PIC16LF1559-I/SS - 8-Bit 32MHz 14KB Flash MCU | Microchip
N.º da peça: PIC16LF1559-I/SS ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.46 | $2,46 |
| 10 | $2.21 | $22,10 |
| 100 | $1.97 | $197,00 |
| 500 | $1.78 | $890,00 |
| 1.000 | $1.59 | $1.590,00 |
PIC16LF1559-I/SS Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces such as ADC, timers, PWM, and communication ports. Within the broader taxonomy, the PIC16LF1559 sits under: 8-bit MCU -> enhanced mid-range core -> PIC16 family -> PIC® XLP™ (eXtreme Low Power) -> Microchip 16-bit/8-bit microcontroller portfolio -> embedded semiconductor IC.
Key features include two independent 10-bit ADCs with up to 17 analog channels and automated hardware CVD (Capacitive Voltage Divider) modules for mTouch® capacitive sensing, two PWM channels, multiple timers, and XLP ultra-low-power technology for battery-powered designs. The dual-ADC architecture achieves a combined 600k samples/second throughput, while the XLP sleep currents extend battery life in always-on applications.
The enhanced mid-range core delivers 49 single-word instructions and a 125ns instruction cycle, balancing code density with deterministic real-time response. The 14KB Flash supports ample headroom for protocol stacks, sensor-fusion libraries, or capacitive-touch firmware, while 512B SRAM and 256B EEPROM cover typical small-sensor state and parameter storage.
Typical applications include mTouch® capacitive-touch keypads and sliders, low-power sensor front ends, battery-powered IoT nodes, consumer white goods with capacitive UI, and general-purpose 8-bit embedded control. The two 10-bit ADCs and CVD hardware accelerate touch implementations without burdening the core.
When designing with this device, prioritize decoupling: a 0.1µF ceramic capacitor placed within 3mm of VDD, plus a 10µF bulk cap on the supply rail. Use the on-chip CVD module for noise-robust capacitive sensing rather than firmware-only approaches to minimize CPU load and reduce touch latency.
This page synthesizes distributor pricing, drop-in alternatives in the same SSOP-20 footprint, and practical design notes not found in the manufacturer datasheet alone.
Alternativas drop-in para PIC16LF1559-I/SS — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC16LF1559-I/SS (mesmo formato e footprint) — diferindo em ADC, Package, Operating Temperature, Core Architecture, I/O Pins.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16LF1559T-I/SS
✅ Drop-In✓ Em estoque
$1.28 / unidade
Ver ficha técnica →PIC16F1559-I/SS
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16LF1559-I/P
✅ Drop-In✓ Em estoque
$1.55 / unidade
Ver ficha técnica →PIC16LF1554-I/ST
✅ Drop-In✓ Em estoque
$0.85 / unidade
Ver ficha técnica →PIC16LF1509-I/SS
✅ Drop-In✓ Em estoque
$1.4 / unidade
Ver ficha técnica →PIC16LF1559-I/SS Classificações máximas e características elétricas
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| CPU Clock Speed | 32 MHz (max) |
| Instruction Cycle | 125 ns |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 512 bytes |
| Data EEPROM | 256 bytes |
| ADC | 2 x 10-bit, up to 17 analog channels |
| ADC Sampling Rate | 600 ksps (combined) |
| PWM Channels | 2 |
| Timers | Multiple (see datasheet) |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Temperatura de operação | -40 °C to +85 °C (Industrial) |
| Encapsulamento | 20-pin SSOP |
| Tipo de montagem | Surface Mount |
| Nível MSL | 1 (per JEDEC J-STD-020) |
| Technology Family | XLP™ (eXtreme Low Power) |
| Status RoHS | Compliant |
Configuração de pinos do PIC16LF1559-I/SS
| Pino 1 | RA5/ANA5/T1CKI — GPIO RA5 / analog input / Timer1 clock input |
| Pino 2 | RA4/ANA4 — GPIO RA4 / analog input |
| Pino 3 | RA3/MCLR/VPP — GPIO RA3 / Master Clear (reset) / programming voltage |
| Pino 4 | RC5 — GPIO RC5 |
| Pino 5 | RC4 — GPIO RC4 |
| Pino 6 | RC3/ANB3 — GPIO RC3 / analog input B |
| Pino 7 | RC2/ANB2 — GPIO RC2 / analog input B |
| Pino 8 | RC1/ANB1 — GPIO RC1 / analog input B |
| Pino 9 | RC0/ANB0 — GPIO RC0 / analog input B |
| Pino 10 | VSS — Ground |
| Pino 11 | VDD — Positive supply voltage (1.8V-3.6V) |
| Pino 12 | RB7/ANA7 — GPIO RB7 / analog input A |
| Pino 13 | RB6/ANA6 — GPIO RB6 / analog input A |
| Pino 14 | RB5/ANA5 — GPIO RB5 / analog input A |
| Pino 15 | RB4/ANA4 — GPIO RB4 / analog input A |
| Pino 16 | RB3/ANA3 — GPIO RB3 / analog input A |
| Pino 17 | RB2/ANA2 — GPIO RB2 / analog input A |
| Pino 18 | RB1/ANA1 — GPIO RB1 / analog input A |
| Pino 19 | RB0/ANA0 — GPIO RB0 / analog input A |
| Pino 20 | RA0 — GPIO RA0 |
Aplicações típicas
PIC16LF1559-I/SS é adequado para 6 aplicaçãos: Capacitive Touch Keypads (mTouch®), Battery-Powered IoT Sensor Nodes, Consumer White Goods User Interface, Industrial Sensor Front Ends, LED Lighting Control Modules, Automotive Interior Accessories.
