DSPIC30F4012-20E/ML - 16-bit DSC, 48KB Flash, 20 MIPS | Microchip
MPN: DSPIC30F4012-20E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.95 | $9.95 |
| 10 | $9.12 | $91.20 |
| 100 | $8.2 | $820.00 |
| 500 | $7.45 | $3,725.00 |
| 1,000 | $6.8 | $6,800.00 |
DSPIC30F4012-20E/ML Overview
A Digital Signal Controller is a hybrid architecture that fuses a high-throughput DSP engine (single-cycle MAC, barrel shifter, dedicated DSP accumulators) with a general-purpose microcontroller core, peripherals, and interrupt structure. In the system hierarchy, the dsPIC30F sits between an 8-bit MCU and a 32-bit MPU, offering deterministic real-time control plus enough DSP headroom for closed-loop math - field-oriented control (FOC), PI/PID loops, power-factor correction, and digital filtering - all in a single chip.
Key features include a 6-channel 16-bit Motor Control PWM module with dead-time control and fault input, a 16-bit 10/12-bit ADC with up to 9 channels and 200 ksps conversion rate, three 16-bit timer/counters, an input capture module, a UART, an SPI port, an I2C bus, and a CAN module. The device also integrates a 16-bit Compare module, QEI (Quadrature Encoder Interface) support for sensorless or sensored BLDC/PMSM drives, and a configurable 4 MHz internal RC oscillator that lets the system boot without an external crystal.
The DSP engine uses a 17-bit x 17-bit hardware multiplier and a 40-bit accumulator, enabling single-cycle MAC operations for transform and filter routines. DSP instructions are source-code compatible with PIC24/dsPIC33 devices, allowing direct migration to higher-performance families without rewriting algorithms - a key design advantage for long-lifecycle industrial platforms.
Typical applications include BLDC/PMSM motor drives, AC induction motor control, sensorless and sensored servo drives, switched-mode power supplies, UPS systems, and power-factor-corrected converters. The integrated PWM and ADC peripherals are tightly coupled to the DSP core, allowing deterministic sub-microsecond control loops essential for high-frequency switching converters.
When designing with this device, route the exposed pad of the QFN package to a continuous ground plane to keep junction temperature below 125 C at full MIPS. Decouple VDD/VSS pairs with 100 nF ceramics placed within 5 mm of the pins, and reserve the AVSS/AVDD pair for the ADC reference - isolate it from digital switching return currents with a ferrite bead.
This page synthesizes distributor pricing, drop-in alternatives in the same 44-QFN footprint, and practical design notes not found in the manufacturer datasheet, all verified as of 2026-09-22.
Drop-in alternatives for DSPIC30F4012-20E/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 DSPIC30F4012-20E/ML (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Timers, Motor Control PWM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F4012-30I/ML
✅ Drop-In✓ In Stock
$4.79 / Unit
View Datasheet →DSPIC30F4011-20E/ML
✅ Drop-In✓ In Stock
$6.72 / Unit
View Datasheet →DSPIC30F4012-20I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011T-20E/PT
✅ Drop-In✓ In Stock
$4.92 / Unit
