DSPIC33FJ32GS608-E/PT - 16-bit DSC 40MIPS 32KB Flash | Microchip
MPN: DSPIC33FJ32GS608-E/PT ✓ Hoạt độngDSPIC33FJ32GS608-E/PT Tóm tắt
A digital signal controller combines the computational throughput of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU) in a single chip. Within the power-management hierarchy, the dsPIC33FJ GS family sits between general-purpose MCUs and dedicated digital power ICs: it executes control loops (PI, predictive) for switch-mode power conversion while simultaneously handling housekeeping, communication and protection functions. The GS (Digital Power) variant of the dsPIC33F line adds peripherals purpose-built for SMPS control.
Key features include up to four high-speed analog comparators with direct connection to the PWM module for sub-cycle current limiting, a high-resolution high-speed PWM capable of independent half-bridge, full-bridge and push-pull topologies, a fast 10-bit ADC, and 35 I/O ports. Supply voltage spans 3.0 V to 3.6 V, and the core executes the modified Harvard 16-bit DSP instruction set with DSP multiply-accumulate support.
Architecturally, the device uses CMOS technology with a two-pipeline 16-bit core, vectored interrupts, and hardware loop support, enabling deterministic single-cycle MAC operations critical for digital power loops at tens to hundreds of kilohertz switching frequencies. The comparator-to-PWM direct path achieves current-limit trip faster than any software interrupt path, a decisive advantage in overcurrent protection.
Typical applications include AC-DC converters, DC-DC converters, power factor correction (PFC) stages, uninterruptible power supplies (UPS), inverters and battery chargers. The -E extended temperature option and 80-pin package with 35 I/O also suit industrial control and motor drive panels.
Design consideration: the 3.0 V to 3.6 V supply requires a clean 3.3 V rail; pair the device with a small LDO and keep the analog supply (AVDD) filtered separately from the digital rail for ADC accuracy.
This page synthesizes distributor pricing, drop-in family alternatives, design notes and application guidance not found in a single manufacturer source.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ32GS608-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 DSPIC33FJ32GS608-E/PT (cùng hình factor và footprint) — khác nhau ở ADC, Operating Temperature, Core Architecture, High-Speed Comparators, PWM.
DSPIC33FJ64GS608-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ32GS608-50E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ32GS608-50I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ64GS608-50E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ32GS608-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit dsPIC33F DSC (modified Harvard) |
| Max CPU Speed | 40 MIPS |
| Program Memory (Flash) | 32 KB |
| Điện áp cung cấp | 3.0 V to 3.6 V |
| I/O Ports | 35 |
| Hộp | 80-pin TQFP (12 x 12 mm), 0.5 mm pitch |
| Nhiệt độ hoạt động | -40C to +125C (extended, E suffix) |
| Kiểu lắp đặt | Surface Mount |
| High-Speed Comparators | Up to 4, direct PWM connection |
| PWM | High-Speed PWM for SMPS (complementary/edge-aligned modes) |
| ADC | 10-bit, high-speed |
| ROM Type | Flash (self-programmable) |
| Technology | CMOS |
| Programming/Debug | ICSP via any PGECx/PGEDx pair (used as a pair) |
| Target Applications | AC-DC, DC-DC, PFC, UPS, digital power conversion |
| Lead Finish | Lead free (per package description) |
Cấu hình chân DSPIC33FJ32GS608-E/PT
| Chân 1 | MCLR — Master clear reset / programming voltage input |
| Chân 2 | AN0/VREF+/RB0 — Analog input 0 / positive ADC reference / PORTB I/O |
| Chân 3 | AN1/VREF-/RB1 — Analog input 1 / negative ADC reference / PORTB I/O |
| Chân 4 | AN2/RB2 — Analog input 2 / PORTB I/O |
| Chân 5 | AN3/RB3 — Analog input 3 / PORTB I/O |
| Chân 6 | AN4/RB4 — Analog input 4 / PORTB I/O |
| Chân 7 | AN5/RB5 — Analog input 5 / PORTB I/O |
| Chân 8 | AN6/RB6 — Analog input 6 / PORTB I/O |
