DSPIC30F2020T-30I/SO - 30 MIPS dsPIC DSC, 12KB Flash | Microchip
MPN: DSPIC30F2020T-30I/SO β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.32 | $5.32 |
| 10 | $4.78 | $47.80 |
| 100 | $4.05 | $405.00 |
| 500 | $3.42 | $1,710.00 |
| 1,000 | $2.88 | $2,880.00 |
DSPIC30F2020T-30I/SO Overview
A Digital Signal Controller (DSC) is a hybrid device that fuses a microcontroller's deterministic control peripherals with a DSP's parallel math engine. DSCs sit in the broader taxonomy of microcontrollers -> embedded controllers -> signal-chain processing devices. The dsPIC30F series specifically adds single-cycle MAC instructions and a barrel shifter, enabling high-speed closed-loop control loops (PID, state-space, predictive) without offloading to a separate DSP.
Key features of the DSPIC30F2020 include a 10-bit, 8-channel ADC with 1 Msps sampling rate suited to current/voltage sense in power loops, dedicated PWM modules with programmable dead-time and fault inputs for driving power MOSFETs/IGBTs, and a 16-bit wide data path. The 30 MIPS performance at 4.0-5.5V operation provides ample headroom for control-law calculation within typical 20-100 kHz switching loops, while industrial -40C to +85C temperature range supports harsh environments.
Architecturally, the DSPIC30F2020 uses a Harvard-style bus with separate program and data memories, allowing simultaneous fetch and operand access. Its modified Harvard core features a 24-bit instruction word optimized for DSP idioms. The 30 MIPS version is the mid-tier speed grade of the dsPIC30F2020 family, suitable for digital PFC, full-bridge converters, and uninterruptible power supplies.
Typical applications include digital PFC boost stages, LLC and phase-shifted full-bridge converters, solar micro-inverters, UPS systems, induction-heating control, and digital LED drivers. The 21 I/O plus dedicated PWM/ADC channels allow direct interface to power-stage gate drivers and analog feedback without external glue logic.
When designing with this device, ensure the 5V supply is well-decoupled and that the analog and digital grounds are joined at a single star point beneath the IC. The ADC's 1 Msps rate is the hard ceiling for control-loop bandwidth; for higher-frequency loops consider the dsPIC33F family.
This page synthesizes distributor pricing, parametric data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC30F2020T-30I/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 DSPIC30F2020T-30I/SO (same form factor and footprint) β differing in ADC, Core Architecture, MSL Level, Package, Data RAM.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DSPIC30F2020-30I/SO
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F2011T-20E/SO
β Drop-Inβ In Stock
$3.85 / Unit
View Datasheet βDSPIC30F2020-30I/MM
β Drop-Inβ In Stock
$2.65 / Unit
View Datasheet βDSPIC30F2020T-30I/SO Maximum Ratings & Electrical Characteristics
| Core | dsPIC30F (16-bit DSC) |
| Program Memory | 12 KB (4K x 24) Flash |
| RAM | 512 bytes |
| Instruction Throughput | 30 MIPS |
| Operating Voltage | 4.0 V to 5.5 V |
| I/O Pins | 21 |
| ADC | 10-bit, 8-channel |
| ADC Sampling Rate | 1 Msps |
| PWM Outputs | Multiple dedicated PWM channels |
| Package | 28-pin SOIC (wide body, 7.50 mm) |
| Operating Temperature | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount |
| MSL Level | 1 (per Microchip SOIC-28 family) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Halogen-Free | Yes |
DSPIC30F2020T-30I/SO Pin Configuration
| Pin 1 | MCLR β Master Clear (Reset) input, active low |
| Pin 2 | AN0/VREF+/CN0/RB0 β Analog input 0 / positive reference / change notification / I/O |
| Pin 3 | AN1/VREF-/CN1/RB1 β Analog input 1 / negative reference / change notification / I/O |
| Pin 4 | AN2/CN2/RB2 β Analog input 2 / change notification / I/O |
| Pin 5 | AN3/CN3/RB3 β Analog input 3 / change notification / I/O |
| Pin 6 | AN4/CN4/RB4 β Analog input 4 / change notification / I/O |
| Pin 7 | AN5/CN5/RB5 β Analog input 5 / change notification / I/O |
| Pin 8 | VSS β Ground reference |
| Pin 9 | OSC1/CLKI/CN7/RC1 β Oscillator crystal input / external clock / I/O |
| Pin 10 | OSC2/CLKO/CN8/RC2 β Oscillator crystal output / clock output / I/O |
| Pin 11 | PWM1L/CN6/RD0 β PWM Low-side output 1 / change notification / I/O |
| Pin 12 | PWM1H/CN9/RD1 β PWM High-side output 1 / change notification / I/O |
| Pin 13 | PWM2L/CN10/RD2 β PWM Low-side output 2 / change notification / I/O |
| Pin 14 | PWM2H/CN11/RD3 β PWM High-side output 2 / change notification / I/O |
