DSPIC30F4011-20E/ML - 16-bit 20MIPS DSC 48KB Flash | Microchip
MPN: DSPIC30F4011-20E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $9.12 | $91.20 |
| 100 | $8.3 | $830.00 |
| 500 | $7.45 | $3,725.00 |
| 1,000 | $6.72 | $6,720.00 |
DSPIC30F4011-20E/ML Overview
A Digital Signal Controller (DSC) sits between a microcontroller (MCU) and a full digital signal processor (DSP). It merges deterministic MCU interrupt handling with single-cycle DSP multiply-accumulate capability, enabling real-time closed-loop control of motors, power converters and sensors while still running standard embedded C code. Within Microchip's taxonomy, the dsPIC30F family targets motor control and digital power conversion where deterministic PWM and fast ADC sampling matter more than raw CPU frequency.
Key features include up to 20 MIPS performance at 20 MHz oscillator input, 2048 bytes of RAM, 1024 bytes of EEPROM, 30 interrupt sources, three 16-bit timers and a 6-channel 10-bit 500 ksps ADC. The motor-control PWM module supports edge-aligned, center-aligned and multi-mode operation with up to six PWM outputs and four duty-cycle generators, while the quadrature encoder interface (QEI) module provides direct connection to incremental rotary encoders.
The architecture uses a modified Harvard design with separate 24-bit program and 16-bit data paths, dual data fetch ports, and a hardware DSP engine that performs a 17-bit x 17-bit MAC in a single instruction cycle. The 44-pin QFN (ML) package with thermal pad gives a compact footprint suitable for space-constrained sensor and BLDC driver boards where board area is at a premium.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives, sensorless field-oriented control (FOC) of three-phase motors, uninterruptible power supplies (UPS), digital power-factor correction (PFC) stages, and industrial sensor conditioning front-ends. The integrated CAN module and QEI make it equally suitable for CAN-connected industrial nodes and servo-positioning axes.
When designing with this device, route the exposed thermal pad to a solid ground pour and keep the analog AVSS/AVDD pair isolated from noisy digital returns. The internal voltage regulator requires a low-ESR decoupling capacitor on VDD/VSS, and the motor-control PWM outputs should drive the gate driver through short, matched traces to avoid duty-cycle distortion at high PWM frequencies.
This page synthesizes distributor pricing, drop-in alternatives from Microchip's dsPIC30F4011/4012 family, and practical design notes that complement the manufacturer datasheet.
Drop-in alternatives for DSPIC30F4011-20E/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 DSPIC30F4011-20E/ML (same form factor and footprint) — differing in ADC, Operating Temperature, Package, Supply Voltage, Communication.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F4012-20E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011T-20E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4011-20I/ML
✅ Drop-In✓ In Stock
$4.15 / Unit
View Datasheet →DSPIC30F4011-30I/ML
✅ Drop-In✓ In Stock
$5.48 / Unit
View Datasheet →DSPIC30F3011-20E/ML
✅ Drop-In✓ In Stock
$4.13 / Unit
View Datasheet →DSPIC30F3010-30I/ML
✅ Drop-In✓ In Stock
$4.45 / Unit
View Datasheet →DSPIC30F4011-20E/ML Maximum Ratings & Electrical Characteristics
| Product Family | dsPIC30F |
| Core | 16-bit dsPIC DSC (modified Harvard RISC + DSP engine) |
| CPU Speed | 20 MIPS |
| Operating Frequency | 20 MHz (max) |
| Program Memory | 48 KB Flash (16K x 24) |
| Data RAM | 2048 bytes |
| Data EEPROM | 1024 bytes |
| Supply Voltage | 2.5 V to 5.5 V |
| ADC | 6-channel, 10-bit, up to 500 ksps |
| PWM Outputs | Up to 6 PWM channels (motor-control PWM module) |
| Communication | UART, SPI, I2C, CAN |
| Timers | Three 16-bit timers |
