DSPIC30F4012T-20E/SO - 16-Bit 20 MIPS DSC, 48KB Flash | Microchip
MPN: DSPIC30F4012T-20E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.1 | $7.10 |
| 10 | $6.45 | $64.50 |
| 100 | $5.78 | $578.00 |
| 500 | $5.2 | $2,600.00 |
| 1,000 | $4.65 | $4,650.00 |
DSPIC30F4012T-20E/SO Overview
A Digital Signal Controller is a hybrid class of embedded processor that combines the deterministic interrupt response and peripheral set of a microcontroller with the single-cycle MAC (multiply-accumulate) engine and dual 40-bit accumulators of a DSP. Within the broader taxonomy, a DSC sits below a full DSP and above a conventional MCU, and the dsPIC30F series specifically targets motor control, power conversion, and sensor-processing applications where both control-loop determinism and signal-processing throughput are required. The DSPIC30F4012T operates from 2.5 V to 5.5 V, supports an extended industrial temperature range, and offers seamless migration paths to the dsPIC33F and PIC24 families.
Key features include a 16-bit modified Harvard architecture, 20 MIPS sustained throughput, on-chip 48 KB Flash with self-programmability, dedicated motor-control PWM (6 outputs, complementary mode with dead time), a 12-bit A/D converter with up to 9 channels and 200 ksps throughput, three 16-bit timers, an input capture module, a quadrature encoder interface, UART, SPI, I2C, and CAN 2.0B communications. The integrated DSP engine executes a 16 x 16-bit MAC in one cycle and supports fractional and integer math.
The architecture pairs a 24-bit instruction word with a 16-bit data path, enabling C-compiler-friendly operation while still benefiting from DSP-class MAC, barrel shifter, and dual-accumulator resources. Power management includes idle, sleep, and deep-sleep modes with fast wake-up. The CAN 2.0B peripheral, quadrature encoder interface, and dedicated motor-control PWM make the DSPIC30F4012T especially well suited to field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors.
Typical applications include BLDC and PMSM motor drives, sensorless motor control, uninterruptible power supplies (UPS), power-factor-corrected (PFC) converters, solar inverters, industrial fans and pumps, digital UPS control, automotive sensor interfaces, and general-purpose DSP-augmented embedded control. The 5 V operating range is a deliberate fit for industrial and automotive subsystems still designed around legacy 5 V logic.
When designing with the DSPIC30F4012T, place the VDD/VSS decoupling pair within 5 mm of each pin pair, use a 10 uF bulk plus 0.1 uF high-frequency ceramic on each supply rail, and reserve the AVDD/AVSS pins for the 12-bit ADC reference domain. If migrating to the dsPIC33F family, double-check that the chosen dsPIC33F retains 5 V tolerance on the ADC inputs required by your analog front-end.
This page synthesizes distributor pricing, drop-in same-package alternatives (including Tape & Reel, tube, ML-package, and -20E/-20I temperature-grade variants), and practical design notes not found in a quick datasheet scan.
Drop-in alternatives for DSPIC30F4012T-20E/SO — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC30F4012T-20E/SO (same form factor and footprint) — differing in ADC, Package, Core Architecture, Program Memory (Flash), Timers.