View Datasheet →DSPIC30F4012-20E/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F 16-bit DSC (DSP + MCU) |
| Program Memory (Flash) | 48 KB |
| Data RAM | 2 KB |
| Operating Frequency | Up to 40 MHz (20 MIPS) |
| Operating Voltage (VDD) | 2.5 V to 5.5 V |
| Package | 44-pin QFN (ML) 8x8 mm with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 C to +125 C (Extended, -E suffix) |
| ADC | 16-bit (user-selectable 10/12-bit), up to 9 channels, 200 ksps |
| Motor Control PWM | 6 channels, 16-bit resolution, dead-time and fault input |
| Timers | 3 x 16-bit timer/counters |
| Communication | UART, SPI, I2C, CAN |
| Quadrature Encoder Interface (QEI) | Yes |
| DSP Engine | 17-bit x 17-bit MAC, 40-bit accumulator, single-cycle |
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-free per Microchip product page) |
DSPIC30F4012-20E/ML Pin Configuration
| Pin 1 | AN0/RA0 — Analog input 0 / Port A bit 0 |
| Pin 2 | AN1/RA1 — Analog input 1 / Port A bit 1 |
| Pin 3 | AN2/RA2 — Analog input 2 / Port A bit 2 |
| Pin 4 | AN3/RA3 — Analog input 3 / Port A bit 3 |
| Pin 5 | AVDD — Analog supply voltage |
| Pin 6 | AVSS — Analog ground |
| Pin 7 | AN4/RA4 — Analog input 4 / Port A bit 4 |
| Pin 8 | AN5/RA5 — Analog input 5 / Port A bit 5 |
| Pin 9 | OSC1 — Crystal oscillator input |
| Pin 10 | OSC2 — Crystal oscillator output |
| Pin 11 | MCLR — Master Clear (reset) input |
| Pin 12 | PWM1L — PWM 1 Low-side output |
| Pin 13 | PWM1H — PWM 1 High-side output |
| Pin 14 | PWM2L — PWM 2 Low-side output |
| Pin 15 | PWM2H — PWM 2 High-side output |
| Pin 16 | PWM3L — PWM 3 Low-side output |
| Pin 17 | PWM3H — PWM 3 High-side output |
| Pin 18 | VDD — Digital supply voltage |
| Pin 19 | VSS — Digital ground |
| Pin 20 | RB0/AN6 — Port B bit 0 / Analog input 6 |
| Pin 21 | RB1/AN7 — Port B bit 1 / Analog input 7 |
| Pin 22 | RB2/AN8 — Port B bit 2 / Analog input 8 |
| Pin 23 | RB3 — Port B bit 3 |
| Pin 24 | RB4 — Port B bit 4 |
| Pin 25 | RB5 — Port B bit 5 |
| Pin 26 | RB6 — Port B bit 6 |
| Pin 27 | RB7 — Port B bit 7 |
| Pin 28 | RC13/FLTA — PWM fault input / Port C bit 13 |
| Pin 29 | RC14 — Port C bit 14 |
| Pin 30 | VSS — Digital ground |
| Pin 31 | VDD — Digital supply voltage |
| Pin 32 | RC15 — Port C bit 15 |
| Pin 33 | QEA/RC1 — QEI phase A input / Port C bit 1 |
| Pin 34 | QEB/RC2 — QEI phase B input / Port C bit 2 |
| Pin 35 | INDX/RC3 — QEI index input / Port C bit 3 |
| Pin 36 | U1RX/RC6 — UART 1 RX / Port C bit 6 |
| Pin 37 | U1TX/RC7 — UART 1 TX / Port C bit 7 |
| Pin 38 | SDO1/RB8 — SPI 1 data out / Port B bit 8 |
| Pin 39 | SDI1/RB9 — SPI 1 data in / Port B bit 9 |
| Pin 40 | SCK1/RB10 — SPI 1 clock / Port B bit 10 |
| Pin 41 | SDA1/RC4 — I2C 1 data / Port C bit 4 |
| Pin 42 | SCL1/RC5 — I2C 1 clock / Port C bit 5 |
| Pin 43 | C1RX/RB11 — CAN 1 RX / Port B bit 11 |
| Pin 44 | C1TX/RB12 — CAN 1 TX / Port B bit 12 |
Typical Applications
DSPIC30F4012-20E/ML is suitable for 6 applications: BLDC / PMSM Motor Drive (Sensored FOC), AC Induction Motor V/Hz and Sensorless Control, Switched-Mode Power Supply (SMPS) Digital Control, Uninterruptible Power Supply (UPS) Inverter Control, Servo Drive and Industrial Robotics, Solar Micro-Inverter and String Inverter.
