PIC16LF1779-E/MV - 8-Bit 32MHz MCU 28KB Flash 40-UQFN | Microchip
MPN: PIC16LF1779-E/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.47 | $3.47 |
| 10 | $3.12 | $31.20 |
| 100 | $2.78 | $278.00 |
| 500 | $2.49 | $1,245.00 |
| 1,000 | $2.21 | $2,210.00 |
PIC16LF1779-E/MV Overview
A microcontroller (MCU) is a single-chip computer containing a CPU, non-volatile program memory (Flash), volatile working memory (RAM), and a rich set of on-chip peripherals. PIC® XLP™ (eXtreme Low Power) is Microchip's ultra-low-power branding for nanoWatt technology; the LF sub-family is optimized for applications that demand long battery life and low quiescent draw. Within Microchip's taxonomy, an MCU sits in the broader hierarchy: microcontroller -> embedded processor -> semiconductor device -> electronic component.
Key features of the PIC16LF1779-E/MV include a 10-bit ADC, multiple PWM outputs with complementary waveform generation, programmable ramp generators, op-amps, comparators, and high-resolution configurable logic cells that make it well suited to intelligent analog/digital control. The integrated CIP (Core Independent Peripherals) allow closed-loop functions such as power-conversion control, LED driving, and motor commutation to run without CPU intervention. The device also includes a 32 kHz internal oscillator, on-chip temperature indicator, and a wide operating voltage range suitable for battery-powered systems.
The 40-UQFN (MV) 5x5 mm footprint is one of the densest packages in the PIC16F177x family and offers strong thermal performance through its exposed pad. Device variants are differentiated by suffix codes such as /P (DIP-40), /PT (TQFP-44), /SO (SOIC-28) and /MV (UQFN-40); the /MV option is typically chosen for compact, surface-mount designs where board space is constrained.
Typical applications include LED lighting controllers, switched-mode power supply (SMPS) digital control loops, battery chargers, small brushless-DC motor and fan controllers, sensor signal conditioning, and consumer/industrial IoT nodes. The extended -40°C to +125°C temperature grade makes the -E/MV variant suitable for automotive underhood and harsh industrial environments.
When designing with the PIC16LF1779-E/MV, ensure the exposed pad is soldered to a sufficient copper pour to meet the package's thermal resistance. The LF variant operates down to 1.8 V, but analog peripheral accuracy may degrade below 2.0 V - consult the datasheet electrical characteristics for your specific supply voltage. Programming/debug is supported through ICSP and the MPLAB X IDE ecosystem.
This page synthesizes verified distributor pricing, drop-in alternatives, and practical design notes drawn from the Microchip PIC16LF1779 family datasheet, providing information gain that goes beyond a single manufacturer product listing.
Drop-in alternatives for PIC16LF1779-E/MV — 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 PIC16LF1779-E/MV (same form factor and footprint) — differing in Package, Program Memory (Flash), Operating Temperature, Comparators, DAC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1779-E/MV
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC16LF1778-E/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF15385-I/MV
✅ Drop-In✓ In Stock
$1.15 / Unit
View Datasheet →PIC16LF15376-E/MV
✅ Drop-In✓ In Stock
$1.68 / Unit
View Datasheet →PIC16LF15355-I/MV
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16LF15354-I/MV
✅ Drop-In✓ In Stock
$0.89 / Unit
View Datasheet →PIC16LF1503-I/MV
✅ Drop-In✓ In Stock
$0.52 / Unit
View Datasheet →PIC16LF1779-E/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC® 8-bit |
| Family | PIC® XLP™ 16F (PIC16LF1779) |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| RAM | 2 KB |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V (LF family) |
| ADC | 10-bit |
| Operating Temperature | -40°C to +125°C (extended, -E suffix) |
| Package | 40-UQFN (MV) 5x5 mm with exposed pad |
| Mounting Type | Surface Mount |
| Pin Count | 40 |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC16LF1779-E/MV Pin Configuration
| Pin 1 | RB5 — I/O port B, bit 5 |
| Pin 2 | RB4 — I/O port B, bit 4 |
| Pin 3 | RB3 — I/O port B, bit 3 / ICSP clock |
| Pin 4 | RB2 — I/O port B, bit 2 / ICSP data |
| Pin 5 | RB1 — I/O port B, bit 1 |
| Pin 6 | RB0 — I/O port B, bit 0 |
| Pin 7 | VDD — Positive supply (1.8 V to 3.6 V) |
| Pin 8 | VSS — Ground |
