DSPIC33EP128GM604-H/ML - 70 MIPS DSC 128KB Flash QFN-44 | Microchip
Référence : DSPIC33EP128GM604-H/ML ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $6.9 | $6,90 |
| 10 | $6.21 | $62,10 |
| 100 | $5.52 | $552,00 |
| 500 | $4.97 | $2 485,00 |
| 1 000 | $4.41 | $4 410,00 |
DSPIC33EP128GM604-H/ML Présentation
A digital signal controller combines the compute throughput of a DSP with the peripheral integration and control-oriented architecture of a microcontroller. Within the embedded hierarchy, a DSC sits between general-purpose MCUs and dedicated DSPs: it executes DSP instructions (MAC, DSP multiply, barrel shifter) while retaining Harvard memory architecture, deterministic interrupts, and rich motor-control peripherals. The dsPIC33E family from Microchip is a widely adopted DSC platform for precision embedded control.
Key features include a 70 MIPS dsPIC DSC core, two independent ADC modules configurable as 10-bit 1.1 Msps with four sample-and-hold circuits or 12-bit 500 ksps, and up to four op amps/comparators with direct ADC connection. On-chip peripherals also include high-speed PWM, CAN, multiple UART/SPI/I2C ports, quadrature encoder interface inputs, and four DMA channels, enabling single-chip control of complex power and motion systems.
Architecturally, the dsPIC33EP core uses CMOS technology with a 16-bit modified Harvard pipeline, DSP multiply-accumulate hardware, and 8 hardware breakpoints for deterministic debugging. The dual-ADC design allows simultaneous sampling of motor phase currents and bus voltages without arbitration delays, a significant advantage in field-oriented motor control loops.
Typical applications include brushless DC and PMSM motor control, digital power conversion (PFC, LLC), automotive auxiliary systems (the -H temperature grade supports 125C ambient), and industrial sensing front-ends exploiting the integrated op amps and high-speed ADCs.
A key design consideration: the QFN-44 exposed-pad package requires a solid ground plane with thermal vias under the pad for both thermal dissipation and signal integrity at 70 MIPS switching speeds.
This page synthesizes distributor pricing context, drop-in family alternatives, pinout guidance, and practical design notes not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour DSPIC33EP128GM604-H/ML — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec DSPIC33EP128GM604-H/ML (même facteur de forme et même empreinte) — différant par Package, Core, Operating Temperature, Supply Voltage, RAM.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP128GM604-I/ML
✅ Remplacement direct✓ En stock
$5.95 / unité
Voir la fiche technique →DSPIC33EP128GM604-E/ML
✅ Remplacement direct✓ En stock
$4.11 / unité
Voir la fiche technique →DSPIC33EP64GM604-H/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP64GM604-I/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP128MC604-H/ML
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33EP128GM604-H/ML Valeurs maximales et caractéristiques électriques
| Core | dsPIC33E 16-bit DSC |
| Max CPU Speed | 70 MIPS |
| Program Memory (FLASH) | 128KB (43K x 24) |
| RAM | 16KB |
| Tension d'alimentation | 3.0 V to 3.6 V (3.3 V nominal) |
| Température de fonctionnement | -40C to +125C (H grade) |
| Boîtier | 44-QFN (8x8 mm), exposed pad |
| Type de montage | Surface Mount |
| ADC Resolution | 10-bit / 12-bit (dual modules) |
| ADC Speed | 1.1 Msps (10-bit) / 500 ksps (12-bit) |
| Op Amps / Comparators | Up to 4 |
| PWM | High-speed motor control PWM |
| DMA Channels | 4 |
| CAN | Yes (2.0B) |
| Communication Interfaces | UART, SPI, I2C, CAN |
| Quadrature Encoder Interface | QEI supported |
| Debug Breakpoints | 8 hardware breakpoints |
| Technology | CMOS |
Configuration des broches de DSPIC33EP128GM604-H/ML
| Broche 1 | MCLR# — Master clear reset input (active low), programming voltage pin |
| Broche 2 | AN0/VREF+/RA0 — Analog input 0 / ADC positive reference |
| Broche 3 | AN1/VREF-/RA1 — Analog input 1 / ADC negative reference |
| Broche 4 | AN2/C2IN-/RA2 — Analog input 2 / comparator 2 inverting input |
| Broche 5 | AN3/C2IN+/RA3 — Analog input 3 / comparator 2 non-inverting input |
| Broche 6 | VSS — Ground reference |
| Broche 7 | VDD — Power supply (3.0V-3.6V) |
| Broche 8 | AN4/RB2 — Analog input 4 / remappable digital I/O |
| Broche 9 | AN5/RB3 — Analog input 5 / remappable digital I/O |
| Broche 10 | PGD3/RB4 — Debug data channel 3 / remappable digital I/O |
| Broche 11 | PGC3/RB5 — Debug clock channel 3 / remappable digital I/O |
