PIC18F46J13T-I/PT - 8-bit 48MHz 64KB Flash MCU TQFP-44 | Microchip
料号： PIC18F46J13T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.46 | $3.46 |
| 10 | $3.11 | $31.10 |
| 100 | $2.65 | $265.00 |
| 500 | $2.3 | $1,150.00 |
| 1,000 | $1.99 | $1,990.00 |
PIC18F46J13T-I/PT 概述
A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip's PIC18 family, which sits in the broader hierarchy of microcontroller -> embedded controller -> semiconductor IC. The PIC18J-series adds 3.3V operation, higher memory density, and richer peripherals versus older PIC18F baselines, while preserving code compatibility with PIC18 instruction set. nanoWatt XLP technology extends deep-sleep current down to the nanoampere range, making the J-series suited for battery-powered or energy-harvesting designs.
Key features include 64KB self-programmable Flash, 4KB SRAM, 12-bit A/D converter with auto-acquisition, multiple serial peripherals (UART, SPI, I2C), and four timer modules. Deep-sleep mode, Sleep mode, and Idle mode combine with nanoWatt XLP to deliver battery lifetimes measured in years for typical sensor applications.
The device uses a modified Harvard architecture with a 16-bit instruction word and 8-bit data path, executed by an 8-stage pipeline. The 48MHz internal oscillator provides 12 MIPS instruction throughput, sufficient for sensor fusion, simple HMI control, and peripheral orchestration tasks.
Typical applications include consumer white goods, smart thermostats, low-power sensor nodes, USB peripherals, and industrial control boards where the 64KB/4KB memory profile and rich peripherals match the application's needs without paying for an excess MCU.
When designing with this MCU, ensure decoupling capacitors are placed close to VDD/VSS pins and that unused I/O are configured as outputs to minimize current draw. Brown-out reset configuration should match the operating voltage to prevent code corruption during supply droops.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC18F46J13T-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： PIC18F46J13T-I/PT （相同外形与封装尺寸） ——差异在于 Package, Operating Temperature, Timers, A/D Converter, Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC18F46J13-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F46J13-I/ML
✅ 直接替换✓ 有现货
$4.38 / 个
查看数据手册 →PIC18F46J13T-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F45J11T-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F46J50-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F46K22-I/PT
✅ 直接替换✓ 有现货
$2.32 / 个
查看数据手册 →PIC18F45K22-I/PT
✅ 直接替换✓ 有现货
$2.65 / 个
查看数据手册 →PIC18F46J13T-I/PT 最大额定值与电气特性
| Core | PIC18 8-bit RISC |
| Instruction Set | PIC18 (16-bit instruction word, 8-bit data path) |
| Program Memory | 64 KB Flash |
| Data Memory (SRAM) | 4 KB |
| Operating Frequency | Up to 48 MHz (12 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| I/O Pins | 36 |
| A/D Converter | 12-bit, up to 13 channels |
| Timers | 4 (Timer0/1/2/3) |
| Communication | UART, SPI, I2C |
| Low-Power Technology | nanoWatt XLP with Deep-sleep mode |
| 封装 | 44-pin TQFP (10x10 mm) |
| 工作温度 | -40 C to +85 C (Industrial) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC18F46J13T-I/PT 引脚配置
| 引脚 1 | RB0/AN12/INT0 — Port B bit 0 / analog input 12 / external interrupt 0 |
| 引脚 2 | RB1/AN10/INT1 — Port B bit 1 / analog input 10 / external interrupt 1 |
| 引脚 3 | RB2/AN8 — Port B bit 2 / analog input 8 |
| 引脚 4 | RB3/AN9 — Port B bit 3 / analog input 9 |
| 引脚 5 | RB4/AN11 — Port B bit 4 / analog input 11 |
| 引脚 6 | RB5/AN13 — Port B bit 5 / analog input 13 |
| 引脚 7 | RB6/PGC — Port B bit 6 / ICSP clock |
| 引脚 8 | RB7/PGD — Port B bit 7 / ICSP data |
| 引脚 9 | VSS — Ground reference |
| 引脚 10 | VDD — Positive supply voltage (2.0-3.6V) |
| 引脚 11 | RC0/T1OSO — Port C bit 0 / Timer1 oscillator output |
