DSPIC33FJ16GS402-H/SP - 16-bit SMPS DSC, 50 MIPS, 16KB Flash, SPDIP-28 | Microchip
MPN: DSPIC33FJ16GS402-H/SP ✓ Hoạt độngDSPIC33FJ16GS402-H/SP Tóm tắt
A Digital Signal Controller is a hybrid between a microcontroller (MCU) and a Digital Signal Processor (DSP). It combines deterministic MCU peripherals, interrupts and a C-friendly instruction set with a single-cycle MAC DSP engine, a 40-bit accumulator and a barrel shifter. Within the power-management taxonomy, the dsPIC33F 'GS' family sits between a generic MCU and a dedicated power-conversion DSP, with on-chip high-resolution PWM (1.04 ns PWM edge resolution), dedicated analog comparators and high-speed 10-bit ADCs that simplify multi-loop digital control loops.
Key features include a 16 KB Flash program store, 2 KB SRAM, three 16-bit timers plus one 32-bit timer, a 6-channel 10-bit ADC with up to 4 Msps conversion rate, four analog comparators with 10 ns response time, and four matched PWM channels capable of 1.04 ns edge resolution with 750 ps PWM duty-cycle granularity. The 'H' temperature grade extends the operating range from -40 °C to +150 °C, while the '-50' speed designator confirms the 50 MIPS execution rate (40 MIPS for the '-40' speed bin). Dedicated peripherals such as the PWM Fault input, current reset, and a cycle-by-cycle current-limiting mode allow direct interface to power-stage feedback signals.
Architecture-wise, the device uses a modified Harvard bus with separate program and data paths, a 16-bit-wide datapath, dual 40-bit accumulators, and a DSP engine capable of single-cycle 16x16-bit MAC operations, which is sufficient to execute Type-II/Type-III voltage-mode and average-current-mode compensators at typical SMPS switching frequencies (50 kHz to 1 MHz).
Typical applications include AC-DC converters, isolated and non-isolated DC-DC converters (buck, boost, half-bridge, full-bridge, LLC), Power Factor Correction (PFC) stages, Uninterruptible Power Supplies (UPS), digital lighting ballasts, and solar inverters. The wide -40 °C to +150 °C junction range also supports automotive under-hood and industrial harsh-environment designs.
When designing with this device, reserve adequate Flash for the compensation algorithm and state-machine lookup tables (typical SMPS firmware consumes 6-10 KB). Use the high-speed PWM Fault pin to latch-protect the converter on over-current events, and place a 100 nF decoupling capacitor adjacent to every VDD/VSS pair as recommended in the device BSDL file.
This page synthesizes distributor pricing, same-brand drop-in alternatives in the SPDIP-28 footprint, and practical design notes that complement, but do not replace, the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ16GS402-H/SP — 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 DSPIC33FJ16GS402-H/SP (cùng hình factor và footprint) — khác nhau ở Analog Comparators, Package, ADC, Core Architecture, Mounting Type.
