PIC32MX250F128DT-V/TL - 32-bit MCU 128KB Flash USB | Microchip
N.º da peça: PIC32MX250F128DT-V/TL ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $5.2 | $5,20 |
| 10 | $4.68 | $46,80 |
| 100 | $4.15 | $415,00 |
| 500 | $3.74 | $1.870,00 |
| 1.000 | $3.32 | $3.320,00 |
PIC32MX250F128DT-V/TL Visão geral
A 32-bit microcontroller (MCU) is a microprocessor that integrates a CPU core, program memory, data RAM, and peripheral controllers onto a single silicon die. The PIC32 family belongs to the broader category of embedded microcontrollers, which sit within the hierarchy MCU -> microprocessor -> semiconductor -> integrated circuit. The PIC32MX250F128D variant specifically targets applications requiring USB connectivity, audio interfaces, and graphics support.
Key features of this device include 0.5 mA/MHz active current consumption for power-efficient operation, mTouch capacitive touch sensing support, on-chip temperature measurement, and a 1 ns high-resolution timer/capture input. The VTLA-44 (Very Thin Leadless Array) package measures 8 x 8 mm with 0.65 mm pitch and an exposed thermal pad, optimized for compact USB-enabled embedded designs.
The PIC32MX250F128DT-V/TL operates from a 2.3V to 3.6V supply and includes five 16-bit general-purpose timers, a 10-bit ADC, comparators, and an automotive-grade temperature range (-40C to +105C or higher per the V-suffix). The combination of USB OTG, audio interfaces, and graphics PMP makes it well suited to consumer, industrial, and automotive human-machine interface (HMI) applications.
Typical applications include USB audio peripherals, graphic display controllers, capacitive touch user interfaces, and embedded HMI panels. The wide peripheral set also supports industrial control, point-of-sale terminals, and medical device front panels.
When designing with this device, allocate the exposed thermal pad on the PCB with adequate via stitching for thermal dissipation. Use 0.1 uF decoupling capacitors as close to each supply pin as possible, and follow the recommended USB impedance-matching network per the datasheet for reliable USB 2.0 full-speed signaling.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, including a curated alternatives list sourced from Microchip PIC32MX same-family variants.
Alternativas drop-in para PIC32MX250F128DT-V/TL — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC32MX250F128DT-V/TL (mesmo formato e footprint) — diferindo em ADC, Package, Data Memory (SRAM), Mounting Type, Operating Temperature Range.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC32MX250F128DT-I/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.95 / unidade
Ver ficha técnica →PIC32MX230F256DT-V/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.02 / unidade
Ver ficha técnica →PIC32MX250F128D-V/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3.65 / unidade
Ver ficha técnica →PIC32MX230F128DT-V/TL
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
PIC32MX170F256DT-V/TL
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$3 / unidade
Ver ficha técnica →PIC32MX250F128DT-V/TL Classificações máximas e características elétricas
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Speed | 40 MHz (50 MHz / 83 DMIPS) |
| Program Flash Memory | 128 KB (128K x 8) |
| Data SRAM | 32 KB |
| Supply Voltage Range | 2.3 V to 3.6 V |
| I/O Ports | 34 |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG |
| SPI Modules | 2 (with I2S mode) |
| Parallel Master Port (PMP) | Yes (graphics interface) |
| ADC | 10-bit |
| General Purpose Timers | 5 x 16-bit |
| Peripheral Pin Select (PPS) | Yes |
| mTouch Capacitive Touch | Yes |
| Encapsulamento | 44-pin VTLA (8x8 mm, 0.65 mm pitch) with Exposed Pad |
| Operating Temperature (V grade) | -40C to +105C |
| AEC-Q100 | Qualified (automotive grade per datasheet suffix) |
| Status RoHS | Compliant |
Configuração de pinos do PIC32MX250F128DT-V/TL
| Pino 1 | RPB0 — Remappable peripheral input/output |
| Pino 2 | RPB1 — Remappable peripheral input/output |
| Pino 3 | RPB2 — Remappable peripheral input/output |
| Pino 4 | RPB3 — Remappable peripheral input/output |
| Pino 5 | VSS — Ground reference |
| Pino 6 | RPB4 — Remappable peripheral input/output |
| Pino 7 | RPB5 — Remappable peripheral input/output |
| Pino 8 | VUSB |
| Pino 9 | VBUS — USB VBUS monitor input |
| Pino 10 | D+ — USB D+ data line |
| Pino 11 | D- — USB D- data line |
| Pino 12 | VDD — Positive supply voltage |
| Pino 13 | RPC6 — Remappable peripheral input/output |
| Pino 14 | RPC7 — Remappable peripheral input/output |
| Pino 15 | RPC8 — Remappable peripheral input/output |
| Pino 16 | RPC9 — Remappable peripheral input/output |
| Pino 17 | VSS — Ground reference |
| Pino 18 | VDD — Positive supply voltage |
| Pino 19 | RPA0 — Remappable peripheral input/output |
| Pino 20 | RPA1 — Remappable peripheral input/output |
