DSPIC33EP512MU810T-I/BG - 70 MIPS DSC, 512KB Flash | Microchip
MPN: DSPIC33EP512MU810T-I/BG ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.62 | $76.20 |
| 100 | $6.85 | $685.00 |
| 500 | $6.18 | $3,090.00 |
| 1,000 | $5.55 | $5,550.00 |
DSPIC33EP512MU810T-I/BG Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, DSCs sit between general-purpose MCUs and dedicated DSPs, executing digital filter algorithms, high-speed precision digital control loops, and digital audio and speech processing that a standard MCU core cannot sustain in real time.
Key features include the 70 MIPS dsPIC33E core with DSP engine (17-bit x 17-bit single-cycle MAC, 40-bit accumulators), 32-channel 10/12-bit ADC, high-speed PWM modules suited for motor control, 15 DMA channels, 9 timers, and an operating voltage range of 3.0V to 3.6V with 83 general-purpose I/O pins in the TFBGA-121 footprint.
Architecturally, the dsPIC33EP core uses a modified Harvard bus structure with multiple internal buses, supporting single-cycle instruction fetch and dual data fetches that sustain MAC-heavy loops at full clock rate. The -I temperature grade covers -40C to +85C for industrial environments, and the family is offered with AEC-Q100 qualified variants for automotive designs.
Typical applications include precision motor control (PMSM, BLDC, stepper), digital power supplies and inverters, USB-connected industrial instruments, and digital audio processing. The 10x10 mm BGA suits space-constrained boards needing high I/O count.
Design consideration: TFBGA packages require careful PCB fanout and reflow assembly; if your production line cannot handle BGA assembly, the same die is offered in TQFP-100 (PF) and TQFP-64 (PT) packages.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512MU810T-I/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 DSPIC33EP512MU810T-I/BG (same form factor and footprint) — differing in Packaging, Mounting Type, Core, DMA Channels, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512MU810-I/BG
✅ Drop-In✓ In Stock
$5.8 / Unit
View Datasheet →DSPIC33EP512MU810T-E/BG
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512GM310-E/BG
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →DSPIC33EP512MU810T-I/BG Maximum Ratings & Electrical Characteristics
| Core | dsPIC33EP 16-bit DSC core |
| Max CPU Speed | 70 MIPS (60 MHz clock) |
| Program Memory | 512KB (170K x 24) FLASH |
| SRAM | 52KB (24K x 16 + extended) |
| Operating Voltage | 3.0 V to 3.6 V |
| Package | 121-TFBGA (10x10 mm) |
| I/O Pins | 83 general-purpose I/O |
| ADC | 32-channel 10/12-bit |
| DMA Channels | 15 |
| Timers | 9 |
| USB | Full-Speed USB module |
| Temperature Grade | -40C to +85C (Industrial, I) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel |
| Qualification | AEC-Q100 available in family |
| Technology | CMOS |
DSPIC33EP512MU810T-I/BG 121-tfbga (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP512MU810T-I/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 DSPIC33EP512MU810T-I/BG.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512MU810T-I/BG is suitable for 6 applications: Precision Motor Control, Digital Power Supplies and Inverters, USB-Connected Industrial Instruments, Digital Audio and Speech Processing, Industrial Automation and PLC I/O, Embedded Sensing and IoT Gateways.
Precision Motor Control
The DSPIC33EP512MU810T-I/BG fits precision motor control because its 70 MIPS DSP core executes field-oriented control (FOC) loops at PWM-cycle rates, while integrated high-speed PWM modules provide complementary outputs with hardware dead-time insertion. The 32-channel 10/12-bit ADC samples phase currents and position feedback, and 15 DMA channels move conversion results without CPU intervention, minimizing loop latency. Microchip positions the dsPIC33E family specifically for high-performance precision motor control including PMSM, BLDC, and stepper drives. In a typical servo drive, the DSC runs the current loop at 20-50 kHz; the 512KB FLASH holds the control firmware plus field-weakening and trajectory-planning code, and the 83 I/O pins interface encoders, hall sensors, and communication links in one 10x10 mm TFBGA device.
Recommended
Digital Power Supplies and Inverters
The DSPIC33EP512MU810T-I/BG suits digital power conversion because the 70 MIPS dsPIC33EP core closes voltage and current loops fast enough for switch-mode converters running at hundreds of kilohertz. The high-resolution PWM supports phase-shifted full-bridge and interleaved topologies, while the 10/12-bit ADC with DMA captures output voltage and inductor current synchronously with the PWM period, which reduces control-loop jitter. The 512KB FLASH accommodates extensive compensation and fault-management code, and the 52KB SRAM buffers logging data. Because the industrial grade covers -40C to +85C, the part deploys in telecom rectifiers, solar micro-inverters, and server power supplies. Designers should budget analog reference stability and ADC sampling alignment, as these dominate achievable regulation accuracy more than core throughput does.
Recommended
USB-Connected Industrial Instruments
The integrated full-speed USB module makes the DSPIC33EP512MU810T-I/BG a strong fit for bench and industrial instruments that stream data to a PC: data loggers, sensor hubs, and test fixtures. Unlike solutions that require an external USB bridge chip, the on-chip USB peripheral eliminates a BOM line and board area, and the 70 MIPS core sustains signal processing while the USB stack runs. The 512KB FLASH supports complex USB class implementations (CDC, HID, mass storage) alongside application firmware, and 52KB SRAM buffers packet and acquisition data. The TFBGA-121 footprint's 83 I/O pins connect front-end analog conditioning, displays, and relays. For noise-sensitive analog front ends, place the USB PHY region away from ADC inputs and use the internal regulator configuration recommended in the Microchip USB design guidelines.
