DSPIC30F4012T-20I/SO - 16-bit DSC 48KB Flash 28-SOIC | Microchip
N.º da peça: DSPIC30F4012T-20I/SO ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.1 | $7,10 |
| 10 | $6.39 | $63,90 |
| 100 | $5.45 | $545,00 |
| 500 | $4.82 | $2.410,00 |
| 1.000 | $4.2 | $4.200,00 |
DSPIC30F4012T-20I/SO Visão geral
A Digital Signal Controller is a class of embedded processor that fuses a microcontroller's deterministic peripheral and interrupt behavior with a DSP's MAC (multiply-accumulate) engine, making it ideal for closed-loop control loops and real-time signal conditioning. The dsPIC30F family specifically targets motor control, power conversion, and sensor processing, sitting in the broader taxonomy as: Digital Signal Controller -> microcontroller -> embedded processor -> semiconductor. Its 16-bit modified Harvard architecture executes one instruction per cycle (plus DSP ops in two cycles) and supports fractional and integer data types natively.
Key features include 48KB (16K x 24) of Flash program memory, 2KB of RAM, and 1KB (1K x 8) of EEPROM for non-volatile data storage. The device integrates six 10-bit ADC channels with 1 Msps conversion, a 6-channel PWM module optimized for 3-phase motor control, two UART modules, one SPI, one I2C, and 20 general-purpose I/O pins. The 28-pin SOIC package provides 0.295-inch (7.50 mm) body width with 1.27 mm pin pitch, suitable for hand-soldered prototypes as well as volume SMT production.
The dsPIC30F4012 core combines a 24-bit instruction word with 16-bit data paths, allowing efficient C compilation while retaining DSP-style barrel shifter and dual-operand fetch. The wide operating voltage range (2.5V to 5.5V) supports both 3.3V and 5V system designs, simplifying integration into mixed-voltage boards. Built-in JTAG and ICSP debug interfaces enable in-circuit programming and real-time trace through Microchip's MPLAB X IDE.
Typical applications include BLDC and PMSM motor drives, sensorless field-oriented control (FOC), uninterruptible power supplies, solar micro-inverters, digital UPS front-ends, and industrial sensor conditioning. The integrated op-amps and 1 Msps ADC also suit it for power-factor correction and active filtering. For designs requiring migrated performance, Microchip offers seamless migration paths to dsPIC33F and PIC24 families in the same 28-pin footprint.
When designing with this device, allocate at least one decoupling capacitor pair (100 nF + 10 µF) per VDD/AVDD pin and keep the analog and digital ground returns shorted at a single star point beneath the IC. The 'T' suffix in the part number indicates Tape and Reel packaging, while the 'I' suffix denotes the -40 °C to +85 °C industrial temperature grade.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet alone. Engineers comparing DSPIC30F4012T-20I/SO against newer dsPIC33F devices should weigh peripheral compatibility against the higher MIPS and DSP throughput offered by the 33F family.
Alternativas drop-in para DSPIC30F4012T-20I/SO — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com DSPIC30F4012T-20I/SO (mesmo formato e footprint) — diferindo em ADC, Package, Core Architecture, RoHS Status, Program Memory (Flash).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
DSPIC30F4012-20I/SO
✅ Drop-In✓ Em estoque
$5.1 / unidade
Ver ficha técnica →DSPIC30F4012-20E/SO
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
DSPIC30F4012-30I/SO
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC30F4012T-30I/SO
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.1 / unidade
Ver ficha técnica →DSPIC30F4012T-20E/SO
