PIC16LC58B-04I/SO - 4MHz 8-bit OTP MCU, 3KB, 12 I/O | Microchip
N.º da peça: PIC16LC58B-04I/SO ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $1.44 | $1,44 |
| 10 | $1.3 | $13,00 |
| 100 | $1.14 | $114,00 |
| 500 | $1.02 | $510,00 |
| 1.000 | $0.92 | $920,00 |
PIC16LC58B-04I/SO Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The PIC16C5X family belongs to the 8-bit microcontroller category within the broader embedded processor hierarchy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. These devices target cost-sensitive applications where deterministic execution, low power, and small code footprint outweigh the need for high clock speed or large memory. Within Microchip's portfolio, the PIC16C5X is positioned as a baseline OTP/EPROM-based family suited for high-volume, mature designs.
Key features of the PIC16LC58B-04I/SO include 4MHz operation, seven or eight special-function hardware registers, a two-level-deep hardware stack, and direct, indirect, and relative addressing modes. The 12-bit instruction word with an 8-bit data path provides efficient code density, and the 2.5V to 6.25V supply range supports both 3.3V and 5V system rails. The "LC" voltage class is optimized for lower VDD operation, while the "I" suffix denotes the industrial -40C to +85C temperature range. The 18-SOIC package with 1.27mm pitch is compatible with standard surface-mount assembly lines.
The PIC16LC58B uses a fully static CMOS core, allowing the clock to be stopped without losing register state, which simplifies power-saving designs. Its RISC architecture with only 33 single-cycle instructions enables predictable timing and fast interrupt response. The two-level hardware stack limits nested subroutine depth but reduces context-switch overhead for shallow call chains typical in appliance, sensor, and motor-control firmware.
Typical applications include consumer appliances, battery chargers, LED lighting controllers, simple sensor interfaces, and low-end automotive body modules. The wide supply range and industrial temperature grade make it suitable for factory automation peripherals and HVAC controllers where reliability and cost dominate. When designing with this device, allocate sufficient OTP programming margin and verify code size within 2K 12-bit words before committing to mask-ROM or OTP volume orders; consider the PIC16F5X flash-based family if in-field reprogrammability is required.
Alternativas drop-in para PIC16LC58B-04I/SO — 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 PIC16LC58B-04I/SO (mesmo formato e footprint) — diferindo em Package, Core Architecture, Program Memory Size, Program Memory Type, Operating Temperature Range.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16C58B-04I/SO
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16F58A-04I/SO
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC16LC558-04I/SO
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.1 / unidade
Ver ficha técnica →PIC16LC554T-04I/SO
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$1.78 / unidade
Ver ficha técnica →PIC16LC56A-04I/SO
✅ Drop-In✓ Em estoque
$2.55 / unidade
Ver ficha técnica →PIC16LC58B-04I/SO Classificações máximas e características elétricas
| Core Architecture | 8-bit PIC16C5X RISC |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 3 KB (2K x 12 bits) |
| RAM | 73 bytes |
| Maximum CPU Clock | 4 MHz |
| Instruction Width | 12 bits |
| Data Path Width | 8 bits |
| Supply Voltage (VDD) | 2.5 V to 6.25 V |
| I/O Pins | 12 |
| Hardware Stack Depth | 2 levels |
| Addressing Modes | Direct, Indirect, Relative |
| Special Function Registers | 7 to 8 |
| Temperatura de operação | -40 C to +85 C (Industrial) |
| Encapsulamento | 18-SOIC (300 mil, 1.27 mm pitch) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do PIC16LC58B-04I/SO
| Pino 1 | RA2 — Bidirectional I/O, Port A bit 2 |
| Pino 2 | RA3 — Bidirectional I/O, Port A bit 3 |
| Pino 3 | RA4/T0CKI — Bidirectional I/O / Timer 0 clock input |
| Pino 4 | MCLR — Master Clear (reset) input, active low |
| Pino 5 | VSS — Ground reference |
| Pino 6 | RB0/INT — Bidirectional I/O / External interrupt |
| Pino 7 | RB1 — Bidirectional I/O, Port B bit 1 |
| Pino 8 | RB2 — Bidirectional I/O, Port B bit 2 |
| Pino 9 | RB3 — Bidirectional I/O, Port B bit 3 |
| Pino 10 | RB4 — Bidirectional I/O, Port B bit 4 |
| Pino 11 | RB5 — Bidirectional I/O, Port B bit 5 |
| Pino 12 | RB6 — Bidirectional I/O, Port B bit 6 |
| Pino 13 | RB7 — Bidirectional I/O, Port B bit 7 |
| Pino 14 | VDD — Positive supply voltage (2.5V-6.25V) |
| Pino 15 | OSC2/CLKOUT — Oscillator output / clock out |
| Pino 16 | OSC1/CLKIN — Oscillator input / external clock in |
| Pino 17 | RA0 — Bidirectional I/O, Port A bit 0 |
| Pino 18 | RA1 — Bidirectional I/O, Port A bit 1 |
Aplicações típicas
PIC16LC58B-04I/SO é adequado para 7 aplicaçãos: Consumer Appliance Control, Battery-Powered Sensor Nodes, LED Lighting Controllers, Automotive Body Electronics, HVAC Peripheral Controllers, Simple User Interface Panels, Battery Charger Controllers.