| Pino 21 | RPA2 — Remappable peripheral input/output |
| Pino 22 | RPA3 — Remappable peripheral input/output |
| Pino 23 | RPA4 — Remappable peripheral input/output |
| Pino 24 | RPA5 — Remappable peripheral input/output |
| Pino 25 | RPA6 — Remappable peripheral input/output |
| Pino 26 | RPA7 — Remappable peripheral input/output |
| Pino 27 | RPC0 — Remappable peripheral input/output |
| Pino 28 | RPC1 — Remappable peripheral input/output |
| Pino 29 | RPC2 — Remappable peripheral input/output |
| Pino 30 | RPC3 — Remappable peripheral input/output |
| Pino 31 | RPC4 — Remappable peripheral input/output |
| Pino 32 | RPC5 — Remappable peripheral input/output |
| Pino 33 | VDD — Positive supply voltage |
| Pino 34 | VSS — Ground reference |
| Pino 35 | RPD0 — Remappable peripheral input/output (PMP) |
| Pino 36 | RPD1 — Remappable peripheral input/output (PMP) |
| Pino 37 | RPD2 — Remappable peripheral input/output (PMP) |
| Pino 38 | RPD3 — Remappable peripheral input/output (PMP) |
| Pino 39 | RPD4 — Remappable peripheral input/output (PMP) |
| Pino 40 | RPD5 — Remappable peripheral input/output (PMP) |
| Pino 41 | RPD6 — Remappable peripheral input/output (PMP) |
| Pino 42 | RPD7 — Remappable peripheral input/output (PMP) |
| Pino 43 | RPD8 — Remappable peripheral input/output |
| Pino 44 | RPD9 — Remappable peripheral input/output |
Aplicações típicas
PIC32MX250F128DT-V/TL é adequado para 6 aplicaçãos: USB Audio Peripherals, Graphic Display HMI Controllers, Automotive Body Control Modules, Capacitive Touch User Interfaces, Industrial Point-of-Sale (POS) Terminals, Medical Device Front Panels.
USB Audio Peripherals
The PIC32MX250F128DT-V/TL's USB 2.0 full-speed OTG controller and dual I2S modules make it ideal for USB audio peripherals such as USB headphones, USB speakers, and USB audio class interfaces. The 32 KB SRAM provides sufficient buffer space for audio frame streaming at 48 kHz sample rates, while the 40 MHz MIPS32 M4K core delivers enough processing headroom for audio sample rate conversion and basic DSP. Unlike parts requiring an external USB PHY, this device integrates the USB transceiver, reducing BOM cost for compact audio designs. Place a 0.1 uF decoupling capacitor within 5 mm of each supply pin per datasheet recommendations for clean USB signaling.
Recomendado
Graphic Display HMI Controllers
The PIC32MX250F128DT-V/TL's Parallel Master Port (PMP) and Peripheral Pin Select (PPS) support direct connection to TFT LCD displays, enabling use in human-machine interface (HMI) panels for industrial controls and consumer appliances. The 40 MHz core can refresh small QVGA displays without external graphics controller ICs. With 32 KB SRAM and 128 KB Flash, it accommodates display font tables and basic UI state machines. Pair it with a 3.5-inch 320x240 TFT using PMP in master mode for compact touch-based operator panels, where the automotive temperature grade ensures operation in harsh industrial environments.
Recomendado
Automotive Body Control Modules
The PIC32MX250F128DT-V/TL's AEC-Q100 qualification and extended -40C to +105C automotive temperature range suit body control modules, seat controllers, and HVAC panels. The USB OTG interface enables diagnostics via automotive service tools, while the 10-bit ADC and comparators handle analog sensor inputs (temperature, position). The 0.5 mA/MHz active current keeps quiescent draw low for battery-backed modules. Automotive EMC compliance requires the exposed thermal pad to be solidly stitched with vias to inner ground planes per the manufacturer reference design.
Recomendado
Capacitive Touch User Interfaces
The PIC32MX250F128DT-V/TL integrates Microchip's mTouch capacitive touch sensing peripheral, supporting capacitive buttons, sliders, and proximity sensors without external touch ICs. Combined with the 1 ns high-resolution timer/capture for accurate touch measurement, it serves well in appliance front panels, IoT devices, and industrial keypads. The PPS flexibility routes touch channels to any GPIO, simplifying PCB layout. Use the CTMU peripheral for charge-time measurement on up to 16 touch channels, and pair with firmware libraries from the Microchip MPLAB Harmony ecosystem for production-ready touch algorithms.
Recomendado
Industrial Point-of-Sale (POS) Terminals
The PIC32MX250F128DT-V/TL supports POS terminal peripherals via USB host mode (for barcode scanners and printers), I2S (for magstripe readers), and PMP (for small LCDs). The 128 KB Flash accommodates USB stack, encryption libraries, and application firmware, while 32 KB SRAM handles transaction buffers. The automotive-grade temperature tolerance makes it suitable for retail environments with wide temperature swings. The on-chip temperature sensor enables system health monitoring in unattended POS kiosks.
