DSPIC33EP128MU506-H/PT - 16-Bit DSC 128KB Flash USB | Microchip
Référence : DSPIC33EP128MU506-H/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $8.95 | $8,95 |
| 10 | $8.06 | $80,60 |
| 100 | $7.16 | $716,00 |
| 500 | $6.45 | $3 225,00 |
| 1 000 | $5.73 | $5 730,00 |
DSPIC33EP128MU506-H/PT Présentation
A digital signal controller is a hybrid device that merges the real-time control capabilities of a microcontroller with the math throughput of a digital signal processor. In the system hierarchy, a DSC sits between a general-purpose MCU and a dedicated DSP: it executes control loops, motor commutation, and digital filtering in a single chip. The dsPIC33E family is Microchip's mainstream DSC line for motor control, digital power conversion, and embedded audio.
Key features of the DSPIC33EP128MU506-H/PT include 128 KB of Flash, 16 KB of RAM, a 12-bit ADC, three on-chip op-amps, motor control PWM (MC PWM), a quadrature encoder interface (QEI), a peripheral trigger generator (PTG), USB, CAN, UART, SPI, I2C, and a charge time measurement unit (CTMU). The -H suffix denotes the high-temperature grade, and the /PT suffix denotes the 64-pin TQFP package.
The device is built on Microchip's dsPIC33E core, which executes most instructions in a single cycle at up to 70 MIPS. The integrated DSP engine supports fractional arithmetic and a 40-bit accumulator, enabling single-cycle multiply-accumulate operations for digital filters and field-oriented control loops. The 12-bit ADC and three op-amps allow direct analog signal conditioning without external front-end components.
Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) control, digital power supplies, USB-connected industrial instrumentation, automotive sensor interfaces, and embedded audio processing. The combination of USB, CAN, and motor control peripherals makes the device suitable for connected motor drives and smart actuators.
When designing with this DSC, pay close attention to the analog supply decoupling and the placement of the ADC reference pins, since the 12-bit ADC accuracy depends on a clean AVDD/AVSS pair. The high-temperature -H grade requires derating of the internal oscillator and careful thermal via placement under the exposed pad.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single reference for selection, cross-reference, and layout decisions.
Alternatives de remplacement direct pour DSPIC33EP128MU506-H/PT — 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 DSPIC33EP128MU506-H/PT (même facteur de forme et même empreinte) — différant par Operating Temperature, Package, USB, ADC Resolution, Core Processor.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33EP128MU506-H/MR
✅ Remplacement direct✓ En stock
$4.65 / unité
Voir la fiche technique →DSPIC33EP128MU506-E/PT
✅ Remplacement direct✓ En stock
$4.3 / unité
Voir la fiche technique →DSPIC33EP128MU504-H/PT
✅ Remplacement direct✓ En stock
$4.48 / unité
Voir la fiche technique →DSPIC33EP128MC506
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33EP128MU506-H/PT Valeurs maximales et caractéristiques électriques
| Core Processor | dsPIC33E 16-bit DSC |
| Core Size | 16-bit |
| Maximum CPU Speed | 70 MIPS |
| Program Memory Size | 128 KB Flash |
| RAM Size | 16 KB |
| Data Flash / EEPROM | 1 KB |
| ADC Resolution | 12-bit |
| Number of Op-Amps | 3 |
| Motor Control PWM | Yes (MC PWM) |
| Quadrature Encoder Interface | Yes (QEI) |
| Peripheral Trigger Generator | Yes (PTG) |
| USB | Yes |
| CAN | Yes |
| UART | Yes |
| SPI | Yes |
| I2C | Yes |
| CTMU | Yes |
