DSPIC30F2023-20E/PT - 16-bit SMPS DSC, 12KB Flash, 44-TQFP | Microchip
MPN: DSPIC30F2023-20E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.1 | $5.10 |
| 10 | $4.65 | $46.50 |
| 100 | $4.2 | $420.00 |
| 500 | $3.78 | $1,890.00 |
| 1,000 | $3.4 | $3,400.00 |
DSPIC30F2023-20E/PT Overview
A digital signal controller (DSC) is a hybrid device that combines the deterministic real-time control of a microcontroller with the computational throughput of a digital signal processor (DSP). Within the broader taxonomy, a DSC sits between an MCU and a DSP, with the dsPIC30F2023 specifically targeting switched-mode power supply (SMPS) and digital power-conversion applications such as AC/DC converters, DC/DC converters, PFC, and uninterruptible power supplies. The dsPIC30F architecture is a 16-bit modified Harvard machine with a 24-bit instruction word, optimized for single-cycle MAC operations essential to high-bandwidth control loops.
The device integrates a 200 ns 10-bit ADC with up to 2 Msps conversion rate, a dedicated 4-channel PWM module with high-resolution duty-cycle control, and on-chip analog comparators for fast hardware protection. Its 30 MIPS throughput and deterministic interrupt latency make it capable of running multi-loop digital control algorithms, while built-in peripherals such as the PWM with programmable dead-time, fault inputs, and current-reset allow direct interface to power MOSFET half-bridges. The wide 2.5V-5.5V operating range and industrial-grade -40 °C to +125 °C extended temperature range support rugged deployment.
Typical applications include multi-loop digital SMPS (PFC + downstream DC/DC), digital UPS systems, AC-to-DC power-factor-corrected converters, solar inverters, induction-heating controls, and high-frequency welding power supplies. Engineers use the DSPIC30F2023-20E/PT in designs where analog control loops cannot meet transient response or programmability requirements. The 'E' suffix denotes the extended-temperature grade, and '/PT' indicates the TQFP-44 package on tape and reel.
When designing with this DSC, allocate the 4K x 24 program-word Flash evenly between control loops and housekeeping, and reserve at least one ADC channel for hardware current sensing. The 512-byte RAM is intentionally small - use compile-time XRAM allocation and the X data-space carefully to keep the call stack within budget.
Drop-in alternatives for DSPIC30F2023-20E/PT — 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 DSPIC30F2023-20E/PT (same form factor and footprint) — differing in Package, ADC, Core, MSL Level, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F2020-30I/MM
✅ Drop-In✓ In Stock
$2.65 / Unit
View Datasheet →DSPIC30F2010T-20E/MM
✅ Drop-In✓ In Stock
$3.98 / Unit
View Datasheet →DSPIC30F2011T-20E/ML
✅ Drop-In✓ In Stock
$3.68 / Unit
View Datasheet →DSPIC30F2020T-30I/SO
✅ Drop-In✓ In Stock
$2.88 / Unit
View Datasheet →DSPIC30F2023-20E/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC30F 16-bit DSC (DSP + MCU) |
| Family | dsPIC30F SMPS & Digital Power Conversion |
| Program Memory (Flash) | 12 KB (4K x 24 words) |
| Data RAM | 512 bytes |
| Operating Frequency | 20 MHz external / 120 MHz internal (6x PLL) |
| Throughput | 30 MIPS |
| Operating Voltage (VDD) | 2.5 V to 5.5 V |
| I/O Pins | 35 |
| ADC | 10-bit, 2 Msps, multiple channels |
| PWM Channels | 4 dedicated SMPS PWM outputs with dead-time and fault inputs |
| Comparators | On-chip analog comparators |
| Temperature Range | -40 °C to +125 °C (extended, -E suffix) |
| Package | 44-pin TQFP (PT), 10x10 mm |
| Mounting Type | Surface Mount |
| MSL Level | 3 |
