DSPIC30F2020-30I/MM - 30 MIPS 16-bit SMPS DSC | Microchip
MPN: DSPIC30F2020-30I/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.14 | $4.14 |
| 10 | $3.73 | $37.30 |
| 100 | $3.31 | $331.00 |
| 500 | $2.95 | $1,475.00 |
| 1,000 | $2.65 | $2,650.00 |
DSPIC30F2020-30I/MM Overview
A Digital Signal Controller (DSC) is a hybrid between a microcontroller and a DSP, combining deterministic interrupt-driven control loops with single-cycle MAC instructions. The dsPIC30F sits within Microchip's SMPS-optimized DSC family, positioned as an entry-level 16-bit DSC for low-to-medium frequency power topologies, and bridging the gap between a generic 16-bit MCU and a full DSP. This category fits within the broader taxonomy of microcontroller -> embedded controller -> digital signal controller -> SMPS digital power controller.
Key features include an operating voltage range of 2.5 V to 5.5 V, 21 digital I/O pins, 12 KB (4K x 24) of Flash, 512 bytes of RAM, and an industrial-grade -40C to +85C temperature rating. Its integrated SMPS peripherals reduce external component count for digital PFC, LLC, full-bridge and phase-shifted topologies, while single-cycle MAC and barrel-shifter support real-time digital compensation. The 30 MIPS core is sufficient for multi-loop digital control up to several hundred kHz switching frequency.
Typical applications include AC-to-DC converters, isolated DC-to-DC converters, power factor correction (PFC), uninterruptible power supplies (UPS), and digital lighting ballasts. Its QFN-S 6x6 mm form factor suits compact high-density power modules where thermal conduction to the PCB copper pour is critical. Industrial temperature range supports deployment in factory automation and telecom rectifier cards.
When designing with this device, allocate sufficient ground and power copper pours beneath the QFN exposed pad to meet thermal dissipation requirements at full DSP workload. Use the Microchip MPLAB X IDE with the dsPIC DSC compiler suite and reference the SMPS design libraries for control-loop firmware baseline.
The DSPIC30F2020-30I/MM is a member of Microchip's dsPIC30F SMPS family and is drop-in compatible with the DSPIC30F2020T-30I/MM tape-and-reel variant and the SPDIP/SP package versions for PCB layout reuse. All variants share the same 12 KB Flash, 30 MIPS core, peripheral set and register map.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, allowing design engineers to evaluate the part for both new designs and second-source scenarios.
Drop-in alternatives for DSPIC30F2020-30I/MM — 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 DSPIC30F2020-30I/MM (same form factor and footprint) — differing in ADC, Package, Core Architecture, I/O Pins, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F2020T-30I/MM
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F2010T-30I/MM
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$3.92 / Unit
View Datasheet →DSPIC30F2011T-20E/MM
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
DSPIC30F2010T-20E/MM
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$3.98 / Unit
View Datasheet →DSPIC30F2020-30I/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F (16-bit DSC) |
| Program Memory (Flash) | 12 KB (4K x 24) |
| Data RAM | 512 bytes |
| Maximum CPU Speed | 30 MIPS |
| Operating Voltage Range | 2.5 V to 5.5 V |
| I/O Pins | 21 |
| Package | 28-pin QFN-S (6x6 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Temperature Grade | I (Industrial, -40C to +85C) |
| ADC | 10-bit, 1 Msps (per datasheet) |
| PWM Resolution | High-resolution PWM for SMPS |
| Target Application | Switch Mode Power Supply / Digital Power Conversion |
| MSL Level | 3 (168 hours, per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Pin/Package Code | MM = QFN-S28 |
DSPIC30F2020-30I/MM Pin Configuration
| Pin 1 | VSS — Ground reference |
| Pin 2 | AN0/RB0 — Analog input 0 / Port B bit 0 |
| Pin 3 | AN1/RB1 — Analog input 1 / Port B bit 1 |
| Pin 4 | AN2/RB2 — Analog input 2 / Port B bit 2 |
| Pin 5 | AN3/RB3 — Analog input 3 / Port B bit 3 |
| Pin 6 | AN4/RB4 — Analog input 4 / Port B bit 4 |
| Pin 7 | AN5/RB5 — Analog input 5 / Port B bit 5 |
| Pin 8 | VDD — Positive supply voltage (2.5 V to 5.5 V) |
| Pin 9 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 10 | OSC2/CLKO — Crystal oscillator output / clock output |
