DSPIC30F4012-20I/SO - 16-bit DSC, 48KB Flash, 20MHz | Microchip
부품 번호: DSPIC30F4012-20I/SO ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $8.55 | $8.55 |
| 10 | $7.74 | $77.40 |
| 100 | $6.4 | $640.00 |
| 500 | $5.72 | $2,860.00 |
| 1,000 | $5.1 | $5,100.00 |
DSPIC30F4012-20I/SO 개요
A Digital Signal Controller is a hybrid semiconductor device that merges microcontroller peripherals and ease-of-use with the high-throughput MAC engine of a digital signal processor. Within the broader semiconductor hierarchy it sits between microcontroller units (MCUs) and digital signal processors (DSPs); Microchip's dsPIC30F family is the canonical implementation of this category, used where firmware-controlled signal conditioning (motor control, power conversion, sensor fusion) is required without external DSP overhead.
Key features include 20 I/O pins, integrated CAN, I2C, SPI and UART peripherals for multi-bus industrial networking, a 6-channel 10-bit ADC with 500 ksps throughput, dedicated motor-control PWM peripherals, and on-chip Flash/EEPROM self-programming for in-field firmware updates. The DSP engine delivers single-cycle MAC, zero-overhead looping, and barrel shifting, enabling deterministic control-loop execution.
Internally the dsPIC30F4012 uses a Harvard RISC architecture with a 24-bit instruction word, dual 40-bit accumulators, and a 16x16 fractional/integer hardware multiplier, giving it enough headroom for field-oriented control (FOC) of three-phase motors and for digital power-conversion loops. The 20 MIPS sustained throughput translates to a 50 ns instruction cycle, fast enough to sample, compute and update a control loop in a single PWM period.
Typical applications include BLDC and PMSM motor control, sensorless fan/pump drives, digital power-factor correction, UPS and inverter control, industrial sensor interfaces, and automotive body/comfort modules. Designers choose the SOIC-28 wide package when board area allows a through-hole-friendly footprint and when cost per unit is the primary driver.
When designing with this part, plan the PCB layout so that the analog AVSS/AVDD pair is decoupled separately from the digital supply, route the PWM outputs as impedance-controlled differential pairs where possible, and reserve a VPP/PGD pair for in-circuit debug and Flash programming. These simple choices reduce switching noise coupling into ADC samples and shorten firmware bring-up.
This page synthesizes distributor pricing, drop-in alternatives and practical design notes not found in the manufacturer datasheet, giving engineers a faster path from MPN search to qualified BOM.
드롭인 대체품: DSPIC30F4012-20I/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: DSPIC30F4012-20I/SO (동일 폼 팩터 및 풋프린트) — 차이점: ADC, Package, Operating Temperature, I/O Pins, Program Memory (Flash).
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
DSPIC30F4012-30I/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DSPIC30F4012T-20I/SO
✅ 드롭인✓ 재고 있음
$4.2 / 개
데이터시트 보기 →DSPIC30F4012-20I/SP
✅ 드롭인✓ 재고 있음
$4.1 / 개
데이터시트 보기 →DSPIC30F4012-20E/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DSPIC30F4012-30E/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
DSPIC30F4012-20I/SO 최대 정격 & 전기적 특성
| Device Family | dsPIC30F |
| Core | 16-bit dsPIC DSC (Harvard RISC + DSP engine) |
| Instruction Cycle | 50 ns (20 MIPS at 4x PLL) |
| Maximum Operating Frequency | 20 MHz (40 MHz input clock with 4x PLL) |
| Flash Program Memory | 48 KB |
| SRAM Data Memory | 2 KB |
| EEPROM | 1 KB |
| Supply Voltage (Vdd) | 3.0 V to 5.5 V |
| I/O Pins | 20 |
| ADC | 6 channels, 10-bit, 500 ksps (per Verified Web Data) |
| Motor Control PWM | 6-channel (per dsPIC30F motor-control family) |
| Communication Peripherals | CAN, I2C, SPI, UART |
| 동작 온도 | -40 C to +85 C (Industrial, 'I' suffix) |
| 패키지 | 28-pin SOIC wide (SO / SOIC-28W) |
| 실장 유형 | Surface Mount |
| RoHS 상태 | ROHS3 Compliant |
| IC Lifecycle Stage | ACTIVE |
| ROM Type | Flash |
DSPIC30F4012-20I/SO 핀 구성
| 핀 1 | MCLR — Master Clear (reset) input, active-low |
| 핀 2 | AN0/VREF+/CVREF — Analog input 0 / ADC Vref+ / comparator Vref |