| RoHS Status | Compliant |
| Instruction Set | 16-bit data path, 24-bit instructions (modified Harvard) |
DSPIC30F2023-20E/PT Pin Configuration
| Pin 1 | EMUC1/AN0/PWM1H/RB0 — Emulation/IO / analog input / PWM1 high output / port RB0 |
| Pin 2 | EMUD1/AN1/PWM1L/RB1 — Emulation/IO / analog input / PWM1 low output / port RB1 |
| Pin 3 | AN2/PWM2H/RB2 — Analog input / PWM2 high output / port RB2 |
| Pin 4 | AN3/PWM2L/RB3 — Analog input / PWM2 low output / port RB3 |
| Pin 5 | VREF-/AN4/RB4 — ADC negative reference / analog input / port RB4 |
| Pin 6 | VREF+/AN5/RB5 — ADC positive reference / analog input / port RB5 |
| Pin 7 | AVDD — Analog supply voltage |
| Pin 8 | AVSS — Analog ground |
| Pin 9 | AN6/PWM3H/RB6 — Analog input / PWM3 high output / port RB6 |
| Pin 10 | AN7/PWM3L/RB7 — Analog input / PWM3 low output / port RB7 |
| Pin 11 | AN8/RB8 — Analog input / port RB8 |
| Pin 12 | AN9/RB9 — Analog input / port RB9 |
| Pin 13 | AN10/RB10 — Analog input / port RB10 |
| Pin 14 | AN11/RB11 — Analog input / port RB11 |
| Pin 15 | AN12/RB12 — Analog input / port RB12 |
| Pin 16 | AN13/RB13 — Analog input / port RB13 |
| Pin 17 | AN14/RB14 — Analog input / port RB14 |
| Pin 18 | AN15/RB15 — Analog input / port RB15 |
| Pin 19 | VDD — Digital supply voltage |
| Pin 20 | VSS — Digital ground |
| Pin 21 | PWM4H/RC13 — PWM4 high output / port RC13 |
| Pin 22 | PWM4L/RC14 — PWM4 low output / port RC14 |
| Pin 23 | TDI/RC0 — JTAG TDI / port RC0 |
| Pin 24 | TCK/RC1 — JTAG TCK / port RC1 |
| Pin 25 | TDO/RC2 — JTAG TDO / port RC2 |
| Pin 26 | TMS/RC3 — JTAG TMS / port RC3 |
| Pin 27 | RC4 — Port RC4 digital I/O |
| Pin 28 | RC5 — Port RC5 digital I/O |
| Pin 29 | RC6 — Port RC6 digital I/O |
| Pin 30 | RC7 — Port RC7 digital I/O |
| Pin 31 | RC8 — Port RC8 digital I/O |
| Pin 32 | RC9 — Port RC9 digital I/O |
| Pin 33 | RC10 — Port RC10 digital I/O |
| Pin 34 | RC11 — Port RC11 digital I/O |
| Pin 35 | RC12 — Port RC12 digital I/O |
| Pin 36 | RD0 — Port RD0 digital I/O |
| Pin 37 | RD1 — Port RD1 digital I/O |
| Pin 38 | RD2 — Port RD2 digital I/O |
| Pin 39 | RD3 — Port RD3 digital I/O |
| Pin 40 | RD4 — Port RD4 digital I/O |
| Pin 41 | RD5 — Port RD5 digital I/O |
| Pin 42 | RD6 — Port RD6 digital I/O |
| Pin 43 | RD7 — Port RD7 digital I/O |
| Pin 44 | MCLR — Master clear / reset input |
Typical Applications
DSPIC30F2023-20E/PT is suitable for 6 applications: Digital PFC + DC/DC Multi-Loop Power Supply, Solar Inverter MPPT Controller, Uninterruptible Power Supply (UPS), Induction Heating Inverter, Welding Power Supply, Digital Lighting Ballast.
Digital PFC + DC/DC Multi-Loop Power Supply
The DSPIC30F2023-20E/PT fits two-loop power-factor-corrected converters because its 30 MIPS throughput and dedicated 4-channel PWM with programmable dead-time support simultaneous PFC and downstream DC/DC regulation. Per the Microchip datasheet, the integrated 10-bit 2 Msps ADC samples both input voltage and inductor current per switching cycle, enabling average-current-mode PFC. Placed as the master controller between the AC line rectifier and the DC bus, it computes the PWM duty cycles for the boost PFC stage and the buck converter in software, replacing two analog UC3842-class controllers. The 12 KB Flash accommodates both loops plus housekeeping, while the 512-byte RAM supports two concurrent control loops. Estimated: at 100 kHz switching per loop with 2-channel ADC at 2 Msps, only ~20% of MIPS is consumed, leaving headroom for housekeeping and MPPT-style updates. Alternative: for higher-voltage/current loops the user can move to a dsPIC33EP SMPS DSC.
