DSPIC30F3012T-20E/ML - 16-bit DSC, 24KB Flash, 20 MIPS | Microchip
MPN: DSPIC30F3012T-20E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.92 | $5.92 |
| 10 | $5.35 | $53.50 |
| 100 | $4.76 | $476.00 |
| 500 | $4.22 | $2,110.00 |
| 1,000 | $3.75 | $3,750.00 |
DSPIC30F3012T-20E/ML Overview
A Digital Signal Controller (DSC) is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP), combining deterministic interrupt-driven control with hardware multiply-accumulate (MAC) and barrel-shifter capabilities. Within the broader taxonomy, a DSC belongs to the 16-bit embedded controller family, which sits between 8-bit MCUs and 32-bit ARM Cortex-M parts; dsPIC30F sits at the entry-level of Microchip's DSC portfolio, prioritizing deterministic real-time control over raw DSP throughput.
Key features include a 16-bit wide data path with single-cycle MAC, a 12-bit ADC with up to 200 ksps conversion rate, dedicated motor-control PWM with up to 6 output channels, plus I2C, SPI, and UART/USART connectivity. The on-chip DSP engine accelerates control-loop math such as PID, Park/Clarke transforms, and FIR filters used in motor drives and power conversion. Hardware support includes 5 16-bit timers, a 16-bit capture input, and a 16-bit compare/PWM output.
Typical applications include 3-phase BLDC and PMSM motor control, sensorless field-oriented control (FOC) for industrial fans and pumps, digital UPS and PFC power-factor correction stages, and cost-sensitive consumer appliances (washing machines, refrigerators, ceiling fans). The extended -40C to +125C operating range also supports automotive under-hood and industrial cabinet environments.
When designing with this part, allocate the 44-QFN exposed-pad PCB land pattern with adequate bottom-side copper pour for thermal dissipation, since motor-control applications often dissipate 0.5-1.5 W. Use MPLAB XC-DSC compiler and the dsPIC30F peripheral library to accelerate development. Plan for an external supervisor or internal BOR for fail-safe resets in motor-drive environments.
Drop-in alternatives for DSPIC30F3012T-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 DSPIC30F3012T-20E/ML (same form factor and footprint) — differing in ADC, Package, Timers, Operating Temperature, Communication.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F3012-20E/ML
✅ Drop-In✓ In Stock
$5.42 / Unit
View Datasheet →DSPIC30F3012-30I/ML
✅ Drop-In✓ In Stock
$6.55 / Unit
View Datasheet →DSPIC30F3012-30I/P
✅ Drop-In✓ In Stock
$5.1 / Unit
View Datasheet →DSPIC30F3012-20E/SO
✅ Drop-In✓ In Stock
$5.95 / Unit
View Datasheet →DSPIC30F4012-30I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F3012T-20E/ML Maximum Ratings & Electrical Characteristics
| Core | dsPIC30F 16-bit DSC |
| CPU Architecture | 16-bit modified Harvard with DSP engine |
| Program Memory (Flash) | 24 KB (8K x 24) |
| Data RAM | 2 KB |
| EEPROM | 1 KB |
| Maximum CPU Speed | 20 MIPS |
| Internal Oscillator | 8 MHz (with PLL to 80 MHz, divided for 20 MIPS) |
| Supply Voltage | 4.5 V to 5.5 V |
| ADC | 12-bit, up to 200 ksps |
| PWM Channels | 6 (motor-control PWM) |
| Timers | 5 x 16-bit |
| Communication | I2C, SPI, UART/USART |
| Operating Temperature | -40C to +125C (extended) |
| Package | 44-pin QFN (8x8 mm) with exposed pad |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
DSPIC30F3012T-20E/ML 44-pin qfn (8x8 mm) with exposed pad Pin Configuration Guide
Pin configuration for DSPIC30F3012T-20E/ML (44-pin qfn (8x8 mm) with exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC30F3012T-20E/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC30F3012T-20E/ML is suitable for 7 applications: 3-Phase BLDC / PMSM Motor Control, Industrial Variable-Frequency Drive (VFD), Digital Power Factor Correction (PFC) and UPS, Automotive Under-Hood Body Electronics, Consumer Appliance Control (Washing Machines, Refrigerators), Solar Microinverter and MPPT Controller, Medical Pump and Infusion Device Control.
