DSPIC33FJ64GP204T-I/ML - 16-bit 40 MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33FJ64GP204T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.34 | $5.34 |
| 10 | $4.98 | $49.80 |
| 100 | $4.55 | $455.00 |
| 500 | $4.2 | $2,100.00 |
| 1,000 | $3.9 | $3,900.00 |
DSPIC33FJ64GP204T-I/ML Overview
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral set and control peripherals of a microcontroller, sitting in the system hierarchy between general-purpose MCUs and dedicated DSPs. DSCs execute digital filter algorithms and high-speed precision digital control loops, which is why the dsPIC33F family is widely used in motor control, power conversion, and sensing applications.
Key features include the 16-bit modified Harvard architecture with DSP instruction support (MAC, dual operand fetch), 8 DMA channels that offload data movement from the CPU, 7 timers, and general-purpose digital signal controller (DSC) functionality. The 21 I/O pins are complemented by serial communication peripherals, enabling multi-protocol embedded designs in a compact 44-QFN footprint.
Technically, the dsPIC33FJ64GPX04 family shares silicon across the 32KB, 64KB, and 128KB Flash members, so code written for this device scales upward without pinout changes. The T suffix indicates Tape and Reel delivery for automated assembly, and the I suffix denotes the industrial -40C to +85C temperature grade.
Typical applications include digital power supplies, sensor signal processing, industrial control panels, and embedded communication nodes that need DSP-class math with microcontroller-grade peripherals.
A key design consideration: the QFN-44 package requires a well-defined thermal pad pattern on the PCB for reliable solder joints and heat dissipation.
This page synthesizes distributor pricing, drop-in alternatives within the dsPIC33F family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64GP204T-I/ML — 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 DSPIC33FJ64GP204T-I/ML (same form factor and footprint) — differing in DMA Channels, Flash Program Memory, I/O Ports, Operating Temperature, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP204T-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GP204T-H/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64MC204T-I/ML
✅ Drop-In✓ In Stock
$5.42 / Unit
View Datasheet →DSPIC33FJ32GP304-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.49 / Unit
View Datasheet →DSPIC33FJ32MC204-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.37 / Unit
View Datasheet →DSPIC33FJ128GP204-I/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP204T-I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC |
| Maximum Clock Speed | 40 MHz |
| Performance | 40 MIPS |
| Program Memory | 64KB (64K x 8) Flash |
| Program Memory (words) | 8192 words |
| Data RAM | 8 KB SRAM |
| DMA Channels | 8 |
| Timers | 7 |
| Serial I/O Ports | 3 |
| I/O Ports | 21 |
| Supply Voltage | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (industrial, I grade) |
| Package | 44-QFN (8x8 mm), lead-free plastic, QFNL |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| RoHS Status | Lead-free per package description (QFNL, lead free) |
DSPIC33FJ64GP204T-I/ML 44-qfn (8x8 mm), lead-free plastic, qfnl Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP204T-I/ML (44-qfn (8x8 mm), lead-free plastic, qfnl 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 DSPIC33FJ64GP204T-I/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP204T-I/ML is suitable for 6 applications: Digital Power Supplies, Motor Control Drives, Sensor Signal Processing, Industrial Control Panels, Embedded Communication Nodes, Audio and Signal Conditioning.
Digital Power Supplies
The DSPIC33FJ64GP204T-I/ML fits digital power supply control because its 40 MIPS DSP core executes compensation-loop mathematics with single-cycle MAC instructions, achieving the deterministic loop rates that switch-mode converters demand. With 8 DMA channels streaming ADC samples into RAM without CPU intervention, the core remains free for the control algorithm while voltage and current feedback are continuously sampled. Placed as the main supervisory and control IC on a 3.3V rail, the device replaces analog compensation networks with firmware, enabling programmable output voltage, soft-start profiles, and fault logging. The trade-off is ADC latency versus switching frequency, which must be budgeted in the loop design.
Recommended
Motor Control Drives
For BLDC and PMSM drive applications, the DSPIC33FJ64GP204T-I/ML provides field-oriented control (FOC) capability through its DSP multiply-accumulate instructions running at 40 MIPS, sustaining current-loop bandwidths that analog controllers struggle to match. Its 21 I/O pins gate the inverter stage while 7 timers generate PWM carriers and measure rotor position from encoder or hall inputs. In cost-sensitive drives, the pin-compatible DSPIC33FJ64MC204T-I/ML variant adds motor-control-specific PWM peripherals on the identical 44-QFN footprint, letting one PCB serve either variant. The GP204 suits fan, pump, and light industrial drives where general-purpose peripherals suffice.
Recommended
Sensor Signal Processing
The DSPIC33FJ64GP204T-I/ML is well suited to sensor front ends because its DSP engine applies FIR and IIR filters, FFTs, and calibration mathematics directly on sampled data, with 8KB SRAM providing buffer space for block processing via the 8 DMA channels. A typical topology connects an analog sensor chain to the device's analog inputs and serial ports, with the core executing 40 MIPS of filtering before transmitting results over one of the 3 serial I/O ports. Operating from 3V to 3.6V, it can share the sensor board's single supply rail. The industrial -40C to +85C rating supports unconditioned field deployments in data loggers and condition-monitoring nodes.
