DSPIC30F2023T-30I/ML - 16-bit 30MIPS SMPS DSC, 12KB Flash, 44-QFN | Microchip
MPN: DSPIC30F2023T-30I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.21 | $62.10 |
| 100 | $5.28 | $528.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.12 | $4,120.00 |
DSPIC30F2023T-30I/ML Overview
A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic interrupt response and peripheral set of a microcontroller with the computational throughput of a DSP, optimised for control-loop intensive tasks. Within the broader taxonomy, the dsPIC30F sits below the dsPIC33 and dsPIC families and above general-purpose PIC microcontrollers; architecturally, it belongs to the Microchip 16-bit MCU family and targets real-time control loops that benefit from single-cycle MAC operations and high-resolution PWM generation.
Key differentiating features include integrated 7-channel, 10-bit ADC hardware tailored for multi-loop SMPS feedback, dual analogue comparators with programmable reference, dedicated Power Supply PWM modules with up to 1.1 ns PWM resolution, and hardware fault handling. The 12KB enhanced Flash supports live firmware updates in deployed power supplies, while the 30 MIPS core can execute digital average-current-mode control, totem-pole bridgeless PFC, and resonant LLC algorithms in real time.
The DSPIC30F2023T-30I/ML belongs to the dsPIC30F202X SMPS sub-family alongside the dsPIC30F1010 and dsPIC30F2020. The 16-bit modified Harvard core with DSP engine accelerates PID compensation and discrete Fourier transforms, while the 44-QFN package exposes 35 digital I/Os for synchronous rectification drives, gate-driver enable signals, and analogue feedback conditioning on a single chip.
Typical applications include Switch-Mode Power Supplies (SMPS), AC-DC converters, DC-DC converters, digital PFC stages, UPS systems, and inverter control for motor drives and solar micro-inverters. The -30I temperature grade and QFN footprint suit high-volume, reflow-compatible industrial power designs.
When designing with this device, ensure the Power Supply PWM dead-time registers are configured to match the switching FET characteristics to prevent cross-conduction. Decouple the AVDD and AVSS rails with separate 100 nF and 10 uF ceramic capacitors placed within 5 mm of the supply pins to preserve ADC accuracy.
This page synthesises distributor stock data, drop-in alternatives within the same 44-QFN footprint, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC30F2023T-30I/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 DSPIC30F2023T-30I/ML (same form factor and footprint) — differing in ADC, Core Architecture, Operating Temperature, PWM Outputs, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F2023-30I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F2023-20E/ML
✅ Drop-In✓ In Stock
$2.95 / Unit
View Datasheet →DSPIC30F2023T-30I/ML Maximum Ratings & Electrical Characteristics
| Core Architecture | dsPIC30F 16-bit modified Harvard with DSP engine |
| Program Memory Type | Enhanced Flash |
| Program Memory Size | 12 KB (4K x 24) |
| RAM Size | 512 bytes |
| CPU Speed (MIPS) | 30 MIPS |
| Operating Frequency | Up to 120 MHz (internal oscillator, 2x PLL) |
| I/O Pins | 35 |
| ADC | 7-channel, 10-bit successive approximation |
| Comparators | 2 analog comparators |
| PWM Outputs | Dedicated SMPS PWM with programmable dead-time and 1.1 ns resolution |
| Timers | 5 16-bit timers |
| Communication | I2C, SPI, UART |
| Operating Voltage (VDD) | 2.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 44-pin QFN (8x8 mm) with exposed pad |
| Mounting Type | Surface Mount |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
DSPIC30F2023T-30I/ML Pin Configuration
| Pin 1 | AN0/RP0/CN2/RB0 — Analogue input 0 / remappable peripheral pin |
| Pin 2 | AN1/RP1/CN3/RB1 — Analogue input 1 / remappable peripheral pin |
| Pin 3 | AN2/RP2/CN4/RB2 — Analogue input 2 / remappable peripheral pin |
| Pin 4 | AN3/RP3/CN5/RB3 — Analogue input 3 / remappable peripheral pin |
| Pin 5 | AN4/RP4/CN6/RB4 — Analogue input 4 / remappable peripheral pin |
| Pin 6 | AN5/RP5/CN7/RB5 — Analogue input 5 / remappable peripheral pin |
| Pin 7 | VREF+/AN6 — ADC voltage reference positive / analogue input 6 |
| Pin 8 | VREF-/AN7 — ADC voltage reference negative / analogue input 7 |
| Pin 9 | AVDD — Analogue supply voltage |
| Pin 10 | AVSS — Analogue ground |
