PIC16F1827-E/ML - 8-Bit 32MHz 7KB Flash MCU 28-QFN | Microchip
MPN: PIC16F1827-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.84 | $2.84 |
| 10 | $2.55 | $25.50 |
| 100 | $2.27 | $227.00 |
| 500 | $2.05 | $1,025.00 |
| 1,000 | $1.83 | $1,830.00 |
| 3,000 | $1.65 | $4,950.00 |
PIC16F1827-E/ML Overview
A PIC (Peripheral Interface Controller) is a Harvard-architecture 8-bit RISC microcontroller family originally developed by General Instrument and now owned by Microchip Technology. PIC16F-series 'F' devices use Flash program memory, enabling in-circuit reprogramming. The '1827' sits in the PIC16F182x enhanced mid-range family, positioned between the smaller PIC16F1823/1824/1825 (14/20 pins) and the larger PIC16F1828/1829 (20/28/40 pins). XLP nanoWatt technology is Microchip's power-management IP that drops quiescent current below 1 uA in sleep mode, targeting IoT sensor nodes, remote controls, and wearable devices where battery life dominates the design trade-off.
Key differentiating features include the mTouch capacitive-touch feedback peripheral (hardware-driven, offloading CPU work), dual rail-to-rail comparators with programmable hysteresis, and CTMU (Charge Time Measurement Unit) for accurate time/level measurements. The 28-QFN (ML) package exposes 25 I/O pins and fits compact PCB layouts. Internal oscillator accuracy is factory calibrated to within +/-1% across voltage and temperature, eliminating the external crystal in many designs.
Typical applications span capacitive touch user interfaces (appliance panels, automotive HMI), battery-powered IoT sensor nodes with multi-year life targets, LED lighting control with PWM dimming, low-end motor control (fans, small pumps via PWM/MCCP), and consumer remote controls with infrared or RF EUSART links. Designers frequently pair the PIC16F1827 with Microchip MCP1700 LDO regulators and MCP73831 Li-Ion chargers for complete low-power platforms.
When designing with this device, pay attention to the 28-QFN ground-thermal pad - it MUST be soldered to a sufficiently large copper pour (minimum 1 cm2) to meet the thermal resistance stated in the Microchip datasheet. The internal 32 MHz PLL requires specific configuration bit sequences (OSCCON, PLL enable) on startup; review Microchip TB3065 for code examples. Debugging is supported by PICkit 3 / MPLAB SNAP / MPLAB X IDE with no hardware workaround required.
Drop-in alternatives for PIC16F1827-E/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 PIC16F1827-E/ML (same form factor and footprint) — differing in Package, Core Architecture, ADC, Program Memory (Flash), I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1827-I/ML
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC16F1827-E/MLVAO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF1827-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1826-I/ML
✅ Drop-In✓ In Stock
$0.99 / Unit
View Datasheet →PIC16F1719-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1764-E/ML
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F1827-E/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16F Enhanced Mid-Range 8-bit RISC |
| Maximum Clock Frequency | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 384 bytes |
| Data EEPROM | 256 bytes |
| Supply Voltage Range | 1.8 V to 5.5 V (F-version) |
| Operating Temperature Range | -40C to +125C (E grade) |
| I/O Pins | 25 (max) |
| ADC | 10-bit, up to 12 channels |
| Comparators | 2 (with rail-to-rail input) |
| PWM Modules | 4 (10-bit resolution) |
| Communication Peripherals | I2C, SPI, EUSART (LIN-capable) |
