DSPIC33FJ16GP304-E/PT - 16-bit DSC, 40 MIPS, 16KB Flash | Microchip
MPN: DSPIC33FJ16GP304-E/PT ✓ Hoạt độngDSPIC33FJ16GP304-E/PT Tóm tắt
A Digital Signal Controller (DSC) is a hybrid MCU/DSP architecture that combines the deterministic interrupt-driven control of a microcontroller with the deterministic single-cycle MAC throughput of a digital signal processor. Within the broader hierarchy, a DSC sits between a microcontroller (MCU) and a digital signal processor (DSP) in the embedded-processing taxonomy: DSC -> MCU -> embedded processor -> semiconductor. The dsPIC33F family is Microchip's 3.3 V 16-bit DSC line, offering seamless migration from the 5 V dsPIC30F family and from the PIC24F MCU family, sharing the same instruction set and peripheral library for code portability.
Key features include a modified Harvard architecture with 16-bit data path and 24-bit instructions, a hardware DSP engine with dual 40-bit accumulators and single-cycle 16x16 MAC, and an integrated 2.5% internal oscillator for reducing BOM cost. The device offers five 16-bit timer/counters, an 8-channel DMA controller for zero-overhead data movement, and on-chip 2 KB SRAM plus 1 KB data EEPROM for parameter storage. JTAG and ICSP programming/debug interfaces are supported, with multiple PGECx/PGEDx pin pairs for flexible PCB routing.
Typical applications include sensorless BLDC/PMSM motor control (FOC algorithm fits within the 16 KB Flash), digital UPS and PFC power conversion, multi-loop switch-mode power supplies, LED lighting ballasts, and automotive body modules. The 40 MIPS throughput sustains real-time FOC loops with 20 kHz PWM frequency while leaving headroom for housekeeping tasks.
When designing, provide a 4.7-10 uF low-ESR (<5 ohm) capacitor on the VCAP pin for the on-chip 2.5V regulator; VCAP must NEVER be tied to VDD. Allocate one of the PGECx/PGEDx pin pairs for ICSP regardless of final production programming method, to preserve debug access during prototyping.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ16GP304-E/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 DSPIC33FJ16GP304-E/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, Operating Temperature, Package, RoHS Status, ADC.
DSPIC33FJ16GP304-H/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ16GP304-I/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 →DSPIC33FJ32GP202-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ16MC304-H/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ16GP304-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | dsPIC33F (16-bit modified Harvard) |
| Core Type | DSP + MCU (Digital Signal Controller) |
| Instruction Set | 16-bit data path, 24-bit instructions |
| Max CPU Speed | 40 MIPS (MIPS = Million Instructions Per Second) |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Data RAM | 2 KB |
| Data EEPROM | 1 KB |
| Supply Voltage (VDD) | 3.0 V to 3.6 V (nominal 3.3 V) |
| Nhiệt độ hoạt động | -40 C to +125 C (extended, "E" suffix) |
| Hộp | 44-pin TQFP (PT), 10 x 10 mm |
| I/O Pins | 35 |
| ADC | 10-bit, 1.1 Msps, up to 13 input channels |
| Communication | 2x UART, 2x SPI, 1x I2C |
| Timers | 5 x 16-bit |
| DMA Channels | 8 |
| DSP Engine | Dual 40-bit accumulators, single-cycle 16x16 MAC |
| Programming/Debug | ICSP via PGECx/PGEDx pairs, JTAG |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC33FJ16GP304-E/PT
| Chân 1 | RP5/RB5/IC2/RX2 — Remappable I/O / Input Capture 2 / UART2 RX |
| Chân 2 | VDD — Power supply +3.3 V |
| Chân 3 | RP6/RB6/PWM4H — Remappable I/O / PWM 4H output |
| Chân 4 | RP7/RB7/PWM4L — Remappable I/O / PWM 4L output |
| Chân 5 | RB8/AN8 — I/O / ADC input 8 |
| Chân 6 | RB9/AN9 — I/O / ADC input 9 |
| Chân 7 | MCLR — Master Clear (reset, active-low) |
| Chân 8 | RB10/AN10 — I/O / ADC input 10 |
| Chân 9 | RB11/AN11 — I/O / ADC input 11 |
| Chân 10 | RB12/AN12 — I/O / ADC input 12 |
| Chân 11 | OSC1/RA1 — Oscillator crystal input / GPIO |
| Chân 12 | OSC2/RA2 — Oscillator crystal output / GPIO |
| Chân 13 | PGEC1/RP8/RB0 — ICSP clock 1 / remappable I/O |
| Chân 14 | PGED1/RP9/RB1 — ICSP data 1 / remappable I/O |
| Chân 15 | RP10/RB2 — Remappable I/O |
| Chân 16 | RP11/RB3 — Remappable I/O |
| Chân 17 | RP12/RB4 — Remappable I/O |
| Chân 18 | VSS — Ground |
| Chân 19 | VCAP — 2.5 V regulator output; 4.7-10 uF low-ESR cap to VSS |