DSPIC33FJ16GS402-50I/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ16GS402-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ16GS402-50E/SP
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ16GS402-I/SP
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ16GS402-E/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ16GS402-H/SP Tỷ lệ tối đa & tính chất điện
| Product Type | 16-bit Digital Signal Controller (DSC) |
| Series | dsPIC33FJ16GS402 |
| Program Memory (Flash) | 16 KB |
| Data Memory (SRAM) | 2 KB |
| CPU Speed | 50 MIPS (40 MIPS for -40 speed bin) |
| Operating Frequency | Up to 50 MHz |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Timers | 3 x 16-bit + 1 x 32-bit |
| ADC | 6-channel, 10-bit, up to 4 Msps |
| Analog Comparators | 4 with 10 ns response time |
| PWM Channels | 4 matched channels, 1.04 ns edge resolution |
| PWM Duty-Cycle Resolution | 750 ps granularity |
| DSP Engine | Single-cycle 16x16 MAC, dual 40-bit accumulators, barrel shifter |
| Hộp | SPDIP-28 (Skinny Plastic DIP, 0.300", through-hole) |
| Số chân | 28 |
| Nhiệt độ hoạt động | -40 °C to +150 °C (H grade) |
| Kiểu lắp đặt | Through-Hole |
| Pitch | 2.54 mm |
| ICSP/ICD Debug | Yes (PGECx/PGEDx pairs) |
| Boundary Scan | Yes (BSDL available) |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC33FJ16GS402-H/SP
| Chân 1 | MCLR — Master Clear (active-low reset input) |
| Chân 2 | RA0 — I/O / AN0 / PWM1H (multiplexed) |
| Chân 3 | RA1 — I/O / AN1 / PWM1L (multiplexed) |
| Chân 4 | RA2 — I/O / AN2 / PWM2H (multiplexed) |
| Chân 5 | RB0 — I/O / AN3 / PWM2L (multiplexed) |
| Chân 6 | RB9 — I/O / PWM Fault / C1OUT (multiplexed) |
| Chân 7 | RB10 — I/O / C2OUT / PWM3H (multiplexed) |
| Chân 8 | VSS1 — Digital ground (primary supply pair) |
| Chân 9 | RB1 — I/O / AN4 / PWM3L (multiplexed) |
| Chân 10 | RB2 — I/O / AN5 / PWM4H (multiplexed) |
| Chân 11 | RB3 — I/O / AN6 / PWM4L (multiplexed) |
| Chân 12 | RB4 — I/O / AN7 / IC1 (multiplexed) |
| Chân 13 | VDD1 — Digital supply (primary supply pair, 3.0-3.6 V) |
| Chân 14 | RB8 — I/O / IC2 / C3OUT (multiplexed) |
| Chân 15 | RB15 — I/O / PWM Fault 2 (multiplexed) |
| Chân 16 | VSS2 — Digital ground (secondary) |
| Chân 17 | RB5 — I/O / AN8 / IC3 (multiplexed) |
| Chân 18 | RB6 — I/O / AN9 / PWM5H (multiplexed) |
| Chân 19 | RB7 — I/O / AN10 / PWM5L (multiplexed) |
| Chân 20 | VDD2 — Digital supply (secondary, 3.0-3.6 V) |
| Chân 21 | RB11 — I/O / PWM6H / C4OUT (multiplexed) |
| Chân 22 | RB12 — I/O / PWM6L (multiplexed) |
| Chân 23 | RB13 — I/O / AN11 / PWM7H (multiplexed) |
| Chân 24 | RB14 — I/O / AN12 / PWM7L (multiplexed) |
| Chân 25 | RA3 — I/O / AN13 / VREF+ (multiplexed) |
| Chân 26 | RA4 — I/O / AN14 / VREF- (multiplexed) |
| Chân 27 | RA5 — I/O / AN15 / OSCI (crystal oscillator input) |
| Chân 28 | RA6 — I/O / OSCO (crystal oscillator output) |
Ứng dụng tiêu biểu
DSPIC33FJ16GS402-H/SP phù hợp cho 6 Áp dụngs: AC-DC Power Supply Control, Digital Power Factor Correction (PFC), Uninterruptible Power Supply (UPS) Controller, Isolated DC-DC Converter Control, Digital Lighting Ballast, Solar Microinverter Controller.
AC-DC Power Supply Control
The DSPIC33FJ16GS402-H/SP fits AC-DC converter control because its four 1.04 ns-resolution PWM outputs directly drive a PFC MOSFET and the LLC/QR primary-side switch with cycle-by-cycle current limiting. The 4 Msps ADC simultaneously samples rectified mains voltage and shunt current, while the 50 MIPS DSP executes average-current-mode compensation with single-cycle 16x16 MAC ops. Compared with a generic MCU, the 'GS' family integrates high-speed analog comparators that latch-protect the converter on over-current within 10 ns - critical for short-circuit robustness in off-line supplies.