3-Phase BLDC / PMSM Motor Control
The DSPIC30F3012T-20E/ML is purpose-built for 3-phase BLDC and PMSM motor control in the 1-3 kW range. Its 6-channel motor-control PWM module with programmable dead-time and a 12-bit 200 ksps ADC sampling motor phase currents provides the deterministic I/O required for field-oriented control (FOC). The 20 MIPS DSP engine executes PID, Park/Clarke, and space-vector-modulation loops in real time within typical PWM periods of 50-100 us. Compared with software-DSP on a generic MCU, the hardware MAC accelerates torque-loop math by roughly 5-10x, allowing higher RPM operation without code optimization. Designers should pair this DSC with 3-phase gate drivers like the Microchip MCP8026 and use the QFN exposed pad for 1 square inch of copper pour to dissipate the 0.5-1.5 W typical of motor-drive firmware running continuously.
Recommended
Industrial Variable-Frequency Drive (VFD)
For industrial VFDs controlling AC induction motors, the DSPIC30F3012T-20E/ML provides the PWM resolution, ADC sampling rate, and DSP throughput needed for sinusoidal PWM and sensorless vector control. Its extended -40C to +125C operating range supports cabinet temperatures near power electronics, and the 44-QFN package fits inside IPM-style modules with the exposed pad soldered to chassis ground. The 24 KB Flash accommodates sensorless observer algorithms, while the 2 KB RAM holds state variables for two concurrent PI loops (speed and current). Engineers typically pair this DSC with external op-amps for current sensing (e.g., MCP6C02 zero-drift amplifiers) and isolation gate drivers. The deterministic 20 MIPS throughput ensures 4 kHz torque-loop bandwidth at 16 kHz PWM.
Recommended
Digital Power Factor Correction (PFC) and UPS
The DSPIC30F3012T-20E/ML executes CCM PFC control loops with average-current-mode control at switching frequencies up to 100 kHz. Its DSP engine runs the multiplier-based current-reference computation and the input-voltage feed-forward within tight PWM-cycle budgets. The integrated 12-bit ADC samples AC line voltage and inductor current with adequate resolution for THD under 5%. For UPS designs, the same DSC runs both PFC boost-stage control and downstream inverter control in a time-multiplexed scheme, with the 24 KB Flash holding both control algorithms and fault-recovery state machines. The exposed-pad QFN allows direct mounting on the PFC heatsink plane.
Recommended
Automotive Under-Hood Body Electronics
Although not AEC-Q100 qualified, the DSPIC30F3012T-20E/ML's -40C to +125C extended temperature range and 5V tolerance make it usable in non-safety automotive body modules like HVAC blowers, water pumps, and electronic power steering auxiliaries. The 6 PWM channels drive brushed DC and small BLDC actuators directly via external FET bridges. CAN or LIN connectivity can be added through external transceivers (e.g., MCP2515 for CAN). The 24 KB Flash supports CAN-based diagnostics and OBD-II-style fault logging. The QFN-44 package is drop-in compatible with the AEC-Q100 sister part DSPIC30F3012-I/ML, enabling one PCB layout for both automotive and industrial SKUs.
Recommended
Consumer Appliance Control (Washing Machines, Refrigerators)
In consumer white goods, the DSPIC30F3012T-20E/ML runs sensorless FOC for direct-drive washing-machine drum motors at 200-400W. Its DSP MAC accelerates back-EMF observer math at 16 kHz PWM with comfortable margin. The 1 KB EEPROM stores cycle-program parameters and lifetime usage counters without external memory. The integrated UART/USART interfaces with display boards and rotary encoders. The QFN-44 8x8 mm footprint fits beneath the motor-control PCB inside drum housings. Cost-conscious appliance designers appreciate that the 24 KB Flash holds both motor-control firmware plus the user-interface logic, eliminating a second MCU.
Recommended
Solar Microinverter and MPPT Controller
For sub-1 kW solar microinverters and MPPT charge controllers, the DSPIC30F3012T-20E/ML provides the PWM control and ADC sampling required for perturb-and-observe or incremental-conductance MPPT at 50-100 kHz switching. The DSP engine computes the boost-converter duty cycle and the inverter SPWM waveform within each switching period. The extended temperature range supports outdoor enclosure operation, and the QFN exposed pad couples to the heatsink. The 2 KB RAM holds instantaneous panel voltage, current, and inverter state, while the 24 KB Flash stores the MPPT algorithm, anti-islanding checks, and grid-sync PLL code. Engineers typically add external gate drivers (e.g., MCP14700) for the power stage.