| 引脚 12 | RC1/T1OSI — Port C bit 1 / Timer1 oscillator input |
| 引脚 13 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM 1 |
| 引脚 14 | RC3/SCL1 — Port C bit 3 / I2C1 clock |
| 引脚 15 | RC4/SDA1 — Port C bit 4 / I2C1 data |
| 引脚 16 | RC5 — Port C bit 5 |
| 引脚 17 | RC6 — Port C bit 6 |
| 引脚 18 | RC7 — Port C bit 7 |
| 引脚 19 | VSS — Ground reference |
| 引脚 20 | VDD — Positive supply voltage (2.0-3.6V) |
| 引脚 21 | RA0/AN0 — Port A bit 0 / analog input 0 |
| 引脚 22 | RA1/AN1 — Port A bit 1 / analog input 1 |
| 引脚 23 | RA2/AN2/VREF- — Port A bit 2 / analog input 2 / ADC VREF- |
| 引脚 24 | RA3/AN3/VREF+ — Port A bit 3 / analog input 3 / ADC VREF+ |
| 引脚 25 | RA4/AN4 — Port A bit 4 / analog input 4 |
| 引脚 26 | RA5/AN5 — Port A bit 5 / analog input 5 |
| 引脚 27 | RA6/OSC2 — Port A bit 6 / oscillator output |
| 引脚 28 | RA7/OSC1 — Port A bit 7 / oscillator input |
| 引脚 29 | VSS — Ground reference |
| 引脚 30 | VDD — Positive supply voltage (2.0-3.6V) |
| 引脚 31 | RE0/AN6 — Port E bit 0 / analog input 6 |
| 引脚 32 | RE1/AN7 — Port E bit 1 / analog input 7 |
| 引脚 33 | RE2 — Port E bit 2 |
| 引脚 34 | RE3 — Port E bit 3 |
| 引脚 35 | MCLR — Master clear reset (active-low) |
| 引脚 36 | RD0 — Port D bit 0 |
| 引脚 37 | RD1 — Port D bit 1 |
| 引脚 38 | RD2 — Port D bit 2 |
| 引脚 39 | RD3 — Port D bit 3 |
| 引脚 40 | RD4 — Port D bit 4 |
| 引脚 41 | RD5 — Port D bit 5 |
| 引脚 42 | RD6 — Port D bit 6 |
| 引脚 43 | RD7 — Port D bit 7 |
| 引脚 44 | VSS — Ground reference |
典型应用
PIC18F46J13T-I/PT 适用于 6 应用s: Battery-Powered Sensor Node, Smart Thermostat Controller, USB Human-Interface Device (HID), Industrial Control Board, Consumer White Goods, Low-Cost Data Logger.
Battery-Powered Sensor Node
The PIC18F46J13T-I/PT is well suited for battery-powered wireless or wired sensor nodes thanks to its nanoWatt XLP technology, with Deep-sleep current in the nanoampere range per the Microchip datasheet. The 12-bit ADC with 13 channels handles multiple analog sensors (temperature, humidity, light) while 64KB Flash accommodates sensor-fusion algorithms and 4KB SRAM buffers raw readings. Operating from 2.0V to 3.6V, the device runs directly from a single 3.3V regulator or 2xAA cell stack. Designers duty-cycle the MCU: wake on timer or external interrupt, sample sensors, transmit, then return to Deep-sleep. This pattern extends coin-cell battery life into multi-year ranges, ideal for HVAC, environmental, and structural-health monitoring deployments.
推荐
Smart Thermostat Controller
The PIC18F46J13T-I/PT serves as the main controller in smart thermostat designs, where its 36 I/O pins drive LCD/keypad interfaces, triac outputs for HVAC load switching, and I2C sensor buses for ambient temperature and humidity measurement. The 12-bit ADC provides precise thermistor or RTD signal conditioning with 0.024% resolution at 3.3V full scale. 64KB Flash holds scheduling firmware, PID loops, and Wi-Fi/BLE co-processor command stacks. Per the manufacturer datasheet, Sleep and Idle modes reduce idle power when the HVAC system is steady-state, while the 48MHz core ensures responsive UI updates. Industrial -40C to +85C rating supports uninsulated wall-mount deployments.
推荐
USB Human-Interface Device (HID)
The PIC18F46J13T-I/PT can drive USB HID peripherals (keyboards, mice, custom controls) when paired with an external USB transceiver, or serve as the host controller for low-speed USB devices in industrial settings. The 48MHz / 12 MIPS throughput sustains USB polling and HID report generation within timing margins. 4KB SRAM buffers HID reports and command sequences while 64KB Flash stores descriptor tables and application logic. Per the Microchip datasheet, the integrated UART/SPI/I2C peripherals enable bridge functions between USB and legacy serial interfaces, useful for firmware-upgrade dongles or industrial configuration tools operating from a 3.3V rail.
