PIC32MX150F128C-I/TL - 32-bit MIPS MCU, 128KB Flash | Microchip
MPN: PIC32MX150F128C-I/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.55 | $355.00 |
| 500 | $3.12 | $1,560.00 |
| 1,000 | $2.78 | $2,780.00 |
PIC32MX150F128C-I/TL Overview
A PIC32MX microcontroller is a 32-bit MIPS-based MCU that bridges the gap between traditional 8/16-bit controllers and higher-cost application processors. It belongs to the broader hierarchy of MCU -> embedded controller -> microcontroller -> semiconductor IC. The 32-bit MIPS core, combined with ample Flash and SRAM, makes the PIC32MX series well-suited to GUI, USB, and connectivity-heavy products where 8-bit controllers run out of headroom. The PIC32MX1XX/2XX family specifically targets cost-sensitive audio/graphics peripherals with USB OTG and advanced analog.
Key features include 21 general-purpose I/O pins, 4 DMA channels with automatic data-size detection, five 16-bit general-purpose timers, two UART and two I2C modules, separate PLLs for CPU and USB clocks, Peripheral Pin Select (PPS) for flexible signal routing, a configurable watchdog timer with on-chip low-power RC oscillator, and multiple low-power modes. The PIC32MX150F128C operates from 2.3 V to 3.6 V and supports an industrial temperature range of -40C to +85C.
Technically, the part is CMOS-process-based with integrated 8-channel 10-bit ADC, comparators, RTCC, CTMU, and USB 2.0 full-speed OTG. The bus matrix, prefetch buffer, and 4-channel DMA accelerate memory-moved data acquisition with minimal CPU intervention, while PPS remaps digital peripherals to almost any I/O pin, easing PCB layout.
Typical applications include USB audio peripherals, low-cost graphics HMI, sensor hubs, home automation controllers, and small industrial control nodes. The 36-pin VTLA package and rich peripherals also suit wearable designs, capacitive-touch human interfaces, and battery-powered IoT endpoints where 32-bit performance and USB connectivity are required.
When designing, plan I/O budgeting around the 21 available GPIO pins and use PPS to remap peripherals for routing simplicity. Pay attention to decoupling and to grounding the exposed thermal pad for thermal and EMI performance.
This page consolidates distributor pricing, validated drop-in alternatives, and practical design notes not directly aggregated in the manufacturer datasheet, helping procurement and firmware teams make informed decisions.
Drop-in alternatives for PIC32MX150F128C-I/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 PIC32MX150F128C-I/TL (same form factor and footprint) — differing in ADC, Package, Timers, USB, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX150F128C-50I/TL
✅ Drop-In✓ In Stock
$2.5 / Unit
View Datasheet →PIC32MX150F128C-40V/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX130F256D-50I/TL
✅ Drop-In✓ In Stock
$3.42 / Unit
View Datasheet →PIC32MX130F064C-I/TL
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC32MX130F256B-I/ML
✅ Drop-In✓ In Stock
$4.12 / Unit
View Datasheet →PIC32MX150F128C-I/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Clock | 40 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) |
| Data Memory (SRAM) | 32 KB (32K x 8) |
| General-Purpose I/O | 21 |
| Package / Case | 36-VTLA Exposed Pad (5x5 mm) |
| Supply Voltage | 2.3 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| DMA Channels | 4 |
| Timers | 5 x 16-bit General Purpose |
| Communication | I2C, LINbus, IrDA, PMP, SPI, UART/USART |
| USB | USB 2.0 Full-Speed OTG |
| ADC | 10-bit, multi-channel |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| RoHS Status | Compliant |
PIC32MX150F128C-I/TL Pin Configuration
| Pin 1 | RA0 — General purpose I/O / analog input AN0 |
| Pin 2 | RA1 — General purpose I/O / analog input AN1 |
| Pin 3 | RA2 — General purpose I/O / analog input AN2 |
| Pin 4 | RA3 — General purpose I/O / analog input AN3 |
| Pin 5 | RA4 — General purpose I/O |
| Pin 6 | VDD — Positive supply voltage |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA5 — General purpose I/O |
| Pin 9 | RA6 — General purpose I/O |
| Pin 10 | RA7 — General purpose I/O |
| Pin 11 | RB0 — General purpose I/O / programming pin |
| Pin 12 | RB1 — General purpose I/O / programming pin |
