DSPIC30F1010-30I/SO - 16-bit 30MIPS SMPS DSC | Microchip
MPN: DSPIC30F1010-30I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.6 | $56.00 |
| 100 | $4.9 | $490.00 |
| 500 | $4.4 | $2,200.00 |
| 1,000 | $3.95 | $3,950.00 |
DSPIC30F1010-30I/SO Overview
A digital signal controller combines the compute throughput of a digital signal processor with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above analog-only SMPS controllers by replacing analog compensation loops with firmware-executed control loops, enabling programmable multi-loop switch-mode power supplies. The dsPIC30F family belongs to Microchip's broader 16-bit MCU/DSC portfolio.
Key features include a modified Harvard 16-bit DSP engine with dual 40-bit accumulators, 6 KB of Enhanced Flash program memory with self-programming capability, and an on-chip ADC tailored for power-conversion feedback sampling. The device operates from 3.3V to 5V supplies, integrating 21 general-purpose I/O pins suited to gate-drive and housekeeping functions.
The dsPIC30F1010 was purpose-built for digital switch-mode power supplies: firmware-implemented voltage-mode, current-mode, and multi-loop control replace discrete analog compensation, while the DSP engine executes PID and predictive control algorithms at 30 MIPS. In-circuit serial programming (ICSP) via the two-wire ICSP interface enables field firmware updates for control-law changes without hardware redesign.
Typical applications include AC-to-DC converters, multi-loop digital SMPS, DC-DC point-of-load converters, uninterruptible power supplies, and power-factor-correction stages where a 16-bit control core with on-chip ADC simplifies the bill of materials.
A key design consideration is control-loop latency: at 30 MIPS, complex multi-loop firmware must be profiled to ensure the ADC-sample-to-PWM-update path fits within the switching period, particularly above 100 kHz switching frequencies.
This page synthesizes distributor sourcing data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with pricing referenced as of 2026-09-20.
Drop-in alternatives for DSPIC30F1010-30I/SO — 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 DSPIC30F1010-30I/SO (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, Program Memory (Flash), Product Family.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F2020-30I/SO
✅ Drop-In✓ In Stock
$5.82 / Unit
View Datasheet →DSPIC30F2010-30I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.35 / Unit
View Datasheet →DSPIC30F3010-30I/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.64 / Unit
View Datasheet →DSPIC30F1010-30I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC30F modified Harvard, DSP engine |
| Maximum Operating Speed | 30 MIPS |
| Clock Frequency (external) | 15 MHz |
| Program Memory (Flash) | 6 KB |
| Data Memory (RAM) | 256 bytes |
| I/O Pins | 21 |
| Supply Voltage Range | 3.3 V to 5 V |
| Package | 28-pin SOIC (SO), wide body |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40C to +85C (industrial) |
| Program Memory Width | 24-bit instruction word |
| Technology | CMOS Flash |
| Programming Interface | ICSP (In-Circuit Serial Programming, 2-wire) |
| Product Family | dsPIC30F SMPS & Digital Power Conversion DSC |
| Target Applications | Digital SMPS, AC-DC converters, digital power conversion |
DSPIC30F1010-30I/SO 28-pin soic (so), wide body Pin Configuration Guide
Pin configuration for DSPIC30F1010-30I/SO (28-pin soic (so), wide body package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for DSPIC30F1010-30I/SO.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC30F1010-30I/SO is suitable for 6 applications: Digital AC-DC Converter Control, Multi-Loop Digital SMPS, DC-DC Point-of-Load Converters, Power Factor Correction (PFC) Stages, Uninterruptible Power Supplies (UPS), Industrial Welding and Heating Power Supplies.
