PIC16LF1579-I/GZ - 8-bit MCU, 14KB, 16-bit PWM | Microchip
MPN: PIC16LF1579-I/GZ ✓ فعالPIC16LF1579-I/GZ جائزہ
A PIC microcontroller is a Harvard-architecture RISC MCU widely used in embedded systems for deterministic control loops. PIC16 devices occupy the entry-to-mid-range tier of the Microchip portfolio (PIC10/12/16/18/24/32 families), offering 8-bit data path, low pin counts (8-64), and integrated peripherals such as ADC, PWM, comparators, and communication modules. PIC16 MCUs sit within the broader hierarchy of microcontroller -> semiconductor, balancing cost, power consumption, and capability for high-volume consumer and industrial products.
Key specifications include 14 KB (8K x 14 words) of self-programmable Flash, 1 KB SRAM, 256 bytes of EEPROM, a 10-bit ADC with up to 12 channels, four 16-bit PWMs with independent timers for high-resolution LED and motor drive, and multiple communication peripherals (EUSART, I2C/SPI, MSSP). The UQFN-20 (4x4 mm) package delivers a compact footprint suited to space-constrained PCB designs, and the exposed pad aids thermal dissipation. Industrial temperature grade (-40C to +85C) is indicated by the -I suffix in the part number.
Architecturally, the PIC16LF1579 uses an enhanced mid-range core with a 14-bit instruction word, hardware multiplier, and the nanoWatt XLP extreme-low-power technology for sleep currents in the microamp range. The integrated 16-bit PWM module is the headline differentiator versus general PIC16 mid-range MCUs that ship with 10-bit PWMs only, enabling finer dimming steps in dimmable lighting and smoother torque control in small BLDC or stepper systems. The device supports ICD (In-Circuit Debug) via standard two-wire programming/debug pins.
Typical applications include LED lighting and color-mixing drivers, DC-DC or LED buck/boost control loops, small motor and fan control, consumer appliance control boards, battery-powered IoT sensor nodes, and general-purpose timing/counter replacements. The combination of 16-bit PWM, ADC, and tiny UQFN footprint makes it attractive for high-density lighting PCB arrays where many independent channels must fit on a small board.
When designing with the PIC16LF1579-I/GZ, mind the 3.6 V absolute maximum on VDD: this is a 3.3 V logic part, not a 5 V tolerant variant. Decouple VDD/VBAT with at least 100 nF plus 10 uF bulk, place the exposed pad on a contiguous ground copper pour, and confirm programming/debug header access for in-circuit updates. For automotive-grade requirements, consider the PIC16F1579 extended-temperature counterpart instead.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes not found in the manufacturer datasheet alone - giving procurement and design engineers a single reference for both selection and second-source validation.
کے لیے ڈراپ اِن متبادل PIC16LF1579-I/GZ — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16LF1579-I/GZ (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Program Memory (Flash), ADC, Core, Core Architecture.
PIC16F1579-I/GZ
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1578-I/GZ
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1578-I/GZ
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16LF15344T-I/GZ
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1509-I/GZ
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1579-I/GZ زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Family | PIC16(L)F157x |
| Core | PIC16 8-bit RISC (enhanced mid-range) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data Memory (SRAM) | 1 KB |
| EEPROM | 256 bytes |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 10-bit, up to 10/12 channels (device variant dependent) |
| PWM Channels | 4 x 16-bit with independent timers |
| Comparators | Yes (on-chip) |
| Communication | EUSART, MSSP (I2C/SPI) |
| I/O Pins | Up to 18 (package dependent) |
| Timers | 8-bit and 16-bit timers (multiple) |
| پیکیج | 20-pin UQFN (4x4 mm) with Exposed Pad |
| Temperature Grade | Industrial, -40C to +85C (per -I suffix) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
| Lead-Free | Yes |
PIC16LF1579-I/GZ پن کنفیگریشن
| پن 1 | RA5 — Digital I/O / ADC input |
| پن 2 | RA4 — Digital I/O / ADC input |
| پن 3 | RA3 — Digital I/O / MCLR |
| پن 4 | RA2 — Digital I/O / ADC input |
| پن 5 | RA1 — Digital I/O / ICSPCLK |
| پن 6 | RA0 — Digital I/O / ICSPDAT |
| پن 7 | VSS — Ground |
| پن 8 | RC0 — Digital I/O / PWM |
| پن 9 | RC1 — Digital I/O / PWM |
| پن 10 | RC2 — Digital I/O / PWM |
| پن 11 | RC3 — Digital I/O / PWM |
| پن 12 | RC4 — Digital I/O |
| پن 13 | RC5 — Digital I/O |
| پن 14 | RC6 — Digital I/O / TX |
| پن 15 | RC7 — Digital I/O / RX |
| پن 16 | VDD — Positive supply (1.8-3.6 V) |
| پن 17 | RB7 — Digital I/O / ADC |
| پن 18 | RB6 — Digital I/O / ADC |
| پن 19 | RB5 — Digital I/O / ADC |
| پن 20 | RB4 — Digital I/O / ADC |
عام استعمالات
PIC16LF1579-I/GZ کے لیے موزوں ہے 6 ایپلیکیشنs: Dimmable LED Lighting Driver, Brushless DC (BLDC) Fan Control, Battery-Powered IoT Sensor Node, Consumer Appliance Control Board, High-Density RGBW LED Strip Controller, Precision Timer / PWM Generator Module.
