DSPIC30F3010-20I/SO - 20 MIPS 16-bit DSC, 24KB Flash | Microchip
MPN: DSPIC30F3010-20I/SO β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.25 | $7.25 |
| 10 | $6.4 | $64.00 |
| 100 | $5.5 | $550.00 |
| 500 | $4.75 | $2,375.00 |
| 1,000 | $4.1 | $4,100.00 |
DSPIC30F3010-20I/SO Overview
A DSC is a hybrid between a microcontroller (MCU) and a digital signal processor (DSP). It executes DSP operations natively in hardware - multiply-accumulate, barrel shifting, and zero-overhead looping - while preserving the deterministic peripheral set, interrupt structure, and on-chip Flash of a traditional MCU. This makes DSCs ideal for closed-loop control applications such as motor drives, power conversion, and sensor conditioning where C code alone is not fast enough but a standalone DSP would be over-featured and harder to integrate. Within Microchip's portfolio the dsPIC30F family sits between the PIC24 MCU line and the higher-performance dsPIC33F family.
Key features include a 6-channel 10-bit ADC with 1 Msps conversion rate, dedicated motor-control PWM with up to 6 outputs and complementary mode, three 16-bit timers, two UART modules, one SPI, one I2C, and two analog comparators. The device operates from 4.5V to 5.5V (the -20I speed grade), spans -40C to +85C industrial temperature range, and integrates a 5V-tolerant digital I/O structure on most pins.
The dsPIC30F3010 implements a 16-bit native data path with 24-bit instructions, providing a 16/32-bit DSP core suitable for fixed-point control loops. Its dual-port SRAM allows simultaneous CPU and DMA-style peripheral access, while the configurable PLL lets the system clock be derived from lower-frequency crystals (typical 7.37 MHz with 4x PLL = 29.5 MHz FOSC = 20 MIPS). The dedicated motor-control PWM (MCPWM) module includes dead-time control, fault inputs, and center-aligned or edge-aligned modes appropriate for field-oriented control of 3-phase inverters.
Typical applications include sensorless BLDC and PMSM motor drives, switch-mode power supply digital control loops, solar micro-inverters, industrial automation servo controllers, and digital UPS inverters. It is also used in automotive body electronics, appliance motor control, and HVAC compressor drives where deterministic real-time response is mandatory.
When designing with the DSPIC30F3010, ensure the analog and ground planes are properly partitioned because the 10-bit ADC at 1 Msps is sensitive to digital switching noise. Use the dedicated VREF+/VREF- pins for ADC reference and tie unused comparators to defined logic levels. The -20I speed grade requires VDD within 4.5-5.5V; for 3.3V-only systems choose the -30I variant.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not found in the manufacturer datasheet alone, helping engineers evaluate, source, and design around this part in one place.
Drop-in alternatives for DSPIC30F3010-20I/SO β 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 DSPIC30F3010-20I/SO (same form factor and footprint) β differing in ADC, Package, Data RAM, Program Memory (Flash), Core Architecture.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DSPIC30F3010-30I/SO
β Drop-Inβ In Stock
$5.64 / Unit
View Datasheet βDSPIC30F3010-20I/SOG
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F3011-20I/SO
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F2010-30I/SO
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F3010-20I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F 16-bit DSC (modified Harvard) |
| Instruction Word Size | 24-bit |
| Operating MIPS | 20 MIPS |
| Program Memory (Flash) | 24 KB (8K x 24) |
| Data RAM | 2 KB |
| Data EEPROM | 1 KB |
| ADC | 10-bit, 6 channels, 1 Msps |
| PWM Channels | 6 outputs, dedicated motor-control PWM |
| Timers | 3 x 16-bit |
| UART Modules | 2 |
| SPI Modules | 1 |
| I2C Modules | 1 |
| Analog Comparators | 2 |
| Supply Voltage (VDD) | 4.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (industrial) |
| I/O Pins | 21 |
| Package | 28-pin SOIC (SO, 7.50 mm width) |
| Mounting Type | Surface Mount |
| Speed Grade | -20I (20 MIPS, industrial temp) |
| RoHS Status | Compliant |
DSPIC30F3010-20I/SO Pin Configuration
| Pin 1 | MCLR β Master Clear (reset) input, drive low to reset |
| Pin 2 | AN0/VREF+/CN2/RB0 β Analog input 0 / positive ADC reference / digital I/O |
| Pin 3 | AN1/VREF-/CN3/RB1 β Analog input 1 / negative ADC reference / digital I/O |
| Pin 4 | AN2/CN4/RB2 β Analog input 2 / digital I/O |
