PIC16LF1574T-I/ST - 8-bit MCU, 7KB Flash, 32MHz | Microchip
Teilenummer: PIC16LF1574T-I/ST ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $1.17 | $1,17 |
| 10 | $1.05 | $10,50 |
| 100 | $0.91 | $91,00 |
| 500 | $0.78 | $390,00 |
| 1.000 | $0.69 | $690,00 |
| 2.500 | $0.6 | $1.500,00 |
PIC16LF1574T-I/ST Übersicht
What is an 8-bit PIC microcontroller? A PIC (Peripheral Interface Controller) microcontroller is a compact, low-power CMOS IC that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and configurable peripherals on a single die. PIC MCUs belong to the broader class of microcontrollers -> embedded processors -> digital ICs -> semiconductors, and are widely used for deterministic control tasks. The PIC16 series emphasizes low pin count, ultra-low power, and rich analog/motor-control peripherals.
Key features include a 10-bit ADC with multiple channels, a 5-bit DAC, enhanced Universal Synchronous/Asynchronous Receiver Transmitter (EUSART), Peripheral Pin Select (PPS) for flexible signal routing, a Complementary Waveform Generator (CWG), and a 16-bit PWM with multiple duty-cycle modes. The device also includes an enhanced comparator, configurable logic cell (CLC) blocks, and the nanoWatt XLP technology for ultra-low-power sleep operation.
The PIC16LF1574T-I/ST uses a Harvard architecture with separate code and data buses, an internal 32MHz oscillator, and the standard 14-bit instruction set used by mid-range PIC16 devices. This architecture delivers predictable interrupt latency (instruction-cycle deterministic) and efficient C compilation via MPLAB XC8, while PPS enables remapping of digital peripherals to almost any I/O pin.
Typical applications include LED lighting control, battery-powered IoT sensor nodes, small appliance motor control (BLDC/PMSM drivers), consumer electronics user interfaces, and low-cost wireless sensor platforms. The 5-bit DAC and CWG combination is well-suited for tunable white-LED and RGB color-mixing designs, while the 10-bit ADC handles thermistor, photocell, and current-sense feedback.
When designing with this device, ensure VDD decoupling uses a 100nF ceramic capacitor placed within 5mm of the VDD pin, and consider using the nanoWatt XLP sleep modes (typical <1uA) for battery-life targets exceeding one year. PPS must be configured in firmware before peripheral use, since peripherals default to disabled.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design guidance that complements the manufacturer datasheet without duplicating it.
Drop-in-Alternativen für PIC16LF1574T-I/ST – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC16LF1574T-I/ST (gleiche Bauform und Footprint) – abweichend in Package, Program Memory (Flash), Core Architecture, ADC, Data RAM.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC16LF1574-I/ST
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$0.85 / Stück
Datenblatt ansehen →PIC16LF1574-E/ST
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
PIC16F1574T-I/ST
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$0.86 / Stück
Datenblatt ansehen →PIC16LF1554T-I/ST
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$0.95 / Stück
Datenblatt ansehen →PIC16LF1554-I/ST
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$0.85 / Stück
Datenblatt ansehen →PIC16LF1454T-I/ST
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$1.1 / Stück
Datenblatt ansehen →PIC16LF1574T-I/ST Grenzwerte & elektrische Eigenschaften
| Core Architecture | 8-bit PIC (Enhanced Mid-Range) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 512 B |
| CPU Speed (max) | 32 MHz |
| Instruction Set Width | 14-bit |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| ADC | 10-bit, multi-channel |
| DAC | 5-bit |
| PWM Channels | 16-bit PWM |
| Comparators | Yes (enhanced) |
| EUSART | Yes (1x) |
