DSPIC33EP16GS504-E/PT - 16-Bit 60 MIPS DSC for Digital Power | Microchip
MPN: DSPIC33EP16GS504-E/PT ✓ Hoạt độngDSPIC33EP16GS504-E/PT Tóm tắt
A digital signal controller combines the computational throughput of a DSP with the peripherals and ease of use of a microcontroller, sitting within the broader hierarchy of MCU -> 16-bit MCU -> DSC -> digital power management IC. DSCs are the standard choice for closed-loop switch-mode power supplies where fast, deterministic control loops execute at hundreds of kilohertz.
The GS-series (SMPS) variant of the dsPIC33EP family is specifically optimized for digital power: it integrates high-speed interconnected PWM modules, an analog-to-digital converter with programmable gain amplifier (PGA), and analog comparators that can trip the PWM outputs in hardware for cycle-by-cycle current limiting without CPU intervention.
Architecturally, the dsPIC33EP core uses a modified Harvard pipeline with DSP multiply-accumulate instructions, enabling control-loop math (PID, 3P3Z compensators) to run deterministically at 60 MIPS. The AEC-Q100 qualification and Functional Safety (FuSa) support package make the -E/PT temperature variant suitable for automotive and safety-related power conversion.
Typical applications include interleaved power factor correction (Microchip publishes a 350W universal-input Interleaved PFC reference design based on this device family), digital AC-DC and DC-DC converters, solar micro-inverters, battery chargers, LED drivers, and automotive onboard chargers.
Design consideration: keep all VDD/VSS pairs decoupled with 0.1uF ceramics placed at each pin, and route high-speed PWM outputs away from the analog PGA inputs to preserve ADC accuracy.
This page synthesizes distributor pricing (as of 2026-09-24), drop-in alternatives, pinout, and practical design notes not found together in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33EP16GS504-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 DSPIC33EP16GS504-E/PT (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Analog Peripherals, Core Architecture, Max CPU Speed.
DSPIC33EP16GS504-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP32GS504-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP32GS504-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP16GS504-E/PT Tỷ lệ tối đa & tính chất điện
| Core | dsPIC33EP 16-bit DSC |
| Max CPU Speed | 60 MIPS |
| Program Memory (FLASH) | 16KB (16K x 8) |
| Supply Voltage Range | 3 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +125C |
| Hộp | 44-TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Qualification | AEC-Q100 qualified, Functional Safety (FuSa) supported |
| Product Family | dsPIC 33EP GS (SMPS / digital power) |
| High-Speed PWM | Interconnected high-speed PWM modules |
| Analog Peripherals | ADC with PGA and analog comparators |
| Programming Interface | ICSP (ICSPCLK/ICSPDAT, multiple PGECx/PGEDx pairs) |
| Debug Support | In-circuit debugging via MPLAB Snap / PICkit |
| Reference Design | Interleaved PFC, universal input, up to 350 W output |
Cấu hình chân DSPIC33EP16GS504-E/PT
| Chân 1 | MCLR — Master clear reset / programming voltage input |
| Chân 2 | AN0/VREF+/CN0/RB0 — Analog input 0 / positive voltage reference |
| Chân 3 | AN1/VREF-/CN1/RB1 — Analog input 1 / negative voltage reference |
| Chân 4 | AN2/CN2/RB2 — Analog input 2 / change notification |
| Chân 5 | AN3/CN3/RB3 — Analog input 3 |
| Chân 6 | AN4/CN4/RB4 — Analog input 4 |
| Chân 7 | VDD — Power supply (3.0V to 3.6V) |
| Chân 8 | VSS — Ground |
| Chân 9 | OSC1/CLKI/CN5/RA2 — Oscillator input / external clock |
| Chân 10 | OSC2/CLKO/RC15 — Oscillator output / clock output |
| Chân 11 | AN5/CN7/RB5 — Analog input 5 |
| Chân 12 | VDD — Power supply |
| Chân 13 | VSS — Ground |
| Chân 14 | AN6/RB6 — Analog input 6 / PWM output (remappable) |
| Chân 15 | AN7/RB7 — Analog input 7 / PWM output (remappable) |
| Chân 16 | AN8/RB8 — Analog input 8 / PWM output (remappable) |
| Chân 17 | AN9/RB9 — Analog input 9 / PWM output (remappable) |
| Chân 18 | TMS/RA3 — Test mode select / input capture, external interrupt |
| Chân 19 | TCK/RA2 — Test clock / input capture, external interrupt |