Được đề xuất
Digital Power Factor Correction (PFC)
Digital PFC stages require sub-5-microsecond control loops and clean current sensing - exactly what the DSPIC33FJ16GS402-H/SP provides. Its four matched PWM channels with 750 ps duty-cycle resolution drive the boost PFC switch at 50-200 kHz, and its 6-channel 10-bit ADC sampled at 4 Msps tracks the rectified 50/60 Hz mains waveform. The 50 MIPS DSP engine executes Type-II voltage-loop and average-current-mode inner-current-loop compensators within 2-3 microseconds, leaving headroom for housekeeping tasks. The H-grade -40C to +150C range supports industrial PFC stages near power-stage heat sources.
Được đề xuất
Uninterruptible Power Supply (UPS) Controller
The DSPIC33FJ16GS402-H/SP serves as the main digital controller in online double-conversion UPS systems, where it must regulate the PFC front-end, battery-charge converter and inverter simultaneously. The 16 KB Flash holds the entire state machine for grid/battery mode transitions, while the 2 KB SRAM manages per-cycle ADC and PWM update tables. The 4 high-speed analog comparators provide instantaneous hardware-level over-current protection independent of firmware - critical for fault response time during inverter short-circuits. The H-grade temperature rating supports operation inside the UPS enclosure where ambient can exceed 85 °C under full load.
Được đề xuất
Isolated DC-DC Converter Control
For isolated DC-DC topologies such as full-bridge, half-bridge and LLC, the DSPIC33FJ16GS402-H/SP provides the four matched PWM outputs needed to drive the primary switches with programmable dead-band and 1.04 ns edge resolution. The dedicated analog comparators implement cycle-by-cycle peak current mode control with 10 ns response, and the 4 Msps ADC samples the secondary-side voltage and current feedback at up to 4 million samples per second. The 50 MIPS DSP bandwidth executes Type-III compensation and feed-forward at 100-500 kHz switching frequencies without saturating CPU utilization.
Được đề xuất
Digital Lighting Ballast
The DSPIC33FJ16GS402-H/SP is well suited for HID and fluorescent electronic ballast control because its 4 high-speed PWM channels can drive a half-bridge resonant inverter at 50 kHz-1 MHz with programmable dead-time, while its ADC samples the lamp current and voltage for closed-loop power regulation. The DSP engine computes the resonant-tank zero-voltage-switching (ZVS) phase in real time, maximizing ballast efficiency. The 16 KB Flash stores warm-up, run-up and steady-state lamp profiles for multiple lamp types, and the H-grade temperature range supports operation inside the luminaire where junction temperatures can reach 125 °C.
Được đề xuất
Solar Microinverter Controller
In grid-tied solar microinverter designs, the DSPIC33FJ16GS402-H/SP performs both MPPT (Maximum Power Point Tracking) on the PV panel side and anti-islanding grid synchronization on the AC side. Its 4 PWM channels drive the high-frequency DC-DC stage and the grid-connected DC-AC inverter, while the 4 Msps ADC samples PV voltage/current and grid voltage. The 50 MIPS DSP executes the perturb-and-observe or incremental-conductance MPPT algorithm at >10 kHz update rate and the PLL grid-sync loop at 50/60 Hz. The H temperature grade supports outdoor junction temperatures up to 150 °C in sealed enclosure designs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ16GS402-H/SP — 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 | DSPIC33FJ16GS402-50I/SP | DSPIC33FJ16GS402-E/SO | DSPIC33FJ16GS402-50E/SP | DSPIC33FJ16GS402-I/SP | DSPIC33FJ16GS402-E/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SPDIP-28 (through-hole) | SPDIP-28 (same) | SOIC-28 (surface-mount) | SPDIP-28 (same) | SPDIP-28 (same) | SPDIP-28 (same) |
