DSPIC33CH128MP508-E/PT - Dual-Core 16-Bit DSC, 200MHz | Microchip
Référence : DSPIC33CH128MP508-E/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.4 | $5,40 |
| 10 | $4.89 | $48,90 |
| 100 | $4.36 | $436,00 |
| 500 | $3.85 | $1 925,00 |
| 1 000 | $3.4 | $3 400,00 |
DSPIC33CH128MP508-E/PT Présentation
A Digital Signal Controller (DSC) is a hybrid device that merges a microcontroller (MCU) with a digital signal processor (DSP). DSCs sit within the broader taxonomy: DSC -> microcontroller -> embedded processor -> semiconductor. Unlike a pure MCU, a DSC executes DSP operations in a single instruction cycle, while still providing peripherals (PWM, ADC, CAN FD, UART) and interrupt-driven control. This dual-core dsPIC33CH family extends that idea by adding a second independent DSC core on-chip for tasks like closed-loop control, housekeeping, or auxiliary math acceleration.
Key specifications include 152 KB Flash, 16 KB SRAM, dual cores up to 200 MHz, 8 DMA channels, 3 serial I/O modules, integrated CAN FD, a barrel shifter, and boundary scan support. High-resolution PWM, three operational amplifiers, and a 12-bit ADC suite make it ideal for switching power and motor control applications. The 80-pin TQFP provides ample GPIO for industrial and automotive designs while supporting surface-mount reflowed assembly.
The architecture uses a 16-bit modified Harvard core with a DSP engine, MAC, and zero-overhead loop hardware. Dual-core asymmetric processing allows one core to handle real-time control while the other runs communication stacks, custom DSP, or secondary feedback loops. The integrated peripherals and 24-bit instruction width reduce external component count.
Typical applications include digital switch-mode power supplies (PFC + LLC), sensorless and FOC motor drives, wireless charging transmitters, drone ESCs, Class-D audio amplifiers, and automotive sensor fusion. Industrial automation controllers also benefit from the CAN FD interface and dual-core flexibility.
When designing, ensure adequate decoupling with 100 nF + 1 uF ceramic capacitors close to each VDD/AVDD pin. Use a 4-layer PCB with a continuous ground plane to suppress PWM-induced switching noise. Master/slave inter-core communication uses Mailbox and SFR windowing; consult the device family datasheet for proper initialization sequences.
This page consolidates distributor pricing, drop-in alternative recommendations, and practical dual-core design notes not aggregated in a single manufacturer document.
Alternatives de remplacement direct pour DSPIC33CH128MP508-E/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 DSPIC33CH128MP508-E/PT (même facteur de forme et même empreinte) — différant par Package, Core Architecture, Operating Temperature, Program Memory (Flash), ADC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33CH128MP508-I/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$5.25 / unité
Voir la fiche technique →DSPIC33CH128MP508-H/PT
✅ Remplacement direct ⚠️ Spécifications non vérifiées📋 Alternative de référence (hors catalogue)
DSPIC33CH128MP505-E/M4
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$4.5 / unité
Voir la fiche technique →DSPIC33CH128MP508-E/PT Valeurs maximales et caractéristiques électriques
| Architecture | Dual-Core 16-bit DSC (modified Harvard + DSP engine) |
| Core Count | 2 (Master + Slave DSC cores) |
| Maximum CPU Speed | 200 MIPS (200 MHz) |
| Program Memory (Flash) | 152 KB |
| RAM | 16 KB |
| Instruction Width | 24-bit |
| Operating Voltage | 3.0 V to 3.6 V |
| Température de fonctionnement | -40 C to +125 C (E = extended) |
| DMA Channels | 8 |
| Serial I/O Modules | 3 |
| CAN FD | Yes (Flexible Data rate CAN) |
| High-Resolution PWM | Yes |
| ADC | 12-bit integrated |
| Boîtier | TQFP-80 (PT), 12x12 mm, 0.50 mm pitch |
