PIC16LF1579T-I/SS - 32MHz 8-bit MCU 14KB Flash | Microchip
Référence : PIC16LF1579T-I/SS ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.32 | $1,32 |
| 10 | $1.18 | $11,80 |
| 100 | $1.05 | $105,00 |
| 500 | $0.92 | $460,00 |
| 1 000 | $0.81 | $810,00 |
PIC16LF1579T-I/SS Présentation
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, on-chip RAM, Flash program memory, and a wide set of peripheral modules. It belongs to the microcontroller family within the broader integrated-circuit hierarchy, which also includes microprocessors, DSPs, and FPGAs. MCUs are the workhorse of embedded systems, sitting below application processors and above simple digital logic in design complexity, and they are chosen when deterministic real-time behaviour, low power, and integrated peripherals outweigh raw throughput.
Key features of the PIC16LF1579 include four 16-bit PWMs that suit high-resolution LED lighting and motor control, a 10-bit ADC, a 5-bit DAC, a comparator, CWG (Complementary Waveform Generator), and PPS (Peripheral Pin Select). The EUSART module plus the PIC's standard core deliver low-power typical active currents in the µA-per-MHz range, and the 1.8V minimum VDD allows direct operation from a single Li-ion cell.
The architecture is a Harvard-style RISC core with a 14-bit instruction word and a small, deterministic instruction set that is well documented for C and MPLAB X development. Integrated peripherals are mapped through PPS, allowing digital functions such as EUSART, PWM, and CWG outputs to be assigned to a wide range of physical pins, which simplifies PCB routing in the SSOP-20 footprint.
Typical applications include high-resolution LED drivers, motor control, lighting control, and general-purpose 8-bit embedded designs. The wide 1.8V to 3.6V range makes it ideal for battery-powered or energy-harvesting products, while the four 16-bit PWM outputs suit multi-channel dimming.
When designing with this part, ensure that the SSOP-20 thermal envelope and the 32MHz internal oscillator accuracy match the application's timing budget. For designs targeting longer sleep periods, verify the brown-out reset and watchdog settings to maximise battery life.
This page synthesises distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, and complements the original Microchip datasheet with selection guidance for engineers.
Alternatives de remplacement direct pour PIC16LF1579T-I/SS — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16LF1579T-I/SS (même facteur de forme et même empreinte) — différant par Package, ADC, PWM Channels, DAC, Core Architecture.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16LF1579-I/SS
✅ Remplacement direct✓ En stock
$1.05 / unité
Voir la fiche technique →PIC16LF1579T-I/SO
✅ Remplacement direct✓ En stock
$1.48 / unité
Voir la fiche technique →PIC16LF1579-E/SS
✅ Remplacement direct✓ En stock
$1.08 / unité
Voir la fiche technique →PIC16LF1578-I/SS
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$0.62 / unité
Voir la fiche technique →PIC16LF15354T-I/SS
✅ Remplacement direct✓ En stock
$1.16 / unité
Voir la fiche technique →PIC16LF1559T-I/SS
✅ Remplacement direct✓ En stock
$1.28 / unité
Voir la fiche technique →PIC16LF1579T-I/SS Valeurs maximales et caractéristiques électriques
| Core | 8-bit PIC16 RISC |
| Family | PIC PIC® 16F |
| Program Memory Size | 14 KB (8K x 14) Flash |
| RAM Size | 1 KB |
| Maximum CPU Frequency | 32 MHz |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Plage de température de fonctionnement | -40 C to +85 C (Industrial) |
| Boîtier | 20-pin SSOP (0.209 inch body width) |
| Type de montage | Surface Mount |
| ADC | 10-bit |
| DAC | 5-bit |
| PWM Channels | 4 x 16-bit PWM |
