DSPIC33FJ16MC304-E/PT - 16-bit 40 MIPS DSC 44-TQFP | Microchip
MPN: DSPIC33FJ16MC304-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.32 | $5.32 |
| 10 | $4.78 | $47.80 |
| 100 | $4.25 | $425.00 |
| 500 | $3.86 | $1,930.00 |
| 1,000 | $3.45 | $3,450.00 |
DSPIC33FJ16MC304-E/PT Overview
A Digital Signal Controller combines the computational throughput of a Digital Signal Processor (DSP) with the deterministic, interrupt-driven behavior of a microcontroller (MCU). Within the power-management hierarchy, the dsPIC33FJ16MC304 family sits in the 16-bit DSC class optimized specifically for digital motor control, where field-oriented control loops, PWM generation, and fast analog feedback must execute within tight cycle budgets.
Key features include a 16-bit dsPIC33F core running at up to 40 MIPS, 16 KB (16K x 8) of self-programmable FLASH program memory, 2 KB of SRAM, and two high-speed PWM generators with independent timebases. The Peripheral Pin Select (PPS) capability allows flexible remapping of digital peripherals onto available I/O pins, and up to four high-speed analog comparators with direct connections support current-limit and fault-protection functions without external circuitry. The part also integrates ADC and input-capture/output-compare resources required for sensorless and sensored motor control algorithms.
Architecturally, the dsPIC33F core provides DSP-engine multiply-accumulate (MAC) instructions and dual operand fetch, enabling execution of PI and Park/Clarke transform calculations at full 40 MIPS speed. The 3.0 V to 3.6 V supply range matches standard 3.3 V industrial rails. The -E suffix denotes the extended operating temperature option, making the device suitable for thermally demanding enclosures.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, power factor correction converters, digital UPS systems, and industrial automation controllers where high-speed PWM and fast comparator-based fault detection are essential.
Design consideration: enable the integrated brown-out and watchdog facilities, and route PWM outputs with gate-driver dead-time margins, because the high-speed PWM peripherals can switch fast enough to stress driver stages if dead time is misconfigured.
This page synthesizes distributor pricing, drop-in alternatives within the dsPIC33FJ 44-TQFP family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ16MC304-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 DSPIC33FJ16MC304-E/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Supply Voltage, PWM Generators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ16MC304-H/PT
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33FJ16MC304-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.98 / Unit
View Datasheet →DSPIC33FJ32MC304-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.78 / Unit
View Datasheet →DSPIC33FJ16GP304-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GP304-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.29 / Unit
View Datasheet →DSPIC33FJ16MC304-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC with DSP engine |
| Maximum CPU Speed | 40 MIPS |
| Program Memory Type | FLASH |
| Program Memory Size | 16 KB (16K x 8) |
| SRAM Size | 2 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| I/O Ports | 35 I/O |
| PWM Generators | 2 high-speed PWM with independent timebases |
| Analog Comparators | Up to 4 high-speed comparators |
| Peripheral Pin Select | Yes (PPS remappable I/O) |
| Package | 44-TQFP (10 x 10 mm, 1 mm height) |
| Mounting Type | Surface Mount |
| Temperature Grade | Extended (-E suffix) |
| Product Family | dsPIC33FJ16MC304 Motor Control family |
| Lifecycle Status | Active |
| RoHS / Lead Finish | Lead-free plastic package |
DSPIC33FJ16MC304-E/PT 44-tqfp (10 x 10 mm, 1 mm height) Pin Configuration Guide
Pin configuration for DSPIC33FJ16MC304-E/PT (44-tqfp (10 x 10 mm, 1 mm height) 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 DSPIC33FJ16MC304-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ16MC304-E/PT is suitable for 6 applications: BLDC Motor Drives, PMSM Field-Oriented Control, Digital Power Conversion / PFC, Industrial Automation Controllers, Robotics and Servo Drives, UPS and Inverter Systems.
BLDC Motor Drives
The DSPIC33FJ16MC304-E/PT fits brushless DC motor control because its two high-speed PWM generators with independent timebases produce the six-step commutation pattern directly, while up to four high-speed analog comparators provide hardware overcurrent trip with direct PWM shutdown, eliminating CPU latency in fault paths. Running at 40 MIPS, the 16-bit DSP core executes commutation logic and PI current loops with ample cycle margin, and Peripheral Pin Select lets hall-sensor inputs map to the most convenient physical pins. The part interfaces to a 3-phase gate driver over standard 3.3 V logic, with 16 KB FLASH sufficient for hall-based or back-EMF sensorless firmware plus a communication stack.
Recommended
PMSM Field-Oriented Control
For permanent-magnet synchronous motor drives, the DSPIC33FJ16MC304-E/PT supplies center-aligned high-speed PWM for space-vector modulation, and its DSP multiply-accumulate engine computes Clarke/Park transforms and PI current regulators inside a 10-20 kHz control interrupt at 40 MIPS. Two independent PWM timebases support simultaneous control of two axes or a motor plus PFC stage. The 2 KB SRAM holds FOC state variables comfortably for 16 KB-class firmware; designs needing sensorless flux observers with heavy lookup tables should consider the same-footprint DSPIC33FJ32MC304 with 32 KB FLASH. The extended -E temperature grade suits drive electronics mounted near motor power stages where ambient exceeds standard industrial ratings.
