PIC32MX150F256LT-50I/PF - 50MHz 256KB Flash MCU | Microchip
MPN: PIC32MX150F256LT-50I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.95 | $7.95 |
| 10 | $7.16 | $71.60 |
| 100 | $5.97 | $597.00 |
| 500 | $5.25 | $2,625.00 |
| 1,000 | $4.65 | $4,650.00 |
PIC32MX150F256LT-50I/PF Overview
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.
Drop-in alternatives for PIC32MX150F256LT-50I/PF — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32MX150F256LT-50I/PF (same form factor and footprint) — differing in ADC, USB, Core Architecture, Parallel Master Port (PMP), Program Flash Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX150F256L-50I/PF
✅ Drop-In✓ In Stock
$5.4 / Unit
View Datasheet →PIC32MX150F256LT-I/PF
✅ Drop-In✓ In Stock
$4.55 / Unit
View Datasheet →PIC32MX250F256B-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX170F256B-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX150F256H-50I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX150F256LT-50I/PF Maximum Ratings & Electrical Characteristics
| 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 |
| Operating Temperature Range | -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 |
| Package | 100-pin TQFP (14x14 mm) |
| Mounting Type | Surface Mount |
| Lead-Free / RoHS | Lead-free / RoHS compliant |
| Programming/Debug | ICSP via MPLAB tools |
PIC32MX150F256LT-50I/PF 100-pin tqfp (14x14 mm) Pin Configuration Guide
Pin configuration for PIC32MX150F256LT-50I/PF (100-pin tqfp (14x14 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC32MX150F256LT-50I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX150F256LT-50I/PF is suitable for 8 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX150F256LT-50I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- Highest integration of USB OTG + PMP + PPS at 50 MHz in 100-pin TQFP (vs PIC32MX150F256LT-I/PF)
- Tape-and-reel packaging suited for SMT production lines (vs PIC32MX150F256L-50I/PF)
- Same-footprint migration path to PIC32MX2 family (vs PIC32MX250F256B-I/PF)
- 256 KB Flash + 32 KB RAM optimal for USB + Harmony TCP/IP stack (vs PIC32MX150F128B-I/SP)
Design Notes
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.
Compliance Information
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.
