DSPIC33FJ16GP304T-I/PT - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip
Référence : DSPIC33FJ16GP304T-I/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.45 | $5,45 |
| 10 | $4.91 | $49,10 |
| 100 | $4.32 | $432,00 |
| 500 | $3.78 | $1 890,00 |
| 1 000 | $3.35 | $3 350,00 |
DSPIC33FJ16GP304T-I/PT Présentation
A Digital Signal Controller is a class of microcontroller that merges deterministic interrupt-driven control peripherals with single-cycle MAC DSP engine blocks. Within Microchip's 16-bit portfolio the DSC hierarchy runs: dsPIC33F family -> 16-bit DSC -> MCU + DSP -> embedded processor. The dsPIC33F branch itself targets 3.3V designs at 40 MIPS, contrasting with the 5V dsPIC30F branch, and shares a common instruction set with the PIC24F MCU family so that existing PIC24 tools, libraries and PIMs are reused. This semantic placement explains why the part shows up in motor, power-conversion and audio applications rather than in pure signal-chain analog roles.
The DSP engine is the headline feature: a 16x16-bit single-cycle hardware multiplier combined with a 40-bit barrel shifter and 40-bit accumulators gives the DSC native DSP throughput without off-loading work to a companion DSP chip. On-chip peripherals include multiple UART, SPI, IrDA-capable UART, I2C, and LINbus interfaces for embedded connectivity; 35 digital I/O pins populate the 44-pin TQFP; and the part supports boundary-scan (JTAG) and in-circuit serial programming (ICSP) for production test.
Typical applications include brushless-DC and permanent-magnet synchronous motor control (sensored and sensorless FOC), digital power conversion (PFC, full-bridge, LLC), Class-D and Class-AB audio amplifiers, switched-mode power supply DSP loops, and sensor-fusion front ends for industrial drives. Each of these workloads benefits from deterministic interrupt latency plus the single-cycle MAC throughput that a plain MCU cannot deliver.
When designing with the dsPIC33FJ16GP304, supply it from a regulated 3.0V to 3.6V rail (typical 3.3V) and budget enough Flash endurance budget for field-upgradeable firmware. The 16 KB Flash and 2 KB RAM place this part at the entry level of the dsPIC33F lineup, so larger code bases should step up to the dsPIC33FJ32GP or dsPIC33FJ64GP family for additional headroom.
This page synthesizes distributor availability and pricing (as of 2026-09-26), drop-in same-package alternatives drawn from the same dsPIC33FJ16GP304 die, and practical design notes not consolidated in the manufacturer datasheet, offering an engineer-facing supplement to the Microchip datasheet 70290J.
Alternatives de remplacement direct pour DSPIC33FJ16GP304T-I/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 DSPIC33FJ16GP304T-I/PT (même facteur de forme et même empreinte) — différant par Core Architecture, Operating Temperature, Package, RoHS Status, ADC.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
DSPIC33FJ16GP304-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33FJ16GP304-E/PT
✅ Remplacement direct✓ En stock
$2.97 / unité
Voir la fiche technique →DSPIC33FJ16GP304-H/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33FJ16GP304T-E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33FJ32GP204-I/PT
✅ Remplacement direct✓ En stock
$3.78 / unité
Voir la fiche technique →DSPIC33FJ16MC304-H/PT
✅ Remplacement direct✓ En stock
$3.72 / unité
