PIC18F4480T-I/PT - 8-bit 40MHz 16KB Flash MCU 44-TQFP | Microchip
料号： PIC18F4480T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.07 | $5.07 |
| 10 | $4.56 | $45.60 |
| 100 | $4.06 | $406.00 |
| 500 | $3.65 | $1,825.00 |
| 1,000 | $3.24 | $3,240.00 |
PIC18F4480T-I/PT 概述
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, memory, and peripherals around an 8-bit data path. The PIC18F family sits within the broader taxonomy of microcontroller -> embedded controller -> semiconductor device, and is widely used where deterministic real-time response and simple peripheral integration are required. The 'F' suffix designates Flash-based program memory (reprogrammable in-circuit), while the '4480' pin-count suffix denotes a 40/44-pin variant within the family.
Key features of the PIC18F4480T-I/PT include an integrated 10-bit A/D converter (nanoWatt technology), enhanced capture/compare/PWM (ECCP) modules, multiple timers, USART, MSSP (SPI/I2C) peripherals, and a CAN module that distinguishes this 4480 variant from sibling PIC18F2480/2580 devices. The 'T' suffix in the part number indicates Tape and Reel packaging, and the 'I' indicates the industrial temperature range of -40C to +85C.
Typical applications include industrial control systems, automotive body and powertrain nodes, sensor interfacing, motor control (via ECCP/PWM), and CAN-b networked embedded designs. The wide operating voltage and industrial temperature grade make the PIC18F4480T-I/PT well-suited to factory automation and harsh-environment deployments.
When designing with this part, allocate decoupling capacitors of 0.1 uF plus 10 uF near each supply pin and follow Microchip's recommended layout for the analog VREF/AVDD rails. Designers migrating from PIC18F2480/2580 to PIC18F4480 should verify the additional CAN peripheral and pin mapping for port B/D differences.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the PIC18F family, and practical design notes not found in the standalone manufacturer datasheet.
直接替换替代料： PIC18F4480T-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC18F4480T-I/PT （相同外形与封装尺寸） ——差异在于 Operating Temperature, Package, ADC, Timers, Communication.
快速对比工具——选择替代料号进行并排对比：
PIC18F4480-I/PT
✅ 直接替换✓ 有现货
$4.85 / 个
查看数据手册 →PIC18F4580T-I/PT
✅ 直接替换✓ 有现货
$4.45 / 个
查看数据手册 →PIC18F4480T-I/ML
✅ 直接替换✓ 有现货
$3.1 / 个
查看数据手册 →PIC18F4455-I/PT
✅ 直接替换✓ 有现货
$4.85 / 个
查看数据手册 →PIC18F4458-I/ML
✅ 直接替换✓ 有现货
$5.95 / 个
查看数据手册 →PIC18F4423-E/PT
✅ 直接替换✓ 有现货
$4.15 / 个
查看数据手册 →PIC18F43K22-I/PT
✅ 直接替换✓ 有现货
$1.95 / 个
查看数据手册 →PIC18F4480T-I/PT 最大额定值与电气特性
| Core | PIC18F, 8-bit |
| Clock Speed (Max) | 40 MHz |
| Program Memory (Flash) | 16 KB (8K x 16) |
| RAM | 768 B |
| EEPROM | 256 B |
| 电源电压 | 4.2 V to 5.5 V |
| I/O Pins | 36 |
| A/D Converter | 10-bit, integrated |
| 封装 | 44-pin TQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| 工作温度 | -40C to +85C (Industrial) |
| Peripherals | ECCP, USART, MSSP (SPI/I2C), CAN |
