PIC18F4515T-I/PT - 8-Bit 40MHz 48KB Flash MCU TQFP-44 | Microchip
部品番号: PIC18F4515T-I/PT ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $5.06 | $5.06 |
| 10 | $4.55 | $45.50 |
| 100 | $4.04 | $404.00 |
| 500 | $3.64 | $1,820.00 |
| 1,000 | $3.24 | $3,240.00 |
PIC18F4515T-I/PT 概要
A PIC microcontroller is a compact single-chip computer that integrates a CPU, program memory, RAM, peripherals (A/D converters, timers, communication ports), and I/O on one die. PIC18F-series parts use an enhanced 8-bit RISC core with 16-bit instructions and 8-bit data, scaling from simple 18-pin devices up to 80-pin parts. PIC MCUs sit within the broader hierarchy of microcontrollers -> embedded processors -> semiconductors, and are widely used for cost-sensitive real-time control. This PIC18F4515T-I/PT specifically targets mid-pin-count designs that need abundant I/O and an integrated A/D.
Key features include 36 digital I/O pins, a 10-bit A/D converter with up to 13 input channels, nanoWatt Technology power management for low-power sleep modes, an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART), a Master Synchronous Serial Port (MSSP) supporting SPI and I2C, up to four 8/16-bit timers, and a Capture/Compare/PWM (CCP) module. The device operates from 4.2 V to 5.5 V.
Architecturally, the PIC18F4515 uses an enhanced Harvard architecture with separate program and data buses, a 31-level hardware stack, and a 16-bit instruction word. The internal oscillator options and PLL block reduce external component count. nanoWatt Technology adds multiple idle/sleep modes with dynamic clock switching for battery-aware designs.
Typical applications include industrial control panels, HVAC control boards, motor control signal conditioning, automotive body electronics, sensor interface front-ends, and consumer white goods. The 36 I/O lines and 13-channel ADC make it a strong fit for multi-channel analog monitoring boards.
When designing with this MCU, place a 0.1 uF decoupling capacitor adjacent to every VDD/VSS pair, follow Microchip's recommended oscillator layout if a crystal is used, and ensure MCLR has its required pull-up network. ICSP/ICD programming requires the standard 5-pin Microchip header.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the standalone datasheet.
ドロップイン代替品: PIC18F4515T-I/PT — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: PIC18F4515T-I/PT （同一形状・フットプリント） — 相違点: Package, Operating Temperature, Program Memory (Flash), Timers, Core Architecture.
クイック比較ツール — 並列比較する代替部品を選択:
PIC18F4515-I/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC18F4515-I/P
✅ ドロップイン✓ 在庫あり
$4.78 / 個
データシートを見る →PIC18F4515-E/PT
✅ ドロップイン✓ 在庫あり
$5.21 / 個
データシートを見る →PIC18F4515-I/ML
✅ ドロップイン✓ 在庫あり
$4.1 / 個
データシートを見る →PIC18F4480-I/PT
✅ ドロップイン✓ 在庫あり
$4.85 / 個
データシートを見る →PIC18F4510-I/P
✅ ドロップイン✓ 在庫あり
$5.27 / 個
データシートを見る →PIC18F4515T-I/PT 最大定格＆電気的特性
| Core Architecture | PIC18F enhanced 8-bit RISC, 16-bit instruction word |
| Maximum CPU Clock | 40 MHz |
| Program Memory (Flash) | 48 KB (24K x 16 words) |
| Data RAM | 3.8 KB (3968 bytes) |
| Data EEPROM | 256 bytes |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 36 |
| A/D Converter | 10-bit, up to 13 channels |
| Timers | 1 x 8-bit, 3 x 16-bit |
| CCP/ECCP Modules | 2 CCP (1 with Enhanced PWM) |
