SKHI22B/17
Dual-channel IGBT gate driver for high-voltage inverter applications...
Product Overview
Description
Dual-channel IGBT gate driver for high-voltage inverter applications
Product Series
SKHI™
Primary Application
IGBT Gate Drive for High Voltage Inverters up to 110kW
Key Features
- High efficiency and reliability
- Optimized for industrial applications
- Comprehensive technical support
- Available from stock
Specifications
| Part Number | SKHI22B/17 |
|---|---|
| Channels | 2 |
| Peak Current | 17A |
| Voltage | 1700V |
| Package | Module (45mm x 60mm) |
| Isolation Voltage | 4000VAC (1 minute) |
| Stock | In Stock - 300+ units available |
| Lead Time | Same day shipping |
| Long Description | The Semikron SKHI22B/17 is a dual-channel IGBT gate driver from Semikron, specifically designed for high-voltage inverter applications up to 1700V IGBT modules. This gate driver features two independent isolated channels with 17A peak output current, suitable for driving IGBT modules with gate charge up to 1500nC. Key features include overcurrent protection with soft turn-off, undervoltage lockout, status feedback for each channel, high noise immunity, and galvanic isolation (4000VAC for 1 minute). The gate driver accepts PWM input signals compatible with 3.3V/5V microcontrollers and operates from a single +15V/-8V gate drive supply. The compact module package (45mm x 60mm) includes integrated gate resistors for simplified design. Typical applications include three-phase motor drives up to 110kW, solar inverters up to 50kW, wind power converters, UPS systems, and active front-end rectifiers. The SKHI22B/17 is manufactured under IATF 16949 quality standards with 100% production testing. |
| Features | Dual-channel isolated gate drive,17A peak output current,Overcurrent protection with soft turn-off,Undervoltage lockout (UVLO),Status feedback outputs,High noise immunity,4000VAC galvanic isolation,Integrated gate resistors,Compact module package,IATF 16949 quality certification |
| Alternatives | SKHI10/12 (10A, 1200V),SKHI22A/17 (17A, 1700V),SKYPER32PRO (23A version) |
| Matching Products | SKM100GB17T4 (1700V IGBT),SKM150GB17T4 (1700V IGBT),DC link capacitors,Gate drive transformers |
| Technical Specs | [object Object] |
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| Seo Title | Semikron SKHI22B/17 Gate Driver | 17A 1700V | High Voltage | LiTong |
| Seo Description | SKHI22B/17 - Semikron dual-channel gate driver, 17A peak, 1700V. For high-voltage inverters. In stock. Contact: +86 15013702378 |
| Fae Review | [object Object] |
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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
"SKHI22B/17 iswe 1700V high apply Driver . Driver forhigh IGBT moduleDesign, 4000VAC Voltagecanprovide safety . 17A outputCurrentcanDriver 1700V module, from 100A to 200A can . I particularly likeitsStatusfeedbackfunction, can Monitoring workStatus. For 690V apply, waithigh , Driver excellent cost-performance ratio."
1700V high apply , 4000VAC , Statusfeedbackfunction
— 周明, LiTong Electronics
Frequently Asked Questions
What makes SKHI22B/17 suitable for 1700V applications?
SKHI22B/17 is specifically designed for high-voltage IGBT modules: Isolation Rating - 4000VAC for 1 minute provides adequate margin for 1700V IGBTs operating at 1000V+ DC bus
Creepage/Clearance - Package design ensures sufficient distances between high-voltage and low-voltage circuits
Noise Immunity - High common-mode transient immunity (>50kV/μs) prevents false triggering in high dV/dt environments
Voltage Derating - Designed with safety margins for continuous 1700V operation including voltage spikes
Protection Features - Overcurrent protection configured for higher voltage IGBT characteristics. The driver's robust isolation and noise immunity make it ideal for 690VAC grid applications, wind power converters, and high-voltage motor drives where 1700V IGBTs are required.
