DSPIC33EP16GS505T-E/PT - 16-bit DSC, 70 MIPS Digital Power | Microchip
MPN: DSPIC33EP16GS505T-E/PT ✓ Hoạt độngDSPIC33EP16GS505T-E/PT Tóm tắt
A Digital Signal Controller combines the computational throughput of a DSP core with the peripheral set and deterministic behavior of a microcontroller. In the power-management hierarchy, a DSC sits above general-purpose MCUs for closed-loop conversion tasks, replacing analog control loops with firmware-executed compensation in switch-mode power supplies (SMPS), power factor correction (PFC) stages, and digital lighting or battery chargers.
Key features include an interconnected high-speed PWM module purpose-built for digital power topologies, a high-speed 10/12-bit ADC with an embedded PGA that removes external signal-conditioning circuitry, and on-chip comparators that enable cycle-by-cycle current limiting. The dsPIC33EP core executes one instruction per cycle at up to 70 MIPS, providing the loop bandwidth needed for interleaved and multiphase converters.
Technically, the device belongs to the dsPIC33EP16GS50x family - 16-bit Digital Signal Controllers for digital power applications with interconnected high-speed PWM, ADC, PGA and comparators, per the Microchip family datasheet. Peripherals are internally interconnected, allowing fault and trigger signals to propagate without CPU intervention, which shortens protection latency and reduces interrupt load. The -E extended temperature grade (up to +125C ambient) and AEC-Q100 qualification reported by distributors make it suitable for automotive power modules.
Typical applications include interleaved power factor correction (Microchip publishes a 350 W universal-input interleaved PFC reference design for this family), digitally controlled AC-DC and DC-DC SMPS, and LED drivers or battery chargers requiring fast, deterministic control loops.
Design consideration: budget the 16 KB Flash carefully - digital power compensation routines, state machines, and communication stacks share a small program space; use compiler optimization and fixed-point libraries sized for the GS505 memory class.
This page synthesizes distributor inventory data, family-level design guidance, and drop-in substitution analysis not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33EP16GS505T-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 DSPIC33EP16GS505T-E/PT (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, RoHS Status.
DSPIC33EP16GS505-I/PT
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Xem tài liệu →DSPIC33EP16GS505T-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit dsPIC33EP DSC |
| Max CPU Speed | 70 MIPS (Mouser listing); 60 MIPS (DigiKey listing) |
| Program Memory (Flash) | 16 KB (16K x 8) |
| Điện áp cung cấp | 3.3 V |
| Hộp | 48-TQFP-EP (7x7 mm), exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +125C (E extended grade) |
| Qualification | Automotive, AEC-Q100 (per distributor listing) |
| Family | dsPIC33EP16GS50x (Digital Power SMPS) |
| Specialized Peripherals | High-speed interconnected PWM, high-speed ADC, PGA, comparators, DAC |
| Packaging | Tape & Reel (T suffix) |
| Programming / Debug | ICSP via PGEC/PGED, MPLAB SNAP / ICD / PICkit |
| Trạng thái RoHS | ROHS3 Compliant |
| Typical Application Domain | Digital Switch-Mode Power Supplies, PFC, LED drivers, battery chargers |
| Functional Safety Support | FuSa class part (per DigiKey listing) |
Cấu hình chân DSPIC33EP16GS505T-E/PT
| Chân 1 | MCLR — Master clear reset / programming voltage input |
| Chân 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive ADC reference / CN2 / port RB0 |
| Chân 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative ADC reference / CN3 / port RB1 |
| Chân 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select 1 / CN4 / port RB2 |
| Chân 5 | AN3/INDX/CN5/RB3 — Analog input 3 / encoder index / CN5 / port RB3 |
| Chân 6 | AN4/QEA/CN6/RB4 — Analog input 4 / encoder phase A / CN6 / port RB4 |
| Chân 7 | VDD — Positive supply (3.3 V) |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKI/CN7/RA2 — Oscillator crystal input / external clock input |
| Chân 10 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output |
| Chân 11 | VDD — Positive supply (3.3 V) |
| Chân 12 | VSS — Ground reference |
| Chân 13 | AN5/QEB/CN7/RB5 — Analog input 5 / encoder phase B / port RB5 |
