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PDF BTS6144P Data sheet ( Hoja de datos )
| Número de pieza | BTS6144P | |
| Descripción | Smart Highside Power Switch | |
| Fabricantes | Infineon Technologies AG | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de BTS6144P (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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PROFET® Data sheet BTS 6144B/P
Smart Highside Power Switch
Reversave
• Reverse battery protection by self turn on of
power MOSFET
Features
• Short circuit protection with latch
• Current limitation
• Overload protection
• Thermal shutdown with restart
• Overvoltage protection (including load dump)
• Loss of ground protection
• Loss of Vbb protection (with external diode for
charged inductive loads)
• Very low standby current
• Fast demagnetization of inductive loads
• Electrostatic discharge (ESD) protection
• Optimized static electromagnetic compatibility
(EMC)
Product Summary
Operating voltage
On-state resistance
Nominal current
Load current (ISO)
Current limitation
Package
TO 220-7-180
1
SM D
7
Vbb(on)
RON
IL(nom)
IL(ISO)
IL12(SC)
5.5 ... 38 V
9 mΩ
9.5 A
37.5 A
90 A
TO 220-7-230
Diagnostic Function
• Proportional load current sense (with defined fault
signal in case of overload operation, overtemperature shutdown and/or short circuit shutdown)
Application
• Power switch with current sense diagnostic feedback for 12V and 24 V DC grounded loads
• All types of resistive, inductive and capacitive loads
• Replaces electromechanical relays, fuses and discrete circuits
General Description
N channel vertical power FET with charge pump, current controlled input and diagnostic feedback with load
current sense, integrated in Smart SIPMOS chip on chip technology. Providing embedded protective functions.
Voltage
source
Voltage
sensor
3 IN
ESD
Logic
Overvoltage
protection
Current
limit
Gate
protection
R bb
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Output
Voltage
detection
Current
Sense
4 & Tab
+ V bb
OUT 1, 2, 6, 7
IL
Load
I IN Temperature
sensor
VIN
VIS
Logic GND
I IS
IS
5
RIS
PROFET
Load GND
Infineon Technologies AG
Page 1 of 16
2003-Oct-01
1 page  
Data sheet BTS 6144B/P
Parameter and Conditions
at Tj= 25, Vbb = 12 V unless otherwise specified
Symbol
Protection Functions 12)
Short circuit current limit (pin 4, Tab to
pin 1,2,6,7) 13)
Short circuit current limit at VON = 6V 14)
Tj =-40°C:
Tj =25°C:
Tj =+150°C:
Short circuit current limit at VON = 12V
tm=170µs
Short circuit current limit at VON = 18V 14)
Tj =-40°C:
Tj =25°C:
Tj =+150°C:
Tj =-40°C:
Tj =25°C:
Tj =+150°C:
Short circuit current limit at VON = 24V
tm=170µs
Tj =-40°C:
Tj =25°C:
Tj =+150°C:
Short circuit current limit at VON = 36V 14)
Tj =-40°C:
Tj =25°C:
Tj =+150°C:
Short circuit shutdown detection voltage
Short circuit shutdown delay after input current
positive slope, VON > VON(SC), Tj = -40...+150°C
min. value valid only if input "off-signal" time exceeds 30 µs
Short circuit shutdown delay during on condition14)
VON > VON(SC)
Output clamp (inductive load switch off) 15)
at VOUT = Vbb - VON(CL) (e.g. overvoltage)
IL= 40 mA
Thermal overload trip temperature
Thermal hysteresis
IL6(SC)
IL12(SC)
IL18(SC)
IL24(SC)
IL36(SC)
VON(SC)
td(SC1)
td(SC2)
VON(CL)
Tjt
∆Tjt
Values
Unit
min typ max
-- 140 170
-- 130
--
90 120
--
-- 105 130
-- 95
--
55 85
--
-- 75 100
-- 70
--
45 65
--
-- 47 70
-- 46
--
28 45
--
-- 27 40
-- 27
--
15 27
--
2.5 3.5 4.5
A
A
A
A
A
V
350 650 1200 µs
-- 2
39 42
150 175
-- 10
-- µs
-- V
-- °C
-- K
12) Integrated protection functions are designed to prevent IC destruction under fault conditions described in the
data sheet. Fault conditions are considered as "outside" normal operating range. Protection functions are
not designed for continuous repetitive operation.
13) Short circuit current limit for max. duration of td(SC1) , prior to shutdown, see also figures 3.x on page 13.
14) not subject to production test, specified by design
15) See also figure 2b on page 12.
Infineon Technologies AG
Page 5 of 16
2003-Oct-01
5 Page 
Data sheet BTS 6144B/P
Short circuit detection
Fault Condition: VON > VON(SC) (3.5 V typ.) and t> td(SC)
(typ.650 µs).
Overload detection
Fault Condition: VON > 1 V typ.
+ Vbb
VO N
Logic
unit
detection
circuit
OUT
Short circuit
Short circuit is a combination of primary and
secondary impedance’s and a resistance’s.
5uH
10mOhm
I IN
V bb
V bb
OUT
IN PROFET
IS
SC
L SC
RSC
ZL
Inductive load switch-off energy
dissipation
E bb
E AS
V bb
V bb
IN PROFET OUT
i L(t)
{IS L
I IN RIS Z L RL
ELoad
EL
ER
Energy stored in load inductance:
EL = 1/2·L·I2L
While demagnetizing load inductance, the energy
dissipated in PROFET is
EAS= Ebb + EL - ER= VON(CL)·iL(t) dt,
with an approximate solution for RL > 0 Ω:
EAS= 2IL·R· LL(Vbb + |VOUT(CL)|)
ln
(1+
IL·RL
|VOUT(CL)|
)
Maximum allowable load inductance for
a single switch off
L = f (IL ); Tj,start = 150°C, Vbb = 12 V, RL = 0 Ω
1000
L [m H]
Allowable combinations of minimum, secondary
resistance for full protection at given secondary
inductance and supply voltage for single short circuit
event:
[uH]
15
L
SC
V bb
:
16V18V 24V
30V
100
10
10 1
5
0
0
RSC
100 200 300 [mOhm]
0,1
0,01
1
10 I_L [A] 100
Infineon Technologies AG
11 of 16
2003-Oct-01
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet BTS6144P.PDF ] | |
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