DSPIC33EP512GM306-H/PT - 70 MIPS DSC, 512KB Flash | Microchip
MPN: DSPIC33EP512GM306-H/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.42 | $7.42 |
| 10 | $6.68 | $66.80 |
| 100 | $5.94 | $594.00 |
| 500 | $5.35 | $2,675.00 |
| 1,000 | $4.82 | $4,820.00 |
DSPIC33EP512GM306-H/PT Overview
A digital signal controller combines the computational throughput of a digital signal processor with the peripheral integration and deterministic control of a microcontroller. In the power-management hierarchy of embedded systems, the DSC sits between a general-purpose MCU and a dedicated DSP, making it the preferred device class for closed-loop control applications such as field-oriented motor control, digital power conversion, and real-time sensor fusion, where multiply-accumulate (MAC) DSP instructions must execute inside tight interrupt latency windows.
Key features of the DSPIC33EP512GM306-H/PT include the 70 MIPS dsPIC33E core with integrated DSP engine, 12 motor-control-oriented channels per the distributor listing (12 MC), and 8 input-capture and 8 output-compare channels supporting quadrature encoder interface (QEI) with 4 op-amps stated in the distributor description (8/8 IC/OC, 2 QEI, OpAmp). Peripheral Pin Select (PPS) allows most digital peripherals to be remapped to any of many I/O pins, greatly increasing board-layout flexibility.
Technically, the dsPIC33E architecture is a modified Harvard 16-bit core with 24-bit instructions, hardware division, and single-cycle MAC. Code executes from 512 KB of Flash with page-erase/word-program self-write capability, and the 3.3 V core supports low-power sleep and idle modes. The GM306 variant integrates analog comparators and operational-amplifier resources suited to current-sense front ends in inverter and servo drives.
Typical applications include precision PMSM/BLDC and AC-induction motor drives, digital AC/DC and DC/DC power supplies (PFC, LLC), and industrial condition-monitoring nodes that perform FFT-based vibration analysis. The extended temperature capability of the -H/ suffix variant suits harsh industrial enclosures and automotive-adjacent environments.
Design consideration: supply all VDD/VSS pin pairs and use the recommended ceramic decoupling plus the VCAP core-regulator capacitor exactly as specified in the datasheet; also connect PGEDx/PGECx in matched pairs for ICSP programming and debugging.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing a single reference for engineers evaluating the DSPIC33EP512GM306-H/PT.
Drop-in alternatives for DSPIC33EP512GM306-H/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 DSPIC33EP512GM306-H/PT (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, Peripheral Pin Select.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512GM306-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GM306-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.48 / Unit
View Datasheet →DSPIC33EP512GM606-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512GM706-H/PT
✅ Drop-In✓ In Stock
$5.45 / Unit
View Datasheet →DSPIC33EP512GM706-I/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP512GM306-H/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC core |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (Flash) | 512 KB |
| RAM | 16 KB |
| Supply Voltage | 3.3 V |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Motor Control Channels | 12 MC |
| Input Capture / Output Compare | 8/8 IC/OC |
| Quadrature Encoder Interfaces | 2 QEI |
| Integrated Op-Amps | Yes (OpAmp per distributor listing) |
| Peripheral Pin Select | Yes (PPS remappable I/O) |
| Terminal Form | Gull Wing |
| Package Shape | Square (TFQFP) |
| Packaging | Tray |
DSPIC33EP512GM306-H/PT Pin Configuration
| Pin 1 | MCLR — Master clear reset input / programming voltage |