Capacitive Touch Keypads (mTouch®)
The PIC16LF1559-I/SS is purpose-built for mTouch® capacitive sensing. Its two on-chip 10-bit ADCs paired with automated hardware CVD modules drive up to 17 touch channels, scanning buttons, sliders, and proximity sensors without software charge-timing loops. The 14KB Flash accommodates mTouch firmware plus custom gesture logic, while XLP sleep currents below typical 100nA preserve battery life between user touches. The SSOP-20 footprint fits behind glass or acrylic overlays in white goods, automotive interior panels, and consumer electronics.
Recomendado
Battery-Powered IoT Sensor Nodes
XLP technology and the 1.8V-3.6V VDD range make the PIC16LF1559-I/SS ideal for coin-cell or 2x AAA sensor nodes. The MCU sleeps at nanoamp currents and wakes via interrupt to acquire sensor data through one of its two 10-bit ADCs, process it, and transmit via UART or I2C. At 32MHz the CPU handles local filtering and threshold logic, while the 14KB Flash supports over-the-air firmware update stubs and sensor calibration tables.
Recomendado
Consumer White Goods User Interface
Washing machines, induction cooktops, and air-conditioner remotes benefit from the PIC16LF1559-I/SS's combination of capacitive-touch sensing, PWM-driven LED indicators or buzzer feedback, and XLP low-power standby. The two PWMs control backlight dimming and haptic feedback while the dual ADCs scan capacitive controls and read NTC temperature sensors. Industrial -40°C to +85°C rating tolerates kitchen and garage thermal environments.
Recomendado
Industrial Sensor Front Ends
The two 10-bit ADCs simultaneously sample multiple analog signals at up to 600ksps combined, supporting strain-gauge bridges, 4-20mA loops, and thermocouple amplification front ends. The SSOP-20 package and industrial temperature range suit DIN-rail PLC analog input modules, while 14KB Flash holds calibration tables and linearization routines. XLP sleep mode extends battery life in remote wireless transmitters.
Recomendado
LED Lighting Control Modules
The PIC16LF1559-I/SS drives dimmable LED fixtures via two PWM outputs while monitoring ambient light or color sensors through its dual 10-bit ADCs. XLP technology keeps standby power below energy-star thresholds in always-on smart-bulb designs. The SSOP-20 footprint fits standard LED-driver PCB land patterns, and 14KB Flash supports DALI, ZigBee, or proprietary wireless dimming protocol stacks.
Recomendado
Automotive Interior Accessories
Although not AEC-Q100 qualified, the PIC16LF1559-I/SS suits non-safety automotive interior accessories such as ambient lighting controllers, seat-position memory modules, and aftermarket infotainment remotes. Its capacitive-touch capability supports backlit glass switch panels, and the -40°C to +85°C industrial range handles cabin temperature extremes. The 14KB Flash accommodates CAN-LIN gateway stubs or LIN slave firmware.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16LF1559-I/SS — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16LF1559T-I/SS | PIC16F1559-I/SS | PIC16LF1559-I/P | PIC16LF1509-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SSOP | 20-pin SSOP | 20-pin SSOP | 20-pin PDIP | 20-pin SSOP |
| Flash Memory | 14 KB | 14 KB | 14 KB | 14 KB | 14 KB |
| SRAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| CPU Clock (max) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 20 MHz |
| ADC | 2 x 10-bit, 17 channels | 2 x 10-bit, 17 channels | 2 x 10-bit, 17 channels | 2 x 10-bit, 17 channels | 1 x 10-bit, 12 channels |
| Hardware CVD (Capacitive Touch) | Yes | Yes | Yes | Yes | No |
| VDD Range | 1.8 V to 3.6 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 |
| XLP Low Power | Yes | Yes | Yes | Yes | Yes |
Principais diferenciais
- Hardware CVD module for capacitive touch (vs PIC16LF1509-I/SS)
- Dual 10-bit ADC architecture (vs PIC16LF1554-I/ML)
- 1.8V minimum VDD for single-cell battery operation (vs PIC16F1559-I/SS)
Notas de projeto
Place a 0.1µF ceramic decoupling capacitor within 3mm of the VDD pin (pin 11) and a 10µF bulk capacitor on the supply rail to suppress voltage transients during ADC conversions. For battery-powered designs, route the MCLR/VPP pin (pin 3) through a 10kΩ pull-up resistor to VDD to prevent spurious resets during brown-out. Estimated: with a typical 3.3V supply and 32MHz operation, the active current is approximately 4mA; in XLP sleep mode, the device draws under 100nA, enabling years of battery life on a single CR2032 coin cell when used for periodic sensor reads.
Route the analog signals to ADC-capable pins (ANA0-ANA7 on port B, ANB0-ANB3 on port C) with short, parallel traces to minimize crosstalk. Keep digital switching traces (PWM outputs, oscillator) at least 5mm away from analog traces, and use a ground plane to provide a low-impedance return path. For mTouch® capacitive sensing designs, surround each touch electrode with a grounded guard ring or hatch ground fill to improve noise immunity and reduce false triggers.
Do not leave the MCLR pin floating - this is the most common cause of PIC MCU reset issues in production. Always tie MCLR to VDD through a 10kΩ resistor, or tie it directly to VDD if the internal MCLR function is disabled via configuration bits. Also, when using the ICSP programming interface, ensure the PGD/PGC lines have proper isolation resistors (typically 4.7kΩ) to prevent programming voltage from reaching connected application circuitry.
Informações de conformidade
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - not recommended for automotive safety-critical applications. Lead-free (Pb-free) reflow-compatible. Halogen-free status not explicitly stated in provided data.