| Peripheral Pin Select (PPS) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Gehäuse | 14-pin TSSOP (ST) |
| Betriebstemperatur | -40C to +85C (Industrial) |
| Montageart | Surface Mount |
| RoHS-Status | Compliant |
PIC16LF1574T-I/ST Pin-Konfiguration
| Pin 1 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pin 2 | RA5 — Bidirectional I/O / analog input / PPS-mappable peripheral |
| Pin 3 | RA4 — Bidirectional I/O / analog input |
| Pin 4 | RA3/MCLR/VPP — Input only / Master Clear reset / programming voltage |
| Pin 5 | RC5 — Bidirectional I/O / analog input / PPS-mappable |
| Pin 6 | RC4 — Bidirectional I/O / analog input / PPS-mappable |
| Pin 7 | RC3 — Bidirectional I/O / analog input / EUSART PPS-mappable |
| Pin 8 | RC2 — Bidirectional I/O / analog input |
| Pin 9 | RC1 — Bidirectional I/O / analog input / EUSART PPS-mappable |
| Pin 10 | RC0 — Bidirectional I/O / analog input |
| Pin 11 | RA2 — Bidirectional I/O / analog input / DAC output |
| Pin 12 | RA1 — Bidirectional I/O / analog input / DAC reference |
| Pin 13 | RA0 — Bidirectional I/O / analog input |
| Pin 14 | VSS — Ground reference (0V) |
Typische Anwendungen
PIC16LF1574T-I/ST ist geeignet für 7 Anwendungs: LED Lighting Control (Tunable White / RGB), Battery-Powered IoT Sensor Node, Small Appliance BLDC / PMSM Motor Control, Consumer Electronics User Interface, Automotive Interior Lighting / Body Electronics, Industrial Sensor Conditioning & Process Monitoring, Portable Medical Monitoring Devices.
LED Lighting Control (Tunable White / RGB)
The PIC16LF1574T-I/ST is well suited for LED lighting drivers because it combines a 5-bit DAC for color-mixing reference, a Complementary Waveform Generator (CWG) for dead-band-controlled half-bridge drive, and the nanoWalt XLP sleep modes that keep standby current below 1 uA. Its 1.8V-3.6V supply matches single-cell Li-ion or 2x AA alkaline packs common in retrofit bulbs. The CLC blocks can implement fade logic in hardware without CPU wake-ups, easing real-time load on the MCU.
Empfohlen
Battery-Powered IoT Sensor Node
For IoT sensor nodes the PIC16LF1574T-I/ST's 1.8V-3.6V range, 7KB Flash for protocol stacks, and nanoWatt XLP sleep currents below 1 uA extend battery life beyond one year on a single CR2032. The 10-bit ADC reads thermistor, photocell, or current-sense signals directly, while the EUSART links to sub-GHz transceivers like the MRF89XA. PPS lets the designer remap EUSART and ADC pins to avoid PCB re-spins when adding sensors.
Empfohlen
Small Appliance BLDC / PMSM Motor Control
The PIC16LF1574T-I/ST drives small BLDC and PMSM motors using its Complementary Waveform Generator (CWG), 16-bit PWM, and enhanced comparator for back-EMF zero-cross detection. The 5-bit DAC sets a programmable reference for current-sense comparators, while 32MHz CPU headroom runs sensorless startup algorithms. The TSSOP-14 footprint suits space-constrained appliance PC boards like fan controllers or small pump drivers.
Empfohlen
Consumer Electronics User Interface
The PIC16LF1574T-I/ST handles capacitive touch, rotary encoder inputs, and LED feedback in user-interface modules through its CLC blocks, 10-bit ADC for slider/potentiometer read, and PWM for LED brightness control. The 1.8V operation suits direct connection to coin-cell or 2x AAA supplies. PPS enables reassignment of interrupt-on-change pins without PCB changes, accelerating mechanical redesigns.
Empfohlen
Automotive Interior Lighting / Body Electronics
The PIC16LF1574T-I/ST can be used for non-safety automotive interior functions like ambient lighting, HVAC flap control, or seat-position memory switches where AEC-Q100 qualification is not mandatory. Its 1.8V-3.6V supply matches modern body-control modules, and the CLC/CWG features simplify RGB strip and stepper-motor actuation. For AEC-Q100-required functions, choose the PIC16F1574-E/ST extended-temperature variant.