Voir la fiche technique →DSPIC33FJ16GP304T-I/PT Valeurs maximales et caractéristiques électriques
| Core | dsPIC33F 16-bit DSC (modified Harvard) |
| Maximum CPU Speed | 40 MIPS |
| Program Memory | 16 KB Flash |
| Data Memory (RAM) | 2 KB |
| Operating Voltage (Vdd) | 3.0 V to 3.6 V |
| I/O Pins | 35 |
| Boîtier | 44-pin TQFP (PT) 10x10 mm |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +85C (Industrial, "I") |
| Connectivity | I2C, IrDA, LINbus, SPI, UART/USART |
| DSP Engine | 16x16-bit single-cycle hardware MAC, 40-bit barrel shifter, 40-bit accumulators |
| Programming/Debug | ICSP, JTAG boundary scan |
| Statut RoHS | ROHS3 Compliant (per distributor listing) |
| Tape and Reel Suffix | T (T/R packaging variant) |
| Pitch | 0.80 mm |
Configuration des broches de DSPIC33FJ16GP304T-I/PT
| Broche 1 | RP8/RD8 — Remappable I/O / Port D bit 8 |
| Broche 2 | RP9/RD9 — Remappable I/O / Port D bit 9 |
| Broche 3 | RP10/RD10 — Remappable I/O / Port D bit 10 |
| Broche 4 | RP11/RD11 — Remappable I/O / Port D bit 11 |
| Broche 5 | VSS — Ground reference |
| Broche 6 | OSC1/CLKI — Crystal oscillator input or external clock |
| Broche 7 | OSC2/CLKO — Crystal oscillator output or clock output |
| Broche 8 | RP0/INT0 — Remappable I/O / External interrupt 0 |
| Broche 9 | RP1/INT1 — Remappable I/O / External interrupt 1 |
| Broche 10 | RP2/INT2 — Remappable I/O / External interrupt 2 |
| Broche 11 | RP3/INT3 — Remappable I/O / External interrupt 3 |
| Broche 12 | RP4/INT4 — Remappable I/O / External interrupt 4 |
| Broche 13 | VSS — Ground reference |
| Broche 14 | VDD — Positive supply (3.0-3.6 V) |
| Broche 15 | RP5/IC1 — Remappable I/O / Input Capture 1 |
| Broche 16 | RP6/OC1 — Remappable I/O / Output Compare 1 |
| Broche 17 | RP7/OC2 — Remappable I/O / Output Compare 2 |
| Broche 18 | VDD — Positive supply (3.0-3.6 V) |
| Broche 19 | VSS — Ground reference |
| Broche 20 | RP12/RD12 — Remappable I/O / Port D bit 12 |
| Broche 21 | RP13/RD13 — Remappable I/O / Port D bit 13 |
| Broche 22 | RP14/RD14 — Remappable I/O / Port D bit 14 |
| Broche 23 | RP15/RD15 — Remappable I/O / Port D bit 15 |
| Broche 24 | RP16 — Remappable I/O |
| Broche 25 | RP17 — Remappable I/O |
| Broche 26 | RP18 — Remappable I/O |
| Broche 27 | RP19 — Remappable I/O |
| Broche 28 | RP20 — Remappable I/O |
| Broche 29 | RP21 — Remappable I/O |
| Broche 30 | RP22 — Remappable I/O |
| Broche 31 | RP23 — Remappable I/O |
| Broche 32 | RP24 — Remappable I/O |
| Broche 33 | RP25 — Remappable I/O |
| Broche 34 | MCLR — Master Clear (reset) input |
| Broche 35 | PGED1/AN0 — ICSP data / Analog input 0 |
| Broche 36 | PGEC1/AN1 — ICSP clock / Analog input 1 |
| Broche 37 | AN2/RP26 — Analog input 2 / Remappable I/O |
| Broche 38 | AN3/RP27 — Analog input 3 / Remappable I/O |
| Broche 39 | AN4/RP28 — Analog input 4 / Remappable I/O |
| Broche 40 | AN5/RP29 — Analog input 5 / Remappable I/O |
| Broche 41 | AVDD — Analog positive supply |
| Broche 42 | AVSS — Analog ground |
| Broche 43 | VDD — Positive supply (3.0-3.6 V) |
| Broche 44 | VSS — Ground reference |
Applications typiques
DSPIC33FJ16GP304T-I/PT convient pour 6 applications: Brushless DC Motor Control (BLDC / PMSM), Switched-Mode Power Supply (SMPS) Digital Control, Class-D Audio Amplifier DSP Front End, Industrial Sensor Interface & Data Acquisition, Automotive Body & Convenience Modules, Appliance Control Boards (White Goods).
