SID1182K
Integrated gate driver IC with reinforced galvanic isolation...
Product Overview
Description
Integrated gate driver IC with reinforced galvanic isolation
Product Series
SID11x2K™ SCALE-iDriver
Primary Application
IGBT/MOSFET Gate Drive for Motor Drives and Power Supplies up to 15kW
Key Features
- High efficiency and reliability
- Optimized for industrial applications
- Comprehensive technical support
- Available from stock
Specifications
| Part Number | SID1182K |
|---|---|
| Channels | 1 |
| Peak Current | 8A |
| Voltage | 1200V |
| Package | eSOP-R16B |
| Isolation Voltage | 3750VAC (1 minute) |
| Stock | In Stock - 2000+ units available |
| Lead Time | Same day shipping |
| Long Description | The Semikron SID1182K is an integrated gate driver IC from Semikron's SCALE-iDriver family, featuring reinforced galvanic isolation and comprehensive protection functions in a compact eSOP-R16B package. This single-channel gate driver delivers 8A peak output current, suitable for driving IGBTs and MOSFETs up to 80A in motor drive and power supply applications. Key features include SCALE-iDriver technology with integrated transformer for galvanic isolation, advanced protection functions (overcurrent detection via Vce monitoring, undervoltage lockout, active Miller clamp), fault reporting via dedicated pin, compact footprint (10.3mm x 10.3mm), and high power density. The gate driver operates from a single +15V/-8V supply and accepts PWM input signals compatible with 3.3V/5V microcontrollers. Typical applications include three-phase motor drives up to 15kW, single-phase solar inverters, switching power supplies, UPS systems, and industrial automation equipment. The SID1182K is manufactured under IATF 16949 quality standards with 100% testing including isolation verification, output current capability, and protection function validation. |
| Features | Integrated gate driver with isolation,8A peak output current,SCALE-iDriver technology,Overcurrent detection (Vce monitoring),Undervoltage lockout (UVLO),Active Miller clamp for false turn-on prevention,Fault reporting output,Compact eSOP-R16B package,3750VAC reinforced isolation,AEC-Q100 automotive qualified |
| Alternatives | SID1152K (5A version),SID1181K (10A version),SID1102K (15A version) |
| Matching Products | IGBT modules up to 80A,MOSFETs up to 100A,Gate resistors,Isolated DC-DC converters |
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| Seo Title | Semikron SID1182K Gate Driver IC | 8A | SCALE-iDriver | LiTong |
| Seo Description | SID1182K - Semikron SCALE-iDriver IC, 8A peak, 3750VAC isolation. For motor drives, power supplies. In stock. Contact: +86 15013702378 |
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Applications
Motor Drives
Variable frequency drives and servo motor controls
Power Supplies
SMPS, UPS, and industrial power systems
Renewable Energy
Solar inverters and wind turbine converters
EV Charging
Electric vehicle charging stations
FAE Expert Insights
"SID1182K iswe Powerapply Driver IC. advantageisIntegration high, will , Driver andprotection functionality Integrationin package , PCB . 8A outputCurrentcanDriver 80A IGBT and MOSFET. I particularly likeits Active Miller Clamp function, canhave preventinhigh dV/dt apply . For 5-15kW Design, such as , Driverwait, excellent cost-performance ratio."
Design wantselect, Integration high, 8A output, Active Miller Clamp
— 孙涛, LiTong Electronics
Frequently Asked Questions
What applications is the SID1182K best suited for?
The SID1182K is optimized for compact power electronics applications: Small Motor Drives - Three-phase inverters up to 15kW, HVAC systems, appliance motor controls
Power Supplies - SMPS, DC-DC converters, server power supplies
Solar Inverters - Single-phase string inverters up to 5kW
UPS Systems - Small uninterruptible power supplies
Industrial Automation - Compact servo drives, conveyor systems. Key application requirements: IGBT/MOSFET gate charge up to 1000nC, switching frequency up to 50kHz, compact PCB space constraints, 3.3V/5V microcontroller interface. The 8A peak current provides fast switching for IGBTs up to 80A or MOSFETs up to 100A.
