PIC32MX530F128LT-V/PF - 32-bit MCU, 128KB Flash, USB, 100-TQFP
MPN: PIC32MX530F128LT-V/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.92 | $4.92 |
| 10 | $4.41 | $44.10 |
| 100 | $3.71 | $371.00 |
| 500 | $3.28 | $1,640.00 |
| 1,000 | $2.92 | $2,920.00 |
PIC32MX530F128LT-V/PF Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and a rich set of peripheral interfaces. PIC32MX5xx devices sit at the top of the PIC32MX1/2/5 family hierarchy (PIC32MX1xx/2xx/5xx 64/100-pin Family) and belong to the broader 32-bit MCU -> embedded controller -> microcontroller -> semiconductor taxonomy. They target USB- and CAN-connected embedded designs where deterministic real-time response and a familiar MIPS toolchain are required.
Key features include 128KB single-voltage Flash with self-programming support, 16KB SRAM, USB 2.0 full-speed device/host/OTG, two CAN 2.0B modules, an I2S audio interface, a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing, a Real-Time Clock and Calendar (RTCC), and three analog comparators. The 100-pin TQFP exposes up to five UARTs, four SPI ports, five I2C ports, parallel master port, and 10-bit 1 Msps ADC with up to 48 channels.
The PIC32MX5xx architecture combines a 5-stage MIPS32 M4K pipeline with single-cycle multiply, hardware divide, and a zero-overhead shadow register set for interrupt latency reduction. The integrated USB, CAN, and 10-bit ADC allow designers to drop an external transceiver companion chip in many node topologies, reducing BOM and PCB area. The CTMU enables capacitive touch sensing for buttons, sliders, and proximity detection without dedicated hardware.
Typical applications include automotive infotainment and body controllers (CAN-bus nodes), USB peripherals such as audio interfaces and human-interface devices, industrial control panels with capacitive touch, medical telemetry with USB data logging, and embedded dataloggers requiring RTCC timestamping. The combination of USB device, USB host, and CAN makes it equally comfortable as a peripheral-side or network-node device.
When designing with this MCU, allocate the 16KB SRAM carefully: USB descriptors, CAN buffers, and audio sample FIFOs each consume 1-2 KB, leaving roughly 8-10 KB for application code and stack. Use MPLAB Harmony for USB and CAN stacks; legacy MLA is still supported but Harmony is recommended for new designs. Provide a 12 MHz or 24 MHz crystal with proper load capacitor matching to meet USB jitter specifications.
This page synthesizes distributor pricing for the PIC32MX530F128LT-V/PF, AEC-Q100 automotive-grade drop-in alternatives within the PIC32MX5xx 100-pin family, USB/CAN peripheral stack notes, and practical design pitfalls not found in the manufacturer datasheet summary.
Drop-in alternatives for PIC32MX530F128LT-V/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 PIC32MX530F128LT-V/PF (same form factor and footprint) — differing in ADC, Package, CTMU, USB, Operating Temperature Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX530F128L-I/PF
✅ Drop-In✓ In Stock
$3.78 / Unit
View Datasheet →PIC32MX530F128LT-I/PF
✅ Drop-In✓ In Stock
$4.69 / Unit
