitors, Industrial Sensor Conditioning, Low-Power Wireless Sensor Networks, Consumer Remote Controls and HIDs.
Battery-Powered IoT Sensor Nodes
The PIC16LF1827-I/ML's nanoWatt XLP technology delivers sleep currents below 20 nA in RTCC mode, making it ideal for IoT sensor nodes powered by 2xAA or coin-cell batteries targeting 5+ year operational life. Its 1.8V-3.6V operating range matches directly to battery voltage without an external LDO, reducing BOM and quiescent losses. The integrated 12-bit ADC and mTouch peripherals handle temperature, humidity, and touch wake-up sensing in a single IC. Combined with EUSART for low-duty-cycle wireless module control (e.g., LoRa or BLE modules), this MCU reduces total system sleep current below 1 uA, a key parameter for long-life IoT deployments.
Recommended
Capacitive Touch Interfaces
The mTouch capacitive sensing module integrated into the PIC16LF1827-I/ML supports up to 16 touch channels without external touch ICs, reducing total BOM cost in HMI designs. Its 32 MHz core provides fast touch acquisition cycles (sub-10ms response) and the 12-bit ADC enables proximity and slider/button combinations. Combined with nanoWatt XLP sleep modes, the MCU wakes on touch, samples, transmits, and returns to sleep at <1 uA average current. Engineers use this for white-good front panels, consumer appliance touch controls, and industrial keypads where reliable touch performance and low standby power are both required.
Recommended
Wearable Health Monitors
The PIC16LF1827-I/ML is well suited for wearable health monitors such as heart-rate straps, pulse oximeters, and step counters where size, battery life, and low sleep current dominate the design. Its 28-QFN 6x6 mm footprint fits in compact PCB layouts, and the 1.8V operation matches Li-ion or Li-poly cells directly. The Data Signal Modulator (DSM) interfaces to optical sensor analog front-ends, while the 12-bit ADC captures biosignals at sufficient resolution for fitness-grade measurements. Sleep current below 20 nA enables coin-cell operation with multi-month life targets for always-on health wearables.
Recommended
Industrial Sensor Conditioning
Factory-floor sensor transmitters benefit from the PIC16LF1827-I/ML's -40C to +85C industrial temperature range, integrated 12-bit ADC with computation, and robust peripherals for 4-20 mA loop or IO-Link connectivity. Its 32 MHz core executes PID loops, sensor linearization, and HART or IO-Link protocol stacks within the 7 KB Flash budget. The mTouch and DSM modules enable advanced sensor diagnostics without external components. Combined with EUSART, SPI, and I2C, the MCU interfaces to multi-sensor front-ends while maintaining EMI resilience from industrial noise sources.
Recommended
Low-Power Wireless Sensor Networks
The PIC16LF1827-I/ML acts as a host MCU for low-power wireless sensor networks, controlling sub-GHz transceivers such as the MRF89XA or LoRa modules via SPI/EUSART. Its nanoWatt XLP sleep mode with RTCC enables wake-on-timer at <1 uA average current, and the 32 MHz core handles network stack, encryption, and sensor processing. Designers use this for environmental monitoring, agricultural sensors, and asset tracking. The wide 1.8V-3.6V range matches 2xAA alkaline, Li-ion, and energy harvesting sources, simplifying multi-node battery deployments.
Recommended
Consumer Remote Controls and HIDs
The PIC16LF1827-I/ML suits consumer remote controls and human interface devices (HIDs) where long battery life, compact PCB, and integrated peripherals matter. Its mTouch supports touch buttons or sliders on remote enclosures, while EUSART/SPI interface to wireless transceivers or BLE modules. Average sleep current below 1 uA enables coin-cell remotes with multi-year life. The 7 KB Flash holds user button mapping, IR protocols, and BLE HID descriptors. Cost-sensitive consumer products benefit from the 28-QFN's small footprint and the MCU's BOM reduction vs discrete touch + MCU designs.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1827-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Choose PIC16LF1827-E/ML instead when the deployment requires extended -40C to +125C operation - same silicon, same package, just a wider temperature window for automotive under-hood or harsh industrial environments. Choose PIC16LF1826-I/ML as a cost-down option if firmware fits within 3.5 KB; same peripherals and same 28-QFN footprint enable PCB reuse. Choose PIC16LF1825-I/ML if more Flash (14 KB) is needed for complex stacks or future feature growth, with the same pinout and peripherals for drop-in scaling.
