Q67007-A9553 View Datasheet(PDF) - Infineon Technologies
Part Name
Description
Manufacturer
Q67007-A9553 Datasheet PDF : 16 Pages
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BTS 7751 G
Open Load Detection
Open load is detected by voltage measurement in Off state. If the output voltage exceeds
a specified level the error flag is set with a delay.
Status Flag
The status flag output is an open drain output with Zener-diode which requires a pull-up
resistor, c.f. the application circuit on page 14. Various errors as listed in the table
“Diagnosis” are detected by switching the open drain output ST to low. Forward current
in the integrated body diode of the high-side switch may cause undefined voltage levels
at the corresponding status output. The open load detection can be used to detect a
short to Vs as long as both low-side switches are off and ROL is disconnected from 5V
by BCR192W.
2
Truth table and Diagnosis (valid only for the High-Side-Switches)
Flag
IH1 IH2 SH1 SH2 ST Remarks
Inputs
Outputs
Normal operation;
identical with functional truth table
0
0
L
L
1 stand-by mode
0
1
L
H
1 switch2 active
1
0
H
L
1 switch1 active
1
1
H
H
1 both switches
active
Open load at high-side switch 1
Open load at high-side switch 2
0
X
Z
X
0 detected
1
X
H
X
1
X
0
X
Z
0 detected
X
1
X
H
1
Overtemperature high-side switch1
0
X
L
X
1
1
X
L
X
0 detected
Overtemperature high-side switch2
X
0
X
L
1
X
1
X
L
0 detected
Overtemperature both high-side switches 0
0
L
L
1
X
1
L
L
0 detected
1
X
L
L
0 detected
Under voltage
X
X
L
L
1 not detected
Inputs:
0 = Logic LOW
1 = Logic HIGH
X = don’t care
Data Sheet
Outputs:
Z = Output in tristate condition
L = Output in sink condition
H = Output in source condition
X = Voltage level undefined
6
Status:
1 = No error
0 = Error
2003-03-06
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