| Quadrature Encoder Interface | Yes (QEI module) |
| Interrupt Sources | 30 |
| Package | 44-QFN (8x8 mm) with exposed pad |
| Operating Temperature | -40 C to +125 C (extended, -E suffix) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
DSPIC30F4011-20E/ML Pin Configuration
| Pin 1 | OSC1/CLKIN — Oscillator crystal input or external clock input |
| Pin 2 | OSC2/CLKOUT — Oscillator crystal output or clock output |
| Pin 3 | MCLR — Master Clear (reset) input, active-low |
| Pin 4 | RA0/AN0 — PORTA bit 0 / ADC analog input 0 |
| Pin 5 | RA1/AN1 — PORTA bit 1 / ADC analog input 1 |
| Pin 6 | RA2/AN2 — PORTA bit 2 / ADC analog input 2 |
| Pin 7 | RA3/AN3 — PORTA bit 3 / ADC analog input 3 |
| Pin 8 | RA4/AN4 — PORTA bit 4 / ADC analog input 4 |
| Pin 9 | RA5/AN5 — PORTA bit 5 / ADC analog input 5 |
| Pin 10 | AVSS — Analog ground |
| Pin 11 | AVDD — Analog positive supply |
| Pin 12 | RB0 — PORTB bit 0 |
| Pin 13 | RB1 — PORTB bit 1 |
| Pin 14 | RB2 — PORTB bit 2 |
| Pin 15 | RB3 — PORTB bit 3 |
| Pin 16 | RB4 — PORTB bit 4 |
| Pin 17 | RB5 — PORTB bit 5 |
| Pin 18 | RB6 — PORTB bit 6 / PGEC (ICSP clock) |
| Pin 19 | RB7 — PORTB bit 7 / PGED (ICSP data) |
| Pin 20 | VSS — Digital ground |
| Pin 21 | VDD — Digital positive supply (2.5-5.5V) |
| Pin 22 | RC1/TXD — PORTC bit 1 / UART1 transmit |
| Pin 23 | RC2/RXD — PORTC bit 2 / UART1 receive |
| Pin 24 | RC3/SCK1 — PORTC bit 3 / SPI1 clock |
| Pin 25 | RC4/SDI1 — PORTC bit 4 / SPI1 data in |
| Pin 26 | RC5/SDO1 — PORTC bit 5 / SPI1 data out |
| Pin 27 | RC6/SCL1 — PORTC bit 6 / I2C1 clock |
| Pin 28 | RC7/SDA1 — PORTC bit 7 / I2C1 data |
| Pin 29 | RD0/PWM1 — PORTD bit 0 / PWM output 1 |
| Pin 30 | RD1/PWM2 — PORTD bit 1 / PWM output 2 |
| Pin 31 | RD2/PWM3 — PORTD bit 2 / PWM output 3 |
| Pin 32 | RD3/PWM4 — PORTD bit 3 / PWM output 4 |
| Pin 33 | RE0/PWM5 — PORTE bit 0 / PWM output 5 |
| Pin 34 | RE1/PWM6 — PORTE bit 1 / PWM output 6 |
| Pin 35 | RE2/QEA — PORTE bit 2 / QEI phase A input |
| Pin 36 | RE3/QEB — PORTE bit 3 / QEI phase B input |
| Pin 37 | RE4/INDX — PORTE bit 4 / QEI index input |
| Pin 38 | RE5/C1TX — PORTE bit 5 / CAN1 transmit |
| Pin 39 | RE6/C1RX — PORTE bit 6 / CAN1 receive |
| Pin 40 | RE7/FLTA — PORTE bit 7 / PWM fault A input |
| Pin 41 | RF0 — PORTF bit 0 |
| Pin 42 | RF1 — PORTF bit 1 |
| Pin 43 | RG0 — PORTG bit 0 |
| Pin 44 | RG1 — PORTG bit 1 |
Typical Applications
DSPIC30F4011-20E/ML is suitable for 6 applications: Brushless DC (BLDC) Motor Control, Permanent Magnet Synchronous Motor (PMSM) Field-Oriented Control, Uninterruptible Power Supply (UPS) / Digital PFC, Industrial CAN-Connected Sensor Nodes, Servo / Position Control Drives, Switched-Mode Power Supply (SMPS) Digital Control.
Brushless DC (BLDC) Motor Control
The DSPIC30F4011-20E/ML is purpose-built for BLDC motor drives. Its 6-channel motor-control PWM module generates complementary 3-phase gate signals with dead-time insertion, the 10-bit 500 ksps ADC samples phase currents in the PWM valley, and the single-cycle DSP MAC closes the current loop inside 10 us at 20 MIPS. Compared with a generic MCU, the dedicated PWM and QEI peripherals eliminate software bit-banging and let the firmware run a full trapezoidal or sinusoidal commutation scheme without CPU headroom bottlenecks.
Recommended
Permanent Magnet Synchronous Motor (PMSM) Field-Oriented Control
For sensorless and encoder-based PMSM FOC, the DSPIC30F4011-20E/ML's 20 MIPS DSP engine and 48KB Flash fit a Park/Clarke transform, SMO or BEMF observer, and PI current/speed loops while leaving room for CANopen comms. The hardware QEI directly reads incremental encoder A/B/index signals without consuming timer resources, and the 2048-byte RAM buffers transform results and SMO state vectors efficiently on each PWM cycle.
