PIC18F2515-I/SO - 48KB Flash 8-bit MCU 25 I/O | Microchip
Артикул: PIC18F2515-I/SO ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $6.95 | $6,95 |
| 10 | $6.28 | $62,80 |
| 100 | $5.4 | $540,00 |
| 500 | $4.85 | $2.425,00 |
| 1.000 | $4.32 | $4.320,00 |
PIC18F2515-I/SO Обзор
PIC18F microcontrollers are 8-bit Harvard-architecture MCUs built around an enhanced instruction set that retains code compatibility with the legacy PIC16 family while adding 16-bit-wide instructions, linear addressing of up to 2 MB, and single-cycle multiply for DSP-style math. The PIC18F2X1X/4X1X sub-family adds a 10-bit A/D converter, an internal oscillator block, Fail-Safe Clock Monitor, and two USART modules, positioning it as the workhorse tier between small 8-pin PIC12/16 parts and larger 40-/44-pin PIC18F4X1X devices. The Flash memory is self-programmable in-circuit, enabling bootloader and field-update workflows.
Key features include 48KB Flash, 3968 bytes SRAM, 1024 bytes EEPROM, 25 digital I/O pins, a 10-channel 10-bit ADC, two comparators, two USART ports, an MSSP (SPI/I2C) module, two CCP and one Enhanced CCP capture/compare/PWM channels, and a hardware 8x8 multiplier. nanoWatt Technology provides multiple idle and sleep modes, drawing microampere-level standby current, while the Fail-Safe Clock Monitor automatically switches to the internal RC oscillator if the primary crystal fails for safety-critical loops.
The architecture pairs a 16-bit instruction word with an 8-bit data path, so 1 MIPS roughly equals 1 MHz of clock for legacy code and the enhanced core adds single-cycle branches and table reads/writes that allow constant data to live in program memory for compiler-driven table-driven I/O. The interrupt controller supports prioritized vectored interrupts with shadow registers, so high-frequency ADC and timer events can preempt background loops without polling overhead, while the hardware multiplier accelerates integer math for digital filtering and motor-control compensators.
Typical applications include industrial sensor conditioning, motor control and BLDC commutation, HVAC fan and damper control, USB-HID peripherals on the PIC18F2X1X/4X1X family, automotive body and chassis sub-systems, consumer appliance control boards, and general-purpose data-acquisition front-ends that pair the 10-bit ADC with the two USART links. The 28-SOIC footprint is friendly to hand-soldered prototypes and standard SMT assembly lines, and the wide 4.2-5.5 V supply lets the part run directly from a regulated 5 V rail without an LDO.
When designing with the PIC18F2515, place a 100 nF decoupling capacitor within 5 mm of each power pin and tie MCLR through a 10 kohm pull-up; if in-circuit serial programming (ICSP) is required, reserve the PGC/PGD pairs and route them away from switching nodes. Plan for at least 10 KB of Flash margin if you intend to use MPLAB XC8's position-independent optimization or a USB stack on related variants.
This page synthesizes distributor pricing, drop-in PIC18F2X1X/4X1X alternatives, and practical design notes, complementing - not duplicating - the manufacturer datasheet.
Аналоги без доработки для PIC18F2515-I/SO — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC18F2515-I/SO (тот же форм-фактор и посадочное место) — отличается по Package, Operating Temperature, ADC, Core Architecture, Program Memory (Flash).
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC18F2510-I/SO
✅ Прямая замена✓ В наличии
$2.9 / шт.
Открыть даташит →PIC18F2515-E/SO
✅ Прямая замена✓ В наличии
$3.55 / шт.
Открыть даташит →PIC18F2515T-I/SO
✅ Прямая замена✓ В наличии
$4.45 / шт.
Открыть даташит →PIC18F2610-I/SO
✅ Прямая замена✓ В наличии
$3.95 / шт.
Открыть даташит →PIC18F2410-I/SO
✅ Прямая замена✓ В наличии
$3.6 / шт.