| Communication Peripherals | 1 x EUSART, 1 x MSSP (SPI / I2C) |
| パッケージ | 44-pin TQFP (10 x 10 mm) |
| 動作温度 | -40 C to +85 C (Industrial, "I" grade) |
| 実装タイプ | Surface Mount |
| Packaging Suffix | T = Tape and Reel |
| Power-Saving Modes | nanoWatt Technology (multiple idle/sleep modes) |
| RoHS ステータス | Compliant |
PIC18F4515T-I/PT ピン構成
| ピン 1 | MCLR/VPP/RE3 — Master Clear reset input or programming voltage; RE3 digital input only |
| ピン 2 | RA0/AN0 — PORTA bit 0 / ADC analog input 0 |
| ピン 3 | RA1/AN1 — PORTA bit 1 / ADC analog input 1 |
| ピン 4 | RA2/AN2/VREF- — PORTA bit 2 / ADC analog input 2 / ADC negative reference |
| ピン 5 | RA3/AN3/VREF+ — PORTA bit 3 / ADC analog input 3 / ADC positive reference |
| ピン 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| ピン 7 | RA5/AN4/SS — PORTA bit 5 / ADC analog input 4 / SPI slave select |
| ピン 8 | RE0/RD/AN5 — PORTE bit 0 / parallel-port read strobe / ADC analog input 5 |
| ピン 9 | RE1/WR/AN6 — PORTE bit 1 / parallel-port write strobe / ADC analog input 6 |
| ピン 10 | RE2/CS/AN7 — PORTE bit 2 / parallel-port chip select / ADC analog input 7 |
| ピン 11 | VDD — Positive supply voltage |
| ピン 12 | VSS — Ground reference |
| ピン 13 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock input / PORTA bit 7 |
| ピン 14 | OSC2/CLKO/RA6 — Crystal oscillator output / clock output / PORTA bit 6 |
| ピン 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| ピン 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 I/O |
| ピン 17 | RC2/CCP1 — PORTC bit 2 / Enhanced CCP1 PWM output |
| ピン 18 | RC3/SCK/SCL — PORTC bit 3 / MSSP SPI clock / I2C clock |
| ピン 19 | RD0/PSP0 — PORTD bit 0 / Parallel Slave Port bit 0 |
| ピン 20 | RD1/PSP1 — PORTD bit 1 / Parallel Slave Port bit 1 |
| ピン 21 | RD2/PSP2 — PORTD bit 2 / Parallel Slave Port bit 2 |
| ピン 22 | RD3/PSP3 — PORTD bit 3 / Parallel Slave Port bit 3 |
| ピン 23 | RC4/SDI/SDA — PORTC bit 4 / MSSP SPI data in / I2C data |
| ピン 24 | RC5/SDO — PORTC bit 5 / MSSP SPI data out |
| ピン 25 | RC6/TX/CK — PORTC bit 6 / EUSART async transmit or sync clock |
| ピン 26 | RC7/RX/DT — PORTC bit 7 / EUSART async receive or sync data |
| ピン 27 | RD4/PSP4 — PORTD bit 4 / Parallel Slave Port bit 4 |
| ピン 28 | RD5/PSP5 — PORTD bit 5 / Parallel Slave Port bit 5 |
| ピン 29 | RD6/PSP6 — PORTD bit 6 / Parallel Slave Port bit 6 |
| ピン 30 | RD7/PSP7 — PORTD bit 7 / Parallel Slave Port bit 7 |
| ピン 31 | VSS — Ground reference |
| ピン 32 | VDD — Positive supply voltage |
| ピン 33 | RB0/INT0 — PORTB bit 0 / External interrupt 0 |
| ピン 34 | RB1/INT1 — PORTB bit 1 / External interrupt 1 |
| ピン 35 | RB2/INT2 — PORTB bit 2 / External interrupt 2 |
| ピン 36 | RB3/CCP2 — PORTB bit 3 / CCP2 I/O (alternate location) |
| ピン 37 | RB4 — PORTB bit 4 (interrupt-on-change) |
| ピン 38 | RB5/PGM — PORTB bit 5 / ICSP low-voltage programming |
| ピン 39 | RB6/PGC — PORTB bit 6 / ICSP clock input |
| ピン 40 | RB7/PGD — PORTB bit 7 / ICSP data I/O |
| ピン 41 | VSS — Ground reference |
| ピン 42 | VDD — Positive supply voltage |
| ピン 43 | VSS — Ground reference (bare die paddle connection) |
| ピン 44 | VDD — Positive supply voltage (bare die paddle connection) |
主な用途
PIC18F4515T-I/PT の用途: 6 件s: Industrial Control Panel HMI, HVAC Control Board, Sensor Interface Front-End, Automotive Body Electronics, Consumer White Goods Control, Motor Control Signal Conditioning.
