PIC32MX150F128CT-V/TL - 32-bit MCU 128KB Flash 40MHz 36-VTLA | Microchip
MPN: PIC32MX150F128CT-V/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.46 | $4.46 |
| 10 | $4.13 | $41.30 |
| 100 | $3.69 | $369.00 |
| 500 | $3.32 | $1,660.00 |
| 1,000 | $3.05 | $3,050.00 |
PIC32MX150F128CT-V/TL Overview
Microcontrollers (MCUs) are programmable semiconductor devices that integrate a CPU core, memory and a rich set of digital and analog peripherals on a single die. The PIC32MX1xx family specifically targets cost-sensitive, USB-enabled embedded applications by combining a 32-bit MIPS core (linear-regulator-class successor to PIC24/dsPIC) with a 5-volt-tolerant I/O ring and a USB PHY, occupying the tier below higher-end PIC32MX3xx/4xx/5xx/6xx/7xx parts.
Key features that differentiate this part include a hardware DMA controller with four channels and automatic data-size detection, two separate PLLs for the CPU and the USB 48 MHz clock, a configurable Watchdog Timer with an on-chip low-power RC oscillator, and multiple low-power modes (Idle, Sleep) that drop quiescent current to microamp levels. The 5-volt-tolerant I/O and Audio/Graphics-compatible PWM/CCP make it well suited for cost-sensitive consumer and industrial Human-Machine Interface boards.
Architecture-wise, the PIC32MX1xx is built on a 32-bit MIPS M4K Harvard architecture featuring separate Flash and SRAM buses, a single-cycle hardware multiplier/divider, and a Prefetch Cache that hides Flash wait states. Compared with the older PIC24/dsPIC families, the M4K core executes most instructions in a single cycle and offers significantly higher code density for C workloads, while remaining code-compatible with the MPLAB XC32 toolchain.
Typical applications include low-cost USB Human Interface Devices (HID), small audio playback devices using PWM or I2S bridges, graphic LCD control panels, low-end embedded WiFi/BLE gateways, and industrial sensor nodes requiring ADC sampling above 250 kHz. The combination of USB-OTG and 12-bit 1 Msps ADC also opens the door to data-acquisition front-ends and USB-CDC virtual COM ports on factory-floor equipment.
When designing with this MCU, note that the VTLA package has an exposed thermal pad that MUST be soldered to the PCB ground plane for proper thermal dissipation and electrical performance. For best USB-2.0 signal integrity, route the D+/D- lines as a 90-ohm differential pair and supply VBUS with a 4.7 uF bulk capacitor per the USB specification.
This page synthesizes distributor pricing, drop-in alternatives within the same PIC32MX1xx family, and practical design notes that go beyond the manufacturer datasheet, giving engineers a single reference for evaluation, sourcing and second-source qualification.