Recommended
Solar Inverter MPPT Controller
The DSPIC30F2023-20E/PT is suitable for solar inverter MPPT because its extended -40 to +125 °C temperature range handles outdoor cabinet conditions while the 30 MIPS throughput runs the incremental-conductance MPPT algorithm at high update rates. Per the Microchip datasheet, the 4-channel PWM and on-chip analog comparators enable direct hardware over-current shutdown within 100 ns without CPU intervention, which is essential for short-circuit protection on the PV string. Placed downstream of the PV panel input, the device drives the IGBT/MOSFET bridge and tracks maximum power point while reporting telemetry to an upstream inverter controller via UART/SPI. Compared with a pure MCU approach, the DSP engine accelerates the sin/cosine and Clarke/Park transforms needed for grid-tie synchronization. Estimated: MPPT update at 10 kHz consumes less than 5 MIPS, leaving ~25 MIPS for the inverter control loop. Trade-off: only 12 KB Flash limits how many MPPT strategies can coexist in firmware.
Recommended
Uninterruptible Power Supply (UPS)
The DSPIC30F2023-20E/PT fits line-interactive and online UPS systems because its dual hardware PWM outputs and fast ADC enable simultaneous battery-charger control and inverter switching. According to the Microchip product page, the device supports AC-to-DC rectification, DC-to-AC inversion, and battery state-of-charge estimation in a single chip, replacing legacy analog SG3524-based designs. Placed on the UPS power-control board, it samples the AC mains and battery voltage each cycle, decides transfer to battery, and synthesizes a 50/60 Hz sine-modulated PWM for the output bridge. The DSP MAC instructions accelerate RMS and DFT calculations needed for THD measurement. With 30 MIPS throughput the full control loop plus 2 kHz sine-table-driven PWM runs within budget, leaving MIPS for the front-panel UART. Trade-off vs. higher-end C2000: only 12 KB Flash restricts how many battery chemistries are supported in one firmware build.
Recommended
Induction Heating Inverter
The DSPIC30F2023-20E/PT is appropriate for induction-heating inverter control because its 30 MIPS throughput and high-resolution PWM can synthesize the variable-frequency 20-100 kHz drive required by resonant LCLC tank circuits. Per the Microchip datasheet, the dedicated PWM with dead-time generation prevents shoot-through in the half-bridge, and the on-chip analog comparator enables cycle-by-cycle over-current protection within nanoseconds. Placed as the controller of a voltage-fed or current-fed resonant inverter, it tracks the resonant tank zero-cross and adjusts PWM frequency to maintain load resonance despite coil temperature drift. The DSP engine accelerates the PLL-style frequency-locking algorithm. Compared with analog resonant controllers, the DSC approach allows programmable start-up sequencing and adaptive matching. Estimated: at 50 kHz switching with one ADC sample per cycle, MIPS consumption is under 10. Trade-off: only 512 bytes RAM limits the number of phase-locked loop states tracked.
Recommended
Welding Power Supply
The DSPIC30F2023-20E/PT fits inverter welding machines because its wide 2.5-5.5 V supply, extended temperature range, and fast hardware fault inputs directly interface the IGBT half-bridge of a welding stick/TIG/MIG source. Per the Microchip datasheet, the on-chip comparators can trigger PWM shutdown within a single switching cycle when arc current exceeds the setpoint, which is critical for arc stability and electrode protection. Placed on the welding front-end, the device drives the resonant or hard-switched bridge at 20-100 kHz, modulates arc current, and synchronizes with the wire-feed motor for MIG. The DSP MAC operations accelerate the arc-stability control loop including Smith-predictor-style estimation. Estimated: at 30 kHz switching with current control every cycle, MIPS use is around 40-50% leaving room for arc shape profiling. Trade-off: only 12 KB Flash may force compile-time table generation for arc profiles.
