BU931_1

BU931 BU931P, BU931T High voltage ignition coil driver NPN power Darlington transistors Features ■ ■ ■ Very rugged Bipolar technology High operating junction temperature Wide range of packages 1 2 3 2 1 1 3 2 TAB TAB Application ■ High ruggedness electronic ignitions TO-3 TO-247 Description The devices are bipolar Darlington transistors manufactured using multi-epitaxial planar technology. They have been properly designed to be used in automotive environment as electronic ignition power actuators. TO-220 Figure 1. Internal schematic diagrams for TO-3 for TO-220 and TO-247 Table 1. Device summary Marking BU931 BU931P BU931T Packages TO-3 TO-247 TO-220 Packaging Tray Tube Tube Order codes BU931 BU931P BU931T December 2009 Doc ID 1004 Rev 4 1/13 www.st.com 13 Content BU931, BU931P, BU931T Content 1 2 Electrical ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1 Electrical characteristics (curves) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3 4 5 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 2/13 Doc ID 1004 Rev 4 BU931, BU931P, BU931T Electrical ratings 1 Electrical ratings Table 2. Symbol VCES VCEO VEBO IC ICM IB IBM PTOT TSTG TJ Absolute maximum ratings Value Parameter BU931 Collector-emitter voltage (VBE = 0) Collector-emitter voltage (IB = 0) Emitter-base voltage (IC = 0) Collector current Collector peak current Base current Base peak current Total dissipation at Tc = 25 °C Storage temperature Max. operating junction temperature 175 -65 to 200 200 15 30 1 5 135 -65 to 175 °C 175 125 BU931P 500 400 5 10 20 BU931T V V V A A A A W Unit Table 3. Symbol Thermal data Value Parameter BU931 BU931P 1.1 BU931T 1.2 °C/W Thermal resistance junction-case max. Unit RthJC 1 Doc ID 1004 Rev 4 3/13 Electrical characteristics BU931, BU931P, BU931T 2 Electrical characteristics Tcase = 25 °C; unless otherwise specified. Table 4. Symbol ICES ICEO IEBO Electrical characteristics Parameter Collector cut-off current (VBE = 0) Collector cut-off current (IB = 0) Emitter cut-off current (IC = 0) Test conditions VCE = 500 V VCE = 500 V VCE = 450 V VCE = 450 V VEB = 5 V L = 10 mH 400 IB = 70 mA IB = 100 mA IB = 250 mA IB = 70 mA IB = 100 mA IB = 250 mA VCE = 10 V 300 2.5 8 V A 1.6 1.8 1.8 2.2 2.4 2.5 V V V V V V V Min. Typ. Max. 100 0.5 100 0.5 20 Unit µA mA µA mA mA TC = 125 °C TC = 125 °C VCEO(sus)(1) IC = 100 mA Collector-emitter Vclamp = 400 V sustaining voltage (IB = 0) see Figure 14 Collector-emitter saturation voltage IC = 7 A IC = 8 A IC = 10 A IC = 7 A IC = 8 A IC = 10 A IC = 5 A IF = 10 A VCE(sat) (1) VBE(sat) (1) Base-emitter saturation voltage DC current gain Diode forward voltage Functional test hFE (1) VF VCC = 24 V L = 7 mH Vclamp = 400 V see Figure 11 Vclamp = 300 V IC = 7 A L = 7 mH IB = 70 mA RBE = 47 Ω VBE = 0 VCC = 12 V see Figure 13 ts tf Inductive Load Storage time Fall time 15 0.5 µs µs 1. Pulse test: pulse duration ≤ 300 µs, duty cycle ≤ 2 % 4/13 Doc ID 1004 Rev 4 BU931, BU931P, BU931T Electrical characteristics 2.1 Figure 2. Electrical characteristics (curves) Safe operating area for BU931 and BU931P Figure 3. Safe operating area for BU931T Figure 4. DC current gain Figure 5. Switching time inductive load Figure 6. Collector-emitter saturation voltage Figure 7. @ hFE = 50 Collector-emitter saturation voltage @ hFE = 100 Doc ID 1004 Rev 4 5/13 Electrical characteristics Figure 8. Collector-emitter saturation voltage Figure 9. BU931, BU931P, BU931T Base-emitter saturation voltage @ hFE = 50 Figure 10. Base-emitter saturation voltage @ hFE = 100 6/13 Doc ID 1004 Rev 4 BU931, BU931P, BU931T Test circuits 3 Test circuits Figure 12. Functional test waveforms Figure 11. Functional test circuit Figure 13. Switching time test circuit Figure 14. Sustaining voltage test circuit Doc ID 1004 Rev 4 7/13 Package mechanical data BU931, BU931P, BU931T 4 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. 8/13 Doc ID 1004 Rev 4 BU931, BU931P, BU931T Package mechanical data TO-3 mechanical data mm. DIM. min. A B C D E G N P R U V 11.00 0.97 1.50 8.32 19.00 10.70 16.50 25.00 4.00 38.50 30.00 typ max. 13.10 1.15 1.65 8.92 20.00 11.10 17.20 26.00 4.09 39.30 30.30 0015923C Doc ID 1004 Rev 4 9/13 Package mechanical data BU931, BU931P, BU931T TO-247 Mechanical data mm. Min. 4.85 2.20 1.0 2.0 3.0 0.40 19.85 15.45 5.45 14.20 3.70 18.50 3.55 4.50 5.50 3.65 5.50 14.80 4.30 Typ Max. 5.15 2.60 1.40 2.40 3.40 0.80 20.15 15.75 Dim. A A1 b b1 b2 c D E e L L1 L2 øP øR S 10/13 Doc ID 1004 Rev 4 BU931, BU931P, BU931T Package mechanical data TO-220 type A mechanical data mm Dim Min A b b1 c D D1 E e e1 F H1 J1 L L1 L20 L30 ∅P Q 4.40 0.61 1.14 0.48 15.25 1.27 10 2.40 4.95 1.23 6.20 2.40 13 3.50 16.40 28.90 3.75 2.65 3.85 2.95 10.40 2.70 5.15 1.32 6.60 2.72 14 3.93 Typ Max 4.60 0.88 1.70 0.70 15.75 0015988_Rev_S Doc ID 1004 Rev 4 11/13 Revision history BU931, BU931P, BU931T 5 Revision history Table 5. Date 18-Nov-2008 02-Dec-2009 Document revision history Revision 3 4 Changes Package changed from TO-218 to TO-247 for BU931P. Inserted type in TO-220 (BU931T). Modified IC test condition value of VCEO(sus) parameter Table 4 on page 4, updated TO-220 package mechanical data. 12/13 Doc ID 1004 Rev 4 BU931, BU931P, BU931T Please Read Carefully: Information in this document is provided solely in connection with ST products. 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