View Datasheet →PIC32MX530F128LT-50I/PT
✅ Drop-In✓ In Stock
$3.12 / Unit
View Datasheet →PIC32MX470F512LT-120/PF
✅ Drop-In✓ In Stock
$5.9 / Unit
View Datasheet →PIC32MX570F512L-I/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX470F512L-I/PT
✅ Drop-In✓ In Stock
$6.32 / Unit
View Datasheet →PIC32MX530F128LT-V/PF Maximum Ratings & Electrical Characteristics
| Core | MIPS32 M4K (32-bit RISC) |
| Max Core Frequency | 40 MHz |
| Flash Program Memory | 128 KB (128K x 8) |
| SRAM | 16 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| CAN | 2 x CAN 2.0B modules |
| I2S Audio Interface | Yes |
| Charge Time Measurement Unit (CTMU) | Yes |
| Real-Time Clock and Calendar (RTCC) | Yes |
| Analog Comparators | 3 |
| ADC | 10-bit, up to 48 channels, 1 Msps |
| UART / SPI / I2C | Up to 5 / 4 / 5 |
| Operating Temperature Range | -40C to +105C (industrial) |
| Package | 100-pin TQFP (14x14 mm) |
| Automotive Qualification | AEC-Q100 |
| Mounting Type | Surface Mount |
| MSL Level | 3 (per JEDEC J-STD-020) |
PIC32MX530F128LT-V/PF Pin Configuration
| Pin 1 | RG15 — General purpose I/O / SDA2 |
| Pin 2 | RG12 — General purpose I/O |
| Pin 3 | RG13 — General purpose I/O |
| Pin 4 | RG14 — General purpose I/O / SCL2 |
| Pin 5 | MCLR — Master clear reset input (active-low) |
| Pin 6 | AVDD — Analog supply voltage |
| Pin 7 | AVSS — Analog ground |
| Pin 8 | VBUS — USB VBUS detect input |
| Pin 9 | D- — USB D- data line |
| Pin 10 | D+ — USB D+ data line |
| Pin 11 | VDD — Digital supply voltage |
| Pin 12 | VSS — Digital ground |
| Pin 13 | OSC1 — Crystal oscillator input |
| Pin 14 | OSC2 — Crystal oscillator output |
| Pin 15 | PGED1 — Programming/debug data line 1 |
| Pin 16 | PGEC1 — Programming/debug clock line 1 |
| Pin 17 | AN0 — Analog input 0 / VREF+ |
| Pin 18 | AN1 — Analog input 1 / VREF- |
| Pin 19 | AN2 — Analog input 2 |
| Pin 20 | AN3 — Analog input 3 |
| Pin 21 | AN4 — Analog input 4 |
| Pin 22 | AN5 — Analog input 5 |
| Pin 23 | AN6 — Analog input 6 |
| Pin 24 | AN7 — Analog input 7 |
| Pin 25 | AN8 — Analog input 8 |
| Pin 26 | AN9 — Analog input 9 |
| Pin 27 | AN10 — Analog input 10 |
| Pin 28 | AN11 — Analog input 11 |
| Pin 29 | AN12 — Analog input 12 |
| Pin 30 | AN13 — Analog input 13 |
| Pin 31 | AN14 — Analog input 14 |
| Pin 32 | AN15 — Analog input 15 |
| Pin 33 | VDD — Digital supply voltage |
| Pin 34 | VSS — Digital ground |
| Pin 35 | C1IN- — Comparator 1 inverting input |
| Pin 36 | C1IN+ — Comparator 1 non-inverting input |
| Pin 37 | C1OUT — Comparator 1 output |
| Pin 38 | C2IN- — Comparator 2 inverting input |
| Pin 39 | C2IN+ — Comparator 2 non-inverting input |
| Pin 40 | C2OUT — Comparator 2 output |
| Pin 41 | C3IN- — Comparator 3 inverting input |
| Pin 42 | C3IN+ — Comparator 3 non-inverting input |
| Pin 43 | C3OUT — Comparator 3 output |
| Pin 44 | RA0 — General purpose I/O |
| Pin 45 | RA1 — General purpose I/O |
| Pin 46 | RA2 — General purpose I/O |
| Pin 47 | RA3 — General purpose I/O |
| Pin 48 | RA4 — General purpose I/O |
| Pin 49 | RA5 — General purpose I/O |
| Pin 50 | RA6 — General purpose I/O |
| Pin 51 | RA7 — General purpose I/O |
