DSPIC30F4012-30I/ML - 16-bit 30MIPS 48KB Flash DSC | Microchip
MPN: DSPIC30F4012-30I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.32 | $8.32 |
| 10 | $7.45 | $74.50 |
| 100 | $6.18 | $618.00 |
| 500 | $5.42 | $2,710.00 |
| 1,000 | $4.79 | $4,790.00 |
DSPIC30F4012-30I/ML Overview
A DSC (Digital Signal Controller) is a hybrid processor architecture that fuses a microcontroller's deterministic interrupt handling and peripheral integration with a digital signal processor's single-cycle MAC (multiply-accumulate) engine and Harvard bus. Within the broader taxonomy, the DSPIC30F4012 sits at: DSC -> 16-bit DSC -> motor-control DSC -> embedded microcontroller -> semiconductor. The 30 MIPS core can sustain single-cycle MAC operations, supporting closed-loop control loops at PWM frequencies up to the tens of kHz typical of field-oriented control (FOC) of three-phase PMSM or BLDC motors.
Key features include 2KB SRAM data memory, 1KB EEPROM, a 12-bit ADC with up to 13 input channels and 200 ksps conversion rate, a 6-channel 16-bit Motor Control PWM module with dedicated fault inputs, two UART modules, one SPI, one I2C, two CAN modules, four 16-bit timers, and 20 general-purpose I/O pins. The 44-QFN exposed-pad package provides a thermal resistance suitable for industrial temperature operation over -40C to +85C.
Architecturally, the DSPIC30F4012 uses a 24-bit instruction word with separate program and data paths (modified Harvard), 16 working registers, and DSP instructions including zero-overhead loops. Two 40-bit accumulators support fractional 1.15 fixed-point math, and a single-cycle MAC enables real-time transforms such as Park/Clarke and PID loops without CPU saturation.
Typical applications include sensorless and sensored BLDC/PMSM motor drives, AC induction motor vector control, power-conversion controllers (UPS, PFC, solar inverter), industrial automation drives, and automotive body-control ECUs. The integrated CAN, dual UART, and PWM make the part well-suited to CAN-connected motor nodes and multi-axis servo systems.
When designing with the DSPIC30F4012, ensure the exposed pad is soldered to a sufficient copper area to meet the package's thermal envelope, and place the analog AVdd/AVss pair with clean ground isolation because the 12-bit ADC performance depends heavily on power-rail decoupling. MPLAB X IDE with the XC16 compiler is the canonical firmware toolchain.
This page consolidates distributor pricing, same-package drop-in alternatives, and design considerations synthesized from the manufacturer datasheet and authorized distributor listings - context not available from a single source.
Drop-in alternatives for DSPIC30F4012-30I/ML — 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 DSPIC30F4012-30I/ML (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Timers, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F4012-20I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011T-30I/ML
✅ Drop-In✓ In Stock
$5.2 / Unit
View Datasheet →DSPIC30F4011T-20I/ML
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →DSPIC30F3012-20E/ML
✅ Drop-In✓ In Stock
$5.42 / Unit
View Datasheet →DSPIC30F4012T-30I/ML
✅ Drop-In✓ In Stock
$6.15 / Unit
View Datasheet →DSPIC30F4012-30I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4012-30I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F 16-bit DSC |
| Program Memory (Flash) | 48 KB (16K x 24) |
| Data SRAM | 2 KB |
| Data EEPROM | 1 KB |
| Instruction Throughput | 30 MIPS |
| Supply Voltage (Vdd) | 3.0 V to 5.5 V |
| ADC | 12-bit, up to 200 ksps |
| ADC Input Channels | Up to 13 |
| Motor Control PWM | 6 channels, 16-bit, with fault inputs |
| Communication | 2x UART, 1x SPI, 1x I2C, 2x CAN |
| Timers | 5 x 16-bit |
| I/O Pins | 20 |
| Operating Temperature | -40 C to +85 C (industrial) |
