BTS3205GXT Infineon Technologies, BTS3205GXT Datasheet
BTS3205GXT
Specifications of BTS3205GXT
Related parts for BTS3205GXT
BTS3205GXT Summary of contents
Page 1
...
Page 2
... 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
... Replaces discrete circuits Detailed Description The device is able to switch all kind of resistive, inductive and capacitive loads, limited by current capabilities. The BTS3205G offers ESD protection of the IN Pin in relation to the Source Pin. The overtemperature protection is in order to prevent the device from overheating due to overload and/or bad cooling conditions ...
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 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 7 Drain 6 Drain 5 Drain Rev. 1.0, 2007-12-06 BTS3205G ...
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 ...
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 ...
Page 9
... 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 ...
Page 10
... Input.emf 2,00 1,75 1,50 1,25 1,00 0,75 0,50 0,25 0,00 -50 - 100 125 150 T [°C] Vinth.emf µ inth J D 0,7 0,6 0,5 0,4 0,3 0,2 0 Transferchar.emf Jstart 10 Smart Low-Side Power Switch BTS3205G I in order to give the fault INlim °C Rev. 1.0, 2007-12-06 ...
Page 11
... T [ ° DS(on) J Figure 10 is calculated by R =90 K/W thJA -50 - °C 11 Smart Low-Side Power Switch I . INlim Figure 9 shows this dependancy for the typical 100 125 150 rdson.emf R R and . thJC thJA R =44 K/W thJC 100 125 150 Rev. 1.0, 2007-12-06 BTS3205G ...
Page 12
... Output Timing A voltage signal at the input pin above the threshold voltage causes the power MOSFET to switch on with a dedicated slope which is optimized for low EMC emission. IN [V] 5 ond Figure 11 Definition of Power Output Timing for Resistive Load 5.1.6 Characteristics Note: Characteristics show the deviation of parameter at given input voltage and junction temperature. Typical values show the typical parameters expected from manufacturing ...
Page 13
... Pos. Parameter Power Stage 5.1.5 On-State Resistance 5.1.6 5.1.7 5.1.8 5.1.9 Nominal load current 5.1.10 Zero input voltage drain current Data Sheet Smart Low-Side Power Switch Block Description and CharacteristicsInput and Power Stage Symbol Limit Values Min. Typ. Max. R – 0.9 – ...
Page 14
... Not subject to production test, calculated by 2) Device mounted on PCB according EIA/JEDEC standard JESD51-7 (4-layer FR4, 76.2 mm × 114.3 mm with buried planes). PCB is mounted vertical without blown air. Data Sheet Smart Low-Side Power Switch Block Description and CharacteristicsInput and Power Stage Symbol Limit Values Min ...
Page 15
... 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
... ⋅ ------------------------------------- - – out Data Sheet ⋅ ⋅ ln ------------------------ + ⋅ ------ out Smart Low-Side Power Switch Protection FunctionsOvervoltage Protection Turn off due to over temperature or short circuit InductiveLoad.emf Rev. 1.0, 2007-12-06 BTS3205G (1) (2) ...
Page 17
... 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 Protection FunctionsShort Circuit Protection Figure 15 shows this behavior ...
Page 18
... Overvoltage Protection 6.4.3 Drain clamp voltage Current Limitation and Short Circuit Protection 6.4.4 Current limitation 6.4.5 Current limitation delay time 1) Not subject to production test, specified by design. Data Sheet Smart Low-Side Power Switch Protection FunctionsCharacteristics Symbol Limit Values Unit Min. Typ. Max. ...
Page 19
... Green products are RoHS-Compliant (i.e Pb-free finish on leads and suitable for Pb-free soldering according to IPC/JEDEC J-STD-020). For further information on alternative packages, please visit our website: http://www.infineon.com/packages. Data Sheet B 0 Smart Low-Side Power Switch Package Outlines BTS3205G 0.35 x 45˚ -0.2 C 0.64 ±0.25 6 ±0.2 0.2 ...
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 ...
Page 21
... 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 ...