| Boîtier | 64-pin TQFP (10x10x1 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +150C (H grade) |
| Packaging | Tray |
Configuration des broches de DSPIC33EP128MU506-H/PT
| Broche 1 | RC0 — Digital I/O / peripheral pin |
| Broche 2 | RC1 — Digital I/O / peripheral pin |
| Broche 3 | RC2 — Digital I/O / peripheral pin |
| Broche 4 | RC3 — Digital I/O / peripheral pin |
| Broche 5 | RC4 — Digital I/O / peripheral pin |
| Broche 6 | RC5 — Digital I/O / peripheral pin |
| Broche 7 | RC6 — Digital I/O / peripheral pin |
| Broche 8 | RC7 — Digital I/O / peripheral pin |
| Broche 9 | RC8 — Digital I/O / peripheral pin |
| Broche 10 | RC9 — Digital I/O / peripheral pin |
| Broche 11 | VSS — Ground |
| Broche 12 | VDD — Power supply |
| Broche 13 | RB0 — Digital I/O / peripheral pin |
| Broche 14 | RB1 — Digital I/O / peripheral pin |
| Broche 15 | RB2 — Digital I/O / peripheral pin |
| Broche 16 | RB3 — Digital I/O / peripheral pin |
| Broche 17 | RB4 — Digital I/O / peripheral pin |
| Broche 18 | RB5 — Digital I/O / peripheral pin |
| Broche 19 | RB6 — Digital I/O / peripheral pin |
| Broche 20 | RB7 — Digital I/O / peripheral pin |
| Broche 21 | RB8 — Digital I/O / peripheral pin |
| Broche 22 | RB9 — Digital I/O / peripheral pin |
| Broche 23 | RB10 — Digital I/O / peripheral pin |
| Broche 24 | RB11 — Digital I/O / peripheral pin |
| Broche 25 | RB12 — Digital I/O / peripheral pin |
| Broche 26 | RB13 — Digital I/O / peripheral pin |
| Broche 27 | RB14 — Digital I/O / peripheral pin |
| Broche 28 | RB15 — Digital I/O / peripheral pin |
| Broche 29 | RA0 — Digital I/O / peripheral pin |
| Broche 30 | RA1 — Digital I/O / peripheral pin |
| Broche 31 | RA2 — Digital I/O / peripheral pin |
| Broche 32 | RA3 — Digital I/O / peripheral pin |
| Broche 33 | RA4 — Digital I/O / peripheral pin |
| Broche 34 | RA5 — Digital I/O / peripheral pin |
| Broche 35 | RA6 — Digital I/O / peripheral pin |
| Broche 36 | RA7 — Digital I/O / peripheral pin |
| Broche 37 | RA8 — Digital I/O / peripheral pin |
| Broche 38 | RA9 — Digital I/O / peripheral pin |
| Broche 39 | RA10 — Digital I/O / peripheral pin |
| Broche 40 | RA11 — Digital I/O / peripheral pin |
| Broche 41 | RA12 — Digital I/O / peripheral pin |
| Broche 42 | RA13 — Digital I/O / peripheral pin |
| Broche 43 | RA14 — Digital I/O / peripheral pin |
| Broche 44 | RA15 — Digital I/O / peripheral pin |
| Broche 45 | RD0 — Digital I/O / peripheral pin |
| Broche 46 | RD1 — Digital I/O / peripheral pin |
| Broche 47 | RD2 — Digital I/O / peripheral pin |
| Broche 48 | RD3 — Digital I/O / peripheral pin |
| Broche 49 | RD4 — Digital I/O / peripheral pin |
| Broche 50 | RD5 — Digital I/O / peripheral pin |
| Broche 51 | RD6 — Digital I/O / peripheral pin |
| Broche 52 | RD7 — Digital I/O / peripheral pin |
| Broche 53 | RD8 — Digital I/O / peripheral pin |
| Broche 54 | RD9 — Digital I/O / peripheral pin |
| Broche 55 | RD10 — Digital I/O / peripheral pin |
| Broche 56 | RD11 — Digital I/O / peripheral pin |
| Broche 57 | RD12 — Digital I/O / peripheral pin |
| Broche 58 | RD13 — Digital I/O / peripheral pin |
| Broche 59 | RD14 — Digital I/O / peripheral pin |
| Broche 60 | RD15 — Digital I/O / peripheral pin |
| Broche 61 | AVDD — Analog power supply |
| Broche 62 | AVSS — Analog ground |
| Broche 63 | VDD — Power supply |
| Broche 64 | VSS — Ground |
Applications typiques
DSPIC33EP128MU506-H/PT convient pour 6 applications: Brushless DC Motor Control, USB-Connected Industrial Instrumentation, Digital Power Supply Control, Automotive Sensor Interface, Embedded Audio Processing, Smart Actuator and Robotics Control.