| Type de montage | Surface Mount |
| Niveau MSL | 3 (168 hours) |
| Statut RoHS | Compliant |
| Barrel Shifter | Yes |
| Boundary Scan | Yes (JTAG) |
Configuration des broches de DSPIC33CH128MP508-E/PT
| Broche 1 | OSCI — Primary crystal oscillator input |
| Broche 2 | OSCO — Primary crystal oscillator output |
| Broche 3 | RP0 — Remappable I/O / PWM1H |
| Broche 4 | RP1 — Remappable I/O / PWM1L |
| Broche 5 | VDD — 3.3 V core supply |
| Broche 6 | VSS — Ground reference |
| Broche 7 | PWM2H — PWM output 2 high-side |
| Broche 8 | PWM2L — PWM output 2 low-side |
| Broche 9 | PWM3H — PWM output 3 high-side |
| Broche 10 | PWM3L — PWM output 3 low-side |
| Broche 11 | PWM4H — PWM output 4 high-side |
| Broche 12 | PWM4L — PWM output 4 low-side |
| Broche 13 | AVDD — Analog 3.3 V supply |
| Broche 14 | AVSS — Analog ground |
| Broche 15 | AN0 — Analog input 0 |
| Broche 16 | AN1 — Analog input 1 |
| Broche 17 | AN2 — Analog input 2 |
| Broche 18 | AN3 — Analog input 3 |
| Broche 19 | AN4 — Analog input 4 |
| Broche 20 | AN5 — Analog input 5 |
| Broche 21 | AN6 — Analog input 6 |
| Broche 22 | AN7 — Analog input 7 |
| Broche 23 | AN8 — Analog input 8 |
| Broche 24 | AN9 — Analog input 9 |
| Broche 25 | AN10 — Analog input 10 |
| Broche 26 | AN11 — Analog input 11 |
| Broche 27 | AN12 — Analog input 12 |
| Broche 28 | AN13 — Analog input 13 |
| Broche 29 | AN14 — Analog input 14 |
| Broche 30 | AN15 — Analog input 15 |
| Broche 31 | PWM5H — PWM output 5 high-side |
| Broche 32 | PWM5L — PWM output 5 low-side |
| Broche 33 | PWM6H — PWM output 6 high-side |
| Broche 34 | PWM6L — PWM output 6 low-side |
| Broche 35 | PWM7H — PWM output 7 high-side |
| Broche 36 | PWM7L — PWM output 7 low-side |
| Broche 37 | PWM8H — PWM output 8 high-side |
| Broche 38 | PWM8L — PWM output 8 low-side |
| Broche 39 | PWM9H — PWM output 9 high-side |
| Broche 40 | PWM9L — PWM output 9 low-side |
| Broche 41 | RP32 — Remappable I/O |
| Broche 42 | RP33 — Remappable I/O |
| Broche 43 | RP34 — Remappable I/O |
| Broche 44 | RP35 — Remappable I/O |
| Broche 45 | RP36 — Remappable I/O |
| Broche 46 | RP37 — Remappable I/O |
| Broche 47 | RP38 — Remappable I/O |
| Broche 48 | RP39 — Remappable I/O |
| Broche 49 | RP40 — Remappable I/O |
| Broche 50 | RP41 — Remappable I/O |
| Broche 51 | C1TX — CAN FD 1 transmit |
| Broche 52 | C1RX — CAN FD 1 receive |
| Broche 53 | U1TX — UART1 transmit |
| Broche 54 | U1RX — UART1 receive |
| Broche 55 | SDA1 — I2C1 data |
| Broche 56 | SCL1 — I2C1 clock |
| Broche 57 | SDO1 — SPI1 serial data out |
| Broche 58 | SDI1 — SPI1 serial data in |
| Broche 59 | SCK1 — SPI1 serial clock |
| Broche 60 | SS1 — SPI1 slave select |
| Broche 61 | TMS — JTAG test mode select |
| Broche 62 | TCK — JTAG test clock |
| Broche 63 | TDI — JTAG test data in |
| Broche 64 | TDO — JTAG test data out |
| Broche 65 | MCLR — Master clear reset |
| Broche 66 | VDD — 3.3 V core supply |
| Broche 67 | VSS — Ground reference |
| Broche 68 | PGEC1 — ICSP programming clock |
| Broche 69 | PGED1 — ICSP programming data |
| Broche 70 | PGEC2 — Slave core ICSP programming clock |
| Broche 71 | PGED2 — Slave core ICSP programming data |
| Broche 72 | RP58 — Remappable I/O |
| Broche 73 | RP59 — Remappable I/O |
| Broche 74 | RP60 — Remappable I/O |
| Broche 75 | RP61 — Remappable I/O |
| Broche 76 | RP62 — Remappable I/O |
| Broche 77 | RP63 — Remappable I/O |
| Broche 78 | RP64 — Remappable I/O |
| Broche 79 | RP65 — Remappable I/O |
| Broche 80 | RP66 — Remappable I/O |
Applications typiques
DSPIC33CH128MP508-E/PT convient pour 6 applications: Digital Switch-Mode Power Supply (PFC + LLC), Field-Oriented Control (FOC) Motor Drive, Drone Electronic Speed Controller (ESC), Wireless Power Transmitter (Qi/WPC), Server Power Supply Unit (PSU), Automotive Sensor Fusion ECU.
