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PDF BTS430K2 Data sheet ( Hoja de datos )
| Número de pieza | BTS430K2 | |
| Descripción | Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation) | |
| Fabricantes | Siemens Semiconductor Group | |
| Logotipo |  |
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PROFET® BTS 430 K2
Smart Highside Power Switch
Features
Product Summary
• Clamp of negative voltage at output
• Short-circuit protection
• Current limitation
• Thermal shutdown
• Diagnostic feedback
• Open load detection in ON-state
• CMOS compatible input
Vbb-VOUT Avalanche Clamp
50
Vbb (operation)
4.5 ... 32
Vbb (reverse)
-32
RON
38
IL(lim)
36
IL(ISO)
11
• Electrostatic Discharge (ESD) protection
• Loss of ground and loss of Vbb protection1)
• Reverse battery protection
• Undervoltage and overvoltage shutdown with auto-restart and hysteresis
V
V
V
mΩ
A
A
Application
• µC compatible power switch with diagnostic feedback
for 12 V and 24 V DC grounded loads
• All types of resistive, inductive and capacitve loads
• Replaces electromechanical relays and discrete circuits
5
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic fault
feedback, integrated in Smart SIPMOS® chip on chip technology. Fully protected by embedded protection
functions.
2 IN
Voltage
source
V Logic
Voltage
sensor
ESD
4 ST
Logic
Overvoltage Current
Gate
protection
limit protection
R bb
+ Vbb 3
Charge pump
Level shifter
Rectifier
Limit for
unclamped
ind. loads
Open circuit
detection
OUT
Temperature
sensor
5
Load
Short circuit
detection
GND
1
Signal GND
PROFET®
Load GND
1) Additional external diode required for charged inductive loads
Semiconductor Group
1
04.96
1 page  
Parameter and Conditions
at Tj = 25 °C, Vbb = 12 V unless otherwise specified
Symbol
Input and Status Feedback6)
Input resistance
see circuit page 6
Input turn-on threshold voltage
Tj =-40..+150°C:
Input turn-off threshold voltage
Tj =-40..+150°C:
Input threshold hysteresis
Off state input current (pin 2)
On state input current (pin 2)
Status valid after input slope
(short circuit)
VIN = 0.4 V:
VIN = 3.5 V:
Tj=-40 ... +150°C:
Status valid after input slope Tj=-40 ... +150°C:
(open load)
Status output (open drain)
Zener limit voltage Tj =-40...+150°C, IST = +1.6 mA:
ST low voltage Tj =-40...+150°C, IST = +1.6 mA:
Status voltage while Vbb <2.4 V Tj=25 ... +150°C:
IST = 500 µA
Tj=40°C:
RI
VIN(T+)
VIN(T-)
∆ VIN(T)
IIN(off)
IIN(on)
td(ST SC)
td(ST)
VST(high)
VST(low)
VST
BTS 430 K2
Values
Unit
min typ max
-- 10
-- kΩ
1.5 -- 2.4 V
1.0 -- -- V
-- 0.5
-- V
1 -- 30 µA
10 25 50
80 200 400 µs
350 -- 1600 µs
5.4 6.1 6.9
-- -- 0.4
-- -- 1.0
1.2
V
V
6) If a ground resistor RGND is used, add the voltage drop across this resistor. Internal Z-diode typ. 6.1 V, see
maximum ratings page 2, circuit page 7
Semiconductor Group
5
5 Page 
Figure 3b: Short circuit while on:
IN
ST
V
OUT
I
L
*) error signal latched until next turn on
Figure 4a: Overtemperature:
Reset if Tj <Tjt
IN
ST
V
OUT
T
J
BTS 430 K2
Figure 5a: Open load: detection in ON-state, turn
on/off to open load
IN
t
ST d(ST)
*)
V
OUT
I
L
t
open
t
Figure 5b: Open load: detection in ON-state, open
load occurs in on-state
IN
td(ST OL1)
ST
td(OL ST2)
V
OUT
I normal
L
open
normal
t
td(ST OL1) = tbd µs typ., td(ST OL2) = tbd µs typ
t
Semiconductor Group
11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet BTS430K2.PDF ] | |
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