DSPIC33EP512GP502-H/SP - 16-Bit DSC 60MIPS 512KB Flash | Microchip
MPN: DSPIC33EP512GP502-H/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.72 | $5.72 |
| 10 | $5.15 | $51.50 |
| 100 | $4.6 | $460.00 |
| 500 | $4.15 | $2,075.00 |
| 1,000 | $3.72 | $3,720.00 |
DSPIC33EP512GP502-H/SP Overview
A digital signal controller combines the computational capability of a digital signal processor with the peripheral integration and control-loop architecture of a microcontroller. Within the power-management hierarchy of embedded systems, the DSC sits between general-purpose MCUs and dedicated DSPs, making the dsPIC33E family a common choice for tightly time-closed-loop control applications such as motor control, digital power conversion, and sensor signal processing.
Key features of the dsPIC33EP512GP502 include high-speed PWM peripherals, integrated op amps and comparators (advanced analog), a Controller Area Network (CAN) module, a Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement, and a Peripheral Trigger Generator (PTG) for autonomous task scheduling. These resources reduce external component count in mixed signal-control designs.
Architecturally, the dsPIC33E general purpose family features Microchip's highest-speed 70 MIPS-class E-core with excellent performance and code density, 24-bit instruction width, DSP multiply-accumulate instructions, and superior ADC performance for accurate analog acquisition. The 3.0V to 3.6V supply range supports standard 3.3V systems, and ICSP programming/debugging is available through any PGECx/PGEDx pin pair used as a matched pair.
Typical applications include digital power supplies, BLDC and PMSM motor control, industrial automation nodes with CAN connectivity, and touch-sensing interfaces leveraging the CTMU. The 28-pin through-hole SPDIP format also makes the device well suited for prototypes, development boards, and repairable industrial equipment.
A key design consideration: with more than one PGECx/PGEDx pair available, ICSP programming tools must use pins from the same pair, and all VDD and VSS pins must be connected with decoupling capacitors for reliable operation.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33EP512GP502-H/SP — 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 DSPIC33EP512GP502-H/SP (same form factor and footprint) — differing in Core Architecture, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GP502-I/SP
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512GP502-E/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.95 / Unit
View Datasheet →DSPIC33EP256GP502-I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP256GP502-H/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP128GP502-I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GP502-H/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC |
| Maximum CPU Speed | 60 MIPS |
| Program Memory Size | 512KB (170K x 24) Flash |
| RAM Size | 48KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Package | 28-SPDIP (0.300 in, 7.62 mm) |
| Mounting Type | Through Hole |
| High-Speed PWM | Yes |
| Integrated Op Amps | Yes |
| CAN Communication | Yes |
| CTMU (Charge Time Measurement Unit) | Yes |
| Peripheral Trigger Generator (PTG) | Yes |
| Qualification | Automotive, AEC-Q100 (per distributor listing) |
| Programming Interface | ICSP via PGECx/PGEDx pin pairs |
| Family Series | dsPIC 33EP |
DSPIC33EP512GP502-H/SP 28-spdip (0.300 in, 7.62 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP512GP502-H/SP (28-spdip (0.300 in, 7.62 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 DSPIC33EP512GP502-H/SP.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512GP502-H/SP is suitable for 6 applications: Digital Power Conversion, BLDC / PMSM Motor Control, Industrial Automation CAN Nodes, Capacitive Touch Interfaces, Prototype and Development Boards, Battery Management and Monitoring.
Digital Power Conversion
The DSPIC33EP512GP502-H/SP fits digital power supplies and converters because its high-speed PWM module generates complementary, dead-time-controlled outputs at switching frequencies typical of flyback, LLC, and PFC stages, while the 60 MIPS dsPIC33E core closes current and voltage loops with DSP multiply-accumulate instructions at rates above 100 kHz. The integrated op amps buffer current-sense signals without external amplifiers, and the ADC performance ensures accurate feedback sampling. Used as the primary control IC, it replaces analog controllers with programmable loop compensation; the trade-off is careful PCB grounding to keep PWM switching noise out of the 3.0-3.6V analog domain.
Recommended
BLDC / PMSM Motor Control
Sensorless and sensored BLDC/PMSM drives are a primary application for the dsPIC33EP512GP502: the high-speed PWM generates six-step or sinusoidal drive patterns, the op amps condition phase-current shunt signals, and the 60 MIPS core executes field-oriented control (FOC) or sliding-mode observers in real time. The 512KB Flash leaves generous space for FOC libraries, parameter tables, and diagnostics in the 170K x 24 instruction space, and the CAN interface links the drive to industrial or vehicle networks. The -H temperature grade suits hot motor-enclosure environments; thermal design should still verify that self-heating keeps junctions within the specified range.
Recommended
Industrial Automation CAN Nodes
For factory automation nodes, the DSPIC33EP512GP502-H/SP provides the on-chip CAN module required for CANopen and DeviceNet-style fieldbus communication, eliminating an external CAN controller. Its 60 MIPS core handles protocol stacks, I/O scanning, and local control loops concurrently, while 512KB Flash accommodates stacked communication and application firmware. The CTMU supports capacitive buttons or cable-length measurement on operator panels, and remappable RPx pins let designers route UART, SPI, and I2C to optimal PCB positions on the 28-pin SPDIP. Through-hole mounting improves mechanical robustness in vibration-prone industrial cabinets.
