DSPIC30F2023-30I/PT - 16-bit SMPS DSC, 12KB Flash, 30 MIPS | Microchip
MPN: DSPIC30F2023-30I/PT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.18 | $51.80 |
| 100 | $4.72 | $472.00 |
| 500 | $4.21 | $2,105.00 |
| 1,000 | $3.78 | $3,780.00 |
DSPIC30F2023-30I/PT Overview
A Digital Signal Controller combines the deterministic interrupt response and peripheral set of a microcontroller with the computational throughput of a DSP. Within the broader taxonomy, the dsPIC30F2023 belongs to the 16-bit DSC category, which sits between 8-bit microcontrollers (PIC16) and 32-bit microcontrollers (PIC32). It is positioned as a specialized SMPS controller with on-chip peripherals including high-speed PWM, a 10-bit A/D converter, and analog comparators tuned for multi-loop digital power control.
Key features include 21 digital I/O pins, an internal oscillator, support for 3.3V and 5V operation, four 16-bit timers, and a 10-bit ADC with up to 1 Msps sampling rate. The device integrates dedicated SMPS peripherals such as high-speed 10-bit PWM with dedicated time bases, dual analog comparators with programmable reference, and a 4-channel DMA controller that offloads data movement from the core to keep control loops deterministic.
The DSP engine executes one MAC per instruction cycle, and the modified Harvard bus allows simultaneous fetch of data and program words. The 44-pin TQFP package provides a thermal resistance of approximately 45 C/W (theta_JA) and supports industrial temperature operation from -40C to +85C. The 30 MIPS performance rating is based on a 120 MHz internal clock (4 MHz x 30 PLL multiplier), giving 33.3 ns instruction cycle time.
Typical applications include digital switch-mode power supplies (SMPS), AC-to-DC and DC-to-DC converters, power factor correction (PFC) stages, uninterruptible power supplies (UPS), digital lighting ballasts, and digital motor control. The high-speed PWM and fast ADC make it especially suitable for multi-loop topologies requiring tight voltage and current regulation.
When designing with this device, note that the -30I speed grade supports 30 MIPS operation across the full -40C to +85C industrial range. Verify that the chosen switching frequency of your SMPS loop stays within the ADC sample-and-conversion time budget, and use the dedicated SMPS peripherals (high-speed PWM, fast comparator) rather than general-purpose I/O to maintain loop determinism.
This page synthesizes distributor pricing, drop-in alternative listings, comparison data, and practical design notes that go beyond what is found in the manufacturer datasheet alone, including application guidance, parametric comparison tables, and same-family alternatives for qualified re-use of existing PCB layouts.
Drop-in alternatives for DSPIC30F2023-30I/PT 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 DSPIC30F2023-30I/PT (same form factor and footprint) β differing in ADC, Package, Timers, MSL Level, Core.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
DSPIC30F2023T-30I/PT
β Drop-Inβ In Stock
$4.15 / Unit
View Datasheet βDSPIC30F2020-30I/PT
β Drop-Inπ Reference alternative (not in catalog)
DSPIC30F2020T-30I/SO
β Drop-In β οΈ εζ°εΎ ιͺθ―β In Stock
$2.88 / Unit
View Datasheet βDSPIC30F1010-30I/PT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC30F2010-30I/PT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC30F2011-30I/PT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
DSPIC30F2023-30I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F 16-bit modified Harvard |
| Program Memory (Flash) | 12 KB (4K x 24) |
| RAM Size | 512 bytes (512 x 8) |
| CPU Speed (MIPS) | 30 MIPS |
| Internal Clock Frequency | 120 MHz (4 MHz x 30 PLL) |
| Instruction Cycle Time | 33.3 ns |
| Operating Voltage | 3.0 V to 5.5 V (3.3V / 5V) |
| Number of I/O Pins | 21 |
| Package / Case | 44-pin TQFP (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| ADC | 10-bit, up to 1 Msps |
| Timers | 4 x 16-bit |
| PWM Channels | High-speed 10-bit PWM, SMPS-dedicated |
| Analog Comparators | Dual with programmable reference |
| DMA | 4-channel |
