PIC32MX795F512LT-80V/BG - 80MHz 32-bit MCU, 512KB Flash | Microchip
MPN: PIC32MX795F512LT-80V/BG ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.85 | $11.85 |
| 10 | $10.66 | $106.60 |
| 100 | $9.48 | $948.00 |
| 500 | $8.54 | $4,270.00 |
| 1,000 | $7.59 | $7,590.00 |
PIC32MX795F512LT-80V/BG Overview
A 32-bit MCU (microcontroller) is a single-chip computer that integrates a CPU core, non-volatile program memory, volatile data memory, and a configurable set of peripherals into one IC. 32-bit MCUs sit above 8-bit/16-bit microcontrollers in the embedded hierarchy and are typically used in applications that require higher computational throughput, larger address spaces, or richer connectivity. PIC32 belongs to the MIPS-based M4K family and runs the same instruction set as larger MIPS processors, which eases code portability.
Key features include 105 DMIPS core performance at 80 MHz, an instruction cache and prefetch module to hide Flash latency, hardware multiply/divide, and a 5-stage pipeline. The integrated Ethernet MAC, dual CAN, and USB-OTG controller make this device a connectivity-oriented silicon aimed at industrial networking, automotive gateways, and embedded web-server nodes. MPLAB Harmony framework support provides TCP/IP stacks (TCP, UDP, HTTP, SNMP), USB middleware, and graphics libraries out of the box.
Typical applications include industrial Ethernet-enabled PLCs, automotive body and gateway controllers, USB device/host/OTG peripherals, CAN-based distributed control systems, and graphical HMI terminals with parallel-port TFT driving. The 121-pin TFBGA is the largest package in the family, exposing the parallel master port for external bus interfacing.
When designing with this part, ensure the VCAP pin has a low-ESR 10 uF ceramic to ground for internal core regulator stability, route analog and digital grounds separately, and consult the PIC32MX5XX/6XX/7XX family datasheet for errata. The 121-TFBGA requires PCB design rules for fine-pitch BGA (0.8 mm pitch typical) including via-in-pad or dog-bone fanouts.
This page synthesizes distributor pricing, TFBGA-package drop-in alternatives from the same Microchip family, and practical design notes not found on a single distributor product page.
Drop-in alternatives for PIC32MX795F512LT-80V/BG — 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 PIC32MX795F512LT-80V/BG (same form factor and footprint) — differing in ADC, DMA Channels, Ethernet, Package, USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX795F512L-80V/BG
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX795F512L-80I/BG
✅ Drop-In✓ In Stock
$9.1 / Unit
View Datasheet →PIC32MX695F512LT-80V/BG
✅ Drop-In✓ In Stock
$7.75 / Unit
View Datasheet →PIC32MX775F512LT-80I/BG
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX675F512L-80V/BG
✅ Drop-In✓ In Stock
$7.1 / Unit
View Datasheet →PIC32MX795F512LT-80V/BG Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Core Bit Width | 32-bit |
| Maximum CPU Clock | 80 MHz |
| DMIPS Performance | 105 DMIPS |
| Program Flash Memory | 512 KB (512K x 8) |
| SRAM | 128 KB |
| Supply Voltage Range | 2.3 V to 3.6 V |
| Operating Temperature Range | -40C to +105C (V-grade) |
| Package | 121-TFBGA (10x10 mm) |
| Mounting Type | Surface Mount (BGA) |
| USB | USB 2.0 On-The-Go with integrated PHY |
| Ethernet | 10/100 MAC with MII/RMII interface |
| CAN | 2 x CAN 2.0b controllers |
| I2C Interfaces | 5 |
| SPI Interfaces | 4 |
| DMA Channels | 8 (dedicated for USB, Ethernet, CAN) |
| I/O Pins | 51 |
| ADC | 10-bit, 16-channel, 1 Msps |
| Pipeline Stages | 5 |
| Lead Free / RoHS | Yes / Compliant |
| MSL Level | 3 (per JEDEC J-STD-020, typical for BGA) |
PIC32MX795F512LT-80V/BG 121-tfbga (10x10 mm) Pin Configuration Guide
Pin configuration for PIC32MX795F512LT-80V/BG (121-tfbga (10x10 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 PIC32MX795F512LT-80V/BG.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX795F512LT-80V/BG is suitable for 6 applications: Industrial Ethernet Gateway / PLC, Automotive CAN Gateway / Body Controller, USB Device/Host/OTG Peripheral, Graphical HMI Terminal with Parallel TFT, Connected Sensor Hub / IoT Edge Node, Industrial Servo / Motor Drive Controller.