| Pin 11 | PWM1L/RE0 — PWM1 low-side output / Port E bit 0 |
| Pin 12 | PWM1H/RE1 — PWM1 high-side output / Port E bit 1 |
| Pin 13 | PWM2L/RE2 — PWM2 low-side output / Port E bit 2 |
| Pin 14 | PWM2H/RE3 — PWM2 high-side output / Port E bit 3 |
| Pin 15 | PWM3L/RE4 — PWM3 low-side output / Port E bit 4 |
| Pin 16 | PWM3H/RE5 — PWM3 high-side output / Port E bit 5 |
| Pin 17 | FLTA/INT0/RF6 — PWM fault A input / external interrupt 0 / Port F bit 6 |
| Pin 18 | SYNCI/SS1/RF7 — PWM sync input / SPI1 slave select / Port F bit 7 |
| Pin 19 | AN6/RC0 — Analog input 6 / Port C bit 0 |
| Pin 20 | AN7/RC1 — Analog input 7 / Port C bit 1 |
| Pin 21 | AN8/RC2 — Analog input 8 / Port C bit 2 |
| Pin 22 | AN9/RC3 — Analog input 9 / Port C bit 3 |
| Pin 23 | SDA1/RG3 — I2C1 data / Port G bit 3 |
| Pin 24 | SCL1/RG2 — I2C1 clock / Port G bit 2 |
| Pin 25 | U1TX/RF3 — UART1 transmit / Port F bit 3 |
| Pin 26 | U1RX/RF2 — UART1 receive / Port F bit 2 |
| Pin 27 | TMS/RF1 — JTAG test mode select / Port F bit 1 |
| Pin 28 | TCK/RF0 — JTAG test clock / Port F bit 0 |
Typical Applications
DSPIC30F2020-30I/MM is suitable for 6 applications: Digital Power Factor Correction (PFC), Isolated DC-DC Converter Control, Uninterruptible Power Supply (UPS), Digital Lighting Ballast, Solar Microinverter Control, Industrial Motor Drive (Low-Voltage BLDC).
Digital Power Factor Correction (PFC)
The DSPIC30F2020-30I/MM is engineered for digital PFC in AC-to-DC converters where its 30 MIPS throughput and integrated high-resolution PWM modules execute average current mode control loops at 65 kHz typical switching frequency. Its 10-bit ADC at 1 Msps samples input current and voltage synchronously to the PWM, while the 40-bit accumulator and single-cycle MAC handle the PI compensation in real time. The QFN-S28 footprint fits within compact PFC stages where auxiliary power comes from the boost inductor winding. Engineers should allocate sufficient ground copper beneath the exposed pad to handle dissipation during continuous switching. Compared to a discrete analog UCC28019 PFC controller, this DSC adds programmable soft-start, adaptive dead-time and telemetry over UART.
Recommended
Isolated DC-DC Converter Control
In isolated point-of-load and intermediate bus converters, the DSPIC30F2020-30I/MM implements primary-side peak current mode control with secondary-side voltage feedback through an optocoupler. Its high-speed 10-bit ADC tracks the current-sense transformer signal within 100 ns of the PWM edge, while the dedicated SMPS comparator triggers cycle-by-cycle overcurrent protection. The 12 KB Flash accommodates state-variable digital compensator coefficients for LLC and phase-shifted full-bridge topologies. The 512-byte RAM buffer stores telemetry and fault logs. Compared to a UC2525 analog controller, this DSC enables programmable slope compensation, adaptive dead-time and remote firmware updates over I2C.
Recommended
Uninterruptible Power Supply (UPS)
The DSPIC30F2020-30I/MM is well-suited to line-interactive and online UPS inverter control where sinusoidal PWM generation and grid synchronization are required. Its 30 MIPS throughput generates 50/60 Hz SPWM with sub-microsecond resolution, and the high-resolution PWM outputs drive the IGBT/MOSFET inverter bridge directly. ADC channels monitor DC bus voltage, battery state-of-charge, and output current for closed-loop voltage regulation. The industrial -40C to +85C range supports telecom rectifier card environments. Compare to a TMS320F28027 DSP, the DSPIC30F2020-30I/MM offers lower cost and simpler development with the MPLAB XC-DSC compiler while still meeting basic UPS control requirements.
Recommended
Digital Lighting Ballast
The DSPIC30F2020-30I/MM drives electronic ballasts for HID and high-frequency fluorescent lamps where precise lamp current and power regulation extend lamp life. Its PWM module generates the high-frequency lamp drive signal at 40-100 kHz while the ADC samples lamp voltage and current to maintain constant wattage. The 21 I/O pins control ignition circuitry, filament preheat timing and fault shutdown. The QFN-S28 package fits within the compact ballast housing. Compared to discrete IR2156 self-oscillating ballast ICs, this DSC adds dimming support, lamp end-of-life detection and DALI communication via UART or I2C.