| Pin 15 | PWM3L/CN12/RD4 β PWM Low-side output 3 / change notification / I/O |
| Pin 16 | PWM3H/CN13/RD5 β PWM High-side output 3 / change notification / I/O |
| Pin 17 | FLTA/INT0/CN14/RD6 β PWM Fault A input / external interrupt 0 / I/O |
| Pin 18 | FLTB/INT1/CN15/RD7 β PWM Fault B input / external interrupt 1 / I/O |
| Pin 19 | AVSS β Analog ground |
| Pin 20 | AVDD β Analog positive supply |
| Pin 21 | AN6/CN16/RB6 β Analog input 6 / change notification / I/O |
| Pin 22 | AN7/CN17/RB7 β Analog input 7 / change notification / I/O |
| Pin 23 | U1TX/INT2/CN18/RC3 β UART1 transmit / external interrupt 2 / I/O |
| Pin 24 | U1RX/INT3/CN19/RC4 β UART1 receive / external interrupt 3 / I/O |
| Pin 25 | TMR1CK/CN20/RC5 β Timer1 clock input / change notification / I/O |
| Pin 26 | T2CK/OC1/CN21/RC6 β Timer2 clock / output compare 1 / I/O |
| Pin 27 | PGED1/SDA1/CN22/RC7 β ICD data / I2C1 data / I/O |
| Pin 28 | PGEC1/SCL1/CN23/RC8 β ICD clock / I2C1 clock / I/O |
Typical Applications
DSPIC30F2020T-30I/SO is suitable for 6 applications: Digital Power Factor Correction (PFC) Boost Converter, Phase-Shifted Full-Bridge Converter Control, Solar Micro-Inverter MPPT and Grid-Tie Control, Uninterruptible Power Supply (UPS) Inverter Control, Induction Heating Cooktop Resonant Tank Control, Digital LED Driver with Active PFC.
Digital Power Factor Correction (PFC) Boost Converter
The DSPIC30F2020T-30I/SO is a strong fit for digital PFC because its 30 MIPS core and dedicated PWM modules with programmable dead-time directly drive totem-pole or interleaved boost stages. The 8-channel 10-bit ADC samples input voltage, input current, and output voltage at 1 Msps, sufficient for CCM PFC at 100-120 Hz line ripple suppression with bandwidth well above 10 kHz. Placed between the AC line sense resistors and the IGBT/MOSFET gate drivers, it computes average-current-mode control loops in real time. The 12 KB Flash holds the control law plus housekeeping state machines, while 21 I/O pins accommodate PFC plus auxiliary housekeeping such as relay drive and fault monitoring. Industrial -40C to +85C rating suits outdoor SMPS enclosures.
Recommended
Phase-Shifted Full-Bridge Converter Control
The DSPIC30F2020T-30I/SO excels in phase-shifted full-bridge (PSFB) DC/DC converters used in telecom and server power supplies. Its dedicated PWM outputs deliver complementary gate signals with programmable dead-time and fault inputs that latch the controller into a safe state on overcurrent - critical for hard-switched full-bridge topologies. The 30 MIPS throughput runs average-current-mode control plus adaptive dead-time compensation at 100-200 kHz switching. Per Microchip application notes, dsPIC30F PWM peripherals include hardware cycle-by-cycle current limiting. The SOIC-28 package fits 1-2 kW PSU form factors where thermal characterization of the controller matters. Industrial temperature grade matches telecom outdoor equipment specs.
Recommended
Solar Micro-Inverter MPPT and Grid-Tie Control
The DSPIC30F2020T-30I/SO drives micro-inverter power stages for solar PV applications, performing both Maximum Power Point Tracking (MPPT) and grid synchronization in a single IC. The 30 MIPS core runs perturb-and-observe or incremental-conductance MPPT loops at 10-50 Hz while simultaneously computing grid-current PLLs for 50/60 Hz compliance. The 8-channel ADC samples PV input voltage/current and grid voltage/current; 21 I/O pins drive the HF isolation transformer inverter plus auxiliary relays. The industrial -40C to +85C rating handles outdoor rooftop junction boxes. Per Microchip's reference designs, the device supports both single-stage and two-stage micro-inverter topologies. Its low BOM cost makes it competitive with discrete DSP-plus-MCU solutions.
Recommended
Uninterruptible Power Supply (UPS) Inverter Control
In online UPS systems, the DSPIC30F2020T-30I/SO controls the inverter stage that converts battery DC to grid-quality AC. The device's 16-bit fixed-point math and single-cycle MAC instruction handle sinusoidal PWM (SPWM) generation with second-order harmonic compensation in real time. The dedicated PWM module outputs three-phase complementary signals with adjustable dead-time for the IGBT inverter bridge. The 8-channel ADC samples battery voltage, three-phase output currents, and DC bus voltage; 21 I/O handle relay control and communication with the supervisory MCU. Industrial temperature grade covers server-room and outdoor telecom UPS cabinets.
