PIC32MX150F256LT-50I/PF - 50MHz 256KB Flash MCU | Microchip
MPN： PIC32MX150F256LT-50I/PF ✓ 啟用中PIC32MX150F256LT-50I/PF 概覽
A 32-bit microcontroller (MCU) is a programmable embedded processor that uses 32-bit data paths, registers, and addresses. Within the embedded hierarchy, the PIC32MX family sits between 8/16-bit MCUs (PIC10/12/16, PIC24/dsPIC) and high-performance ARM Cortex-M cores; the M4K architecture targets cost-sensitive applications needing more headroom than 16-bit parts while remaining simpler than Cortex-M4 designs. This positioning is ideal for industrial control, IoT edge nodes, and consumer graphics HMIs.
Key features include Peripheral Pin Select (PPS) for flexible signal routing, a 10-bit ADC with multiple channels, USB 2.0 full-speed On-The-Go (OTG), and a Real-Time Clock/Calendar (RTCC) with calendar mode. The device operates from 2.3V to 3.6V across an industrial -40C to +85C range. With DMA on USB and PMP, offloading data movement reduces CPU load and improves throughput.
The architecture uses a 5-stage pipeline Harvard design with single-cycle multiply and hardware divide. The 256 KB Flash supports self-programming and live updates, while 32 KB RAM is sufficient for TCP/IP stacks such as Microchip's Harmony TCP/IP. Cryptographic and hash accelerators are not integrated; designers requiring TLS acceleration should consider PIC32MK or SAM E70 families.
Typical applications include industrial automation controllers, USB peripherals (HID, CDC, mass storage), graphic TFT HMI panels via PMP, multi-protocol sensor hubs, and audio playback using I2S to an external DAC. The combination of USB OTG, PMP graphics, and dual I2S makes it especially suited to low-cost multimedia appliances.
Designers should plan decoupling with 100 nF ceramic capacitors on every VDD/VSS pair plus a 10 uF bulk capacitor near the regulator. The PPS configuration must be locked early in initialization; USB DP/DM traces require 90 ohm differential impedance and common-mode choke for EMC compliance.
This page consolidates distributor pricing, same-brand Microchip drop-in equivalents, cross-brand pin-compatible alternatives, and design guidance not found on any single manufacturer or distributor page.
直接替換替代品，適用於 PIC32MX150F256LT-50I/PF — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC32MX150F256LT-50I/PF （相同外形與佔位） — 差異在於 ADC, USB, Core Architecture, Parallel Master Port (PMP), Program Flash Memory.
PIC32MX150F256L-50I/PF
✅ 直接替換聯絡詢價
查看資料表 →PIC32MX150F256LT-I/PF
✅ 直接替換聯絡詢價
查看資料表 →PIC32MX250F256B-I/PF
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC32MX170F256B-I/PF
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC32MX150F256H-50I/PF
✅ 直接替換 ⚠️ 規格未經驗證📋 參考替代品（不在目錄中）
PIC32MX150F256LT-50I/PF 最大額定值與電氣特性
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Frequency | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| Flash Program Memory | 256 KB (256K x 8) |
| SRAM | 32 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| 工作溫度範圍 | -40 C to +85 C (Industrial) |
| ADC | 10-bit, multiple channels |
| I2S Modules | 2 |
| SPI Modules | 4 |
| USB | USB 2.0 Full-Speed OTG |
| Parallel Master Port (PMP) | Yes, dual read/write buffers |
| Peripheral Pin Select (PPS) | Yes |
| RTCC | Yes, calendar mode |
| 封裝 | 100-pin TQFP (14x14 mm) |
| 安裝類型 | Surface Mount |
| Lead-Free / RoHS | Lead-free / RoHS compliant |
| Programming/Debug | ICSP via MPLAB tools |
PIC32MX150F256LT-50I/PF 100-pin tqfp (14x14 mm) 腳位配置指南
PIC32MX150F256LT-50I/PF（100-pin tqfp (14x14 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： PIC32MX150F256LT-50I/PF.
