DSPIC33FJ32GP204-E/ML - 16-bit 40MIPS DSC 32KB Flash | Microchip
MPN: DSPIC33FJ32GP204-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.8 | $6.80 |
| 10 | $6.12 | $61.20 |
| 100 | $5.44 | $544.00 |
| 500 | $4.89 | $2,445.00 |
| 1,000 | $4.42 | $4,420.00 |
DSPIC33FJ32GP204-E/ML Overview
A digital signal controller combines the deterministic control of a microcontroller unit (MCU) with the mathematical throughput of a digital signal processor (DSP) in a single RISC core. In the embedded systems hierarchy, the dsPIC33F sits between basic PIC16/PIC18 8-bit MCUs and full 32-bit DSP or ARM Cortex devices, making it the workhorse for control loops that need both C-language programmability and hardware multiply-accumulate (MAC) capability.
Key features include a modified Harvard RISC CPU with DSP instruction extensions (40-bit accumulators, single-cycle MAC), up to four high-speed comparators with direct PWM connection, a 10-bit ADC, five 16-bit timers, and Peripheral Pin Select (PPS) for flexible peripheral-to-pin mapping on its 35 I/O. In-circuit serial programming (ICSP) and IEEE 1149.2-compatible JTAG boundary scan simplify manufacturing and debug.
The architecture runs from internal PLL off an external crystal, achieving the full 40 MIPS rating without exotic clock circuitry. Flash program memory with self-programming support enables field firmware updates, and the peripheral set (UART, SPI, I2C, input capture, output compare/PWM) covers most mixed-signal control scenarios. The exposed-pad QFN package provides low-inductance grounding and good thermal performance for power-conversion-adjacent control tasks.
Typical applications include automotive body and sensor modules (leveraging AEC-Q100 qualification), industrial automation and motor-control front ends, digital power supplies, and precision analog signal conditioning that pairs the integrated comparators and ADC with the DSP engine.
When designing with this device, take advantage of Peripheral Pin Select early in layout to reduce board routing complexity, and provide clean 3.3V decoupling with a solid exposed-pad ground connection for analog accuracy.
This page synthesizes distributor pricing data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ32GP204-E/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 DSPIC33FJ32GP204-E/ML (same form factor and footprint) — differing in Package, Operating Temperature, RoHS Status, Core, Core Architecture.
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View Datasheet →DSPIC33FJ32GP204-I/ML
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View Datasheet →DSPIC33FJ32GP204-H/ML
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View Datasheet →DSPIC33FJ32MC204-E/ML
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View Datasheet →DSPIC33EP256MC504-E/ML
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View Datasheet →DSPIC33FJ32GP204-E/ML Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F, 16-bit RISC with DSP extensions |
| Performance | 40 MIPs |
| Flash Program Memory | 32KB (32K x 8) |
| SRAM | 2KB |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended, E grade) |
| Package | 44-QFN (8x8 mm) with exposed pad |
| I/O Ports | 35 |
| Timers | 5 x 16-bit |
| External Interrupts | 3 |
| Comparators | Up to 4 high-speed comparators |
| Communication Interfaces | UART, SPI, I2C |
| ADC | 10-bit ADC |
| JTAG | IEEE 1149.2-compatible boundary scan |
| Qualification | AEC-Q100 (automotive) |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| Lead Free Status | Lead Free, RoHS Compliant |
DSPIC33FJ32GP204-E/ML 44-qfn (8x8 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC33FJ32GP204-E/ML (44-qfn (8x8 mm) with exposed pad 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 DSPIC33FJ32GP204-E/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ32GP204-E/ML is suitable for 6 applications: Automotive Body and Sensor Modules, Industrial Automation and Control, Digital Power Supplies, Motor Control Front Ends, Precision Analog Signal Conditioning, Embedded IoT and Consumer Devices.
Automotive Body and Sensor Modules
The DSPIC33FJ32GP204-E/ML carries AEC-Q100 qualification and the -40C to +125C extended temperature rating, making it directly suitable for under-hood and body-control modules exposed to harsh thermal environments. Its 40 MIPS 16-bit core handles sensor filtering with DSP multiply-accumulate instructions, while the integrated 10-bit ADC digitizes resistive and voltage-output sensors and up to four high-speed comparators provide fast threshold detection without external circuitry. The 35 I/O lines drive lamps, relays, and LIN/UART communication links. Peripheral Pin Select lets engineers lock peripheral assignments late in the board design, which is valuable in automotive programs where pin mapping changes across model variants.
Recommended
Industrial Automation and Control
In factory automation nodes, the 40 MIPS DSP-enhanced core closes control loops faster than 8-bit MCUs while retaining C-code simplicity. The DSPIC33FJ32GP204-E/ML integrates five 16-bit timers, three external interrupts, and output-compare modules that generate PWM for actuators, heaters, and small motor drives. UART, SPI, and I2C interfaces connect it to PLC backplanes, displays, and industrial sensors over long runs when paired with RS-485 transceivers. In-circuit programming (ICSP) enables field firmware updates on installed equipment, and JTAG boundary scan supports production test. The 44-QFN exposed-pad package provides robust grounding for electrically noisy industrial cabinets.