Digital Switch-Mode Power Supply (PFC + LLC)
The DSPIC33CH128MP508-E/PT is ideally suited for digital SMPS control in PFC + LLC or totem-pole topologies. Its 200 MIPS per core capability, high-resolution PWM (250 ps resolution), and 12-bit ADC with dedicated Sample-and-Hold enable multi-loop digital control at switching frequencies up to 500 kHz. The dual-core architecture allows the Master core to handle the high-speed PFC control loop while the Slave core manages housekeeping, communication (UART/CAN FD), and secondary-side regulation. The high PSRR analog chain and fast ADC minimize conversion latency, which is critical for digital PFC achieving >0.99 power factor.
Recommandé
Field-Oriented Control (FOC) Motor Drive
For 3-phase PMSM and ACIM FOC motor drives, the DSPIC33CH128MP508-E/PT provides the DSP throughput needed for sensorless FOC at speeds up to 30,000 RPM. The dedicated DSP engine with single-cycle MAC and zero-overhead loops executes Park/Clarke transforms, SVPWM modulation, and sliding-mode observers within microseconds. Dual cores split the workload between real-time current loop (Master) and speed/position loop with CAN FD communication (Slave). The integrated high-resolution PWM with 250 ps edge placement produces clean switching waveforms, reducing audible motor noise and torque ripple.
Recommandé
Drone Electronic Speed Controller (ESC)
In drone BLDC ESC applications, the DSPIC33CH128MP508-E/PT's 200 MHz dual-core performance and high-resolution PWM deliver the response time needed for fast-throttle maneuvers and field-weakening operation. The compact 80-pin TQFP fits the tight mechanical envelope of a 4-in-1 ESC board. The integrated CAN FD enables real-time telemetry from the ESC to the flight controller, while the DMA-driven ADC achieves deterministic current sampling synchronized to PWM edges. Built-in op amps interface directly to low-side current shunts.
Recommandé
Wireless Power Transmitter (Qi/WPC)
For resonant wireless power transmitters supporting the Qi or proprietary WPC standards, the DSPIC33CH128MP508-E/PT's dual cores and high-resolution PWM enable precise frequency tracking and load-step response. The Master core implements the resonant control loop with sub-microsecond cycle time, while the Slave core handles foreign object detection (FOD) algorithms and Qi protocol negotiation over I2C. The 12-bit ADC captures tank current and voltage waveforms for digital demodulation. CAN FD connectivity supports automotive wireless charging modules.
Recommandé
Server Power Supply Unit (PSU)
In 80 PLUS Titanium server PSU designs, the DSPIC33CH128MP508-E/PT manages PFC + LLC + SR topology with high efficiency targets above 96%. The dual-core architecture runs the PFC voltage loop on the Master and the LLC + synchronous rectification on the Slave, sharing telemetry through Mailbox RAM. CAN FD or PMBus interfaces enable digital monitoring of input/output power, temperature, and fan speed. Hot-swap and black-box fault logging are handled in firmware. The 125 C extended temperature grade supports server ambient specifications.