| Package | 44-pin QFN (8x8 mm) with exposed pad |
| RoHS Status | Compliant |
DSPIC30F4012-30I/ML Pin Configuration
| Pin 1 | AN0/VREF+/CN2 — Analog input 0 / positive voltage reference / change notification 2 |
| Pin 2 | AN1/VREF-/CN3 — Analog input 1 / negative voltage reference / change notification 3 |
| Pin 3 | AN2/C2IN-/CN4 — Analog input 2 / comparator 2 inverting / CN4 |
| Pin 4 | AN3/C2IN+/CN5 — Analog input 3 / comparator 2 non-inverting / CN5 |
| Pin 5 | AVDD — Analog supply voltage |
| Pin 6 | AVSS — Analog ground |
| Pin 7 | AN4/C1IN-/CN6 — Analog input 4 / comparator 1 inverting / CN6 |
| Pin 8 | AN5/C1IN+/CN7 — Analog input 5 / comparator 1 non-inverting / CN7 |
| Pin 9 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 10 | OSC2/CLKO — Crystal oscillator output / system clock output |
| Pin 11 | MCLR — Master clear (reset) input |
| Pin 12 | PGED1/PWM1L — Programming data 1 / PWM1 low-side output |
| Pin 13 | PGEC1/PWM1H — Programming clock 1 / PWM1 high-side output |
| Pin 14 | PGED2/PWM2L — Programming data 2 / PWM2 low-side output |
| Pin 15 | PGEC2/PWM2H — Programming clock 2 / PWM2 high-side output |
| Pin 16 | PWM3L/CN1 — PWM3 low-side / change notification 1 |
| Pin 17 | PWM3H/CN0 — PWM3 high-side / change notification 0 |
| Pin 18 | FLTA — PWM fault A input |
| Pin 19 | VDD — Digital supply voltage |
| Pin 20 | VSS — Digital ground |
| Pin 21 | U2RX/CN17 — UART2 receive / CN17 |
| Pin 22 | U2TX/CN18 — UART2 transmit / CN18 |
| Pin 23 | U1RX/CN21/RB0 — UART1 receive / CN21 |
| Pin 24 | U1TX/CN22/RB1 — UART1 transmit / CN22 |
| Pin 25 | SCK1/CN19 — SPI1 clock / CN19 |
| Pin 26 | SDI1/CN20 — SPI1 data-in / CN20 |
| Pin 27 | SDO1/CN23 — SPI1 data-out / CN23 |
| Pin 28 | SDA1/CN24 — I2C1 data / CN24 |
| Pin 29 | SCL1/CN25 — I2C1 clock / CN25 |
| Pin 30 | C1RX/CN26 — CAN1 receive / CN26 |
| Pin 31 | C1TX/CN27 — CAN1 transmit / CN27 |
| Pin 32 | C2RX/CN8 — CAN2 receive / CN8 |
| Pin 33 | C2TX/CN9 — CAN2 transmit / CN9 |
| Pin 34 | T1CK/CN30 — Timer1 clock / CN30 |
| Pin 35 | T2CK/IC1/CN29 — Timer2 clock / input capture 1 / CN29 |
| Pin 36 | T3CK/IC2/CN28 — Timer3 clock / input capture 2 / CN28 |
| Pin 37 | T4CK/OCFA/CN1 — Timer4 clock / OC fault A / CN1 |
| Pin 38 | T5CK/OC1/CN10 — Timer5 clock / output compare 1 / CN10 |
| Pin 39 | OC2/CN11 — Output compare 2 / CN11 |
| Pin 40 | OC3/CN12 — Output compare 3 / CN12 |
| Pin 41 | INT0/CN13 — External interrupt 0 / CN13 |
| Pin 42 | INT1/CN14 — External interrupt 1 / CN14 |
| Pin 43 | INT2/CN15 — External interrupt 2 / CN15 |
| Pin 44 | VDD — Digital supply voltage |
Typical Applications
DSPIC30F4012-30I/ML is suitable for 8 applications: BLDC / PMSM Motor Drive (FOC), AC Induction Motor Vector Control, Power Factor Correction (PFC) Controller, Solar Microinverter / String Inverter, Industrial Servo / Robotics Joint Controller, Automotive Body Electronics / Fan / Pump ECU, Uninterruptible Power Supply (UPS) Controller, Sensorless HVAC Compressor Drive.
BLDC / PMSM Motor Drive (FOC)
The DSPIC30F4012-30I/ML is purpose-built for 3-phase BLDC and PMSM drives using field-oriented control. Its 30 MIPS DSP core runs the Park/Clarke transforms, space-vector modulation, and PI current loops at PWM frequencies up to 20 kHz without saturating. The on-chip 6-channel 16-bit Motor Control PWM with dedicated fault inputs (FLTA) provides hardware shutdown within nanoseconds on overcurrent, while the 12-bit 200 ksps ADC samples phase currents synchronously to the PWM carrier. The 48KB Flash holds full sensorless observer firmware (sliding-mode or MRAS), and the second CAN module supports multi-axis CANopen or CAN-FD industrial networks. Use it where field-oriented control, dual CAN, and 44-QFN compactness are required simultaneously.
