DSPIC33EP64GP503-E/TL - 16-bit DSC 60MIPS 64KB Flash | Microchip
MPN: DSPIC33EP64GP503-E/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.42 | $5.42 |
| 10 | $4.9 | $49.00 |
| 100 | $4.28 | $428.00 |
| 500 | $3.85 | $1,925.00 |
| 1,000 | $3.48 | $3,480.00 |
DSPIC33EP64GP503-E/TL Overview
A Digital Signal Controller combines the computational throughput of a DSP with the peripheral integration and control peripherals of a microcontroller, sitting within the hierarchy: DSC -> 16-bit microcontroller -> embedded processor -> semiconductor. dsPIC33E devices execute a modified Harvard architecture instruction stream from Flash in a single cycle, making them a common choice where math-intensive control loops replace a separate MCU plus DSP pair.
Key differentiating features of the dsPIC33EP64GP503 include three integrated operational amplifiers, four analog comparators, an 8-channel 10-bit/12-bit ADC with high sample rates, a CAN 2.0B controller, hi-speed PWM outputs, the Peripheral Trigger Generator (PTG), and the Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement.
Architecturally, the dsPIC33E core pairs a 16-bit CPU with DSP engine features including single-cycle MAC, 40-bit accumulators, and dual operand fetch, enabling true DSP-class filtering and transform math. DMA channels move ADC results without CPU intervention, which keeps control-loop jitter low in digital power and motor control systems.
Typical applications include digital power supplies (PFC, LLC), BLDC/PMSM motor control leveraging the hi-speed PWM, CAN-based industrial and automotive sensor nodes, and capacitive-touch or analog sensing front ends exploiting the op amps, comparators, and CTMU.
Design consideration: the E-suffix temperature grade (-40C to +125C) carries a price premium over the I-suffix; specify E grade only when the thermal environment or automotive requirement demands it. Supply 3.0V to 3.6V on VDD with proper decoupling and verify Flash endurance against the datasheet specification for high-rewrite applications.
This page synthesizes verified distributor data, drop-in family alternatives, and application-level design notes in one place, adding selection value beyond the raw Microchip datasheet.
Drop-in alternatives for DSPIC33EP64GP503-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 DSPIC33EP64GP503-E/TL (same form factor and footprint) — differing in Package, Operating Temperature, Core, RAM, CAN.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64GP503-I/TL
✅ Drop-In✓ In Stock
$3.51 / Unit
View Datasheet →DSPIC33EP128GP503-E/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32GP503-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.15 / Unit
View Datasheet →DSPIC33EP64MC503-E/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33EP64GP503-E/TL Maximum Ratings & Electrical Characteristics
| Core | dsPIC33E 16-bit DSC |
| CPU Speed | 60 MIPS (60 MHz) |
| Program Memory (Flash) | 64 KB (22K x 24) |
| RAM | 8 KB |
| Package | 36-VTLA (5x5 mm) QFN |
| Operating Temperature | -40C to +125C (E grade) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| ADC Resolution | 10-bit / 12-bit, 8 channels |
| Operational Amplifiers | 3 |
| Comparators | 4 |
| CAN | CAN 2.0B controller |
| PWM | Hi-Speed PWM |
| Special Peripherals | PTG (Peripheral Trigger Generator), CTMU |
| DMA | Yes |
| Mounting Type | Surface Mount |
| Status | In Production |
| RoHS Status | unknown |
DSPIC33EP64GP503-E/TL 36-vtla (5x5 mm) qfn Pin Configuration Guide
Pin configuration for DSPIC33EP64GP503-E/TL (36-vtla (5x5 mm) qfn 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 DSPIC33EP64GP503-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP64GP503-E/TL is suitable for 6 applications: Digital Power Supplies, BLDC / PMSM Motor Control, CAN-based Industrial Nodes, Capacitive Touch Interfaces, Automotive Sensor and Actuator Modules, Portable Instrumentation and Data Logging.
Digital Power Supplies
The DSPIC33EP64GP503-E/TL fits digital power conversion because its hi-speed PWM offers sub-nanosecond-class resolution control of switching edges, complementary outputs, and dead-time insertion required by PFC, half-bridge, and LLC topologies. The 12-bit ADC samples current and voltage feedback at high rates, and DMA moves results into memory so the 60 MIPs core can close voltage and current loops with low jitter. The four comparators support hardware-based cycle-by-cycle current limiting that responds without CPU latency. Because the controller integrates three op amps, sense-signal conditioning can occur on-chip, reducing external component count. In an LLC stage driven from a 3.3V logic domain, the E-grade -40C to +125C rating also survives power-supply internal ambients that exceed industrial limits.
Recommended
BLDC / PMSM Motor Control
For brushless DC and permanent-magnet synchronous motor drives, the DSPIC33EP64GP503-E/TL provides complementary PWM outputs with programmable dead time for the three-phase inverter, while the 12-bit ADC captures phase currents for field-oriented control at 60 MIPs with single-cycle MAC arithmetic. The three on-chip operational amplifiers amplify shunt-current signals without external amplifiers, and the four comparators enable hardware over-current trips that protect MOSFETs within microseconds. The Peripheral Trigger Generator synchronizes ADC sampling to the PWM center, minimizing ripple in current measurements. The E-grade temperature rating suits motor-drive environments where self-heating pushes ambient beyond +85C, and CAN connectivity integrates the drive into industrial or vehicle networks without an external CAN controller.