Industrial Control Panel HMI
The PIC18F4515T-I/PT is well matched to industrial control panel HMI boards thanks to its 36 I/O lines, 10-bit ADC with up to 13 channels, and -40 C to +85 C industrial temperature rating. The 40 MHz core is sufficient to drive character LCDs, scan keypads, and read analog sensors (temperature, pressure, flow) at typical 10-100 Hz refresh rates. The PIC18F4515's EUSART enables Modbus RTU slave communication over RS-485, while its MSSP supports I2C-based RTC and EEPROM expansion for data logging with time stamps. Compared with discrete logic designs, this single-chip approach reduces BOM count and PCB area while keeping firmware portable across the wider PIC18F45xx family.
おすすめ
HVAC Control Board
In HVAC control applications the PIC18F4515T-I/PT integrates the function of a thermostat controller, valve/damper actuator driver, and communication front-end. Its 10-bit ADC reads thermistor temperatures and pressure sensors, while the CCP/ECCP modules generate PWM signals for proportional valve control or triac-fired heating elements. The 48 KB Flash accommodates complex scheduling firmware, multi-zone control logic, and user-interface state machines. nanoWatt sleep modes drop supply current during idle periods, important for line-powered HVAC thermostats where standby consumption is regulated. The PIC18F4515's robust industrial temperature rating ensures reliable operation in attics, basements, and equipment closets across wide seasonal swings.
おすすめ
Sensor Interface Front-End
The PIC18F4515T-I/PT's 10-bit ADC with up to 13 input channels makes it a strong fit for multi-sensor front-end boards in industrial measurement and IoT edge nodes. Each ADC channel can sequentially read strain gauges, photodiodes, thermistors, or 4-20 mA loop transducers through external signal conditioning. The MSSP in I2C mode connects to digital sensors and EEPROM, while the EUSART provides UART output for downstream gateways or test equipment. The 48 KB Flash allows sophisticated linearization, calibration, and filtering routines, while nanoWatt Technology supports battery-backed sensor hubs. Designers benefit from the mature MPLAB X IDE toolchain and free XC8 compiler that cover this entire PIC18F family.
おすすめ
Automotive Body Electronics
The PIC18F4515T-I/PT is suitable for non-safety automotive body-electronics modules such as interior lighting controllers, seat memory modules, mirror-position controllers, and accessory multiplexers. Its 36 I/O lines drive multiple LEDs, motors, and switches, while the CCP PWM modules control DC motor speed or LED dimming. The MSSP SPI interface connects to external CAN or LIN transceivers for in-vehicle networking. Designers should note that this part is NOT AEC-Q100 qualified, so for safety-critical or under-hood applications the PIC18F45K22 AEC-Q100 variant is a safer choice. The industrial temperature grade (-40 C to +85 C) is adequate for cabin-mounted body modules.
おすすめ
Consumer White Goods Control
White-goods appliance controls (washing machines, dishwashers, refrigerators) are a classic application for the PIC18F4515T-I/PT thanks to its balance of Flash, RAM, I/O, and A/D channels. The MCU drives seven-segment or character LCD user interfaces, reads water-level and temperature sensors, and times motor/valve actuation through the CCP modules. Its 5 V supply range matches the white-goods power environment without needing additional regulators. nanoWatt sleep modes cut standby power to meet global energy-efficiency regulations. Production volumes benefit from the tape-and-reel packaging suffix "T" enabling direct SMT assembly without re-packaging.