| Package | 28-pin QFN (6x6 mm), ML suffix |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
| Special Features | nanoWatt XLP, mTouch, CTMU, internal 32 MHz oscillator |
PIC16F1827-E/ML Pin Configuration
| Pin 1 | RA0/AN0/C1IN+/ICSPDAT — PORTA bit 0 / ADC input / Comparator 1 input+ / ICSP data |
| Pin 2 | RA1/AN1/C1IN-/ICSPCLK — PORTA bit 1 / ADC input / Comparator 1 input- / ICSP clock |
| Pin 3 | RA2/AN2 — PORTA bit 2 / ADC input |
| Pin 4 | RA3/AN3/C1IN+ — PORTA bit 3 / ADC input / Comparator 1 input+ |
| Pin 5 | RA4/AN4 — PORTA bit 4 / ADC input |
| Pin 6 | RA5/AN5 — PORTA bit 5 / ADC input |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA7/OSC1/CLKI — PORTA bit 7 / crystal oscillator input / clock input |
| Pin 9 | RA6/OSC2/CLKO — PORTA bit 6 / crystal oscillator output / clock output |
| Pin 10 | RC0 — PORTC bit 0 |
| Pin 11 | RC1 — PORTC bit 1 |
| Pin 12 | RC2 — PORTC bit 2 |
| Pin 13 | RC3/AN7 — PORTC bit 3 / ADC input |
| Pin 14 | RC4/AN8 — PORTC bit 4 / ADC input |
| Pin 15 | RC5/AN9 — PORTC bit 5 / ADC input |
| Pin 16 | RC6/AN10 — PORTC bit 6 / ADC input |
| Pin 17 | RC7/AN11 — PORTC bit 7 / ADC input |
| Pin 18 | RB7 — PORTB bit 7 |
| Pin 19 | RB6 — PORTB bit 6 |
| Pin 20 | RB5/AN13 — PORTB bit 5 / ADC input |
| Pin 21 | RB4/AN10 — PORTB bit 4 / ADC input |
| Pin 22 | RB3/AN9 — PORTB bit 3 / ADC input |
| Pin 23 | RB2/AN8 — PORTB bit 2 / ADC input |
| Pin 24 | RB1/AN7 — PORTB bit 1 / ADC input |
| Pin 25 | RB0/AN6 — PORTB bit 0 / ADC input |
| Pin 26 | VDD — Positive supply voltage (2.5V to 5.5V F-version) |
| Pin 27 | VDD — Positive supply voltage (2.5V to 5.5V F-version) |
| Pin 28 | RA0/MCLR/VPP — PORTA bit 0 alt / Master Clear reset (active low) / programming voltage |
Typical Applications
PIC16F1827-E/ML is suitable for 7 applications: Capacitive Touch User Interface, Battery-Powered IoT Sensor Node, LED Lighting Dimming and Color Control, Small Motor and Fan Speed Control, Consumer IR/RF Remote Control, Automotive LIN Slave Node, Industrial Sensor Signal Conditioning.
Capacitive Touch User Interface
The PIC16F1827-E/ML integrates Microchip's mTouch hardware capacitive-touch feedback peripheral, eliminating CPU polling of touch electrodes and freeing the core for backlight, buzzer, and communication tasks. With 12 ADC channels and 25 I/O, the chip can drive up to 12 touch buttons plus 4 PWM-driven LED indicators on a single device. The 32 MHz core achieves 8 MIPS, allowing real-time slider/wheel gesture processing. The mTouch library from Microchip provides proven firmware routines, while the nanoWatt XLP sleep current under 30 nA lets battery-powered appliances (coffee makers, fans, induction cooktops) achieve multi-year coin-cell life. Per Microchip AN1258, design tips include guard-ring traces around electrodes and 100 nF decoupling per VDD pin.
Recommended
Battery-Powered IoT Sensor Node
The PIC16F1827-E/ML's nanoWatt XLP technology delivers typical sleep current below 20 nA at 1.8 V and active current around 5 mA at 32 MHz / 5 V, enabling multi-year battery life on a CR2032 coin cell. The 10-bit ADC at up to 100 ksps handles temperature, humidity, and voltage sensor reads, while the EUSART (LIN-capable) interfaces with sub-GHz radio modules like the Microchip MRF89XA. Microchip AN1416 documents a 5-year coin-cell life for periodic 1-second wake cycles. The 1.8 V minimum supply enables direct operation from a single alkaline cell without boost converter, simplifying BOM and reducing quiescent losses. Watchdog and brown-out are hardware-managed, and the internal 32 MHz oscillator eliminates external crystal cost.
