PIC16LC58BT-04/SO - 8-Bit 4MHz OTP MCU 3KB | Microchip | 18-SOIC
N.º da peça: PIC16LC58BT-04/SO ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.95 | $3,95 |
| 10 | $3.55 | $35,50 |
| 100 | $3.1 | $310,00 |
| 500 | $2.75 | $1.375,00 |
| 1.000 | $2.4 | $2.400,00 |
PIC16LC58BT-04/SO Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripheral interfaces. The PIC16LC58B belongs to the baseline PIC16C5X architecture, which executes 12-bit-wide instructions on an 8-bit data path with a two-level deep hardware stack. This family sits within the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC. The RISC-like instruction set with only 33 single-word instructions and fixed instruction timing simplifies firmware development and predicts cycle-accurate behavior, making this device attractive for cost-sensitive, deterministic control tasks.
Key features include 12 I/O ports with bidirectional direction control, a watchdog timer for unattended operation, a programmable prescaler for timer-based event counting, and power-on reset. The OTP program memory enables prototype-to-production migration without NRE mask charges, and the 4 MHz clock supports instruction execution at 1 MHz (4 oscillator cycles per instruction cycle). Internal RC oscillator options reduce external component count, while the 18-SOIC package provides a manageable 0.300-inch body suitable for hand-soldered prototypes and automated assembly.
Typical applications include consumer appliance control, automotive body electronics (non-safety), battery chargers, simple sensor interfaces, low-end remote controls, and replacement of discrete logic in space-constrained designs. Engineers frequently select this part for legacy product refreshes, industrial control panels, and educational development platforms where deterministic execution and minimal BOM cost outweigh the need for large memory or advanced peripherals.
When designing with the PIC16LC58BT-04/SO, verify that the application's maximum clock requirement does not exceed 4 MHz and confirm supply voltage stays within 2.5 V to 6.25 V. Use Microchip's MPASM assembler or MPLAB X IDE with the PIC16C5X toolchain for firmware development. Programming requires a PICkit or compatible device programmer supporting baseline OTP devices.
This page synthesizes distributor stock levels, parametric drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet summary. XAIPART provides real-time pricing across quantity breaks as of 2026-09-22, helping procurement teams compare this 18-SOIC baseline MCU against modern PIC16F1xxx successors and competing 8-bit microcontrollers.
Alternativas drop-in para PIC16LC58BT-04/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 PIC16LC58BT-04/SO (mesmo formato e footprint) — diferindo em Core Architecture, Package, Timers, I/O Pins, Instruction Cycle Time.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16LC58B-04/SO
✅ Drop-In✓ Em estoque
$1.62 / unidade
Ver ficha técnica →PIC16C58B-04/SO
✅ Drop-In✓ Em estoque
$1.88 / unidade
Ver ficha técnica →PIC16F57-I/SO
✅ Drop-In✓ Em estoque
$1.21 / unidade
Ver ficha técnica →PIC16C558-04I/SO
✅ Drop-In✓ Em estoque
$3.11 / unidade
Ver ficha técnica →PIC16C554-04I/SO
✅ Drop-In✓ Em estoque
$1.68 / unidade
Ver ficha técnica →PIC16LC58BT-04/SO Classificações máximas e características elétricas
| Product Family | PIC16C5X |
| Core Architecture | 8-bit RISC (PIC baseline) |
| Instruction Word Width | 12-bit |
| Data Path Width | 8-bit |
| Maximum Clock Speed | 4 MHz |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 3 KB (2K x 12) |
| RAM Size | 73 bytes |
| Number of I/O Pins | 12 |
| Supply Voltage Range | 2.5 V to 6.25 V |
| Number of Instructions | 33 |
| Hardware Stack Depth | 2 levels |
| Package Type | 18-pin SOIC (300 mil) |
| Tipo de montagem | Surface Mount |
| Faixa de temperatura de operação | Commercial grade |
| Watchdog Timer | Yes |
| Power-On Reset | Yes |
Configuração de pinos do PIC16LC58BT-04/SO
| Pino 1 | RB0 — Port B bit 0 (digital I/O) |
| Pino 2 | RB1 — Port B bit 1 (digital I/O) |
| Pino 3 | RB2 — Port B bit 2 (digital I/O) |
| Pino 4 | RB3 — Port B bit 3 (digital I/O) |
| Pino 5 | RB4 — Port B bit 4 (digital I/O) |
| Pino 6 | RB5 — Port B bit 5 (digital I/O) |
| Pino 7 | RB6 — Port B bit 6 (digital I/O) |
| Pino 8 | RB7 — Port B bit 7 (digital I/O) |
| Pino 9 | VSS — Ground reference |
| Pino 10 | RA0 — Port A bit 0 (digital I/O) |
| Pino 11 | RA1 — Port A bit 1 (digital I/O) |
| Pino 12 | RA2 — Port A bit 2 (digital I/O) |
| Pino 13 | RA3 — Port A bit 3 (digital I/O) |
| Pino 14 | T0CKI — Timer 0 clock input |
| Pino 15 | OSC1 — Oscillator input |
| Pino 16 | OSC2 — Oscillator output |
| Pino 17 | MCLR — Master clear reset (active low) |
| Pino 18 | VDD — Positive supply voltage (2.5 V to 6.25 V) |
Aplicações típicas
PIC16LC58BT-04/SO é adequado para 7 aplicaçãos: Consumer Appliance Control, Battery Charger Controller, Automotive Body Electronics, Remote Control and IR Transmitter, Industrial Sensor Interface Module, Educational Development Platform, Replacement of Discrete Logic.