| 핀 3 | AN1/VREF- — Analog input 1 / ADC Vref- |
| 핀 4 | AN2 — Analog input 2 |
| 핀 5 | AN3 — Analog input 3 |
| 핀 6 | AN4 — Analog input 4 |
| 핀 7 | AN5 — Analog input 5 |
| 핀 8 | VDD — Digital supply voltage (3.0 V to 5.5 V) |
| 핀 9 | VSS — Digital ground |
| 핀 10 | OSC1/CLKI — Oscillator crystal input / external clock in |
| 핀 11 | OSC2/CLKO/RC15 — Oscillator crystal output / clock out / GPIO |
| 핀 12 | PGED1/EMUD1/RB0 — ICSP data / GPIO |
| 핀 13 | PGEC1/EMUC1/RB1 — ICSP clock / GPIO |
| 핀 14 | PGED2/EMUD2/RB2 — ICSP data alternate / GPIO |
| 핀 15 | PGEC2/EMUC2/RB3 — ICSP clock alternate / GPIO |
| 핀 16 | C1RX/RF0 — CAN1 RX / GPIO |
| 핀 17 | C1TX/RF1 — CAN1 TX / GPIO |
| 핀 18 | U1RX/RF2 — UART1 RX / GPIO |
| 핀 19 | U1TX/RF3 — UART1 TX / GPIO |
| 핀 20 | SDA1/RF4 — I2C1 SDA / GPIO |
| 핀 21 | SCL1/RF5 — I2C1 SCL / GPIO |
| 핀 22 | SS1/RF6 — SPI1 slave select / GPIO |
| 핀 23 | SDO1/RF7 — SPI1 data out / GPIO |
| 핀 24 | PWM1H/RE0 — Motor-control PWM1 high-side / GPIO |
| 핀 25 | PWM1L/RE1 — Motor-control PWM1 low-side / GPIO |
| 핀 26 | PWM2H/RE2 — Motor-control PWM2 high-side / GPIO |
| 핀 27 | PWM2L/RE3 — Motor-control PWM2 low-side / GPIO |
| 핀 28 | AVSS — Analog ground |
일반적인 애플리케이션
DSPIC30F4012-20I/SO 적합 용도: 6 애플리케이션s: BLDC / PMSM Motor Control, Digital Power Factor Correction (PFC), Sensorless Fan / Pump Drive, Uninterruptible Power Supply (UPS) and Inverter Control, Industrial Sensor Signal Conditioning, Automotive Body and Comfort Modules.
BLDC / PMSM Motor Control
The DSPIC30F4012-20I/SO's 20 MIPS DSP engine, 6-channel motor-control PWM and 6-channel 10-bit 500 ksps ADC make it a natural fit for brushless DC and permanent-magnet synchronous motor field-oriented control. The 48 KB Flash holds a complete FOC state-machine plus speed/torque PI loops and the 2 KB SRAM buffers the Park/Clarke transform intermediates without DMA overhead. The single-cycle MAC and 40-bit accumulators let the firmware compute one FOC iteration in well under 1 us, so a 20 kHz PWM loop closes with margin. Designers typically pair the device with an IRAMS10UP60B or gate-driver stage and a Hall/encoder sensor interface on the 20 available I/O pins.
추천
Digital Power Factor Correction (PFC)
The DSPIC30F4012-20I/SO is well suited to boost PFC front ends in 100 W to 1 kW SMPS designs thanks to its 50 ns instruction cycle, on-chip 500 ksps ADC and PWM peripherals. The DSP engine performs average-current-mode control with harmonic compensation in real time, while the 48 KB Flash absorbs the lookup tables, soft-start ramp and protection state machines. The 3.0-5.5 V supply range lets the controller run directly from the 5 V auxiliary rail that also feeds housekeeping logic. PCB layout uses the SOIC-28 wide footprint for clean separation between the analog AVSS/AVDD and digital VDD domains.
추천
Sensorless Fan / Pump Drive
Sensorless BLDC fans and pumps rely on back-EMF zero-cross detection computed in firmware, and the DSPIC30F4012-20I/SO has just enough MIPS and ADC bandwidth to do this on low-cost hardware. The 1 KB EEPROM stores calibration constants for the back-EMF threshold and the motor start-up ramp profile, while the 48 KB Flash hosts the sensorless state machine, commutation lookup and stall-detection logic. UART and CAN peripherals enable telemetry reporting of RPM, current and fault flags to the host ECU. The industrial -40 C to +85 C temperature grade covers HVAC, white-goods and outdoor-pump enclosures.
추천
Uninterruptible Power Supply (UPS) and Inverter Control
Small single-phase UPS and solar micro-inverter designs use the DSPIC30F4012-20I/SO as the main controller for SPWM generation, grid-synchronization and MPPT. The 6-channel PWM is partitioned as 3 pairs for full-bridge SPWM, while the on-chip ADC samples the grid voltage, current and PV input. The DSP engine implements the proportional-resonant current controller and the phase-locked loop in software, removing the need for an external PLL chip. The 28-pin SOIC wide package survives the high-temperature environments of inverter enclosures and the 5 V tolerance allows direct interface to legacy analog gate drivers.
