Datasheet SID11x2KQ SCALE-iDriver Family (Power Integrations) - 5

HerstellerPower Integrations
BeschreibungUp to 8 A Single Channel IGBT/MOSFET Gate Driver for Automotive Applications Providing Reinforced Galvanic Isolation up to 1200 V Blocking Voltage
Seiten / Seite22 / 5 — SID11x2KQ. SCALE-iDriver. VCE. VGXX. VISO. VEE. COM. Advanced Soft Shut …
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SID11x2KQ. SCALE-iDriver. VCE. VGXX. VISO. VEE. COM. Advanced Soft Shut Down (ASSD). VGE. IGE. ICE

SID11x2KQ SCALE-iDriver VCE VGXX VISO VEE COM Advanced Soft Shut Down (ASSD) VGE IGE ICE

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SID11x2KQ SCALE-iDriver
V RVCE DVCE
VCE
V
VGXX
CE (IGBT) Signal C R RES RES CGXX Fault
VISO
VDES DSTO R
GH
GON Collector VCE SAT Gate RGINT tRES t RGOFF
GL
Emitter
VEE
VCE Pin Signal
COM
COM PI-7951-080416 PI-7671-093016 Figure 10. Short-Circuit Protection Using Rectifier Diode D . VCE Figure 11. Short-Circuit Protection Using Resistors Chain R . VCEX
Advanced Soft Shut Down (ASSD)
to a safe value. At the end of period P1, V is reduced during t . GE FSSD1 This function is activated when a short-circuit is detected. It protects Due to col ector current decrease a small V overvoltage is seen. CE the power semiconductor switch against destruction by ending the During t V is further reduced and the gate of the power FSSD1 GE turn-on state and limiting the current slope in order to keep momen- semiconductor switch is further discharged. During t additional FSSD2 tary V overvoltages below V . This function is particularly suited to smal V overvoltage events may occur. Once V drops below the CE CES CE GE IGBT applications. Figure 12 shows how the ASSD function operates. gate threshold of the IGBT, the col ector current has decayed almost to The V desaturation is visible during time period P1 (yel ow line). zero and the remaining gate charge is removed ‒ ending the short- CE During this time, the gate-emitter voltage (green line) is kept very circuit event. The whole short-circuit current detection and safe stable. Col ector current (pink line) is also well stabilized and limited switch-off is lower than 10 µs (8 µs in this example).
VGE
tFSSD1
IGE VCE ICE
tFSSD2 P1 Figure 12. Advanced Soft Shut Down Function.
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Rev. C 09/19 www.power.com Document Outline Product Highlights Description Scale-iDriver − Product Portfolio Pin Functional Description SCALE-iDriver Functional Description Application Examples and Components Selection Power Dissipation and IC Junction Temperature Estimation Absolute Maximum Ratings Thermal Resistance Key Electrical Characteristics Typical Performance Characteristics eSOP-R16B (K Package) MSL Table ESD and Latch-Up Table IEC 60664-1 Rating Table Electrical Characteristics (EMI) Table Regulatory Information Table Part Ordering Information