Recommended
Industrial Control Panels
In industrial control and automation panels, the DSPIC33FJ64GP204T-I/ML acts as a deterministic real-time controller: 64KB Flash stores state machines, communication stacks, and control loops, while 21 I/O pins drive relays, read switches, and interface limit sensors. The industrial -40C to +85C temperature rating tolerates enclosure environments, and the lead-free 44-QFN (8x8 mm) package meets RoHS-era manufacturing requirements for surface-mount assembly. Its 3 serial I/O ports allow simultaneous links to HMI modules, motor drives, and supervisory controllers. Using DMA for serial buffering keeps the CPU responsive during burst communication traffic without software overhead.
Recommended
Embedded Communication Nodes
As a communication node controller, the DSPIC33FJ64GP204T-I/ML bridges field buses and local devices using its 3 serial I/O ports, with the 8 DMA channels offloading packet buffering so the 40 MIPS core can run protocol parsing and CRC computation in firmware. The 64KB (8192-word) Flash comfortably hosts stacked protocol implementations plus application logic, and the 44-QFN footprint fits gateways and router daughtercards where board area is constrained. Supplying the part from a 3.3V rail keeps it compatible with standard logic-level transceivers. Designers should budget Flash for protocol stacks, or move to the 128KB DSPIC33FJ128GP204 pin-compatible upgrade if images approach capacity.
Recommended
Audio and Signal Conditioning
The GP (general purpose) peripheral family that includes the DSPIC33FJ64GP204T-I/ML targets audio and signal-conditioning tasks: the 40 MIPS DSP core applies sample-rate conversion, equalization filtering, and envelope detection on real-time audio streams, with 8 DMA channels moving sample blocks between the serial ports and 8KB SRAM without CPU stalls. Because 64KB Flash holds both codec configuration routines and the processing chain, a single 44-QFN device can replace a separate DSP-plus-MCU pairing in compact designs. Powered from 3V to 3.6V, it interfaces directly with 3.3V audio codecs and DACs. Processing capacity per channel must be measured against the 40 MIPS budget in multi-channel designs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP204T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64MC204T-I/ML | DSPIC33FJ32GP304-I/ML | DSPIC33FJ64GP204T-E/ML | DSPIC33FJ128GP204-I/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 |
| Flash Program Memory | 64 KB (8192 words) | 64 KB | 32 KB | 64 KB | 128 KB |
| Performance | 40 MIPS / 40 MHz | 40 MIPS / 40 MHz | 40 MIPS / 40 MHz | 40 MIPS / 40 MHz | 40 MIPS / 40 MHz |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +85C | -40C to +125C (E grade) | -40C to +85C |
| Peripheral Emphasis | General Purpose (GP) | Motor Control (MC) peripherals | General Purpose (GP) | General Purpose (GP) | General Purpose (GP) |
| Lifecycle Status | Active | Active | Active | Active | Active |
Key Differentiators
- General-purpose peripheral set for mixed control/communication designs (vs DSPIC33FJ64MC204T-I/ML)
- Balanced 64KB Flash at the family's entry 44-QFN price point (vs DSPIC33FJ128GP204-I/ML)
- Extended temperature grade available without PCB change (vs DSPIC33FJ64GP204T-E/ML)
Design Notes
The 44-QFN (8x8 mm) leadless package solders through perimeter lands and a central thermal pad. Define the PCB land pattern per the Microchip datasheet with the center pad connected to a ground plane via an array of small thermal vias (typically 4x4 at 0.3 mm drill) to balance solder wicking and heat transfer. Use no-clean flux profiles qualified for leadless packages and inspect with X-ray on first articles, since hidden solder voids under the QFN center pad are invisible optically and can cause intermittent ground faults.
The device specifies a 3V to 3.6V supply. Place a 0.1 uF ceramic decoupling capacitor within 2 mm of each VDD pin pair plus one bulk 4.7 uF-10 uF capacitor near the package. Because dsPIC33F core current spikes during 40 MIPS DSP execution (MAC-heavy inner loops), keep the regulator output impedance low and route VDD as short, wide traces. Estimate: at typical dsPIC33F operating currents of tens of milliamps (exact per-mode figures in the datasheet), a 100 mV rail droop budget allows roughly 10 ohms of total series impedance - easily met with a good LDO or buck regulator.
Verify the exact ordering code before assembly: the T suffix means Tape & Reel, the I suffix means -40C to +85C industrial grade, and ML denotes the 44-QFN 8x8 mm package. Confusing -I/ML with -E/ML changes the temperature ceiling from +85C to +125C, which matters in enclosed power electronics. Also note that pin-compatible family siblings (32KB, 64KB, 128KB GPX04 parts) share silicon, but MC-variant parts swap GP peripherals for motor-control PWM - recompile and re-validate peripheral configuration registers after any substitution.
Compliance Information
Package described as QFNL, 8x8 mm, LEAD FREE, PLASTIC, QFN-44 in digchip specification data. REACH, halogen-free, and conflict-minerals status not stated in provided data.