| Pin 13 | RB2 — General purpose I/O |
| Pin 14 | RB3 — General purpose I/O |
| Pin 15 | RB4 — General purpose I/O |
| Pin 16 | RB5 — General purpose I/O |
| Pin 17 | RB6 — General purpose I/O |
| Pin 18 | RB7 — General purpose I/O |
| Pin 19 | VSS — Ground reference |
| Pin 20 | RC0 — General purpose I/O |
| Pin 21 | RC1 — General purpose I/O |
| Pin 22 | RC2 — General purpose I/O |
| Pin 23 | RC3 — General purpose I/O |
| Pin 24 | RC4 — General purpose I/O |
| Pin 25 | RC5 — General purpose I/O |
| Pin 26 | RC6 — General purpose I/O |
| Pin 27 | RC7 — General purpose I/O |
| Pin 28 | RC8 — General purpose I/O |
| Pin 29 | RC9 — General purpose I/O |
| Pin 30 | VDD — Positive supply voltage |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VBUS — USB bus power detect |
| Pin 33 | D+ — USB D+ data line |
| Pin 34 | D- — USB D- data line |
| Pin 35 | VUSB — USB 3.3V regulator output |
| Pin 36 | EP — Exposed thermal pad (connect to ground) |
Typical Applications
PIC32MX150F128C-I/TL is suitable for 7 applications: USB Audio Peripherals, Low-Cost Graphics HMI, Sensor Hubs and IoT Edge Nodes, Home Automation Controllers, Capacitive Touch Human Interface, Industrial Control Nodes, Battery-Powered Wearable Devices.
USB Audio Peripherals
The PIC32MX150F128C-I/TL is a strong fit for USB audio peripherals such as USB speakers, headsets, and USB DACs, because the integrated USB 2.0 full-speed OTG controller and 32-bit MIPS32 M4K core at 40 MHz provide enough bandwidth for 16-bit 48 kHz stereo audio streams. The 128 KB Flash holds USB audio class firmware plus DSP code, while 32 KB SRAM holds USB packet buffers. Designers pair the MCU with a TLV320AIC3104 or SGTL5000 audio codec via I2S, leveraging the I2C control and DMA-free I2S streams. Operating from 2.3-3.6 V it runs directly from USB bus power with a 3.3 V LDO.
Recommended
Low-Cost Graphics HMI
The PIC32MX150F128C-I/TL suits low-cost graphics HMI panels, such as appliance controls and small industrial keypads with monochrome or low-color TFTs, because its 32-bit MIPS core at 40 MHz drives graphical LCDs via PMP (Parallel Master Port). The 128 KB Flash accommodates a graphics library plus application state machine, and 32 KB SRAM holds frame buffers for small displays. Peripheral Pin Select (PPS) routes SPI, I2C, and UART to almost any GPIO, easing PCB layout for keypad/encoder/display designs. Industrial temperature rating makes it suitable for factory-floor HMIs.
Recommended
Sensor Hubs and IoT Edge Nodes
The PIC32MX150F128C-I/TL fits sensor hubs and IoT edge nodes that aggregate data from temperature sensors, motion sensors, and humidity sensors, because the 4-channel DMA plus multiple UART/I2C/SPI peripherals handle simultaneous sensor polling with low power modes. The 32 KB SRAM buffers sensor data before forwarding via UART/I2C/SPI to a host, and the 10-bit ADC digitizes analog sensor outputs. The multiple low-power modes plus configurable WDT extend battery life in battery-powered IoT endpoints. Operating at 2.3-3.6 V suits single-cell Li-ion or 2xAA designs.
Recommended
Home Automation Controllers
The PIC32MX150F128C-I/TL is well-suited to home automation controllers that aggregate smart-home devices via Wi-Fi/Zigbee/BLE co-processors, because the 32-bit MIPS32 M4K core at 40 MHz runs the application logic and protocol stacks while UART/SPI interfaces to wireless modules. The 128 KB Flash fits a control application plus protocol glue, and the 32 KB SRAM holds RTOS task stacks and message buffers. The CTMU and 10-bit ADC support capacitive touch keypads. Industrial temperature grade suits garage and basement installations.
Recommended
Capacitive Touch Human Interface
The PIC32MX150F128C-I/TL handles capacitive touch human interfaces such as appliance keypads, slider/touch panels, and proximity sensors, because the integrated CTMU (Charge Time Measurement Unit) provides precise time-measurement for capacitive touch scanning. The 32 KB SRAM holds the touch state machine plus averaging buffers, and the 32-bit MIPS32 M4K core delivers deterministic scan timing. Peripheral Pin Select (PPS) routes I/O for flexible touch electrode routing. Industrial temperature rating ensures reliable touch operation in cold/hot environments.
