DSPIC33EP32GP504-E/TL - 16-Bit DSC, 60 MIPS, 32KB Flash | Microchip
MPN: DSPIC33EP32GP504-E/TL ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33EP32GP504-E/TL Overview
A digital signal controller combines the deterministic control of a microcontroller with the DSP math capability of a digital signal processor. In the system hierarchy, the dsPIC33EP family sits between general-purpose MCUs and dedicated DSPs: it is a 16-bit microcontroller with a DSP engine, making it a power-management-class semiconductor for real-time embedded control.
Key features include the high-speed 16-bit dsPIC33E core, high-speed PWM peripherals, integrated op amps and advanced analog modules, 5 timers, and 4 DMA channels for data movement independent of the CPU. The extended-temperature (-40C to +125C) E-grade suffix makes this variant suitable for harsh industrial and automotive-adjacent environments.
Architecturally, the CMOS core operates from a 60 MHz clock with a modified Harvard bus structure, supporting DSP multiply-accumulate instructions alongside C-friendly MCU code. In-circuit debugging and In-Circuit Serial Programming (ICSP) are supported through MPLAB tools such as MPLAB SNAP, using just two device I/O pins and the reset line.
Typical applications include digital power supplies, motor control (PMSM, BLDC), LED lighting drivers, and general-purpose sensing systems that need the general-purpose (GP) peripheral set of this family.
Design consideration: verify that 32KB Flash and 4KB SRAM are sufficient headroom for your application plus bootloader, and respect the 6x6 VTLA thermal pad layout for heat dissipation at full clock speed.
This page synthesizes distributor data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EP32GP504-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 DSPIC33EP32GP504-E/TL (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Core Performance, Flash Program Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP32GP504-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.85 / Unit
View Datasheet →DSPIC33EP256MC504T-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.32 / Unit
View Datasheet →DSPIC33EP64GP504-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GP504-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.98 / Unit
View Datasheet →DSPIC33EP32GS504
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP32GP504-E/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit DSC |
| Core Performance | 60 MIPS |
| Clock Frequency | 60 MHz |
| Flash Program Memory | 32 KB (10.7K x 24) |
| SRAM | 4 KB |
| Package | 44-VTLA (6x6 mm) QFN |
| Operating Temperature | -40C to +125C |
| Timers | 5 |
| DMA Channels | 4 |
| PWM | High-Speed PWM |
| Analog | Op Amps, Advanced Analog |
| Process Technology | CMOS |
| Mounting Type | Surface Mount |
| Debug/Programming | ICSP via MPLAB SNAP (2 I/O pins + reset) |
| Low-Power Modes | Yes |
| Lifecycle Status | In Production (per Microchip product page) |
DSPIC33EP32GP504-E/TL 44-vtla (6x6 mm) qfn Pin Configuration Guide
Pin configuration for DSPIC33EP32GP504-E/TL (44-vtla (6x6 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 DSPIC33EP32GP504-E/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP32GP504-E/TL is suitable for 6 applications: Digital Power Supplies, BLDC and PMSM Motor Control, High-Brightness LED Lighting, Industrial Sensing and Automation Nodes, Portable and Battery-Powered Instruments, Automotive-Adjacent and Harsh-Environment Control.
Digital Power Supplies
The DSPIC33EP32GP504-E/TL fits switch-mode power supply (SMPS) control because its high-speed PWM peripherals generate precisely timed switching waveforms while the 60 MIPS 16-bit DSP core executes current- and voltage-loop compensation math in real time. The 4 DMA channels offload ADC result transfer from the CPU, keeping control-loop jitter low even at high switching frequencies. Typical topology places the DSC between voltage/current sense dividers and the power stage gate drivers, with the on-chip advanced analog (op amps, comparators) conditioning feedback signals without external amplifiers. The -40C to +125C extended temperature grade of this E-grade variant is valuable in enclosed power supplies with limited airflow, where silicon junctions routinely exceed 100C. Unlike analog-only controllers, firmware-based control allows soft-start profiling, fault logging, and protocol-based telemetry on the same chip.