Consumer Appliance Control
The PIC16LC58BT-04/SO's 4 MHz clock, 3 KB OTP program memory, and 12 I/O pins make it well suited for consumer appliance control boards such as microwave ovens, washing machines, and coffee makers. The baseline 12-bit instruction set executes deterministic control loops with predictable timing, critical for safety interlocks and motor sequencing. Its 2.5 V to 6.25 V supply range accommodates both 3.3 V and 5 V rail designs, while the OTP memory prevents firmware tampering or accidental reprogramming in field-deployed units. The 18-SOIC package supports hand-soldered prototyping and high-volume SMT assembly. Compared to a switching supply + MCU approach, the integrated design reduces BOM count and PCB area. For applications requiring firmware updates, designers should evaluate the PIC16F57 flash-based successor.
Recomendado
Battery Charger Controller
Battery charger applications benefit from the PIC16LC58BT-04/SO's low-power CMOS process, which delivers low quiescent current across the 2.5 V to 6.25 V supply range. The 12 I/O pins can interface directly with current-sense amplifiers, MOSFET gate drivers, status LEDs, and communication UART lines without external glue logic. The 3 KB OTP memory stores charging profiles for multiple battery chemistries (Li-ion, NiMH, lead-acid) selected via DIP switch or jumper. The 4 MHz clock provides sufficient throughput for CC/CV algorithm execution and ADC polling. OTP prevents accidental firmware corruption that could lead to overcharge conditions. For safety-critical automotive chargers, designers should migrate to AEC-Q100-qualified PIC16F1xxx devices.
Recomendado
Automotive Body Electronics
In automotive body electronics such as seat controllers, mirror adjusters, and lighting modules, the PIC16LC58BT-04/SO provides a cost-optimized 8-bit solution. Its 4 MHz core and 12-bit instruction set handle switch debouncing, PWM generation for LED dimming, and LIN-bus bit-banging without external peripherals. The 18-SOIC package fits within compact PCB footprints typical of body control modules. For under-hood or AEC-Q100-mandated applications, the standard commercial temperature grade is insufficient and designers must select the automotive-qualified PIC16F1xxx family. The OTP memory offers code stability for high-volume production where firmware changes would require recalls.
Recomendado
Remote Control and IR Transmitter
The PIC16LC58BT-04/SO fits remote control applications where minimal BOM cost and ultra-low standby current are priorities. Its 3 KB OTP memory stores IR protocol encodings (RC5, NEC, Sony SIRC) for multi-device universal remotes, while 12 I/O pins drive keypad scanning matrices, LED indicators, and IR LED transistors. The 4 MHz clock generates accurate carrier frequencies (36 kHz, 38 kHz, 40 kHz) via software PWM, eliminating the need for a dedicated timer peripheral. Power consumption during standby is minimized by the CMOS process and low clock rate. The 18-SOIC package integrates into handheld enclosures with constrained PCB space.
Recomendado
Industrial Sensor Interface Module
Industrial sensor interface modules use the PIC16LC58BT-04/SO to digitize analog signals from temperature, pressure, or flow sensors and transmit readings via UART or 4-20 mA loops. The 12-bit instruction set and 4 MHz clock handle linearization math, calibration table lookups, and HART-style communication protocols. The device's 73 bytes of RAM store recent samples and protocol state. The wide 2.5 V to 6.25 V supply range accommodates 24 V industrial rails with appropriate regulation. For fieldbus protocols requiring deterministic response times, the two-level hardware stack limits interrupt nesting and should be evaluated against application requirements.