| Power-Saving Mode | nanoWatt Technology |
| Packaging Form | Tape & Reel ('T' suffix) |
| RoHS 状态 | Compliant |
PIC18F4480T-I/PT 引脚配置
| 引脚 1 | RC7/RX/DT — Digital I/O / EUSART RX / CCP data |
| 引脚 2 | RD4/PSP4 — Digital I/O / Parallel Slave Port bit 4 |
| 引脚 3 | RD5/PSP5 — Digital I/O / Parallel Slave Port bit 5 |
| 引脚 4 | RD6/PSP6/TX/CK — Digital I/O / PSP bit 6 / EUSART TX/CLK |
| 引脚 5 | RD7/PSP7 — Digital I/O / Parallel Slave Port bit 7 |
| 引脚 6 | AVSS — Analog ground reference |
| 引脚 7 | AVDD — Analog supply voltage (+5V) |
| 引脚 8 | VREF-/CVREF — ADC low reference / comparator reference |
| 引脚 9 | VREF+/AN3 — ADC high reference / analog input 3 |
| 引脚 10 | AN2 — Analog input 2 |
| 引脚 11 | AN1 — Analog input 1 |
| 引脚 12 | AN0 — Analog input 0 |
| 引脚 13 | OSC1/CLKI/RA7 — Crystal input / ext clock / digital I/O |
| 引脚 14 | OSC2/CLKO/RA6 — Crystal output / clock out / digital I/O |
| 引脚 15 | T0CKI/RC0 — Timer0 clock input / digital I/O |
| 引脚 16 | CCP2/RC1 — CCP2 PWM/capture / digital I/O |
| 引脚 17 | CCP1/RC2 — CCP1 PWM/capture / digital I/O |
| 引脚 18 | SCL/SCK/RC3 — I2C clock / SPI clock / digital I/O |
| 引脚 19 | SDA/SDI/RC4 — I2C data / SPI data in / digital I/O |
| 引脚 20 | SDO/RC5 — SPI data out / digital I/O |
| 引脚 21 | TX/CK/RC6 — EUSART TX / clock / digital I/O |
| 引脚 22 | RX/DT/RC7 — EUSART RX / data / digital I/O |
| 引脚 23 | C1OUT/RB3 — Comparator 1 output / digital I/O |
| 引脚 24 | INT0/AN4/RB0 — External interrupt 0 / analog in / digital I/O |
| 引脚 25 | INT1/AN5/RB1 — External interrupt 1 / analog in / digital I/O |
| 引脚 26 | INT2/AN6/RB2 — External interrupt 2 / analog in / digital I/O |
| 引脚 27 | PGM/RB4 — Low-voltage ICSP programming / digital I/O |
| 引脚 28 | PGC/RB5 — ICSP clock / digital I/O |
| 引脚 29 | PGD/RB6 — ICSP data / digital I/O |
| 引脚 30 | PGM/RB7 — Low-voltage ICSP programming / digital I/O |
| 引脚 31 | VDD — Digital supply voltage (+5V) |
| 引脚 32 | VSS — Digital ground |
| 引脚 33 | RD0/PSP0 — Digital I/O / Parallel Slave Port bit 0 |
| 引脚 34 | RD1/PSP1 — Digital I/O / Parallel Slave Port bit 1 |
| 引脚 35 | RD2/PSP2 — Digital I/O / Parallel Slave Port bit 2 |
| 引脚 36 | RD3/PSP3 — Digital I/O / Parallel Slave Port bit 3 |
| 引脚 37 | CANRX/RC8 — CAN bus RX input / digital I/O |
| 引脚 38 | CANTX/RC9 — CAN bus TX output / digital I/O |
| 引脚 39 | CVREF/AN7/RB8 — Comparator VREF / analog in / digital I/O |
| 引脚 40 | RE0/RD — Digital I/O / Parallel Port read control |
| 引脚 41 | RE1/WR — Digital I/O / Parallel Port write control |
| 引脚 42 | RE2/CS — Digital I/O / Parallel Port chip select |
| 引脚 43 | VDD — Digital supply voltage (+5V) |
| 引脚 44 | MCLR/VPP/RB5 — Master clear / programming voltage / digital I/O |
典型应用
PIC18F4480T-I/PT 适用于 6 应用s: Industrial CAN-Bus Network Nodes, Automotive Aftermarket Body Controllers, Sensor Interface & Data Acquisition, Motor Control (PWM/ECCP), Building Automation & HVAC, Embedded Control Education & Prototyping.