Открыть даташит →PIC18F2515-I/SO Максимальные параметры и электрические характеристики
| Core | PIC18 8-bit RISC (Harvard) |
| Program Memory (Flash) | 48 KB |
| SRAM | 3968 bytes |
| EEPROM | 1024 bytes |
| Maximum Clock Speed | 40 MHz (10 MIPS) |
| Supply Voltage Range | 4.2 V to 5.5 V |
| I/O Pins | 25 |
| ADC | 10-bit, 10 channels |
| Comparators | 2 |
| USART | 2 |
| MSSP (SPI/I2C) | 1 |
| CCP / ECCP | 2 CCP + 1 ECCP |
| Hardware Multiplier | 8 x 8, single-cycle |
| Рабочая температура | -40 C to +85 C (Industrial) |
| Корпус | 28-SOIC (SOIC-28, 7.50 mm wide body) |
| On-Chip Oscillator | 31 kHz to 8 MHz internal RC |
| Fail-Safe Clock Monitor | Yes |
| Watchdog Timer | Yes (with dedicated RC oscillator) |
| nanoWatt Technology | Yes (multiple power-managed modes) |
Конфигурация выводов PIC18F2515-I/SO
| Контакт 1 | MCLR/RE3 — Master Clear (reset) input / digital I/O RE3 |
| Контакт 2 | OSC1/RA7 — Crystal oscillator input / digital I/O RA7 |
| Контакт 3 | OSC2/RA6 — Crystal oscillator output / digital I/O RA6 |
| Контакт 4 | RA0/AN0 — Digital I/O RA0 / analog input AN0 |
| Контакт 5 | RA1/AN1 — Digital I/O RA1 / analog input AN1 |
| Контакт 6 | RA2/AN2/VREF- — Digital I/O RA2 / analog input AN2 / ADC VREF- |
| Контакт 7 | RA3/AN3/VREF+ — Digital I/O RA3 / analog input AN3 / ADC VREF+ |
| Контакт 8 | RA4/AN4/C1OUT — Digital I/O RA4 / analog input AN4 / comparator 1 output |
| Контакт 9 | RA5/AN5/C2OUT — Digital I/O RA5 / analog input AN5 / comparator 2 output |
| Контакт 10 | VSS — Ground reference |
| Контакт 11 | VDD — Positive supply (4.2 V - 5.5 V) |
| Контакт 12 | RB0/AN12 — Digital I/O RB0 / analog input AN12 |
| Контакт 13 | RB1/AN10 — Digital I/O RB1 / analog input AN10 |
| Контакт 14 | RB2/AN8 — Digital I/O RB2 / analog input AN8 |
| Контакт 15 | RB3/AN9 — Digital I/O RB3 / analog input AN9 |
| Контакт 16 | RB4 — Digital I/O RB4 (interrupt-on-change) |
| Контакт 17 | RB5 — Digital I/O RB5 (interrupt-on-change) |
| Контакт 18 | RB6/PGC — Digital I/O RB6 / ICSP clock |
| Контакт 19 | RB7/PGD — Digital I/O RB7 / ICSP data |
| Контакт 20 | RC0/T1OSO — Digital I/O RC0 / Timer1 oscillator output |
| Контакт 21 | RC1/T1OSI — Digital I/O RC1 / Timer1 oscillator input |
| Контакт 22 | RC2/CCP1 — Digital I/O RC2 / Capture/Compare/PWM1 |
| Контакт 23 | RC3/SCK/SCL — Digital I/O RC3 / MSSP SPI clock / I2C clock |
| Контакт 24 | RC4/SDI/SDA — Digital I/O RC4 / MSSP SPI data in / I2C data |
| Контакт 25 | RC5/SDO — Digital I/O RC5 / MSSP SPI data out |
| Контакт 26 | RC6/TX/CK — Digital I/O RC6 / USART1 TX / clock |
| Контакт 27 | RC7/RX/DT — Digital I/O RC7 / USART1 RX / data |
| Контакт 28 | RE0/RD — Digital I/O RE0 / parallel port read control |
Типичное применение
PIC18F2515-I/SO подходит для 7 применениеs: Industrial Sensor Conditioning, Motor Control and BLDC Commutation, HVAC Fan and Damper Control, Automotive Body and Chassis Subsystems, USB-HID Peripherals on PIC18F2X1X/4X1X, Consumer Appliance Control Boards, Data-Acquisition Front-End.