| Broche 12 | AN6/RB6 — Analog input 6 / remappable digital I/O |
| Broche 13 | AN7/RB7 — Analog input 7 / remappable digital I/O |
| Broche 14 | VSS — Ground reference |
| Broche 15 | VDD — Power supply (3.0V-3.6V) |
| Broche 16 | AN8/RB8 — Analog input 8 / remappable digital I/O |
| Broche 17 | AN9/RB9 — Analog input 9 / remappable digital I/O |
| Broche 18 | TCK/RB10 — JTAG test clock / remappable digital I/O |
| Broche 19 | TDI/RB11 — JTAG test data in / remappable digital I/O |
| Broche 20 | TDO/RB12 — JTAG test data out / remappable digital I/O |
| Broche 21 | TMS/RB13 — JTAG test mode select / remappable digital I/O |
| Broche 22 | AN10/RB14 — Analog input 10 / remappable digital I/O |
| Broche 23 | AN11/RB15 — Analog input 11 / remappable digital I/O |
| Broche 24 | PGD1/RG0 — Primary debug data / remappable digital I/O |
| Broche 25 | PGC1/RG1 — Primary debug clock / remappable digital I/O |
| Broche 26 | AN12/RG2 — Analog input 12 / remappable digital I/O |
| Broche 27 | AN13/RG3 — Analog input 13 / remappable digital I/O |
| Broche 28 | OSC1/CLKI/RG4 — Oscillator input / external clock in |
| Broche 29 | RC13 — Remappable digital I/O |
| Broche 30 | RC14 — Remappable digital I/O / secondary oscillator |
| Broche 31 | OSC2/CLKO/RC15 — Oscillator output / clock out |
| Broche 32 | VDD — Power supply (3.0V-3.6V) |
| Broche 33 | VSS — Ground reference |
| Broche 34 | RF2 — Remappable digital I/O |
| Broche 35 | RF3 — Remappable digital I/O |
| Broche 36 | RF4 — Remappable digital I/O |
| Broche 37 | RF5 — Remappable digital I/O |
| Broche 38 | RF6 — Remappable digital I/O |
| Broche 39 | RF7 — Remappable digital I/O |
| Broche 40 | RF8 — Remappable digital I/O |
| Broche 41 | AN14/RF13 — Analog input 14 / remappable digital I/O |
| Broche 42 | VDD — Power supply (3.0V-3.6V) |
| Broche 43 | VSS — Ground reference |
| Broche 44 | EP/VSS — Exposed pad - must be soldered to VSS ground plane |
Applications typiques
DSPIC33EP128GM604-H/ML convient pour 6 applications: BLDC/PMSM Motor Control, Digital Power Conversion, Automotive Auxiliary Control, Industrial Sensing Front-Ends, Embedded Networking Gateways, Test & Measurement Instruments.
BLDC/PMSM Motor Control
The DSPIC33EP128GM604-H/ML fits sensorless and sensored motor control because its dual ADC modules sample motor phase currents at up to 1.1 Msps (10-bit) while the high-speed PWM generates complementary outputs with programmable dead-band for the inverter bridge. In a field-oriented control (FOC) loop, the integrated op amps amplify shunt-current signals directly into the ADC, eliminating external amplifier ICs and reducing analog error sources. Typical topology: the DSC reads rotor position from a quadrature encoder via the QEI peripheral or estimates it in firmware, executes Clarke/Park transforms using the DSP MAC unit at 70 MIPS, and updates PWM duty each cycle. The -H grade tolerates 125C ambient near hot motor enclosures.
Recommandé
Digital Power Conversion
For PFC, LLC, and buck converter applications, the DSPIC33EP128GM604-H/ML provides deterministic PWM update rates and fast analog feedback: the dual 12-bit 500 ksps ADCs digitize output voltage and current, and the DSP core executes compensator equations with single-cycle MAC operations. High-speed PWM features such as current-limit instant shutdown protect the power stage within one PWM cycle. The -H temperature grade suits power supplies in sealed industrial enclosures reaching 125C. Because compensation, housekeeping, and communication (CAN or UART to a host) share one 70 MIPS core, a single DSC can replace a dedicated controller plus supervisor MCU, cutting BOM cost and board area in AC-DC and DC-DC stages.
Recommandé
Automotive Auxiliary Control
With a -40C to +125C operating range, the DSPIC33EP128GM604-H/ML addresses automotive auxiliary loads such as pumps, fans, actuators, and valve control. The on-chip CAN 2.0B module connects directly to vehicle networks, while high-speed PWM and QEI handle brushed/BLDC actuator control and position feedback. Microchip markets the dsPIC33E family for automotive applications requiring high reliability; the related -E/ML variant adds extended screening for harsher qualification requirements. In a typical electronic water pump, the DSC runs sensorless FOC on phase currents sampled by its dual ADCs, reports speed and diagnostics over CAN, and asserts safe states via PWM shutdown on fault - all within one 44-QFN package.