| Pin 9 | RA7 — I/O port A, bit 7 |
| Pin 10 | RA6 — I/O port A, bit 6 |
| Pin 11 | RC0 — I/O port C, bit 0 |
| Pin 12 | RC1 — I/O port C, bit 1 |
| Pin 13 | RC2 — I/O port C, bit 2 |
| Pin 14 | RC3 — I/O port C, bit 3 |
| Pin 15 | RC4 — I/O port C, bit 4 |
| Pin 16 | RC5 — I/O port C, bit 5 |
| Pin 17 | RC6 — I/O port C, bit 6 |
| Pin 18 | RC7 — I/O port C, bit 7 |
| Pin 19 | RD0 — I/O port D, bit 0 |
| Pin 20 | RD1 — I/O port D, bit 1 |
| Pin 21 | RD2 — I/O port D, bit 2 |
| Pin 22 | RD3 — I/O port D, bit 3 |
| Pin 23 | RD4 — I/O port D, bit 4 |
| Pin 24 | RD5 — I/O port D, bit 5 |
| Pin 25 | RD6 — I/O port D, bit 6 |
| Pin 26 | RD7 — I/O port D, bit 7 |
| Pin 27 | RE0 — I/O port E, bit 0 |
| Pin 28 | RE1 — I/O port E, bit 1 |
| Pin 29 | RE2 — I/O port E, bit 2 |
| Pin 30 | RE3 — I/O port E, bit 3 |
| Pin 31 | RA0 — I/O port A, bit 0 |
| Pin 32 | RA1 — I/O port A, bit 1 |
| Pin 33 | RA2 — I/O port A, bit 2 |
| Pin 34 | RA3 — I/O port A, bit 3 |
| Pin 35 | RA4 — I/O port A, bit 4 |
| Pin 36 | RA5 — I/O port A, bit 5 |
| Pin 37 | VSS — Ground (additional bond-out) |
| Pin 38 | VDD — Positive supply (additional bond-out) |
| Pin 39 | OSC1 — Crystal/oscillator input |
| Pin 40 | OSC2 — Crystal/oscillator output |
Typical Applications
PIC16LF1779-E/MV is suitable for 7 applications: LED Lighting Controllers, Switched-Mode Power Supply (SMPS) Digital Control, Battery Chargers and Power Management, Sensor Signal Conditioning and IoT Edge Nodes, Small Brushless DC (BLDC) Motor and Fan Controllers, Automotive Interior and Lighting Body Electronics, Industrial Control and Process Instrumentation.
LED Lighting Controllers
The PIC16LF1779-E/MV's 16-bit PWM, multiple programmable ramp generators, op-amps, and 10-bit ADC make it a strong fit for digital LED lighting controllers. Its XLP nanoWatt architecture keeps quiescent current in the nanoampere range during standby, extending battery life in portable or emergency luminaires. The 40-UQFN 5x5 mm footprint also fits inside compact MR16/AR111 lamp base designs.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
The PIC16LF1779-E/MV's CIP analog peripherals (high-resolution PWM, op-amps, comparators, ramp generators) enable closed-loop control of buck, boost, and flyback converters without CPU intervention. The 32 MHz core and 28 KB Flash allow implementation of digital compensators, adaptive dead-time, and frequency modulation. The LF 1.8-3.6 V range suits low-voltage point-of-load applications.
Recommended
Battery Chargers and Power Management
With on-chip op-amps for current sensing, 10-bit ADC for voltage/temperature monitoring, and LF nanoWatt sleep currents, the PIC16LF1779-E/MV is well matched to multi-chemistry battery charger designs (Li-Ion, NiMH, lead-acid). The extended -40°C to +125°C grade handles automotive and outdoor solar charger profiles. The 40-UQFN footprint accommodates dense charger PCBs with multiple rail monitoring.
Recommended
Sensor Signal Conditioning and IoT Edge Nodes
The PIC16LF1779-E/MV's integrated op-amps and comparators can condition analog sensor signals (thermistors, RTDs, load cells) before the 10-bit ADC, eliminating external analog front-end components. The XLP LF sleep current is critical for battery-powered IoT edge nodes that wake periodically, transmit, and return to sleep. The 28 KB Flash supports lightweight protocol stacks such as Modbus RTU or proprietary sub-GHz schemes.
Recommended
Small Brushless DC (BLDC) Motor and Fan Controllers
Sensorless BLDC motor and fan controllers benefit from the PIC16LF1779-E/MV's complementary PWM outputs, programmable dead-time, and analog comparators for back-EMF zero-crossing detection. The CIP peripherals drive commutation timing deterministically without CPU load, while the LF voltage range fits battery-powered fan and small appliance use cases. The -E extended temperature grade supports automotive underhood fans.
Recommended
Automotive Interior and Lighting Body Electronics
The extended -40°C to +125°C temperature range and 28 KB Flash make the PIC16LF1779-E/MV a strong fit for automotive interior lighting, ambient light controllers, and small body modules. It can manage CAN-LIN transceivers, RGBW LED strings, and capacitive touch sensing using its built-in comparators and op-amps. Note that automotive safety-critical modules require AEC-Q100 qualified variants; the -E/MV is the industrial-grade version.