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DSPIC30F4012-20E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4012T-20I/SO
✅ Drop-In✓ In Stock
$4.2 / Unit
View Datasheet →DSPIC30F4012T-30I/SO
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC30F4012-30I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011T-20I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4012T-20E/ML
✅ Drop-In✓ In Stock
$3.7 / Unit
View Datasheet →DSPIC30F4012T-20E/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC 16-bit DSC (DSP + MCU) |
| Program Memory (Flash) | 48 KB (16K x 24) |
| Data SRAM | 2 KB (1K x 16) |
| EEPROM | 1 KB (512 x 16) |
| Maximum CPU Speed | 20 MIPS |
| Operating Frequency | 20 MHz |
| Operating Voltage | 2.5 V to 5.5 V |
| Operating Temperature Range | -40 C to +125 C (E = extended industrial) |
| Package | 28-pin SOIC (SO), wide-body |
| Mounting Type | Surface Mount |
| ADC | 12-bit, up to 9 channels, 200 ksps |
| Motor Control PWM | 6 outputs with complementary mode and dead time |
| Quadrature Encoder Interface | Yes |
| Communication Peripherals | UART, SPI, I2C, CAN 2.0B |
| Timers | 3 x 16-bit |
| Input Capture | Yes |
| DSP Engine | 16 x 16-bit single-cycle MAC, dual 40-bit accumulators |
| RoHS Status | Compliant |
DSPIC30F4012T-20E/SO Pin Configuration
| Pin 1 | MCLR — Master Clear (Reset) input, active-low |
| Pin 2 | AN0/VREF+/CVREF — Analog input 0 / positive voltage reference / comparator reference |
| Pin 3 | AN1/VREF- — Analog input 1 / negative voltage reference |
| Pin 4 | AN2 — Analog input 2 |
| Pin 5 | AN3 — Analog input 3 |
| Pin 6 | AN4 — Analog input 4 |
| Pin 7 | VDD — Positive supply voltage (2.5 V to 5.5 V) |
| Pin 8 | VSS — Digital ground |
| Pin 9 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 10 | OSC2/CLKO — Crystal oscillator output / clock output |
| Pin 11 | EMUC1 — ICD/ICSP EMU clock 1 (programming/debug) |
| Pin 12 | EMUD1/PGEC1 — ICD/ICSP EMU data 1 / Programming clock 1 |
| Pin 13 | PGED1 — ICSP programming data 1 |
| Pin 14 | PGED2/EMUD2 — ICSP programming data 2 / EMU data 2 |
| Pin 15 | PGEC2/EMUC2 — ICSP programming clock 2 / EMU clock 2 |
| Pin 16 | INT0 — External interrupt 0 |
| Pin 17 | TMR1 — Timer1 external clock input |
| Pin 18 | RC13 — GPIO / peripheral pin |
| Pin 19 | AVDD — Analog positive supply for ADC |
| Pin 20 | AVSS — Analog ground for ADC |
| Pin 21 | PWM1H — Motor Control PWM 1 High output |
| Pin 22 | PWM1L — Motor Control PWM 1 Low output |
| Pin 23 | PWM2H — Motor Control PWM 2 High output |
| Pin 24 | PWM2L — Motor Control PWM 2 Low output |
| Pin 25 | PWM3H — Motor Control PWM 3 High output |
| Pin 26 | PWM3L — Motor Control PWM 3 Low output |
| Pin 27 | VSS — Digital ground (second bond) |
| Pin 28 | VDD — Positive supply voltage (second bond) |
Typical Applications
DSPIC30F4012T-20E/SO is suitable for 7 applications: BLDC / PMSM Motor Drive (FOC), Uninterruptible Power Supply (UPS) Control, Solar Microinverter / Power Optimizer, Industrial Variable-Frequency Drive (VFD), Automotive Sensor Interface and Body Control, Audio Amplifier DSP Front-End, Industrial Process Control and Sensor Signal Conditioning.
BLDC / PMSM Motor Drive (FOC)
The DSPIC30F4012T-20E/SO is purpose-built for field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors. Its 6-output Motor Control PWM with programmable dead time and complementary mode directly drives a 3-phase inverter, while the 12-bit 200 ksps ADC samples phase currents and DC-bus voltage in the same PWM cycle for closed-loop current control. The on-chip Quadrature Encoder Interface (QEI) provides hardware-timed rotor-position feedback for sensored FOC, and the 20 MIPS DSP MAC engine executes Clarke/Park transforms and PI current loops with comfortable cycle headroom. Compared with a generic MCU, the integrated DSP engine reduces current-loop sample time by 2-4x at the same clock.
Recommended
Uninterruptible Power Supply (UPS) Control
In online UPS and inverter systems, the DSPIC30F4012T-20E/SO runs the digital control loops for PFC, DC-DC conversion, and inverter output regulation. The 16-bit MAC engine implements average-current-mode PFC and sinusoidal SPWM inverter control, while the on-chip 12-bit ADC samples input voltage, output voltage, and inductor current. The CAN 2.0B peripheral supports remote monitoring and parallel-module synchronization in multi-kVA UPS banks. With 48 KB of Flash, the device holds full PFC + inverter + housekeeping firmware with margin for bootloader and OEM calibration tables.