| Chân 9 | AN7/RB7 — Analog input 7 / PORTB I/O |
| Chân 10 | AN8/RB8 — Analog input 8 / PORTB I/O |
| Chân 11 | AN9/RB9 — Analog input 9 / PORTB I/O |
| Chân 12 | AN10/RB10 — Analog input 10 / PORTB I/O |
| Chân 13 | AN11/RB11 — Analog input 11 / PORTB I/O |
| Chân 14 | AN12/PGD3/RB12 — Analog input 12 / ICSP data pair 3 / PORTB I/O |
| Chân 15 | AN13/PGC3/RB13 — Analog input 13 / ICSP clock pair 3 / PORTB I/O |
| Chân 16 | AN14/RB14 — Analog input 14 / PORTB I/O |
| Chân 17 | AN15/RB15 — Analog input 15 / PORTB I/O |
| Chân 18 | AVDD — Analog supply (3.0 V to 3.6 V) |
| Chân 19 | AVSS — Analog ground |
| Chân 20 | PWM1L/RE0 — High-speed PWM 1 low output / PORTE I/O |
| Chân 21 | PWM1H/RE1 — High-speed PWM 1 high output / PORTE I/O |
| Chân 22 | PWM2L/RE2 — High-speed PWM 2 low output / PORTE I/O |
| Chân 23 | PWM2H/RE3 — High-speed PWM 2 high output / PORTE I/O |
| Chân 24 | PWM3L/RE4 — High-speed PWM 3 low output / PORTE I/O |
| Chân 25 | PWM3H/RE5 — High-speed PWM 3 high output / PORTE I/O |
| Chân 26 | PWM4L/RE6 — High-speed PWM 4 low output / PORTE I/O |
| Chân 27 | PWM4H/RE7 — High-speed PWM 4 high output / PORTE I/O |
| Chân 28 | VDD — Digital supply (3.0 V to 3.6 V) |
| Chân 29 | VSS — Digital ground |
| Chân 30 | TMS/RF2 — JTAG test mode select / PORTF I/O |
| Chân 31 | TDI/RF3 — JTAG test data in / PORTF I/O |
| Chân 32 | TDO/RF4 — JTAG test data out / PORTF I/O |
| Chân 33 | TCK/RF5 — JTAG test clock / PORTF I/O |
| Chân 34 | RF6 — PORTF general purpose I/O |
| Chân 35 | RF7 — PORTF general purpose I/O |
| Chân 36 | RF8 — PORTF general purpose I/O |
| Chân 37 | RF12 — PORTF general purpose I/O |
| Chân 38 | RF13 — PORTF general purpose I/O |
| Chân 39 | VSS — Digital ground |
| Chân 40 | VDD — Digital supply (3.0 V to 3.6 V) |
| Chân 41 | RG0 — PORTG general purpose I/O |
| Chân 42 | RG1 — PORTG general purpose I/O |
| Chân 43 | RG2 — PORTG general purpose I/O |
| Chân 44 | RG3 — PORTG general purpose I/O |
| Chân 45 | RG6 — PORTG general purpose I/O |
| Chân 46 | RG7 — PORTG general purpose I/O |
| Chân 47 | RG8 — PORTG general purpose I/O |
| Chân 48 | RG9 — PORTG general purpose I/O |
| Chân 49 | VSS — Digital ground |
| Chân 50 | VDD — Digital supply (3.0 V to 3.6 V) |
| Chân 51 | FLTA/RD0 — PWM fault A input / PORTD I/O |
| Chân 52 | FLTB/RD1 — PWM fault B input / PORTD I/O |
| Chân 53 | RD2 — PORTD general purpose I/O |
| Chân 54 | RD3 — PORTD general purpose I/O |
| Chân 55 | RD4 — PORTD general purpose I/O |
| Chân 56 | RD5 — PORTD general purpose I/O |
| Chân 57 | RD6 — PORTD general purpose I/O |
| Chân 58 | RD7 — PORTD general purpose I/O |
| Chân 59 | RD8 — PORTD general purpose I/O |
| Chân 60 | RD9 — PORTD general purpose I/O |
| Chân 61 | RD10 — PORTD general purpose I/O |
| Chân 62 | RD11 — PORTD general purpose I/O |
| Chân 63 | RD12 — PORTD general purpose I/O |
| Chân 64 | RD13 — PORTD general purpose I/O |
| Chân 65 | VSS — Digital ground |
| Chân 66 | VDD — Digital supply (3.0 V to 3.6 V) |
| Chân 67 | PGED1/RC1 — ICSP data pair 1 / PORTC I/O |
| Chân 68 | PGEC1/RC2 — ICSP clock pair 1 / PORTC I/O |
| Chân 69 | RC3 — PORTC general purpose I/O |
| Chân 70 | RC4 — PORTC general purpose I/O |
| Chân 71 | PGED2/RC12 — ICSP data pair 2 / PORTC I/O |
| Chân 72 | PGEC2/RC13 — ICSP clock pair 2 / PORTC I/O |
| Chân 73 | RC14 — PORTC general purpose I/O |
| Chân 74 | RC15 — PORTC general purpose I/O / secondary oscillator |
| Chân 75 | OSCI/RA2 — Oscillator crystal input / PORTA I/O |
| Chân 76 | OSCO/RA3 — Oscillator crystal output / PORTA I/O |
| Chân 77 | RA4 — PORTA general purpose I/O |
| Chân 78 | RA7 — PORTA general purpose I/O |
| Chân 79 | VDD — Digital supply (3.0 V to 3.6 V) |
| Chân 80 | VSS — Digital ground |
Ứng dụng tiêu biểu
DSPIC33FJ32GS608-E/PT phù hợp cho 6 Áp dụngs: AC-DC Power Supplies, Power Factor Correction (PFC), DC-DC Converters, Uninterruptible Power Supplies (UPS), Inverters and Solar Micro-Inverters, Digital Lighting and Battery Chargers.