Drop-in alternatives for PIC32MX150F128CT-V/TL — 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 PIC32MX150F128CT-V/TL (same form factor and footprint) — differing in ADC, Timers, Package, Operating Temperature, DMA Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX150F128CT-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.41 / Unit
View Datasheet →PIC32MX150F128C-V/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.5 / Unit
View Datasheet →PIC32MX150F128C-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.78 / Unit
View Datasheet →PIC32MX130F256D-V/TL
✅ Drop-In✓ In Stock
$2.1 / Unit
View Datasheet →PIC32MX130F256DT-V/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.61 / Unit
View Datasheet →PIC32MX120F032C-V/TL
✅ Drop-In✓ In Stock
$2.58 / Unit
View Datasheet →PIC32MX150F128CT-V/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Core Type | 32-bit RISC |
| Maximum CPU Clock | 40 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) |
| Data RAM | 32 KB |
| I/O Pins | 21 |
| ADC | 10-bit, up to 12 channels, 1 Msps |
| USB | USB 2.0 Full-Speed OTG |
| Timers | Five 16-bit |
| UART | 2 |
| I2C | 2 |
| SPI | 2 |
| DMA Channels | 4 (with automatic data-size detection) |
| PLLs | 2 (separate for CPU and USB) |
| Package | 36-VTLA (5x5 mm) with exposed pad |
| Operating Temperature Range (V suffix) | -40C to +105C |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC32MX150F128CT-V/TL Pin Configuration
| Pin 1 | RPB0/AN0/C1IN+/PGED1 — Remappable I/O, analog input, op-amp input, programming data |
| Pin 2 | RPB1/AN1/C1IN-/CVREF/PGEC1 — Remappable I/O, analog input, op-amp input, CV reference, programming clock |
| Pin 3 | RPB2/AN2/C2IN+/SDA2 — Remappable I/O, analog input, I2C2 SDA |
| Pin 4 | RPB3/AN3/C2IN-/SCL2 — Remappable I/O, analog input, I2C2 SCL |
| Pin 5 | VSS — Ground |
| Pin 6 | RPA0/TMSABLE — Remappable I/O, JTAG test mode select |
| Pin 7 | RPA1/TDO — Remappable I/O, JTAG test data out |
| Pin 8 | RPA3/TDI — Remappable I/O, JTAG test data in |
| Pin 9 | TCK/RPA2 — JTAG test clock / remappable I/O |
| Pin 10 | VBUS — USB bus power detect |
| Pin 11 | VUSB — USB transceiver supply (3.3V regulated from VBUS) |
| Pin 12 | D+ — USB D+ differential data line |
| Pin 13 | D- — USB D- differential data line |
| Pin 14 | VDD — Digital supply voltage (2.3V to 3.6V) |
| Pin 15 | RPG6/RP11/SOSC2 — Remappable I/O, secondary oscillator |
| Pin 16 | RPG7/RP10/SOSC1 — Remappable I/O, secondary oscillator |
| Pin 17 | NC — Not connected (per datasheet) |
| Pin 18 | NC — Not connected (per datasheet) |
| Pin 19 | RPG9/RP9 — Remappable I/O |
| Pin 20 | VSS — Ground |
| Pin 21 | RPB5/AN5/C1INA/RPB5 — Remappable I/O, analog input, op-amp input |
| Pin 22 | RPB6/AN6/OC1/RPB6 — Remappable I/O, analog input, output compare |
| Pin 23 | RPB7/AN7/OC2/RPB7 — Remappable I/O, analog input, output compare |
| Pin 24 | RPC0/AN8/RPC0 — Remappable I/O, analog input |
| Pin 25 | RPC1/AN9/RPC1 — Remappable I/O, analog input |
| Pin 26 | RPC2/AN10/CVREF/RPC2 — Remappable I/O, analog input, CV reference |
| Pin 27 | VREF+/AN11/RPC3 — ADC positive reference, analog input |
| Pin 28 | VREF-/AN12/RPB8 — ADC negative reference, analog input |
| Pin 29 | RPB9/AN13/RPB9 — Remappable I/O, analog input |
| Pin 30 | RPB10/AN14/RPB10 — Remappable I/O, analog input |
| Pin 31 | RPB11/AN15/RPB11 — Remappable I/O, analog input |
| Pin 32 | VSS — Ground |
| Pin 33 | VDD — Digital supply voltage |
| Pin 34 | RPB12/RPB12 — Remappable I/O |
| Pin 35 | RPB13/RPB13 — Remappable I/O |
| Pin 36 | EP — Exposed thermal pad (must be soldered to PCB ground for thermal and electrical performance) |
Typical Applications
PIC32MX150F128CT-V/TL is suitable for 6 applications: USB Human Interface Device (HID), Industrial Sensor Data Logger, Low-Cost Audio Playback Device, Graphic LCD Control Panel, USB CDC Virtual COM Port Device, Automotive Body Electronics Node.
