BTS52312GSXT Infineon Technologies, BTS52312GSXT Datasheet

no-image

BTS52312GSXT

Manufacturer Part Number
BTS52312GSXT
Description
Manufacturer
Infineon Technologies
Datasheet

Specifications of BTS52312GSXT

Switch Type
High Side
Power Switch Family
BTS5231-2GS
Input Voltage
-5 to 10V
Power Switch On Resistance
140mOhm
Output Current
1.8A
Number Of Outputs
Dual
Mounting
Surface Mount
Supply Current
3.8mA
Package Type
DSO
Operating Temperature (min)
-40C
Operating Temperature (max)
150C
Operating Temperature Classification
Automotive
Pin Count
14
Power Dissipation
900W
Lead Free Status / RoHS Status
Compliant
Data Sheet, V1.2, Sep 2008
BTS5231-2GS
S m ar t H i g h - S i d e P ow er S w i t c h
P R O F E T
T w o C h a n n e l s , 1 4 0 m
A u t o m o t i v e P o w e r

Related parts for BTS52312GSXT

BTS52312GSXT Summary of contents

Page 1

BTS5231-2GS ...

Page 2

... Over Voltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.2.4 Loss of Ground Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 4.2.5 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4.3 Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.3.1 ON-State Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 4.3.2 OFF-State Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.3.3 Sense Enable Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 4.3.4 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5 Package Outlines BTS5231-2GS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 6 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Data Sheet Smart High-Side Power Switch . . . . . . . . . . . . . . . . . . . . . . 10 2 BTS5231-2GS Page V1.2, 2008-09-01 ...

Page 3

... Smart High-Side Power Switch PROFET Product Summary The BTS5231-2GS is a dual channel high-side power switch in PG-DSO-14-31 package providing embedded protective functions. The power transistor is built by a N-channel vertical power MOSFET with charge pump. The device is monolithically integrated in Smart SIPMOS technology. Operating voltage ...

Page 4

... Latched over temperature diagnosis in ON-state, signalling by voltage source • Open load detection in OFF-state, signalling by voltage source Applications • C compatible high-side power switch with diagnostic feedback for 12 V grounded loads • All types of resistive, inductive and capacitive loads • Suitable for loads with high inrush currents lamps • ...

Page 5

... Overview The BTS5231-2GS is a dual channel high-side power switch (two times 140 PG-DSO-14-31 package providing embedded protective functions. The Enhanced IntelliSense pins IS1 and IS2 provide a sophisticated diagnostic feedback signal including current sense function and open load in off state. The diagnosis signals can be switched on and off by the sense enable pin SEN ...

Page 6

... IN2 I IS1 I V IS2 IS1 V IS2 I SEN V SEN Figure 2 Terms Symbols without channel number are channel related and valid for each channel separately. Data Sheet Smart High-Side Power Switch I bb VBB IN1 IN2 BTS5231-2GS IS1 IS2 SEN GND I GND 6 BTS5231-2GS Overview I V ...

Page 7

... IS2 9 SEN 1) 12, 13 OUT1 1) 10, 11 OUT2 2 GND VBB 1) All output pins of each channel have to be connected 2) All VBB pins have to be connected Data Sheet Smart High-Side Power Switch (top view) VBB 1 14 GND 2 13 IN1 3 12 IS1 4 11 IS2 5 10 IN2 ...

Page 8

... Power dissipation (DC) Logic Pins 3.1.8 Voltage at input pin 3.1.9 Current through input pin 3.1.10 Voltage at sense enable pin 3.1.11 Current through sense enable pin Data Sheet Smart High-Side Power Switch Electrical Characteristics Symbol Limit Values Unit Test min. max ...

Page 9

... Load Dump pulse generator Current limitation is a protection feature. Operation in current limitation is considered as “outside” normal operating range. Protection features are not designed for continuous repetitive operation. 4) Pulse shape represents inductive switch off: 5) Device mounted on PCB ( layer thick) for connection ...

Page 10

... BTS5231-2GS. There is an integrated input resistor that makes external components obsolet. The current source to ground ensures that the device switches off in case of open input pin. The zener diode protects the input circuit against ESD pulses. Figure 5 ...

Page 11

... A high signal at the input pin causes the power DMOS to switch on with a dedicated slope, which is optimized in terms of EMC emission OUT 90% 70% 30% 10% Figure 6 Switching a Load (resistive) 4.1.3 Inductive Output Clamp When switching off inductive loads with high-side switches, the voltage ground potential, because the inductance intends to continue driving the current. ...

Page 12

... V  OUT(CL) The energy, which is converted into heat, is limited by the thermal design of the component. See Figure 9 100 Figure 9 Maximum Energy Dissipation Single Pulse, Data Sheet Smart High-Side Power Switch Block Description and Electrical Characteristics   V OUT(CL) bb   ---------------------- - –  ...