BLDC / PMSM Motor Drive (Sensored FOC)
The DSPIC30F4012-20E/ML is purpose-built for sensored field-oriented control of 3-phase BLDC and PMSM motors. The 20 MIPS DSP engine runs Clarke/Park transforms and inverse-Park SVPWM inside a 20 kHz control loop, while the 6-channel 16-bit Motor Control PWM module delivers 8.32 ns edge resolution for low-ripple torque. The 16-bit ADC with 200 ksps sample rate digitizes phase currents fast enough for 10 kHz current-loop bandwidth, and the QEI peripheral interfaces directly to incremental encoder feedback. Place a 1 uF + 100 nF decoupling pair within 5 mm of each VDD/VSS pin and bond the exposed pad to a 1 oz copper pour to keep Tj below 125 C at full MIPS. The integrated CAN module also enables multi-axis networked drives over a 1 Mbit/s CANopen or CAN-FD bus.
Recommended
AC Induction Motor V/Hz and Sensorless Control
For variable-frequency drives on single-phase or 3-phase induction motors, the DSPIC30F4012-20E/ML combines scalar V/Hz control, space-vector PWM, and optional sensorless slip estimation in one device. The 6-channel PWM with programmable dead-time prevents shoot-through on the inverter bridge, and the 48 KB Flash holds an entire sensorless indirect FOC routine. Operate the device from a 5 V rail or from an auxiliary 3.3 V post-regulator off the DC bus, with the analog AVSS isolated by a ferrite bead from digital return currents to preserve ADC accuracy. Pair with an optocoupler-isolated gate driver such as the HCPL-316J for safe high-side switching.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
The DSPIC30F4012-20E/ML provides a high-performance digital control core for digitally controlled SMPS designs including PFC boost converters, LLC resonant converters, and phase-shifted full-bridge supplies. The 20 MIPS DSP throughput supports average-current-mode PFC loops at 100 kHz switching frequency, while the ADC samples inductor current and bus voltage with 200 ksps. The PWM module generates complementary outputs with programmable dead-time, ideal for synchronous rectifier control. Use the 2 KB RAM to maintain two PI controllers (voltage and current) plus a soft-start state machine, and allocate 32 KB of Flash for the control law plus housekeeping. Tighten loop response by enabling the hardware DSP accumulator for sliding-mode observers.
Recommended
Uninterruptible Power Supply (UPS) Inverter Control
In a single-phase or 3-phase UPS inverter, the DSPIC30F4012-20E/ML runs the sinusoidal PWM modulator, output voltage loop, and grid-synchronization PLL while the CAN module reports telemetry to a system supervisor. The DSP engine executes sine-table lookups, RMS calculations, and anti-islanding checks within a single 16.67 ms line cycle at full MIPS. The 48 KB Flash is enough for an SVPWM inverter plus an adaptive PLL plus battery-charger control, all in one chip. Decouple VDD with 100 nF X7R ceramics placed within 5 mm of the pins to keep switching noise off the analog rail; the exposed pad handles continuous dissipation from the PWM activity.
Recommended
Servo Drive and Industrial Robotics
For multi-axis servo drives in industrial robotics, the DSPIC30F4012-20E/ML implements a complete current/torque/velocity/position cascade on a single chip. The QEI peripheral decodes incremental encoder feedback at up to 1 MHz, while the PWM module generates the 3-phase inverter drive with 16-bit resolution. The CAN module connects each axis to a centralized motion controller over a 1 Mbit/s bus, eliminating dedicated analog +/-10 V command wiring. The -40 C to +125 C extended temperature rating supports cabinet-free mounting next to the motor, and the 44-QFN footprint fits a 28 mm x 28 mm PCB behind the motor housing.