| Chân 20 | AN10/RA1/RB10 — Analog input 10 / input capture, external interrupt |
| Chân 21 | AN11/RA0/RB11 — Analog input 11 / input capture, external interrupt |
| Chân 22 | VSS — Ground |
| Chân 23 | VDD — Power supply |
| Chân 24 | AN12/RB12 — Analog input 12 |
| Chân 25 | AN13/RB13 — Analog input 13 |
| Chân 26 | AN14/RB14 — Analog input 14 |
| Chân 27 | AN15/RB15 — Analog input 15 |
| Chân 28 | AVDD — Analog power supply (filter to VDD) |
| Chân 29 | AVSS — Analog ground |
| Chân 30 | PWM1H/RE0 — High-speed PWM1 half-bridge high output |
| Chân 31 | PWM1L/RE1 — High-speed PWM1 half-bridge low output |
| Chân 32 | PWM2H/RE2 — High-speed PWM2 half-bridge high output |
| Chân 33 | PWM2L/RE3 — High-speed PWM2 half-bridge low output |
| Chân 34 | PWM3H/RE4 — High-speed PWM3 half-bridge high output |
| Chân 35 | PWM3L/RE5 — High-speed PWM3 half-bridge low output |
| Chân 36 | PWM4H/RE6 — High-speed PWM4 half-bridge high output |
| Chân 37 | PWM4L/RE7 — High-speed PWM4 half-bridge low output |
| Chân 38 | VDD — Power supply |
| Chân 39 | VSS — Ground |
| Chân 40 | RP2/RF2 — Remappable peripheral pin (verify against datasheet) |
| Chân 41 | RP3/RF3 — Remappable peripheral pin (verify against datasheet) |
| Chân 42 | PGED1/RP1 — ICSP data channel 1 / remappable pin |
| Chân 43 | PGEC1/RP0 — ICSP clock channel 1 / remappable pin |
| Chân 44 | PGED3/RP43 — ICSP data channel 3 / remappable pin (verify against datasheet) |
Ứng dụng tiêu biểu
DSPIC33EP16GS504-E/PT phù hợp cho 6 Áp dụngs: Interleaved Power Factor Correction (PFC), Digital AC-DC and DC-DC Power Supplies, Automotive On-Board Chargers and DC-DC, Solar Micro-Inverters, Digital LED Drivers, Battery Chargers and Battery Management.
Interleaved Power Factor Correction (PFC)
Microchip provides a dedicated Interleaved PFC reference design for this GS-family device, operating from universal AC input and delivering a single high-voltage DC output up to 350W. The DSPIC33EP16GS504-E/PT fits this application because its interconnected high-speed PWM can generate two interleaved, phase-shifted switching channels with independent dead-time control, while the ADC with PGA samples inductor current synchronously to the PWM period for average-current-mode control. The 60 MIPS core executes the PFC compensation loop deterministically, and the hardware comparators provide cycle-by-cycle overcurrent protection without CPU latency. The -40C to +125C AEC-Q100 rating also allows the same design to be reused in automotive PFC front ends where elevated ambient temperatures are common.
Được đề xuất
Digital AC-DC and DC-DC Power Supplies
The DSPIC33EP16GS504-E/PT controls digital AC-DC adapters and isolated DC-DC converters (LLC, flyback, phase-shifted full-bridge) by replacing analog control ICs with firmware-defined loops. Its high-speed PWM modules support complementary outputs, dead-time insertion, and fault tripping from the on-chip analog comparators in nanoseconds, which is essential for protecting primary-side MOSFETs during transient overloads. The ADC with PGA accepts small shunt signals directly, reducing external analog circuitry. At 60 MIPS, a 3P3Z compensation loop for an LLC converter executes with tens-of-kHz loop bandwidth headroom. The 3.0V to 3.6V supply and 44-pin TQFP keep the controller section compact and isolatable behind a digital isolator on the secondary or primary side.
Được đề xuất
Automotive On-Board Chargers and DC-DC
With AEC-Q100 qualification, Functional Safety (FuSa) support, and the -E extended temperature grade of -40C to +125C, the DSPIC33EP16GS504-E/PT is suitable for automotive on-board charger (OBC) power stages, auxiliary 12V DC-DC converters, and LED headlamp drivers. The hardware comparators provide fast overcurrent trip for battery-side short-circuit events, while the PWM fault inputs gate outputs without software intervention - a requirement for functional-safety power stages. The 60 MIPS DSP core handles phase-shift control, battery charge-state algorithms, and CAN-frame handling simultaneously. Designers should implement safety mechanisms per Microchip's FuSa package and verify fault response times against their ISO 26262 safety goals during system integration.