| Pin 5 | AN3/CN5/RB3 β Analog input 3 / digital I/O |
| Pin 6 | AN4/CN6/RB4 β Analog input 4 / digital I/O |
| Pin 7 | AN5/CN7/RB5 β Analog input 5 / digital I/O |
| Pin 8 | VSS β Ground reference |
| Pin 9 | OSC1/CLKIN β Crystal oscillator input / external clock input |
| Pin 10 | OSC2/CLKOUT β Crystal oscillator output / system clock output |
| Pin 11 | FLTA/INT0/RF6 β PWM fault input / external interrupt 0 / digital I/O |
| Pin 12 | PWM1L/RE0 β PWM1 low-side output / digital I/O |
| Pin 13 | PWM1H/RE1 β PWM1 high-side output / digital I/O |
| Pin 14 | PWM2L/RE2 β PWM2 low-side output / digital I/O |
| Pin 15 | PWM2H/RE3 β PWM2 high-side output / digital I/O |
| Pin 16 | PWM3L/RE4 β PWM3 low-side output / digital I/O |
| Pin 17 | PWM3H/RE5 β PWM3 high-side output / digital I/O |
| Pin 18 | VDD β Positive supply (4.5V to 5.5V) |
| Pin 19 | VSS β Ground reference |
| Pin 20 | U1RX/RF0 β UART1 receive / digital I/O |
| Pin 21 | U1TX/RF1 β UART1 transmit / digital I/O |
| Pin 22 | U2RX/RF2 β UART2 receive / digital I/O |
| Pin 23 | U2TX/RF3 β UART2 transmit / digital I/O |
| Pin 24 | SDA/RF4 β I2C data / digital I/O |
| Pin 25 | SCL/RF5 β I2C clock / digital I/O |
| Pin 26 | TDI/RB7 β JTAG test data in / digital I/O |
| Pin 27 | TCK/RB8 β JTAG test clock / digital I/O |
| Pin 28 | TDO/RB9 β JTAG test data out / digital I/O |
Typical Applications
DSPIC30F3010-20I/SO is suitable for 6 applications: Sensorless BLDC Motor Control, Switch-Mode Power Supply Digital Control, Solar Micro-Inverter Control, Industrial Servo and Stepper Control, Automotive Body Electronics, HVAC Compressor and Fan Drives.
Sensorless BLDC Motor Control
Why the DSPIC30F3010-20I/SO fits BLDC sensorless drives: the device integrates a dedicated Motor-Control PWM with 6 outputs and dead-time control plus a 1 Msps 10-bit ADC, all on a 16-bit core executing 20 MIPS. The 24 KB Flash holds sensorless observer routines (Back-EMF, sliding-mode) and 2 KB RAM holds state variables; the industrial -40C to +85C range handles under-hood and appliance environments. Performance trade-off vs the dsPIC33F family: at 20 MIPS this DSC handles BLDC fans and pumps under 1 kW; for >1 kW FOC drives the 30 or 40 MIPS dsPIC33F is preferred. Companion devices: IR2103 gate driver, ACS712 current sensor, 28-SOIC footprint allows hand-rework-friendly PCB.
Recommended
Switch-Mode Power Supply Digital Control
Why the DSPIC30F3010-20I/SO fits digital SMPS control: the 16-bit DSP core executes voltage-mode and average-current-mode control loops at the 20 MIPS instruction rate, with the hardware multiplier computing PID compensator terms in one cycle. The 6-channel 1 Msps ADC samples VIN, VOUT, IL, and temperature simultaneously, while the MCPWM module drives a synchronous buck/boost/forward converter with programmable dead time. Trade-off: the 4.5-5.5V VDD requires an auxiliary 5V rail; for 3.3V-only systems use the -30I dsPIC33F. Companion devices: gate drivers (UCC27211), current-sense amplifiers (INA240), MOSFETs.
Recommended
Solar Micro-Inverter Control
Why the DSPIC30F3010-20I/SO fits solar micro-inverter MPPT: the hardware MAC executes Perturb-and-Observe or Incremental-Conductance MPPT algorithms in real time while the dedicated PWM generates the high-frequency MOSFET gate signals. The 24 KB Flash accommodates grid-synchronization tables (PLL coefficients) and 1 KB EEPROM stores calibration data over decades of operation. The industrial -40C to +85C range survives rooftop thermal stress. Trade-off: at 20 MIPS this part handles single-phase micro-inverters under 600W; three-phase grid-tie inverters need dsPIC33F at 40-50 MIPS. Companion devices: ISO 5500 isolated gate driver, op-amp current sensors, AC mains zero-cross detector.
Recommended
Industrial Servo and Stepper Control
Why the DSPIC30F3010-20I/SO fits industrial servo drives: the 20 MIPS throughput runs trapezoidal or sinusoidal commutation at multi-kHz update rates for step/dir pulse generation or closed-loop servo control. The 3x 16-bit timers provide precise PWM period control, and the dual UART enables RS-485 Modbus RTU communication with PLCs. The 28-SOIC wide-body package is hand-solderable for prototyping and field service. Trade-off: the -20I 4.5-5.5V VDD requirement means an internal boost supply; for 24V industrial bus systems a wide-VIN dsPIC33F is preferred. Companion devices: DRV8871 stepper driver, MAX3485 RS-485 transceiver.
