DSPIC33EV256GM004T-I/PT - 16-bit 70 MIPS 5V DSC 256KB | Microchip
MPN: DSPIC33EV256GM004T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.95 | $4.95 |
| 10 | $4.52 | $45.20 |
| 100 | $4.1 | $410.00 |
| 500 | $3.75 | $1,875.00 |
| 1,000 | $3.42 | $3,420.00 |
DSPIC33EV256GM004T-I/PT Overview
A digital signal controller combines the computational architecture of a microcontroller with DSP-capable instruction execution, sitting in the product hierarchy between a general-purpose MCU and a dedicated DSP. The dsPIC33EV family extends this concept with a 5V-tolerant core, making it uniquely suited to harsh electrical environments where 3.3V processors would require additional level-shifting and noise-margin engineering.
Key features include the 5V operating range of 4.5V to 5.5V, single-cycle MAC and DSP instructions, 4 DMA channels, 7 timers, on-chip PWM modules with advanced motor-control capability, a SENT peripheral for automotive sensor interfaces, and integrated analog features including op amps as described in the 506-page manufacturer datasheet. The ECC Flash protects program memory integrity in electrically noisy conditions.
Architecturally, the device uses a modified Harvard 16-bit CISC core with a barrel shifter and multiple internal buses, sustaining 70 MIPS at its maximum clock while retaining deterministic interrupt latency important for closed-loop control.
Typical applications include appliance motor control, industrial drives and power conversion, and automotive sensor and touch-control units operating under noise and vibration.
Design consideration: provide robust decoupling and respect the 4.5V minimum supply; the 5V domain simplifies interface to legacy automotive sensors but demands attention to PCB creepage on mixed-voltage boards.
This page synthesizes distributor data, drop-in family alternatives, and design guidance beyond the raw manufacturer datasheet.
Drop-in alternatives for DSPIC33EV256GM004T-I/PT — 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 DSPIC33EV256GM004T-I/PT (same form factor and footprint) — differing in Package, Core Architecture, On-chip Op Amps, Operating Temperature, RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
No drop-in alternatives available for this product.
Request AlternativesDSPIC33EV256GM004T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC CISC (modified Harvard) |
| Maximum CPU Speed | 70 MIPS |
| Program Memory | 256 KB (85.5K x 24) ECC Flash |
| RAM | 16 KB (16K x 8) |
| Supply Voltage Range | 4.5 V to 5.5 V |
| DMA Channels | 4 |
| Timers | 7 |
| I/O Pins | 35 |
| Special Peripherals | PWM, SENT, on-chip op amps |
| Package | 44-TQFP (10 x 10 mm), 0.8 mm pitch |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (I grade) |
| Packaging | Tape & Reel (T) |
| Functional Safety Support | FuSa (per onlinecomponents listing) |
| Target Markets | Appliances, industrial, automotive |
DSPIC33EV256GM004T-I/PT 44-tqfp (10 x 10 mm), 0.8 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33EV256GM004T-I/PT (44-tqfp (10 x 10 mm), 0.8 mm pitch 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 DSPIC33EV256GM004T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM004T-I/PT is suitable for 6 applications: Appliance Motor Control, Industrial Drives and Power Conversion, Automotive Sensor and Control Units, Digital Power Supplies, Battery Charging and BMS Nodes, Test, Measurement and Instrumentation Control.
Appliance Motor Control
The DSPIC33EV256GM004T-I/PT is a strong fit for appliance motor control such as washing-machine drives, compressor control, and fan systems, where its advanced PWM modules generate complementary or independent drive signals for BLDC and PMSM motors. The 70 MIPS core executes field-oriented control loops with single-cycle MAC instructions, while 4 DMA channels move ADC results without CPU intervention, keeping interrupt latency deterministic. The 5V operating domain (4.5V to 5.5V) delivers superior noise margin in environments with relay switching and inverter-induced transients, and on-chip op amps condition shunt current-sense signals without external amplifiers. ECC Flash protects firmware from single-bit corruption caused by motor switching noise. Use the SENT or comparator peripherals where sensor interfacing is required, and budget the 16 KB RAM carefully for control-state and field-weakening tables.
Recommended
Industrial Drives and Power Conversion
In industrial variable-frequency drives, solar micro-inverters, and UPS systems, the DSPIC33EV256GM004T-I/PT provides the deterministic control backbone: 70 MIPS throughput sustains current-loop bandwidths in the tens of kilohertz, and 7 timers plus advanced PWM support dead-time insertion and fault shutdown. The 5V core tolerates the electrically noisy cabinets typical of industrial panels, where 3.3V controllers often need extra filtering. The 256 KB ECC Flash accommodates complex control schemes including sensorless observers and communications stacks, while 4 DMA channels stream ADC data for multi-channel current sampling. On-chip op amps simplify isolated-shunt conditioning circuits. Place the DSC away from gate-driver switching loops on the PCB and use differential filtering on analog inputs; the industrial -40C to +85C grade covers standard factory environments, with the -E variant available for hot enclosures.