請參閱 資料表 以查看完整腳位配置。
典型應用
PIC32MX150F256LT-50I/PF 適用於 8 應用s: Industrial Automation Controllers, USB HID and CDC Peripherals, TFT LCD HMI Panels, Audio Playback Appliances, Multi-Protocol Sensor Hubs, Home Automation Edge Nodes, Portable Medical Data Loggers, Educational Development Platforms.
Industrial Automation Controllers
The PIC32MX150F256LT-50I/PF suits industrial controllers thanks to 50 MHz MIPS32 M4K performance, 32 KB RAM, and PMP for parallel I/O expansion. Peripheral Pin Select (PPS) routes SPI to motor drivers, I2C to sensor hubs, and UART to RS-485 transceivers without rewiring the PCB. The -40C to +85C industrial range and 256 KB Flash support field-upgradable firmware with OTA bootloaders; USB OTG enables diagnostic logging via thumb drives.
推薦
USB HID and CDC Peripherals
The integrated USB 2.0 Full-Speed OTG controller with dedicated DMA channels simplifies HID keyboards, mice, CDC serial bridges, and vendor-class devices. PIC32MX150F256LT-50I/PF's 256 KB Flash holds the Microchip Harmony USB stack plus application firmware, while 32 KB RAM handles HID report queues and protocol stacks without external memory. Pin count (100 TQFP) leaves ample GPIOs for buttons, LEDs, and capacitive touch pads.
推薦
TFT LCD HMI Panels
The Parallel Master Port (PMP) with dual read/write buffers drives TFT LCDs up to 480x272 QVGA at low refresh rates for cost-sensitive HMIs. PIC32MX150F256LT-50I/PF's 50 MHz / 83 DMIPS throughput sustains framebuffer transfer while leaving headroom for touch event processing and 10-bit ADC scanning. PPS allows flexible pin remapping when migrating between display vendors. Add an external 16-bit QSPI Flash for asset caching.
推薦
Audio Playback Appliances
Two I2S and four SPI modules allow PIC32MX150F256LT-50I/PF to drive external audio DACs, stream from SD cards via SPI, and feed Class-D amplifiers. With 50 MHz MIPS throughput, sample-rate conversion and basic DSP effects run in real time without external codecs. DMA offloads I2S transfers, freeing the CPU for UI, control, and Bluetooth command handling over UART. The 100-pin TQFP leaves enough GPIO for rotary encoders and LCDs.
推薦
Multi-Protocol Sensor Hubs
PIC32MX150F256LT-50I/PF consolidates sensor data from SPI sensors, I2C devices, and analog inputs into a USB or UART uplink. The 32 KB RAM supports small sensor-fusion kernels and packetization, while PPS remapping routes UART to RS-485 or RS-232 transceivers without board respins. Industrial -40C to +85C operation suits factory-floor installations. RTCC with calendar mode timestamps data logs.
推薦
Home Automation Edge Nodes
PIC32MX150F256LT-50I/PF operates as a low-cost edge node for home automation, aggregating Zigbee or LoRa UART bridges and exposing a Wi-Fi link through an external ESP32 co-processor. The 256 KB Flash holds a TCP/IP stack plus automation scripting, while the 32 KB RAM supports connection tables and event queues. USB OTG enables firmware updates from a thumb drive; the 100-pin TQFP exposes enough GPIOs for relays and triac drivers.
推薦
Portable Medical Data Loggers
Low-power sleep modes plus RTCC make PIC32MX150F256LT-50I/PF suitable for battery-powered medical data loggers that wake periodically, sample sensors, and store encrypted records. USB OTG allows clinical staff to retrieve logs directly. With industrial temperature rating and 256 KB Flash, the device supports multi-patient logging periods and on-device encryption libraries. PPS routes the ADC to multi-electrode analog front ends.
推薦
Educational Development Platforms
PIC32MX150F256LT-50I/PF is widely used in university embedded courses because of its accessible 100-pin TQFP, free MPLAB X IDE, and abundant Harmony framework code examples. Students learn RTOS concepts, USB stacks, and PMP graphics on a single MCU. 256 KB Flash and 32 KB RAM host real-world projects; ICSP debugging via MPLAB Snap costs under $30. PPS teaches pin-mux fundamentals and migration skills.