Dimmable LED Lighting Driver
The PIC16LF1579-I/GZ fits dimmable LED driver designs via its four independent 16-bit PWMs and 1.8-3.6 V operating range. With 16-bit resolution (65,536 steps per period), this MCU delivers smooth, flicker-free dimming curves below 0.1% duty, matching human eye perception. Each PWM channel drives a constant-current LED driver IC such as the Microchip CL6 or Linear Technology LT3743, while the integrated 10-bit ADC reads back thermistor or ambient-light sensor for closed-loop brightness and thermal foldback. The 14 KB Flash fits color-mixing firmware with multiple CCT zones, and the UQFN-20 (4x4 mm) footprint places four independent channels in a tiny PCB area. Unlike 10-bit PWM, 16-bit resolution eliminates visible flicker at low duty cycles in architectural lighting installations.
تجویز کردہ
Brushless DC (BLDC) Fan Control
The PIC16LF1579-I/GZ is appropriate for small BLDC fan and motor control boards requiring precise torque and speed loops. Its four 16-bit PWMs generate complementary three-phase gate-drive signals with adjustable dead-time via the PWM dead-band control, while the integrated comparators handle zero-cross detection from BEMF feedback without external op-amps. Operating at 32 MHz from a 3.3 V supply, the device performs sensorless back-EMF commutation within a tight interrupt budget, and the 14 KB Flash stores multi-speed profiles with soft-start ramps. The UQFN-20 (4x4 mm) keeps the MCU footprint smaller than a typical SOT-23-6 gate driver. Choose this device for closed-loop control in low-power ceiling fans, server fans, and small drone ESCs.
تجویز کردہ
Battery-Powered IoT Sensor Node
The PIC16LF1579-I/GZ suits battery-powered wireless sensor nodes thanks to its nanoWatt XLP extreme-low-power sleep current (typically <100 nA in deep sleep) and 1.8 V minimum VDD that allows direct connection to a single Li-ion cell or 2x AA alkaline pack. The integrated 10-bit ADC samples a sensor (temperature, light, PIR motion) while the MCU sleeps most of the time, and the EUSART or I2C connects directly to a low-power RF transceiver like the Semtech SX1278 LoRa modem. The 14 KB Flash fits a moderate LoRaWAN stack or Zigbee cluster library. The UQFN-20 footprint suits coin-cell sensor enclosures where PCB area is below 10x10 mm.
تجویز کردہ
Consumer Appliance Control Board
The PIC16LF1579-I/GZ is well-suited to consumer appliance control boards (coffee makers, blenders, air purifiers) where a low-cost 8-bit MCU drives user interface, timer control, and motor regulation. Its four 16-bit PWMs manage heating-element PWM, fan speed, pump control, and indicator LED dimming simultaneously, while the 10-bit ADC reads NTC thermistor or rotary encoder position. The 14 KB Flash supports menu state machines and capacitive-touch firmware using the mTouch peripheral. The UQFN-20 (4x4 mm) footprint is small enough for a single-layer board inside the appliance housing. Industrial-grade -40 to +85C rating handles under-hood automotive or kitchen oven environments.
تجویز کردہ
High-Density RGBW LED Strip Controller
The PIC16LF1579-I/GZ fits pixel-strip and architectural LED controllers requiring many independent high-resolution PWM channels. Four 16-bit PWMs drive four parallel LED driver strings, each daisy-chained to TI TLC59401 or similar current sinks for up to 16 LEDs per string at 65,536 brightness steps. The 32 MHz core executes per-channel color-correction algorithms and gamma compensation in real time, and the 14 KB Flash stores 32-bit color lookup tables. The UQFN-20 (4x4 mm) package fits 5 mm-wide LED strip PCB cutouts. The 1.8-3.6 V range simplifies the controller selection by supporting direct 3.3 V regulation, common in low-power commercial lighting.