| Pin 2 | AN0/VREF+/RB0 — Analog input 0 / ADC positive reference / Port B0 |
| Pin 3 | AN1/VREF-/RB1 — Analog input 1 / ADC negative reference / Port B1 |
| Pin 4 | PGED1/AN2/RP0/RB2 — ICSP data 1 / analog input 2 / PPS pin RP0 |
| Pin 5 | PGEC1/AN3/RP1/RB3 — ICSP clock 1 / analog input 3 / PPS pin RP1 |
| Pin 6 | PGED2/AN4/RP2/RB4 — ICSP data 2 / analog input 4 / PPS pin RP2 |
| Pin 7 | PGEC2/AN5/RP3/RB5 — ICSP clock 2 / analog input 5 / PPS pin RP3 |
| Pin 8 | AN6/RP4/RB6 — Analog input 6 / PPS pin RP4 |
| Pin 9 | AN7/RP5/RB7 — Analog input 7 / PPS pin RP5 |
| Pin 10 | AN8/C1IN-/RP6/RB8 — Analog input 8 / comparator 1 inverting input / PPS RP6 |
| Pin 11 | AN9/C1IN+/RP7/RB9 — Analog input 9 / comparator 1 non-inverting input / PPS RP7 |
| Pin 12 | AN10/C2IN-/RP8/RB10 — Analog input 10 / comparator 2 inverting input / PPS RP8 |
| Pin 13 | AN11/C2IN+/RP9/RB11 — Analog input 11 / comparator 2 non-inverting input / PPS RP9 |
| Pin 14 | AVSS — Analog ground |
| Pin 15 | AVDD — Analog power supply |
| Pin 16 | VSS — Digital ground |
| Pin 17 | VDD — Digital power supply |
| Pin 18 | TMS/CVREF/RP10/RB12 — JTAG TMS / comparator voltage reference / PPS RP10 |
| Pin 19 | TCK/AN12/RP11/RB13 — JTAG TCK / analog input 12 / PPS RP11 |
| Pin 20 | TDI/AN13/RP12/RB14 — JTAG TDI / analog input 13 / PPS RP12 |
| Pin 21 | TDO/AN14/RP13/RB15 — JTAG TDO / analog input 14 / PPS RP13 |
| Pin 22 | AN15/RP14/RF6 — Analog input 15 / PPS RP14 / Port F6 |
| Pin 23 | VDD — Digital power supply |
| Pin 24 | VSS — Digital ground |
| Pin 25 | RP15/SDI1/RF2 — PPS RP15 / SPI1 data in / Port F2 |
| Pin 26 | RP16/RF3 — PPS remappable pin / Port F3 |
| Pin 27 | RP17/RF4 — PPS remappable pin / Port F4 |
| Pin 28 | RP18/RF5 — PPS remappable pin / Port F5 |
| Pin 29 | RP19/RF0 — PPS remappable pin / Port F0 |
| Pin 30 | RP20/RF1 — PPS remappable pin / Port F1 |
| Pin 31 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 32 | OSC2/CLKO/RC15 — Crystal oscillator output / clock output / Port C15 |
| Pin 33 | VCAP/VDDCORE — Core regulator capacitor connection |
| Pin 34 | VDD — Digital power supply |
| Pin 35 | VSS — Digital ground |
| Pin 36 | RG0 — General purpose I/O Port G0 |
| Pin 37 | RG1 — General purpose I/O Port G1 |
| Pin 38 | RG2 — General purpose I/O Port G2 |
| Pin 39 | RG3 — General purpose I/O Port G3 |
| Pin 40 | RG6 — General purpose I/O Port G6 (PPS capable) |
| Pin 41 | RG7 — General purpose I/O Port G7 (PPS capable) |
| Pin 42 | RG8 — General purpose I/O Port G8 (PPS capable) |
| Pin 43 | RG9 — General purpose I/O Port G9 (PPS capable) |
| Pin 44 | VSS — Digital ground |
| Pin 45 | VDD — Digital power supply |
| Pin 46 | RC1 — General purpose I/O Port C1 |
| Pin 47 | RC2 — General purpose I/O Port C2 |
| Pin 48 | RC3 — General purpose I/O Port C3 |
| Pin 49 | RC4 — General purpose I/O Port C4 |
| Pin 50 | VDD — Digital power supply |
| Pin 51 | VSS — Digital ground |
| Pin 52 | RP40/RD0 — PPS RP40 / Port D0 |
| Pin 53 | RP41/RD1 — PPS RP41 / Port D1 |
| Pin 54 | RP42/RD2 — PPS RP42 / Port D2 |
| Pin 55 | RP43/RD3 — PPS RP43 / Port D3 |
| Pin 56 | RP44/RD4 — PPS RP44 / Port D4 |
| Pin 57 | RP45/RD5 — PPS RP45 / Port D5 |
| Pin 58 | RP46/RD6 — PPS RP46 / Port D6 |
| Pin 59 | RP47/RD7 — PPS RP47 / Port D7 |
| Pin 60 | VDD — Digital power supply |
| Pin 61 | VSS — Digital ground |
| Pin 62 | PGED3/RD8 — ICSP data 3 / Port D8 |
| Pin 63 | PGEC3/RD9 — ICSP clock 3 / Port D9 |
| Pin 64 | VSS — Digital ground |
Typical Applications
DSPIC33EP512GM306-H/PT is suitable for 6 applications: Precision Motor Control (FOC PMSM/BLDC), Digital Power Conversion (PFC, LLC, Solar Inverters), Industrial Condition Monitoring and Vibration Analysis, Audio and Speech Processing Systems, Automotive Auxiliary and Body Control Systems, Embedded Data Acquisition and Smart Sensing.