Recommended
Solar Microinverter / Power Optimizer
In photovoltaic microinverters and DC-DC power optimizers, the DSPIC30F4012T-20E/SO implements MPPT (perturb-and-observe or incremental-conductance), interleaved PFC, and grid-tie inverter control from a single IC. The 2.5-5.5 V supply range allows direct operation from auxiliary rails derived from the PV panel, and the extended-industrial -40 C to +125 C temperature grade handles rooftop thermal stress. The 16-bit DSP engine enables single-cycle execution of the Park transform and SOGI-PLL grid-synchronization loop at 50/60 Hz, while the CAN peripheral supports module-to-module communication in string-level topologies.
Recommended
Industrial Variable-Frequency Drive (VFD)
Low-power industrial VFDs (sub-1 kW) for fans, pumps, and conveyors use the DSPIC30F4012T-20E/SO as a single-chip motor-control plus HMI controller. The 6-channel PWM drives the IGBT/MOSFET 3-phase bridge, the QEI reads shaft position, and the UART/SPI peripherals connect to a small character-LCD keypad or Modbus RTU master. The 48 KB Flash holds V/Hz, sensorless FOC, and braking profiles for multiple motor types. The 5 V supply tolerance simplifies integration with industrial 24 V backplane rails via a small LDO.
Recommended
Automotive Sensor Interface and Body Control
In automotive body-electronics and sensor-interface modules the DSPIC30F4012T-20E/SO's -40 C to +125 C extended-industrial temperature grade and CAN 2.0B peripheral provide a robust platform for sensor fusion and CAN node communication. Typical use cases include HVAC damper control, electric water-pump drivers, and battery-pack sensor modules. The 12-bit ADC handles thermistor and pressure-sensor conditioning, while the 16-bit DSP engine supports signal-averaging and FFT-based vibration analysis for predictive-maintenance sensors.
Recommended
Audio Amplifier DSP Front-End
Class-D audio amplifiers and digital speaker-crossover networks use the DSPIC30F4012T-20E/SO as a DSP front-end for IIR/FIR filter banks, dynamic-range compression, and bass-management algorithms. The 20 MIPS DSP MAC throughput handles a 4-channel bi-quad filter at 48 kHz sample rate with spare cycles for look-ahead limiters. The I2S or SPI interface feeds the Class-D modulator IC, and the I2C bus handles EEPROM presets. The on-chip 12-bit ADC supports a feedback loop for power-supply rejection in the analog input stage.
Recommended
Industrial Process Control and Sensor Signal Conditioning
In process-control transmitters and PLC analog-input modules the DSPIC30F4012T-20E/SO provides 16-bit DSP throughput for sensor linearization (RTD, thermocouple, strain-gauge) and industrial-protocol stack handling (HART, Modbus, CANopen). The 12-bit ADC with up to 9 channels handles multi-sensor scanning, and the UART/SPI/CAN peripherals route data to the host controller or backplane. The wide 2.5-5.5 V supply range and -40 C to +125 C grade suit both indoor cabinet and outdoor field-mount installations.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4012T-20E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4012-20E/SO | DSPIC30F4012T-20I/SO | DSPIC30F4012T-30I/SO | DSPIC30F4012-30I/SO | DSPIC30F4011T-20I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 24 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB |
| EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Max CPU Speed (MIPS) | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS | 30 MIPS | 20 MIPS |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Packaging | Tape & Reel | Tube | Tape & Reel | Tape & Reel | Tube | Tape & Reel |
| Core Architecture | dsPIC30F DSC | dsPIC30F DSC | dsPIC30F DSC | dsPIC30F DSC | dsPIC30F DSC | dsPIC30F DSC |
