IC SWITCH PWR LOSIDE DSO-8

BTS3205G

Manufacturer Part NumberBTS3205G
DescriptionIC SWITCH PWR LOSIDE DSO-8
ManufacturerInfineon Technologies
SeriesHITFET®
TypeLow Side
BTS3205G datasheet
 


Specifications of BTS3205G

Package / CaseDSO-8Input TypeNon-Inverting
Number Of Outputs1On-state Resistance700 mOhm
Current - Output / Channel350mACurrent - Peak Output900mA
Voltage - Supply2.2 V ~ 10 VOperating Temperature-40°C ~ 150°C
Mounting TypeSurface MountOn Resistance (max)0.9 Ohms
Maximum Operating Temperature+ 150 CMinimum Operating Temperature- 40 C
Maximum Power Dissipation780 mWMounting StyleSMD/SMT
Switch TypeLow SidePower Switch FamilyBTS3205G
Input Voltage10VPower Switch On Resistance900mOhm
Output Current350mAMountingSurface Mount
Package TypeDSOOperating Temperature (min)-40C
Operating Temperature (max)150COperating Temperature ClassificationAutomotive
Pin Count8Power Dissipation780W
Lead Free Status / RoHS StatusLead free / RoHS CompliantOther namesBTS3205G
BTS3205GTR
SP000237784
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BTS3205G Summary of contents

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    ...

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    ... Output On-State Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5.1.4 Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5.1.5 Output Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 5.1.6 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 6 Protection Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.1 Thermal Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.2 Overvoltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.3 Short Circuit Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 6.4 Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 7 Package Outlines BTS3205G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 8 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Data Sheet Smart Low-Side Power Switch 2 BTS3205G Rev. 1.0, 2007-12-06 ...

  • Page 3

    ... Green Product (RoHS compliant) • AEC Qualified Description The BTS3205G is a one channel low-side power switch in PG-DSO-8-24 package providing embedded protective functions. The device is monolithic integrated and consist of an N-channel power transistor and additional protection circuitry. Table 1 Product Summary Drain Voltage ...

  • Page 4

    ... The temperature information is given by a temperature sensor in the power MOSFET. During thermal shutdown the device tries to sink an increased input current for feedback the fault condition. The BTS3205G has a thermal-auto-restart function, the device will turn on again after the measured temperature has dropped for the thermal hysteresis. ...

  • Page 5

    ... GND Figure 2 Terms Data Sheet Over- Over- voltage temperature Protection Protection Short circuit detection BTS3205G Source Smart Low-Side Power Switch BTS3205G Block DiagramTerms Drain Source BlockDiagram.emf Drain V D Terms .emf Rev. 1.0, 2007-12-06 ...

  • Page 6

    ... Pin Assignment BTS3205G Source Figure 3 Pin Configuration PG-DSO-8-24 3.2 Pin Definitions and Functions Pin Symbol 1 Source Drain Data Sheet Pin ConfigurationPin Assignment BTS3205G n.c. 3 n.c. 4 P-DSO-8_1Chan.vsd Function Ground connection Input / Fault feedback not connected Load connection 6 Smart Low-Side Power Switch 8 Drain ...

  • Page 7

    ... Symbol Limit Values Unit Min. Max. V – -0 self limited – 600 – – – 0.78 tot T +150 °C - +150 °C -55 stg ESD 7 Smart Low-Side Power Switch BTS3205G Test Conditions – -0.2 V < < < -0 > ° 350 mA °C J(start 250 mA 150 °C J(start 200 mA ...

  • Page 8

    ... Typical Transient Thermal Impedance single pulse, Data Sheet General Product CharacteristicsThermal Resistance Symbol Limit Values Min. Typ. R – – thJC R – 90 thJA - Smart Low-Side Power Switch BTS3205G Unit Conditions Max K – K/W Z thJA Z thJC Zth_3205 .emf Z and thJA thJC Rev. 1.0, 2007-12-06 ...