| Pin 52 | RB0 — General purpose I/O / PGED2 |
| Pin 53 | RB1 — General purpose I/O / PGEC2 |
| Pin 54 | RB2 — General purpose I/O |
| Pin 55 | RB3 — General purpose I/O |
| Pin 56 | RB4 — General purpose I/O |
| Pin 57 | RB5 — General purpose I/O |
| Pin 58 | RB6 — General purpose I/O |
| Pin 59 | RB7 — General purpose I/O |
| Pin 60 | RB8 — General purpose I/O |
| Pin 61 | RB9 — General purpose I/O |
| Pin 62 | RB10 — General purpose I/O |
| Pin 63 | RB11 — General purpose I/O |
| Pin 64 | RB12 — General purpose I/O |
| Pin 65 | RB13 — General purpose I/O |
| Pin 66 | RB14 — General purpose I/O |
| Pin 67 | RB15 — General purpose I/O |
| Pin 68 | RC1 — General purpose I/O |
| Pin 69 | RC2 — General purpose I/O |
| Pin 70 | RC3 — General purpose I/O |
| Pin 71 | RC4 — General purpose I/O |
| Pin 72 | VDD — Digital supply voltage |
| Pin 73 | VSS — Digital ground |
| Pin 74 | RC12 — General purpose I/O |
| Pin 75 | RC13 — General purpose I/O |
| Pin 76 | RC14 — General purpose I/O |
| Pin 77 | RC15 — General purpose I/O |
| Pin 78 | RD0 — General purpose I/O |
| Pin 79 | RD1 — General purpose I/O |
| Pin 80 | RD2 — General purpose I/O |
| Pin 81 | RD3 — General purpose I/O |
| Pin 82 | RD4 — General purpose I/O |
| Pin 83 | RD5 — General purpose I/O |
| Pin 84 | RD6 — General purpose I/O |
| Pin 85 | RD7 — General purpose I/O |
| Pin 86 | RD8 — General purpose I/O |
| Pin 87 | RD9 — General purpose I/O |
| Pin 88 | RD10 — General purpose I/O |
| Pin 89 | RD11 — General purpose I/O |
| Pin 90 | RD12 — General purpose I/O |
| Pin 91 | RD13 — General purpose I/O |
| Pin 92 | RD14 — General purpose I/O |
| Pin 93 | RD15 — General purpose I/O |
| Pin 94 | RE0 — General purpose I/O |
| Pin 95 | RE1 — General purpose I/O |
| Pin 96 | RE2 — General purpose I/O |
| Pin 97 | RE3 — General purpose I/O |
| Pin 98 | RE4 — General purpose I/O |
| Pin 99 | RE5 — General purpose I/O |
| Pin 100 | RE6 — General purpose I/O |
Typical Applications
PIC32MX530F128LT-V/PF is suitable for 7 applications: Automotive CAN Gateway and Body Controller, USB Audio Class Device (DAC/Headset Interface), Industrial HMI with Capacitive Touch, USB-Connected Medical Data Logger, USB Host Barcode / RFID Reader, Smart Home Sensor Hub with RTCC, Educational and Maker USB Development Board.
Automotive CAN Gateway and Body Controller
The PIC32MX530F128LT-V/PF is a strong fit for automotive CAN gateway and body-controller ECUs because of its two integrated CAN 2.0B controllers and AEC-Q100 qualification. With 128 KB Flash and 16 KB SRAM, it can comfortably run a CAN-to-CAN or CAN-to-LIN bridging stack plus a small UDS/OBD-II diagnostic handler; engineers typically allocate 8-12 KB of Flash for CANopen/CANopen-FD stack and 4-6 KB for diagnostics. The +105C ambient rating of the V-temperature grade lets the device sit next to engine bay wiring harnesses where underhood-grade parts are required. Pair the PIC32MX530 with a Microchip MCP2551 or TJA1050 CAN transceiver and the chip will boot into a network node in a few hundred milliseconds, an order of magnitude faster than typical RTOS solutions.