Consumer Appliance Control
The PIC16LC58B-04I/SO fits consumer appliance control because its 4MHz/1 MIPS performance and 12 GPIO are sufficient for keypad scanning, relay drivers, and 7-segment display multiplexing in microwaves, washing machines, and rice cookers. The 2.5V-6.25V VDD range accepts both 3.3V and 5V rails common in appliance power supplies, and the industrial -40C to +85C temperature grade survives under-cabinet and garage installations. Compared to a PIC16F877A, the LC58B cuts BOM cost by roughly 60% while keeping the deterministic RISC execution that simplifies IEC 60730 safety-class-B firmware review for white goods.
Recomendado
Battery-Powered Sensor Nodes
For battery-powered sensor nodes, the PIC16LC58B-04I/SO's 2.5V VDD floor enables direct operation from two alkaline or NiMH cells without boost conversion, extending operating life. Its fully static CMOS core allows the oscillator to be stopped in sleep mode, dropping current to microamp levels for duty-cycled wake-and-measure routines. The 73-byte RAM is enough for 10-bit ADC averaging buffers from companion sensors, and the 12 GPIO can drive SPI, I2C, or one-wire sensor busses. Designers value the OTP memory for anti-counterfeit firmware security in metering and environmental monitoring.
Recomendado
LED Lighting Controllers
The PIC16LC58B-04I/SO serves as a low-cost LED lighting controller where PWM dimming, color-mixing, and AC-line sync require deterministic timing rather than raw throughput. At 4MHz, the MCU delivers 1 microsecond instruction resolution, adequate for 8-bit PWM at 1kHz with low flicker. The 12 GPIO can directly drive MOSFET gates for RGB channels plus a status LED. Compared to using a PIC18 or ARM Cortex-M0, the LC58B yields the lowest possible fixture cost, a key requirement for high-volume residential bulb and strip-light markets. Industrial temperature grade supports outdoor luminaires and signage.
Recomendado
Automotive Body Electronics
In automotive body modules such as interior lamp timers, seat controllers, and accessory delay relays, the PIC16LC58B-04I/SO handles the simple GPIO logic without the cost of a CAN-enabled MCU. The -40C to +85C industrial range covers cabin environments, and the 12V-tolerant GPIO (when paired with external clamps) accepts direct connection to body wiring. The OTP memory protects firmware from unintended field reprogramming, which is desirable for safety-critical lighting circuits. For under-hood applications requiring AEC-Q100, designers migrate to the PIC16F58A-Q1 or PIC16F1823 family, leaving the LC58B for non-safety body modules.
Recomendado
HVAC Peripheral Controllers
For HVAC peripherals such as remote temperature sensors, damper actuators, and filter-status indicators, the PIC16LC58B-04I/SO offers the right balance of cost, I/O count, and temperature tolerance. The MCU can scan NTC thermistor bridges via its digital inputs with on-chip comparator logic, drive triac outputs via optocouplers, and communicate with the master thermostat over a single-wire UART. The 3KB OTP fits typical HVAC firmware including debounce tables, hysteresis curves, and fault logging. Industrial temperature grade ensures reliable operation in attic and basement installations where ambient swings are common.
Recomendado
Simple User Interface Panels
The PIC16LC58B-04I/SO is well suited to simple user-interface panels that combine a 4x4 keypad, several indicator LEDs, and a small character LCD driven via GPIO bit-banging. With 12 GPIO available, the MCU can directly multiplex a 16-key matrix and 8 LEDs without external logic. The 73-byte RAM accommodates debounce state machines and LCD line buffers. Industrial temperature grade supports factory-floor HMI panels. Compared to a PIC18F series upgrade, the LC58B keeps the BOM low enough for cost-sensitive appliances and toys where a touchscreen would be overkill but capacitive buttons or keypads are still required.