Được đề xuất
Solar Micro-Inverters
In a solar micro-inverter, the DSPIC33EP16GS504-E/PT performs maximum power point tracking (MPPT), grid-synchronous DC-AC inversion, and anti-islanding protection in a single controller. The 16-bit DSP core with multiply-accumulate instructions runs MPPT algorithms and grid-current compensation at the 60 MIPS rate without floating-point hardware, keeping firmware cycle budgets predictable. The high-speed PWM generates the unipolar SPWM drive for the H-bridge, the ADC samples grid voltage and current for PLL synchronization and IEEE 1547-style anti-islanding checks, and the -40C to +125C rating suits rooftop enclosures that see extreme thermal cycling. The 16KB FLASH is sufficient for a single-topology MPPT inverter firmware with modest communication code.
Được đề xuất
Digital LED Drivers
For high-power LED lighting - streetlights, automotive headlamps, horticultural fixtures - the DSPIC33EP16GS504-E/PT implements constant-current buck or boost regulation with firmware-adjustable dimming (PWM and analog dimming) and lamp fault detection. The ADC with PGA measures shunt current directly, the comparators protect against LED-string short circuits with cycle-by-cycle limiting, and the 60 MIPS core runs the current loop plus dimming schedules and DALI or 0-10V interface decoding. The -40C to +125C range allows mounting inside sealed luminaires where ambient temperatures exceed 85C, which the -I grade parts cannot tolerate. The 44-pin TQFP also provides enough GPIO for temperature sensing and multi-string sequencing.
Được đề xuất
Battery Chargers and Battery Management
The DSPIC33EP16GS504-E/PT executes multi-stage charge algorithms (CC/CV, trickle, termination) for lithium and lead-acid chargers, sampling battery current and voltage through the PGA-enhanced ADC at rates synchronized to the switching PWM. The hardware comparators deliver immediate overcurrent/overvoltage trip for cell-protection events, while the 60 MIPS core runs coulomb counting and charge-state logic with margin to spare. Its AEC-Q100 qualification and -40C to +125C operation make it valid for automotive and industrial charger environments, where analog control ICs would lack the flexibility for chemistry-specific algorithms and safety logging. The 16KB FLASH comfortably holds a full charge state machine plus fault recording for service diagnostics.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33EP16GS504-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 | DSPIC33EP16GS504-I/PT | DSPIC33EP32GS504-E/PT | DSPIC33EP32GS504-I/PT |
|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Memory | 16KB | 16KB | 32KB | 32KB |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +85C |
| AEC-Q100 Qualification | Qualified | Not qualified (industrial grade) | Qualified | Not qualified (industrial grade) |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
Bảo phân biệt quan trọng
- Extended temperature grade with AEC-Q100 qualification (vsDSPIC33EP16GS504-I/PT)
- Cost and code-size efficiency for single-topology converters (vsDSPIC33EP32GS504-E/PT)
- Hardware cycle-by-cycle current limiting via interconnected PWM and comparators (vsGeneric 16-bit MCUs (e.g., MSP430, PIC24 general-purpose))
Ghi chú thiết kế
The DSPIC33EP16GS504-E/PT requires a 3.0V-3.6V supply. Connect ALL VDD pins (pins 7, 12, 23, 38) with individual 0.1uF ceramic decoupling capacitors placed within 2 mm of each pin, and connect every VSS pin to a solid ground plane. Power AVDD (pin 28) through an RC filter (e.g., 10 ohm + 1uF) or ferrite bead from VDD to keep switching noise out of the ADC/PGA reference path. Estimated: with ~60 mA typical operating current at 3.3V, the controller dissipates under 0.2W, so no heatsinking is needed - thermal design attention belongs on the external power stage, not the DSC.
The device has multiple PGECx/PGEDx pin pairs for ICSP. Per Microchip documentation (northernsoftware.com programming notes), you may use any pair, but ICSPCLK and ICSPDAT must come from the SAME pair - mixing PGEC2 with PGED1 will fail programming. Route your programming header to one chosen pair consistently, and do not load those pins heavily during reset. Also leave MCLR with a 4.7k-10k pull-up to VDD and a 100 ohm-1k series resistor to the programming connector for reliable debug with MPLAB Snap.
Keep high-speed PWM output traces (PORT E, pins 30-37) as short as possible and route them away from AN0-AN15 analog inputs and the AVDD node. Because the comparators can trip PWM outputs in hardware for cycle-by-cycle current limiting, noisy sensing lines can cause spurious fault trips; use Kelvin connections at the current shunt and add small RC filters (e.g., 100 ohm + 1 nF) on comparator inputs. Place the crystal or external clock close to OSC1/OSC2 with short return paths to ground. For EMI, series-terminate long PWM traces with 22-33 ohm resistors at the DSC pins.
Thông tin tuân thủ
AEC-Q100 qualification and Functional Safety (FuSa) support are explicitly stated in DigiKey and GlobalSpec product data. RoHS/REACH/lead-free status was not stated in the retrieved data and must be confirmed on the Microchip product page or LCSC listing before procurement.