Recommended
AC Induction Motor Vector Control
For AC induction motor (ACIM) indirect field-oriented control, the DSPIC30F4012-30I/ML provides sufficient DSP bandwidth to compute rotor-flux estimation, slip compensation, and PI speed/current loops in real time. The 30 MIPS throughput sustains update rates above 4 kHz even with sensorless flux observer overhead. Dual CAN enables integration into industrial servo networks, while the 44-QFN (8x8 mm) exposed-pad package handles the thermal load of a fanless inverter up to ~1 kW at moderate switching frequencies. Industrial temperature grade (-40 C to +85 C) supports outdoor cabinet and motor-housing mounting.
Recommended
Power Factor Correction (PFC) Controller
The DSPIC30F4012-30I/ML can implement average-current-mode PFC for industrial power supplies up to ~2 kW. Its 30 MIPS DSP core computes the rectifier input-current reference, runs the inner current loop, and manages soft-start, brown-out, and AC-line cycle skipping - all within the same PWM cycle. The 12-bit ADC samples rectified line voltage and inductor current with synchronization to the zero-crossing detector, and the on-chip PWM generates the boost-converter gate drive. Dual UART allows digital supervisory communication with the host PSU controller. The 48KB Flash accommodates full IEC 61000-3-2 compliant PFC firmware.
Recommended
Solar Microinverter / String Inverter
In a grid-tied solar inverter, the DSPIC30F4012-30I/ML handles MPPT (perturb-and-observe or incremental-conductance), grid-synchronization PLL, anti-islanding detection, and the inverter's current-control loop. Its 30 MIPS DSP bandwidth supports 16 kHz switching with sinusoidal current shaping to meet IEEE 1547 harmonic limits. Dual CAN provides daisy-chained inter-module communication in multi-string systems. Industrial-grade temperature operation covers outdoor inverter enclosures, and the 44-QFN footprint suits compact microinverter PCBs where board area is at a premium.
Recommended
Industrial Servo / Robotics Joint Controller
Multi-axis robotic joints demand a compact controller with deterministic interrupt latency and CAN-based synchronization. The DSPIC30F4012-30I/ML fits one joint per chip with its quadrature encoder interface, 6-channel PWM for 3-phase servo drive, dual CAN for EtherCAT/CANopen slave communication, and 30 MIPS DSP core running the position/velocity/torque cascade. Industrial temperature operation supports integration inside the joint housing. The exposed-pad 44-QFN package manages servo-driver thermal dissipation and fits within the cramped envelope of a robotic joint module.
Recommended
Automotive Body Electronics / Fan / Pump ECU
Although not AEC-Q100 qualified, the DSPIC30F4012-30I/ML's industrial temperature grade (-40 C to +85 C) and 5V-tolerant I/O make it usable in non-safety automotive body modules such as HVAC blower controllers, water pumps, and seat-adjustment motors. The dual CAN bus provides OBD-II and body-CAN connectivity simultaneously, and the 6-channel PWM drives three-phase or multi-DC-motor loads directly. The 48KB Flash holds full LIN- or CAN-controlled motor management firmware with diagnostics and end-of-line test hooks. Migration to AEC-Q100 qualified dsPIC33 variants is documented in Microchip's automotive migration guide.
Recommended
Uninterruptible Power Supply (UPS) Controller
In a line-interactive or double-conversion UPS, the DSPIC30F4012-30I/ML performs real-time RMS calculation, battery-state estimation, inverter sinusoidal PWM generation, and transfer-switch control. The 30 MIPS DSP bandwidth supports the full 50/60 Hz inverter loop with sub-millisecond response to load steps. The 12-bit ADC digitizes battery voltage, charge current, and inverter output, while dual CAN enables integration into a UPS-array paralleling scheme. Industrial temperature operation suits server-room and industrial-UPS deployment, and the 44-QFN footprint fits inside the 1U UPS chassis.