Recommended
Solar Microinverter Control
In grid-tied solar microinverters and module-level power electronics, the DSPIC30F2020-30I/MM implements MPPT, anti-islanding protection and grid-current shaping. Its 30 MIPS throughput runs perturb-and-observe MPPT at 1 kHz update rate while generating sinusoidal output current synchronized to the AC grid via zero-crossing detection. ADC inputs monitor PV panel voltage, current and AC line voltage for islanding detection within the IEEE 1547 standard timing requirements. The 2.5 V to 5.5 V supply is compatible with auxiliary windings from the flyback transformer. Compared to a TI C2000 Piccolo, the DSPIC30F2020-30I/MM offers lower BOM cost for sub-300 W microinverter designs.
Recommended
Industrial Motor Drive (Low-Voltage BLDC)
The DSPIC30F2020-30I/MM can serve as the controller in low-voltage BLDC and PMSM motor drives up to several hundred watts, where its high-resolution PWM and ADC enable trapezoidal or sinusoidal commutation. The 21 I/O pins connect to Hall sensors, encoder feedback and MOSFET gate drivers. With the QFN-S28 footprint and 30 MIPS throughput, the device handles back-EMF sensing, speed PI loop and fault protection in real time. Compared to dedicated motor-driver MCUs like the PIC18F46K22, the DSPIC30F2020-30I/MM adds DSP capability for advanced sensorless control algorithms such as BEMF integration.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F2020-30I/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2020T-30I/MM | DSPIC30F2010T-30I/MM | DSPIC30F2011T-20E/MM | DSPIC30F2010T-20E/MM |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN-S (6x6 mm) | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same | 28-QFN-S (6x6 mm) - same |
| CPU Speed | 30 MIPS | 30 MIPS | 30 MIPS | 20 MIPS (-33%) | 20 MIPS (-33%) |
| Program Memory | 12 KB Flash | 12 KB Flash | 12 KB Flash | 12 KB Flash | 12 KB Flash |
| Data RAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| Operating Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| I/O Pins | 21 | 21 | 21 | 21 | 21 |
| Target Application | SMPS / Digital Power | SMPS / Digital Power | General Purpose DSC | General Purpose DSC | General Purpose DSC |
Key Differentiators
- Industrial temperature range with 30 MIPS throughput (vs DSPIC30F2010T-30I/MM)
- Higher operating speed than 20 MIPS family members (vs DSPIC30F2011T-20E/MM)
- SMPS-optimized peripheral set (vs DSPIC33EP32GS202T-E/MX)
Design Notes
The QFN-S28 exposed thermal pad must be soldered to a continuous ground copper pour of at least 1 square inch (645 mm^2) on both top and inner PCB layers with multiple thermal vias. Without this, junction temperature can rise 30-50C above ambient at full 30 MIPS workload. Estimated: at 5 V supply and 30 MIPS active, core current draw is approximately 30 mA, yielding 150 mW dissipation; thermal resistance theta_JA on a 4-layer JEDEC test board is approximately 30 C/W.
Place the 2.5-5.5 V decoupling capacitor as close as possible to pin 8 (VDD) and pin 1 (VSS) using a 100 nF X7R ceramic in parallel with a 10 uF tantalum or ceramic. The exposed pad (EP) on the bottom of the QFN must connect to the ground plane through at least 9 thermal vias (0.3 mm drill, 0.6 mm pad). Keep the high-current PWM traces (PWMxH/PWMxL) short and away from the analog ADC inputs to minimize ground bounce coupling.
When migrating firmware from the DSPIC30F2020 to the DSPIC30F2010/2011 variants, note that the peripheral register map differs and existing dsPIC30F2020 peripheral libraries are not directly portable. The 20 MIPS variants (2010T-20E/MM and 2011T-20E/MM) have an extended -40C to +125C temperature range but the same 12 KB Flash footprint. Also avoid loading the GPIO outputs beyond 4 mA source/sink without buffering, as the I/O drive strength is limited for low-EMI SMPS applications.
Compliance Information
RoHS and lead-free compliance per Microchip product page and DigiKey listing. Industrial -40C to +85C temperature grade; not AEC-Q100 qualified - select dsPIC33EP family for automotive applications. Halogen-free status not explicitly stated in the verified data.