Precision Motor Control (FOC PMSM/BLDC)
The DSPIC33EP512GM306-H/PT is purpose-built for field-oriented control of permanent-magnet synchronous and BLDC motors. Its 70 MIPS core executes single-cycle multiply-accumulate instructions, keeping FOC current-loop updates within a single PWM period, while the 12 motor-control channels, 8/8 input-capture/output-compare resources, and 2 QEI modules handle rotor-position feedback from encoders or resolvers directly. The integrated op-amps condition shunt-resistor current feedback on-chip, reducing external component count and phase-lag. In a typical topology the DSC generates complementary PWM with dead-time for a three-phase inverter, samples phase currents at the PWM midpoint, and closes current, speed, and position loops in firmware at rates of 10-20 kHz per loop. The extended -H temperature grade supports drive electronics mounted in hot motor housings or industrial enclosures where standard industrial parts approach their limits.
Recommended
Digital Power Conversion (PFC, LLC, Solar Inverters)
In switch-mode power conversion, the DSPIC33EP512GM306-H/PT provides the computational throughput needed for average-current-mode PFC, phase-shifted full-bridge, and LLC resonant control. The 70 MIPS DSP core with hardware MAC executes compensator arithmetic and nonlinear limiters each switching cycle at 100-500 kHz PWM rates, and the high-resolution output-compare resources support fine duty-cycle and phase adjustment. The 512 KB Flash accommodates state machines, soft-start, fault handling, and communication stacks simultaneously. The integrated analog comparators provide cycle-by-cycle overcurrent protection with microsecond response, independent of firmware - a critical safety requirement in digital power designs. Extended temperature operation of the -H/ variant suits power stages in sealed outdoor renewable-energy enclosures such as solar micro-inverters and EV on-board charger auxiliary stages where ambient temperatures regularly exceed standard industrial ratings.
Recommended
Industrial Condition Monitoring and Vibration Analysis
The DSPIC33EP512GM306-H/PT serves as an edge signal-processing node for predictive-maintenance systems, sampling accelerometers or current transducers and computing FFT-based vibration spectra locally. The 16 KB RAM buffers time-domain windows while the 70 MIPS DSP engine with single-cycle MAC executes 256-1024 point FFTs in real time, flagging bearing-fault frequencies without uploading raw data. The 12-bit-capable analog inputs and integrated op-amps condition piezo sensor signals, and Peripheral Pin Select lets designers route SPI to any convenient pins for a wireless or Ethernet bridge module. The extended temperature grade allows mounting directly on motors, pumps, and gearboxes where enclosure ambient temperatures run high, eliminating long analog cable runs. Firmware for windowing, spectral analysis, and threshold alarming fits comfortably in the 512 KB Flash alongside the communication stack.
Recommended
Audio and Speech Processing Systems
The DSP core of the DSPIC33EP512GM306-H/PT makes it a cost-effective choice for embedded audio: echo cancellation, active noise control, tone generation, and speech compression in industrial intercoms and conferencing hardware. The 70 MIPS throughput sustains multiple concurrent filters - for example, a 128-tap adaptive FIR filter at 16 kHz sampling consumes roughly 2 MIPS, leaving ample headroom for codecs, protocol stacks, and control logic within the 70 MIPS envelope. The 512 KB Flash stores voice prompts, compression tables, and multi-language firmware. The 8 output-compare channels can generate auxiliary tones and PWM-based class-D modulations, and Peripheral Pin Select simplifies routing I2S/DCI audio-port connections on congested boards. The extended temperature rating benefits outdoor public-address and automotive-audio-adjacent equipment exposed to cabin or enclosure heat.