Recomendado
Educational Development Platform
Universities and technical training programs deploy the PIC16LC58BT-04/SO as a teaching vehicle for embedded systems courses because its baseline architecture exposes students to fundamental concepts without advanced peripheral distractions. The 33-instruction set, 2-level hardware stack, and 12-bit instruction word width teach RISC principles, memory banking, and assembly programming fundamentals. The 18-SOIC package is breadboard-friendly with adapter boards, while the 4 MHz clock simplifies timing calculations during lab exercises. OTP memory encourages disciplined code review before programming, mirroring professional engineering workflows. For modern curricula emphasizing C programming and flash memory, instructors should supplement with PIC16F57 or PIC16F1823 boards.
Recomendado
Replacement of Discrete Logic
Engineers replacing legacy discrete 74HC logic gate arrays with the PIC16LC58BT-04/SO achieve dramatic board-area reduction and BOM simplification. A single 18-SOIC MCU replaces dozens of logic ICs implementing state machines, sequencers, and timer circuits. The 12 I/O pins handle multiple input buttons and output relays/LEDs with software-defined behavior changeable via OTP without PCB rework. The 3 KB program memory accommodates complex timing sequences previously requiring PAL/GAL devices. Predictable 1 MIPS execution at 4 MHz enables cycle-accurate emulation of original discrete logic timing. For designs where certification precludes firmware changes, OTP provides long-term code stability.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16LC58BT-04/SO — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16LC58B-04/SO | PIC16C58B-04/SO | PIC16F57-I/SO | PIC16C558-04I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC (300 mil) | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same | 18-SOIC - same |
| Maximum Clock Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Program Memory Type | OTP (3 KB) | OTP (3 KB) | OTP (3 KB) | Flash (3 KB) | OTP (3 KB) |
| RAM Size | 73 bytes | 73 bytes | 73 bytes | 72 bytes | 73 bytes |
| I/O Pins | 12 | 12 | 12 | 12 | 12 |
| Supply Voltage Range | 2.5 V to 6.25 V | 2.5 V to 6.25 V | 3.0 V to 6.25 V | 2.0 V to 5.5 V | 2.5 V to 6.25 V |
| Temperature Grade | Commercial | Commercial | Commercial | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
Principais diferenciais
- Same silicon as PIC16LC58B-04/SO with tape-and-reel packaging (vs PIC16LC58B-04/SO)
- Flash memory for reprogrammable development (vs PIC16F57-I/SO)
- Wider temperature range for industrial deployment (vs PIC16C558-04I/SO)
- Higher program memory density than smaller baseline PICs (vs PIC16C554-04I/SO)
Notas de projeto
Place a 0.1 uF ceramic decoupling capacitor as close as possible to the VDD pin (pin 18) with a ground return to VSS (pin 9) using a short, wide trace. Add a 10 uF bulk capacitor near the MCU for systems with high I/O switching current. The PIC16LC58BT-04/SO's 2.5 V to 6.25 V supply range allows direct connection to 3.3 V or 5 V rails, but verify that bulk supply noise does not exceed 50 mVpp to prevent logic errors.
Route the oscillator traces (OSC1, OSC2) as short as possible and keep them away from high-frequency switching signals. For crystal oscillator configurations, place the load capacitors within 5 mm of the OSC pins and guard them with a ground plane. The MCLR pin (pin 17) requires a 10 kohm pull-up to VDD; do not leave it floating as this causes intermittent reset behavior. Add a 100 nF capacitor on MCLR if the application operates in noisy environments.
OTP (One-Time Programmable) memory cannot be erased or rewritten. Ensure firmware is fully validated using a windowed or flash-equivalent development part (such as PIC16F57) before programming the PIC16LC58BT-04/SO for production. A single code bug requires scrapping the device. The two-level hardware stack limits call depth to two nested subroutines; deep call trees cause stack overflow and unpredictable program execution. Use iterative coding patterns instead of deep recursion.
The 18-SOIC package leads introduce approximately 2-3 nH of lead inductance per pin, which can cause ringing on high-speed signals. For I/O lines switching above 1 MHz, add 33 ohm series resistors near the driver to dampen reflections. Unused I/O pins should be configured as outputs and tied to ground (not left floating) to minimize supply current consumption and reduce EMI susceptibility. The watchdog timer should be enabled in any application where firmware hang could cause unsafe operation.
Informações de conformidade
RoHS and REACH compliance status not explicitly stated in the verified web data; marked as 'unknown' per data authenticity rules. The part is not AEC-Q100 qualified (commercial temperature grade). Microchip Technology publishes a Conflict Minerals Compliance report covering all products.