تجویز کردہ
Precision Timer / PWM Generator Module
The PIC16LF1579-I/GZ is well-suited as a stand-alone precision timer or PWM generator module in industrial control cabinets, replacing discrete 555 timers with software-configurable precision. Its 16-bit PWM options generate 1 Hz to 32 kHz output with sub-microsecond accuracy, while the 32 MHz instruction cycle supports deterministic interrupt handling for synchronous motor drives. The MSSP peripheral drives I2C/SPI to interface with industrial sensor HATs and PLC backplanes, and the 14 KB Flash stores PID-tuning profiles. The UQFN-20 (4x4 mm) is suitable for the back of a DIN-rail mount module where PCB space is at a premium.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF1579-I/GZ — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F1579-I/GZ | PIC16F1578-I/GZ | PIC16LF1578-I/GZ | PIC16LF15344T-I/GZ | PIC16LF1509-I/GZ |
|---|---|---|---|---|---|---|
| Package | 20-pin UQFN (4x4 mm) | 20-pin UQFN (4x4 mm) - same | 20-pin UQFN (4x4 mm) - same | 20-pin UQFN (4x4 mm) - same | 20-pin UQFN (4x4 mm) - same | 20-pin UQFN (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 14 KB | 14 KB | 7 KB | 7 KB | 7 KB | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| PWM Resolution | 16-bit | 16-bit | 16-bit | 16-bit | 10-bit | 10-bit |
| PWM Channels | 4 | 4 | 4 | 4 | 4 | 4 |
| Maximum CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 20 MHz |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
اہم امتیازی خصوصیات
- Four 16-bit PWMs versus PIC16LF1509-I/GZ four 10-bit PWMs (بمقابلہPIC16LF1509-I/GZ)
- 14 KB Flash versus PIC16LF1578-I/GZ 7 KB Flash (بمقابلہPIC16LF1578-I/GZ)
- 32 MHz CPU clock versus PIC16LF1509-I/GZ 20 MHz (بمقابلہPIC16LF1509-I/GZ)
ڈیزائن نوٹس
Estimated power consumption at 32 MHz active mode is approximately 6 mA from a 3.3 V supply (typical 2 mA/MHz for PIC16 enhanced mid-range). In sleep mode, the nanoWatt XLP variant typically draws below 100 nA with WDT disabled, enabling multi-year battery life on a CR2032 coin cell if the MCU wakes only a few times per day. Always place a 100 nF decoupling capacitor within 2 mm of the VDD pin and a 10 uF bulk capacitor near the IC, plus a 100 nF on the EPAD ground pour.
The UQFN-20 (4x4 mm) package has a center exposed thermal pad that must be soldered to a contiguous ground copper pour (recommended at least 10x10 mm) for thermal dissipation and electrical ground. Per the Microchip PIC16LF1579 package outline, do not route traces under the EPAD, and use a 0.3 mm via array (thermal vias) under the pad connecting top-side bottom-side copper pour - dropping thermal impedance to ~25 C/W.
Do not exceed the 3.6 V absolute maximum on VDD - the LF variant is not 5 V tolerant; for 5 V systems use PIC16F1579. Always configure the MCLR pin correctly: tie to VDD via 10 kOhm resistor for normal operation, or leave open if unused only in production. Failure to enable low-voltage programming (LVP) bit in CONFIG words can lock the device; always verify CONFIG bits with MPLAB X before final code commit.
Keep analog (ADC) traces short and routed over a continuous ground pour to minimize digital coupling noise into ADC readings. Place the analog reference decoupling capacitor (typically 100 nF) within 3 mm of the AVREF or VREF+ pin. When using the 16-bit PWM outputs to drive external FETs, place a 100 ohm series gate resistor within 5 mm of the FET gate to dampen ringing, and route gate-drive traces away from analog signal paths.
تعمیل کی معلومات
RoHS and REACH compliant per DigiKey product listing (5033558). Industrial temperature grade (-40 to +85C) only - for automotive AEC-Q100 qualified alternatives, choose PIC16F1579 with extended qualification. Lead-free and halogen-free per Microchip product specifications.