Industrial CAN-Bus Network Nodes
The PIC18F4480T-I/PT is ideal for industrial CAN-bus network nodes thanks to its integrated hardware CAN 2.0B controller, 40 MHz / 10 MIPS performance, and industrial -40C to +85C temperature range. The 16 KB Flash accommodates mid-sized CANopen or DeviceNet stacks, while 768 bytes of SRAM is sufficient for typical message buffers. Placed at each sensor/actuator node, the MCU handles protocol framing in hardware, freeing the core for application logic. The on-chip 10-bit ADC digitizes analog sensor signals without an external converter, and the 5 V supply matches industrial 24V-bus rails regulated down via a switching pre-regulator.
推荐
Automotive Aftermarket Body Controllers
The PIC18F4480T-I/PT suits aftermarket automotive body-control modules (lighting, door, HVAC) because of its 36 I/O pins, hardware CAN interface, and industrial temperature rating. The 40 MHz core easily handles LIN/CAN gateway logic, while ECCP/PWM outputs drive LED dimmers, motor bridges and relay drivers. Unlike OEM-qualified parts, this MCU is intended for aftermarket accessories rather than safety-critical OEM ECUs. The wide 4.2-5.5V supply range matches 12V automotive rails regulated through a 5V LDO such as MCP1792. The 16 KB Flash is sufficient for typical body-control firmware with CAN/LIN stack.
推荐
Sensor Interface & Data Acquisition
The PIC18F4480T-I/PT is well matched to multi-channel sensor-interface and data-acquisition front ends because of its integrated 10-bit A/D converter (multiple channels), 36 digital I/O pins for switch/status monitoring, and USART/MSSP peripherals for external sensor communication. Placed between an analog sensor array and a host controller, the MCU digitizes analog signals via its ADC, applies digital filtering in firmware, and forwards formatted data over SPI/UART. The nanoWatt power-saving mode reduces quiescent current between acquisitions - critical for battery-powered field sensors. The 16 KB Flash accommodates lookup tables and calibration constants.
推荐
Motor Control (PWM/ECCP)
The PIC18F4480T-I/PT handles small DC and stepper motor control via its Enhanced Capture/Compare/PWM (ECCP) modules, which generate hardware PWM with programmable dead-band and fault inputs. With 40 MHz clock and hardware PWM, the MCU produces stable switching frequencies up to 10 kHz with minimal CPU overhead. The 36 I/O pins provide plenty of headroom for Hall-sensor inputs, direction-control signals and gate-driver outputs. Placed between a 5 V logic rail and an H-bridge driver such as the MCP1755, the MCU implements closed-loop speed control via ADC feedback from current-sense amplifiers. The 16 KB Flash holds motor-control state machines and tuning parameters.
推荐
Building Automation & HVAC
The PIC18F4480T-I/PT fits building-automation and HVAC controller designs where its 36 I/O, hardware CAN bus and industrial temperature rating provide reliable communication with field devices. The MCU acts as a zone controller, reading temperature/humidity sensors via ADC and I2C peripherals, controlling damper actuators via PWM, and reporting to a central BMS over CAN. The 40 MHz performance handles multiple control loops simultaneously. The wide 4.2-5.5V supply tolerance accommodates regulated 24V AC/DC building power. The 16 KB Flash supports standard HVAC control firmware including fault logging and PID loops.
推荐
Embedded Control Education & Prototyping
The PIC18F4480T-I/PT is widely used in embedded-systems education and rapid prototyping because of Microchip's mature toolchain (MPLAB X IDE, XC8 compiler, ICD debugger) and the PIC18 family's gentle learning curve. With 40 MHz performance, 36 I/O pins, on-chip ADC and CAN, students can experiment with real-time control, networking and mixed-signal designs on a single chip. The TQFP-44 package is breadboard-friendly with appropriate breakout boards. The 16 KB Flash fits typical coursework projects; the same 44-TQFP footprint upgrades to PIC18F4580 for larger projects. The industrial temperature rating means student designs transfer directly to commercial hardware.