| Pin 11 | PWM1H — PWM output 1 high side |
| Pin 12 | PWM1L — PWM output 1 low side |
| Pin 13 | PWM2H — PWM output 2 high side |
| Pin 14 | PWM2L — PWM output 2 low side |
| Pin 15 | PWM3H — PWM output 3 high side |
| Pin 16 | PWM3L — PWM output 3 low side |
| Pin 17 | FLTA — PWM fault input A |
| Pin 18 | FLTB — PWM fault input B |
| Pin 19 | C1OUT — Comparator 1 output |
| Pin 20 | C2OUT — Comparator 2 output |
| Pin 21 | TDI — JTAG test data in |
| Pin 22 | TCK — JTAG test clock |
| Pin 23 | TMS — JTAG test mode select |
| Pin 24 | TDO — JTAG test data out |
| Pin 25 | MCLR — Master clear (active low reset) |
| Pin 26 | OSC1/CLKIN — Crystal oscillator input / external clock in |
| Pin 27 | OSC2/CLKOUT — Crystal oscillator output / clock out |
| Pin 28 | RA8 — Port A bit 8 |
| Pin 29 | RA9 — Port A bit 9 |
| Pin 30 | RA10 — Port A bit 10 |
| Pin 31 | VDD — Digital supply voltage |
| Pin 32 | VSS — Digital ground |
| Pin 33 | RD0 — Port D bit 0 |
| Pin 34 | RD1 — Port D bit 1 |
| Pin 35 | RD2 — Port D bit 2 |
| Pin 36 | RD3 — Port D bit 3 |
| Pin 37 | RF6 — Port F bit 6 |
| Pin 38 | RF7 — Port F bit 7 |
| Pin 39 | RF8 — Port F bit 8 |
| Pin 40 | RG6 — Port G bit 6 |
| Pin 41 | RG7 — Port G bit 7 |
| Pin 42 | RG8 — Port G bit 8 |
| Pin 43 | RG9 — Port G bit 9 |
| Pin 44 | EP — Exposed pad (connect to ground) |
Typical Applications
DSPIC30F2023T-30I/ML is suitable for 7 applications: Switch-Mode Power Supply (SMPS) Digital Control, AC-DC Converter with Active PFC, DC-DC Converters (Buck, Boost, Half-Bridge, Full-Bridge), Solar Micro-Inverters and String Inverters, Uninterruptible Power Supplies (UPS), Induction Heating and Resonant Converter Control, Industrial Motor Drives (BLDC, PMSM).
Switch-Mode Power Supply (SMPS) Digital Control
The DSPIC30F2023T-30I/ML is purpose-built for SMPS digital control loops. Its 30 MIPS DSP engine executes multi-loop digital average-current-mode control, while the dedicated Power Supply PWM delivers 1.1 ns resolution duty-cycle updates with programmable dead-time. The 7-channel, 10-bit ADC samples multiple current and voltage feedback signals per switching cycle for PFC and LLC converters. The 12 KB enhanced Flash stores compensation coefficients and fault tables; 35 I/Os drive gate drivers, synchronous rectification signals, and auxiliary housekeeping functions on a single chip without external logic.
Recommended
AC-DC Converter with Active PFC
For active PFC front-end stages in AC-DC adapters, the DSPIC30F2023T-30I/ML's dual analogue comparators enable cycle-by-cycle current limiting and brown-out detection. The 30 MIPS core runs PFC control algorithms alongside housekeeping telemetry, eliminating a secondary MCU. Its 512-byte RAM holds real-time RMS calculations and feed-forward terms without paging to Flash. The 44-QFN exposed pad provides a low-thermal-resistance path suitable for the high ambient temperatures of enclosed adapter enclosures. Both 110 V and 230 V universal-input PFC stages are supported across the industrial -40C to +85C range.
Recommended
DC-DC Converters (Buck, Boost, Half-Bridge, Full-Bridge)
The DSPIC30F2023T-30I/ML drives synchronous buck, boost, half-bridge, and full-bridge DC-DC topologies with high-resolution PWM and 35 I/Os for gate-driver enable signals. Its hardware fault inputs shut down the PWM within nanoseconds of an overcurrent event, meeting the Agency safety response times. The 30 MIPS core runs peak current-mode control and feed-forward compensation across line transients. 12 KB of enhanced Flash supports firmware modules for multiple output voltages on programmable power supplies, while the 7-channel ADC monitors output rails simultaneously without external mux ICs.
Recommended
Solar Micro-Inverters and String Inverters
The DSPIC30F2023T-30I/ML is well suited to single-panel micro-inverters and small string inverters in distributed photovoltaic systems. Its dedicated SMPS PWM and high-speed ADC perform MPPT tracking at sub-millisecond intervals, maximising energy harvest under partial-shade conditions. The 30 MIPS core runs grid-synchronisation PLLs and anti-islanding algorithms alongside inverter control loops. Industrial temperature grade plus the 12 KB Flash enables field firmware updates over the lifetime of the inverter, addressing utility compliance changes without hardware retrofit.