Industrial Ethernet Gateway / PLC
The PIC32MX795F512LT-80V/BG is a strong fit for industrial Ethernet gateways because its integrated 10/100 MAC with MII/RMII directly interfaces a PHY such as the Microchip KSZ8041 or DP83848, while the 80 MHz MIPS M4K core delivers 105 DMIPS to run a TCP/IP stack (TCP, UDP, Modbus TCP, EtherNet/IP) without exhausting CPU budget. The 512 KB Flash holds the MPLAB Harmony TCP/IP stack plus application logic; 128 KB SRAM is sufficient for socket buffers and a small web server. The V-grade -40C to +105C rating lets the design survive cabinet temperatures near motors and power supplies. Typical power dissipation is roughly 250 mW at full CPU load, so a small copper pour under the BGA is adequate. Compared to PIC32MX470F512L, the MX795 adds MAC + dual CAN in one IC, reducing the BOM by 1-2 components.
Recommended
Automotive CAN Gateway / Body Controller
The PIC32MX795F512LT-80V/BG is well-suited for automotive body and gateway controllers because dual integrated CAN 2.0b controllers with 1024 message buffers handle high-rate body-bus traffic without an external CAN IC. The 80 MHz core plus DMA channels offload CAN message transfers, and 512 KB Flash accommodates CANopen, J1939, or OBD-II stacks. The V-grade -40C to +105C rating handles automotive under-cabin temperatures, though for under-hood deployment an AEC-Q100 part is recommended. The TFBGA package suits compact ECUs but precludes hand rework, so plan for X-ray inspection. Power draw peaks around 80 mA at full CAN bus load, well within typical 12 V LDO budgets.
Recommended
USB Device/Host/OTG Peripheral
The PIC32MX795F512LT-80V/BG integrates a USB 2.0 On-The-Go controller with on-chip PHY, eliminating the external PHY IC required by lesser MCUs. At 80 MHz the core can sustain USB Full Speed (12 Mbps) throughput with significant headroom for application logic, including HID, CDC, MSD, or vendor-class firmware stacks from MPLAB Harmony. The 121-ball TFBGA exposes the USB D+/D- balls with short PCB routing to a Type-A or Micro-B connector. For battery-powered devices, the on-chip power management supports Sleep and Idle modes reducing current to microampere levels. Compared to PIC32MX450F256L, this part adds 256 KB extra Flash and USB-OTG PHY, enabling more demanding USB stacks.
Recommended
Graphical HMI Terminal with Parallel TFT
The PIC32MX795F512LT-80V/BG is one of the few PIC32 parts that exposes the Parallel Master Port (PMP), enabling direct connection to 16-bit parallel TFT displays up to QVGA resolution without an external display controller. The 121-TFBGA exposes the full 16-bit PMP data bus plus dedicated control signals. At 80 MHz the core can refresh QVGA panels at 30 Hz while leaving cycles for touch-screen handling and UI logic. MPLAB Harmony's Graphics Object Library provides primitives and anti-aliased fonts out of the box. The 512 KB Flash accommodates full graphics stacks plus UI assets. Compared to PIC32MX570F512L which lacks PMP, this part saves an external display controller IC and reduces BOM cost.
Recommended
Connected Sensor Hub / IoT Edge Node
The PIC32MX795F512LT-80V/BG serves as a connected sensor hub because the 80 MHz core handles sensor fusion algorithms while the integrated 10/100 MAC publishes results over MQTT/HTTP. The 16-channel 10-bit ADC reads analog sensors at up to 1 Msps aggregate, and the I2C/SPI interfaces connect to digital sensors (temperature, pressure, IMU). The 128 KB SRAM holds sensor buffers and a TCP/IP socket pool. The DMA channels keep Ethernet throughput from starving sensor sampling. Power consumption in Sleep mode drops to microampere levels for battery-backed operation. Compared to PIC32MX170F256D which lacks Ethernet, this part eliminates an external bridge MCU.