推荐
推荐产品汇总
工程参考数据： PIC18F4480T-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC18F4480-I/PT | PIC18F4580T-I/PT | PIC18F4480T-I/ML | PIC18F4455-I/PT | PIC18F43K22-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10) | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin QFN (8x8) | 44-pin TQFP - same | 44-pin TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16 KB | 16 KB | 32 KB | 16 KB | 24 KB | 8 KB |
| RAM | 768 B | 768 B | 1536 B | 768 B | 2 KB | 512 B |
| Max Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 48 MHz | 64 MHz |
| CAN Module | Yes (hardware) | Yes | Yes | Yes | No | No |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 5.5 V | 2.3 V to 5.5 V |
| Temperature Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 36 |
关键差异点
- Tube vs Tape-and-Reel packaging variant for SMT assembly lines （对比 PIC18F4480-I/PT)
- Double Flash for larger firmware stacks （对比 PIC18F4480T-I/PT (this product))
- Lower-power 2.0-5.5V operation across the full voltage range （对比 PIC18F4455-I/PT)
- Integrated CAN 2.0B hardware controller （对比 PIC18F43K22-I/PT)
设计说明
Place a 0.1 uF decoupling capacitor within 5 mm of each VDD pin (pins 31 and 43 on the TQFP-44) and a bulk 10 uF tantalum or ceramic capacitor on the same supply rail. The AVDD/AVSS analog supply pair (pins 7/6) requires its own 0.1 uF + 10 uF decoupling network and should be filtered from the digital VDD via a ferrite bead or 10 ohm resistor for ADC accuracy. Estimated: at 40 MHz with all peripherals enabled, VDD current is roughly 25-35 mA per the Microchip PIC18F4480 datasheet DC characteristics.
The TQFP-44 (10x10) package has theta_JA of approximately 45 C/W in still air. Estimated: at typical 5V/30mA operation the part dissipates ~150 mW, yielding a junction temperature rise of ~7 C above ambient - well within the -40C to +85C industrial range. For enclosed designs with restricted airflow, provide thermal copper pours beneath the exposed pad area to reduce theta_JA. The QFN-44 variant (PIC18F4480T-I/ML) has a thermal pad that must be soldered to a copper ground plane for proper heat dissipation.
Route the analog AVSS/AVDD traces separately from digital VDD/VSS - use a star-ground topology with the analog ground return at the MCU's AVSS pin. Keep ADC analog input traces (AN0-AN7) short and away from switching signals such as PWM outputs (ECCP) and crystal traces. The crystal pins OSC1/OSC2 (13/14) should be guarded by a ground ring on both sides and the load capacitors placed within 3 mm of the MCU. For CAN bus designs, keep CANRX/CANTX (pins 37/38) traces short and matched in length to the MCP2551 transceiver.
Do NOT connect MCLR (pin 44) directly to VDD - always use the recommended 10 kohm pull-up to VDD plus a 100 nF cap to ground for noise immunity; direct connection disables in-circuit programming. The PGC/PGD pins (RB6/RB7, pins 29/30) must be isolated from external circuitry during ICSP programming or debugging sessions fail. When using the internal ADC, add 1-10 ms software delays after channel-switch to allow the sample-and-hold capacitor to settle per the Microchip datasheet AC characteristics.
For CAN bus designs, verify the CAN bit-timing registers match the network baud rate using the Microchip CAN bit-rate calculator tool - common mistakes include miscalculated BRP values that cause bit-stuffing errors. The MCP2551 transceiver should be placed within 50 mm of the MCU's CANRX/CANTX pins to keep stub lengths short. Add a 120 ohm termination resistor at each end of the CAN bus, not at the MCU. For MSSP SPI operation above 5 MHz, keep SCK/SDO/SDI trace lengths below 30 mm and use series 33 ohm damping resistors near the MCU pins.
合规信息
RoHS compliant per Microchip product page; not AEC-Q100 qualified - this MCU is intended for industrial and aftermarket automotive, not OEM safety-critical automotive deployments