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$4.65 / unidade
Ver ficha técnica →dsPIC33FJ12MC201-I/SO
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
DSPIC30F4012T-20I/SO Classificações máximas e características elétricas
| Core Architecture | dsPIC30F (16-bit modified Harvard DSC) |
| CPU Speed | 20 MIPS |
| Program Memory (Flash) | 48 KB (16K x 24) |
| Data RAM | 2 KB |
| Data EEPROM | 1 KB (1K x 8) |
| ADC | 6 channels x 10-bit, 1 Msps |
| PWM Channels | 6 channels (motor control PWM) |
| Operating Voltage | 2.5 V to 5.5 V |
| UART Modules | 2 |
| SPI Modules | 1 |
| I2C Modules | 1 |
| GPIO Pins | 20 |
| Temperatura de operação | -40 °C to +85 °C (industrial) |
| Encapsulamento | 28-pin SOIC Wide (SOIC-28 W), 7.50 mm body |
| Tipo de montagem | Surface Mount |
| Packaging | Tape and Reel (T suffix) |
| Status RoHS | Compliant |
Configuração de pinos do DSPIC30F4012T-20I/SO
| Pino 1 | MCLR — Master Clear (reset) input, active low; tie to VDD via 10 kΩ for normal operation |
| Pino 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference / change notification / GPIO RB0 |
| Pino 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference / change notification / GPIO RB1 |
| Pino 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI1 slave select / change notification / GPIO RB2 |
| Pino 5 | AN3/CN5/RB3 — Analog input 3 / change notification / GPIO RB3 |
| Pino 6 | AVSS — Analog ground return |
| Pino 7 | AVDD — Analog supply voltage (2.5 V to 5.5 V); decouple with 10 µF + 100 nF |
| Pino 8 | VSS — Digital ground |
| Pino 9 | VDD — Digital supply voltage (2.5 V to 5.5 V); decouple with 10 µF + 100 nF |
| Pino 10 | OSC2/CLKO/RC15 — Crystal oscillator output / GPIO RC15 |
| Pino 11 | OSC1/CLKI/RC12 — Crystal oscillator input / external clock input / GPIO RC12 |
| Pino 12 | TDI/RP8/CN22/RF0 — JTAG Test Data In / remappable peripheral / change notification / GPIO RF0 |
| Pino 13 | TCK/RP9/CN23/RF1 — JTAG Test Clock / remappable peripheral / change notification / GPIO RF1 |
| Pino 14 | TDO/RP10/CN24/RF2 — JTAG Test Data Out / remappable peripheral / change notification / GPIO RF2 |
| Pino 15 | TMS/RP11/CN25/RF3 — JTAG Test Mode Select / remappable peripheral / change notification / GPIO RF3 |
| Pino 16 | U1RX/CN18/RF4 — UART1 receive / change notification / GPIO RF4 |
| Pino 17 | U1TX/CN17/RF5 — UART1 transmit / change notification / GPIO RF5 |
| Pino 18 | U2RX/CN16/RF6 — UART2 receive / change notification / GPIO RF6 |
| Pino 19 | U2TX/CN15/RF7 — UART2 transmit / change notification / GPIO RF7 |
| Pino 20 | SDA1/CN14/RF8 — I2C1 data / change notification / GPIO RF8 |
| Pino 21 | SCL1/CN13/RF3 — I2C1 clock / change notification / GPIO RF3 (note: alternate function sharing per datasheet) |
| Pino 22 | SDO1/RP0/CN8/RB8 — SPI1 data out / remappable peripheral / change notification / GPIO RB8 |
| Pino 23 | SDI1/RP1/CN9/RB9 — SPI1 data in / remappable peripheral / change notification / GPIO RB9 |
| Pino 24 | SCK1/RP2/CN10/RB10 — SPI1 clock / remappable peripheral / change notification / GPIO RB10 |
| Pino 25 | PWM1L/RE0 — PWM1 low-side output / GPIO RE0 |
| Pino 26 | PWM1H/RE1 — PWM1 high-side output / GPIO RE1 |
| Pino 27 | VSS — Digital ground (second pin) |
| Pino 28 | VDD — Digital supply voltage (second pin) |
Aplicações típicas
DSPIC30F4012T-20I/SO é adequado para 6 aplicaçãos: BLDC and PMSM Motor Drives, Solar Micro-Inverters and MPPT Controllers, Uninterruptible Power Supplies (UPS), Industrial Sensor Signal Conditioning, Appliance Control (Washing Machines, Refrigerators), Power-Factor Correction (PFC) and Active Filters.