Recommended
Automotive Sensor and Control Units
Microchip targets the dsPIC33EV family directly at automotive sensor, touch, and control units that must survive noise and vibration, and the DSPIC33EV256GM004T-I/PT embodies this with its SENT interface - the single-wire, safety-oriented sensor standard used across modern vehicle platforms. The 5V core matches automotive sensor output levels directly, and ECC Flash plus functional-safety support (FuSa) in the family data address program-memory integrity expectations. Related family packaging documentation cites AEC-Q100 and TS 16949 qualification for the GM004 device. Applications include pedal-position modules, HVAC actuators, pump controllers, and touch-sense panels. Use the 70 MIPS core for dual-redundant input processing and plausibility checking, and select the -E grade (-40C to +125C) for underhood locations. The 35 I/O pins and 16 KB RAM are adequate for most body-domain subfunctions.
Recommended
Digital Power Supplies
Switch-mode power supplies and DC-DC converters benefit from the DSPIC33EV256GM004T-I/PT's combination of high-speed PWM with fine duty-cycle resolution and a 70 MIPS core capable of running average-current-mode control loops at high switching frequencies. The 4 DMA channels offload ADC sampling of output voltage and current, while on-chip comparators and op amps reduce external component count in feedback paths. The 5V domain simplifies interface with primary-side sensing circuits and optocoupler outputs. ECC Flash ensures firmware integrity over long field lifetimes in always-on power infrastructure. Design note: keep the control loop ISR under a few microseconds at 70 MIPS, use the ADC simultaneous-sampling mode for current sharing between phases, and verify the 4.5V minimum supply during input-sag transients to prevent erratic PWM behavior during brownout events.
Recommended
Battery Charging and BMS Nodes
Smart chargers and battery-management slave nodes use the DSPIC33EV256GM004T-I/PT for its precise PWM-based charge control, on-chip op amps for current measurement, and 5V noise immunity near switching stages. The 70 MIPS core implements CC/CV profiles, coulomb counting, and safety state machines concurrently, while 256 KB ECC Flash leaves headroom for charge-history logging and firmware-field-update bootloaders. The SENT peripheral can interface with battery-pack sensors conforming to automotive SENT standards. Use the 4 DMA channels to stream cell-voltage ADC readings into the 16 KB RAM buffer, and dedicate one timer to a watchdog-supervised balancing schedule. For automotive battery modules, select the -E temperature variant and verify functional-safety documentation with Microchip for ASIL-relevant functions.
Recommended
Test, Measurement and Instrumentation Control
Bench instruments, data loggers, and industrial transmitters leverage the DSPIC33EV256GM004T-I/PT as a deterministic control processor alongside its analog front ends. The 70 MIPS core with DSP instructions supports digital filtering of measurement channels (FIR/IIR), while on-chip op amps buffer sensor signals before the ADC. The 5V domain directly drives 5V-logic displays, relays, and legacy peripherals common in instrumentation, and the 44-pin TQFP offers 35 I/O for keypad scanning, indicator control, and multiple communication peripherals. ECC Flash protects calibration constants and firmware in long-lifecycle industrial equipment. DMA-based ADC sampling ensures jitter-free measurement timing independent of communication activity. Reserve the 16 KB RAM carefully when implementing deep averaging buffers, and consider the pin-compatible 128 KB variant for cost-optimized instrument tiers.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM004T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM004-I/PT | DSPIC33EV256GM004-E/PT | DSPIC33EV256GM004T-E/PT | DSPIC33EV128GM104T-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10 x 10 mm) | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Program Memory | 256 KB ECC Flash | 256 KB ECC Flash | 256 KB ECC Flash | 256 KB ECC Flash | 128 KB ECC Flash |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
Key Differentiators
- 5V noise-tolerant core (vs DSPIC33EP64MC504-E/MV)
- Full 256 KB ECC Flash in 44-pin package (vs DSPIC33EV128GM104T-I/PT)
- Extended-temperature drop-in path (vs DSPIC33EV256GM004T-E/PT)
Design Notes
The 4.5V minimum supply is a hard limit for the 70 MIPS operating point. Estimated: with a 5V nominal rail, a 5% tolerance supply (4.75V floor) leaves margin, but a 4.5V -5% rail (4.275V) violates spec. Use a low-dropout 5V regulator with adequate headroom, place a 0.1 uF ceramic at each VDD/VSS pair plus 10 uF bulk near the 44-TQFP, and verify supply ripple under PWM-heavy load transients stays within the datasheet operating range.
The 44-TQFP (10 x 10 mm, 0.8 mm pitch) requires careful thermal pad and fanout planning: use 0.5 mm traces into the fine-pitch pins with solder-mask-defined pads per IPC practice, and route analog inputs (op amp / ADC pins) away from PWM output traces. Provide a solid ground plane; the 5V domain switches significant current in motor-control use. Decouple each supply pin pair individually rather than sharing one bulk capacitor.
Temperature suffix selection is the most common ordering error in this family: -I is -40C to +85C, -E extends to +125C. A -I part in a hot enclosure (e.g., underhood or sealed drive cabinet) will exceed spec even if the average power is low - compute junction temperature (estimated: Tj = Ta + Pd x theta_JA, using datasheet theta_JA) before choosing the grade. Also note the T suffix is packaging only (tape-and-reel), not a performance grade.
Compliance Information
Microchip positions the dsPIC33EV family for automotive applications; related GM004 packaging data cites AEC-Q100 and TS 16949 standards. RoHS/lead-free per standard Microchip current-production status; verify REACH declarations directly with Microchip.