Comparison with Alternatives
| Parameter | This Product | PIC16LF1827-E/ML | PIC16LF1826-I/ML | PIC16LF1825-I/ML | PIC16LF1823-I/ML |
|---|---|---|---|---|---|
| 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-QFN (6x6 mm) - same |
| Program Memory (Flash) | 7 KB | 7 KB | 3.5 KB | 14 KB | 3.5 KB |
| Operating Voltage | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V | 1.8V to 3.6V |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C |
| mTouch Support | Yes | Yes | Yes | Yes | Yes |
| nanoWatt XLP | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Industry-leading nanoWatt XLP sleep current below 20 nA with RTCC active (vs PIC16LF1826-I/ML)
- Extended temperature variant available for industrial deployment (vs PIC16LF1827-E/ML)
- Cost-down path via same-package family scaling (vs PIC16LF1823-I/ML)
Design Notes
Estimated: total system sleep current using PIC16LF1827-I/ML can drop below 1 uA by configuring all unused pins as outputs, disabling unused peripherals (ADC, comparators, PWM) via PMD registers, and selecting LFINTOSC at 31 kHz as the wake-up clock. RTCC with external 32.768 kHz crystal achieves typical 600 nA. Adding 2xAA alkaline cells (2000 mAh), theoretical battery life exceeds 5 years for a 1% duty-cycle sensor node, with actual life depending on radio module current.
Place 100 nF decoupling capacitors as close as physically possible to VDD (pin 20) and VDDCORE (pin 7) on the 28-QFN footprint; a bulk 1-10 uF ceramic near VDD handles transient current spikes from EUSART/SPI activity. The exposed pad (EP, pin 29) MUST be soldered to a ground plane of at least 0.5 sq inch for thermal dissipation - it carries both electrical ground return and the primary heat path for the QFN package. Without proper EP soldering, junction temperature can exceed 125C under sustained RF/wireless activity.
Route sensitive analog inputs (ANx, CPSx) away from PWM and digital switching traces; keep ADC traces short with ground shielding on both sides. The mTouch sensor patterns require a ground-free zone around each pad - reference Microchip application note AN1478 for capacitive touch layout guidelines. Maintain 0.1 inch minimum trace clearance between high-voltage traces and analog signals if the design mixes 3.3V logic with sensor inputs.
Do not skip the configuration word programming step or the device may default to internal oscillator configuration you don't expect. The CONFIG1 and CONFIG2 registers must be set explicitly per your design (e.g., WDTE disabled for low-power, LVP enabled for ICSP, etc.). Also, when migrating from PIC16LF1827 to PIC16LF1826-I/ML, verify firmware size fits in 3.5 KB - some applications exceed this with debug logging enabled, requiring either optimization or moving up to PIC16LF1825.
For EUSART/SPI at 32 MHz core clock, baud rates up to 2 MHz are stable on short PCB traces (<2 inches). Longer runs to external wireless modules or sensors require series damping resistors (22-33 ohm) at the source end to reduce ringing. The PIC16LF1827-I/ML I/O drive strength can be configured via slew-rate control registers; reducing slew rate saves 1-2 mA per switching pin at the cost of edge rate. For noise-sensitive analog measurements, gate the digital switching during ADC sampling windows via PTG or simple IO control.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - use automotive-grade PIC variants (not listed in verified data) for automotive applications. Lead-free and halogen-free per Microchip packaging compliance statement.