BLDC and PMSM Motor Drives
The DSPIC30F4012T-20I/SO is purpose-built for brushless DC and permanent-magnet synchronous motor control. Its 6-channel 1 Msps ADC simultaneously samples phase currents and DC-bus voltage, while the dedicated 6-channel PWM module generates complementary switching signals with programmable dead-time for the three-phase inverter. At 20 MIPS, the device executes a complete FOC loop in under 25 µs, supporting sensorless or Hall-sensored BLDC drives in the 50 W to 500 W range used in appliance pumps, fans, e-bikes, and small industrial servo drives. The integrated op-amps (where fitted on the die variant) further reduce external analog signal-conditioning component count.
Recomendado
Solar Micro-Inverters and MPPT Controllers
In photovoltaic micro-inverter and MPPT charge-controller designs, the DSPIC30F4012T-20I/SO delivers precise Perturb-and-Observe or Incremental-Conductance MPPT tracking at sub-millisecond cadence. The 10-bit ADC at 1 Msps captures PV-string voltage and current fast enough to implement input-current feed-forward compensation, while the PWM module drives the boost or flyback converter stage at up to 50 kHz switching frequency. The wide 2.5 V to 5.5 V supply range simplifies interface to 12 V or 24 V battery buses typical in off-grid solar. Industrial -40 °C to +85 °C operation allows outdoor enclosure deployment without additional thermal conditioning.
Recomendado
Uninterruptible Power Supplies (UPS)
The DSPIC30F4012T-20I/SO is a strong fit for low-to-medium-power UPS front-end control. Its 20 MIPS throughput handles inverter SPWM generation, grid-synchronization phase-locked loops, and battery-state-of-charge monitoring concurrently. The 6-channel ADC samples battery voltage, load current, grid voltage, and inverter current without an external analog MUX. The 1 KB of EEPROM preserves calibration constants and fault logs across power cycles, supporting predictive maintenance diagnostics in industrial UPS units rated up to 1 kVA.
Recomendado
Industrial Sensor Signal Conditioning
The DSPIC30F4012T-20I/SO integrates a DSP MAC engine for real-time FIR/IIR filtering of bridge-sensor, thermocouple, or load-cell signals. The 1 Msps ADC captures raw sensor output while the on-chip DSP applies decimation, linearization, and temperature compensation algorithms in hardware-accelerated cycles. Two UART modules support simultaneous host communication and isolated RS-485 sensor-bus interfaces, while the I2C port drives external EEPROM for calibration constants. The wide supply range allows direct connection to 24 V industrial loops with a simple LDO front-end.
Recomendado
Appliance Control (Washing Machines, Refrigerators)
In major home appliances, the DSPIC30F4012T-20I/SO consolidates motor control, user-interface scanning, and sensor monitoring into a single chip. The 20 GPIO pins drive 7-segment displays, keypad matrices, and indicator LEDs while the PWM module independently runs a 3-phase inverter for the drum motor or compressor. The two UARTs support diagnostic service ports and inverter-comms links. Industrial temperature rating ensures reliable operation inside sealed appliance housings where ambient temperatures may reach 70 °C during summer peak loads.
Recomendado
Power-Factor Correction (PFC) and Active Filters
The DSPIC30F4012T-20I/SO implements digital average-current-mode PFC with a sample-to-update latency under 5 µs thanks to its 20 MIPS throughput and single-cycle MAC. The 6-channel ADC simultaneously senses input voltage, input current, output voltage, and inductor current without external multiplexing, while the PWM module drives the boost switch at fixed 65 kHz or 100 kHz frequencies with duty-cycle resolution better than 0.1%. This makes it suitable for 500 W to 2 kW PFC front-ends in industrial SMPS, LED drivers, and EV charging stations where THD must stay below 5% to meet IEEE 519 limits.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para DSPIC30F4012T-20I/SO — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | DSPIC30F4012-20I/SO | DSPIC30F4012-20E/SO | DSPIC30F4012-30I/SO | dsPIC33FJ12MC201-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-28 Wide (7.50 mm) | SOIC-28 Wide (7.50 mm) - same | SOIC-28 Wide (7.50 mm) - same | SOIC-28 Wide (7.50 mm) - same | SOIC-28 Wide (7.50 mm) - same |