Recommended
Digital Audio and Speech Processing
The DSPIC33EP512MU810T-I/BG serves digital audio and speech processing because the 70 MIPS core with single-cycle 17x17 MAC and 40-bit accumulators executes IIR/FIR filters, sample-rate converters, and codecs in real time. Microchip explicitly targets the dsPIC33E family at digital audio and speech processing workloads. The DCI (Data Converter Interface) serial port connects directly to audio codecs and ADCs, and DMA streams sample data without core overhead. The 512KB FLASH holds long coefficient tables and multiple firmware profiles selectable at boot. Typical end products include professional microphones, conference-room speech processors, and hearing-assist devices. Designers should schedule filter blocks against available MIPS headroom, as cascaded IIR sections at 48 kHz can consume a substantial fraction of the 70 MIPS budget when combined with USB streaming.
Recommended
Industrial Automation and PLC I/O
In industrial automation, the DSPIC33EP512MU810T-I/BG acts as an intelligent I/O node or compact PLC module: the 83 GPIO pins in a 10x10 mm TFBGA give high contact density for reading sensors and driving actuators, while the 32-channel ADC digitizes analog process signals across -40C to +85C ambient conditions. The 15 DMA channels and 9 timers offload scan-cycle bookkeeping, and 512KB FLASH retains communication stacks plus configurable logic. The core's deterministic execution supports cyclic scan behavior required by PLC-style firmware. USB or UART-based field links tie the node to a supervisory controller. Designers should apply TVS protection and isolation on field-wired I/O, as industrial transients exceed the microcontroller's absolute maximum ratings; the DSC itself handles signal processing, not galvanic isolation.
Recommended
Embedded Sensing and IoT Gateways
The DSPIC33EP512MU810T-I/BG works as the processing hub in embedded sensing systems that aggregate multiple analog sensors and forward processed data upstream. Its 32-channel 10/12-bit ADC converts many sensor inputs without external multiplexers, and the 70 MIPS core performs local filtering, calibration, and feature extraction - reducing raw-data bandwidth on the uplink. The USB module provides a direct gateway path to host equipment, while UART/SPI/I2C links connect radio modules. The industrial temperature range and 3.0V to 3.6V supply suit DIN-rail and panel-mounted gateways. Because the TFBGA package is not field-serviceable, prototype with the TQFP variant of the same die and move to BG for production density. Estimated: sensor-node firmware using filtering plus USB CDC typically consumes well under half of the 512KB FLASH.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MU810T-I/BG — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512MU810-I/BG | DSPIC33EP512MU810T-E/BG | DSPIC33EP512GM310-E/BG |
|---|---|---|---|---|
| Package | 121-TFBGA (10x10 mm) | 121-TFBGA (10x10 mm) - same | 121-TFBGA (10x10 mm) - same | 121-TFBGA (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Program Memory | 512KB FLASH | 512KB FLASH | 512KB FLASH | 512KB FLASH |
| Temperature Range | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) |
| USB Module | Yes (full-speed) | Yes (full-speed) | Yes (full-speed) | GM series peripheral set - verify |
Key Differentiators
- TFBGA-121 footprint with 83 I/O pins in 10x10 mm (vs DSPIC33EP512MU810T-I/PF)
- Extended temperature option on identical footprint (vs DSPIC33EP512MU810T-E/BG)
- Integrated full-speed USB (vs DSPIC33EP512GM310-E/BG)
Design Notes
The 121-TFBGA (10x10 mm, ~0.8 mm ball pitch) requires controlled fanout. Plan a via-in-pad or dog-bone breakout on outer rows, and dedicate at least two inner layers as solid ground/power planes referenced to the ball grid. Microchip application guidance for dsPIC33EP BGA parts recommends verifying the ball map directly from the datasheet pin diagrams - never assume it matches TQFP pin functions of the same die. If your contract manufacturer lacks BGA reflow capability, source the TQFP-100 (/PF) variant of the same die instead.
Supply the core and I/O rails from a regulated 3.0V to 3.6V source; the nominal design point is 3.3V. Decouple each VDD ball pair with 0.1uF ceramic capacitors placed within 2 mm of the ball, plus one bulk 10uF per power domain. Estimated: at 60 MHz with heavy DSP load, core current is typically in the tens-of-mA range per Microchip family current-consumption curves, so a 500 mA LDO or buck stage provides comfortable margin including USB transceiver current.
Keep the USB D+/D- differential pair length-matched within 1 mm and routed over an unbroken ground plane, with 90-ohm differential impedance. Since D+/D- route from inner BGA balls, exit the ball field on the first fanout layer and avoid crossing plane splits. For high-speed PWM outputs driving motor gates, add series termination (estimated 22-33 ohm based on typical dsPIC drive impedance) to control overshoot on long traces.
Compliance Information
RoHS compliance per Microchip product data for /BG packaging. AEC-Q100 qualification applies to specific qualified variants within the dsPIC33EPxxxMU810 family per distributor listing; verify the exact orderable PNN for automotive use.