USB Human Interface Device (HID)
The PIC32MX150F128CT-V/M4L integrates a USB 2.0 Full-Speed OTG PHY plus a 32 KB SRAM buffer that comfortably hosts HID report buffers and MPLAB Harmony HID stacks. With 128 KB of Flash the device can run composite HID (keyboard + mouse + consumer control) stacks and a small RTOS without external memory. The 40 MHz MIPS M4K core delivers enough headroom for 1000 Hz polling rates, while the dedicated USB PLL supplies the 48 MHz USB clock without burdening the system PLL. Place a 4.7 uF VBUS bulk capacitor and route D+ versus D- as a 90-ohm differential pair for full USB compliance.
Recommended
Industrial Sensor Data Logger
With a 10-bit 1 Msps ADC and up to 12 analog input channels, the PIC32MX150F128CT-V/M4L can sample multiple analog inputs at high sample rates for legacy industrial front-ends. The 32 KB SRAM holds sizeable data buffers while the 4-channel DMA controller streams ADC conversions into memory without CPU intervention. The four DMA channels support automatic data-size detection, simplifying chained ADC-to-UART transfers. Combined with the AEC-Q100 V temperature grade (-40C to +105C) the part fits factory-floor and outdoor instrumentation deployments.
Recommended
Low-Cost Audio Playback Device
The PIC32MX150F128CT-V/M4L PWM/CCP peripherals plus 32 KB of SRAM make it suitable for low-bitrate audio playback via PWM-to-analog low-pass-filtered output, or for I2S bridging to an external DAC. The 40 MHz MIPS M4K core comfortably decodes 16 kHz ADPCM or 22 kHz WAV samples, while the VQFN/VTLA footprint suits compact handheld or wearable designs. Five 16-bit timers support independent sample-rate generation and DMA-assisted audio streaming. For higher-fidelity output, pair the MCU with an external I2S DAC such as the MCP4725 or PCM5101A.
Recommended
Graphic LCD Control Panel
The PIC32MX150F128CT-V/M4L drives small graphic LCDs and OLED panels through SPI or 8-bit parallel interfaces thanks to its 21 I/O pins and PPS remapping. The 40 MHz MIPS core renders text and simple graphics in real time at typical 128x64 monochrome resolutions, while the DMA controllers offload SPI transfers to free the CPU for UI logic. The 128 KB Flash stores font tables and UI bitmaps, and the AEC-Q100 V temperature grade supports outdoor display modules with full sunlight-temperature operation.
Recommended
USB CDC Virtual COM Port Device
Using the on-chip USB 2.0 Full-Speed OTG plus the Microchip MPLAB Harmony CDC stack, the PIC32MX150F128CT-V/M4L acts as a USB-to-UART bridge for firmware updates, sensor data streaming or factory diagnostic ports. The 32 KB SRAM hosts USB endpoint buffers and a small UART ring buffer simultaneously. Two UART peripherals allow concurrent bridged serial streams, while PPS remapping routes debug UART to any free pin during development. The result is a single-chip bill-of-materials for both legacy RS-232 and modern USB-CDC tools.