Recommended
Automotive Auxiliary and Body Control Systems
Distributor data marks the DSPIC33EP512GM306-H/PT with an automotive temperature grade, making it appropriate for non-safety auxiliary electronic modules: HVAC blower control, fuel-pump drivers, lighting ballasts, and window/seat motor controllers. The 12 motor-control channels directly drive brushed or BLDC actuators, the 2 QEI modules read position sensors for seat and headlamp aiming mechanisms, and the extended temperature rating covers under-hood-adjacent zones. The 512 KB Flash supports bootloaders enabling field firmware updates over LIN or CAN via the remappable SPI/UART pins, a common requirement in vehicle programs. The 70 MIPS core also runs sensor fusion for joysticks and position encoders. Designers should implement the standard automotive practices of redundant power supervision, watchdog usage, and diagnostic firmware layers on top of the dsPIC33E peripherals.
Recommended
Embedded Data Acquisition and Smart Sensing
For multi-channel measurement nodes - pressure, temperature, load-cell, and flow sensing - the DSPIC33EP512GM306-H/PT combines acquisition, filtering, and connectivity in one 64-pin device. The integrated op-amps and analog inputs condition bridge and single-ended sensors, while the 70 MIPS DSP core applies IIR/FIR filtering and offset calibration in real time. The 512 KB Flash stores calibration tables, self-test routines, and logging firmware, and the 16 KB RAM buffers burst-capture datasets between communication events. Peripheral Pin Select allows SPI to connect multiple external high-resolution ADCs and UARTs/SPI for RS-485, CAN, or radio modules without board respins. The extended temperature grade and gull-wing TQFP support conformally coated industrial sensor boards installed in outdoor and process-environment enclosures where derating matters.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512GM306-H/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512GM306-I/PT | DSPIC33EP512GM306-E/PT | DSPIC33EP512GM706-H/PT |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB |
| Temperature Grade | Extended / automotive (-H) | Industrial (-I) | Extended (-E) | Extended / automotive (-H) |
| Peripheral Family | GM3XX (12 MC, 8/8 IC/OC, 2 QEI, OpAmp) | GM3XX - identical | GM3XX - identical | GM7XX - different peripheral configuration |
Key Differentiators
- Extended temperature grade for hot environments (vs DSPIC33EP512GM306-I/PT)
- Full motor-control peripheral set on-chip (vs DSPIC33EP512GM706-H/PT)
- Drop-in family scalability within one footprint (vs DSPIC33EP512GM606-I/PT)
Design Notes
Connect every VDD/VSS pair on the 64-TQFP with a local 0.1 uF ceramic capacitor, place AVDD/AVSS on a quiet analog supply (ferrite bead or RC filter from the digital rail), and fit the VCAP/VDDCORE capacitor exactly per the family datasheet (Microchip document 70000689) - this internal core regulator capacitor is mandatory for stable operation and must be a low-ESR ceramic close to pin 33. Keep the crystal loop (OSC1/OSC2) compact with guard ground.
ICSP programming requires matched PGEDx/PGECx pairs: if PGEC2 is used for ICSPCLK, ICSPDAT must be PGED2 - do not mix pairs (documented in dsPIC33EP programming guidance). Also remember that MCLR is used as the high-voltage programming pin; place an isolation resistor (~10k) and avoid loading it with a push-button reset network that clamps the programming voltage. Peripheral Pin Select mappings must be configured before enabling the associated peripheral, or the pin assignment silently fails.
For motor-control use, route PWM outputs to the gate drivers away from analog sense lines and use the ADC 'sample at PWM midpoint' trigger so switching transients do not corrupt current feedback. Estimate: with typical gate-drive ringing edges of a few nanoseconds, keep the analog front-end trace runs under 5 cm and reference them to AVSS. Reserve board area for RC snubbers on phase nodes even if the first prototype does not populate them - inverter layouts rarely avoid the need.
Compliance Information
Verified data marks the part with 'Temperature Grade: AUTOMOTIVE' (Vyrian listing) but does not state formal AEC-Q100 qualification or RoHS/REACH status. Confirm on Microchip's official product page environmental data before compliance-critical production use.
