BTS52462LXT Infineon Technologies, BTS52462LXT Datasheet

BTS52462LXT

Manufacturer Part Number
BTS52462LXT
Description
Manufacturer
Infineon Technologies
Datasheet

Specifications of BTS52462LXT

Switch Type
High Side
Power Switch Family
BTS 5246-2L
Input Voltage
-5 to 19V
Power Switch On Resistance
35mOhm
Output Current
6A
Number Of Outputs
Dual
Mounting
Surface Mount
Supply Current
3.2mA
Package Type
DSO
Operating Temperature (min)
-40C
Operating Temperature (max)
150C
Operating Temperature Classification
Automotive
Pin Count
12
Power Dissipation
1.4W
Lead Free Status / Rohs Status
Compliant
D a t a S h e e t , R e v . 1 . 4 , S e p 2 0 0 8
B T S 5 2 4 6 - 2 L
S m a r t H i g h - S i d e P o w e r S w i t c h
A u t o m o t i v e P o w e r

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BTS52462LXT Summary of contents

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... Reverse Polarity Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 6.3 Over Voltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 6.4 Loss of Ground Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 6.5 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7 Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7.1 ON-State Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 7.2 OFF-State Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 7.3 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 8 Package Outlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 9 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2 Smart High-Side Power Switch BTS5246-2L Table of Contents Rev.1.4, 2008-09-01 ...

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... Green Product (RoHS compliant) • AEC Qualified Product Summary The BTS5246- dual channel high-side power switch in PG-DSO-12-9 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. ...

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... Feedback on over temperature and current limitation in ON-state • Suppressed thermal toggling of fault signal Applications • µC compatible high-side power switch with diagnostic feedback for 12 V grounded loads • All types of resistive, inductive and capacitive loads • Most suitable for loads with high inrush currents lamps • ...

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... Block Diagram The BTS5246- dual channel high-side power switch (Two Channels PG-DSO-12-9 power package providing embedded protective functions. Integrated resistors at each input pin (IN1, IN2, CLA) reduce external components. The load current limitation can be adjusted in two steps by the current limit adjust pin (CLA). ...

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... I V IN2 IN1 V IN2 I IS1 I V IS2 IS1 V IS2 I CLA V CLA Figure 2 Terms Data Sheet I bb VBB IN1 IN2 OUT1 BTS5246-2L IS1 OUT2 IS2 CLA GND I GND 6 Smart High-Side Power Switch BTS5246-2L Block Diagram DS1 V OUT1 DS2 V OUT2 Terms2ch.emf Rev.1.4, 2008-09-01 ...

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... Current limit adjust input for channel 1&2 O Protected high-side power output channel 1 O Protected high-side power output channel 2 - Ground connection - Positive power supply for logic supply as well as output power supply 7 Smart High-Side Power Switch BTS5246-2L Pin Configuration VBB OUT1 OUT1 OUT2 OUT2 CLA Rev.1.4, 2008-09-01 ...

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... Voltage at current limit adjust pin 4.1.12 Current through current limit adjust pin 4.1.13 Current through sense pin Temperatures 4.1.14 Junction temperature 4.1.15 Dynamic temperature increase while switching 4.1.16 Storage temperature ESD Susceptibility 4.1.17 ESD susceptibility HBM Data Sheet Smart High-Side Power Switch ...

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... Load Dump is specified in ISO 7637 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 Device mounted on PCB ( 1.5 mm epoxy, FR4) with 6 cm thick) for V connection ...

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... The zener diode protects the input circuit against ESD pulses. IN Figure 5 Input Circuit (IN1 and IN2) 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. Data Sheet Block Description and Electrical Characteristics depends on the supply voltage as well as the junction temperature = 13 ...

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... Figure 6 Switching a Load (resistive) 5.1.3 Inductive Output Clamp When switching off inductive loads with high-side switches, the voltage V because the inductance intends to continue driving the current Figure 7 Output Clamp (OUT1 and OUT2) To prevent destruction of the device, there is a voltage clamp mechanism implemented that keeps that negative output voltage at a certain level (V allowed load inductance is limited ...