Recommended
Digital Power Supplies
Digital SMPS controllers need deterministic loop execution and fast analog supervision, both delivered by this DSC. The dsPIC33F core's single-cycle MAC accelerates PID and compensator calculations at 40 MIPS, while the on-chip high-speed comparators connect directly to PWM logic for cycle-by-cycle current limiting, reducing external component count. The 10-bit ADC samples voltage and current feedback synchronously with the control loop using output-compare-triggered conversions. The 3.0V to 3.6V supply suits low-voltage controller rails, and the 44-QFN exposed pad sinks heat away from the switching environment. Its AEC-Q100 qualification also permits use in automotive onboard chargers and auxiliary converters.
Recommended
Motor Control Front Ends
Although the GP family is not the dedicated MC motor-control line, the DSPIC33FJ32GP204-E/ML still serves small motor applications: output-compare modules produce complementary PWM, the 10-bit ADC reads shunt-current and back-EMF feedback, and the DSP engine executes field-oriented-control math at 40 MIPS. Up to four comparators with direct PWM connection implement hardware overcurrent trips independent of software latency, protecting inverter stages. The 44-QFN footprint is shared with the DSPIC33FJ32MC204-E/ML, so a design can migrate to the motor-optimized variant on the same PCB if deeper PWM features (independent timebases, Peripheral Pin Select) become necessary later in the program.
Recommended
Precision Analog Signal Conditioning
The device's analog periphery makes it a compact signal-conditioning hub: the 10-bit ADC digitizes sensor outputs, high-speed comparators create fast limit alarms, and the DSP instruction set applies digital filtering (IIR/FIR) at hardware MAC speed, offloading corrections such as offset removal and nonlinear calibration. UART or SPI output streams conditioned data to host systems, and I2C connects calibration EEPROMs. Extended -40C to +125C operation keeps calibration valid across environmental extremes in process instrumentation and outdoor equipment. Engineers should supply AVDD through an RC filter and keep the exposed pad on a quiet analog ground plane to preserve conversion accuracy.
Recommended
Embedded IoT and Consumer Devices
For smart nodes, meters, and consumer appliances, the 32KB Flash balances feature richness with cost, and self-programming Flash supports field firmware updates over the air via a UART bootloader. The 40 MIPS core runs protocol stacks and signal processing concurrently, while the 35 I/O and PPS routing adapt the same board design to multiple product SKUs. Low 3.3V single-supply operation simplifies power trees in battery-backed devices. Development is accelerated by the Explorer 16/32 Development Board with a dsPIC33F PIM, per the Microchip product page. The 8x8 mm QFN fits dense two-layer consumer PCBs with standard reflow assembly.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ32GP204-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32GP304-E/ML | DSPIC33FJ16GP304-E/ML | DSPIC33FJ32GP204-I/ML | DSPIC33FJ32MC204-E/ML | DSPIC33EP256MC504-E/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8) EP | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 40 MIPs (dsPIC33F) | 40 MIPs | 40 MIPs | 40 MIPs | 40 MIPs | 70 MIPs (dsPIC33E) |
| Flash Memory | 32KB | 32KB | 16KB | 32KB | 32KB | 256KB |
| Temperature Range | -40C to +125C (E grade) | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
| PWM / Peripheral Emphasis | Comparators + GP peripherals | GP peripherals, comparators | GP peripherals, comparators | Comparators + GP peripherals | 2 PWM generators, independent timebases, PPS | MC family PWM, PPS, dsPIC33E peripherals |
Key Differentiators
- Extended temperature and automotive qualification (vs DSPIC33FJ32GP204-I/ML)
- High-speed comparator integration for hardware protection (vs DSPIC33FJ16GP304-E/ML)
- Migration path to dedicated motor-control PWM (vs DSPIC33FJ32MC204-E/ML)
Design Notes
Solder the exposed pad of the 44-QFN to a continuous ground pour with an array of thermal vias. The exposed pad is the primary ground return; connecting it only through side-wall vias or leaving it floating raises ground impedance, degrading ADC reference stability and EMI performance. Keep the 100 nF decoupling capacitors within 2 mm of each VDD/VSS pair and route oscillator traces short and shielded from PWM lines. Peripheral Pin Select lets you move noisy digital functions away from analog pin clusters during layout iteration.
Supply the analog domain (AVDD) through an RC or ferrite-bead filter from the digital 3.3V rail to preserve 10-bit ADC and comparator accuracy in switching environments. Estimated: a 10-ohm series resistor with 1 uF at AVDD attenuates supply ripple above roughly 16 kHz by 20 dB or more (fc = 1/(2*pi*10*1u) ~ 15.9 kHz). Add a bulk 4.7 uF to 10 uF capacitor near the package for inrush during Flash erase/write cycles. Stay within the 3.0V to 3.6V absolute operating window; 5V tolerant considerations must be verified per the data sheet before interfacing directly to 5V logic.
Configuration bits are stored with firmware, not fuses - a reprogrammed blank device can silently boot with wrong oscillator settings and appear dead. Always set FOSC, FGS, and FWDT registers in source and use the MPLAB configuration editor. When swapping to a dsPIC33E-family variant (e.g., DSPIC33EP256MC504-E/ML), remember that configuration words, oscillator PLL equations, and PPS mapping registers differ and require code changes - do not reuse the dsPIC33F hex image. Also verify the -E/ML MSL rating and bake requirements before reflow of tube stock.
Compliance Information
Lead free, RoHS compliant per DigiKey/datasheets.com listings (lead-free plastic package explicitly noted in digchip specification data). AEC-Q100 automotive qualification confirmed by Microchip USA listing.