High Current PN Half Bridge
BTS 7960
Block Description and Characteristics
4.4.5
Truth Table
Device State
Inputs
Outputs
Mode
INH
0
IN
X
0
HSS LSS IS
Normal operation
OFF OFF 0
Stand-by mode
LSS active
1
OFF ON
0
1
1
ON
ON
OFF CS
OFF 1
HSS active
Over-voltage (OV)
Under-voltage (UV)
X
X
Shut-down of LSS,
HSS activated,
error detected
X
0
X
X
OFF OFF 0
OFF OFF 0
UV lockout
Overtemperature or
short circuit of HSS or
LSS
Stand-by mode, reset
of latch
1
X
1
0
OFF OFF 1
Shut-down with latch,
error detected
Current limitation mode 1
1
OFF ON
1
Switched mode, error
detected
ON OFF 1
Switched mode, error
detected
Inputs:
Switches
Status Flag IS:
0 = Logic LOW
1 = Logic HIGH
X = 0 or 1
OFF = switched off
ON = switched on
CS = Current sense mode
1 = Logic HIGH (error)
Data Sheet
19
Rev. 1.1, 2004-12-07