Recommended
BLDC and PMSM Motor Control
The DSPIC33EP32GP504-E/TL is well suited to brushless DC and permanent-magnet synchronous motor control: its high-speed PWM module drives a three-phase inverter with complementary outputs and dead-time control, while the 60 MIPS DSP core runs field-oriented control (FOC) or sensorless trapezoidal algorithms with multiply-accumulate instructions. The integrated op amps amplify shunt-resistor current signals, and the advanced analog block supports fast overcurrent protection paths independent of software latency. In a typical design, the DSC reads Hall sensors or back-EMF through its ADC, computes rotor position, and updates PWM duty at the control-loop rate. With 32KB Flash, compact sensored BLDC firmware fits comfortably; designs needing full FOC libraries plus communication stacks should choose the pin-compatible DSPIC33EP256MC504T-I/TL on the same 44-pin VTLA footprint. The -40C to +125C rating suits motor-adjacent mounting near heat-generating drivers.
Recommended
High-Brightness LED Lighting
The DSPIC33EP32GP504-E/TL controls high-brightness LED drivers by generating high-frequency PWM or constant-current regulation through its high-speed PWM module and fast analog comparators. The 60 MIPS core implements average-current-mode control and dimming curves (gamma correction, PWM/analog hybrid dimming) while the on-chip op amps condition current-sense feedback without extra components. In streetlight and industrial-fixture designs, the extended -40C to +125C temperature range of this E-grade part tolerates driver-board hot spots that routinely exceed industrial limits. The 32KB Flash is sufficient for LED control firmware including DALI or simple serial command interfaces, and the 4 DMA channels keep ADC sampling of current and temperature sensors deterministic. Firmware-based control also enables adaptive thermal derating, extending LED and driver lifetime in sealed luminaires where ambient temperatures are high and airflow is minimal.
Recommended
Industrial Sensing and Automation Nodes
In factory automation, the DSPIC33EP32GP504-E/TL serves as a compact sensing and actuation node: the advanced analog block (op amps, ADC) digitizes sensor signals such as pressure, temperature, and strain, while the 60 MIPS 16-bit core performs filtering, calibration, and threshold logic locally. Five timers support multiple concurrent tasks such as pulse-width measurement of encoders and periodic sensor polling, and the 4 DMA channels stream ADC data without CPU overhead. The extended -40C to +125C operating range allows mounting directly on machinery rather than in conditioned cabinets, reducing wiring cost. Typical deployment pairs the DSC with a transceiver or optocoupler for fieldbus communication. Compared with a plain MCU, the DSP engine accelerates FFT-based vibration diagnostics; compared with a discrete DSP, it keeps single-chip simplicity, low BOM count, and ICSP in-field firmware updates via MPLAB SNAP on the production line.
Recommended
Portable and Battery-Powered Instruments
The DSPIC33EP32GP504-E/TL suits handheld measurement and portable instruments because its low-power modes reduce average current draw between measurements, while the 60 MIPS core delivers bursts of DSP performance for signal analysis when active. The 44-pin VTLA 6x6 mm QFN package keeps board area small, important for compact enclosures, and the integrated op amps reduce external analog component count in signal-conditioning front ends. A typical handheld meter uses the DSC to sample a sensor through the ADC with DMA double-buffering, apply calibration and digital filtering in firmware, and drive a display and serial interface. The 32KB Flash accommodates measurement firmware plus a bootloader for field upgrades over UART. Designers should budget the 4KB SRAM carefully for filter histories and buffers; if headroom runs short, the pin-compatible 64KB/128KB Flash variants provide growth options without a PCB respin.