Industrial Sensor Conditioning
The PIC18F2515-I/SO is a strong fit for industrial 4-20 mA loop and bridge-sensor front-ends because it pairs a 10-channel 10-bit ADC with 25 digital I/O and two analog comparators in a single 28-SOIC device. The 10 MIPS core and 8x8 hardware multiplier let it run polynomial-corrected thermocouple and RTD compensations in microseconds, keeping the loop bandwidth high. Its 4.2-5.5 V supply matches the regulated 5 V rail common on PLC backplanes. Compared with a discrete op-amp + ADC + MCU stack, the integrated PIC18F2X1X/4X1X solution saves BOM cost and PCB area while the Watchdog Timer and Fail-Safe Clock Monitor satisfy industrial-control safety expectations.
Рекомендуется
Motor Control and BLDC Commutation
On the PIC18F2515-I/SO, the Enhanced CCP (ECCP) plus two CCP channels deliver three independent PWM outputs with programmable dead-band, ideal for sensored or sensorless BLDC commutation in appliance fan pumps and small industrial drives. The 25 I/O tolerate Hall-sensor inputs zero-cross detection and fault inputs without multiplexing. The hardware 8x8 multiplier accelerates Park Clarke transforms and PI compensators. With the same 28-SOIC footprint as PIC18F2510-I/SO and PIC18F2520-I/SO, designers can qualify one PCB layout across a tiered product family.
Рекомендуется
HVAC Fan and Damper Control
HVAC equipment requires deterministic loops driving triac-controlled fans and 24 VAC damper actuators, an environment the PIC18F2515-I/SO serves well because it provides two analog comparators for zero-cross detection plus a hardware multiplier for closed-loop PI math. The 4.2-5.5 V supply lets it share a 5 V LDO with downstream relays, while nanoWatt Technology sleep modes cut standby current below 1 microampere on thermostats. The 28-SOIC footprint eases UL-60730 safety testing and the industrial -40C to +85C rating supports unheated attic installations.
Рекомендуется
Automotive Body and Chassis Subsystems
In automotive body controllers the PIC18F2515-I/SO drives window lift seat and mirror sub-systems through its 25 I/O handling relay drivers Hall sensors and PWM mirror-fold actuators. The two USART modules simplify LIN bus master slave arbitration during subsystem bring-up. With the PIC18F2515-E/SO variant achieving -40C to +125C the same die supports under-hood and cabin mounting. The 48 KB Flash suffices for AUTOSAR-light applications and driver diagnostics, while pin compatibility with the PIC18F2610-I/SO enables scaling to larger Flash bodies.
Рекомендуется
USB-HID Peripherals on PIC18F2X1X/4X1X
For USB-HID peripherals such as keyboards mice and custom joysticks the PIC18F2515-I/SO provides the 10 MIPS throughput and 48 KB Flash needed for HID descriptors and report handling on similar PIC18F2X1X/4X1X family variants with on-board USB. The MSSP module provides SPI for external USB-LED or wireless companion chips, while the two USART links can support Bluetooth SPP bridges. The 28-SOIC package supports hand-prototype assemblies and the same footprint across the PIC18F2510-I/SO and PIC18F2610-I/SO scales memory without PCB changes.
Рекомендуется
Consumer Appliance Control Boards
Microwave ovens coffee machines and washing machines use the PIC18F2515-I/SO because its 25 I/O handle keypad scan seven-segment driving buzzer and triac-driven heater all from one IC. The 48 KB Flash supports graphical menu systems on character displays and the 1024-byte EEPROM stores user-set clock and program parameters without battery backup. With the same footprint as the PIC18F2510-I/SO engineers can drop in lower-memory variants for stripped SKUs. The internal RC oscillator plus Fail-Safe Clock Monitor eliminates external crystals on cost-sensitive boards.