| Chân 20 | RP13/RP21/RD8 — Remappable I/O |
| Chân 21 | RP14/RP22/RD9 — Remappable I/O |
| Chân 22 | RP15/RP23/RD10 — Remappable I/O |
| Chân 23 | RP16/RP24/RD11 — Remappable I/O |
| Chân 24 | RP17/SDA1/RD0 — Remappable I/O / I2C SDA 1 |
| Chân 25 | RP18/SCL1/RD1 — Remappable I/O / I2C SCL 1 |
| Chân 26 | RP19/SCK1/RD2 — Remappable I/O / SPI1 clock |
| Chân 27 | RP20/SDI1/RD3 — Remappable I/O / SPI1 data in |
| Chân 28 | SDO1/RD4 — SPI1 data out |
| Chân 29 | SS1/RD5 — SPI1 slave select |
| Chân 30 | RP0/RF0 — Remappable I/O |
| Chân 31 | RP1/RF1 — Remappable I/O |
| Chân 32 | RP2/SDA2/RF2 — Remappable I/O / I2C SDA 2 |
| Chân 33 | RP3/SCL2/RF3 — Remappable I/O / I2C SCL 2 |
| Chân 34 | RP4/RF4 — Remappable I/O |
| Chân 35 | VSS — Ground |
| Chân 36 | AN0/RA0 — ADC input 0 / GPIO |
| Chân 37 | AN1/RA1 — ADC input 1 / GPIO |
| Chân 38 | VDD — Power supply +3.3 V |
| Chân 39 | AN2/RA2 — ADC input 2 / GPIO |
| Chân 40 | PGEC2/RP25/RD12 — ICSP clock 2 / remappable I/O |
| Chân 41 | PGED2/RP26/RD13 — ICSP data 2 / remappable I/O |
| Chân 42 | RP27/AN3/RA3 — Remappable I/O / ADC input 3 |
| Chân 43 | RP28/AN4/RA4 — Remappable I/O / ADC input 4 |
| Chân 44 | RP29/AN5/RA5 — Remappable I/O / ADC input 5 |
Ứng dụng tiêu biểu
DSPIC33FJ16GP304-E/PT phù hợp cho 6 Áp dụngs: Sensorless BLDC / PMSM Motor Control, Digital Switch-Mode Power Supply (SMPS) and PFC, LED Lighting Ballasts and Drivers, Industrial Sensor Conditioning and Signal Processing, Automotive Body and HVAC Modules, Audio Processing and Effects.
Sensorless BLDC / PMSM Motor Control
The DSPIC33FJ16GP304-E/PT's 40 MIPS throughput sustains a real-time Field-Oriented Control (FOC) loop on a 20 kHz PWM while leaving cycles for back-EMF or sliding-mode observer estimation. The integrated DSP engine with dual 40-bit accumulators executes 16x16 MAC in one cycle, which keeps the FOC inner loop (Clarke/Park, inverse Park, SVPWM) inside its 50 us window. With 16 KB Flash it fits a complete sensorless PMSM or BLDC drive plus housekeeping UART diagnostics. The extended -40 C to +125 C "E" grade tolerates under-hood automotive cabinet or industrial inverter ambient temperatures. Use it with the dsPIC33F motor-control library and PICkit 4 / ICD 4 debug via PGEC2/PGED2.
Được đề xuất
Digital Switch-Mode Power Supply (SMPS) and PFC
The DSPIC33FJ16GP304-E/PT excels in digital PFC and multi-loop SMPS, where the 16 KB Flash is sufficient for a 2-loop PFC + DC-DC control flow with soft-start, OVP, OCP, and housekeeping. Its 10-bit 1.1 Msps ADC samples the rectified mains current and output voltage with adequate resolution for low-THD PFC, while the 5x 16-bit timers deliver the precise PWM edges needed for totem-pole and bridgeless topologies. The DSP engine's 40-bit accumulator computes the average current loop (16x16 MAC) in a single cycle, minimizing latency in peak-current-mode control. The extended temperature grade ensures long-life operation in industrial PSU environments.
Được đề xuất
LED Lighting Ballasts and Drivers
For high-brightness LED ballasts and architectural lighting drivers, the DSPIC33FJ16GP304-E/PT combines 16 KB Flash with a 1.1 Msps ADC and dual 40-bit accumulators, enabling dimming curve computation, color-mixing algorithms, and active power-factor correction in a single chip. Its PWM generators can drive high-frequency MOSFET bridges directly, eliminating external driver ICs and reducing BOM. The 3.0-3.6 V supply with on-chip 2.5 V regulator simplifies power-tree design in compact downlight form factors, while the extended -40 C to +125 C grade handles enclosed fixture thermals without derating.
Được đề xuất
Industrial Sensor Conditioning and Signal Processing
The DSPIC33FJ16GP304-E/PT is well suited to industrial sensor-conditioning applications such as load-cell signal chains, vibration analyzers, and predictive-maintenance nodes. Its 10-bit 1.1 Msps ADC combined with the DSP engine enables on-the-fly FIR/IIR filtering, RMS calculation, and FFT spectrum analysis directly on the sensor data, eliminating external DSP chips. The 8-channel DMA moves ADC samples to RAM without CPU intervention, freeing the core for communication (UART/SPI/I2C) and fault detection. Two UARTs and two SPIs support simultaneous Modbus RTU master and isolated SPI bridge duties typical in industrial sensor hubs.
