May 2nd, 2014
Automotive Grade
AUIRS20302S
Pre-regulated Three Phase Gate Driver
Product Summary
Features
Topology
3-phase gate driver
200 V
• 3 phase gate driver for 24V & higher drives
• Under-voltage lockout for all channels
• Cross-conduction prevention logic
• High voltage pre-regulator MOSFET
• Power-on reset architecture
• FAULT detection and Reset
• Current sense comparator
• Over-current blanking time
• 3.3V logic compatible
VOFFSET
VOUT
8.0 V – 17 V
0.20 A & 0.35 A
530 ns / 530 ns
0.7 us
Io+ & I o- (typical)
tON & tOFF (typical)
Deadtime (typical)
• Matched propagation delay for all channels
• Fully operational up to +200V
• Floating channels for bootstrap operation
• High negative transients immunity
• Pre-regulated supply line for uP
• Automotive qualified
Package
• Leadfree, RoSH Compliant
Typical Applications
SOIC 28WB
24V to 150V – 3 Phase Motor Drives
Automotive & Truck HVAC, PUMP
BLDC Motor Drives
Typical Connection Diagram
+ Bat
Vb1
Vb2
Vb3
VCP
Ho1
Ho2
Ho3
Vs1
Vs2
Vs3
VPR
5V Reg
AUIRS20302S
Flt
Frst
EN
Lo1
Lo2
Lo3
Hin3
ASIC
or uP
Lin3
Hin2
Lin2
Hin1
Lin1
Vss
Com
Can
Cap
V
W
U
Ref
- Bat
1
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May 28, 2014