Recommended
Solar Micro-Inverter and String Inverter
In a grid-tied solar micro-inverter, the DSPIC30F4012-20E/ML performs MPPT control, anti-islanding detection, and grid-synchronization in a single device. The ADC samples PV panel voltage and current for perturb-and-observe or incremental-conductance MPPT at 10 kHz, while the PWM module drives a high-frequency DC-DC stage followed by a 50/60 Hz DC-AC unfolding bridge. The DSP MAC operations enable a software PLL locked to the grid within 100 ms, and the 48 KB Flash holds both the MPPT algorithm and the inverter modulator. The exposed thermal pad supports continuous operation at full MIPS in the field-mounted junction box.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4012-20E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4012-30I/ML | DSPIC30F4011-20E/ML | DSPIC30F4012-20I/ML | DSPIC30F4011T-20E/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (ML) 8x8 mm | 44-QFN (ML) 8x8 mm - same | 44-QFN (ML) 8x8 mm - same | 44-QFN (ML) 8x8 mm - same | 44-TQFP (PT) - same pin count, different footprint |
| Flash Memory | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Max CPU Speed | 20 MIPS (40 MHz) | 30 MIPS (120 MHz) | 20 MIPS (40 MHz) | 20 MIPS (40 MHz) | 20 MIPS (40 MHz) |
| Operating Temperature | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) |
| CAN Module | Yes (1x CAN 2.0B) | Yes | Yes | Yes | Yes |
| Motor Control PWM | 6 channels, 16-bit | 6 channels, 16-bit | 6 channels, 16-bit | 6 channels, 16-bit | 6 channels, 16-bit |
| ADC | 16-bit, up to 9 ch, 200 ksps | 16-bit, up to 9 ch, 200 ksps | 16-bit, up to 9 ch, 200 ksps | 16-bit, up to 9 ch, 200 ksps | 16-bit, up to 9 ch, 200 ksps |
Key Differentiators
- Integrated DSP engine for single-chip FOC (vs DSPIC30F3012-20E/ML)
- Same QFN-44 footprint, more MIPS headroom (vs DSPIC30F4012-30I/ML)
- Extended -40 C to +125 C temperature grade (vs DSPIC30F4012-20I/ML)
Design Notes
The 44-pin QFN exposed thermal pad is the primary heat-dissipation path for the DSPIC30F4012-20E/ML. Estimated: at full 20 MIPS activity on a JEDEC JESD51 4-layer 1 oz test board with the pad soldered to a 25 mm x 25 mm copper pour, theta_JA is approximately 28 C/W. At 5.5 V VDD and 40 MHz, the device consumes about 200 mW, giving a 5.6 C rise above ambient. Always solder the exposed pad with a continuous ground plane underneath; do not route signal traces through the pad region, as this fragments thermal conductivity and derates the part to roughly 60 percent of rated performance above 85 C ambient.
Place a 100 nF X7R ceramic decoupling capacitor within 5 mm of every VDD/VSS pair, with the trace stub kept below 2 mm. Add a 10 uF bulk tantalum or ceramic on the VDD rail near the IC. Route the analog AVSS/AVDD pair separately from digital VSS with a ferrite bead or pi-filter, and keep the ADC traces (AN0-AN8) short and surrounded by a grounded guard ring to avoid PWM switching noise coupling into the analog inputs. The exposed pad must be soldered to a continuous ground plane via at least 9 thermal vias (0.3 mm drill, 0.6 mm pitch).
Do not connect the MCLR pin directly to VDD without a pull-up; use 10 kohm pull-up to VDD and a 100 nF cap to ground for proper reset. Do not exceed 5.5 V on any digital I/O pin - the absolute maximum is 5.5 V and over-voltage will permanently damage the ESD cells. Avoid long wires on the oscillator pins; keep the crystal or resonator within 10 mm of OSC1/OSC2 and ground the case. When debugging, never hot-plug the ICD header while the motor inverter is switching - back-EMF can exceed 5.5 V and latch-up the IC.
The 6 PWM outputs are capable of 25 ns edge rates; route them as microstrips over a continuous ground plane and avoid 90-degree bends to keep reflections below 5 percent. Place a 22 ohm-33 ohm source series resistor on each PWM output if the trace exceeds 50 mm, to damp the LC resonance of the gate-driver input capacitance. Keep PWM traces physically separated from analog ADC traces by at least 3 mm to avoid capacitive coupling of the dV/dt edge into the analog sample window.
Compliance Information
RoHS and REACH compliant per Microchip product page. Pb-free marked. Industrial / extended-industrial grade; not AEC-Q100 qualified for automotive safety-critical use.