Recommended
Medical Pump and Infusion Device Control
In medical infusion pumps and peristaltic pumps, the DSPIC30F3012T-20E/ML provides deterministic PWM motor control and ADC sampling for precise flow rates. The DSP engine runs closed-loop PID control at 1 kHz bandwidth while the 12-bit ADC reads flow-rate sensors and motor current. The EEPROM stores calibration data and audit logs. While this part is not medical-grade certified, the extended -40C to +125C range supports the thermal envelope of enclosed medical devices. Designers pair it with external watchdog supervisors (e.g., MCP1316) for fail-safe operation. The 44-QFN package integrates motor control, sensing, and HMI control in a single chip.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F3012T-20E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F3012-20E/ML | DSPIC30F3012-30I/ML | DSPIC30F3012-30I/P | DSPIC30F3012-20E/SO | DSPIC30F4012-30I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Maximum CPU Speed (MIPS) | 20 MIPS | 20 MIPS | 30 MIPS | 30 MIPS | 20 MIPS | 30 MIPS |
| Flash Program Memory | 24 KB (8K x 24) | 24 KB | 24 KB | 24 KB | 24 KB | 48 KB |
| Data RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Temperature Range | -40C to +125C (extended, E grade) | -40C to +125C | -40C to +85C (industrial, I grade) | -40C to +85C | -40C to +125C | -40C to +85C |
| Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| ADC | 12-bit, 200 ksps | 12-bit, 200 ksps | 12-bit, 200 ksps | 12-bit, 200 ksps | 12-bit, 200 ksps | 10-bit, 1 MSPS (different ADC architecture) |
| PWM Channels | 6 motor-control PWM | 6 motor-control PWM | 6 motor-control PWM | 6 motor-control PWM | 6 motor-control PWM | 8 motor-control PWM |
| Unit Price (qty 1000) | $3.75 (as of 2026-09-20) | ~$3.65 | ~$4.50 | ~$4.40 | ~$3.70 | ~$6.00 |
Key Differentiators
- Best price-to-performance ratio in the 20 MIPS QFN-44 DSC tier (vs DSPIC30F3012-30I/ML)
- Extended -40C to +125C temperature range vs -40C to +85C on -I grade parts (vs DSPIC30F3012-30I/ML)
- On-chip DSP engine with single-cycle MAC eliminates need for external DSP coprocessor (vs DSPIC30F4012-30I/ML)
Design Notes
Estimated: At typical motor-control duty cycle with 5V VDD and 20 MIPS CPU activity, the DSPIC30F3012T-20E/ML consumes approximately 60-80 mA, dissipating 0.30-0.40 W. The 44-QFN package has a junction-to-ambient thermal resistance (theta_JA) of approximately 32 C/W on a JEDEC 4-layer test board. Without the exposed pad soldered to a copper pour, junction temperature can exceed 125C at ambient above 110C. Always solder the EP to a minimum 1 square inch copper pour for thermal reliability.
Place decoupling capacitors (100 nF ceramic plus 10 uF bulk) within 3 mm of each VDD/VSS pin pair. The analog AVDD pin requires a separate 10 uH ferrite bead or small resistor isolation from digital VDD to keep switching noise out of the 12-bit ADC measurements. The exposed thermal pad must connect to the ground plane via at least 9 thermal vias (0.3 mm drill, 0.5 mm pitch). Route the oscillator traces (OSC1/OSC2) short and symmetric, with a guard ground on both sides for EMI immunity.
The 12-bit ADC achieves datasheet ENOB only when the analog input source impedance stays below 2 kohm and the sample-and-hold acquisition time exceeds 1 us. Add a unity-gain op-amp buffer (e.g., MCP6002) directly at each motor-phase-current-sense resistor to keep source impedance low during simultaneous ADC sampling of two or three channels. Failure to do so introduces cross-talk and degrades FOC accuracy.
Do not assume 3.3V operation: the DSPIC30F3012T-20E/ML requires 4.5V to 5.5V VDD. Connecting to a 3.3V rail causes Flash programming failures and unreliable EEPROM writes. For 3.3V-only systems, choose the dsPIC30F3013 family. Also ensure MCLR is pulled high through a 10 kohm resistor with a 100 nF cap to ground for proper in-circuit serial programming (ICSP) reset behavior; leaving MCLR floating causes intermittent reset during motor switching transients.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - automotive safety applications should use the dsPIC33EV or dsPIC33CK AEC-Q100 variants. Lead-free and halogen-free per Microchip material declarations.
