DSPIC33EP128MC504-E/TL - 16-bit 60 MIPS DSC, 128KB Flash | Microchip
MPN: DSPIC33EP128MC504-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.6 | $5.60 |
| 10 | $5.05 | $50.50 |
| 100 | $4.5 | $450.00 |
| 500 | $4.1 | $2,050.00 |
| 1,000 | $3.75 | $3,750.00 |
DSPIC33EP128MC504-E/TL Overview
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral integration and ease of use of a microcontroller. DSCs sit between general-purpose MCUs and dedicated DSPs in the embedded hierarchy, making them the preferred choice for closed-loop control systems that need both fast math and rich analog peripherals on a single chip.
Key features include the dsPIC33E modified-Harvard core with a 16-bit wide data path, 24-bit wide instructions, 16x16 integer multiply and 32/16 divide operations, and two 40-bit accumulators for efficient DSP math. On-chip motor-control PWM (MCPWM), operational amplifiers, comparators, and the Peripheral Trigger Generator (PTG) reduce external component count. Connectivity covers CAN, I2C, SPI, UART/USART, IrDA, LINbus, and QEI for encoder feedback.
The -E grade differentiates this part from the standard -I version: it is qualified across -40C to +125C ambient, though the core is rated to 60 MIPS (not 70 MIPS) at the top of the extended temperature range. At 3.0V to 3.6V supply, the device targets precision motor control, digital power conversion, and sensor-fusion applications.
Typical applications include BLDC/PMSM motor drives with field-oriented control, switch-mode power supplies and solar inverters, and industrial automation nodes requiring CAN networking with embedded DSP filtering.
When designing with this device, verify that 60 MIPS at 125C meets your control-loop budget; systems needing full 70 MIPS at high ambient should select the -I temperature grade or provide active cooling. Reserve Flash headroom for bootloader and field-updatable firmware.
This page synthesizes distributor pricing context, drop-in family alternatives, and practical design notes not found in a single manufacturer document.
Drop-in alternatives for DSPIC33EP128MC504-E/TL — 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 DSPIC33EP128MC504-E/TL (same form factor and footprint) — differing in Package, Operating Temperature, Supply Voltage, Application Segment, Connectivity.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP128MC504-I/TL
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33EP256MC504-E/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64MC504-E/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32MC504-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33EP128GP504-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →DSPIC33EP128MC504-E/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC, modified Harvard |
| Max CPU Speed (E grade, -40C to +125C) | 60 MIPS |
| Max CPU Speed (-40C to +85C) | 70 MIPS |
| Program Memory | 128 KB (43K x 24) Flash |
| Data SRAM | 16 KB |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C |
| Package | 44-VTLA (6x6 mm) |
| Mounting Type | Surface Mount |
| Connectivity | CAN, I2C, SPI, UART/USART, IrDA, LINbus, QEI |
| Motor Control PWM | Yes (MCPWM) |
| On-chip Op Amps | Yes |
| Comparators | Yes |
| Peripheral Trigger Generator | Yes (PTG) |
| DSP Features | 16x16 multiply, 32/16 divide, two 40-bit accumulators |
| Core Frequency | 60 MHz |
| RoHS Status | Compliant |
| Instruction Width | 24-bit instructions, 16-bit data path |
DSPIC33EP128MC504-E/TL 44-vtla (6x6 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP128MC504-E/TL (44-vtla (6x6 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 DSPIC33EP128MC504-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP128MC504-E/TL is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion, Industrial Automation and CAN Networking Nodes, Electric Vehicle and E-mobility Subsystems, Sensor Signal Processing and Embedded DSP, Test, Measurement and Instrumentation Control.
BLDC / PMSM Motor Control
The DSPIC33EP128MC504-E/TL is purpose-built for precision motor control: its MCPWM module generates complementary PWM pairs with hardware dead time, the on-chip op amps buffer shunt-current sense signals, and comparators provide cycle-by-cycle overcurrent protection without CPU intervention. QEI decodes encoder feedback for closed-loop commutation, while 60 MIPS operation maintained across the full -40C to +125C range keeps field-oriented-control loops deterministic even in hot motor-drive enclosures. With 16x16 multiply and 40-bit accumulators, Clarke/Park transforms and PI current loops execute well within a 10-20 kHz control period, and 128KB Flash holds the FOC stack plus communication firmware with headroom.
Recommended
Digital Power Conversion
In digitally controlled power supplies, solar inverters, and telecom rectifiers, the DSPIC33EP128MC504-E/TL replaces analog compensators with firmware: the MCPWM module's complementary outputs and immediate updates suit LLC, half-bridge, and totem-pole topologies, while on-chip comparators implement hardware overcurrent limiting at sub-microsecond latency. The dsPIC33E core's DSP multiply-accumulate executes PI and PR (proportional-resonant) compensators at 100-500 kHz switching frequencies with 60 MIPS reserved across the extended temperature range. The -E grade's 125C rating allows placement near hot power stages, and CAN connectivity supports digital-power telemetry and droop sharing in paralleled converter systems.
Recommended
Industrial Automation and CAN Networking Nodes
Factory automation nodes benefit from the DSPIC33EP128MC504-E/TL's integrated CAN, UART/USART, SPI, and I2C ports, which link sensors, drives, and HMIs without external communication controllers. The Peripheral Trigger Generator (PTG) automates sensor-sampling sequences independently of the CPU, freeing MIPS for protocol stacks and application logic. With 128KB of self-programmable Flash, the node can store parameter sets, implement field firmware updates over CAN, and log diagnostics. The -40C to +125C operating range suits control cabinets mounted near motors, heaters, or outdoor equipment where industrial -I grade parts (85C limit) would be marginal.