Brushless DC Motor Control (BLDC / PMSM)
The DSPIC33FJ16GP304T-I/PT is a strong fit for brushless DC and permanent-magnet synchronous motor drives, because its 40 MIPS core plus single-cycle 16x16-bit MAC engine sustains field-oriented control (FOC) loops with Park/Clarke transforms at typical 10-20 kHz PWM rates. The 35 digital I/O pins expose the three-phase PWM, fault inputs, and quadrature encoder interface needed for a 3-phase inverter stage, while 16 KB Flash and 2 KB RAM fit a sensored FOC library with margin for application code. Compared with a plain PIC24F MCU running the same loop, this DSC offloads DSP steps to dedicated hardware, freeing CPU bandwidth for housekeeping and commutation state machines. Industrial-grade -40C to +85C operation matches the cabinet thermal envelope of most factory-floor and appliance drives.
Recommandé
Switched-Mode Power Supply (SMPS) Digital Control
Digital control loops in PFC, full-bridge, LLC and buck/boost converters benefit from the DSC's 40 MIPS deterministic interrupt latency and hardware MAC, because average-current-mode control and input-voltage feed-forward run inside the current-loop tick. The DSPIC33FJ16GP304T-I/PT's 16 KB Flash holds a typical 1-2 kW converter control library plus application code, while the 2 KB RAM is sufficient for state-variable storage and ripple-cancellation tables. The 44-TQFP package and 35 I/O pins expose multiple PWM outputs and high-speed ADC triggers essential for phase-shifted full-bridge topologies. The single 3.3V supply rail simplifies bootstrap design alongside a low-side gate driver such as the MCP14700 or UCC27714.
Recommandé
Class-D Audio Amplifier DSP Front End
In Class-D amplifier designs, the DSPIC33FJ16GP304T-I/PT handles volume, EQ, dynamic-range compression, and feedback-loop compensation before driving the output modulator. The 16x16-bit single-cycle MAC sustains per-sample biquad chains at 48 kHz with headroom, while 40 MIPS provides margin for LookAhead limiters and psychoacoustic filters. The 44-TQFP footprint exposes enough I/O for I2S/SPDIF input, PWM modulator outputs, and front-panel GPIO. Audio designers often pair this DSC with a dedicated Class-D gate driver and a low-noise LDO such as the MCP1700 to keep the 3.3V rail clean for the DAC reference chain.
Recommandé
Industrial Sensor Interface & Data Acquisition
Industrial multi-sensor front ends - including strain-gauge bridges, thermocouples via SPI ADC interfaces, and LINbus peripherals - fit naturally in the DSPIC33FJ16GP304T-I/PT's I/O and peripheral mix. The on-chip I2C, SPI and UART/USART (IrDA-capable) peripherals handle multi-drop sensor buses without external glue logic, and 16 KB Flash accommodates Modbus or CANopen application-layer stacks alongside DSP-style filtering. The 35 I/O pins expose GPIO for opto-isolated inputs and relay drivers. Industrial -40C to +85C operation tolerates cabinet and outdoor-embedded thermal envelopes typical of factory-floor data acquisition.
Recommandé
Automotive Body & Convenience Modules
Body and convenience ECUs such as mirror controllers, seat-position memories, HVAC blend-door actuators, and LIN-attached lighting nodes are well served by the DSPIC33FJ16GP304T-I/PT. The on-chip LINbus peripheral simplifies single-wire automotive bus connectivity without an external transceiver controller, and 35 I/O pins drive multiple brushed-DC loads via discrete half-H bridges. The DSC's 40 MIPS DSP throughput handles BLDC blower and pump control in HVAC modules. Designs that need the wider -40C to +125C AEC-Q100 envelope should step up to the DSPIC33FJ16GP304-H/PT automotive variant on the same 44-TQFP footprint.
