BTS5231GS Infineon Technologies, BTS5231GS Datasheet - Page 19

• Manufacturer Part Number: BTS5231GS
• Description: IC HIGH SIDE PWR SWITCH PDSO-14
• Manufacturer: Infineon Technologies
• Series: PROFET®r
• Type: High Sider

Specifications of BTS5231GS

• Input Type: Non-Inverting
• Number Of Outputs: 2
• On-state Resistance: 140 mOhm
• Current - Output / Channel: 1.8A
• Current - Peak Output: 10A
• Voltage - Supply: 4.5 V ~ 28 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: DSO-14
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: BTS5231GST; SP000203741

Table 1
Operation Mode
Normal Operation (ON)
Current Limitation
Short Circuit to GND
Over-Temperature
Short Circuit to
Open Load
1) L = Low Level, H = High Level, Z = high impedance, potential depends on leakage currents and external circuit
4.3.1
The standard diagnosis signal is a current sense signal proportional to the load current.
The accuracy of the ratio (
Figure 14
recommended to use sense resistors
Figure 14
1) The curves show the behavior based on characterization data. The marked points are guaranteed in this Data
Data Sheet
Sheet in
4000
3500
3000
2500
2000
1500
1000
500
Section 4.3.4
for details. Usually a resistor
ON-State Diagnosis
0
Truth Table (cont’d)
Current Sense Ratio
V
bb
(Position 4.3.6).
0.5
Input
Level
k
(ON-State)
ILIS
=
H
I
1)
L
/
k
I
R
1
ILIS
IS
IS
) depends on the temperature. Please refer to
R
1)
> 500 Ω. A typical value is 4.7 kΩ
Output Level
IS
19
is connected to the current sense pin. It is
~GND
<
I
~
L
V
V
V
/A
V
Z
bb
bb
bb
bb
Smart High-Side Power Switch
1.5
V
V
V
I
I
IS
IS
IS
IS
IS
SEN = H
=
<
=
=
=
Diagnostic Output
I
I
V
V
V
Z
L
L
2
IS(fault)
IS(fault)
IS(fault)
/
/
k
k
T
ILIS
ILIS
T
j
j
= 150°C
= -40°C
dummy
dummy
V1.0, 2005-12-19
BTS 5231GS
SEN = L
Diagnosis
2.5
Z
Z
Z
Z
Z
Z