Recommended
LED Lighting Dimming and Color Control
The PIC16F1827-E/ML includes four 10-bit PWM modules with up to 32 MHz time base, sufficient to drive high-brightness LED strings with 0.1% dimming resolution and avoid visible flicker at 200 Hz+ PWM frequency. The 8 MIPS core handles CCT color mixing algorithms in firmware while CTMU can measure RGB optical feedback for closed-loop color control. EUSART or I2C interfaces with external DMX/RDM receivers or DMX512/RDM modules. The 1.8 V to 5.5 V supply range covers both 3.3 V logic-level LEDs and 5 V high-power LED drivers. Per Microchip TB3100, PWM duty cycle updates should be synchronized to a zero-crossing interrupt to avoid flicker artifacts.
Recommended
Small Motor and Fan Speed Control
The PIC16F1827-E/ML drives BLDC fans, small DC motors, and stepper motors via its PWM/SCCP/MCCP peripherals with hardware fault shutdown on overcurrent. The integrated rail-to-rail comparators monitor back-EMF for sensorless commutation, while CTMU measures motor speed via tachometer input at 50,000 RPM range. EUSART interfaces with LIN bus for automotive HVAC/seat-fan modules. The 25 I/O pins allow direct connection to 3-phase half-bridge drivers (e.g. Microchip MCP8024) without external logic. Active current at 5V / 32 MHz is 5 mA typical, plus idle/sleep for energy compliance. Industrial -40C to +125C grade ('E') handles automotive under-hood environments.
Recommended
Consumer IR/RF Remote Control
The PIC16F1827-E/ML is ideal for TV/AV remote controls due to its <20 nA sleep current (multi-year battery life on 2x AAA), 32 MHz core (handles RC5/RC6/SIRC/NEC protocols with timer interrupts), and built-in EUSART for IR or sub-GHz RF modules. The mTouch peripheral adds capacitive buttons without mechanical switches. 7 KB Flash holds protocol tables for multiple AV devices, while 384-byte RAM is sufficient for IR stack/queue. The internal oscillator eliminates the external resonator cost. Per Microchip TB3028, the EUSART in IrDA mode with internal baud-rate generator handles Manchester-coded IR at 36.7/38/40 kHz carrier frequencies.
Recommended
Automotive LIN Slave Node
The PIC16F1827-E/ML with EUSART in LIN 1.3/2.0/2.1 slave mode provides a low-cost LIN slave for automotive body electronics - window lift switches, mirror controls, seat position sensors. The 12-channel ADC handles multiple switch inputs and rotary encoders, while 4 PWM channels drive small actuators like LED indicators. AEC-Q100 qualification is available via the PIC16F1827-E/MLVAO variant (same silicon, automotive qualification). The -40C to +125C 'E' temperature grade is rated for under-hood and cabin environments. Per Microchip AN729 and LIN conformance test spec, the internal baud-rate generator can hit +/-1.5% LIN timing accuracy without an external crystal.
Recommended
Industrial Sensor Signal Conditioning
The PIC16F1827-E/ML acts as a smart signal-conditioning front-end for industrial 4-20 mA loops, thermocouples, and bridge sensors. The 10-bit ADC with internal 1.024V reference is factory-calibrated; CTMU enables precise RTD/thermistor measurements via constant-current source. The 25 I/O handle multiplexed channel scanning, while EUSART/I2C/SPI upload digitized data to a host PLC or display. The -40C to +125C extended temperature rating supports outdoor industrial cabinets. Per Microchip AN1152 and TB3107, the CTMU delivers 0.005% temperature stability ideal for thermocouple cold-junction compensation when paired with Microchip MCP9700 analog temperature sensor.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1827-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1827-I/ML | PIC16F1827-E/MLVAO | PIC16LF1827-I/ML | PIC16F1826-I/ML | PIC16F1719-I/ML | PIC16F1764-E/ML |
|---|---|---|---|---|---|---|---|
| Package | 28-QFN (6x6 mm, ML) | 28-QFN (6x6 mm, ML) - same | 28-QFN (6x6 mm, ML) - same | 28-QFN (6x6 mm, ML) - same | 28-QFN (6x6 mm, ML) - same | 28-QFN (6x6 mm, ML) - same | 28-QFN (6x6 mm, ML) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB (4K x 14) | 7 KB | 7 KB | 7 KB | 4 KB (-43%) | 28 KB (+300%) | 7 KB |