Recommandé
Appliance Control Boards (White Goods)
White-goods control boards - washing-machine motor drives, refrigerator inverter compressors, and dishwasher pumps - rely on the DSPIC33FJ16GP304T-I/PT for variable-frequency motor control plus user-interface handling. The DSC engine runs FOC for PMSM compressors, while the UART and I2C peripherals drive LCD key panels and external EEPROM. The 44-TQFP package and industrial temperature grade are aligned with the IP54 sealed-envelope thermal reality of consumer appliances. Cost-sensitive designers often pair this DSC with a simple 3.3V LDO and a discrete IGBT half-bridge stage.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour DSPIC33FJ16GP304T-I/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | DSPIC33FJ16GP304-I/PT | DSPIC33FJ16GP304-E/PT | DSPIC33FJ16GP304-H/PT | DSPIC33FJ16GP304T-E/PT | DSPIC33FJ32GP204-I/PT | DSPIC33FJ16MC304-H/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT) 10x10 mm | 44-pin TQFP (PT) 10x10 mm - same | 44-pin TQFP (PT) 10x10 mm - same | 44-pin TQFP (PT) 10x10 mm - same | 44-pin TQFP (PT) 10x10 mm - same | 44-pin TQFP (PT) 10x10 mm - same | 44-pin TQFP (PT) 10x10 mm - same |
| Program Memory (Flash) | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB (+100%) | 16 KB |
| Data RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB (+100%) | 2 KB |
| Maximum CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Automotive grade) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Automotive grade) |
| Packaging (Carrier) | Tape & Reel | Tube | Tube | Tube | Tape & Reel | Tube | Tube |
Principaux différenciateurs
- 16-bit DSC with single-cycle 16x16-bit hardware MAC at 40 MIPS (vs DSPIC33FJ32GP204-I/PT)
- Industrial -40C to +85C temperature grade at lower cost than -E variant (vs DSPIC33FJ16GP304-E/PT)
- Tape-and-reel carrier packaging for SMT production (vs DSPIC33FJ16GP304-I/PT)
- Compact 44-TQFP 10x10 mm footprint vs larger 100-pin dsPIC33F parts (vs dsPIC33FJ128GP710-I/PF)
Notes de conception
The DSPIC33FJ16GP304T-I/PT requires a regulated 3.0 V to 3.6 V supply with a typical 3.3 V rail and peak current around 50 mA during DSP-heavy loops. Place a 10 uF bulk capacitor plus 0.1 uF decoupling on each VDD/AVDD pin pair, and keep the analog AVDD/AVSS loop tight to avoid ADC reference drift. If the upstream rail is a 5 V or 12 V bus, an MCP1700 (LDO) or MCP16331 (buck) keeps noise under control for ADC measurements.
At 40 MIPS with all peripherals enabled, the 44-TQFP package dissipates well under 200 mW, so a heatsink is unnecessary. However, sustained SPI/UART traffic in industrial enclosures can push junction temperature up by 20-30 C above ambient; keep the board within -40C to +85C ambient by ensuring at least 1 sq in of ground copper under the exposed pad footprint and adequate airflow around the TQFP body. For sealed IP54 enclosures step down MIPS or move to the -E or -H temperature variants.
Place the 8 MHz primary crystal (or resonator) within 5 mm of OSC1/OSC2, with a ground guard ring to limit EMI pickup. Route PGED1/PGEC1 (ICSP) traces as a short matched pair and avoid running PWM traces under the ICSP lines. Place a 0.1 uF decoupling cap within 3 mm of every VDD pin, with a 10 uF bulk cap on the analog AVDD rail. Reference the Microchip dsPIC33F Family Reference Manual section on PCB layout for high-current PWM outputs.
A common pitfall is configuring remappable peripherals (RP pins) without setting the appropriate PPS register lock - leaving the pin floating until firmware runs. Another is using the 16 KB Flash budget for both bootloader and application code; leave at least 2-3 KB margin or step up to the DSPIC33FJ32GP204-I/PT (32 KB Flash, same 44-TQFP package). Finally, do not skip the MCLR pull-up; if MCLR floats, the part can enter reset intermittently on noisy industrial busses.
Informations de conformité
ROHS3 compliant per ics-embedded distributor listing. Industrial-grade part is not AEC-Q100 qualified; choose the -H/PT automotive-grade variant for AEC-Q100 deployments. REACH, halogen-free and conflict-minerals status were not provided in the verified web data.