| Communication Interfaces | EUSART |
| Peripheral Features | CWG (Complementary Waveform Generator), PPS (Peripheral Pin Select), Comparator |
| Statut RoHS | Compliant |
Configuration des broches de PIC16LF1579T-I/SS
| Broche 1 | RA5 — Digital I/O / analog input |
| Broche 2 | RA4 — Digital I/O / analog input |
| Broche 3 | RA3 — Digital I/O / analog input |
| Broche 4 | RA2 — Digital I/O / analog input |
| Broche 5 | RA1 — Digital I/O / analog input / DAC output |
| Broche 6 | RA0 — Digital I/O / analog input |
| Broche 7 | VSS — Ground |
| Broche 8 | RA7 — Digital I/O / oscillator |
| Broche 9 | RA6 — Digital I/O / oscillator |
| Broche 10 | RC0 — Digital I/O |
| Broche 11 | RC1 — Digital I/O |
| Broche 12 | RC2 — Digital I/O |
| Broche 13 | RC3 — Digital I/O |
| Broche 14 | RC4 — Digital I/O |
| Broche 15 | RC5 — Digital I/O |
| Broche 16 | RC6 — Digital I/O |
| Broche 17 | RC7 — Digital I/O |
| Broche 18 | RB7 — Digital I/O |
| Broche 19 | VDD — Positive supply |
| Broche 20 | RB4 — Digital I/O |
Applications typiques
PIC16LF1579T-I/SS convient pour 6 applications: High-Resolution LED Lighting Control, Battery-Powered IoT Edge Devices, Small Motor Control / Fan Driver, Sensor Hub / Data Aggregator, Consumer Remote Control / HMI, Industrial Control / Lighting Driver.
High-Resolution LED Lighting Control
The PIC16LF1579T-I/SS suits multi-channel LED lighting because it has four 16-bit PWMs, which provide >16 bits of effective resolution at 32MHz for smooth dimming without visible flicker. Its 1.8V to 3.6V supply lets it run directly from a single-cell Li-ion or 2xAA battery stack, eliminating the boost stage that many LED controllers require. The 10-bit ADC reads ambient light sensors for closed-loop brightness control. Designers can drive four LED strings in software-managed PWM mode and reuse firmware across product variants via Flash-resident lookup tables.
Recommandé
Battery-Powered IoT Edge Devices
The PIC16LF1579T-I/SS is ideal for battery-powered IoT edge nodes because of its 1.8V minimum VDD, which permits direct operation from a single Li-ion cell (3.0V-4.2V) without a boost converter. The PIC16 mid-range core delivers 8 MIPS at 32MHz, ample for sensor reads, edge filtering, and EUSART-based communication. The low-power sleep modes plus the comparator and 5-bit DAC support ultra-low-power wake-on-event designs. According to the Microchip datasheet, the LF variant's nanoWatt XLP technology extends battery life into the year range for periodic-sensing applications.
Recommandé
Small Motor Control / Fan Driver
The PIC16LF1579T-I/SS handles small brushed-DC and BLDC motor control because its four 16-bit PWMs suit phase control, and its CWG (Complementary Waveform Generator) drives half-bridge or full-bridge FET stages with programmable dead-time. The 10-bit ADC reads back-EMF or current shunt for closed-loop speed/torque control, while the comparator triggers fast overcurrent protection. The 32MHz core provides 8 MIPS of throughput, more than enough for trapezoidal commutation and PID loops. The 1.8V to 3.6V supply suits 3.3V system rails common in motor-control boards.
Recommandé
Sensor Hub / Data Aggregator
The PIC16LF1579T-I/SS works as a sensor hub because the 10-bit ADC, 5-bit DAC, comparator, and 14KB Flash support multi-channel sensor reads, calibration tables, and digital filtering. PPS lets the EUSART, PWM, and CWG outputs be routed to any of the digital-capable pins, simplifying board layout when sensors are scattered. The 1KB RAM holds raw and averaged data for short windows before forwarding over EUSART to a host MCU. The 32MHz core sustains 8 MIPS, sufficient for moving-average and basic Kalman filtering at 1 kHz sample rates.