Được đề xuất
Automotive Body and HVAC Modules
For body controllers, HVAC blower speed controls, and seat-positioning modules, the DSPIC33FJ16GP304-E/PT delivers 40 MIPS of deterministic control at the extended -40 C to +125 C automotive temperature range. Its 16 KB Flash hosts LIN-stack plus state-machine based actuator control, while the 5x 16-bit timers generate the precise PWM needed for brushed DC and stepper motors in HVAC flaps and seat adjusters. Two UARTs can run LIN bus and a debug console simultaneously. Although the E/PT is not AEC-Q100 qualified, it is widely used in non-safety automotive body modules where cost is the primary constraint.
Được đề xuất
Audio Processing and Effects
The DSPIC33FJ16GP304-E/PT's integrated DSP engine with dual 40-bit accumulators and single-cycle 16x16 MAC makes it a strong fit for low-cost audio effects processors, karaoke mixers, and consumer amplifier DSP pre-processing. The 16 KB Flash is enough for 2-3 simultaneous biquad filters plus reverb or compressor algorithms at 48 kHz sample rate. Two I2S-capable SPIs interface directly to audio CODECs, while the 8-channel DMA moves audio samples without consuming CPU cycles. The extended temperature grade ensures reliable operation in enclosed consumer audio amplifiers.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ16GP304-E/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-H/PT | DSPIC33FJ16GP304-I/PT | DSPIC33FJ16GP304T-E/PT | DSPIC33FJ32GP204-I/PT | DSPIC33FJ32GP202-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) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB (+100%) | 32 KB (+100%) | 16 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB (+100%) | 4 KB (+100%) | 2 KB |
| Max CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Temperature Range | -40 C to +125 C (E) | -40 C to +150 C (H) | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +85 C (I) | -40 C to +150 C (H) |
| Variant Class | GP (General Purpose) | GP | GP | GP | GP | GP | MC (Motor Control) |
| DSP Engine (dual 40-bit ACC + 16x16 MAC) | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Highest operating temperature grade in the GP304 family at -40 C to +125 C (vsDSPIC33FJ16GP304-I/PT)
- Identical 44-pin TQFP package and pinout with H grade upgrade available (vsDSPIC33FJ16GP304-H/PT)
- Single-chip DSP engine replaces external DSP + MCU two-chip solutions (vsDSPIC33FJ32GP204-I/PT)
- On-chip 2.5 V regulator and 8-channel DMA simplify BOM (vsDSPIC33FJ16MC304-H/PT)
Ghi chú thiết kế
The on-chip 2.5 V regulator requires a 4.7 uF to 10 uF low-ESR (<5 ohm) ceramic capacitor on the VCAP pin (pin 19) tied to VSS. According to Microchip datasheet 70290J, the VCAP pin MUST NOT be tied directly to VDD; doing so will damage the internal regulator. Use an X7R-grade ceramic for the VCAP cap to minimize capacitance derating with temperature, and keep the cap within 0.5 cm of the VCAP pin to minimize parasitic inductance. Decouple each VDD pin (pins 2 and 38) with a 100 nF ceramic in parallel with a bulk 4.7-10 uF cap.
Route the PGECx/PGEDx debug pair to a 2x5 0.05-inch header or micro-match connector even on production boards, to retain debug access during prototype bring-up. The 44-pin TQFP provides two pairs (PGEC1/PGED1 on pins 13/14 and PGEC2/PGED2 on pins 40/41); you may use either, but the two pins in a pair cannot be cross-routed across pairs. Place the ICSP connector at the board edge near the MCU, and add 4.7 kohm pull-ups on PGECx/PGEDx to VDD to keep them defined when the programmer is disconnected.
For motor-control and PFC applications, the 10-bit 1.1 Msps ADC performance depends on a clean AVSS/VREF layout. If the application draws switching currents from the same supply, place a ferrite bead between the analog and digital 3.3 V rails, and use a separate AVSS plane tied to VSS at a single point near the MCU. Per Microchip errata, with heavy MCU switching I/O (PWM at 20 kHz) the ADC SNR may drop by 1-2 LSB unless the analog rail is filtered. Sampling caps on ADC pins should be allowed the full 250 ns acquisition window the dsPIC33F ADC needs for 10-bit settling.
Do not exceed the maximum I/O sink/source current of 4 mA per pin or 200 mA total across VDD/VSS rails, otherwise latch-up risk increases. Avoid leaving unused I/O as floating inputs; configure them as outputs or enable the internal weak pull-ups. When migrating from the I-grade to the E-grade variant, verify that your clock configuration still respects the oscillator start-up time at -40 C, since cold-start crystal oscillators can take 100+ ms at the lower end of the temperature range.
Thông tin tuân thủ
RoHS compliant per Microchip product page. E temperature grade (-40 C to +125 C) supports extended industrial use; not AEC-Q100 qualified - choose automotive-qualified dsPIC33F variants if AEC-Q100 is required. Lead-free packaging per Microchip green-compliance policy.