Recommended
Sensorless HVAC Compressor Drive
Variable-speed HVAC compressors require sensorless back-EMF or flux-estimation control to eliminate the position sensor. The DSPIC30F4012-30I/ML's 30 MIPS DSP core runs the back-EMF observer at PWM-cycle rate, while its 12-bit ADC samples phase voltages synchronized to the zero-crossing detector. The 6-channel 16-bit PWM provides complementary outputs with programmable dead-time, critical for the IGBT gate-driver stage in a 200-400W compressor drive. Dual UART supports Modbus or BACnet HVAC-protocol connectivity, and the 44-QFN exposed-pad package dissipates the controller's own heat inside the sealed compressor housing.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4012-30I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4012-20I/ML | DSPIC30F4011T-30I/ML | DSPIC30F4011T-20I/ML | DSPIC30F3012-20E/ML | DSPIC30F4012T-30I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8) ML | 44-QFN (8x8) ML - same | 44-QFN (8x8) ML - same | 44-QFN (8x8) ML - same | 44-QFN (8x8) ML - same | 44-QFN (8x8) ML - same |
| CPU Throughput (MIPS) | 30 MIPS | 20 MIPS | 30 MIPS | 20 MIPS | 20 MIPS | 30 MIPS |
| Program Flash | 48 KB | 48 KB | 30 KB | 30 KB | 24 KB | 48 KB |
| Data SRAM | 2 KB | 2 KB | 1 KB | 1 KB | 1 KB | 2 KB |
| Motor Control PWM Channels | 6 channels (3 pairs) | 6 channels | 6 channels | 6 channels | 6 channels | 6 channels |
| CAN Modules | 2 | 2 | 1 | 1 | 1 | 2 |
| Operating Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C |
Key Differentiators
- Dual CAN bus for multi-bus industrial networking (vs DSPIC30F4011T-30I/ML)
- Maximum Flash in the F4011/4012 family (vs DSPIC30F3012-20E/ML)
- Higher CPU throughput than the -20 speed grade (vs DSPIC30F4012-20I/ML)
Design Notes
The 44-QFN (8x8 mm) exposed-pad package has a typical theta_JA of approximately 30-35 C/W on a standard JEDEC 4-layer test board. The DSPIC30F4012-30I/ML's industrial temperature envelope (-40 C to +85 C) is comfortable for the typical motor-control workload (core active 60-70% of the time, peripherals clocked), but the exposed pad MUST be soldered to a copper pour with at least 1 square inch of area on the top layer and thermal vias to inner planes to meet the datasheet thermal resistance. A starved thermal path can drive the silicon die above the rated junction temperature in sealed inverter housings.
According to the manufacturer datasheet, place the 10 uF bulk decoupling capacitor and 0.1 uF high-frequency bypass as close as possible to each VDD/VSS pair, with the bypass cap lead length under 2 mm to minimize parasitic inductance. The AVdd/AVss analog supply pins require a separate ferrite bead or LC filter from the digital VDD to keep ADC sampling noise below 1 LSB at 12-bit resolution. Route the PWM output traces as differential pairs (PWMxH/PWMxL) with matched lengths to within 50 mils to prevent asymmetric switching noise coupling into the analog inputs.
Estimated: At 30 MIPS sustained, the DSPIC30F4012-30I/ML's I/O pin toggle rate may surprise engineers used to slower 8-bit MCUs - current injection into adjacent analog inputs can exceed 1 LSB if PWM traces are routed within 5 mm of analog signal traces without a ground guard. The PWM fault input (FLTA pin 18) MUST be pulled high during normal operation; leaving it floating can produce spurious fault shutdowns. Also, do NOT leave the ICSP pins (PGED1/PGEC1/PGED2/PGEC2) unmasked in production firmware without a fuse setting, or in-circuit programming during field operation can corrupt on-chip EEPROM.
The 12-bit ADC achieves 200 ksps by sampling phase-current and bus-voltage feedback in tight synchronization with the PWM carrier. To preserve 70 dB+ SINAD, the ADC input traces must be guarded by ground pours on both sides, and the input RC anti-aliasing filter must be designed for a settling time under 1 us at full-scale step. The dsPIC30F4012's ADC is NOT ratiometric - it requires a clean external VREF+ reference or, for cost-sensitive designs, the internal bandgap reference (~1.2 V nominal) which drifts approximately +/- 50 ppm/C over the industrial temperature range.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade only - not AEC-Q100 qualified; not suitable for safety-critical automotive applications. For automotive designs, migrate to a Q1-qualified dsPIC33 part.