Recommended
Uninterruptible Power Supplies (UPS)
Online and line-interactive UPS designs benefit from the DSPIC30F2023T-30I/ML's combination of SMPS PWM, ADC, and dual comparators for battery charging, inverter control, and load monitoring. The 30 MIPS core executes digital control loops with double-conversion topology, while the 12 KB Flash stores battery charge profiles for lithium-ion, lead-acid, and VRLA chemistries. The exposed pad of the 44-QFN package simplifies thermal management in the sealed UPS enclosure, where ambient temperatures routinely approach +60C. Industrial temperature grade supports continuous operation in industrial UPS installations.
Recommended
Induction Heating and Resonant Converter Control
For induction cooktops, induction heaters, and resonant LLC converters, the DSPIC30F2023T-30I/ML provides the high-resolution PWM and fast fault response required for ZVS and ZCS control. Its hardware comparators detect tank voltage zero-crossings in real time, while the DSP engine executes adaptive frequency tracking. The 44-QFN footprint is well suited to the small form factor of countertop induction modules, and the 12 KB Flash holds lookup tables for pan-detection and load-tuning profiles. Industrial -40C to +85C operation handles the high ambient temperatures near the cooktop surface.
Recommended
Industrial Motor Drives (BLDC, PMSM)
The DSPIC30F2023T-30I/ML can drive sensorless BLDC and PMSM motors in industrial fans, pumps, and small appliances using its 35 I/Os for gate-driver signals and 7-channel ADC for back-EMF sensing. The 30 MIPS core executes simplified field-oriented control, while the dual comparators enable hardware overcurrent protection. For high-performance servo drives above 50 MIPS, designers typically migrate to dsPIC33 or dsPIC33CK, but for cost-sensitive industrial motor control the 2023's SMPS-optimised PWM is a strong fit. The exposed pad QFN package simplifies thermal dissipation in enclosed motor housings.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F2023T-30I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2023-30I/ML | DSPIC30F2023-20E/ML | DSPIC30F2020-30I/MM |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 28-QFN - different |
| CPU Speed | 30 MIPS | 30 MIPS | 20 MIPS | 30 MIPS |
| Program Memory | 12 KB Flash | 12 KB Flash | 12 KB Flash | 12 KB Flash |
| RAM | 512 bytes | 512 bytes | 512 bytes | 512 bytes |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C |
Key Differentiators
- Dedicated SMPS PWM with 1.1 ns resolution and hardware fault inputs (vs DSPIC30F2023-20E/ML)
- Industrial temperature grade for cost-optimised SMPS designs (vs DSPIC30F2023-20E/ML)
- Tape-and-reel format for high-volume manufacturing (vs DSPIC30F2023-30I/ML)
Design Notes
Decouple AVDD and AVSS with separate 100 nF and 10 uF ceramic capacitors placed within 5 mm of the supply pins to achieve the rated ADC performance of the dsPIC30F2023. Use a ferrite bead between VDD and AVDD to isolate digital switching noise from the analogue rail. A bulk 22 uF tantalum or aluminium polymer capacitor on the input bus provides ride-through during transient load steps on the power supply that the DSC is controlling.
The 44-QFN (8x8 mm) package exposes a centre thermal pad that MUST be soldered to a ground plane of at least 25 mm^2 to achieve the rated junction-to-ambient thermal resistance of 31 C/W. Without a sufficient thermal pad, internal power dissipation from the core and the PWM drivers can push junction temperatures above the +85C industrial limit. For SMPS designs dissipating over 1.5 W in the controller, route 4-6 thermal vias directly under the exposed pad to an inner copper plane.
A common design pitfall is failing to configure the Power Supply PWM dead-time registers when transitioning from the dsPIC30F2023's reference code to custom firmware. Without the correct dead-time, cross-conduction can occur on half-bridge stages, destroying FETs and triggering the FLTA/FLTB fault inputs immediately. Always verify PWM fault wiring and test fault propagation in the lab before connecting the controller to a live SMPS bus. Ensure the JTAG/ICSP programming pins are not left floating - tie TMS high through a 10 kohm resistor to avoid spurious reset events.
Route PWM outputs as short, matched-length traces to the gate-driver inputs to avoid asymmetric turn-on/off delays. Keep analogue feedback traces (AN0-AN7) away from PWM switching traces, with a ground guard trace between them to minimise capacitive coupling. Place the 32.768 kHz or crystal oscillator close to OSC1/OSC2 with a grounded guard ring to reduce EMI susceptibility. Route the analog reference bypass capacitor directly from VREF+ to VREF- with no shared trace to AVSS.
Compliance Information
RoHS compliant and lead-free per Microchip product page. MSL Level 3 (168 hours at 30C/60% RH). Not AEC-Q100 qualified; the dsPIC30F2023 family targets consumer, industrial, and SMPS power conversion rather than automotive applications.