Recomendado
Battery Charger Controllers
The PIC16LC58B-04I/SO can implement closed-loop charge control for lead-acid, NiMH, and Li-ion packs by reading current-sense amplifier outputs through ADC-less comparators and timing charge phases with its hardware timer. The 2.5V-6.25V VDD range covers single-cell Li-ion (3.0-4.2V) and 6V lead-acid float conditions. Its deterministic 1 MIPS execution enables clean PID loops for current regulation without jitter. OTP memory prevents accidental field modification of safety-critical charge profiles. Designers pair it with external MOSFETs and the MCP73123 Li-ion charge controller for higher-current packs.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16LC58B-04I/SO — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16C58B-04I/SO | PIC16F58A-04I/SO | PIC16LC558-04I/SO | PIC16LC554T-04I/SO | PIC16LC56A-04I/SO |
|---|---|---|---|---|---|---|
| Package | 18-SOIC | 18-SOIC (same) | 18-SOIC (same) | 18-SOIC (same) | 18-SOIC (same) | 18-SOIC (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Max Clock | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Program Memory | 3KB OTP | 3KB OTP | 3KB Flash | 2KB OTP | 896B OTP | 1.5KB OTP |
| RAM | 73 bytes | 73 bytes | 77 bytes | 80 bytes | 80 bytes | 25 bytes |
| VDD Range | 2.5V-6.25V | 3.0V-6.25V | 2.0V-5.5V | 2.5V-6.25V | 2.5V-6.25V | 2.5V-6.25V |
| I/O Pins | 12 | 12 | 12 | 13 | 13 | 12 |
| Memory Type | OTP | OTP | Flash | OTP | OTP | OTP |
Principais diferenciais
- Industry-standard 18-SOIC footprint with broad second-source availability (vs PIC16C57C-04I/SO)
- Low-voltage operation down to 2.5V supports two-cell battery designs (vs PIC16C58B-04I/SO)
- Cost-optimized OTP memory for high-volume mature designs (vs PIC16F58A-04I/SO)
Notas de projeto
The PIC16LC58B-04I/SO uses OTP memory, which cannot be erased or reprogrammed. Once a device is programmed with a faulty firmware image, it must be physically discarded. For prototype and low-volume builds, evaluate the flash-based PIC16F58A-04I/SO instead, which shares the same 18-SOIC pinout and peripheral set. Migrate to the OTP LC58B only after firmware is fully validated and locked, and consider buying a small batch of pre-programmed parts from Microchip Direct for risk reduction during tooling.
The PIC16LC58B-04I/SO accepts VDD from 2.5V to 6.25V, making it compatible with both 3.3V and 5V rails. Bulk-decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of pin 14, and add a 10 uF tantalum or aluminum polymer bulk capacitor on the same net for high-current transient suppression during GPIO switching. For battery-powered designs operating from two alkaline cells, the 2.5V floor provides useful runtime down to the brown-out threshold; configure the brown-out reset (BOR) to avoid code corruption at end-of-life.
Place the oscillator crystal or resonator within 10 mm of pins 15 (OSC2) and 16 (OSC1) to minimize parasitic capacitance. Guard the crystal traces with a ground pour and route digital signal traces away from the oscillator to prevent coupling. For RC oscillator configurations, keep the resistor and capacitor leads short and place them adjacent to the OSC pins. The MCLR pin (pin 4) requires a 10 kohm pull-up to VDD and a 100 nF decoupling capacitor for stable reset behavior in noisy industrial environments.
The PIC16LC58B-04I/SO GPIO pins can source or sink up to 25 mA per pin and 90 mA per port, but simultaneously driving both high and low currents reduces total budget. For LED driving, use a current-limiting resistor and consider a low-side MOSFET for high-brightness LEDs above 20 mA. The 12-bit instruction width provides deterministic 1 microsecond cycle time at 4 MHz, which simplifies timing-critical bit-banged protocols such as DMX-512, WS2812 (with tight assembly), or one-wire sensor reads. Use the hardware timer to free the CPU from polling loops.
Informações de conformidade
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC16F88-I/SO or PIC16F58A-Q1 for automotive designs. Lead-free and halogen-free per Microchip PIC16C5X family datasheet.
