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| Data sheet No. PD60309 IPS7071GPBF PROTECTED HIGH SIDE SWITCH Features * * * * * * * * Over temperature shutdown (with auto-restart) Short circuit protection (current limit) Active clamp Open load detection Logic ground isolated from power ground ESD protection Ground loss protection Status feedback Product Summary Rds(on) Vclamp I Limit Open load Package 110m max. 70V 5A 3V Description The IPS7071GPBF is a fully protected five terminal high side switch with built in short circuit, over-temperature, ESD protection, inductive load capability and diagnostic feedback. The output current is limited at Ilim value. Current limitation is activated until the thermal protection acts. The over-temperature protection turns off the device if the junction temperature exceeds Tshutdown. It will automatically restart after the junction has cooled 7C below Tshutdown. A diagnostic pin is provided for status feedback of short circuit, over-temperature and open load detection. The double level shifter circuitry allows large offsets between the logic ground and the load. SO8 IPS7071GPBF Typical Connection +5V +Bat Vcc Dg Control Rdg In V Diag Rin Input Signal Load Gnd Out Pull-up resistor for Open Load Off detection 15K www.irf.com 1 IPS7071GPBF Absolute Maximum Ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are referenced to Ground lead. (Tambient=25C unless otherwise specified). Symbol Vout Voffset Vin Vcc max. Vcc cont. Iin max. Idg max. Vdg Pd Isd cont. ESD1 ESD2 Tj max. Parameter Maximum output voltage Maximum logic ground to load ground offset Maximum input voltage Maximum Vcc voltage Maximum continuous Vcc voltage Maximum IN current Maximum diagnostic output current Maximum diagnostic output voltage Maximum power dissipation (internally limited by thermal protection) Rth=100C/W Maximum continuous diode current (Rth=100C/W) Electrostatic discharge voltage (Human body) 100pF, 1500 Electrostatic discharge voltage (Machine Model) C=200pF,R=0,L=10H Max. storage & operating temperature junction temperature Min. Max. Units V Vcc-65 Vcc+0.3 Vcc-65 Vcc+0.3 -0.3 5.5 65 35 -1 10 -1 10 -0.3 5.5 mA V W A kV C 1.25 1.8 4 0.5 +150 -40 Thermal Characteristics Symbol Rth1 Parameter Thermal resistance junction to ambient IPS7071G Typ. 100 Max. Units C/W Recommended Operating Conditions These values are given for a quick design. For operation outside these conditions, please consult the application notes. Symbol VIH VIL Iout Rin Rdgs Rol Parameter High level input voltage Low level input voltage Continuous drain current, Tamb=85C, Tj=125C, Vin=5V, Rth=100C/W Recommended resistor in series with IN pin Recommended resistor in series with DG pin Recommended pull-up resistor for open load detection Min. 4 -0.3 Max. 5.5 0.9 1.5 10 20 100 Units A k 4 10 5 www.irf.com 2 IPS7071GPBF Static Electrical Characteristics Tj=25C, Vcc=14V (unless otherwise specified) Symbol Parameter Min. Typ. 80 130 90 Max. 110 175 120 35 Units m Test Conditions Vin=5V, Iout=2.5A Vin=5V, Iout=2.5A Vin=5V, Iout=2.5A Iout=10mA (see Fig. 1) Iout=1A (see Fig. 1) Iout= 2.5A Vin=0V, Vout=0V Vin=5V Vout=0V Vout=6V Vdg=5.5V Idg=1.6mA ON state resistance Tj=25C Rds(on) ON state resistance Tj=150C (1) ON state resistance Tj=25C, Vcc=6.5V Vcc op. Operating voltage range V clamp 1 Vcc to Out clamp voltage 1 V clamp 2 Vcc to Out clamp voltage 2 (1) Vf Body diode forward voltage Icc Off Supply current when Off Icc On Supply current when On Iout@0V Output leakage current Iout@6V Output leakage current Idg leakage Diagnostic output leakage current Vdgl Low level diagnostic output voltage Vih Input high threshold voltage Vil Input low threshold voltage In hys Input hysteresis UV high Under voltage high threshold voltage UV low Under voltage low threshold voltage UV hys Undervoltage hysteresis Iin On Input current when device is On (1) Guaranteed by design 6 65 1 70 70 1 2.5 2.5 1.1 75 1.35 10 3.5 10 V A mA A 20 0.15 3.4 0.1 0.2 2.5 2 0.4 