Recommended
CAN-based Industrial Nodes
Industrial sensing and actuation nodes benefit from the DSPIC33EP64GP503-E/TL's integrated CAN 2.0B controller, which handles up to 1 Mbit/s communication without an external CAN device, freeing the 60 MIPs core for protocol stacks such as CANopen. The 8-channel ADC digitizes sensor inputs, the CTMU supports precise capacitive or time-based measurements (for example level or proximity sensing), and the op amps condition millivolt-level signals from bridge sensors. The extended -40C to +125C operating range matches industrial cabinets, pump housings, and outdoor equipment exposed to thermal extremes. With 64KB Flash, a full application plus bootloader and diagnostics fits comfortably, and DMA offloads ADC-to-memory transfer so communication timing stays deterministic.
Recommended
Capacitive Touch Interfaces
The Charge Time Measurement Unit (CTMU) on the DSPIC33EP64GP503-E/TL is purpose-built for capacitive touch sensing, measuring charge time on touch pads with resolution fine enough to detect small capacitance shifts through overlays up to several millimeters thick. The CTMU also supports temperature and current measurement with its precision current source, giving two functions from one peripheral. The 60 MIPs core processes multiple channels with software-debouncing and drift compensation, while the PTG (Peripheral Trigger Generator) can orchestrate scan sequences autonomously, reducing CPU load in always-on touch applications. Combined with PWM-driven haptic or LED feedback outputs on the same chip, a complete touch HMI fits in the 5x5 mm VTLA-36 footprint across the full -40C to +125C range.
Recommended
Automotive Sensor and Actuator Modules
The DSPIC33EP64GP503-E/TL addresses automotive-adjacent modules such as lighting controllers, pump controllers, and HVAC actuators, where the -40C to +125C E-grade is a baseline requirement. The integrated CAN 2.0B controller connects the module to vehicle networks, hi-speed PWM drives lamps, fans, or valves directly, and the 12-bit ADC reads position sensors, thermistors, and supply diagnostics. The three op amps and four comparators allow windowed fault detection in hardware, supporting safety-oriented designs that must react to over-current before software can respond. With 64KB Flash there is room for diagnostics, UDS-style bootloader code, and calibration tables; the 5x5 mm QFN keeps the module compact for space-constrained actuators near heat sources.
Recommended
Portable Instrumentation and Data Logging
Battery-powered measurement instruments use the DSPIC33EP64GP503-E/TL's combination of a 12-bit ADC, on-chip op amps for signal conditioning, and DMA-driven acquisition to record sensor data with minimal external analog circuitry. The CTMU provides precision time-interval and charge measurement useful for time-of-flight or resistance-to-digital conversion, while the PTG automates acquisition sequences at low CPU cost, extending battery life through faster sleep duty cycles. The 60 MIPs core performs calibration math, filtering, and display updates without a secondary processor. Designers should balance the higher sampling performance against a ~60-90 mA-class active current draw by using idle and doze modes between conversions in battery-sensitive designs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64GP503-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64GP503-I/TL | DSPIC33EP128GP503-E/TL | DSPIC33EP32GP503-E/TL | DSPIC33EP64MC503-E/TL |
|---|---|---|---|---|---|
| Package | 36-VTLA (5x5 mm) QFN | 36-VTLA (5x5 mm) QFN - same | 36-VTLA (5x5 mm) QFN - same | 36-VTLA (5x5 mm) QFN - same | 36-VTLA (5x5 mm) QFN - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB | 64 KB | 128 KB | 32 KB | 64 KB |
| RAM | 8 KB | 8 KB | 16 KB | 4 KB | 8 KB |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Peripheral Special Features | CAN, PTG, CTMU, Hi-Speed PWM | CAN, PTG, CTMU, Hi-Speed PWM | CAN, PTG, CTMU, Hi-Speed PWM | CAN, PTG, CTMU, Hi-Speed PWM | Motor-control peripheral set, PWM - PTG/CTMU differ |
Key Differentiators
- Extended -40C to +125C temperature grade in standard production (vs DSPIC33EP64GP503-I/TL)
- Three on-chip op amps plus four comparators (vs DSPIC33EP64MC503-E/TL)
- Balanced 64KB Flash / 8KB memory point in the family (vs DSPIC33EP32GP503-E/TL)
Design Notes
Supply VDD from a clean 3.0V-3.6V rail; each VDD pin needs a 0.1 uF ceramic capacitor placed within 2 mm, plus one bulk 4.7 uF-10 uF capacitor per board. The dsPIC33E core also requires the on-chip regulator's VCAP pin capacitor (typically 10 uF low-ESR, per datasheet) to be present or the core will not start. Estimated: at 60 MIPs active current in the tens of mA class, a 3.3V/100 mA LDO such as the MCP1702 family provides adequate headroom for the MCU plus a few I/O loads.
For the 5x5 mm VTLA QFN, the exposed thermal/electrical pad on the underside must be soldered to a ground pad with an array of vias to the ground plane - it is not optional for reliable grounding and heat spread. Route the ICSP programming pins (PGECx/PGEDx pairs) to a header even in production boards; the dsPIC33E requires a valid clock source at power-up, so avoid floating MCLR and use a 10 kOhm pull-up. Keep CAN and PWM traces away from the crystal to preserve oscillator margin.
The E-suffix (-40C to +125C) commands a price premium over the I-suffix; verifying your actual worst-case ambient before ordering avoids unnecessary BOM cost, and conversely substituting I-grade into a +125C environment violates absolute maximum ratings. Also note that the T-tape variants (e.g., DSPIC33EP64GP503T-E/TL) are tape-and-reel versions of the same die, not different silicon - do not treat them as distinct engineering alternates. Confirm ADC calibration and op amp bias settings per the family datasheet when migrating firmware between GP and MC variants.
Compliance Information
Microchip product page confirms Status: In Production. Specific RoHS/REACH/lead-free certificates for the -E/TL suffix were not present in the retrieved data; obtain compliance documentation from Microchip or the distributor certificate of conformance.