Empfohlen
Industrial Sensor Conditioning & Process Monitoring
The PIC16LF1574T-I/ST handles 4-20mA loop-powered sensor conditioning, RTD/thermistor linearization, and Modbus RTU slave communications in industrial monitoring applications. The 10-bit ADC reads bridge, thermocouple, or 4-20mA shunt signals directly, while the EUSART interfaces to RS-485 transceivers. The TSSOP-14 footprint and 1.8V operation suit DIN-rail mount modules with isolated DC-DC supplies.
Empfohlen
Portable Medical Monitoring Devices
The PIC16LF1574T-I/ST powers portable medical peripherals like pulse oximeters, glucose-meter interfaces, and wearable thermometers where low power, small package, and reliable ADC performance are critical. Its 1.8V-3.6V range runs from single-cell Li-ion or 2x coin cells, while the 10-bit ADC digitizes photodiode or thermistor signals at low duty cycles. PPS enables flexible PCB routing in tight wearable enclosures.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC16LF1574T-I/ST – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC16LF1574-I/ST | PIC16LF1574-E/ST | PIC16F1574T-I/ST | PIC16LF1554T-I/ST | PIC16LF1454T-I/ST |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TSSOP-14 | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same | TSSOP-14 - same |
| Flash Memory | 7 KB (4K x 14) | 7 KB - same | 7 KB - same | 7 KB - same | 4 KB (-43%) | 4 KB (-43%) |
| RAM | 512 B | 512 B - same | 512 B - same | 512 B - same | 256 B (-50%) | 512 B - same |
| CPU Frequency (max) | 32 MHz | 32 MHz - same | 32 MHz - same | 32 MHz - same | 32 MHz - same | 32 MHz - same |
| Supply Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| ADC | 10-bit | 10-bit - same | 10-bit - same | 10-bit - same | 10-bit - same | 10-bit - same |
| DAC | 5-bit | 5-bit - same | 5-bit - same | 5-bit - same | Not present | Not present |
| PWM | 16-bit | 16-bit - same | 16-bit - same | 16-bit - same | 10-bit (lower res) | 10-bit (lower res) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C (extended) | -40C to +85C | -40C to +85C | -40C to +85C |
Wichtigste Unterscheidungsmerkmale
- Includes 5-bit DAC and CWG peripherals absent in PIC16LF1554 (vs. PIC16LF1554T-I/ST)
- Lower VDD range than PIC16F1574 enables single-cell Li-ion designs (vs. PIC16F1574T-I/ST)
- Extended temperature variant available in same TSSOP-14 package (vs. PIC16LF1574-E/ST)
Designhinweise
Place a 100 nF decoupling capacitor within 5 mm of the VDD pin and a 10 uF bulk capacitor near the board's supply entry point. For battery-powered designs, use the nanoWatt XLP sleep modes (typical <1 uA standby) and configure PPS in firmware before enabling peripherals. The 1.8V-3.6V range supports direct connection to a single Li-ion cell or 2x AA alkalines without boost regulators.
The TSSOP-14 footprint requires careful thermal relief on the VDD/VSS pads to avoid cold-solder joints during reflow. Estimated: at 32 MHz and 3.3V, the device draws ~6 mA active, producing negligible junction heating - no thermal copper pour is required. Keep analog input traces short and routed away from PWM outputs to minimize ADC noise coupling.
PPS must be configured in firmware before peripheral use - peripherals default to disabled. The MCLR/RA3 pin (pin 4) requires a 10 kohm pull-up to VDD for normal operation; leaving it floating causes unintended resets. The 5-bit DAC output requires enabling the DACCON register before applying the reference voltage. Verify voltage ratings before interfacing to 5V sensors.
Compliance-Informationen
RoHS and REACH compliant per Microchip product page. AEC-Q100 not qualified - for automotive-grade functionality, choose the PIC16LF1574-E/ST extended temperature variant (non-AEC-Q100) or upgrade to AEC-Q100 qualified PIC16F1574 family members.