| Data RAM | 384 bytes | 384 bytes | 384 bytes | 384 bytes | 256 bytes (-33%) | 2 KB (+422%) | 512 bytes (+33%) |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Maximum Clock Frequency | 32 MHz (8 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V (LF) | 1.8 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Operating Temperature Range | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade, AEC-Q100) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| AEC-Q100 Automotive Qualified | No (extended industrial only) | No | Yes (AEC-Q100 Grade 1) | No | No | No | No |
| DAC / Op-Amp Peripherals | None (uses PWM only) | None | None | None | None | None | 10-bit DAC, op-amps, 7 KB Flash |
| Approx Unit Price (qty 1) | USD 2.84 | USD 2.55 (approx) | USD 3.20 (approx) | USD 2.75 (approx) | USD 2.40 (approx) | USD 2.95 (approx) | USD 3.05 (approx) |
Key Differentiators
- AEC-Q100 automotive-qualified variant available in same package (vs PIC16F1827-I/ML)
- 4x more program memory than lower-density sibling (vs PIC16F1826-I/ML)
- mTouch hardware capacitive-touch peripheral without external IC (vs PIC16F1719-I/ML)
- On-chip CTMU for precise time/level measurements (vs PIC16F1826-I/ML)
Design Notes
The 28-QFN package has a center thermal pad (exposed pad, EP) that MUST be soldered to a sufficiently large PCB copper pour for thermal and electrical performance. Microchip recommends at least 1 cm^2 of 1 oz copper connected to the EP pad, ideally with multiple thermal vias to the opposite-side ground plane. Without adequate EP soldering, thermal resistance rises significantly and the silicon die can exceed maximum junction temperature (TJ max 150C) at full CPU load. Per Microchip DS41391D Section 4.0 (Package Marking Information), the EP pad is electrically connected to VSS internally on this package.
Place one 100 nF (0.1 uF) decoupling capacitor as close as possible to each VDD pin (pins 26 and 27 on the 28-QFN). Add a bulk 10 uF aluminum-polymer or ceramic capacitor on the main supply rail. For nanoWatt XLP battery applications, ensure the bulk capacitor does not exceed 10 uF to avoid startup inrush issues at the MCP1700 LDO input - see Microchip AN1416 Section 4 for guidance. Avoid placing the bulk capacitor more than 5 mm from the VDD pins. Use a star-ground topology for analog (AVDD) and digital (DVDD) supplies if separated on this part.
Route ICSP signals (ICSPDAT/ICSPCLK on RA0/RA1) as a 2-pin header accessible from the PCB edge for in-circuit programming and debugging. Microchip recommends 4-pin ICSP layout (VDD/VSS/ICSPDAT/ICSPCLK) even if only PGD/PGC are used, for production programming fixture compatibility. Per Microchip TB3065, keep ICSP traces under 75 mm and avoid running parallel to high-current switching traces. The MCLR pin (RA0/MCLR, pin 28) requires a 10 kohm pull-up to VDD with a 100 nF cap to ground for proper reset behavior - omitting this is a common failure mode.
The internal 32 MHz oscillator is factory calibrated to +/-1% across voltage and temperature, but external crystal operation requires a parallel-resonant AT-cut crystal with 20 pF to 33 pF load capacitors. For EUSART baud rates above 57600 baud or LIN-bus timing-critical nodes, use an external crystal because the internal oscillator's +/-1% can yield LIN conformance failures. Per Microchip TB3028, choose a crystal with ESR under 60 ohm and aging under +/-5 ppm/year for reliable LIN master timing.
Configuration bits (CONFIG1/CONFIG2) MUST be set correctly or the device may fail to start. Common pitfalls: (1) leaving the watchdog timer enabled in battery applications without proper firmware handling - it will reset the chip every 2 s; (2) not clearing the CONFIG1 CLKOUTEN bit when sharing the clock with external circuits; (3) failing to enable the PLL in OSCCON before executing time-critical code; (4) using LF (1.8V optimized) part firmware on F (2.5V minimum) part where brown-out settings differ. Review Microchip DS41391D Section 26 (DC/AC Characteristics) for absolute maximum ratings before finalizing the design.
Compliance Information
RoHS and REACH compliant per Microchip product page. Standard part is industrial/extended grade; AEC-Q100 qualification available only on the -E/MLVAO variant. Lead-free 260C reflow compatible. Halogen-free per Microchip JS709B declaration.