Recommended
Industrial Servo / Motor Drive Controller
The PIC32MX795F512LT-80V/BG fits multi-axis servo controllers because the 80 MHz core runs field-oriented control (FOC) loops for 2-3 axes at 8 kHz while the five I2C and four SPI interfaces connect to encoder ASICs and gate drivers. The 8 DMA channels offload feedback sampling from the CPU, and the dual CAN buses link the controller to higher-level PLCs. The 121-TFBGA exposes PWM outputs sufficient for 3-phase inverter control. The V-grade -40C to +105C rating suits industrial cabinet environments. Compared to PIC32MX360F512L, the MX795 adds Ethernet for commissioning and diagnostics over the same BOM.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX795F512LT-80V/BG — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX795F512L-80V/BG | PIC32MX795F512L-80I/BG | PIC32MX695F512LT-80V/BG | PIC32MX775F512LT-80I/BG | PIC32MX675F512L-80V/BG |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 121-TFBGA (10x10 mm) | 121-TFBGA (10x10 mm) - same | 121-TFBGA (10x10 mm) - same | 121-TFBGA (10x10 mm) - same | 121-TFBGA (10x10 mm) - same | 121-TFBGA (10x10 mm) - same |
| Core / Max Clock | MIPS32 M4K / 80 MHz | M4K / 80 MHz | M4K / 80 MHz | M4K / 80 MHz | M4K / 80 MHz | M4K / 80 MHz |
| Flash / SRAM | 512 KB / 128 KB | 512 KB / 128 KB | 512 KB / 128 KB | 512 KB / 128 KB | 512 KB / 128 KB | 512 KB / 128 KB |
| Ethernet MAC | Yes (10/100 MII/RMII) | Yes | Yes | No | Yes (gigabit-ready) | No |
| USB | USB 2.0 OTG + PHY | USB 2. OTG + PHY | USB 2. OTG + PHY | USB 2. OTG + PHY | USB 2. OTG + PHY | USB 2. OTG + PHY |
| CAN 2.0b | 2 controllers | 2 | 2 | 2 | 2 | 2 |
| Temperature Grade | V: -40C to +105C | V: -40C to +105C | I: -40C to +85C | V: -40C to +105C | I: -40C to +85C | V: -40C to +105C |
| Supply Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
Key Differentiators
- Highest peripheral integration in the PIC32MX family (vs PIC32MX695F512LT-80V/BG)
- Wider temperature range than package (vs PIC32MX795F512L-80I/BG)
- Tape-and-reel packaging for high-volume assembly (vs PIC32MX795F512L-80V/BG)
Design Notes
The PIC32MX795F512LT-80V/BG has an internal 1.8 V core regulator that requires a low-ESR 10 uF ceramic capacitor (X7R dielectric recommended) placed within 0.25 inch of the VCAP pin to ground. This capacitor must remain stable across the -40C to +105C operating range; use a 16 V-rated part for reliability. Brown-out reset is enabled by default at 2.0 V to protect against VDD dips during flash writes. Estimated: typical 80 MHz core current is ~80 mA plus I/O drive; budget 150 mA peak per rail including Ethernet PHY.
The 121-TFBGA uses 0.8 mm ball pitch and demands PCB design rules: 0.4 mm pad diameter, 0.2 mm solder mask dam, and either via-in-pad with filled/capped vias or dog-bone fanout. Use 4 mil trace/space, ENIG or OSP surface finish, and micro-via stack-ups (0.1 mm laser vias) for inner rows. Place 4-layer PCB stack-up to provide a quiet ground plane under the BGA. Estimated: a 121-BGA escape routing fits on a 4-layer board with 0.8 mm pitch micro-vias; planar HDI (any-layer-via) is recommended for high-density designs.
Common pitfalls include: (1) omitting the VCAP capacitor causing core instability and random code execution, (2) using incorrect programming entry sequence for the V grade variant, (3) failing to disable JTAG on unused pins causing them to toggle at reset, (4) configuring USB D+/D- without proper impedance-controlled routing (90 ohm differential), and (5) stacking internal pull-ups on I2C above 3 mA each, which exceeds the per-pin spec. Read the family errata document before committing the design to layout.
The USB 2.0 OTG PHY requires 90 ohm differential impedance on D+/D-, with length matching within 150 mil. Series ferrite beads (600 ohm at 100 MHz) suppress common-mode noise. For Ethernet MII/RMII, keep PHY-to-MCU traces under 50 mm and route over a continuous ground plane. The analog VDD rail should be filtered with a ferrite bead + 10 uF + 0.1 uF capacitor stack to supply the ADC and PLL. Estimated: a properly matched USB pair delivers < 5% eye-diagram closure.
Compliance Information
RoHS compliant per Microchip product page (lead-free BG suffix). Not AEC-Q100 qualified; choose PIC32MX795F512HT-80V/PT (H suffix) for automotive. REACH compliant.
