recision Power Solutions: SigmaMicro & RUNIC Voltage Regulators vs. Global Competitors
Engineered for Superior Performance, Reliability, and Cost Efficiency
SigmaMicro (圣邦微) and RUNIC (润石) voltage regulators deliver best-in-class power conversion solutions, outperforming industry benchmarks from TI, Analog Devices, and ON Semiconductor in critical parameters while offering significant supply chain advantages for high-volume applications.
| Series | Type | Key Specifications | Target Applications |
|---|---|---|---|
| SGM2205 | 500mA Ultra-LDO | 0.9μVRMS noise, 75dB PSRR @1kHz | RF/ADC power, Medical imaging |
| SGM61450 | 5A Buck Converter | 95% efficiency @2MHz, 4.5-36V input | Industrial automation, 5G BBU |
| SGM2036 | 300mA Nano-LDO | 1.8μA IQ, 1.2V dropout @150mA | IoT sensors, Wearables |
| Series | Type | Key Specifications | Target Applications |
|---|---|---|---|
| RS3236 | 500mA LDO | 2.5μVRMS noise, 70dB PSRR @1kHz | Automotive infotainment |
| RS7805 | 3A Linear Reg. | <1mV load reg., 40V load dump protection | Factory automation, Robotics |
| RS2601 | 2MHz Sync Buck | 92% efficiency @10μA load, 1.8-5.5V out | Smart meters, Edge AI |
| Parameter | SGM2205 (SigmaMicro) | TPS7A47 (TI) | LT3045 (ADI) | NCP176 (ON Semi) |
|---|---|---|---|---|
| Noise (μVRMS) | 0.9 (10Hz-100kHz) | 4.2 | 0.8 | 6.5 |
| PSRR (dB) | 75 @1kHz | 68 @1kHz | 79 @1kHz | 62 @1kHz |
| Dropout (mV) | 120 @200mA | 180 @200mA | 260 @200mA | 210 @200mA |
| Price (1k) | $0.42 | $0.85 | $1.20 | $0.52 |
*Key Advantage: SGM2205 combines TI-beating noise performance with ON Semi-competitive pricing.*
| Condition | SGM61450 (SigmaMicro) | TPS54360 (TI) | LT8640S (ADI) | NCP3235 (ON Semi) |
|---|---|---|---|---|
| 12V→3.3V @2A | 95% | 93% | 94% | 91% |
| Light Load | 88% @10mA | 82% @10mA | 85% @10mA | 80% @10mA |
| Switching Loss | 15ns transition | 25ns | 18ns | 30ns |
Design Impact: SGM61450 reduces thermal dissipation by 30% vs. TPS54360 in server PSU applications.
Active Noise Cancellation LDO
Patented feedforward architecture achieves <1μVRMS noise without external filters
Burst Mode™ Buck Converters
Maintains >85% efficiency at 10μA loads (competitors typically <75%)
3D Stacked PowerFETs
40% lower R<sub>DS(on)</sub> vs. planar MOSFETs in same footprint
Smart Current Limiting
Adaptive fold-back protection prevents thermal runaway
RUNIC RS7805-AEC:
AEC-Q100 Grade 1 qualified (-40°C to +125°C)
Integrated 40V load dump protection (saves $0.15 TVS diode)
SigmaMicro SGM61450:
2MHz switching enables tiny 0603 inductors
<1% output deviation during 10A load transients
SGM2205 Medical:
0.1μA shutdown current (extends battery life 3x vs. TPS7A47)
10μs startup time (meets defibrillator response requirements)
| Component | SigmaMicro Solution | TI Solution | ADI Solution |
|---|---|---|---|
| Regulator IC | SGM61300 ($0.65) | TPS54302 ($1.10) | LT8609 ($1.85) |
| Input Caps | 1×10μF | 2×10μF | 1×22μF |
| PCB Area | 50mm² | 85mm² | 70mm² |
| Total | $0.72 | $1.35 | $2.02 |
Production Impact: 47% BOM reduction in industrial PLC designs.
Zero Import Tariffs: Domestic manufacturing vs. 6-8% duties for imports
<72hr Sample Delivery: China-based inventory for fast prototyping
Pin-compatible Upgrades: Drop-in replacements for LM7805/AMS1117
SigmaMicro PowerArchitect™
Web-based tool for stability analysis & component selection
SPICE models compatible with Cadence/Altium
RUNIC EVAL Kits
USB-C programmable test boards with real-time telemetry
50+ reference designs (inc. PCIe Gen4 power solutions)
Value-Added Services:
✅ Schematic/layout review within 24hrs
✅ EMI pre-compliance testing reports
✅ Custom voltage sequencing development
✔ Performance Leadership: Best-in-class efficiency/noise parameters
✔ Supply Chain Security: Dual-source production with 99.7% on-time delivery
✔ Total Cost Advantage: 30-50% lower field failure rates (per CNAS data)
Contact Our FAE Team:
📞 +86 150 6077 8825
📧 Sales@icyi.com
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