Recommended
Uninterruptible Power Supply (UPS) / Digital PFC
The DSPIC30F4011-20E/ML's 500 ksps ADC samples input voltage and inductor current in bridgeless PFC topologies at 50-100 kHz switching frequency, while the PWM module drives the boost switch with feed-forward duty update each cycle. Its 2.5V-5.5V range allows direct interface to gate drivers from a 3.3V rail, and the 1024-byte EEPROM stores calibration, run-time counters and fault logs across power cycles.
Recommended
Industrial CAN-Connected Sensor Nodes
The on-chip CAN module gives the DSPIC30F4011-20E/ML a native industrial-network interface for distributed sensor conditioning nodes on a CANopen or DeviceNet backbone. Combined with its UART/SPI/I2C ports, it can front-end a 4-20 mA sensor, a SPI ADC and a UART HMI display while still publishing measurements over CAN every 1 ms within the 20 MIPS budget.
Recommended
Servo / Position Control Drives
The QEI module counts encoder pulses while the motor-control PWM generates the servo drive waveform, allowing the DSPIC30F4011-20E/ML to close position, velocity and current loops in a single chip. Its 30 interrupt sources and three 16-bit timers support nested control loops at different sample rates, and the 8x8 mm 44-QFN keeps the board footprint compatible with small NEMA 17/23 servo packages.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
For digital control of isolated or non-isolated DC-DC converters, the DSPIC30F4011-20E/ML's DSP engine implements Type-III compensators and feed-forward paths in single-cycle math, while the 10-bit ADC samples output voltage and current at the switching node with matched propagation delay. Its hardware PWM module supports variable-frequency operation and pulse-skipping for light-load efficiency.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F4011-20E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F4012-20E/ML | DSPIC30F4011T-20E/ML | DSPIC30F4011-20I/ML | DSPIC30F4011-30I/ML | DSPIC30F3011-20E/ML | DSPIC30F3010-30I/ML |
|---|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8) | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 48 KB | 64 KB | 48 KB | 48 KB | 48 KB | 24 KB | 24 KB |
| Data RAM | 2048 bytes | 2048 bytes | 2048 bytes | 2048 bytes | 2048 bytes | 1024 bytes | 1024 bytes |
| CPU Speed | 20 MIPS | 20 MIPS | 20 MIPS | 20 MIPS | 30 MIPS | 20 MIPS | 30 MIPS |
| CAN Module | Yes | Yes | Yes | Yes | Yes | No | No |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C |
| Data EEPROM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
Key Differentiators
- Larger 48 KB Flash vs 24 KB lower-cost variants (vs DSPIC30F3011-20E/ML)
- Faster 30 MIPS option with same pinout (vs DSPIC30F4011-30I/ML)
- Extended -40C to +125C operating range vs industrial grade (vs DSPIC30F4011-20I/ML)
Design Notes
The 44-QFN package exposes its die paddle as pin 45 (EP). Solder this pad to a continuous ground pour with at least 8 thermal vias (0.3 mm drill, 0.5 mm pitch) to keep the silicon below 100 C junction in motor-drive applications. Estimated: at 30 mA active current and 3.3 V supply, dissipation is ~100 mW - thermal performance is dominated by PCB copper area, not airflow.
Place a 10 uF low-ESR ceramic + 100 nF decoupling pair within 5 mm of VDD/VSS and a separate 10 uF + 100 nF pair on AVDD/AVSS. The internal voltage regulator requires a bulk cap on VDDCORE; do not skip it even when running at 20 MIPS, or the core voltage will droop and cause intermittent Flash programming faults.
Route ADC analog inputs (AN0-AN5) over a continuous analog ground island, never crossing the PWM output traces. Motor-control PWM outputs PWM1-PWM6 must drive the gate-driver inputs with matched trace lengths (delta < 5 mm) to keep dead-time balanced across all three phases - an imbalance > 20 ns shows up as DC-bus ripple and audible torque ripple.
Do not enable the QEI module before configuring the digital I/O on RE2-RE4, or the index pulse will be missed on the first encoder revolution. The FLTA fault input (RE7) is multiplexed with general I/O and defaults to disabled after reset - explicitly configure it as an input before relying on PWM fault shutdown.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - Extended (-40C to +125C) temp grade only. Conflict-minerals statement available from Microchip.