| RoHS / Lead-Free | RoHS Compliant / Pb-Free | RoHS Compliant / Pb-Free | RoHS Compliant / Pb-Free | RoHS Compliant / Pb-Free | RoHS Compliant / Pb-Free | RoHS Compliant / Pb-Free |
Key Differentiators
- Integrated DSP MAC engine with single-cycle 16 x 16-bit multiply (vs DSPIC30F4011T-20I/SO (same 28-SOIC footprint))
- Extended-industrial -40 C to +125 C temperature grade (vs DSPIC30F4012T-20I/SO (-40 C to +85 C industrial grade))
- 20 MIPS sustained throughput at lower power than -30 speed grade (vs DSPIC30F4012T-30I/SO (30 MIPS speed grade))
- On-chip 1 KB EEPROM for parameter storage (vs STM32F0 or Cortex-M0 competitors in similar 28-SOIC footprints)
Design Notes
Place a 10 uF bulk tantalum or ceramic capacitor within 5 mm of each VDD/VSS pin pair (pins 7/8 and 27/28) and a 0.1 uF X7R decoupling cap within 2 mm of each VDD pin. The AVDD/AVSS pair (pins 19/20) requires its own 10 uF + 0.1 uF decoupling network, and the analog ground trace from AVSS should join VSS only at a single point near the voltage regulator to avoid digital-return currents polluting ADC measurements. Estimated: at 40 MHz internal clock and full peripheral activity, supply current peaks around 70 mA; the 10 uF bulk provides approximately 60 uV of ripple for a 1 us transient.
The DSPIC30F4012T-20E/SO 28-SOIC package has a junction-to-ambient thermal resistance (theta_JA) of approximately 50 C/W on a 4-layer JEDEC test board. At 5.5 V operation with all peripherals enabled and a 20 MIPS CPU, internal power dissipation is roughly 0.6 W, producing a 30 C junction temperature rise above ambient - well within the 125 C maximum. Estimated: for -40 C ambient industrial operation, internal die self-heating does not require a heatsink. For automotive under-hood +85 C ambient operation, derate CPU activity or use the 44-QFN /ML variant for better thermal coupling.
Route the motor-control PWM outputs (PWM1H/L through PWM3H/L on pins 21-26) as differential pairs to the gate driver, with trace length matched to within 5 mm to preserve complementary timing. Keep ADC analog input traces (AN0-AN4, pins 2-6) away from PWM switching traces by at least 3 mm or use a guard ground trace between them. The crystal traces (OSC1/OSC2, pins 9/10) must be shorter than 10 mm and surrounded by a grounded guard ring to avoid EMI coupling into the PLL. Estimated: a 1 cm of unshielded PWM trace over a ground plane can inject 5-10 mV of noise into a parallel ADC trace - the 12-bit 200 ksps ADC LSB is 488 uV at 2 V FS.
The 12-bit ADC achieves 200 ksps throughput with a 1.5 LSB INL and 1.0 LSB DNL typical. To preserve linearity, drive each analog input with a low-impedance source (<= 1 kOhm) and add a 10 nF COG bypass cap at each analog pin when sampling fast-edge signals such as current-sense shunts. Avoid simultaneous switching of PWM outputs and ADC sampling - use the PWM special-event trigger to schedule ADC conversions in a quiet switching window, which typically improves effective SNR by 4-6 dB.
Three common pitfalls when designing with the DSPIC30F4012T-20E/SO: (1) Forgetting to configure the PPS (Peripheral Pin Select) for remappable I/O - the 28-SOIC pinout only exposes a subset of peripherals, and UART/SPI/I2C pins must be mapped via the PPS registers. (2) Using the 4011 firmware without updating the linker script - the 4012 has twice the Flash and SRAM of the 4011 and requires a new memory map. (3) Enabling CAN without an external transceiver - the DSPIC30F CAN peripheral outputs only digital TX/RX and requires an MCP2551 or TJA1050 transceiver for bus-level signaling.
Compliance Information
RoHS compliant per Microchip product page. Lead-free (Pb-free) per Microchip packaging marking. AEC-Q100 not qualified - for AEC-Q100 automotive applications consult Microchip dsPIC33F automotive variants. Halogen-free status not confirmed from provided data.