Recommandé
Industrial Sensing Front-Ends
The up to four integrated op amps with direct ADC connection make the GM604 suitable for analog sensor conditioning: thermistor bridges, pressure-transducer amplification, and current sensing can be amplified on-chip and converted by the 12-bit 500 ksps ADCs without external op-amp ICs. Programmable references with 32 voltage points and programmable blanking (per the DS70000689 datasheet) improve measurement integrity in switching environments. The 70 MIPS DSP headroom runs FFT-based vibration analysis or digital filtering, while UART/SPI/I2C push processed results to a SCADA host or the CAN bus. The 44-QFN exposed pad gives a low-impedance ground for sensitive analog circuitry on mixed-signal sensor boards.
Recommandé
Embedded Networking Gateways
The combination of CAN 2.0B, multiple UARTs, SPI, and I2C ports makes the DSPIC33EP128GM604-H/ML an effective protocol-conversion gateway in factory equipment: it bridges legacy RS-485/UART devices onto a CAN backbone while performing local filtering and data formatting in the 128KB FLASH program space. Four DMA channels offload peripheral-to-RAM transfers so the 70 MIPS core stays available for protocol stacks. The 16KB RAM buffers message queues robustly, and deterministic interrupt latency preserves time-critical CAN timing. In building-automation and machine-to-machine retrofits, one DSC can simultaneously run a CAN stack, a Modbus slave, and local control logic without an external network coprocessor.
Recommandé
Test & Measurement Instruments
Handheld meters, data loggers, and bench accessory instruments benefit from the DSPIC33EP128GM604-H/ML's fast, dual-sample ADCs and DSP math: a 1.1 Msps acquisition stream can be RMS-converted, averaged, or FFT-analyzed on-chip for display on a segment or character LCD driven by spare I/O. The 8 hardware breakpoints and MPLAB X toolchain shorten firmware bring-up, and the -H grade supports instruments used near hot equipment. The QFN-44 8x8 mm footprint fits slim handheld enclosures, while the 3.0V-3.6V supply and low-power sleep modes extend battery runtime between charges. One controller handles acquisition, math, display, and USB/UART communication to a PC.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP128GM604-H/ML — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP128GM604-I/ML | DSPIC33EP128GM604-E/ML | DSPIC33EP64GM604-H/ML | DSPIC33EP128MC604-H/ML |
|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| FLASH Memory | 128KB (43K x 24) | 128KB | 128KB | 64KB (-50%) | 128KB |
| Operating Temperature | -40C to +125C (H grade) | -40C to +85C | -40C to +125C (extended) | -40C to +125C | -40C to +125C |
| Integrated Op Amps | Up to 4 (GM series) | Up to 4 | Up to 4 | Up to 4 | None (MC series lacks op amps) |
| Dual ADC (1.1 Msps) | Yes | Yes | Yes | Yes | Yes |
| Best For | Hot environments (125C) with full 128KB program space | Standard industrial (85C) cost saving | Automotive / extended screening | Cost-saving when code fits 64KB | Designs with external analog front-end |
Principaux différenciateurs
- Full 128KB program space in the 125C grade (vs DSPIC33EP64GM604-H/ML)
- Integrated op amps reduce external analog BOM (vs DSPIC33EP128MC604-H/ML)
- Extended temperature tolerance over the standard industrial grade (vs DSPIC33EP128GM604-I/ML)
Notes de conception
The 44-QFN exposed pad (pin 44 / EP) is a primary VSS connection and must be soldered to the ground plane. Use an array of at least 3x3 thermal vias (0.3 mm drill, filled or tented) under the pad to tie it to internal ground planes - this is both an electrical and thermal requirement. Insufficient EP soldering is the most common cause of intermittent resets and ADC noise issues on QFN-packaged dsPIC33EP designs.
Decouple each VDD pin with 100 nF X7R ceramic capacitors placed within 2 mm of the pin, plus one bulk 4.7-10 uF capacitor near the device. Because the dual ADC modules switch large sampling capacitors at up to 1.1 Msps, supply noise directly corrupts conversions - separate the analog supply path with an RC filter (e.g., 10 ohm + 1 uF) feeding AN0-AN14 reference territory if 12-bit accuracy is required. Estimated: with VDD=3.3V, keep supply ripple below a few mV to preserve 12-bit effective resolution.
At 70 MIPS with high-speed PWM edges driving an inverter bridge, keep gate-driver return paths short and route PWM outputs away from the ADC input traces feeding phase-current shunt signals. Use the dsPIC33EP Peripheral Pin Select (PPS) to assign digital functions so that fast-switching PWM pins and sensitive analog inputs land on opposite sides of the 8x8 mm package. The datasheet notes programmable PWM blanking, which can mask switching transients in comparator-based overcurrent protection.
Configure configuration words (FICD, FOSC, FWDT) before first power-up: an incorrect oscillator setting can leave the device on the internal FRC instead of the intended crystal PLL, silently halving performance below 70 MIPS. Also remember that analog-capable pins default to analog mode at reset - digital inputs on AN0-AN14 read as 0 until the ANSEL-equivalent registers clear. Budget MCLR programming access (pin 1) on your PCB even for production units to preserve field firmware updates.
Informations de conformité
Compliance status per suffix must be confirmed from the official Microchip product page or distributor compliance documents; the provided web data does not state RoHS/REACH status explicitly.