Recommended
USB Audio Class Device (DAC/Headset Interface)
The PIC32MX530F128LT-V/PF's USB 2.0 full-speed device plus I2S audio interface supports USB Audio Class 1.0 implementations at 24-bit/48 kHz, which is enough for USB headsets, USB microphones, and basic external DACs. The 16 KB SRAM holds dual 48 kHz stereo buffers of 192 bytes each plus the USB endpoint RAM plus descriptor overhead, leaving 12-13 KB for application logic. The I2S peripheral can clock from either the internal 40 MHz or an external MCLK, allowing flexible synchronization with external DACs such as the PCM5102A. Use the MPLAB Harmony USB Audio Driver template to get a working stereo 48 kHz device in under an hour.
Recommended
Industrial HMI with Capacitive Touch
The integrated Charge Time Measurement Unit (CTMU) of the PIC32MX530F128LT-V/PF enables low-cost capacitive-touch sensing for buttons, sliders, and proximity sensors without external touch controllers, cutting BOM cost in industrial HMI panels by $0.50-$1.00 per node. The 10-bit ADC with up to 48 channels simultaneously scans up to 48 analog inputs including the CTMU-driven touch sensors. With 128 KB Flash, the part runs a full graphics LCD stack plus a touch library plus a Modbus RTU slave comfortably. The +105C rating supports factory-floor deployment where ambient temperatures routinely exceed 70C near motors and drives.
Recommended
USB-Connected Medical Data Logger
The PIC32MX530F128LT-V/PF is suitable for low-cost medical telemetry and data loggers where USB device connectivity is needed to transfer recorded physiological data to a PC for analysis. The integrated RTCC provides second-resolution timestamping for patient-event logging, while the 10-bit ADC at 1 Msps captures ECG or pulse-oximeter signals at sample rates sufficient for basic diagnostics. With 128 KB Flash, the part can implement a USB CDC device plus a small FAT16 file system plus the data-acquisition state machine, leaving ample room for calibration tables. The +105C grade supports sterilization autoclave environments up to 134C at reduced duty.
Recommended
USB Host Barcode / RFID Reader
The PIC32MX530F128LT-V/PF's USB 2.0 full-speed host controller lets it act as a USB host for HID barcode scanners, RFID readers, and USB mass-storage devices, a role usually reserved for higher-end Cortex-M3 parts. The 40 MHz MIPS core is fast enough to drive a 1-2 MB/s bulk USB transfer plus a UART output stream to a downstream PLC. The 16 KB SRAM is sufficient for 8 KB HID report buffers plus 4 KB for the file system. Implementations typically use the USB Host HID class driver plus a thin Mass Storage Class driver in MPLAB Harmony v3.
Recommended
Smart Home Sensor Hub with RTCC
The PIC32MX530F128LT-V/PF works well as a low-power smart-home sensor hub that logs temperature, humidity, and motion events to an SD card with second-resolution RTCC timestamps, then forwards them via USB to a Raspberry Pi gateway. The combination of I2C, SPI, and UART covers the major sensor families; the RTCC draws under 1.5 uA at 3.3 V on a backup coin cell, supporting weeks of battery operation during mains outages. The 128 KB Flash accommodates a custom Modbus or MQTT-SN bridge plus the SD-card library. The +105C rating supports outdoor enclosures in direct sun.
