BSP742R Infineon Technologies, BSP742R Datasheet - Page 9

• Manufacturer Part Number: BSP742R
• Description: IC HIGH SIDE SWITCH SMART PDSO-8
• Manufacturer: Infineon Technologies
• Series: miniPROFET®r
• Type: High Sider

Specifications of BSP742R

• Input Type: Non-Inverting
• Number Of Outputs: 1
• On-state Resistance: 250 mOhm
• Current - Output / Channel: 400mA
• Current - Peak Output: 1.2A
• Voltage - Supply: 5 V ~ 34 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: DSO-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: BSP742R; BSP742RNT; BSP742RT; BSP742RTR; BSP742RXT; SP000012105; SP000272115

V
Open-load detection
OFF-state diagnostic condition:
V
GND disconnect
GND disconnect with GND pull up
V
bb
Logic
bb
OUT
unit
OFF
V
IN
> 3V typ.; IN=low
V
V
ST
IN
V
ST
Open load
detection
IN
ST
IN
ST
PROFET
Signal GND
GND
PROFET
V
I
bb
GND
L(OL)
V
V
bb
GND
V
GND
OUT
OUT
V
OUT
Page 9
E
V bb disconnect with charged inductive
load
Inductive Load switch-off energy
dissipation
Energy stored in load inductance: E
While demagnetizing load inductance,
E
with an approximate solution for R
V
the enérgy dissipated in PROFET is
=
AS
bb
A S
= E
high
E
2
I
bb
L
bb
*
*
R
+ E
L
L
* (
L
IN
ST
- E
IN
ST
V
b b
R
PROFET
= V
|
GND
PROFET
V
V
GND
bb
O U T C L
V
ON(CL)
bb
(
OUT
)|
) * ln (
* i
OUT
L
E AS
L
L
> 0 :
Z
(t) dt,
= ½ * L * I
L
{
2004-03-16
R
1
L
L
BSP 742 R
|
V
I
E
L
O U T C L
E
E Load
L
R
*
2
L
R
(
L
)
|
)