Recommended
Electric Vehicle and E-mobility Subsystems
E-mobility subsystems such as pump fans, seat actuators, and small traction auxiliaries demand motor control that survives high under-hood-adjacent temperatures. The DSPIC33EP128MC504-E/TL's -40C to +125C grade at 60 MIPS covers these environments, while MCPWM, op amps, and comparators implement sensorless FOC with single-shunt current reconstruction. QEI supports position feedback for actuators, and the LINbus and CAN interfaces integrate with vehicle networks. Designers should validate AEC-Q qualification requirements separately, as this ordering code is an extended-temperature industrial part rather than an automotive-qualified variant, and select the appropriate Microchip automotive family member where mandated.
Recommended
Sensor Signal Processing and Embedded DSP
The dsPIC33E core's DSP engine - 16x16 single-cycle multiply, 32/16 divide, dual 40-bit accumulators, and X/Y dual-data-plane addressing - makes the DSPIC33EP128MC504-E/TL effective for real-time sensor processing such as FFT-based vibration analysis, digital filtering, and RMS metering. On-chip op amps front-end small sensor signals, comparators create window thresholds, and the PTG sequences ADC conversions autonomously, producing deterministic sampling even under communication load. The 16KB SRAM accommodates moderate FFT buffers, and 128KB Flash retains calibration tables. The extended 125C rating suits sensors mounted on engines, compressors, and industrial machinery.
Recommended
Test, Measurement and Instrumentation Control
Bench instruments, data loggers, and power analyzers use the DSPIC33EP128MC504-E/TL as a real-time control and math engine: its DSP MAC operations compute true-RMS, power factor, and harmonics from sampled waveforms, while UART/USB-bridge and SPI links stream data to a host processor or display. The 60 MIPS rating held to +125C guarantees consistent measurement timing across instrument warm-up and outdoor deployment, and PTG-driven autonomous ADC sequencing yields jitter-free sample intervals critical for spectral accuracy. With QEI and PWM outputs, the same controller can also drive instrument positioning stages and stimulus generation, consolidating multiple IC functions.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP128MC504-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP128MC504-I/TL | DSPIC33EP256MC504-E/TL | DSPIC33EP64MC504-E/TL | DSPIC33EP32MC504-E/TL | DSPIC33EP128GP504-E/TL |
|---|---|---|---|---|---|---|
| Package | 44-VTLA (6x6 mm) | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same | 44-VTLA (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB (43K x 24) | 128 KB | 256 KB | 64 KB | 32 KB | 128 KB |
| Max MIPS (E grade) | 60 MIPS (-40C to +125C) | 70 MIPS (-40C to +85C) | 60 MIPS (-40C to +125C) | 60 MIPS (-40C to +125C) | 60 MIPS (-40C to +125C) | 60 MIPS (-40C to +125C) |
| Peripheral Set | MC (MCPWM, op amps, comparators, PTG, CAN) | MC - identical | MC - identical | MC - identical | MC - identical | GP - reduced analog/motor set |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| Connectivity | CAN, I2C, SPI, UART, IrDA, LIN, QEI | Same | Same | Same | Same | Same |
Key Differentiators
- Extended temperature with retained DSC performance (vs DSPIC33EP128MC504-I/TL)
- Flash headroom for feature-rich firmware (vs DSPIC33EP64MC504-E/TL)
- Motor-control analog integration (vs DSPIC33EP128GP504-E/TL)
- Honest trade-off: speed at temperature (vs DSPIC33EP128MC504-I/TL)
Design Notes
The -E suffix changes both temperature grade and speed limit: this part runs 60 MIPS from -40C to +125C, not the 70 MIPS headline figure that applies to -I parts up to +85C. Systems clocked at 70 MIPS in firmware will be out of specification at high ambient. Check the configuration-bit clock settings and your worst-case loop budget before choosing -E over -I; conversely, -E parts must not be assumed to hit 70 MIPS anywhere per Microchip operating-condition tables for this ordering code.
Supply the 44-VTLA device from a clean 3.0-3.6V rail: place 0.1 uF ceramic decoupling at every VDD/VSS pair plus 10 uF bulk near the package, and keep the VDD plane quiet because the on-chip op amps and comparators used for current sensing are supply-referenced. During Flash self-programming, core current spikes; insufficient decoupling can cause spurious resets. Follow Microchip's dsPIC33EP hardware design guidelines for oscillator layout (crystal guard ring, short traces) to guarantee reliable startup across the full temperature range.
The 6x6 mm 44-VTLA package exposes its thermal pad on the bottom; solder it to a grounded copper pour of at least a few square centimeters to extract die heat in motor-drive applications where PWM peripherals switch continuously. Route PWM outputs away from the current-shunt sense lines feeding the on-chip op amps, and use Kelvin connections at the shunt resistors. Estimating: at roughly 100 mA typical operating current on a 3.3 V rail (approximate; verify in datasheet electrical characteristics), dissipation is near 0.33 W, manageable with a modest pour, but analog accuracy improves with lower die temperature.
Keep the CAN, UART, and QEI signal traces short and, for CAN, implement a proper terminated bus (120 ohm at both ends) near the transceiver. Reserve one UART with ICSP/ICD access for debugging and field firmware updates; 128KB Flash supports a two-slot bootloader for safe image rollback. Group the ADC input connector away from PWM connectors on the PCB edge to prevent encoder-count corruption from PWM switching noise coupling into QEI inputs.
Compliance Information
RoHS compliant and lead-free per Microchip product page and DigiKey listing for the /TL ordering code. REACH, halogen-free, and conflict-minerals status not stated in provided data - confirm from Microchip environmental documentation.
