DSPIC33FJ128MC510A-E/PT - 40 MIPS 128KB Flash Motor Control DSC | Microchip
MPN: DSPIC33FJ128MC510A-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.4 | $8.40 |
| 10 | $7.65 | $76.50 |
| 100 | $6.85 | $685.00 |
| 500 | $6.1 | $3,050.00 |
| 1,000 | $5.45 | $5,450.00 |
DSPIC33FJ128MC510A-E/PT Overview
A Digital Signal Controller (DSC) is a hybrid class of microcontroller that combines an MCU's deterministic control peripherals with a DSP's single-cycle MAC engine and dedicated hardware accumulators. In the broader taxonomy, the dsPIC33FJ128MC510A belongs to: DSC -> Digital Signal Controller -> Microcontroller -> Embedded Processor -> Semiconductor. DSCs target applications where high-frequency closed-loop control and on-chip signal processing must coexist, such as field-oriented control (FOC) of three-phase motors, digital power conversion, and audio processing.
Key features include 16 KB SRAM, 8-channel PWM with 1.04 ns resolution, two 10-bit ADCs capable of 1.1 Msps aggregate, ECAN, SPI, I2C, and UART connectivity, plus a JTAG programming/debug interface. The device operates from 3.0-3.6 V and is qualified to AEC-Q100 for automotive under-hood applications.
The architectural strength is its dual A/D converter pair with dedicated S&H, enabling simultaneous current/voltage sampling required for FOC motor control loops. On-chip comparators, op-amps, and the 40 MIPS core complete a single-chip motor drive solution.
Typical applications include brushless DC motor drives, 3-phase induction motor inverters, switched reluctance motor controllers, automotive HVAC blowers, and industrial servo drives. The wide AEC-Q100 temperature range also supports 24V industrial PLC modules.
When designing with this device, provide a 10uF bulk + 0.1uF decoupling cap per VDD/VSS pair and follow PCB layout guidelines for the analog ground plane to preserve ADC SNR.
This page consolidates distributor pricing, AEC-Q100 drop-in alternatives, and motor-control design notes to help engineers select the right DSC variant faster than searching each datasheet individually.
Drop-in alternatives for DSPIC33FJ128MC510A-E/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 DSPIC33FJ128MC510A-E/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core Architecture, Mounting Type, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128MC510A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ256MC510A-E/PT
✅ Drop-In✓ In Stock
$6.1 / Unit
View Datasheet →DSPIC33FJ256MC510A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128MC510A-E/PF
✅ Drop-In✓ In Stock
$7.65 / Unit
View Datasheet →DSPIC33FJ128GP706A-E/PT
✅ Drop-In✓ In Stock
$5.9 / Unit
View Datasheet →DSPIC33FJ128GP310A-I/PF
✅ Drop-In✓ In Stock
$5.7 / Unit
View Datasheet →DSPIC33EV256GM106T-I/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33FJ128MC510A-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC33F (16-bit DSC with DSP engine) |
| CPU Speed | 40 MIPS (40 MHz) |
| Program Flash Memory | 128 KB |
| SRAM | 16 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| I/O Pins | 85 |
| ADC | 2 x 10-bit, 1.1 Msps, dual S&H |
| PWM Channels | 8 output, 1.04 ns resolution |
| Quadrature Encoder Interface | Yes (QEI) |
| Communication Interfaces | ECAN, SPI, I2C, UART |
| Package | 100-pin TQFP (PT) 12x12 mm |
| Operating Temperature | -40C to +125C (AEC-Q100 Grade 1) |
| Automotive Qualification | AEC-Q100 qualified (E suffix) |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount (TQFP) |
| MSL Level | 3 (168 hours) |
| Lead-Free | Yes |
DSPIC33FJ128MC510A-E/PT 100-pin tqfp (pt) 12x12 mm Pin Configuration Guide
Pin configuration for DSPIC33FJ128MC510A-E/PT (100-pin tqfp (pt) 12x12 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 DSPIC33FJ128MC510A-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ128MC510A-E/PT is suitable for 6 applications: Brushless DC Motor (BLDC) Drive, Three-Phase Induction Motor Inverter, Automotive HVAC Blower Controller, Switched Reluctance Motor (SRM) Drive, Industrial Servo Drive and PLC Module, Digital Power Conversion (DC-DC, PFC).
Brushless DC Motor (BLDC) Drive
The DSPIC33FJ128MC510A-E/PT fits BLDC drives because its dual 10-bit ADC with simultaneous S&H and 8-channel PWM at 1.04 ns resolution enable sensorless back-EMF zero-crossing detection and 6-step or FOC commutation up to 40 MIPS. AEC-Q100 Grade 1 qualification and 100-pin TQFP package suit automotive HVAC blower and pump applications. On-chip op-amps can amplify shunt currents directly, reducing external analog components. With 128 KB Flash the controller easily stores BLDC startup tables, sinusoidal LUTs, and PI-loop firmware.
Recommended
Three-Phase Induction Motor Inverter
Field-oriented control of three-phase induction motors requires simultaneous current and voltage sampling at 10-20 kHz loops. The DSPIC33FJ128MC510A-E/PT's dual S&H ADC pair performs precisely this measurement while the 40 MIPS core executes the Clarke/Park transform and inverse Park/SVPWM calculations within microseconds. The 8-channel PWM provides center-aligned complementary outputs with dead-band insertion for safe IGBT switching. AEC-Q100 Grade 1 rating allows deployment in EV traction auxiliaries and industrial servo drives.