Recommandé
Consumer Remote Control / HMI
The PIC16LF1579T-I/SS suits consumer remote-control and HMI designs because of its 1.8V minimum supply (single-cell operation), 32MHz core (responsive button scanning), and 4x16-bit PWMs (can modulate IR carrier frequencies for consumer protocols). The 10-bit ADC reads potentiometers for volume or brightness, while the comparator wakes the device on a button press for ultra-low standby current. The 14KB Flash supports multiple IR code sets, learn-mode, and OTA-style firmware extensions. The SSOP-20 footprint fits slim remote enclosures.
Recommandé
Industrial Control / Lighting Driver
The PIC16LF1579T-I/SS suits industrial control loops because of its 4x16-bit PWMs (multi-channel dimming or proportional valve control), 10-bit ADC (sensor reads), 5-bit DAC (set-point generation), and EUSART (RS485/Modbus via external transceiver). PPS reassigns the EUSART to different pins, simplifying PCB routing when the RS485 transceiver is on the opposite side of the board. The industrial -40 C to +85 C operating range matches factory floor requirements. The 14KB Flash supports Modbus, BACnet, or proprietary lighting-control protocols.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16LF1579T-I/SS — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16LF1579-I/SS | PIC16LF1579T-I/SO | PIC16LF1579-E/SS | PIC16LF1578-I/SS | PIC16LF15354T-I/SS |
|---|---|---|---|---|---|---|
| Package | 20-SSOP | 20-SSOP | 20-SOIC | 20-SSOP | 20-SSOP | 20-SSOP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | 8-bit PIC16 RISC | 8-bit PIC16 RISC | 8-bit PIC16 RISC | 8-bit PIC16 RISC | 8-bit PIC16 RISC | 8-bit PIC16 RISC |
| Flash | 14 KB | 14 KB | 14 KB | 14 KB | 7 KB | 7 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Supply Voltage | 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 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Temperature Grade | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C |
Principaux différenciateurs
- Four 16-bit PWMs for high-resolution LED dimming (vs PIC16LF15354T-I/SS)
- Tape-and-reel packaging for high-volume SMT (vs PIC16LF1579-I/SS)
- Low-voltage operation from a single Li-ion cell (vs PIC16LF1579T-I/SO)
Notes de conception
The PIC16LF1579T-I/SS operates from 1.8V to 3.6V. For battery-powered designs on a single Li-ion cell (3.0V to 4.2V), use an LDO such as MCP1700 to drop to 3.3V; add a 100nF decoupling capacitor close to the VDD pin and a 10uF bulk capacitor on the supply rail. The LF variant's nanoWatt XLP technology allows sleep currents in the sub-microamp range when the oscillator is off, suiting wake-on-event sensor designs.
The 20-pin SSOP (0.209 inch body) requires a 0.65mm pitch land pattern. Place decoupling capacitors (100nF ceramic + 10uF bulk) within 2mm of VDD pin 19 and VSS pin 7. Keep analog inputs (RA0-RA5) away from digital switching traces to avoid ADC noise coupling; route the analog ground separately back to the LDO ground pin if possible.
Avoid selecting the PIC16LF1579T-I/SS when firmware exceeds 14KB Flash — the 1578 sibling halves Flash to 7KB and forces redesign. Do not exceed 32MHz CPU clock; the LF variant's 1.8V minimum does not extend to 5V systems — for 5V rails use the non-LF PIC16F1579T-I/SS variant. PPS pin assignments must be reconfigured after each Reset; ensure firmware re-runs PPS unlock sequence before relying on remapped peripherals.
The 16-bit PWM outputs can produce fast edges with significant harmonic content. Place a small RC filter (100 ohm + 100 pF) on PWM outputs driving long cables or FET gates to limit ringing. The EUSART baud-rate error should stay below 2% for robust communication; use the high-speed baud-rate generator at 32MHz for accurate rates up to 250 kbps.
Informations de conformité
RoHS compliant per Microchip product page; not AEC-Q100 qualified — for automotive applications, look at PIC16F1579-E/SS extended-temperature variant.