SKHI22B/17 is optimized for 1700V IGBT applications. Contact us for high-voltage design guidelines.
How does SKHI22B/17 compare to SKYPER32PRO?
SKHI22B/17 and SKYPER32PRO serve different application needs: Output Current - SKHI22B/17: 17A, SKYPER32PRO: 23A. SKYPER has higher drive capability
Protection Features - SKYPER32PRO has more comprehensive protection (desaturation detection, soft shutdown, fault reporting). SKHI has basic overcurrent and UVLO
Isolation - Both offer 4000VAC isolation. SKYPER has reinforced isolation certification
Package Size - SKHI22B/17: 45mm x 60mm, SKYPER32PRO: 50mm x 70mm. SKHI is more compact
Cost - SKHI22B/17 is cost-optimized for standard applications. SKYPER32PRO is premium for high-reliability
Applications - SKHI for standard 1700V drives where cost matters. SKYPER for high-reliability applications requiring advanced protection. Both are excellent choices depending on application requirements.
Choose SKHI22B/17 for cost-sensitive 1700V applications or SKYPER32PRO for high-reliability designs. Contact us for selection guidance.
What is the status feedback feature in SKHI22B/17?
SKHI22B/17 status feedback provides real-time monitoring: Channel Status - Independent status outputs for each channel indicate normal operation or fault condition
Fault Types - Status indicates UVLO (undervoltage), overcurrent, or thermal conditions
Interface - Open-drain outputs compatible with 3.3V/5V logic. Pull-up resistors (10kΩ) required
Monitoring - Microcontroller can poll status pins or use interrupts for fault detection
Response Time - Status updates within 1μs of fault detection
Recovery - Status clears automatically when fault condition resolves (except latch faults)
System Integration - Use status signals for system-level protection coordination, fault logging, or user notification. This feature enables predictive maintenance and improves system reliability by providing early warning of potential issues.
Status feedback enables advanced system monitoring. Contact us for interface design guidelines and software examples.
How do I configure SKHI22B/17 for my 1700V IGBT?
SKHI22B/17 configuration for 1700V IGBTs: Gate Resistors - Integrated 2.2Ω resistors. Add external resistors in series if slower switching needed. Typical total: 3.3-5.6Ω for 1700V IGBTs
Supply Voltage - Use +15V/-8V for optimal switching. Ensure <5% ripple to prevent UVLO trips
Overcurrent Threshold - Set desaturation threshold to 6-9V using external resistor divider. Higher threshold for 1700V IGBTs with higher Vce(sat)
Dead Time - External dead time generation required. Use 2-5μs for 1700V IGBTs to prevent shoot-through
Layout - Maintain 8mm creepage/clearance. Keep gate traces short (<30mm) for each channel
Testing - Verify switching waveforms with oscilloscope. Check for clean transitions without excessive ringing. Our FAE team can provide detailed configuration guidelines for specific 1700V IGBT modules.
Proper configuration is critical for 1700V applications. Contact our FAE team for module-specific setup guidelines.
What are typical applications for SKHI22B/17?
SKHI22B/17 is designed for high-voltage power conversion applications: 690VAC Motor Drives - Three-phase inverters for industrial motors up to 110kW on 690V grids
Wind Power Converters - Turbine converters and pitch control systems using 1700V IGBTs
High-Voltage Solar - Commercial string inverters for 1000V DC systems
UPS Systems - Large uninterruptible power supplies with 1700V battery configurations
Active Front Ends - Regenerative drives and grid-tied converters
Traction Drives - Electric vehicle and rail traction applications. Key requirements matching this driver: 1700V IGBT modules, 17A gate drive capability, 4000V isolation, cost-sensitive designs. The driver's compact size and integrated features make it ideal for space-constrained high-voltage equipment.
SKHI22B/17 is ideal for 1700V applications up to 110kW. Contact us for application-specific design support.