Recomendado
Medical Device Front Panels
The PIC32MX250F128DT-V/TL's USB device mode, audio I2S interfaces, and graphics-capable PMP support medical device front-panel controllers for patient monitors, infusion pumps, and diagnostic equipment. The extended temperature range and automotive-grade reliability translate to strong MTBF for medical applications requiring long product lifecycles. The 10-bit ADC reads front-panel sensor inputs, while the 1 ns capture input enables precise timing of measurement cycles. Implement IEC 60601-1 isolation by isolating USB and communication interfaces per medical EMC requirements.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC32MX250F128DT-V/TL — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC32MX250F128DT-I/TL | PIC32MX230F256DT-V/TL | PIC32MX250F128D-V/TL | PIC32MX230F128DT-V/TL | PIC32MX170F256DT-V/TL |
|---|---|---|---|---|---|---|
| Package | 44-pin VTLA (8x8 mm) | 44-pin VTLA (8x8 mm) - same | 44-pin VTLA (8x8 mm) - same | 44-pin VTLA (8x8 mm) - same | 44-pin VTLA (8x8 mm) - same | 44-pin VTLA (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 256 KB | 128 KB | 128 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 64 KB | 32 KB | 32 KB | 32 KB |
| Core Speed | 40 MHz / 50 MHz DMIPS | 40 MHz / 50 MHz DMIPS | 40 MHz / 50 MHz DMIPS | 40 MHz / 50 MHz DMIPS | 40 MHz / 50 MHz DMIPS | 40 MHz / 50 MHz DMIPS |
| USB OTG | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) |
| Temperature Grade | Automotive V (-40C to +105C) | Industrial (-40C to +85C) | Automotive V (-40C to +105C) | Automotive V (-40C to +105C) | Automotive V (-40C to +105C) | Automotive V (-40C to +105C) |
| AEC-Q100 | Yes (automotive) | No (industrial grade) | Yes (automotive) | Yes (automotive) | Yes (automotive) | Yes (automotive) |
Principais diferenciais
- 44-pin VTLA package offers 60% smaller PCB footprint than TQFP equivalent (vs PIC32MX250F128D-I/PT (44-pin TQFP, 10x10 mm))
- AEC-Q100 automotive qualification extends reliability beyond industrial-grade alternatives (vs PIC32MX250F128DT-I/TL (industrial grade, -40C to +85C))
- On-chip USB OTG eliminates external PHY cost (vs PIC32MX230F064D-V/ML (lower Flash variant without USB))
Notas de projeto
Place a 0.1 uF ceramic decoupling capacitor within 5 mm of each VDD pin and a bulk 10 uF capacitor near the supply entry point. The PIC32MX250F128DT-V/TL has multiple VDD pins that must each be decoupled per the manufacturer datasheet. The VUSB pin (pin 8) requires its own 0.1 uF capacitor and 10 uF bulk capacitor for stable USB transceiver operation. Estimated: at 40 MHz active mode with peripherals enabled, current consumption is approximately 25 mA (0.5 mA/MHz x 50 MHz equivalent) plus peripheral current; the 3.3V LDO supplying the MCU should provide at least 50 mA headroom.
The 44-pin VTLA package relies on the exposed thermal pad (EP) for heat dissipation. Solder the EP to a PCB copper pour of at least 50 mm x 50 mm with via stitching (thermal vias on 1.2 mm pitch) to inner ground planes. For automotive applications running at extended temperatures, ensure the EP is connected to a low-impedance ground plane to spread heat. At 25 mA active current and 3.3V supply, total power dissipation is approximately 82 mW, which is well within the package thermal limits when the EP is properly soldered.
Route USB D+ and D- traces as a 90-ohm differential pair with matched length to within 150 mil. Place the USB series termination resistors (per datasheet reference design) within 5 mm of the MCU pins. Use a ground plane under the USB traces for return path integrity. The PMP data lines (RPD0-RPD9) should be routed in matched groups to avoid skew when interfacing with parallel LCDs, and the parallel data bus traces should be length-matched within 1.0 inch total skew.
Do not connect the VUSB pin directly to VDD - it requires its own decoupling per the USB transceiver design. The PPS remapping registers default to specific pins on reset; explicitly configure PPS before using remapped peripherals. When migrating from PIC32MX250F128D-I/PT (TQFP) to PIC32MX250F128DT-V/TL (VTLA), note that VTLA packages require reflow soldering and are not hand-solder friendly. Estimated: the JTAG programming pins (PGECx/PGEDx) must be configured for alternate function before debug access works - consult the PIC32MX1XX/2XX family datasheet section on In-Circuit Serial Programming (ICSP).
Informações de conformidade
AEC-Q100 qualified per automotive-grade V suffix. RoHS and REACH compliant per Microchip product page. Lead-free and halogen-free per datasheet ordering information.