推荐
Industrial Control Board
The PIC18F46J13T-I/PT fits industrial control boards where moderate memory, rich peripherals, and 3.3V operation simplify design. 36 I/O drive relays, optocouplers, and discrete status LEDs across PLC-style I/O racks. The 12-bit ADC monitors 4-20mA current loops through burden resistors, while UART/SPI peripherals connect to HMI panels or SCADA gateways. Per the manufacturer datasheet, the -40C to +85C industrial temperature range tolerates unheated cabinet installations. nanoWatt XLP Deep-sleep mode enables sleep current below 100nA in standby, valuable for solar-powered remote telemetry units in SCADA networks.
推荐
Consumer White Goods
The PIC18F46J13T-I/PT powers consumer white goods such as washing machines, dishwashers, and coffee makers, where 64KB Flash holds motor-control algorithms and HMI state machines. The 12-bit ADC reads water level, temperature, and motor current sensing; PWM channels drive TRIACs and variable-frequency motor stages. Per the manufacturer datasheet, deep-sleep current allows standby power to stay below 0.5W, meeting global energy-efficiency regulations. Operating at 3.3V simplifies integration with capacitive-touch controllers and OLED displays common in modern appliance UI.
推荐
Low-Cost Data Logger
The PIC18F46J13T-I/PT acts as the core of low-cost SD-card or serial-flash data loggers for field-deployed monitoring. With 64KB Flash program memory and 4KB SRAM, the device runs FAT32 stack and timestamp routines while the 12-bit ADC samples sensors at up to 100 ksps. nanoWatt XLP Sleep mode between samples limits battery drain to under 1uA average for multi-month deployments. Per the Microchip datasheet, SPI peripheral communicates directly with SD card transceivers, eliminating an external memory controller. The industrial temperature grade handles outdoor or unconditioned enclosure deployments.
推荐
推荐产品汇总
工程参考数据： PIC18F46J13T-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 | PIC18F46J13-I/PT | PIC18F46J13-I/ML | PIC18F46J13T-E/PT | PIC18F45J11T-I/PT | PIC18F46J50-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | TQFP-44 family - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC18 8-bit | PIC18 8-bit | PIC18 8-bit | PIC18 8-bit | PIC18 8-bit | PIC18 8-bit K-series |
| Flash Memory | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB | 64 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 2 KB | 3.8 KB | 3.8 KB |
| Maximum Frequency | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 48 MHz / 12 MIPS | 64 MHz / 16 MIPS |
| ADC | 12-bit, 13 channels | 12-bit, 13 channels | 12-bit, 13 channels | 10-bit, 13 channels | 10-bit, 13 channels | 12-bit, 17 channels |
| USB | No (external transceiver required) | No | No | No | Yes (USB 2.0 Full-Speed integrated) | No |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 1.8 V to 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C |
关键差异点
- Same die, tape-and-reel packaging for automated SMT assembly （对比 PIC18F46J13-I/PT)
- Integrated USB 2.0 Full-Speed peripheral for native USB applications （对比 PIC18F46J50-I/PT)
- 5V-tolerant K-series operation for noisy industrial buses （对比 PIC18F46K22-I/PT)
设计说明
Place 100nF decoupling capacitors on every VDD/VSS pair of the PIC18F46J13T-I/PT (pins 10/9, 20/19, 30/29, and pin 44 VSS). Add a 10uF bulk capacitor near the supply pins. For nanoWatt XLP Deep-sleep operation, ensure unused pins are configured as outputs (driven low) and peripherals are disabled to minimize current draw.
Route MCLR (pin 35) through a 10k pull-up resistor and a 100nF capacitor to ground for proper in-circuit serial programming (ICSP). Keep the ICSP clock (RB6/PGC, pin 7) and data (RB7/PGD, pin 8) traces short and away from switching nodes to avoid programming failures. The TQFP-44 (10x10 mm) package has a 0.8mm pitch requiring careful trace escape routing on inner layers.
Do not exceed 3.6V on any pin of the PIC18F46J13T-I/PT; this PIC18J-series part is NOT 5V tolerant unlike the K-series. Use level shifters when interfacing to 5V logic. Configure BOR (Brown-Out Reset) voltage threshold to match VDD ramp profile to prevent Flash corruption during power-up or power-down. The 12-bit ADC reference voltage (RA3/VREF+, RA2/VREF-) must be stable; add 100nF bypass on VREF+ if used externally.
合规信息
RoHS compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified - choose PIC18F46J13T-E/PT (extended temperature grade) for harsher environments. Reach and conflict minerals compliance confirmed via Microchip product documentation.