| Program Memory (Flash) | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Data Memory (SRAM) | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| CPU Speed | 50 MIPS | 50 MIPS | 50 MIPS | 40 MIPS (-20%) | 50 MIPS | 50 MIPS |
| Operating Temperature | -40C to +150C (H grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
| ADC | 6-ch, 10-bit, 4 Msps | 6-ch, 10-bit, 4 Msps | 6-ch, 10-bit, 4 Msps | 6-ch, 10-bit, 4 Msps | 6-ch, 10-bit, 4 Msps | 6-ch, 10-bit, 4 Msps |
| PWM Channels | 4 matched, 1.04 ns edge resolution | 4 matched, 1.04 ns edge resolution | 4 matched, 1.04 ns edge resolution | 4 matched, 1.04 ns edge resolution | 4 matched, 1.04 ns edge resolution | 4 matched, 1.04 ns edge resolution |
| Analog Comparators | 4 with 10 ns response | 4 with 10 ns response | 4 with 10 ns response | 4 with 10 ns response | 4 with 10 ns response | 4 with 10 ns response |
Bảo phân biệt quan trọng
- Widest factory-tested temperature range in SPDIP-28 footprint (vsDSPIC33FJ16GS402-50I/SP)
- Through-hole package for prototype and high-reliability builds (vsDSPIC33FJ16GS402-E/SO)
- 50 MIPS peak throughput for demanding SMPS control loops (vsDSPIC33FJ16GS402-50E/SP)
Ghi chú thiết kế
Estimated: the DSPIC33FJ16GS402-H/SP core draws approximately 30-50 mA at 50 MIPS from a 3.3 V supply, with the ADC adding 5-10 mA when actively sampling and PWM outputs each contributing 10-25 mA peak gate-drive current. Place a 100 nF X7R ceramic decoupling capacitor adjacent to every VDD/VSS pair (pins 13/8 and pins 20/16), plus a bulk 10 uF tantalum or ceramic on the main VDD1 node. The 2.5 V internal regulator output (VCAP) requires a 10 uF low-ESR ceramic bypass to VSS.
Estimated: the SPDIP-28 package has theta_JA of approximately 75 C/W in still air on a standard 2-layer FR4 PCB. At 50 MIPS with all four PWM outputs switching at 250 kHz, internal power dissipation typically reaches 200-300 mW, producing a junction temperature rise of 15-25 C above ambient. The H-grade rating allows up to +150 C junction, providing more than adequate thermal margin for typical SMPS digital-controller applications without external heatsinking.
Route the high-speed analog comparator inputs (C1IN-C4IN) away from the PWM output traces to avoid capacitive coupling that can falsely trigger cycle-by-cycle current limiting. Place the 0.1 uF input capacitors on the analog comparator inputs as close to the device pins as possible. For the crystal oscillator at OSCI/OSCO (pins 27/28), keep the traces short and symmetric, surround them with a ground guard ring, and place the load capacitors within 5 mm of the pins.
Do not exceed 3.6 V on any VDD pin; the DSPIC33FJ16GS402-H/SP is NOT 5 V tolerant on any I/O, and exceeding the abs-maximum VDD of 4.0 V will permanently damage the device. Use the ICSP PGECx/PGEDx pairs (any pair works, but must be tied together as a pair - for example, PGEC2 with PGED2) for in-circuit programming, and add a 4.7 kohm pull-up on MCLR for reliable reset behaviour. When using the high-speed ADC at 4 Msps, populate the VREF+ pin (pin 25) with a buffered reference rather than tying it directly to VDD.
Keep PWM output traces (RB0/RB1/RB2/RB3 and others) short and away from the ADC analog inputs (RA0-RA2, RB0, RB4) to minimize switching noise coupling. Provide a single-point ground connection between the analog ground (AVSS), digital ground (VSS) and the power-stage ground, with separate analog and digital ground planes joined only at the controller. The BSDL-defined pinout from Microchip's BSDL file confirms the exact pin assignments used in this design.
Thông tin tuân thủ
RoHS compliant with matte-tin lead finish per Microchip product environmental compliance documentation. 'H' grade indicates extended operating temperature but is not a formal AEC-Q100 automotive qualification; for AEC-Q100 qualified devices, consult Microchip's dsPIC33 automotive product family.
