BTS432I2 Siemens Semiconductor Group, BTS432I2 Datasheet

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BTS432I2

Manufacturer Part Number
BTS432I2
Description
Smart Highside Power Switch (Clamp of negative voltage at output Short-circuit protection Current limitation Thermal shutdown)
Manufacturer
Siemens Semiconductor Group
Datasheet
Smart Highside Power Switch
Features
Application
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic
feedback, integrated in Smart SIPMOS
functions.
1)
2)
Semiconductor Group
Load dump and reverse battery protection
Clamp of negative voltage at output
Short-circuit protection
Current limitation
Thermal shutdown
Diagnostic feedback
Open load detection in OFF-state
CMOS compatible input
Electrostatic discharge (ESD) protection
Loss of ground and loss of V
Overvoltage protection
Undervoltage and overvoltage shutdown with auto-restart and hysteresis
for 12 V and 24 V DC grounded loads
All types of resistive, inductive and capacitve loads
Replaces electromechanical relays and discrete circuits
C compatible power switch with diagnostic feedback
No external components required, reverse load current limited by connected load.
Additional external diode required for charged inductive loads
4
2
ST
IN
ESD
Voltage
Voltage
source
sensor
Logic
V
Logic
bb
protection
Overvoltage
Charge pump
protection
Level shifter
Rectifier
chip on chip technology. Fully protected by embedded protection
1
2)
1 )
GND
Signal GND
Current
1
limit
unclamped
Open load
Short circuit
Product Summary
V
V
V
V
R
I
I
I
detection
detection
ind. loads
L(SCp)
L(SCr)
L(ISO)
Limit for
Load dump
bb
bb (operation)
bb (reverse)
ON
- V
protection
Gate
OUT
Avalanche Clamp
Temperature
sensor
R bb
PROFET
PROFET ® BTS 432 I2
OUT
+ V bb
Load GND
3
5
4.5 ... 42
-32
80
58
38
42
33
11
Load
m
04.96
5
V
V
V
V
A
A
A

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BTS432I2 Summary of contents

Page 1

Smart Highside Power Switch Features Load dump and reverse battery protection Clamp of negative voltage at output Short-circuit protection Current limitation Thermal shutdown Diagnostic feedback Open load detection in OFF-state CMOS compatible input Electrostatic discharge (ESD) protection Loss of ground ...

Page 2

Pin Symbol 1 GND - OUT O (Load, L) Maximum Ratings °C unless otherwise specified j Parameter Supply voltage (overvoltage protection see page 3) Load ...

Page 3

Electrical Characteristics Parameter and Conditions ° unless otherwise specified j bb Load Switching Capabilities and Characteristics On-state resistance (pin Nominal load current (pin 3 ...

Page 4

Parameter and Conditions = 25 ° unless otherwise specified j bb Protection Functions Initial peak short circuit current limit (pin max 400 > ON(SC) Repetitive ...

Page 5

Parameter and Conditions = 25 ° unless otherwise specified j bb Input and Status Feedback Input turn-on threshold voltage Input turn-off threshold voltage Input threshold hysteresis Off state input current (pin 2) On state ...

Page 6

Truth Table Input- Output level level Normal L L operation Open load Short circuit GND H L Short circuit Overtem perature ...

Page 7

Inductive and overvoltage output clamp V Z GND V clamped typ. ON Overvolt. and reverse batt. protection Logic GND R GND Signal GND R = 120 typ , ...

Page 8

Inductive Load switch-off energy dissipation PROFET = Energy dissipated in PROFET < Load ...

Page 9

Options Overview all versions: High-side switch, Input protection, ESD protection, load dump and reverse battery protection , protection against loss of ground Type Logic version Overtemperature protection T j >150 °C, latch function >150 ...

Page 10

Timing diagrams Figure 1a: V turn on d(bb IN OUT A ST CMOS A in case of too early V IN =high the device may not turn on (curve A) t approx. 150 s ...

Page 11

Figure 3b: Turn on into overload L(SCp) I L(SCr) ST Heating up may require several milliseconds , V typ. Figure 3c: Short circuit while on OUT I L **) **) current peak approx. ...

Page 12

Figure 5b: Open load: detection in OFF-state, turn on/off to open load OUT case of external capacity t may be higher due to high d(ST,OL3) impedance *) typ L Figure 5c: ...

Page 13

Figure 7a: Overvoltage bb(over) ON(CL OUT ST Semiconductor Group V bb(o rst BTS 432 I2 ...

Page 14

Package and Ordering Code All dimensions in mm Standard TO-220AB/5 BTS 432 I2 Semiconductor Group SMD TO-220AB/5, Opt. E3122 Ordering code BTS 432 I2 E3122A T&R: Q67060-S6204-A2 14 BTS 432 I2 Ordering code Q67060-S6204-A3 ...

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