Digital AC-DC Converter Control
The DSPIC30F1010-30I/SO implements the entire feedback and drive path of a digital AC-DC converter in firmware. Its 30 MIPS DSP engine executes voltage- and current-mode PI compensation loops each switching cycle, while the on-chip ADC digitizes output voltage and current feedback without external sampling ICs. The 3.3V to 5V operating range lets the controller share the housekeeping rail of either legacy or modern platforms, and the industrial -40C to +85C rating suits offline power supplies in field equipment. Because control laws live in Flash rather than analog compensation networks, output regulation, transient response, and protection thresholds are tunable in software, cutting redesign cycles. Designers must verify that the ADC-sampling-to-drive-update latency fits within the switching period; at 30 MIPS this is practical for converter switching frequencies up to roughly 100 kHz for single-loop topologies.
Recommended
Multi-Loop Digital SMPS
For multi-loop switch-mode power supplies requiring simultaneous voltage, current, and thermal loop management, the dsPIC30F1010 provides a deterministic 16-bit control core with dual 40-bit accumulators that handle inner current loops and outer voltage loops without precision loss. The 21 I/O lines interface gate drivers, relays, and supervisory signals, while 6 KB of Flash holds the control firmware, state machines, and fault handlers. The industrial temperature grade supports telecom rectifier and server power shelves. Firmware-based control allows adaptive loop scheduling - the inner loop runs every switching cycle while the outer loop runs slower - a structure analog controllers cannot implement flexibly. Engineers should profile worst-case interrupt latency at 30 MIPS to guarantee inner-loop jitter stays low, and reserve Flash headroom (target under 80% utilization of 6 KB) for future control-law revisions via ICSP field updates.
Recommended
DC-DC Point-of-Load Converters
The DSPIC30F1010-30I/SO suits digitally controlled point-of-load DC-DC bricks where programmable output voltage sequencing and telemetry add value over fixed analog regulators. Operating at 30 MIPS, the DSC closes the voltage loop in firmware and adjusts duty cycle digitally, enabling power-up rail sequencing and dynamic voltage scaling from the same controller. The 28-SOIC package fits the vertical space budget of brick-style converters, and 3.3V/5V operation matches common intermediate-bus derived housekeeping rails. The 6 KB Flash accommodates a compact PI loop plus I2C-style housekeeping code. The main trade-off is switching frequency: PoL converters switching above several hundred kHz exceed what a 30 MIPS firmware loop can service per-cycle, so this part is best below roughly 100-150 kHz switching frequency. For faster PoL rails, step up to the dsPIC30F2020 with its dedicated high-speed PWM hardware.
Recommended
Power Factor Correction (PFC) Stages
Digital PFC benefits from the dsPIC30F1010's ability to implement average-current-mode shaping of the input current in firmware. The on-chip ADC samples the rectified line voltage and inductor current, and the 30 MIPS DSP engine computes the PWM duty command each cycle, achieving input-current waveshaping with programmable harmonic targets that analog PFC controllers cannot match. Firmware also integrates brownout, inrush, and burst-mode standby logic in the same 6 KB Flash, reducing BOM count on the PFC board. The industrial temperature rating supports outdoor and telecom power front ends. Because PFC loops run at the line-crossing-referenced slow outer bandwidth with a fast inner current loop, per-cycle compute load is moderate and well within 30 MIPS capability. Developers should implement cycle-by-cycle current limiting in interrupt service code and validate firmware protection response times against the power stage's short-circuit withstand capability.
Recommended
Uninterruptible Power Supplies (UPS)
In line-interactive and double-conversion UPS designs, the DSPIC30F1010-30I/SO coordinates inverter control, battery charging, and transfer switching from one 16-bit core. Its dual 40-bit accumulators maintain numerical integrity across battery-voltage, inverter-output, and charging-current loops simultaneously, while 21 I/O lines drive relay and gate-driver interfaces. The -40C to +85C industrial grade covers installations in unconditioned telecom cabinets. Firmware-based control makes transfer timing, brownout detection, and charging profiles field-updatable through ICSP, valuable for regulatory or battery-chemistry revisions without board respins. The 6 KB Flash requires tight C coding with the XC16 compiler; developers should budget Flash carefully and offload logging to host systems. Note that full sine-wave inverter PWM generation at 20 kHz-class carrier frequencies is achievable, but verify per-cycle ISR execution time against the 30 MIPS budget during firmware bring-up.