Recommandé
Automotive Sensor Fusion ECU
For automotive sensor modules integrating IMU, pressure, and position sensors, the DSPIC33CH128MP508-E/PT provides the dual-core performance needed for sensor fusion algorithms. The Master core runs the safety-critical sampling and CAN FD communication stack, while the Slave core executes extended Kalman filter (EKF) or particle filter fusion. The extended -40C to +125 C temperature range suits automotive underhood and chassis environments. Integrated op amps condition sensor signals directly, reducing BOM cost.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33CH128MP508-E/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33CH128MP508-I/PT | DSPIC33CH128MP508-H/PT | DSPIC33CH128MP506-I/PT | DSPIC33CH128MP505-E/M4 | DSPIC33CH128MP208T-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-80 (PT) 12x12 mm | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-64 (PT) - DIFFERENT | TQFP-80 (PT) - same | TQFP-64 (PT) - DIFFERENT |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Count | 2 (Master + Slave) | 2 | 2 | 2 | 2 | 2 |
| Max CPU Speed | 200 MIPS | 200 MIPS | 200 MIPS | 200 MIPS | 200 MIPS | 200 MIPS |
| Flash Memory | 152 KB | 152 KB | 152 KB | 152 KB | 152 KB | 152 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Temperature Range | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) | -40 C to +150 C (H grade) | -40 C to +85 C (I grade) | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) |
| Pin Count | 80 | 80 | 80 | 64 | 80 | 64 |
| CAN FD | Yes | Yes | Yes | Yes | Yes | Yes |
| High-Resolution PWM | Yes (250 ps) | Yes | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- True dual-core DSC on a single die (vs Single-core dsPIC33EPxxx MCUs)
- High-resolution PWM at 250 ps resolution (vs DSPIC33EP128MC506)
- Integrated CAN FD interface (vs DSPIC33CH64MP506 (lower-density variant))
Notes de conception
Estimated: At core speed of 200 MHz with both cores active, the DSPIC33CH128MP508-E/PT consumes roughly 200-400 mA from the 3.3 V VDD rail. Use a 100 nF X7R ceramic placed within 3 mm of each VDD pin, plus a single 10 uF bulk ceramic or tantalum capacitor at the regulator output. A separate AVDD/AVSS pair should be decoupled with 100 nF and 10 uF to isolate analog supply noise from the switching PWM outputs.
Use a 4-layer PCB with a continuous ground plane below the device for thermal dissipation and noise suppression. The 80-pin TQFP body is 12x12 mm with 0.50 mm pitch; route PWM signals on inner layers between VDD/GND planes to minimize radiated EMI. Keep ADC traces short and shielded by ground pour. Place crystal load capacitors (typically 18-22 pF) symmetrically within 3 mm of OSCI/OSCO.
Route high-speed PWM outputs and their complements (PWMxH/PWMxL) as differential pairs with matched lengths to within 1 mm to prevent duty-cycle distortion at high switching frequencies. Use 50 ohm controlled impedance if traces exceed 25 mm. Separate the analog ANx traces (inputs to ADC) from PWM traces by at least 3x the trace-to-trace spacing, with ground shielding recommended.
Estimated: Common pitfalls when designing with the DSPIC33CH128MP508-E/PT include (1) forgetting to initialize both cores - the Slave core must be released by the Master via firmware handshake before it executes code; (2) using 3.3 V supply below 3.0 V minimum, which causes unreliable Flash programming; (3) skipping the MCLR reset capacitor (typically 10 nF) which can cause spurious resets during PWM switching; (4) configuring high-resolution PWM with mismatched master clock source. Consult family datasheet section 7 (Slave Core Configuration) for proper dual-core bring-up.
Informations de conformité
RoHS compliant per Microchip product page. AEC-Q100 not qualified in standard grade - request automotive variant from Microchip. Halogen-free status not confirmed in provided data.