5 4.5 0.8 40 10 0.3 3.5 1 5.9 V 1.5 80 A Vin=5V Switching Electrical Characteristics Vcc=14V, Resistive load=14, Vin=5V, Tj=25C Symbol Tdon Tr1 Tr2 dV/dt (On) EOn Tdoff Tf dV/dt (Off) EOff Tdiag Parameter Turn-on delay time Rise time to Vout=Vcc-5V Rise time to Vout=0.9 x Vcc Turn On dV/dt Turn On energy Turn-off delay time Fall time to Vout=0.1 x Vcc Turn Off dV/dt Turn Off energy Vout to Vdiag propagation delay Min. Typ. 11 7 15 1.3 75 23 6 2 25 15 Max. 35 40 50 4 Units s V/s J s V/s J s Test Conditions See Fig. 3 45 25 6 See Fig. 4 and Fig. 12 www.irf.com 3 IPS7071GPBF Protection Characteristics Symbol Parameter Min. 2 150(2) 2 2 Typ. 5 165 158 3 3 Max. 9 Units A C V Test Conditions Vout=0V See Fig. 2 Ilim Internal current limit (2) Tsd+ Over temperature high threshold TsdOver temperature low threshold Vsc Short-circuit detection voltage(3) Vopen load Open load detection threshold (2) Guaranteed by design (3) Reference to Vcc 4 4 Truth Table Operating Conditions IN OUT DG pin Normal H H H Normal L L L Open Load H H H (3) Open Load L H H Short circuit to Gnd H L (limiting) L Short circuit to Gnd L L L Over-temperature H L (cycling) L Over-temperature L L L (3) With a pull-up resistor connected between the output and Vcc. Lead Assignments 8765 1234 1- Out 2- Gnd 3- DG 4- In 5-6-7-8 Vcc SO8 www.irf.com 4 IPS7071GPBF Functional Block Diagram All values are typical VCC 165C Tj 75V 158C Vcc-Gnd >UV 2.5V Level Shifter Charge Pump 66V Driver 75V IN 6V 150k 2.0V + I Sense I Limit Gnd Loss Protection DG 6V Open Load + 3V + 3V Short Circuit 30 GND OUT www.irf.com 5 IPS7071GPBF T clamp Vin Vin Iout limiting Thermal cycling Ids Ilim Vcc Tj Vds Vds clamp Tsd+ Tsd- See Application Notes to evaluate power dissipation Figure 1 - Active clamp waveforms Figure 2 - Protection timing diagram 90% Vin Vil Vin Vih 10% Vout Vcc Vcc - Vsc 90% Vcc-5V Vout 10% Td on Tr1 Tr2 Td off Tf Vol Vdg Vds Blanking Diag ON Tdiag Blanking Diag OFF Figure 3 - Switching times definition Figure 4 - Diagnostic delay definition www.irf.com 6 IPS7071GPBF 10 Dg In Gnd Vcc Out Vclamp + 14V Iout, Output current (A) L 5V 1 Vin 0V Vout Rem : During active clamp, Vload is negative R Iout 0.1 1E+2 1E+3 1E+4 1E+5 1E+6 Load inductance (H) Figure 5 - Active clamp test circuit Figure 6 - Max. Output current (A) Vs Load inductance (H) 5 100.0 Ids, cont. Output current (A) 4 Zth, transient thermal impedance (C/W) 10.0 3 2 1.0 1 0 -50 0 50 100 150 0.1 0.0001 0.001 0.01 0.1 1 10 100 Tamb, Ambient temperature (C) Figure 7 - Max. ouput current (A) Vs Ambient temperature (C) Time (s) Figure 8 - Transient thermal impedance (C/W) Vs time (s) www.irf.com 7 IPS7071GPBF 1 2 1 0 8 500 Eon, Eoff, switching energy (J) 400 300 Eon Eoff I limit (A) 6 4 2 0 -50 0 50 1 00 1 50 200 100 0 0 1 2 3 4 Tj, junction temperature (C) Figure 9 -I limit (A) Vs junction temperature (C) Iout, Output current (A) Figure 10 - Switching energy (J) Vs Output current (A) 200% 80 Rds(on), Drain-to-Source On Resistance (Normalized) 60 Blanking time (s) 150% Tdiag on Tdiag off 40 100% 20 50% -50 0 50 100 150 0 0 1 2 3 Tj, junction temperature (C) Figure 11 - Normalized Rds(on) (%) Vs Tj (C) Output current (A) Figure 12 - Diagnosis Blanking time (s) Vs Output current (A) www.irf.com 8 IPS7071GPBF 1.E+4 1.E+4 Icc on/ Icc off, supply current (A) Icc on/ Icc off, supply current (A) 1.E+3 1.E+3 Icc on Icc off 1.E+2 Icc on Icc off 1.E+2 1.E+1 1.E+1 1.E+0 0 5 10 15 20 25 30 35 1.E+0 -50 0 50 100 150 Vcc, power supply voltage (V) Figure 13 - Icc on/ Icc off (A) Vs Vcc (V) Tj, junction temperature (C) Figure 14 - Icc on/ Icc off (A) Vs Tj (C) www.irf.com 9 IPS7071GPBF Case Outline - SO8 www.irf.com 10 IPS7071GPBF Tape & Reel - SO8 IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105 Data and specifications subject to change without notice . SO8 is MSL2 qualified This product has been designed and qualified for the Automotive [Q100] market. 6/24/2007 www.irf.com 11 |
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