Recommended
Industrial Welding and Heating Power Supplies
High-frequency welding and induction-heating power stages need robust, programmable control of output current envelopes, and the DSPIC30F1010-30I/SO delivers this through firmware-defined current profiles executed by its 30 MIPS DSP engine. The on-chip ADC samples workpiece current and bus voltage, the 21 I/O lines sequence contactors and interlocks, and Flash-resident profiles allow process recipes to change without analog rework. The industrial -40C to +85C temperature grade tolerates harsh factory environments, and CMOS Flash technology retains the program across power cycles. Thermal management is a real design factor: the controller should sit on the cool side of the PCB away from the resonant tank, with ground-plane segregation between the digital controller and high-current power loops to protect ADC accuracy. EMI hardening of the ADC reference and careful single-point grounding are recommended per standard Microchip digital power reference designs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F1010-30I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2020-30I/SO | DSPIC30F2010-30I/SO | DSPIC30F3010-30I/SO |
|---|---|---|---|---|
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-SOIC (SO) - same | 28-SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit DSC, 30 MIPS | 16-bit DSC, 30 MIPS | 16-bit DSC, 30 MIPS | 16-bit DSC, 30 MIPS |
| Flash Program Memory | 6 KB | 12 KB (verify per datasheet) | 12 KB | 12 KB |
| RAM | 256 bytes | 512 bytes (verify per datasheet) | 512 bytes | 1 KB |
| Supply Voltage | 3.3 V to 5 V | 3.3 V to 5 V | 3.3 V to 5 V | 3.3 V to 5 V |
| Primary Peripheral Focus | SMPS & digital power conversion (entry level) | Dedicated high-speed PWM, SMPS-oriented | Motor control PWM (PCPWM) | Motor control PWM (PCPWM), general-purpose |
Key Differentiators
- Lowest-cost entry to Microchip digital power DSC family (vs DSPIC30F2020-30I/SO)
- Same 28-SOIC footprint with memory upgrade path (vs DSPIC30F2010-30I/SO)
- Trade-off: SMPS-focused but without dedicated high-speed PWM hardware (vs DSPIC30F2020-30I/SO)
Design Notes
Control-loop latency is the dominant pitfall on this 30 MIPS part. At a 100 kHz switching frequency, the period is only 10 us; the ADC sample, compensator computation, and PWM update must all complete inside one ISR with margin. Profile worst-case interrupt execution with the XC16 compiler cycle counter before committing to a switching frequency, and keep the inner current loop ISR lean - avoid floating point (use the dsPIC fixed-point/Q15 fractional math) and defer telemetry and housekeeping to low-priority background loops.
Segregate the digital controller ground from the power-stage ground with a single-point (star) connection near the controller. Run ADC feedback traces away from gate-drive and switching nodes, and place a 0.1 uF ceramic capacitor directly across each VDD/VSS pair plus bulk capacitance at the board entry point. Keep the ICSP header (MCLR/PGD/PGC) routed short and accessible on production boards for field firmware updates of control laws without board respins.
Estimated: controller dissipation is modest - at typical ICC of tens of mA on a 5 V rail, power dissipation stays well under 0.25 W, so the 28-SOIC needs no heatsinking for the DSC itself. The thermal concern sits with adjacent power components: keep the dsPIC30F1010 away from hot rectifiers and magnetics, because the -40C to +85C industrial ambient rating applies to the local ambient around the package, not the full product enclosure temperature.
For ADC accuracy in SMPS feedback paths, average multiple samples per switching cycle (oversample 4x or more) to reject switching ripple, and apply the datasheet-recommended ADC reference configuration. Avoid sampling feedback during PWM transitions by triggering the ADC from a timer offset relative to the PWM period; this synchronizes sampling to the quiet portion of the switching cycle and materially reduces measured output ripple in the control loop.
Compliance Information
Compliance data not present in provided verified web data. Modern Microchip dsPIC30F production units are typically RoHS-compliant, but confirm via the official Microchip product page environmental data before export documentation.