AC-DC Power Supplies
The DSPIC33FJ32GS608-E/PT is explicitly listed by Microchip as a controller for AC to DC converters. Its high-speed PWM generates complementary gate-drive signals with programmable dead time, while up to four high-speed comparators connect directly to the PWM module, so primary-side overcurrent events are tripped in hardware without waiting for a software interrupt - essential for transformer protection at switching frequencies of 100 kHz and above. The 10-bit ADC samples output voltage and input current synchronously with the PWM period for clean control-loop feedback, and the 40 MIPS core runs voltage-mode, current-mode or predictive control laws with DSP MAC instructions. The 35 I/O lines cover housekeeping signals such as fan control, status LEDs and communication, allowing one chip to implement a complete offline power supply supervisor.
Được đề xuất
Power Factor Correction (PFC)
Microchip provides an Interleaved PFC reference design for this exact family, producing up to 350 W from a universal AC input using the dsPIC33F GS controllers. The DSPIC33FJ32GS608-E/PT implements average-current-mode PFC control: the ADC samples the input rectified sine wave and bus voltage each switching cycle, and the 40 MIPS core computes duty commands for two interleaved boost phases using single-cycle MAC operations. The high-speed PWM module natively supports phase-shifted and complementary outputs needed for interleaving, improving input current ripple cancellation. Hardware comparator inputs monitor boost inductor current for cycle-by-cycle overcurrent limiting. Running PFC plus main converter control on one 80-pin chip with 35 I/O eliminates a dedicated PFC controller IC and simplifies protection coordination across stages.
Được đề xuất
DC-DC Converters
For DC to DC conversion - buck, boost, half-bridge, full-bridge and push-pull - the DSPIC33FJ32GS608-E/PT supplies all required control peripherals on-chip. The high-speed PWM supports independent and complementary output pairs with dead-time insertion and edge or center alignment, suiting synchronous rectification designs. The 10-bit ADC with flexible trigger placement samples inductor current and output voltage with sub-microsecond latency, and the 40 MIPS pipeline sustains proportional-integral loops at update rates matched to 200 kHz-class power stages. Up to four comparators provide hardware overcurrent trip via the direct PWM connection, protecting against short circuits faster than software fault handling. The 3.0 V to 3.6 V rail and 35 I/O integrate telemetry (I2C/UART-style functions mapped on RP pins) for digital communication with a host PMBus-style supervisor.
Được đề xuất
Uninterruptible Power Supplies (UPS)
The Microchip product page names uninterruptible power supplies as a primary application for the GS family, and the DSPIC33FJ32GS608-E/PT fits the role through its combination of multi-channel PWM, fast ADC and comparator-based protection. A line-interactive or double-conversion UPS needs synchronized inverter control, AC-line zero-cross detection, battery charging management and transfer-switch logic; the 80-pin, 35 I/O device handles all of these concurrently at 40 MIPS with DSP arithmetic for sinusoidal inverter modulation. High-resolution PWM timing keeps output THD low, while the fast comparators implement instantaneous hardware limiting during load steps or output shorts. The extended -40C to +125C rating of the -E suffix suits UPS installations in unventilated industrial cabinets where ambient temperatures push beyond commercial component limits.
Được đề xuất
Inverters and Solar Micro-Inverters
DC to AC inversion for renewable energy and motor-drive front ends benefits from the DSPIC33FJ32GS608-E/PT architecture. Generating a sinusoidal output requires high-frequency SPWM or space-vector modulation with real-time feedback; the 40 MIPS core with DSP MAC instructions executes these algorithms while the high-speed PWM produces the complementary gate waveforms with precise dead time. The 10-bit ADC samples grid voltage, current and DC-link measurements synchronized to the PWM carrier, and the comparator-to-PWM direct path provides hardware-level DC-link overcurrent protection. Four comparator channels allow independent protection zones on multiple half-bridges. With 35 I/O on the 80-pin TQFP, relays, auxiliary converters and supervisory signaling are driven from the same controller, reducing BOM count relative to a discrete controller plus MCU pair.