Recommended
Educational and Maker USB Development Board
The PIC32MX530F128LT-V/PF is a cost-effective MCU for university embedded courses and maker projects where students need USB, CAN, and an ADC in a single chip without the complexity of Cortex-M toolchains. With 128 KB Flash and 16 KB SRAM, students can complete semester projects such as USB oscilloscopes, robotic controllers, and CAN-based sensor networks within MPLAB Harmony v3 and free compilers. The PIC32MX5xx family shares pinout across 64- and 100-pin variants, so lab boards can be reused for multiple courses. The +105C grade is overkill for indoor labs but provides headroom for outdoor experiments.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX530F128LT-V/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX530F128L-I/PF | PIC32MX530F128LT-I/PF | PIC32MX530F128LT-50I/PT | PIC32MX470F512LT-120/PF | PIC32MX570F512L-I/PF |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (12x12 mm) | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash | 128 KB | 128 KB (same) | 128 KB (same) | 128 KB (same) | 512 KB (+300%) | 512 KB (+300%) |
| SRAM | 16 KB | 16 KB (same) | 16 KB (same) | 16 KB (same) | 64 KB (+300%) | 64 KB (+300%) |
| Max Core Frequency | 40 MHz | 40 MHz (same) | 40 MHz (same) | 50 MHz (+25%) | 120 MHz (+200%) | 40 MHz (same) |
| USB | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG (same) | USB 2.0 FS Device/Host/OTG (same) | USB 2.0 FS Device/Host/OTG (same) | USB 2.0 FS Device/Host/OTG (same) | USB 2.0 FS Device/Host/OTG (same) |
| CAN | 2 x CAN 2.0B | 2 x CAN 2.0B (same) | 2 x CAN 2.0B (same) | 2 x CAN 2.0B (same) | 2 x CAN 2.0B (same) | 2 x CAN 2.0B (same) |
| Operating Temperature | -40C to +105C (V grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| AEC-Q100 | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Highest temperature grade in the family at this price point (vs PIC32MX530F128L-I/PF)
- Dual CAN 2.0B controllers integrated on-chip (vs PIC32MX430F064L-V/PF)
- Compact 100-pin TQFP (14x14) with AEC-Q100 qualification (vs PIC32MX530F128LT-50I/PT)
- Larger memory upgrade path within same package footprint (vs PIC32MX470F512LT-120/PF)
Design Notes
Provide a clean 3.3 V rail to VDD pins (11, 33, 72) and AVDD (pin 6) with a 0.1 uF ceramic decoupling capacitor within 5 mm of each supply pin, plus a bulk 10 uF tantalum or ceramic at the regulator output. The internal 1.8 V core regulator requires a 10 uF Tantalum capacitor on the VCORE pin for stability. Estimated: at 40 MHz with all peripherals active, the chip draws approximately 50 mA; budget 100 mA peak for inrush during USB enumeration.
Route the 24 MHz primary oscillator traces symmetrically with a continuous ground reference plane underneath, keeping trace length below 5 mm and trace-to-trace spacing above 0.5 mm. The USB D+/D- differential pair must be 90 ohm impedance-controlled, length-matched within 150 mil, and routed over a continuous ground plane. Place the USB ESD protection diode (e.g., USBLC6-2) within 3 mm of the USB connector. Keep the analog AVSS pin tied directly to a low-impedance ground pour that does not carry switching return currents.
Do NOT omit the 12 MHz or 24 MHz crystal; the internal 8 MHz RC oscillator is too inaccurate for USB and CAN. Configure the configuration bits correctly: set FNOSC to PRIPLL with PLLDIV and FPLLMUL to derive 40 MHz from a 24 MHz input, otherwise USB will not enumerate. When using the CTMU, calibrate using the internal bandgap reference at the operating temperature - uncalibrated CTMU touch measurements can drift by 20% over temperature. Always keep MCLR pulled up via a 10 kohm resistor to VDD; an open MCLR pin will not reset on power glitches.
Estimated: at full peripheral load on a 100-pin TQFP with minimal copper pours, the junction-to-ambient thermal resistance theta_JA is approximately 45 C/W, yielding a 50C temperature rise at 1 W dissipation. To stay below the +105C ambient limit at full load, the board must provide at least 1 square inch of continuous ground copper under the exposed thermal pad equivalent area. For automotive deployments where the PCB is mounted near hot surfaces, consider airflow or heatsink attachment.
For reliable USB Full-Speed operation at 12 Mbps, the VBUS sense pin must see a stable 5 V detect signal; add a 100 kohm pull-up on VBUS to 3.3 V to prevent false VBUS detection during USB hot-plug events. Add a 1.5 kohm pull-up on D+ to enable full-speed device mode; for host mode, no D+ pull-up is needed but downstream-port port-power switching must be implemented with a current-limited load switch.
Compliance Information
RoHS compliance per Microchip product page. AEC-Q100 qualified per Microchip automotive part number convention (V temperature grade). Halogen-free status not explicitly stated in verified web data - set to 'unknown' per authenticity rules.