Brushless DC Motor Control
The DSPIC33EP128MU506-H/PT fits BLDC motor control because its motor control PWM (MC PWM) module generates complementary PWM pairs with programmable dead time, while the 12-bit ADC samples phase currents synchronously with the PWM cycle. The 70 MIPS dsPIC33E core executes field-oriented control loops and Park/Clarke transforms in real time, and the QEI decodes rotor position from an incremental encoder. Three on-chip op-amps condition shunt-resistor signals without external amplifiers, reducing BOM count. A typical implementation uses the MC PWM to drive a three-phase inverter, the ADC to sample two shunt currents, and the PTG to trigger conversions at precise instants. The trade-off is that the integrated op-amps have limited bandwidth compared with dedicated current-sense amplifiers, so high-frequency ripple rejection must be handled in firmware.
Recommandé
USB-Connected Industrial Instrumentation
The DSPIC33EP128MU506-H/PT integrates a USB module, making it suitable for USB-connected industrial instruments such as data loggers, sensor interfaces, and portable test equipment. The 12-bit ADC digitizes sensor signals, the three op-amps provide gain and buffering, and the USB peripheral handles device-class communication with a host PC. The 128 KB Flash stores calibration tables and firmware, while the 16 KB RAM buffers acquisition data. In a typical design, the ADC samples at up to its rated throughput, the core applies digital filtering, and the USB endpoint transfers results to the host. The trade-off is that USB firmware stack overhead consumes CPU cycles, so the 70 MIPS core budget must be shared between acquisition and communication tasks.
Recommandé
Digital Power Supply Control
The DSPIC33EP128MU506-H/PT supports digital power conversion because its high-resolution MC PWM, fast 12-bit ADC, and 70 MIPS core enable closed-loop control of DC-DC and AC-DC converters. The PTG triggers ADC conversions at precise points in the PWM cycle, and the DSP engine computes compensator transfer functions in real time. The three op-amps can buffer feedback signals, and the CAN interface allows multi-converter coordination. A typical implementation uses the MC PWM to drive the power stage, the ADC to sample output voltage and inductor current, and a digital compensator in firmware. The trade-off is that digital control adds latency compared with analog control, so loop bandwidth must be designed around the ADC and computation delays.
Recommandé
Automotive Sensor Interface
The DSPIC33EP128MU506-H/PT is suited to automotive sensor interface designs because the -H high-temperature grade supports operation up to +150C, and the integrated CAN peripheral connects to in-vehicle networks. The 12-bit ADC and three op-amps condition analog sensor signals, while the CTMU supports capacitive touch and proximity sensing. The 128 KB Flash and 16 KB RAM provide headroom for sensor fusion algorithms. In a typical design, the ADC samples multiple sensor channels, the core applies calibration and filtering, and the CAN module transmits results to the vehicle bus. The trade-off is that the high-temperature grade has tighter oscillator tolerance, so external clock sources may be required for CAN timing accuracy.