Recommended
Automotive Body Electronics Node
The PIC32MX150F128CT-V/M4L V temperature suffix qualifies it for AEC-Q100 automotive use, making it a fit for body electronics modules such as HVAC door modules, mirror controllers and seat-position nodes that require up to 105C operation. The 32 KB SRAM supports LIN and CAN software stacks with comfortable headroom, while the 12 ADC channels read multiple sensor inputs. For full CAN bus integration pair the MCU with an external MCP2551 CAN transceiver, or use the PIC32MX1xx LIN-capable peripherals directly for cost-sensitive LIN sub-nodes.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX150F128CT-V/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX150F128CT-I/TL | PIC32MX150F128C-V/TL | PIC32MX130F256D-V/TL | PIC32MX120F032C-V/TL |
|---|---|---|---|---|---|
| Package | 36-VTLA (5x5 mm) with exposed pad | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 128 KB | 128 KB - same | 128 KB - same | 256 KB (+100%) | 32 KB (-75%) |
| SRAM | 32 KB | 32 KB - same | 32 KB - same | 256 KB (+700%) | 8 KB (-75%) |
| Maximum CPU Clock | 40 MHz | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same |
| USB | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG - same | USB 2.0 Full-Speed OTG - same | USB 2.0 Full-Speed OTG - same | USB 2.0 Full-Speed OTG - same |
| Operating Temperature | -40C to +105C (V grade) | -40C to +85C (I grade) | -40C to +105C (V grade) | -40C to +105C (V grade) | -40C to +105C (V grade) |
| Packaging Format | Tape & Reel (T suffix) | Tape & Reel | Tube (non-T) | Tube (non-T) | Tube (non-T) |
| ADC | 10-bit, 12 channels, 1 Msps | 10-bit, 12 channels, 1 Msps - same | 10-bit, 12 channels, 1 Msps - same | 10-bit, 12 channels, 1 Msps - same | 10-bit, 8 channels, 1 Msps |
Key Differentiators
- Automotive-grade temperature range (-40C to +105C) (vs PIC32MX150F128CT-I/TL)
- 128 KB Flash with 32 KB SRAM balanced configuration (vs PIC32MX130F256D-V/TL)
- Integrated USB 2.0 Full-Speed OTG with dedicated PLL (vs PIC24FJ64GA004)
Design Notes
The 36-pin VTLA package has an exposed thermal pad (pin 36 in the pinout list) that MUST be soldered to a PCB ground plane. For reliable operation at 40 MHz with USB active, design at least 1 square inch (645 mm^2) of copper pours on the top layer connected to the exposed pad, with thermal vias to the inner ground plane. Estimated: at maximum core activity and VDD = 3.3V, the part dissipates approximately 100 mW; without a proper thermal pad, junction temperature may rise 25-30 C above ambient.
USB-2.0 Full-Speed compliance requires the D+ and D- lines be routed as a 90-ohm differential pair, matched to within 150 mils of length difference. Place the 4.7 uF VBUS bulk capacitor within 5 mm of pin 28/VVBUS. The VUSB pin (pin 11) requires an external 4.7 uF decoupling capacitor to filter the internal 3.3V LDO output. Avoid routing digital signals across the differential pair; if crossing is unavoidable, do so at 90 degrees.
Place the 0.1 uF VDD decoupling capacitors within 2 mm of each VDD pin (pins 14 and 33), and add a bulk 10 uF tantalum or ceramic capacitor on the same VDD rail. Connect all VSS pins (5, 20, 32) to a single continuous ground pour. Avoid routing high-frequency signals (USB, SPI clocks) parallel to analog input traces to minimize crosstalk into ADC readings.
Common pitfalls include: (1) forgetting the exposed pad solder connection, which leads to erratic behavior at 40 MHz; (2) failing to enable the on-chip FRC postscaler before switching the system clock, causing code lockup; (3) omitting the VUSB decoupling capacitor, leading to USB enumeration failures; (4) using the V (A105C) part on a VDD rail above 3.6V, which violates the absolute maximum rating. Always verify the toolchain configuration uses the FLY/MX1xx device family header.
The 10-bit ADC achieves 1 Msps only when the acquisition time and conversion clock are properly configured. Use the Peripheral Pin Select (PPS) module to assign analog functions and ensure the selected analog pin is not driven by a digital output simultaneously. For multi-channel scanning, enable the DMA controller to offload ADC result transfers and prevent sample loss at high conversion rates.
Compliance Information
RoHS and lead-free compliant per Microchip product page. V temperature suffix indicates -40C to +105C AEC-Q100 automotive grade. Halogen-free status not explicitly listed in the verified data; consult Microchip directly for halogen-free declarations.