NCV8450 - Self-Protected High Side Driver with Temperature ...

1 Semiconductor Components Industries, LLC, 2015 October, 2018 Rev. 61 Publication Order Number: NCV8450 /DNCV8450, NCV8450 ASelf-Protected High SideDriver with Temperatureand current LimitThe NCV8450 /A is a fully protected High Side Smart Discretedevice with a typical RDS(on) of W and an internal current limit A typical. The device can switch a wide variety of resistive,inductive, and capacitive Short Circuit Protection Thermal Shutdown with Automatic Restart Overvoltage Protection Integrated clamp for Inductive Switching Loss of Ground Protection ESD Protection Slew Rate Control for Low EMI Very Low Standby current NCV Prefix for Automotive and Other Applications RequiringUnique Site and Control Change Requirements; AEC Q100 Qualified and PPAP Capable These Devices are Pb Free, Halogen Free/BFR Free and are RoHSCompliantTypical Applications Automotive IndustrialPRODUCT SUMMARYS ymbolCharacteristicsValueUnitVIN_CLOverv oltage Protection54 VVD(on)Operation 45 VRonOn State = V8450 or 8450AA= Assembly LocationY= YearW= Work WeekG= Pb Free Package(Note: Microdot may be in either location)SOT 223(TO 261)CASE 318 ESee detailed ordering and shipping information in the packagedimensions section on page 8 of this data INFORMATIONNCV8450, 1.

2 Block DiagramControlLogicR_INCurrentLimitation OvertemperatureDetectionRegulatedCharge PumpOutputClampingVD (Pins 2, 4)OUT(Pin 3)IN(Pin 1)PACKAGE PIN DESCRIPTIONPin #SymbolDescription1 INControl Input, Active Low2 VDSupply Voltage3 OUTO utput4 VDSupply VoltageNCV8450, RATINGSR atingSymbolValueUnitMinMaxDC Supply Voltage (Note 1)VD 1645 VLoad Dump Protection (RI = 2 W, td = 400 ms, VIN = 0, 10 V, IL = 150 mA, Vbb = V)VLoaddump85 VInput CurrentIin 1515mAOutput current (Note 1)IoutInternally LimitedATotal Power Dissipation@ TA = 25 C (Note 2)@ TA = 25 C (Note 3) Discharge (Note 4)(Human Body Model (HBM) 100 pF/1500 W)InputAll other15kVSingle Pulse Inductive Load Switching Energy (Note 4)(VDD = V, I = 465 mApk, L = 200 mH, TJStart = 150 C)EAS29mJOperating Junction TemperatureTJ 40+150 CStorage TemperatureTstorage 55+150 CStresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionalityshould not be assumed, damage may occur and reliability may be Reverse Output current has to be limited by the load to stay within absolute maximum ratings and thermal Minimum 1 in square pad size, FR 4, 1 oz Not subjected to production RESISTANCE RATINGSP arameterSymbolMax ValueUnitThermal Resistance (Note 5)Junction to Ambient (Note 2)Junction to Ambient (Note 3) Not subjected to production 2.

3 Applications Test CircuitNCV8450/AOUTINVDIDVOUTIIN+ NCV8450 , CHARACTERISTICS (6 v VD v 45 V; 40 C <TJ < 150 C unless otherwise specified)RatingSymbolConditionsValueUnitMinTypMaxOUTPUT CHARACTERISTICSO perating Supply 45 VOn Resistance (Pin 1 Connected to GND)RONTJ = 25 C , IOUT = 150 mA, VD = 7 V 45 VTJ = 150 C, IOUT = 150 mA, VD = 7 V 45 V(Note 6)TJ = 25 C , IOUT= 150 mA, VD = 6 current (Pin 1 Open)IDVD v 20 VVD > 20 CHARACTERISTICSI nput current Off StateIIN_OFFVOUT v V, RL = 270 W, TJ = 25 CVOUT v , RL = 270 W, TJ = 150 C (Note 6) 50 40mAInput current On State(Pin 1 Grounded) Resistance (Note 6)RIN1kWSWITCHING CHARACTERISTICSTurn On Time (Note 7)(VIN = VD to 0 V) to 90% VOUTtONRL = 270 W (Note 6)VD = V, RL = 270 W, TJ = 25 C30125100msTurn Off Time (Note 7)(VIN = 0 V to VD ) to 10% VOUTtOFFRL = 270 W (Note 6)VD = V, RL = 270 W, TJ = 25 C60175150msSlew Rate On (Note 7)(VIN = VD to 0V) 10% to 30%VOUTdV/dtONRL = 270 W (Note 6)VD = V, RL = 270 W, TJ = 25 Rate Off (Note 7)