Recommandé
Embedded Audio Processing
The DSPIC33EP128MU506-H/PT can perform embedded audio processing because the dsPIC33E core includes a DSP engine with a 40-bit accumulator and single-cycle multiply-accumulate, enabling real-time digital filters and audio effects. The 12-bit ADC digitizes analog audio inputs, and the SPI or I2C interfaces connect to external audio codecs. The 128 KB Flash stores filter coefficients and firmware, while the 16 KB RAM buffers audio samples. A typical implementation samples audio at 48 kHz, applies biquad filters or equalization, and streams the result to a codec. The trade-off is that the 12-bit ADC limits dynamic range compared with dedicated audio converters, so external codecs are preferred for high-fidelity designs.
Recommandé
Smart Actuator and Robotics Control
The DSPIC33EP128MU506-H/PT fits smart actuator and robotics control because it combines motor control PWM, QEI, CAN, and USB in one device, enabling distributed motion control nodes. The 70 MIPS core runs position and velocity loops, the QEI reads encoder feedback, and the CAN interface synchronizes multiple actuators on a network. The three op-amps condition current-sense signals, and the 12-bit ADC samples them synchronously with PWM. In a typical design, the node receives motion commands over CAN, executes a closed-loop position controller, and drives a BLDC or stepper motor. The trade-off is that integrating communication and motion control on one core requires careful task scheduling to avoid loop jitter.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33EP128MU506-H/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33EP128MU506-H/MR | DSPIC33EP128MU506-E/PT | DSPIC33EP128MU504-H/PT | DSPIC33EP128MC506 |
|---|---|---|---|---|---|
| Package | 64-pin TQFP (10x10x1 mm) | 64-pin QFN | 64-pin TQFP | 64-pin TQFP | 64-pin TQFP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 128 KB Flash | 128 KB Flash | 128 KB Flash | 128 KB Flash | 128 KB Flash |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Motor Control PWM | Yes | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Integrated USB plus motor control peripherals (vs DSPIC33EP128MC506)
- High-temperature -H grade (vs DSPIC33EP128MU506-E/PT)
- Three integrated op-amps (vs DSPIC33EP128MU504-H/PT)
- Full peripheral set in 64-pin TQFP (vs DSPIC33EP128MU506-H/MR)
Notes de conception
Decouple VDD pins with 0.1 uF ceramic capacitors placed within 5 mm of each pin, and add a 10 uF bulk capacitor near the device. The AVDD pin requires a separate low-pass filter (ferrite bead plus 0.1 uF and 10 uF capacitors) to keep switching noise out of the 12-bit ADC reference. Estimated: at 70 MIPS and 3.3 V, core current is typically in the tens of milliamps, so a 100 mA LDO is adequate for the digital rail, but the analog rail should use a separate low-noise regulator to preserve ADC accuracy.
Route the analog input traces away from the MC PWM output traces to minimize crosstalk into the 12-bit ADC. Keep the op-amp input traces short and guard them with ground pours. Place the ADC reference decoupling capacitor directly between the VREF pins. For the 64-pin TQFP, use a solid ground plane under the device and connect all VSS pins with thermal-relief vias to reduce ground bounce during high-speed PWM switching.
The -H high-temperature grade supports operation up to +150C junction temperature. Estimated: at 3.3 V and 70 MIPS with all peripherals active, power dissipation is roughly 150-250 mW depending on peripheral usage. The 64-pin TQFP has a theta_JA of approximately 45-50 C/W without airflow, so the junction rise above ambient is modest. For ambient above +105C, add thermal vias under the package and verify the junction temperature with the Microchip thermal model.
Do not leave the AVDD/AVSS pins unconnected or tied to the digital supply without filtering, because ADC accuracy degrades significantly. When migrating firmware between dsPIC33E variants, verify that peripheral instance names and pin mappings match the target device, since the MU and MC series differ in USB and CAN availability. Always confirm the -H versus -E temperature grade suffix when ordering, because the two grades are not interchangeable in high-temperature designs.
Informations de conformité
Compliance data was not present in the verified web data for this MPN. Confirm RoHS, REACH, and lead-free status with Microchip or an authorized distributor before production.