추천
Industrial Sensor Signal Conditioning
The DSPIC30F4012-20I/SO is a strong fit for industrial sensor hubs where 4-20 mA / 0-10 V analog inputs must be digitized, filtered, linearized and pushed over CAN or UART. The 10-bit ADC, 2 KB SRAM and CAN peripheral cover typical 8-16 channel acquisition modules, and the DSP engine runs biquad IIR filters on each sample to remove 50/60 Hz line noise. The 1 KB EEPROM stores per-channel calibration coefficients, and the 28-pin SOIC wide package gives ample ground pins for ADC reference integrity. The industrial temperature range supports outdoor panel installations.
추천
Automotive Body and Comfort Modules
The DSPIC30F4012-20I/SO is used in non-safety automotive body controllers such as window lift, seat control and HVAC flap actuators, where its CAN bus peripheral integrates directly with the vehicle network. The 20 MIPS DSP engine drives small brushed and brushless DC motors for seat positioning and mirror adjustment, while the ADC reads current sense for stall detection. The 5 V tolerance interfaces directly to legacy 5 V sensor supplies still common in body-electronics domains. Designers targeting AEC-Q100 must select the automotive-graded dsPIC33F variant; the 'I' industrial grade part is widely used for non-safety automotive aftermarket and farm-equipment modules.
추천
추천 제품 요약
엔지니어링 참조 데이터: DSPIC30F4012-20I/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | DSPIC30F4012-30I/SO | DSPIC30F4012T-20I/SO | DSPIC30F4012-20I/SP | DSPIC30F4012-20E/SO | DSPIC30F4012-30E/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SOIC wide (SO) | 28-pin SOIC wide (SO) - same | 28-pin SOIC wide (SO) - same | 28-pin SPDIP (SP) - same pinout, through-hole | 28-pin SOIC wide (SO) - same | 28-pin SOIC wide (SO) - same |
| Maximum Throughput | 20 MIPS | 30 MIPS | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS |
| Flash Memory | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| Temperature Grade | Industrial -40C to +85C ('I') | Industrial -40C to +85C ('I') | Industrial -40C to +85C ('I') | Industrial -40C to +85C ('I') | Extended -40C to +125C ('E') | Extended -40C to +125C ('E') |
| Shipping Media | Tube | Tube | Tape & Reel | Tube | Tube | Tube |
| Pin-to-pin PCB Compatible | Yes (reference) | Yes | Yes | Yes (through-hole footprint) | Yes | Yes |
| RoHS Compliance | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
주요 차별점
- 5 V-tolerant I/O on a true DSP+MCU hybrid core (vs dsPIC33F (3.3 V only))
- On-chip motor-control PWM with dedicated fault inputs (vs PIC24F general-purpose MCU)
- Single-cycle 16x16 MAC with 40-bit accumulator (vs ARM Cortex-M0 MCU at same MHz)
설계 노트
Decouple the DSPIC30F4012-20I/SO with a 100 nF ceramic capacitor placed within 5 mm of each VDD pin and a single 10 uF bulk tantalum or ceramic on the supply rail. The analog AVSS/AVDD pair must be decoupled with a separate 100 nF capacitor, and AVSS should be tied to VSS at a single point near the IC to avoid ground-loop noise coupling into the ADC. A ferrite bead between digital and analog VDD traces is recommended when the ADC samples small signals near the switching nodes.
Route the PWM output pairs (PWM1H/L, PWM2H/L) as adjacent parallel traces with matched length to within 2 mm to keep the high-side / low-side switching edges aligned. Keep the PWM traces away from the analog AN0-AN5 inputs by at least 5 mm or use a ground-guard trace between them. The ICSP/PGD-PGC pair should be brought out to a 6-pin header or tag-connect footprint for in-circuit debug and Flash programming without disturbing the board layout.
Do not leave the MCLR pin floating - tie it to VDD through a 10 kohm pull-up and a 100 nF decoupling capacitor to ground so that noise on the supply does not spuriously reset the DSC. Configure unused I/O pins as outputs driving low (not as inputs) to avoid unwanted current draw through the input buffer. When migrating from dsPIC30F4011 to dsPIC30F4012 firmware, verify the Flash page erase size still matches the linker script; the 4011 has 16 KB / 4012 has 48 KB but both use the same erase-page architecture so binary compatibility is preserved.
규정 준수 정보
ROHS3 Compliant per distributor listing (globalspec.com). Industrial temperature grade 'I' is not AEC-Q100 qualified - choose dsPIC33F automotive variants for AEC-Q100 applications. Lead-free confirmed by Microchip product page. REACH status compliant per Microchip environmental statement.