Recommended
Automotive Body Electronics
Why the DSPIC30F3010-20I/SO fits non-safety automotive body modules: the industrial -40C to +85C range handles under-dash thermal stress, and the 16-bit core runs body-controller logic for seat/window/mirror actuators. The CAN-friendly UARTs plus LIN-compatible UART enable vehicle-network connectivity. Trade-off: this part is NOT AEC-Q100 qualified; for AEC-Q100 applications choose the DSPIC30F3010 with automotive grade or migrate to dsPIC33F -E variants. Companion devices: TJA1050 CAN transceiver, BTS50055 high-side switch.
Recommended
HVAC Compressor and Fan Drives
Why the DSPIC30F3010-20I/SO fits HVAC variable-frequency drives: the MCPWM module generates sinusoidal center-aligned PWM for smooth compressor torque, while the 1 Msps ADC samples phase currents at the PWM carrier frequency without aliasing. The 24 KB Flash fits sensorless FOC algorithms for 1-3 HP compressor drives. The wide -40C to +85C range handles rooftop unit thermal cycling. Trade-off: at 20 MIPS this part is limited to single-motor 1-HP-class drives; larger chillers need dsPIC33F at 40 MIPS. Companion devices: IPM module (STGIPS10K60T), shunt resistors for current feedback.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F3010-20I/SO β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F3010-30I/SO | DSPIC30F3010-20I/SOG | DSPIC30F3011-20I/SO | DSPIC30F2010-30I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (SO, 7.50 mm) | 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 |
| Core | dsPIC30F 16-bit DSC | dsPIC30F 16-bit DSC | dsPIC30F 16-bit DSC | dsPIC30F 16-bit DSC | dsPIC30F 16-bit DSC |
| Operating MIPS | 20 MIPS | 30 MIPS (+50%) | 20 MIPS (same) | 20 MIPS (same) | 30 MIPS (+50%) |
| Program Flash | 24 KB | 24 KB (same) | 24 KB (same) | 24 KB (same) | 12 KB (-50%) |
| Data RAM | 2 KB | 2 KB (same) | 2 KB (same) | 2 KB (same) | 1 KB (-50%) |
| I/O Pins | 21 | 21 (same) | 21 (same) | 21 (same in 28-SOIC) | 14 (-33%) |
| VDD Range | 4.5 V to 5.5 V | 3.0 V to 5.5 V (wider) | 4.5 V to 5.5 V (same) | 4.5 V to 5.5 V (same) | 3.0 V to 5.5 V (wider) |
| Unit Price @ 1000 (USD) | 4.10 | 4.50 | 4.15 | 4.20 | 3.50 |
Key Differentiators
- Lowest-cost Microchip DSC in this speed grade (vs DSPIC30F3011-20I/SO)
- Pb-free / RoHS-compliant Green variant available (vs DSPIC30F3010-20I/SO (matte-tin vs SnPb))
- Higher MIPS speed-grade available in same SOIC package (vs DSPIC30F3010-20I/SO (20 MIPS))
Design Notes
The DSPIC30F3010-20I/SO requires a clean 5V supply at 4.5V to 5.5V. Place a 10 uF bulk capacitor and 0.1 uF ceramic decoupling capacitor as close as possible to the VDD pin (pin 18). The analog supply AVDD should be tied to VDD with its own 10 uF + 0.1 uF network; if using the ADC at 1 Msps, route a ferrite bead between digital VDD and AVDD to suppress switching noise on the analog reference.
Use a 4-layer PCB stack-up with a dedicated ground plane on layer 2 directly under the device. The 28-SOIC wide-body footprint has 0.65 mm pitch leads; route short tracks to adjacent decoupling capacitors and avoid via-in-pad to maintain solder-joint reliability. Keep analog inputs (AN0-AN5) separated from PWM outputs and clock traces by at least 3x trace width to minimize digital-to-analog crosstalk in motor-control applications.
Estimated: at maximum activity with all peripherals active, the DSPIC30F3010-20I/SO draws approximately 30 mA from VDD, dissipating 150 mW at 5V. The 28-SOIC package has a theta_JA of approximately 70 C/W on a 1 sq-ft 4-layer PCB, yielding a junction temperature rise of 11 C above ambient - well within the 125 C maximum. No external cooling is required for normal operation.
Common pitfalls: (1) Do not connect any unused PWM output to a floating node - tie it to GND through a 10 kohm resistor. (2) The MCLR pin (pin 1) must be pulled high through a 10 kohm resistor; if left floating the device may intermittently reset in noisy environments. (3) When migrating from the -20I to the -30I speed grade, verify that your crystal or external clock meets the -30I's higher minimum frequency - some 7.37 MHz oscillator circuits need component changes.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - for automotive use select DSPIC33F -E family or contact Microchip automotive product line.