おすすめ
Motor Control Signal Conditioning
For low- to medium-power motor control boards (small BLDC drivers, stepper indexers, brushed-DC pumps), the PIC18F4515T-I/PT's ECCP module provides enhanced PWM with complementary outputs and programmable dead-band, ideal for half-bridge drivers. The 10-bit ADC samples shunt current and back-EMF for closed-loop control, while the 36 I/O lines handle direction, brake, fault, and enable signals. The PIC18F4515 family runs Microchip's free MPLAB XC8 C compiler and is supported by application notes such as AN1078 and AN957 for sensorless BLDC. Designers can port firmware between PIC18F4515 and the higher-memory PIC18F4525 without code changes.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PIC18F4515T-I/PT — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | PIC18F4515-I/PT | PIC18F4515-I/P | PIC18F4515-E/PT | PIC18F4515-I/ML | PIC18F4480-I/PT | PIC18F4510-I/P |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (10 x 10 mm) | TQFP-44 (same) | TQFP-44 (same) | TQFP-44 (same) | TQFP-44 (same) | TQFP-44 (same) | TQFP-44 (same) |
| Program Memory (Flash) | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 16 KB (-67%) | 32 KB (-33%) |
| Data RAM | 3.8 KB (3968 bytes) | 3.8 KB | 3.8 KB | 3.8 KB | 3.8 KB | 768 bytes (-80%) | 1.5 KB (-60%) |
| Maximum CPU Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 36 | 36 |
| A/D Converter | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels | 10-bit, 11 channels | 10-bit, 13 channels |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Packaging Format | Tape & Reel | Tray | Tray | Tray | Tray | Tray | Tray |
主な差別化要因
- Drop-in tray-pack variant for prototype/engineering builds （vs PIC18F4515-I/PT)
- Extended temperature grade for harsh environments （vs PIC18F4515-E/PT)
- Lower-memory sibling for cost-sensitive builds （vs PIC18F4480-I/PT)
設計ノート
The PIC18F4515T-I/PT requires three VDD/VSS pairs (pins 11/12, 31/32, and 41/42+43/44) on the TQFP-44 package. Each pair must have its own 0.1 uF decoupling capacitor placed within 3 mm of the pin. Add a bulk 10 uF tantalum or aluminum-polymer capacitor near the package. Pin 44 (VDD) on TQFP packages doubles as the bottom thermal pad and must be soldered to the ground plane through the recommended land pattern for proper thermal dissipation, even though it is electrically a VDD pin. Source voltage must be regulated to within 4.2-5.5 V; ripple should be below 50 mV pk-pk during ADC conversions.
Route the analog AVdd/AVss pair separately from the digital VDD/VSS rails when designing sensitive signal-conditioning boards. The PIC18F4515 integrates AVdd on the same pin as VDD, so external LC or ferrite-bead filtering on the analog supply trace is required to keep ADC measurements clean. Place the ADC input traces away from digital switching lines (CCP PWM outputs, oscillator traces) and use a ground guard ring around analog input pins on the PCB. The crystal oscillator traces (OSC1/OSC2) must be short, symmetric, and surrounded by a ground pour; follow the Microchip oscillator design notes for capacitive loading.
Do not leave MCLR floating - a 10 kohm pull-up to VDD is mandatory, even in production designs. For ICSP programming, RB6/PGC and RB7/PGD must be accessible; do not strap them to VDD/VSS permanently, and provide series resistors close to the MCU if the application uses these pins as digital I/O. The PIC18F4515 family operates from 4.2 V to 5.5 V only - it cannot run from 3.3 V rails. For low-voltage designs, migrate to the PIC18F45K22 family which supports 1.8-5.5 V. Configuration bits (fuses) must be set correctly or the MCU may not boot; use the MPLAB X IDE configuration tool to avoid this pitfall.
コンプライアンス情報
RoHS and lead-free per Microchip product page; not AEC-Q100 qualified - use PIC18F45K22 automotive variant for safety-critical automotive. Halogen-free status not explicitly stated in the verified web data.