This compact driver IC is ideal for space-constrained designs. Contact us for volume pricing and design support.
How does the Active Miller Clamp work in SID1182K?
Active Miller Clamp prevents false turn-on in high dV/dt applications: Problem - During fast switching of the complementary IGBT, high dV/dt creates displacement current through Miller capacitance (Cgc), potentially raising gate voltage above threshold
Solution - Active Miller Clamp provides low-impedance path to ground when gate voltage drops below threshold, shunting Miller current away from gate
Implementation - Internal circuit monitors gate voltage. When Vge < 2V during off-state, clamp activates with <1Ω impedance
Benefits - Eliminates need for negative gate voltage in many applications, reduces gate drive power, improves noise immunity
Applications - Essential for bridge configurations with high dV/dt (>10kV/μs), motor drives with long cables, high-frequency switching. The SID1182K's Active Miller Clamp is effective up to 50kV/μs dV/dt.
Active Miller Clamp is essential for high dV/dt applications. Contact us for design guidelines and application notes.
What is the recommended power supply for SID1182K?
SID1182K power supply requirements: Primary Side - 3.3V or 5V logic supply for PWM input (2-5mA typical)
Secondary Side - +15V/-8V gate drive supply (50-100mA typical, depending on switching frequency and gate charge)
Isolated DC-DC - Use isolated DC-DC converter with 3750V isolation rating. Recommended: Murata MGJ2 or similar
Decoupling - 10μF electrolytic + 0.1μF ceramic capacitors close to VCC2 and VEE2 pins
Supply Sequencing - No special sequencing required. UVLO ensures safe startup
Ripple Requirements - Keep supply ripple <5% for reliable operation. Higher ripple may cause false UVLO trips
Power Calculation - P = Qg × Vge × fsw + Pquiescent. For Qg=500nC, fsw=20kHz: P ≈ 0.2W + 0.1W = 0.3W. Our FAE team can recommend specific power supply solutions.
Proper power supply design is critical for reliable operation. Contact us for power supply recommendations and design guidelines.
How do I layout the PCB for SID1182K?
SID1182K PCB layout guidelines: Component Placement - Place driver as close as possible to IGBT/MOSFET gate (<20mm). Minimize gate loop area
Primary Side - Keep PWM traces short. Add 100Ω series resistor near microcontroller. Place 0.1μF decoupling capacitor near VCC1
Secondary Side - Place 10μF + 0.1μF capacitors close to VCC2 and VEE2. Connect to IGBT emitter/source with short, wide trace
Isolation Barrier - Maintain 8mm creepage/clearance between primary and secondary sides. No copper under the package in isolated region
Ground Planes - Use separate ground planes for primary and secondary. Connect at single point if required
Thermal - Use thermal vias under exposed pad to internal copper planes for heat dissipation. Our FAE team provides reference layouts and can review your design.
Proper PCB layout is essential for performance and safety. Contact our FAE team for reference designs and layout review.
What protection features does SID1182K include?
SID1182K comprehensive protection features: Overcurrent Detection - Vce monitoring with programmable threshold (6-9V typical). <2μs response time with soft turn-off
Undervoltage Lockout (UVLO) - Primary side: 2.5V threshold. Secondary side: 12V threshold for +15V supply
Active Miller Clamp - Prevents false turn-on during high dV/dt transients. Activates when Vge < 2V
Fault Reporting - Open-drain fault output to microcontroller. Active low during fault conditions
Soft Turn-Off - Gradual gate discharge during fault to prevent voltage spikes
Short-Circuit Protection - Integrated with overcurrent detection. Latches until reset. Protection Coordination - All protections are independent and can be monitored separately. Fault output provides system-level coordination. The combination of these features ensures robust protection in demanding applications.
Comprehensive protection makes SID1182K ideal for safety-critical applications. Contact us for protection configuration guidelines.