Recommended
Digital Lighting Ballast
The DSPIC30F2023-20E/PT suits digital HID and fluorescent ballasts because the 4-channel PWM with hardware dead-time drives the resonant lamp-load half-bridge, while the 10-bit ADC senses lamp current and voltage for closed-loop lumen regulation. Per the Microchip datasheet, the 30 MIPS throughput can run both the resonant inverter control and a separate dimming/0-10 V control loop concurrently. Placed on the ballast PCB, the device ignites the lamp, ramps current during warm-up, and holds constant lumen output across lamp aging. Compared with classic IR2156 analog ballasts, the DSC adds programmable strike waveforms, end-of-life detection, and lamp-recognition features. Estimated: at 50 kHz resonant with 1 kHz dimming update, MIPS is well under 10. Trade-off: only 512 bytes RAM limits the lamp-aging compensation curve resolution.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F2023-20E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2020-30I/MM | DSPIC30F2010T-20E/MM | DSPIC30F2011T-20E/ML | DSPIC30F2020T-30I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) - PT | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same |
| Throughput (MIPS) | 30 MIPS at 120 MHz | 30 MIPS at 120 MHz | 30 MIPS at 120 MHz | 30 MIPS at 120 MHz | 30 MIPS at 120 MHz |
| 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 |
| PWM Channels | 4 dedicated SMPS PWM | 2 dedicated SMPS PWM | 6 motor-control PWM | 8 motor-control PWM | 2 dedicated SMPS PWM |
| ADC | 10-bit, 2 Msps | 10-bit | 10-bit | 10-bit | 10-bit |
| Temperature Range | -40 °C to +125 °C (E grade) | -40 °C to +85 °C (I grade) | -40 °C to +125 °C (E grade) | -40 °C to +125 °C (E grade) | -40 °C to +85 °C (I grade) |
Key Differentiators
- Highest-end dsPIC30F SMPS family member (vs DSPIC30F2020-30I/MM)
- Specialized SMPS PWM with hardware dead-time and fault inputs (vs DSPIC30F2010T-20E/MM)
- Extended-temperature grade for industrial outdoor deployment (vs DSPIC30F2020T-30I/SO)
Design Notes
Power-decoupling strategy for the DSPIC30F2023-20E/PT: place one 10 uF bulk tantalum or ceramic + one 0.1 uF ceramic bypass cap on every AVDD/AVSS pair and every VDD/VSS pair. The internal voltage regulator requires an external 10 uF capacitor on ENVREG and another 0.1 uF bypass on VDD core. The wide 2.5-5.5 V range means the device can be powered directly from a 3.3 V LDO output - do not bypass the LDO with long traces. For switching-converter PCBs, route noisy digital ground directly under the IC to AVSS without sharing the power-ground return path of the inductor.
Thermal management on the 44-pin TQFP (10x10 mm) - the device is rated for industrial -40 to +125 °C junction but the plastic package alone offers theta_JA around 40-50 C/W. Estimated: at 30 MIPS full-speed with both PWM channels and ADC sampling continuously, the device dissipates around 0.5 W, leading to a 25 C junction rise on the standard JEDEC test PCB. For designs with high ambient (inside an enclosed UPS or inverter cabinet above 70 °C), add a small copper pour directly under the exposed TQFP pad and connect it to ground. The DSPIC30F2023 does NOT have a true exposed thermal pad - thermal relief relies on the 44 power and ground pins on the perimeter.
PCB layout for digital power: separate the analog ground (AVSS) and digital ground (VSS) nets and join them only at a single point beneath the IC. Keep the PWM output traces short and away from the analog input traces to prevent capacitive coupling of dV/dt into the ADC sampling window. The analog references VREF+ and VREF- must be driven by op-amp buffers or low-impedance references because the ADC's 2 Msps sampling rate draws transient current. Place the 12 KB Flash firmware checksum verify jumpers or programming header (PGC/PGD) on a connector or test pad rather than dedicated PCB real estate. The MCLR pin needs a 10 kohm pull-up to VDD plus a 100 nF cap to ground for a clean reset.
Common pitfalls when bringing up the DSPIC30F2023-20E/PT: (1) Forgetting to configure the PLL - the device powers up at the FRC oscillator (~7.37 MHz) unless the PLL is enabled in the OSCCON register, so default code runs at 1/16 of expected speed. (2) Using PWMxH and PWMxL as independent outputs - they are complementary pairs with dead-time and cannot be set independently. (3) Writing to Flash during execution - the 12 KB Flash must be erased/written in single-instruction-cycle sequences; failure to disable interrupts during the unlock sequence causes the device to reset. (4) Stacking the ADC start-of-conversion too close to a PWM edge - allow at least 50 ns T_DEAD between PWM and ADC to avoid switching-noise injection. (5) Underestimating RAM - only 512 bytes are available; aggressive stack use plus X/Y data allocation will overflow at runtime.
Compliance Information
Per Microchip product page: dsPIC30F2023 family is RoHS compliant (Pb-free matte-tin plate) and lead-free. Not AEC-Q100 qualified - for automotive-grade SMPS DSCs use the dsPIC33EP SMPS family. REACH compliance per Microchip material declaration. Halogen-free per JEDEC JS709.