Рекомендуется
Data-Acquisition Front-End
The PIC18F2515-I/SO can act as a standalone data-acquisition front-end capturing 10 multiplexed analog inputs into its 10-bit ADC and pushing them through one of its two USART ports to a host. The 3968 bytes of SRAM buffer roughly 1000 10-bit samples at maximum ADC throughput, while 48 KB Flash accommodates Modbus RTU and custom protocol stacks. The 4.2-5.5 V input window accepts directly from industrial 24 V systems stepped down through a single LDO. With the PIC18F2610-I/SO as a memory upgrade pin compatibility is preserved across the family.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC18F2515-I/SO — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC18F2510-I/SO | PIC18F2515-E/SO | PIC18F2515T-I/SO | PIC18F2610-I/SO | PIC18F2410-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-28 | SOIC-28 (same) | SOIC-28 (same) | SOIC-28 (same) | SOIC-28 (same) | SOIC-28 (same) |
| Flash Memory | 48 KB | 32 KB | 48 KB | 48 KB | 64 KB | 16 KB |
| SRAM | 3968 bytes | 3968 bytes | 3968 bytes | 3968 bytes | 4096 bytes | 3968 bytes |
| EEPROM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| Maximum Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Supply Voltage | 4.2-5.5 V | 4.2-5.5 V | 4.2-5.5 V | 4.2-5.5 V | 4.2-5.5 V | 4.2-5.5 V |
| Temperature Grade | -40 to +85 C (Industrial) | -40 to +85 C | -40 to +125 C (Extended) | -40 to +85 C | -40 to +85 C | -40 to +85 C |
| I/O Pins | 25 | 25 | 25 | 25 | 25 | 25 |
Ключевые отличия
- Highest-density Flash in 28-pin PIC18F2X1X parts (против PIC18F2510-I/SO)
- Industrial temperature grade plus optional extended grade on same die (против PIC18F2515-E/SO)
- Pin-for-pin migration to 64 KB Flash with no peripheral changes (против PIC18F2610-I/SO)
Заметки по проектированию
Place one 100 nF X7R ceramic decoupling capacitor within 5 mm of the VDD pin (pin 11) and a second 100 nF capacitor near the VSS pin, with traces kept short to reduce switching transients during USART and PWM transitions. For boards with multiple PIC18F2X1X/4X1X parts sharing a 5 V rail, a bulk 10 uF tantalum or aluminum-polymer capacitor within 25 mm of the MCU cluster stabilizes the rail against ADC-induced current steps. If in-circuit serial programming (ICSP) is used, isolate the VDD cap with a series ferrite if the programming tool injects noise.
Keep the MCLR pull-up (typically 10 kohm to VDD) within 10 mm of pin 1, and place the diode from VDD to MCLR to suppress ESD on reset. If using ICSP, route the PGC (pin 18) and PGD (pin 19) lines away from PWM-driven outputs and triac gate traces to prevent programming-time interference. The 28-SOIC has a 7.50 mm body width; reserve a 4-mm keep-out on each long side for hand-soldering probe access during prototype bring-up.
Do not exceed 5.5 V on VDD - the PIC18F2515 has no internal clamp on the 5 V supply. The industrial grade is -40 to +85 C only; for automotive under-hood applications, choose the PIC18F2515-E/SO rated -40 to +125 C. When migrating code from PIC16F parts, remember the PIC18 vector table reserves high-priority and low-priority interrupt vectors - misuse of GOTO instead of interrupt-aware code breaks determinism. After Flash self-programming, verify code protection (CP) fuse settings; once CP is enabled, debug access is locked out.
The 10-bit ADC achieves best linearity when source impedance is below 2 kohm; an external op-amp buffer (such as the MCP6002) is needed for higher-impedance sensors. Use the VREF+ and VREF- pins on RA3/RA2 to apply an external reference for absolute accuracy, otherwise the ADC uses VDD as reference which couples supply noise into measurements. For PWM outputs avoid running ECCP1 at full duty 100% with fault clearing active, as some configurations can momentarily disable the output during clear-flag writes.
Информация о соответствии
RoHS status not explicitly listed in the verified web data; PIC18F2515-I/SO is the SOIC variant not AEC-Q100 qualified. Choose PIC18F2515-E/SO for automotive-grade qualification work.