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... Data Sheet Block Description and Electrical Characteristics V  OUT(CL ---------------------- - ln 1  ---------------------- - – – bb OUT(CL    1 ---------------------- - = –  OUT(CL) VBB = 12V (A) j,Start 12 Smart High-Side Power Switch BTS5246-2L  ------   L OUT(CL)    Figure 150°C Rev.1.4, 2008-09-01 for the ...

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... V – DS(NL) I L(nom) 6 4.3 I L(ISO -24 V OUT(CL) I – L(OFF -0.3 IN(L) V 2.4 IN(H) V – IN( IN(H) t – – OFF 13 Smart High-Side Power Switch BTS5246-2L Unit Test Conditions typ. max. – HIGH < 3.2 8 µ CLA V < V OUT OUT(OL 25°C ...

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... 0 OFF DS(ON) Symbol Limit Values Min. R thJC R thJA – – 2 1.5 mm; 35 Cu, 5 Sn; 300 mm 14 Smart High-Side Power Switch Limit Values Unit Test Conditions typ. max. 0.25 0.45 V/µ 13 0.25 0.45 V/µ 13 copper heatsinking area (one layer, 70 µm and R th ...

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... 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 ...

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... DS(rev) all channels V bb(AZ) VBB ZD AZ logic OUT GND V OUT R GND 16 Smart High-Side Power Switch BTS5246-2L Protection Functions Thermal mechanism.emf I L Page 8). The temperature Section 5.1.3, there is a clamp mechanism for , the power transistor opens and the voltage Due to the ESD zener diodes, ...

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... T 150 j(SC) T – > – OUT bb DS(rev bb(AZ) I – L(GND) R 2.0 CLA V -0.3 CLA(L) V 4.0 CLA( CLA( CLA(H) 17 Smart High-Side Power Switch BTS5246-2L Protection Functions Unit Test Conditions . A > CLA = CLA = j(SC) 40 – CLA = – CLA = °C T jStart 0.8 – CLA = – ...

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... L = Low Level High Level high impedance, potential depends on external circuit Data Sheet VBB gate control R IN1 over temperature over load open load @ off IS(fault) channel 1 gate control R IN2 diagnosis channel 2 GND Input Level 18 Smart High-Side Power Switch BTS5246- provided as long ILIS fed to the diagnosis pin. IS(fault IS1 OUT1 V OUT(OL) I IS2 ...

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... Timing of Diagnosis Signal in ON-state In case of over-current as well as over-temperature, the voltage V according input pin is high. This means, even when the device keeps switching on and off in over-load condition, the failure signal is constantly available. Please refer to 1) The curves show the behavior based on characterization data. The marked points are guaranteed in this Data Sheet in Section 7 ...

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... V is the minimum supply voltage at which the open load diagnosis in off-state must be ensured. bb(min) To reduce the stand-by current of the system, an open load resistor switch ( S current of the BTS5246-2L is minimized, when both input pins (IN1 and IN2) are on low level or left open and V < ...

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... A 4450 3.0 A 4750 6.0 A 4900 L V 5.4 IS(LIM) – I IS(LH) static 10% t – IS sIS(ON) static 10% – sIS(LC) t – hIS(OTR) 21 Smart High-Side Power Switch BTS5246-2L Diagnosis Unit Test Conditions typ. max. 3.2 4.4 V – 1 µ OUT 6 > OUT OUT(OL – – ...

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... Data Sheet 1) 6.4 ±0.1 A 8˚ 0.1 1 0.1 C 12x Seating Plane +0.13 0.4 0. 5.1 ±0 Depth 1 6 7.8 ±0.1 (Heatslug) 22 Smart High-Side Power Switch BTS5246-2L Package Outlines 1) 7.5 ±0.1 B 8˚ C 0.7 ±0.15 (0.2) (4.4) 10.3 ±0.3 0.25 B Dimensions in mm Rev.1.4, 2008-09-01 ...

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... Testcondition 5.1.7 parameter changed from -17 to -12V to -24 to -17V page 20: add paragraph: Depending on the application, an additional pull down resistor at the output might be necessary. Data Sheet Smart High-Side Power Switch BTS5246-2L Revision History ...

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... Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only 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 or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life ...

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