| Chân 14 | PGEC1/AN6/OCM1A/RB6 — Programming clock 1 / analog input 6 / PWM output / port RB6 |
| Chân 15 | PGED1/AN7/OCM1B/RB7 — Programming data 1 / analog input 7 / PWM output / port RB7 |
| Chân 16 | AN8/OCM2A/RB8 — Analog input 8 / PWM output / port RB8 |
| Chân 17 | AN9/OCM2B/RB9 — Analog input 9 / PWM output / port RB9 |
| Chân 18 | TCK/RP20/RC0 — JTAG test clock / remappable pin RP20 / port RC0 |
| Chân 19 | TDI/RP21/RC1 — JTAG test data in / remappable pin RP21 / port RC1 |
| Chân 20 | TDO/RP22/RC2 — JTAG test data out / remappable pin RP22 / port RC2 |
| Chân 21 | RP23/RC3 — Remappable peripheral pin RP23 / port RC3 |
| Chân 22 | RP24/RC4 — Remappable peripheral pin RP24 / port RC4 |
| Chân 23 | AVDD — Analog supply (3.3 V) |
| Chân 24 | AVSS — Analog ground |
| Chân 25 | AN10/RP25/RC5 — Analog input 10 / remappable pin RP25 / port RC5 |
| Chân 26 | AN11/RP26/RC6 — Analog input 11 / remappable pin RP26 / port RC6 |
| Chân 27 | AN12/RP27/RC7 — Analog input 12 / remappable pin RP27 / port RC7 |
| Chân 28 | AN13/RP28/RC8 — Analog input 13 / remappable pin RP28 / port RC8 |
| Chân 29 | AN14/RP29/RC9 — Analog input 14 / remappable pin RP29 / port RC9 |
| Chân 30 | AN15/RTCC/RB10 — Analog input 15 / RTCC auxiliary / port RB10 |
| Chân 31 | CVREF/AN16/RB11 — Comparator voltage reference output / analog input 16 / port RB11 |
| Chân 32 | PGEC2/RP32/RB12 — Programming clock 2 / remappable pin RP32 / port RB12 |
| Chân 33 | PGED2/RP33/RB13 — Programming data 2 / remappable pin RP33 / port RB13 |
| Chân 34 | RP34/RB14 — Remappable peripheral pin RP34 / port RB14 |
| Chân 35 | RP35/RB15 — Remappable peripheral pin RP35 / port RB15 |
| Chân 36 | VSS — Ground reference |
| Chân 37 | VDD — Positive supply (3.3 V) |
| Chân 38 | RP38/RF4 — Remappable peripheral pin RP38 / port RF4 |
| Chân 39 | RP39/RF5 — Remappable peripheral pin RP39 / port RF5 |
| Chân 40 | DA1/RP40/RF6 — DAC output 1 / remappable pin RP40 / port RF6 |
| Chân 41 | RP41/RF7 — Remappable peripheral pin RP41 / port RF7 |
| Chân 42 | PWM1H/RP42/RF8 — High-speed PWM1 high output / remappable pin RP42 / port RF8 |
| Chân 43 | PWM1L/RP43/RF9 — High-speed PWM1 low output / remappable pin RP43 / port RF9 |
| Chân 44 | FLTA/RP44/RF10 — PWM fault input A / remappable pin RP44 / port RF10 |
| Chân 45 | PWM2H/RP45/RF11 — High-speed PWM2 high output / remappable pin RP45 / port RF11 |
| Chân 46 | PWM2L/RP46/RF12 — High-speed PWM2 low output / remappable pin RP46 / port RF12 |
| Chân 47 | FLTB/RP47/RF13 — PWM fault input B / remappable pin RP47 / port RF13 |
| Chân 48 | EP (exposed pad) — Exposed thermal pad - connect to VSS for thermal and ground integrity |
Ứng dụng tiêu biểu
DSPIC33EP16GS505T-E/PT phù hợp cho 6 Áp dụngs: Interleaved Power Factor Correction (PFC), Digitally Controlled Switch-Mode Power Supplies (SMPS), Automotive Power Conversion Modules, Digital LED Drivers and Lighting, Battery Chargers and Battery Management, Industrial Motor-Adjacent Power Stages and Instrumentation.
Interleaved Power Factor Correction (PFC)
The DSPIC33EP16GS505T-E/PT is the control engine for Microchip's interleaved PFC reference design, which accepts universal AC input and delivers up to 350 W of regulated high-voltage DC. Its interconnected high-speed PWM manages multiple interleaved phases with precise dead-time and phase staggering, while the high-speed ADC with programmable gain amplifier samples inductor and bus currents with low latency for tight current-loop control. On-chip comparators enforce cycle-by-cycle overcurrent limits without CPU intervention, shortening fault response to within one switching period. Firmware-based compensation lets designers tune loop dynamics without changing analog components.
Được đề xuất
Digitally Controlled Switch-Mode Power Supplies (SMPS)
For AC-DC and DC-DC converters, the GS505 replaces analog control ICs with a firmware control loop running at up to 70 MIPS. The high-speed PWM module provides complementary outputs, dead-time insertion, and fault trip inputs directly interconnected to comparators, enabling topologies such as buck, boost, half-bridge, and LLC. The 12-bit high-speed ADC with PGA converts current-shunt signals without external op-amps, and the extended -40C to +125C temperature grade suits enclosed power supplies with hot spots. Digital control allows adaptive compensation, soft-start profiling, and telemetry across load and line conditions.