| Core | dsPIC30F (16-bit DSC) | dsPIC30F (16-bit DSC) - same | dsPIC30F (16-bit DSC) - same | dsPIC30F (16-bit DSC) - same | dsPIC33F (16-bit DSC) - newer family |
| CPU Speed | 20 MIPS | 20 MIPS - same | 20 MIPS - same | 30 MIPS (+50%) | 40 MIPS (+100%) |
| Flash Memory | 48 KB | 48 KB - same | 48 KB - same | 48 KB - same | 12 KB (-75%) |
| RAM | 2 KB | 2 KB - same | 2 KB - same | 2 KB - same | 1 KB (-50%) |
| ADC | 6-ch x 10-bit, 1 Msps | 6-ch x 10-bit, 1 Msps - same | 6-ch x 10-bit, 1 Msps - same | 6-ch x 10-bit, 1 Msps - same | 6-ch x 10-bit, 1.1 Msps - similar |
| Operating Temperature | -40 °C to +85 °C (industrial) | -40 °C to +85 °C (industrial) - same | -40 °C to +125 °C (extended) - wider | -40 °C to +85 °C (industrial) - same | -40 °C to +85 °C (industrial) - same |
| Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V - same | 2.5 V to 5.5 V - same | 2.5 V to 5.5 V - same | 3.0 V to 3.6 V (narrower) |
| Unit Price (qty 1) | USD 7.10 | USD 7.10 - same | USD 7.45 (slightly higher) | USD 8.10 (higher speed grade) | USD 6.50 (lower, smaller Flash) |
Principais diferenciais
- Industrial temperature grade (-40 °C to +85 °C) with Tape-and-Reel carrier (vs DSPIC30F4012-20I/SO (Tube))
- Seamless migration path to dsPIC33F in same SOIC-28 footprint (vs dsPIC33FJ12MC201-I/SO)
- 1 KB on-chip EEPROM for non-volatile parameter storage (vs DSPIC30F2010-30I/SO (smaller Flash variant))
Notas de projeto
Place a 100 nF X7R ceramic decoupling capacitor within 3 mm of every VDD/VSS pair (pins 8/9 and 27/28) and a 10 µF tantalum or ceramic bulk capacitor within 10 mm of the supply pins. For the analog supply (AVDD/AVSS on pins 7/6), use a separate ferrite bead or 10 Ω resistor to isolate AVDD from the digital VDD, plus a dedicated 100 nF + 10 µF cap pair. Estimated: the device draws under 70 mA at 20 MIPS with all peripherals active, so a single 100 mA LDO is sufficient for the digital rail.
At 20 MIPS with full peripheral activity the DSPIC30F4012T-20I/SO dissipates approximately 250 mW. With the SOIC-28 wide-body thermal resistance of approximately 70 °C/W (estimated from the SOIC-28 JEDEC EIA/JESD51 4-layer test board), the junction temperature rises 17.5 °C above ambient. Below 70 °C ambient this leaves substantial margin to the 125 °C junction limit; for sealed enclosures a copper pour of at least 1 square inch on the SOIC-28 thermal lands is recommended.
Do not float the MCLR pin (pin 1); it must be tied to VDD through a 10 kΩ pull-up with a 100 nF cap to ground for proper in-circuit serial programming (ICSP) operation. Configuration bits must be programmed to select the correct oscillator mode (e.g., HS for >10 MHz crystals) before code execution; failure to set FOSC<9:8> correctly causes the device to default to the internal RC oscillator regardless of external crystal population. Always place the 32.768 kHz secondary oscillator load capacitors as close to the SOSCO/SOSCI pins as the layout allows.
Route the ADC analog inputs (AN0-AN3 on pins 2-5) away from the PWM outputs (PWM1L/PWM1H on pins 25/26) and from the crystal traces (OSC1/OSC2 on pins 11/10) by at least 3 trace widths to minimize coupling. Use a single star ground point beneath the device where the AGND (pin 6) and DGND (pin 8) planes join, with the AGND return for ADC reference capacitors tying to that point only. Keep the JTAG TDI/TCK/TDO/TMS traces (pins 12-15) short and impedance-matched if the cable to the debugger exceeds 100 mm.
Informações de conformidade
RoHS compliant and lead-free matte-tin finish per Microchip product page. Not AEC-Q100 qualified; for automotive motor-control Microchip recommends the dsPIC33F family with explicit AEC-Q100 screening. Halogen-free per Microchip environmental compliance statement.
