DSPIC33FJ16GP304T-I/PT - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip
MPN: DSPIC33FJ16GP304T-I/PT ✓ Hoạt độngDSPIC33FJ16GP304T-I/PT Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ16GP304T-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với DSPIC33FJ16GP304T-I/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, Operating Temperature, Package, RoHS Status, ADC.
DSPIC33FJ16GP304-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ16GP304-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ16GP304-H/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ16GP304T-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ32GP204-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ16MC304-H/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ16GP304T-I/PT Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 44-pin TQFP (PT) 10x10 mm |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -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 |
| Trạng thái RoHS | ROHS3 Compliant (per distributor listing) |
| Tape and Reel Suffix | T (T/R packaging variant) |
| Pitch | 0.80 mm |
Cấu hình chân DSPIC33FJ16GP304T-I/PT
| Chân 1 | RP8/RD8 — Remappable I/O / Port D bit 8 |
| Chân 2 | RP9/RD9 — Remappable I/O / Port D bit 9 |
| Chân 3 | RP10/RD10 — Remappable I/O / Port D bit 10 |
| Chân 4 | RP11/RD11 — Remappable I/O / Port D bit 11 |
| Chân 5 | VSS — Ground reference |
| Chân 6 | OSC1/CLKI — Crystal oscillator input or external clock |
| Chân 7 | OSC2/CLKO — Crystal oscillator output or clock output |
| Chân 8 | RP0/INT0 — Remappable I/O / External interrupt 0 |
| Chân 9 | RP1/INT1 — Remappable I/O / External interrupt 1 |
| Chân 10 | RP2/INT2 — Remappable I/O / External interrupt 2 |
| Chân 11 | RP3/INT3 — Remappable I/O / External interrupt 3 |
| Chân 12 | RP4/INT4 — Remappable I/O / External interrupt 4 |
| Chân 13 | VSS — Ground reference |
| Chân 14 | VDD — Positive supply (3.0-3.6 V) |
| Chân 15 | RP5/IC1 — Remappable I/O / Input Capture 1 |
| Chân 16 | RP6/OC1 — Remappable I/O / Output Compare 1 |
| Chân 17 | RP7/OC2 — Remappable I/O / Output Compare 2 |
| Chân 18 | VDD — Positive supply (3.0-3.6 V) |
| Chân 19 | VSS — Ground reference |
| Chân 20 | RP12/RD12 — Remappable I/O / Port D bit 12 |
| Chân 21 | RP13/RD13 — Remappable I/O / Port D bit 13 |
| Chân 22 | RP14/RD14 — Remappable I/O / Port D bit 14 |
| Chân 23 | RP15/RD15 — Remappable I/O / Port D bit 15 |
| Chân 24 | RP16 — Remappable I/O |
| Chân 25 | RP17 — Remappable I/O |
| Chân 26 | RP18 — Remappable I/O |
| Chân 27 | RP19 — Remappable I/O |
| Chân 28 | RP20 — Remappable I/O |
| Chân 29 | RP21 — Remappable I/O |
| Chân 30 | RP22 — Remappable I/O |
| Chân 31 | RP23 — Remappable I/O |
| Chân 32 | RP24 — Remappable I/O |
| Chân 33 | RP25 — Remappable I/O |
| Chân 34 | MCLR — Master Clear (reset) input |
| Chân 35 | PGED1/AN0 — ICSP data / Analog input 0 |
| Chân 36 | PGEC1/AN1 — ICSP clock / Analog input 1 |
| Chân 37 | AN2/RP26 — Analog input 2 / Remappable I/O |
| Chân 38 | AN3/RP27 — Analog input 3 / Remappable I/O |
| Chân 39 | AN4/RP28 — Analog input 4 / Remappable I/O |
| Chân 40 | AN5/RP29 — Analog input 5 / Remappable I/O |
| Chân 41 | AVDD — Analog positive supply |
| Chân 42 | AVSS — Analog ground |
| Chân 43 | VDD — Positive supply (3.0-3.6 V) |
| Chân 44 | VSS — Ground reference |
Ứng dụng tiêu biểu
DSPIC33FJ16GP304T-I/PT phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ16GP304T-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- 16-bit DSC with single-cycle 16x16-bit hardware MAC at 40 MIPS (vsDSPIC33FJ32GP204-I/PT)
- Industrial -40C to +85C temperature grade at lower cost than -E variant (vsDSPIC33FJ16GP304-E/PT)
- Tape-and-reel carrier packaging for SMT production (vsDSPIC33FJ16GP304-I/PT)
- Compact 44-TQFP 10x10 mm footprint vs larger 100-pin dsPIC33F parts (vsdsPIC33FJ128GP710-I/PF)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.