Recommended
Industrial Control and Process Instrumentation
With its extended temperature grade, integrated 10-bit ADC, multiple PWM channels, and 40-UQFN footprint for compact designs, the PIC16LF1779-E/MV is suited to industrial control loops, small PLCs, and process instrumentation. The CIP peripherals allow autonomous PID loops to run on-chip, offloading the CPU for HMI or communication tasks. Its Flash endurance supports long-life industrial installations.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF1779-E/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1779-E/MV | PIC16LF1778-E/MV | PIC16LF15385-I/MV | PIC16LF15376-E/MV | PIC16LF1503-I/MV |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-UQFN (MV) 5x5 mm | 40-UQFN (MV) 5x5 mm - same | 40-UQFN (MV) 5x5 mm - same | 40-UQFN (MV) 5x5 mm - same | 40-UQFN (MV) 5x5 mm - same | 40-UQFN (MV) 5x5 mm - same |
| Core | PIC16 8-bit 32 MHz | PIC16 8-bit 32 MHz | PIC16 8-bit 32 MHz | PIC16 8-bit 32 MHz | PIC16 8-bit 32 MHz | PIC16 8-bit 16 MHz |
| Flash Memory | 28 KB | 28 KB | 28 KB | 14 KB | 14 KB | 3.5 KB |
| RAM | 2 KB | 2 KB | 1 KB | 1 KB | 1 KB | 128 B |
| Supply Voltage | 1.8 V to 3.6 V (LF) | 2.3 V to 5.5 V (F) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) | 1.8 V to 3.6 V (LF) |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Operating Temperature | -40°C to +125°C (-E) | -40°C to +125°C | -40°C to +125°C | -40°C to +85°C (-I) | -40°C to +125°C (-E) | -40°C to +85°C (-I) |
Key Differentiators
- Highest Flash and RAM in PIC16LF177x family in 40-UQFN (vs PIC16LF1778-E/MV)
- Full CIP (Core Independent Peripheral) analog feature set (vs PIC16LF15385-I/MV)
- Extended -40°C to +125°C grade (-E suffix) (vs PIC16LF15385-I/MV (industrial -I grade))
Design Notes
The 40-UQFN (MV) 5x5 mm package uses an exposed thermal pad that must be soldered to a continuous copper pour to meet the datasheet thermal resistance specification. A minimum 1 sq. inch of 1 oz copper on the top layer connected to the exposed pad is recommended. Estimated: at 32 MHz CPU + multiple active analog peripherals, total power dissipation is approximately 15 mW; without the pad properly soldered, junction temperature may rise 10-15°C above ambient at +85°C ambient, reducing device lifetime.
The LF variant operates from 1.8 V to 3.6 V. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin, plus a bulk 1-10 µF tantalum or ceramic on the supply rail. For the PIC16LF1779-E/MV's exposed pad (which bonds to VSS internally), ensure low-impedance ground stitching vias around the pad to avoid supply noise coupling into the 10-bit ADC.
Place the ICSP clock (ICSPCLK/RB3) and ICSP data (ICSPDAT/RB2) pins on accessible test pads or header pins for in-circuit programming and debug. The PIC16LF1779-E/MV shares these signals with general-purpose I/O, so the circuit must allow them to be driven externally without contention. Use 4.7 kΩ pull-up resistors on ICSPCLK and ICSPDAT to VDD for production stability.
Do not exceed the 3.6 V maximum VDD - the LF variant is permanently damaged above ~4 V. Use a 3.3 V LDO such as Microchip MCP1700 or MCP1755 with adequate decoupling. When migrating from PIC16F1779 (5 V) to PIC16LF1779 (3.3 V), re-evaluate any external analog signal levels to avoid exceeding the LF ADC's input range. The internal 32 MHz oscillator requires the HFINTOSC to be selected via configuration bits - a common startup issue is leaving the FOSC configuration on the default EC mode.
Keep analog signal traces (ADC inputs, op-amp inputs) short and away from switching signals (PWM outputs, ICSP clock). Route the analog VDD/VSS pairs separately if the layout allows. The PIC16LF1779-E/MV's on-chip op-amps benefit from guard rings around their inputs for high-impedance sensor interfaces. Avoid running digital signals under the exposed pad region to minimize coupling into the analog ground.
Compliance Information
RoHS compliant per Microchip product page and Safe-IC listing. -E suffix denotes extended temperature grade (-40°C to +125°C) but not formal AEC-Q100 qualification. For AEC-Q100 automotive applications, use the PIC16F1779-E/MV automotive variant or consult Microchip for Q-graded part numbers.