Recommended
Digital Power Conversion / PFC
Switched-mode power supplies and power-factor-correction stages benefit from the DSPIC33FJ16MC304-E/PT's high-speed PWM resolution and integrated fast comparators, which implement cycle-by-cycle current limiting in hardware rather than software. At 40 MIPS, average-current-mode control loops for boost or flyback topologies update at tens of kHz without core saturation, and input-capture peripherals measure feedback timing. Peripheral Pin Select allows the designer to place PWM outputs on pins adjacent to gate-driver connections, shortening high-frequency loops on the PCB. The 3.0-3.6 V supply matches a standard 3.3 V bias rail derived from an auxiliary flyback winding through a small LDO.
Recommended
Industrial Automation Controllers
In factory automation nodes, the DSPIC33FJ16MC304-E/PT combines 35 remappable I/O pins with UART, SPI, and I2C peripherals relocatable via Peripheral Pin Select, which simplifies routing to connectors and isolation barriers on dense control boards. The 40 MIPS 16-bit core handles protocol handling, sequencing, and PID process loops simultaneously, while the extended temperature -E rating supports control cabinets near motors, heaters, or outdoor equipment. The integrated comparators and ADC support threshold alarms without external supervisor ICs. For CANopen or Modbus gateways, pair the controller with a standalone CAN controller or transceiver on the SPI/UART bus, keeping 16 KB FLASH within budget for compact protocol firmware.
Recommended
Robotics and Servo Drives
Compact servo axes require simultaneous motor commutation, encoder decoding, and command communication; the DSPIC33FJ16MC304-E/PT addresses all three with two independent-timebase PWM generators, input-capture peripherals for quadrature or hall timing, and UART/SPI channels for command links. The 40 MIPS DSP core closes current loops at high bandwidth while a slower outer position loop runs in the same interrupt structure. Hardware comparators implement instantaneous overcurrent protection for the H-bridge, critical when stalled-rotor faults occur. With 16 KB FLASH, encoder-based servo firmware with trajectory generation fits, and the same-footprint 32 KB variant provides headroom for advanced observers if algorithms grow.
Recommended
UPS and Inverter Systems
Single-phase UPS and inverter designs use the DSPIC33FJ16MC304-E/PT to generate sinusoidal PWM for the output H-bridge while monitoring battery voltage, bus voltage, and load current through its ADC and comparators. The independent PWM timebases allow synchronized inverter and charger stages from one controller, and 40 MIPS supports digital dead-time compensation and harmonic compensation routines. Hardware comparator fault trips protect against shoot-through and overload faster than any software loop. The extended -E temperature rating suits enclosures where power-stage heat raises board ambient, and the 3.3 V supply integrates cleanly with isolated gate-driver bias architectures common in 24-48 V battery systems.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ16MC304-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ16MC304-H/PT | DSPIC33FJ16MC304-I/PT | DSPIC33FJ32MC304-I/PT | DSPIC33FJ16GP304-I/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10 x 10 mm) | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same | 44-TQFP (10 x 10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| FLASH Memory | 16 KB | 16 KB | 16 KB | 32 KB | 16 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Temperature Grade | Extended (-E) | H grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) |
| Target Application Focus | Motor control (MC family) | Motor control (MC family) | Motor control (MC family) | Motor control (MC family) | General purpose (GP family) |
Key Differentiators
- Extended temperature operation (vs DSPIC33FJ16MC304-I/PT)
- Lowest-cost entry to MC-family motor control (vs DSPIC33FJ32MC304-I/PT)
- Motor-control peripheral emphasis (vs DSPIC33FJ16GP304-I/PT)
Design Notes
Supply the dsPIC33FJ16MC304-E/PT from a clean 3.3 V rail within the 3.0-3.6 V datasheet range. Decouple each VDD pin with 0.1 uF ceramic capacitors placed within 2 mm of the pins, plus one 4.7-10 uF bulk capacitor, and connect the internal regulator VCAP pin to ground with the datasheet-specified low-ESR capacitor. In motor-drive boards, separate the controller ground from power-stage gate-driver return paths with a single-point connection to keep PWM switching noise out of the ADC reference.
Use Peripheral Pin Select deliberately during layout: assign PWM outputs to pins nearest the gate-driver header and comparator inputs nearest the current-shunt amplifier to minimize trace length on high-dV/dt nodes. The 44-TQFP (10 x 10 mm, 1 mm height) exposes no thermal pad, but its thermal performance is adequate because controller power dissipation at 40 MIPS is well under 250 mW; still, flood ground plane under the package and connect AVDD/AVSS as the datasheet connection diagram specifies for accurate ADC results.
Three frequent mistakes with this family: (1) forgetting that the 44-TQFP shares the die with the QFN variant, so pin numbering differs between package options - always verify against the PT (TQFP) pin diagram in datasheet 70283K; (2) omitting dead-time configuration in the high-speed PWM module, which can cause H-bridge shoot-through at 40 MIPS switching rates; (3) exceeding 3.6 V on any I/O pin when interfacing 5 V sensors - use level shifters or resistive dividers, since dsPIC33F I/O are not 5 V tolerant.
Compliance Information
Digchip specification entry lists 'LEAD FREE, PLASTIC' 44-TQFP package for this part. REACH, halogen-free, and conflict-minerals status not stated in provided data; confirm via Microchip environmental documentation.