Recommended
Induction Heating Cooktop Resonant Tank Control
The DSPIC30F2020T-30I/SO drives induction-heating cooktop resonant tanks via zero-voltage switching (ZVS) control loops. The 30 MIPS performance is sufficient for half-bridge LLC or series-resonant inverter control at 20-100 kHz with adaptive frequency tracking based on the resonant-capacitor current zero-crossing. The high-speed ADC captures tank voltage and current with sub-microsecond latency; the dedicated PWM module generates the variable-frequency gate drive with hardware shoot-through protection. The 21 I/O pins handle user-interface buttons, display, and pan-presence detection. Industrial temperature rating tolerates the cooktop under-cabinet thermal environment.
Recommended
Digital LED Driver with Active PFC
The DSPIC30F2020T-30I/SO is used in high-bay industrial LED fixtures combining active PFC and constant-current LED drive. The device's PWM outputs directly drive the PFC boost stage plus the LLC resonant LED driver, while the 8-channel ADC measures line current, DC bus voltage, and LED string current for closed-loop control. The 30 MIPS core implements both PFC average-current-mode control and LED constant-current regulation in firmware. The 21 I/O pins accommodate dimming inputs (0-10V or DALI), thermal feedback, and fault indicators. The SOIC-28 wide-body package provides sufficient PCB copper for self-cooling in sealed LED fixtures.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F2020T-30I/SO β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2020-30I/SO | DSPIC30F2011T-20E/SO | DSPIC30F2020-30I/MM |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (wide body) | 28-SOIC (wide body) - same | 28-SOIC (wide body) - same | 28-SOIC - same family |
| Core | dsPIC30F 16-bit DSC | dsPIC30F 16-bit DSC | dsPIC30F 16-bit DSC | dsPIC30F 16-bit DSC |
| Performance | 30 MIPS | 30 MIPS | 20 MIPS | 30 MIPS |
| Program Flash | 12 KB | 12 KB | 12 KB | 12 KB |
| RAM | 512 bytes | 512 bytes | 1 KB | 512 bytes |
| I/O Pins | 21 | 21 | 21 | 21 |
| ADC | 10-bit, 8-channel | 10-bit, 8-channel | 10-bit, 8-channel | 10-bit, 8-channel |
| Operating Voltage | 4.0V to 5.5V | 4.0V to 5.5V | 2.5V to 5.5V | 4.0V to 5.5V |
Key Differentiators
- Identical die available in tube packaging for high-volume non-reel production (vs DSPIC30F2020-30I/SO)
- 30 MIPS performance vs 20 MIPS in lower-cost 2011 variant (vs DSPIC30F2011T-20E/SO)
- Mature dsPIC30F platform with extensive Microchip application note library (vs DSPIC30F2020-30I/MM)
Design Notes
The DSPIC30F2020T-30I/SO requires a well-regulated 5V supply (4.0V-5.5V) with low-noise analog and digital rails. Per Microchip application notes, place a 10 uF bulk capacitor plus 0.1 uF ceramic decoupling capacitor as close as possible to the AVDD and VDD pins, with separate analog/digital ground planes joined at a single point beneath the IC. Brownout detection should be enabled in firmware to prevent code execution at under-voltage conditions that could corrupt Flash.
Estimated: at 30 MIPS continuous operation with all peripherals active, core current consumption is approximately 30 mA (1.5 mA/MIPS typical per dsPIC30F family datasheet). At 5V supply this yields 150 mW dissipation in the SOIC-28 package (theta_JA ~70 C/W on standard JEDEC test board). Junction temperature rise above ambient is roughly 10.5 C, well within the -40C to +125C operating limit. For high-temperature environments, provision copper pour on both top and bottom layers beneath the IC.
Keep analog sense traces (AN0-AN7) short and routed away from PWM switching traces to minimize capacitive coupling that injects switching noise into ADC samples. Use a guard ring tied to AVSS around the analog input pins. The crystal oscillator traces (OSC1/OSC2) should be kept short with a ground plane underneath; if using an external clock source, route it perpendicular to nearby switching traces to reduce EMI pickup.
Do not assume the DSPIC30F2020's 12 KB Flash is sufficient for production code with full peripheral drivers plus control law. Many engineers underestimate the Flash footprint of the Microchip Harmony or C30 libraries; budget at least 4-6 KB for the control algorithm and at least 6 KB for the peripheral framework. In-circuit serial programming (ICSP) via PGED1/PGEC1 pins is mandatory for field updates - do not repurpose these pins for application I/O without disabling ICSP in configuration bits.
Compliance Information
RoHS and REACH compliance per Microchip product page. Industrial temperature grade (-40C to +85C) is not AEC-Q100 qualified - choose dsPIC33F automotive-grade parts for vehicle applications.