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    ... PCB is mounted vertical without blown air with 0.78W power dissipation generated for single pulse on the DMOS Data Sheet General Product CharacteristicsThermal Resistance Single pulse - [ with different Duty cycles thJA = 25 ° Smart Low-Side Power Switch BTS3205G pulse_BTS3205_24 .emf Rev. 1.0, 2007-12-06 ...

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    ... Input Circuit Figure 6 shows the input circuit of the BTS3205G. The zener Diode protects the input circuit against ESD pulses. The internal circuitry is supplied by the input PIN. During normal operation the Input is connected to the Gate of the power MOSFET. During fault condition the device tries to sink the current information back to the driving circuit ...

  • Page 11

    ... Failure Feedback During failure condition the BTS3205G tries to sink a increased input current 5.1.3 Output On-State Resistance The on-state resistance depends on the junction temperature R on-state resistance . DS(on) Figure 9 Typical On-State Resistance, 5.1.4 Power Dissipation The maximum allowed power dissipation in 1,00 0,10 ...

  • Page 12

    ... Block Description and CharacteristicsInput and Power Stage Figure 11 shows the timing definition. t off t offd Symbol Limit Values Min. Typ. Max. I – INnom I – 100 150 INlim V 1.3 1.7 2.2 INTH 0.8 – – 12 BTS3205G t t Switching.emf Unit Test Conditions µ µ 150 ° µ 25° ...

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    ... Min. Typ. Max. R – 0.9 – DS(on) – 1.8 2.4 – 0.7 – – 1.4 1.9 I 350 520 – Dnom I – – 5 DSS – 2.5 6 – BTS3205G Unit Test Conditions 1) Ω ° 200mA D T Ω = 150 ° 200mA D 1) Ω ° ...

  • Page 14

    ... Smart Low-Side Power Switch Block Description and CharacteristicsInput and Power Stage Symbol Limit Values Min. Typ. Max. t – – 15 off – 2 – 6.0 ds off V – -1 and . thJA DS(on) 14 BTS3205G Unit Test Conditions µ 90 µ 10 9.3 V/µs 50 Ω 18.2 V/µs 30 Ω ...

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    ... Thermal Protection The device is protected against over temperature due to overload and / or bad cooling conditions. To ensure this a temperature sensor located in the Power MOSFET is used. The BTS3205G has a thermal auto-restart function. After the device has cooled down it will switch on again see Figure 12. ...

  • Page 16

    ... lamp V bb Figure 14 Switching an Inductance While demagnetization of inductive loads, energy has to be dissipated in the BTS3205G. This energy can be calculated with following equation: V out ⋅ ------------------------ bb out Following equation simplifies under assumption of   ⋅   ------------------------------------- -   – out Data Sheet  ...

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    ... IN lim Figure 15 Short Circuit Behavior of BTS3205G As the device is a low side switch it can be assumed that the Source to Ground path has a neglectable low impedance and resistance. Therefore all impedance and resistance in the load path during short circuit is merged into Zsc. Data Sheet ...

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    ... T 1) °C 150 175 – JSD ∆ T – 10 – K JSD V 42 – Clamp I 0.6 0.9 1.2 A lim 0.3 – – – – 1.4 t µs – – 50 dlim 18 BTS3205G Test Conditions – mA × t measure dlim ° 150 ° -40 ° Rev. 1.0, 2007-12-06 ...

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    ... Package Outlines BTS3205G 1.27 +0.1 2) 0.41 -0.06 0 -0.2 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Lead width can be 0.61 max. in dambar area Figure 16 PG-DSO-8-24 (Plastic Dual Small Outline Package) Green Product (RoHS compliant) To meet the world-wide customer requirements for environmentally friendly products and to be compliant with government regulations the device is available as a green product ...

  • Page 20

    ... Revision History Version Date Changes Rev. 1.0 2007-12-06 released data sheet Data Sheet Smart Low-Side Power Switch 20 BTS3205G Revision History Rev. 1.0, 2007-12-06 ...

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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 ...