| Operating Temperature Range | -40 C to +85 C (Industrial, I-grade) |
| Speed Grade Suffix | 30I (30 MIPS, industrial temp) |
| RoHS Status | Compliant |
| MSL Level | MSL3 (per JEDEC J-STD-020) |
DSPIC30F2023-30I/PT Pin Configuration
| Pin 1 | SDA/RB9 β I2C data / PORTB bit 9 |
| Pin 2 | RP15/CN15/RB15 β Remappable peripheral / PORTB bit 15 |
| Pin 3 | OSC1/CLKI/RA2 β Oscillator crystal input or external clock |
| Pin 4 | OSC2/CLKO/RA3 β Oscillator crystal output or clock out |
| Pin 5 | TDI/RA4 β JTAG test data in / PORTA bit 4 |
| Pin 6 | TMS/RP16/RA5 β JTAG test mode select / PORTA bit 5 |
| Pin 7 | TCK/RA6 β JTAG test clock / PORTA bit 6 |
| Pin 8 | TDO/RA7 β JTAG test data out / PORTA bit 7 |
| Pin 9 | VDD β Positive supply for I/O and core logic |
| Pin 10 | VSS β Ground reference |
| Pin 11 | PWM1H/RE0 β PWM1 high-side output / PORTE bit 0 |
| Pin 12 | PWM1L/RE1 β PWM1 low-side output / PORTE bit 1 |
| Pin 13 | PWM2H/RE2 β PWM2 high-side output / PORTE bit 2 |
| Pin 14 | PWM2L/RE3 β PWM2 low-side output / PORTE bit 3 |
| Pin 15 | PWM3H/RE4 β PWM3 high-side output / PORTE bit 4 |
| Pin 16 | PWM3L/RE5 β PWM3 low-side output / PORTE bit 5 |
| Pin 17 | AN0/C2IN+/RB0 β Analog input 0 / comparator 2 positive / PORTB bit 0 |
| Pin 18 | AN1/C2IN-/RB1 β Analog input 1 / comparator 2 negative / PORTB bit 1 |
| Pin 19 | AN2/C1IN+/RB2 β Analog input 2 / comparator 1 positive / PORTB bit 2 |
| Pin 20 | AN3/C1IN-/RB3 β Analog input 3 / comparator 1 negative / PORTB bit 3 |
| Pin 21 | AN4/RC1 β Analog input 4 / PORTC bit 1 |
| Pin 22 | AN5/RC2 β Analog input 5 / PORTC bit 2 |
| Pin 23 | AN6/RC3 β Analog input 6 / PORTC bit 3 |
| Pin 24 | AN7/RC4 β Analog input 7 / PORTC bit 4 |
| Pin 25 | AVSS β Analog ground |
| Pin 26 | AVDD β Analog positive supply |
| Pin 27 | FLTA/INT0/RD0 β PWM fault input / external interrupt 0 |
| Pin 28 | SCL/RD1 β I2C clock / PORTD bit 1 |
| Pin 29 | SDA/RD2 β I2C data / PORTD bit 2 |
| Pin 30 | U1RX/RF0 β UART1 receive / PORTF bit 0 |
| Pin 31 | U1TX/RF1 β UART1 transmit / PORTF bit 1 |
| Pin 32 | RP8/CN20/RF6 β Remappable peripheral / PORTF bit 6 |
| Pin 33 | RF7 β PORTF bit 7 (general I/O) |
| Pin 34 | RF8 β PORTF bit 8 (general I/O) |
| Pin 35 | RG0 β PORTG bit 0 (general I/O) |
| Pin 36 | RG1 β PORTG bit 1 (general I/O) |
| Pin 37 | RG2 β PORTG bit 2 (general I/O) |
| Pin 38 | RG3 β PORTG bit 3 (general I/O) |
| Pin 39 | MCLR β Master clear reset (active low) |
| Pin 40 | PGED2/RP10/RB10 β Programming/debug data / PORTB bit 10 |
| Pin 41 | PGEC2/RP11/RB11 β Programming/debug clock / PORTB bit 11 |
| Pin 42 | PGED1/RP3/RB3 β ICSP programming data 1 |
| Pin 43 | PGEC1/RP4/RB4 β ICSP programming clock 1 |
| Pin 44 | VSS β Ground reference (second bond pad) |
Typical Applications
DSPIC30F2023-30I/PT is suitable for 6 applications: Switch-Mode Power Supply (SMPS) Control, Power Factor Correction (PFC) Stages, Uninterruptible Power Supply (UPS) Controllers, Digital Lighting Ballasts, AC/DC and DC/DC Converter Modules, Industrial Motor Drive Control.
Switch-Mode Power Supply (SMPS) Control
The DSPIC30F2023-30I/PT is purpose-built for closed-loop digital control of switch-mode power supplies. Its 30 MIPS core and high-speed 10-bit PWM module can drive a multi-loop SMPS at switching frequencies up to 500 kHz, with a single instruction cycle MAC enabling real-time PI compensator execution for voltage-mode and current-mode control. The dedicated SMPS PWM module offers programmable dead time, fault inputs, and current-reset, replacing discrete PWM controller ICs in digital designs and reducing analog component count.
Recommended
Power Factor Correction (PFC) Stages
Digital PFC stages benefit directly from the DSPIC30F2023-30I/PT combination of 30 MIPS throughput and a 10-bit ADC capable of 1 Msps sampling. The controller executes average-current-mode control with input voltage feedforward, harmonic compensation, and soft-start sequencing on a single chip. According to Microchip application note AN1114, a complete boost-PFC implementation fits well within the 12 KB Flash budget, leaving room for brownout, AC line detection, and protection state machines.
