TLE6281G Datasheet, PDF (1/15 Pages) Infineon Technologies AG – H-Bridge Driver IC

Data Sheet TLE 6281G
H-Bridge Driver IC
Features
Product Summary
• _{Compatible to very low ohmic normal Turn on current}
level input N-Channel MOSFETs
• _{PWM – DIR - Interface}
• _{PWM frequency up to 50kHz}
• _{Operates down to 7.5V}
supply voltage
Turn off current
Supply voltage range
Gate Voltage
Temperature range
• _{Low EMC sensitivity and emission}
• _{Adjustable dead time with shoot through protection}
• Deactivation of dead time and shoot through protection possible
• _{Short circuit protection for each Mosfet}
• _{Driver undervoltage shut down}
• _{Reverse polarity protection for the driver IC}
• _{Fast disable function / Inhibit for low quiescent current}
• _{Input with TTL characteristics}
• _{2 bit diagnosis}
• _{Thermal overload warning for driver IC}
• _{Shoot through protection}
• _{Integrated bootstrap diodes}
IGxx(on)
IGxx(off)
VVs
VGS
TJ
850 mA
580 mA
7.5 … 60
V
10
V
-40...+150 °C
P-DSO-20
Application
• _{Dedicated for DC-brush high current motor bridges in PWM control mode for 12, 24 and 42V powernet applica-}
tions.
• _{The input structure allows an easy control of a DC-brush motor}
General Description
H-bridge driver IC for MOSFET power stages with multiple protection functions
V_S
GND
INH
Linear
Regulator
INH
PWM
DIR
DT/DIS
HS1
Input control LS1
HS2
Dead time _LS2
Block Diagram
Charge
Pump
Level
Undervoltage
ER1
Short circuit
ER2
Detect.
Undervoltage HSx
OR
Undervoltage LSx
Short Circuit Detection
Shift
Overtemp. warning
T_j > 170^oC typ.
Floating HS Driver 1
+
V_GS limitation HS1
+
Short circuit
detect.
SCD
+
Undervoltage
Floating HS Driver 2
+
V_GS limitation HS2
+
Short circuit
detect.
SCD
+
Undervoltage
Floating LS Driver 1
+
V_GS limitation LS1
+
Short circuit
detect.
SCD
+
Undervoltage
Floating LS Driver 2
+
V_GS limitation LS2
+
Short circuit
detect.
SCD
+
Undervoltage
BH1
BH2
DH1
GH1
SH1
DH2
GH2
SH2
GL1
SL1
GL2
SL2
Data Sheet
1
Rev 2.2 2006-01-30