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Si8286 Datasheet Preview

Si8286 Datasheet

SiC FET-Ready ISODrivers

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Si8285/86 Data Sheet
SiC FET-Ready ISODrivers with System Safety Features
The Si828x (Si8285 and Si8286) are isolated, high current gate drivers with integrated sys-
tem safety and feedback functions. The devices are ideal for driving Silicon Carbide (SiC)
FETs, power MOSFETs, and IGBTs used in a wide variety of inverter and motor control
applications. The Si8285 and Si8286 isolated gate drivers utilize Silicon Labs' proprietary
silicon isolation technology, supporting up to 5.0 kVrms withstand voltage per UL1577. This
technology enables higher performance, reduced variation with temperature and age, tighter
part-to-part matching, and superior common-mode rejection compared to other isolated gate
driver technologies.
The input to the device is a complementary digital input that can be utilized in several configu-
rations. The input side of the isolation also has several control and feedback digital signals.
The controller to the device receives information about the driver side power state (Si8285)
and fault state of the device and recovers the device from fault through an active-low reset pin.
On the output side, the Si8285 provides separate pull-up and pull-down pins for the gate.
The Si8286 has a single pin for both functions. A dedicated DSAT pin detects a desaturation
condition and immediately shuts down the driver in a controlled manner using soft shutdown.
The Si8285 device also integrates a Miller clamp to assure a strong turn-off of the power
switch.
Automotive Grade is available. These products are built using automotive-specific flows at all
steps in the manufacturing process to ensure the robustness and low defectivity required for
automotive applications.
Industrial Applications
• SiC/IGBT/ MOSFET gate drives
• Industrial and renewable energy inverters
• AC, Brushless, and DC motor controls
• Variable-speed motor controllers
• Isolated switch mode power supplies
Automotive Applications
• Hybrid electric and electric vehicles
• Traction inverters
• On-board chargers
• Inductive chargers
• DC-DC converters
Safety Regulatory Approvals
• UL 1577 recognized: 5000 VRMS for 1 minute
• CSA approval: IEC 62368-1 (reinforced insulation)
• VDE certification: IEC 60747-17 (basic, pending), 62368-1 (reinforced insulation)
• CQC certification approval: GB4943.1-2011 (reinforced insulation)
KEY FEATURES
• System Safety Features
• DESAT detection
• FAULT feedback
• Undervoltage Lock Out (UVLO)
including 13 and 15 V for SiC
FET
• Soft shutdown on fault condition
• Ultra-fast short circuit protection
<< 1 µs
• Robust reference design
for current boost, DESAT
adjustment, soft shutdown tuning,
and external Miller clamp
transistor
• High-performance isolation
technology
• High CMTI 125 kV/µs
• 30 V driver-side supply voltage
• Integrated Miller clamp (Si8285
only)
• Power ready pin (Si8285 only)
• Complementary driver control input
• Si8286 pin-out compatible with
HCPL-316J
• Compact package: 16-pin wide-
body SOIC
• Automotive-grade OPNs available
• PPAP documentation support
• IMDS and CAMDS listing support
• AEC-Q100 Qualified
• Temp range: –40 to 125 °C
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
1
Rev. 2.0 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2021
1




Skyworks

Si8286 Datasheet Preview

Si8286 Datasheet

SiC FET-Ready ISODrivers

No Preview Available !

Table of Contents
1. Si8285/86 Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Isolation Channel Description . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Device Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3. Applications Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.1 Recommended Application Circuits . . . . . . . . . . . . . . . . . . . . . . . 7
3.1.1 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1.2 Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1.3 Reset, RDY, and Fault . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1.4 Desaturation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1.5 Driver Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.1.6 Miller Clamp (Si8285 Only) . . . . . . . . . . . . . . . . . . . . . . . .11
3.1.7 Additional Adjustments for the Si8285 and Si8286 . . . . . . . . . . . . . . . .11
3.2 Layout Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 Timing Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.2 Typical Operating Characteristics . . . . . . . . . . . . . . . . . . . . . . . .17
4.3 Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . .20
5. Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6. Packaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.1 Package Outline: 16-Pin Wide Body SOIC. . . . . . . . . . . . . . . . . . . . .24
6.2 Land Pattern: 16-Pin Wide Body SOIC . . . . . . . . . . . . . . . . . . . . . .26
6.3 Top Marking: 16-Pin Wide Body SOIC . . . . . . . . . . . . . . . . . . . . . .27
7. Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
2
Rev. 2.0 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2021
2


Part Number Si8286
Description SiC FET-Ready ISODrivers
Maker Skyworks
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Si8286 Datasheet PDF






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