推薦
推薦產品摘要
工程參考資料，適用於 PIC32MX150F256LT-50I/PF — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC32MX150F256L-50I/PF | PIC32MX150F256LT-I/PF | PIC32MX250F256B-I/PF | PIC32MX170F256B-I/PF | PIC32MX150F256H-50I/PF |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-64 (different footprint) |
| Maximum CPU Frequency | 50 MHz | 50 MHz | 40 MHz | 50 MHz | 50 MHz | 50 MHz |
| DMIPS | 83 DMIPS | 83 DMIPS | 66 DMIPS | 83 DMIPS | 83 DMIPS | 83 DMIPS |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 64 KB | 32 KB |
| Operating Voltage | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
| PMP (Graphics) | Yes | Yes | Yes | Yes | Yes | Yes |
主要差異化特點
- Highest integration of USB OTG + PMP + PPS at 50 MHz in 100-pin TQFP (對比PIC32MX150F256LT-I/PF)
- Tape-and-reel packaging suited for SMT production lines (對比PIC32MX150F256L-50I/PF)
- Same-footprint migration path to PIC32MX2 family (對比PIC32MX250F256B-I/PF)
- 256 KB Flash + 32 KB RAM optimal for USB + Harmony TCP/IP stack (對比PIC32MX150F128B-I/SP)
設計說明
Place a 10uF bulk capacitor near the MCU VDD pins plus 100nF ceramics on every AVDD/AVSS pair. Use an LDO with <50 mV dropout at peak current (~70 mA active) for USB OTG; the MCP1700-3302E or TPS7A0230 are common choices. Estimated: 50 MHz CPU peak IDD is ~60-70 mA with USB + PMP active; USB suspend requires <2.5 mA per USB 2.0 spec. Decouple VBAT independently if RTCC retention is required.
Route USB DP/DM as a 90 ohm differential pair with continuous ground reference, length-matched within 150 mil. The PMP data bus should also be length-matched within 500 mil for clean TFT latching. Place the 12 MHz crystal within 200 mil of the OSCI/OSCO pins with a guard ring tied to ground; the secondary oscillator pins for RTCC also benefit from short traces and a clean analog ground island. PPS mapping must be initialized before peripheral enable to avoid pin contention.
PPS is unlocked by default and must be assigned early in system startup before peripheral bring-up. The 256 KB Flash cannot be erased below sector size; using self-programming for OTA updates requires reserving a bootloader region. The USB module's VBUS sense pin must be tied to 5V through a resistor divider (not directly) per datasheet. Avoid toggling peripheral pins during PPS reconfiguration - ghost signals can damage external drivers. Always lock the configuration bits to prevent accidental writes to oscillator config.
Estimated: At 50 MHz full CPU + USB + PMP, total power dissipation is ~250 mW (50 MHz * 5 mA/MHz typical from datasheet). The 100-pin TQFP has theta_JA ~50 C/W on a 4-layer PCB, giving junction rise ~12.5 C above ambient. Industrial -40C to +85C ambient leaves room for self-heating; however, hot-85C ambient with no airflow may push Tj to 97.5 C - still under the 125 C max. Add thermal vias under the exposed pad if available.
PMP at 50 MHz is fast enough to need source-series termination if driving capacitive loads >35 pF. The I2S MCLK output can introduce spurs into analog audio paths - route away from audio DAC reference pins. PPS-mapped functions inherit the GPIO drive strength; high-speed peripherals like SPI at 25 MHz may need 8 mA drive mode. Use a series ferrite on VDD if the design shares a noisy USB bus with analog sensors.
合規資訊
RoHS-compliant per Microchip product page. Not AEC-Q100 qualified - PIC32MX150 family targets industrial/consumer markets. Halogen-free status not explicitly stated in retrieved web data; default Microchip TQFP packaging is lead-free and Pb-free.