Page 13

... Nominal load current per channel one channel active two channels active 4.1.7 Output clamp 4.1.8 Output leakage current per channel 4.1.9 Inverse current capability Data Sheet Smart High-Side Power Switch Block Description and Electrical Characteristics Symbol Limit Values min. typ. max GND 2 ...

Page 14

... Not subject to production test, parameters are calculated from Note: Characteristics show the deviation of parameter at the given supply voltage and junction temperature. Typical values show the typical parameters expected from manufacturing. Data Sheet Smart High-Side Power Switch Block Description and Electrical Characteristics ...

Page 15

... Current Limitation (minimum values) Current limitation is realized by increasing the resistance of the device which leads to rapid temperature rise inside. A temperature sensor for each channel causes an overheated channel to switch off to prevent destruction. After cooling down with thermal hysteresis, the channel switches on again. Please refer to IN ...

Page 16

... GND 8). The over-temperature protection is not active during Due to the ESD zener diodes, the potential at pin bb bb(AZ logic SEN ESD R GND 16 Smart High-Side Power Switch BTS5231-2GS Protection Functions Section 4.1.3, there the power bb(AZ) VBB AZ V OUT GND OUT V1.2, 2008-09-01 (3) OverVoltage .emf ...

Page 17

... Limit Values min. typ. max L(LIM) 5 1.6 I L(SCr) t 0.5 OFF(SC) T 150 170 j(SC DS(rev GND R 115 220 GND 200 bb(AZ) I L(GND) must not exceed Smart High-Side Power Switch BTS5231-2GS Protection Functions Unit Test Conditions j(SC jStart K/W thja 700 -13 150 C j ...

Page 18

... GND Figure 13 Block Diagram: Diagnosis Table 1 Truth Table Operation Mode Normal Operation (OFF) Short Circuit to GND Over-Temperature V Short Circuit to bb Open Load Data Sheet Smart High-Side Power Switch provided as long as no failure mode (see ILIS fed to the diagnosis pin. IS(fault) VBB ...

Page 19

... Figure 14 Current Sense Ratio 1) The curves show the behavior based on characterization data. The marked points are guaranteed in this Data Sheet in Section 4.3.4 (Position 4.3.6). Data Sheet Smart High-Side Power Switch 1) Input Output Level Level (ON-State) V < bb ...

Page 20

... In case of over-load as well as over-temperature, the voltage diagnosis pins as long as the according input pin is high. This means, even if the overload disappears after the first thermal shutdown or when the device keeps switching on and off in over-load condition (thermal toggling), the diagnosis signal ( constantly available. Please refer to overload disappears before the first thermal shutdown, the diagnosis signal ( remain for approximately up to 300 s longer than the duration of the overload ...

Page 21

... There is no internal leakage current from out to ground at BTS5231-2GS. minimum supply voltage at which the open load diagnosis in off state must be ensured. To reduce the stand-by current of the system, an open load resistor switch ( recommended. Data Sheet Smart High-Side Power Switch ...

Page 22

... Sense Enable Function The diagnosis signals have to be switched high signal at sense enable pin (SEN). See Figure 18 for details on the timing between SEN pin and diagnosis signal note that the diagnosis is disabled, when no signal is provided at pin SEN. SEN t sIS(SEN Figure 18 Timing of Sense Enable Signal The SEN pin circuit is designed equal to the input pin ...

Page 23

... 4.3.7 Current sense voltage limitation Data Sheet Smart High-Side Power Switch (unless otherwise specified) SEN Symbol Limit Values min. typ. max IS(fault IS(LIM) V 1.6 2.8 OUT(OL) t d(fault) t s(fault) k ILIS 600 2000 1210 1490 1210 1416 1210 ...

Page 24

... H-input current 4.3.19 Current sense settling time after positive SEN slope 4.3.20 Current sense deactivation time after negative SEN slope 1) Not subject to production test, specified by design Data Sheet Smart High-Side Power Switch (unless otherwise specified) SEN Symbol Limit Values min. ...

Page 25

... RoHS-Compliant (i.e Pb-free finish on leads and suitable for Pb-free soldering according to IPC/ JEDEC J-STD-020). You can find all of our packages, sorts of packing and others in our Infineon Internet Page “Products”: http://www.infineon.com/products. Data Sheet Smart High-Side Power Switch Package Outlines BTS5231-2GS (Plastic Dual Small Outline Package) 25 BTS5231-2GS Dimensions ...

Page 26

... Parameter 3.1.6 : Change to 45mJ at 13.5V Figure 9 new. Parameter 4.1.7 : Change to -24V min, -17V max • Modification of the green logos (suppression in the package outline and addition on the overview page 4.3.11: Test conditions: Typo corrected 26 Smart High-Side Power Switch BTS5231-2GS Revision History 2008-09-01 ...

Page 27

... Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system ...

Related keywords