Recommended
Automotive HVAC Blower Controller
Automotive HVAC blowers demand AEC-Q100 Grade 1 qualification, 100-pin TQFP footprint for compact ECUs, and reliable PWM output for speed control. The DSPIC33FJ128MC510A-E/PT delivers all three plus 16 KB SRAM for CAN message buffering and 8-channel PWM for multi-fan zone control. ECAN, SPI, I2C, and UART interfaces allow direct connection to body-control modules without an external transceiver IC. The 40 MIPS core easily handles demand-fan curve computation and stall-detection firmware.
Recommended
Switched Reluctance Motor (SRM) Drive
Switched reluctance motors need high-resolution PWM and fast ADC feedback to commutate on rotor position. The DSPIC33FJ128MC510A-E/PT's 1.04 ns PWM resolution and 1.1 Msps ADC capture rotor position from optical or Hall sensors and commutate windings at high speed. The QEI module directly interfaces with incremental encoders for closed-loop position control, while 85 I/O pins drive the multi-phase SRM bridge and isolated gate drivers. AEC-Q100 Grade 1 supports automotive and heavy-industrial deployments.
Recommended
Industrial Servo Drive and PLC Module
Industrial PLC servo modules require deterministic 24V-tolerant I/O, ECAN for multi-axis networking, and AEC-Q100-equivalent thermal robustness for cabinet-mounted deployments. The DSPIC33FJ128MC510A-E/PT's -40C to +125C rating, 100-pin TQFP, and ECAN interface suit multi-axis machine builders. The 8-channel PWM, QEI, and dual ADC pair form a complete servo-loop peripheral set, while 128 KB Flash hosts PID, autotuning, and EtherCAT-over-CAN protocol firmware stacks.
Recommended
Digital Power Conversion (DC-DC, PFC)
Digital power supplies with FOC-style current-mode control benefit from the DSPIC33FJ128MC510A-E/PT's 1.04 ns PWM resolution and 40 MIPS DSP engine. The 10-bit ADC samples inductor current and output voltage at high frequency for peak-current-mode control. The DSP engine accelerates control-loop arithmetic and digital filtering, while AEC-Q100 Grade 1 and 100-pin TQFP suit automotive 48V DC-DC converters. 128 KB Flash holds full PFC and LLC firmware plus telemetry.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ128MC510A-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128MC510A-I/PT | DSPIC33FJ256MC510A-E/PT | DSPIC33FJ256MC510A-I/PT | DSPIC33FJ128GP706A-E/PT | DSPIC33EV256GM106T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (PT) 12x12 mm | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same |
| Flash Memory | 128 KB | 128 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| SRAM | 16 KB | 16 KB | 32 KB | 32 KB | 16 KB | 16 KB |
| CPU Speed | 40 MIPS (40 MHz) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 70 MIPS |
| AEC-Q100 Grade | Grade 1 (-40C to +125C) | Industrial (-40C to +85C) | Grade 1 | Industrial | Grade 1 | Industrial |
| Motor-Control PWM | Yes (8 channels) | Yes (8 channels) | Yes (8 channels) | Yes (8 channels) | No | Yes |
| ECAN | Yes | Yes | Yes | Yes | Yes | Yes |
| Approx. Unit Price (qty 1) | USD 8.40 | USD 7.50 | USD 9.50 | USD 8.80 | USD 8.10 | USD 6.50 |
Key Differentiators
- AEC-Q100 Grade 1 qualification for under-hood automotive deployments (vs DSPIC33FJ128MC510A-I/PT)
- Higher Flash density in the same TQFP-100 footprint (vs DSPIC33FJ128MC510A-E/PF)
- Dedicated motor-control peripherals vs general-purpose variant (vs DSPIC33FJ128GP706A-E/PT)
Design Notes
Place a 10uF bulk + 0.1uF ceramic decoupling capacitor pair on each VDD/VSS pin pair. Microchip family datasheet DS-39702 recommends placing these capacitors within 5 mm of the respective supply pin to suppress switching noise that couples into the dual ADC. For motor-control applications drawing peak currents from the 3.3V rail, add a ferrite bead in series with the regulator output to isolate dsPIC noise from analog VDD.
Layout the analog ground (AGND) and digital ground (DGND) as a single star-ground plane tied at the device's GND pin. Route sensitive analog traces (AN0-AN15, band-gap reference) away from PWM output traces carrying fast dV/dt signals. The 100-pin TQFP (PT) has 12x12 mm dimensions, allowing a 4-layer PCB with dedicated power and ground planes. Keep the OSC1/OSC2 traces short and surrounded by grounded copper.
Do not exceed the 3.0-3.6 V VDD range; the -E suffix does not tolerate 5V inputs. PWM outputs are 3.3V logic - level-shift to IGBT gate drivers via dedicated gate-driver ICs (e.g., MCP14xx family). When migrating firmware from dsPIC33FJ128MC510A-I/PT (85C) to -E/PT (125C), verify any temperature-dependent derating in motor-control loops and ADC sample rates.
Estimated: at 40 MIPS operation with all peripherals active, core current draw is approximately 70 mA, dissipating about 0.23 W in the 100-pin TQFP (theta_JA ~50 C/W typical on 4-layer PCB). Junction temperature rise above 25C ambient is roughly 12C. At 125C ambient this remains well within the AEC-Q100 Grade 1 thermal envelope, but at higher ambient temperatures verify with the Microchip thermal estimator tool.
Compliance Information
AEC-Q100 Grade 1 qualified per Microchip product family documentation. RoHS and lead-free status per Microchip packaging data. REACH compliance not explicitly stated in the verified web data.