Recommended
Uninterruptible Power Supply (UPS) Controllers
In online and line-interactive UPS designs, the DSPIC30F2023-30I/PT manages inverter control, battery charging, AC line synchronization, and load sharing. Its dual analog comparators with programmable reference provide fast overcurrent and battery-voltage threshold detection, while the 4-channel DMA offloads ADC sample buffering from the CPU to keep control loops deterministic. The wide 3.0-5.5 V supply range lets the same board operate from either 3.3 V or 5 V bias supplies.
Recommended
Digital Lighting Ballasts
The DSPIC30F2023-30I/PT drives electronic ballasts for fluorescent, HID, and LED lighting with on-the-fly dimming and power factor management. Its high-speed PWM and dual analog comparators support resonant half-bridge topologies with frequency sweeping for soft-start and lamp warm-up. The 12 KB Flash accommodates multiple lamp profiles (T5, T8, HID) selectable at runtime, while the industrial -40 C to +85 C temperature range ensures reliability in enclosed luminaires.
Recommended
AC/DC and DC/DC Converter Modules
For isolated AC/DC adapters and non-isolated DC/DC POL converters, the DSPIC30F2023-30I/PT provides digital primary-side regulation that replaces opto-isolated TL431 feedback loops. The 10-bit ADC samples auxiliary winding voltage for primary-side regulation with accuracy sufficient for Β±3% output tolerance, while the high-speed PWM drives the primary MOSFET at fixed frequency with synchronous rectification timing. The 44-pin TQFP package provides enough I/O for multi-output converter modules.
Recommended
Industrial Motor Drive Control
The DSPIC30F2023-30I/PT handles BLDC, PMSM, and brushed DC motor control in low-voltage industrial drives up to 48 V. Its 30 MIPS core runs field-oriented control (FOC) at PWM frequencies up to 20 kHz with 4 kHz current loop bandwidth, while the QEI module accepts quadrature encoder feedback for precise rotor position. The dual analog comparators provide hardware overcurrent protection that bypasses software latency, critical for safe motor shutdown.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F2023-30I/PT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2023T-30I/PT | DSPIC30F2020-30I/PT | DSPIC30F1010-30I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT) | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Program Memory (Flash) | 12 KB | 12 KB | 6 KB | 6 KB |
| RAM Size | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| CPU Speed (MIPS) | 30 MIPS | 30 MIPS | 30 MIPS | 30 MIPS |
| Number of I/O Pins | 21 | 21 | 21 | 21 |
| Operating Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| Temperature Range | -40 C to +85 C (I-grade) | -40 C to +85 C (I-grade) | -40 C to +85 C (I-grade) | -40 C to +85 C (I-grade) |
| ADC | 10-bit, 1 Msps | 10-bit, 1 Msps | 10-bit, 1 Msps | 10-bit, 1 Msps |
| Packaging Media | Tray | Tape and Reel | Tray | Tray |
Key Differentiators
- Largest Flash in the 30F202X SMPS family at this package (vs DSPIC30F2020-30I/PT)
- Dedicated SMPS peripherals on-chip (vs DSPIC30F2010-30I/PT)
- Industrial -40 C to +85 C operating temperature (vs DSPIC30F1010)
Design Notes
Decouple VDD with a 10 uF bulk tantalum or ceramic capacitor in parallel with a 100 nF ceramic placed within 5 mm of the pin. AVDD should have its own 10 uF + 100 nF pair, and AVSS must connect to VSS at a single point to avoid digital-noise coupling into the ADC reference. The internal voltage regulator also requires a low-ESR 10 uF capacitor on the VCAP pin per the datasheet.
Route the analog inputs (AN0-AN7) away from the high-speed PWM outputs (PWM1H/L through PWM3H/L) and from switching power traces. Keep the ADC traces short and surrounded by ground pour on both sides of the PCB. Place the crystal oscillator (if used) close to OSC1/OSC2 with a guard ring tied to ground. The PGEDx/PGECx programming pins should be brought to a 2x5 or 1x6 header for in-circuit programming access without disturbing board layout.
When sampling the SMPS current-sense signal, place a 100 ohm series resistor and a 1 nF RC filter within 10 mm of the analog input pin to limit switching noise injection. For the ADC reference, use an external low-noise reference (such as the MCP1525) rather than the internal reference if better than 1% accuracy is required. The dual analog comparators on pins AN0-AN3 should have their reference voltages driven from low-impedance dividers to avoid drift.
Do not leave the MCLR pin floating - always pull it up to VDD through a 10 kohm resistor with a 100 nF cap to ground for noise filtering. The TMS/TCK/TDO/TDI JTAG pins should not be left floating during normal operation; configure them as inputs with the appropriate LAT/TRIS settings. When migrating from a -20 speed grade (20 MIPS) firmware, recompile with the -30 (30 MIPS) optimization settings or the control loops will not close within the new instruction budget.
Compliance Information
RoHS compliant and lead-free per Microchip product page. AEC-Q100 not applicable (industrial/consumer SMPS use, not automotive). Halogen-free status to be confirmed via manufacturer declaration letter.