Recommended
Automotive-Adjacent and Harsh-Environment Control
The extended -40C to +125C temperature grade of the DSPIC33EP32GP504-E/TL makes it appropriate for control modules in harsh thermal environments near engines, pumps, and industrial drives - applications that share automotive-class environmental demands even where formal AEC-Q100 qualification is not required. The high-speed PWM and advanced analog support solenoid, valve, and actuator drive with current-mode control, while the 60 MIPS core executes diagnostics such as plausibility checks and fault latching required by functional-safety-adjacent processes. In a typical module, the DSC reads position and current sensors, drives power FETs through gate drivers, and reports status over a serial link, with the 4 DMA channels ensuring deterministic ADC sampling for protection paths. The 6x6 mm VTLA package with thermal pad aids heat spreading on multilayer PCBs; designers should verify qualification requirements with Microchip for safety-relevant deployments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP32GP504-E/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP32GP504-I/TL | DSPIC33EP256MC504T-I/TL | DSPIC33EP64GP504-I/TL | DSPIC33EP128GP504-I/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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 32 KB (10.7K x 24) | 32 KB | 256 KB | 64 KB | 128 KB |
| Core Performance | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Operating Temperature | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Peripheral Family | GP (general purpose, high-speed PWM, op amps, advanced analog) | GP - same | MC (motor control) | GP - same | GP - same |
| Lifecycle Status | In Production | In Production | In Production | In Production | In Production |
Key Differentiators
- Extended -40C to +125C temperature grade in this footprint (vs DSPIC33EP32GP504-I/TL)
- Lowest-cost entry point in the 44-VTLA family (vs DSPIC33EP128GP504-I/TL)
- General-purpose peripheral set including op amps and advanced analog (vs DSPIC33EP256MC504T-I/TL)
- Trade-off: limited memory headroom (vs DSPIC33EP256MC504T-I/TL)
Design Notes
The 44-VTLA 6x6 mm QFN package uses a central exposed thermal pad that must be soldered to a grounded copper pour with an array of thermal vias to the ground plane. This pad is not only the primary heat-removal path at 60 MHz full-speed operation in the -40C to +125C extended grade, it is also the ground return for the ADC and analog peripherals - a solid, low-impedance connection directly improves analog accuracy. Follow the Microchip family datasheet land-pattern recommendations and inspect the reflow profile for QFN wetting, since hidden pad voids are a common field-failure cause.
Decouple each VDD pin with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus bulk capacitance of 4.7 uF to 10 uF near the device. For the extended -40C to +125C E-grade part, use X7R or better dielectrics rated to 125C; cheaper X5R/Y5V capacitors lose capacitance at temperature and can cause brown-out resets in hot enclosures. Enable the on-chip Brown-out Reset and configure the internal voltage regulator per the datasheet power section. Estimated: allow extra supply margin if driving heavy PWM loads, since I/O switching current concentrates at PWM edges.
Two frequent mistakes: (1) selecting the -I/TL industrial-grade part (-40C to +85C) in designs verified to reach +105C ambient - the junction will exceed the industrial limit and reliability suffers; always confirm the thermal budget before substituting an I-grade drop-in. (2) Underestimating 32KB Flash/4KB SRAM: floating-point DSP routines and communication stacks grow quickly. Reserve at least 20% code headroom or plan the pin-compatible migration path to DSPIC33EP64/128GP504-I/TL or DSPIC33EP256MC504T-I/TL, which requires no PCB change.
Route ICSP programming pins (PGD/PGC and MCLR) to a standard 8-pin SIL programming header as recommended in the Microchip MPLAB SNAP documentation; this enables in-circuit debugging and production programming without board rework. Keep high-speed PWM outputs away from analog sense traces, and use ground guarding around op-amp inputs feeding the advanced analog block. Isolate gate-driver returns from the analog ground with a single-point (star) connection at the thermal pad to prevent PWM switching noise from corrupting ADC readings.
Compliance Information
Compliance details were not present in the verified web data; consult the Microchip product page or environmental datasheet for RoHS/REACH status of the -E/TL suffix.