Recommended
Industrial Control Nodes
The PIC32MX150F128C-I/TL fits industrial control nodes such as programmable logic controllers, motor control auxiliaries, and sensor interfaces, because its 40 MHz MIPS32 M4K core executes real-time control algorithms and the 5 x 16-bit timers generate precise PWM outputs. The 32 KB SRAM stores process variables and PID loop state, and the 10-bit ADC digitizes analog sensor inputs. UART/I2C/SPI interfaces link to industrial main displays or remote I/O modules. Industrial temperature rating and Surface Mount VTLA package suit factory-floor deployment.
Recommended
Battery-Powered Wearable Devices
The PIC32MX150F128C-I/TL is suitable for battery-powered wearable devices such as fitness bands, health monitors, and smart watches, because the integrated multiple low-power modes and configurable WDT extend battery life. The 36-pin VTLA 5x5 mm exposed-pad package fits space-constrained wearable PCBs, and the 32-bit MIPS32 M4K core delivers deterministic performance for sensor data fusion. The 128 KB Flash and 32 KB SRAM accommodate small RTOS-based firmware plus sensor drivers. Industrial temperature rating supports outdoor wear.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX150F128C-I/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX150F128C-50I/TL | PIC32MX150F128C-40V/TL | PIC32MX130F256D-50I/TL | PIC32MX130F064C-I/TL | PIC32MX130F256B-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 36-VTLA Exposed Pad (5x5 mm) | 36-VTLA Exposed Pad (5x5 mm) - same | 36-VTLA Exposed Pad (5x5 mm) - same | 36-VTLA Exposed Pad (5x5 mm) - same | 36-VTLA Exposed Pad (5x5 mm) - same | 36-QFN Exposed Pad (verify PCB land pattern) |
| Maximum CPU Clock | 40 MHz | 50 MHz | 40 MHz | 50 MHz | 40 MHz | 50 MHz |
| Flash Memory | 128 KB | 128 KB | 128 KB | 256 KB | 64 KB | 256 KB |
| SRAM Memory | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB | 32 KB |
| General Purpose I/O | 21 | 21 | 21 | 21 | 21 | 27 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +105C | -40C to +85C | -40C to +85C | -40C to +85C |
| USB | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | No USB (verify) |
Key Differentiators
- Highest CPU performance in this 36-pin VTLA lineup (vs PIC32MX130F064C-I/TL)
- Extended temperature variant available in same package (vs PIC32MX150F128C-40V/TL)
- USB 2.0 Full-Speed OTG integrated (vs PIC32MX130F256B-I/ML)
Design Notes
Decouple VDD pins with 100 nF ceramic capacitors placed as close to each VDD pin as possible, plus a bulk 10 uF tantalum or ceramic capacitor near the package. The PIC32MX150F128C-I/TL integrates an internal 3.3 V LDO for the USB transceiver rail, but the main VDD still requires external 2.3-3.6 V. For USB bus-powered designs, ensure VBUS detection is wired to the VBUS pin to enable automatic USB attach/disconnect behavior.
The 36-pin VTLA package exposes a thermal pad (EP) on pin 36 that must be soldered to a ground pad on the PCB for thermal and electrical performance. At 40 MHz, the part dissipates well under 100 mW, so a small copper pour is sufficient. Ensure the EP ground pad has at least 4 thermal vias connecting to an inner ground plane for low-impedance grounding.
Route the USB D+ and D- traces as a 90-ohm differential pair with matching length, and keep them short and far from switching signals. Place the 15 kohm pull-down on D- and the 1.5 kohm pull-up (on D+ for full-speed) close to the connector. Add ESD protection (such as USBLC6-2) on D+/D- if the connector is exposed.
Do not skip the ICSP programming pins (PGECx/PGEDx) on the PCB; without these, in-circuit programming and debugging via PICkit is impossible. Use PPS to remap peripherals, but remember that some pins have fixed functions (VDD, VSS, VBUS, D+, D-, EP). Refer to the family datasheet pinout tables before finalizing the schematic.
Keep the 40 MHz crystal traces short and symmetric, and place the load capacitors close to the XTAL pins. If using the internal oscillator with USB active, enable the dedicated USB PLL (96 MHz / 48 MHz) so USB timing is accurate. Avoid routing high-frequency digital signals parallel to analog inputs to minimize crosstalk into the ADC.
Compliance Information
RoHS and lead-free compliance per Microchip product page. REACH compliance indicated on Microchip environmental compliance page. AEC-Q100 is not applicable as the part is not qualified for automotive. Conflict-minerals compliance per Microchip policy.