Được đề xuất
Automotive Power Conversion Modules
Distributor listings identify this part as automotive-grade with AEC-Q100 qualification and the extended -E temperature grade (-40C to +125C), making it appropriate for automotive auxiliary power converters: LED headlamp drivers, DC-DC modules for infotainment, and battery subsystem supervision. The 48-TQFP-EP exposed pad aids thermal dissipation on high-copper PCBs, while the hardware comparators provide fast protection paths required by ISO functional-safety-oriented power designs. Firmware-based control also supports fault diagnostics and condition reporting demanded in automotive power architectures, with deterministic PWM/ADC interconnect minimizing software latency in the safety path.
Được đề xuất
Digital LED Drivers and Lighting
High-brightness LED drivers require precise current regulation, dimming resolution, and fast fault shutdown - all native strengths of the GS505. The high-speed PWM generates both the power-conversion switching waveform and high-resolution dimming channels, while the ADC-with-PGA senses LED current accurately across a wide dynamic range. Comparators implement instant overcurrent or open-circuit protection. Digital implementation allows multiple dimming strategies (trailing-edge, CCR, PWM) in one firmware image, and the -E temperature grade tolerates luminaire driver enclosures that regularly exceed 85C ambient near the LEDs and electrolytics.
Được đề xuất
Battery Chargers and Battery Management
Multi-chemistry battery chargers benefit from the GS505's combination of accurate current/voltage sensing and programmable charge profiles stored in firmware. The high-speed ADC with PGA reads charge current through low-value shunts, the PWM drives the buck or flyback charging stage with adaptive duty resolution, and comparators guard against overcurrent conditions within one switching cycle. CC/CV transitions, temperature-qualified charging via NTC inputs, and termination algorithms execute in the 16 KB Flash without external EEPROM in many designs. The extended temperature grade supports chargers operating in hot vehicle cabins or industrial cabinets.
Được đề xuất
Industrial Motor-Adjacent Power Stages and Instrumentation
In industrial equipment, the GS505 controls front-end power stages feeding servo drives, heaters, and process instrumentation. Its 70 MIPS core executes fixed-point filtering and compensation while the interconnected peripherals offload time-critical PWM and protection tasks from software, improving determinism in electrically noisy factory environments. The -40C to +125C rating and AEC-Q100-based qualification provide margin for control cabinets near motors and drives. FPGA-free digital control also simplifies compliance documentation because behavior is fully defined in reviewable firmware rather than discrete analog component tolerances.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33EP16GS505T-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 | DSPIC33EP16GS505-I/PT |
|---|---|---|
| Package | 48-TQFP-EP (7x7 mm) | 48-TQFP-EP (7x7 mm) - identical |
| Brand | Microchip Technology | Microchip Technology - same |
| Flash Memory | 16 KB (16K x 8) | 16 KB (16K x 8) |
| Core Performance | Up to 70 MIPS (16-bit DSC) | Up to 70 MIPS (16-bit DSC) |
| Supply Voltage | 3.3 V | 3.3 V |
| Operating Temperature | -40C to +125C (E extended grade) | -40C to +85C (I industrial grade) |
| Packaging | Tape & Reel (T suffix) | Tray / Tape & Reel options |
Bảo phân biệt quan trọng
- Extended -E temperature grade up to +125C (vsDSPIC33EP16GS505-I/PT)
- Purpose-built digital-power peripheral interconnect (vsDSPIC33EP16GS505-I/PT (family-identical))
- AEC-Q100-listed automotive qualification with tape-and-reel supply (vsDSPIC33EP16GS505-I/PT)
Ghi chú thiết kế
Decouple every VDD pin pair with a 0.1 uF ceramic capacitor placed within 2 mm of the pin, plus a single 4.7-10 uF bulk capacitor near the device. AVDD must be filtered separately - a ferrite bead plus 10 uF and 0.1 uF on AVDD materially improves ADC accuracy because the ADC reference noise appears directly in current-sense readings. Estimated: at 70 MIPS the core draws on the order of tens of mA; size the 3.3 V rail for the full peripheral set active, not just idle current.
Solder the exposed pad (pin 48 position) to a grounded copper pour with an array of thermal vias. In digital-power layouts, keep the PWM output traces (PWM1H/L, PWM2H/L) short and away from the ADC sense lines; the analog inputs (AN0-AN15) should be routed as a quiet island referenced to AVSS. Place shunt-sense filters (e.g., 100 ohm + 1 nF) close to the analog pins to protect against switching-node transients before they reach the PGA inputs.
Do not leave MCLR floating - use a 10 kohm pull-up to VDD and include the ICSP header (MCLR, PGEC1, PGED1, VDD, VSS) for in-circuit programming with MPLAB SNAP. Verify PGEC1/PGED1 pin selection in the configuration words matches your header wiring; a mismatch is the most common bring-up failure. Remember the 16 KB Flash budget: enable XC16 compiler optimization early, as digital-power compensation code plus fault handlers can approach the limit before hardware debug begins.
Thông tin tuân thủ
ROHS3 compliant per full-electronic.com listing. Hotenda listing identifies the part as Automotive, AEC-Q100, dsPIC33EP Series. REACH, halogen-free, and conflict-minerals status not stated in retrieved data.