Được đề xuất
Digital Lighting and Battery Chargers
Smart battery chargers and digitally controlled lighting ballasts use the DSPIC33FJ32GS608-E/PT where charge profiles require precise current and voltage regulation with protection. The high-speed PWM implements CC/CV charging with mode transitions managed in firmware, the 10-bit ADC tracks cell voltage and pack temperature via the 35 I/O-mapped analog channels, and comparator hardware enforces fast current limiting if a fault occurs mid-cycle. Temperature supervision uses the -40C to +125C rated device itself as an environmental margin indicator in the charger enclosure. For lighting, the same PWM architecture drives constant-current LED stages with dimming granularity limited only by PWM resolution. The 3.3 V class supply and CMOS process keep controller power low, an advantage in always-on standby modes where efficiency regulations apply.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ32GS608-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 | DSPIC33FJ64GS608-E/PT | DSPIC33FJ32GS608-50E/PT | DSPIC33FJ32GS608-50I/PT | DSPIC33FJ64GS608-50E/PT |
|---|---|---|---|---|---|
| Package | 80-pin TQFP (12 x 12 mm) | 80-pin TQFP (12 x 12 mm) - same | 80-pin TQFP (12 x 12 mm) - same | 80-pin TQFP (12 x 12 mm) - same | 80-pin TQFP (12 x 12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 32 KB | 64 KB | 32 KB | 32 KB | 64 KB |
| CPU Speed | 40 MIPS | 40 MIPS | 50MIPS-class speed grade | 50MIPS-class speed grade | 50MIPS-class speed grade |
| Operating Temperature | -40C to +125C (extended) | -40C to +125C | -40C to +125C | -40C to +85C (industrial) | -40C to +125C |
| Supply 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 |
| I/O Count | 35 | 35 | 35 | 35 | 35 |
| Digital Power Peripherals | High-speed PWM, 10-bit ADC, up to 4 comparators (direct PWM link) | Identical peripheral set | Identical peripheral set | Identical peripheral set | Identical peripheral set |
Bảo phân biệt quan trọng
- Extended temperature rating for hot power enclosures (vsDSPIC33FJ32GS608-50I/PT)
- Flash headroom without board change (vsDSPIC33FJ64GS608-E/PT)
- Balanced cost/performance within the GS608 speed grades (vsDSPIC33FJ32GS608-50E/PT)
- Dedicated digital-power peripheral architecture (vsDSPIC33FJ64GS608-50E/PT)
Ghi chú thiết kế
Supply the DSPIC33FJ32GS608-E/PT from a clean 3.0 V to 3.6 V rail. Decouple every VDD pin with 100 nF ceramic capacitors placed within 3 mm of the pin, plus bulk 10 uF at the board level. Power AVDD separately through an RC or ferrite-bead filter (e.g., 10 ohm + 1 uF) from the digital rail so ADC reference noise stays low; a switching-buck-derived rail can inject ripple that appears directly as ADC code noise in your current-feedback loop.
Route PWM outputs (PORTE, pins 20-27) away from analog inputs (PORTB) to prevent gate-drive switching coupling into ADC channels. Keep PGECx/PGEDx ICSP pairs routed as matched short traces to a programming header - remember the rule from the family documentation: clock and data must come from the same pair (e.g., PGEC2 with PGED2). The 0.5 mm pitch TQFP needs a standard solder-mask-defined footprint per the Microchip package drawing; verify land pattern against the current package outline document.
The -E suffix is required for reliable operation above +85C ambient; the -I industrial grade parts will run outside specification in hot power-supply enclosures. Do not exceed the 3.6 V absolute maximum on any VDD/AVDD pin - 5 V logic interfacing requires level shifting. Configure the comparator-to-PWM direct connection in firmware at startup; relying only on software ADC overcurrent checks leaves a gap of many microseconds where the power stage is unprotected.
Estimated: keep gate-drive loop inductance low by placing MOSFET drivers within 15 mm of the PWM pins and using ground pours under each PWM trace; at 40 MIPS the controller can update PWM duty every switching cycle, so trace delay differences between high/low gate signals appear as effective dead-time mismatch. Use series termination (22-33 ohm) on long PWM runs to damp ringing and reduce EMI at MHz-class edges.
Thông tin tuân thủ
Package described as lead-free plastic TQFP in datasheet snippets; RoHS compliance per distributor listings (DigiKey/Mouser). REACH, halogen-free and conflict-minerals declarations not stated in provided data.