Recommended
Capacitive Touch Interfaces
The Charge Time Measurement Unit (CTMU) makes the dsPIC33EP512GP502 a single-chip capacitive touch solution: charge current sources and precise timing measure touch-pad capacitance changes, and the 16-bit core applies filtering and drift compensation in software. With 512KB Flash, designers can implement multi-key scanning, self-calibration, and communication to a host over CAN or UART without external touch ICs. The integrated op amps can also buffer electrode signals. Typical end products include appliance panels and industrial keypads where the through-hole 28-SPDIP package supports field-repairable control boards. Layout discipline around the CTMU pins preserves measurement resolution.
Recommended
Prototype and Development Boards
The 28-pin SPDIP (0.300 in, 7.62 mm) through-hole package makes the DSPIC33EP512GP502-H/SP ideal for breadboard prototypes, university labs, and single-unit development rigs where surface-mount parts are impractical. The full 60 MIPS, 512KB Flash, and 48KB RAM of the production die are available, so code developed on the DIP part migrates unchanged to SOIC or SSOP siblings in volume builds. ICSP programming works through any matched PGECx/PGEDx pair with PICkit-class tools, and socketed DIP mounting allows rapid device swaps during hardware bring-up and firmware regression testing.
Recommended
Battery Management and Monitoring
The dsPIC33EP512GP502's advanced analog set supports battery monitoring and small BMS front ends: the CTMU provides precise time-of-charge measurement, integrated op amps amplify shunt currents, and the 60 MIPS core runs coulomb counting and protection state machines with deterministic latency. The CAN interface reports pack status to vehicle or storage-system controllers, matching the AEC-Q100 automotive qualification cited in distributor listings. The -H temperature grade tolerates hot battery compartments, and 512KB Flash stores logging tables and multiple charge profiles. Designers should route cell-voltage sense traces away from PWM switching nodes to protect ADC accuracy.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GP502-H/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GP502-I/SP | DSPIC33EP512GP502-E/SP | DSPIC33EP256GP502-I/SP | DSPIC33EP128GP502-I/SP |
|---|---|---|---|---|---|
| Package | 28-SPDIP (0.300 in, 7.62 mm) | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Flash Program Memory | 512KB (170K x 24) | 512KB (170K x 24) | 512KB (170K x 24) | 256KB | 128KB |
| RAM | 48KB | 48KB | 48KB | 48KB | 48KB |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Temperature Grade | -H (high-temperature grade, exact range per datasheet) | -I (industrial) | -E (extended, to +125C) | -I (industrial) | -I (industrial) |
| Peripherals (PWM/OpAmp/CAN/CTMU/PTG) | Yes / Yes / Yes / Yes / Yes | Yes / Yes / Yes / Yes / Yes | Yes / Yes / Yes / Yes / Yes | Yes / Yes / Yes / Yes / Yes | Yes / Yes / Yes / Yes / Yes |
Key Differentiators
- Maximum Flash in the 28-pin GP50x family (vs DSPIC33EP256GP502-I/SP)
- High-temperature -H grade availability (vs DSPIC33EP128GP502-I/SP)
- Cost-optimized point within same footprint (vs DSPIC33EP512GP502-I/SP)
Design Notes
Power the DSPIC33EP512GP502-H/SP from a clean 3.0V to 3.6V rail (nominal 3.3V). Decouple every VDD pin with a 0.1uF ceramic capacitor placed within 5 mm of the pin, plus one bulk 4.7uF-10uF capacitor per board. The VCAP/VDDCORE pin requires the datasheet-specified low-ESR capacitor because it stabilizes the internal core regulator - an undersized or high-ESR capacitor here causes brown-out resets and erratic operation at 60 MIPS. Avoid powering the DSC from a rail shared with switching loads without an LC filter.
ICSP programming on the dsPIC33EP512GP502 requires matched PGECx/PGEDx pairs: the device has more than one pair, and you must use pins from the same pair - e.g., ICSPCLK on PGEC2 must be paired with ICSPDAT on PGED2, per the NSDSP programming support documentation. Mixing pins from different pairs is a very common bring-up failure. Also connect MCLR through a 10k pull-up and keep it accessible on the programming header; do not drive it directly from other circuitry without a series resistor.
Although the 28-SPDIP is a through-hole package, layout still matters at 60 MIPS. Provide a solid ground plane on the opposite board side, and star-route analog ground returns from the op amp and ADC references to the VSS pins to keep high-speed PWM currents out of the analog domain. Keep crystal traces on OSC1/OSC2 short (under 15 mm) with ground guard traces. Estimated: with 0.1uF decoupling on each VDD and short return paths, supply ringing from PWM edge currents is typically reduced to negligible levels relative to the 3.3V rail.
The -H suffix targets high-temperature environments, but self-heating still must be managed. Estimated: at a typical 60 mA core/peripheral current on 3.3V, power dissipation is roughly 0.2W, which a through-hole DIP dissipates easily on a PCB with standard copper. In enclosed motor-drive or power-supply environments, verify that ambient near the device plus this self-heating stays within the -H grade's rated range; if ambient exceeds the industrial window only marginally, the DSPIC33EP512GP502-I/SP may suffice at lower cost.
Compliance Information
Distributor listing (Hotenda) identifies the DSPIC33EP512GP502-H/SP as Automotive, AEC-Q100 qualified. RoHS/REACH/lead-free status should be confirmed from Microchip's official environmental page for the exact part suffix.