4 (VIN = 0 V to VD) 70% to 40%VOUTdV/dtOFFRL = 270 W (Note 6)VD = V, RL = 270 W, TJ = 25 DIODE CHARACTERISTICS (Note 6)Drain Source Diode VoltageVFIOUT = Reverse DrainCurrentISTJ = 25 FUNCTIONS (Note 8) Temperature Shutdown (Note 6)TSD150175 CTemperature ShutdownHysteresis (Note 6)TSD_HYST5 COutput current LimitILIMTJ = 40 C, VD = V, tm = 100 ms (Note 6)TJ = 25 C, VD = V, tm = 100 msTJ = 150 C , VD = V, tm = 100 ms (Note 6) clamp Voltage(Inductive Load Switch Off)At VOUT = VD VCLAMPVCLAMPIOUT = 4 mA4552 VOvervoltage ProtectionVIN_CLICLAMP = 4 mA5054V6. Not subjected to production testing7. Only valid with high input slew rates8. Protection functions are not designed for continuous repetitive operation and are considered outside normal operating rangeNCV8450, CHARACTERISTIC 40 20020406080100120 140 RDS(on) (W) Temperature ( C)Figure 3. RDS(on) vs. TemperatureVD = 6 VVD = 15 VIout = 150 (on) (W)OUTPUT LOAD (A)Figure 4.

5 RDS(on) vs. Output LoadVD = 6 VVD = 9 VTA = 25 1020304050VD (V)Figure 5. RDS(on) vs. VDRDS(on) (W)150 C125 C25 C 40 C01020304050607080 TURN ON TIME (ms) Temperature ( C)Figure 6. Turn On Time vs. TemperatureVD = 42 VVD = VVD = 9 V020406080100120140 Temperature ( C)Figure 7. Turn Off Time vs. TemperatureTURN OFF TIME (ms)VD = 42 VVD = VVD = 9 RATE (ON) (V/ms) Temperature ( C)Figure 8. Slew Rate (ON) vs. TemperatureVD = 42 VVD = VVD = 9 V 40 20020406080100120 140 40 20020406080100120 140 40 20020406080100120 140 RLOAD = 270 WRLOAD = 270 WRLOAD = 270 WNCV8450, CHARACTERISTIC ( C)Figure 9. Slew Rate (OFF) vs. TemperatureSLEW RATE (OFF) (V/ms)VD = 42 VVD = VVD = 9 V 40 20020406080100120 140 RLOAD = 270 40 20020406080100 120 140 Temperature ( C)Figure 10. current Limit vs. TemperatureCURRENT LIMIT (A)VD = SC current (A)VD, VOLTAGE (V)Figure 11. Peak Short Circuit current vs. VDVoltage150 C125 C25 CTA = 40 C010203040506070 40 20020406080100 120 140VD = 45 VVD = 25 VVD = 15 VTEMPERATURE ( C)Figure 12.

6 VD Leakage current Off StateVD, LEAKAGE current (mA)010203040506070051015202530354045150 C125 C25 C 40 CVD, LEAKAGE current (mA)VD, VOLTAGE (V)Figure 13. VD Leakage current vs. VD VoltageOff ( C)Figure 14. On State Input current current (mA)VD = 45 VVD = 28 VVD = 15 VVD = 6 V103050 40 20020406080100 120 140 NCV8450 , CHARACTERISTIC , VOLTAGE (V)Figure 15. Output Voltage vs. VD VoltageOUTPUT VOLTAGE (V)ROUT = 100 kWVIN = 0 V01234567805 10 15 20 25 30 35 40 45 50 55 60 65150 C125 C25 C 40 CVD, VOLTAGE (V)Figure 16. Input current vs. VD VoltageOn StateINPUT current (mA)LOAD INDUCTANCE (mH)Figure 17. Single Pulse Maximum Switch offCurrent vs. Load InductanceCURRENT (mA)0102030405060708002040VD, VOLTAGE (V)Figure 18. Input current vs. VD VoltageOff StateINPUT current (mA)150 C125 C25 C 40 CRout = 100 W010020030040050060070080090050100150TA = 150 CVD = 20 V1101001000 404080140 SHUTDOWN TIME (ms) Temperature ( C)Figure 19.

7 Initial Short Circuit Shutdown Timevs. TemperatureVD = VVD = 24 VVD = 42 V0 202060100 120 NCV8450 , CHARACTERISTIC CURVESPULSE TIME (s)1E 021E 031E 041E 051E (t), EFFECTIVE TRANSIENT THERMAL RESPONSE1E 011E+001E+011E+021E+03 Psi TSP A(t)Single PulseDuty Cycle = HEAT SPREADER AREA (mm2)RqJA ( C/W)PCB Cu thickness, oz06080100120140300400500600700 Figure 20. RqJA vs. Copper Area0100200 PCB Cu thickness, oz2040 Figure 21. Transient Thermal ResponseISO PULSE TEST RESULTSTest PulseTest LevelTest ResultsPulse Cycle Time and Generator Impedance1200 VC500 ms, 10 W2150 VC500 ms, 10 W3a200 VC100 ms, 50 W3b200 VC100 ms, 50 W5175 VE(100 V)400 ms, 2 WORDERING INFORMATIOND evicePackageShipping NCV8450 STT3 GSOT 223(Pb Free)4000 / Tape & ReelNCV8450 ASTT3 GSOT 223(Pb Free)4000 / Tape & Reel For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel PackagingSpecifications Brochure, BRD8011 , , and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba onsemi or its affiliatesand/or subsidiaries in the United States and/or other countries.

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