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| (R) VB029 / VB029SP / VB029(011Y) / VB029(012Y) HIGH VOLTAGE IGNITION COIL DRIVER POWER I.C. TYPE VB029 VB029SP VB029(011Y) VB029(012Y) s Vcl Icl Id(on) 320V 12A 230mA PRIMARY COIL VOLTAGE INTERNALLY SET s COIL CURRENT LIMIT INTERNALLY SET s LOGIC LEVEL COMPATIBLE INPUT s DRIVING CURRENT QUASI PROPORTIONAL TO COLLECTOR CURRENT s DOUBLE FLAG-ON COIL CURRENT s DARLINGTON BASE ACCESSIBLE DESCRIPTION The VB029, VB029SP, VB029(011Y) VB029(012Y) are a high voltage power integrated circuit designed in STMicroelectronics VIPowerTM technology, with vertical current flow power darlington and logic level compatible driving circuit. Built-in protection circuit for coil current limiting and collector voltage clamping allows the device to be used as smart, high voltage, high BLOCK DIAGRAM Vd PENTAWATT HV PENTAWATT HV (011Y) 10 1 PowerSO-10TM PENTAWATT HV (012Y) ORDER CODES: PowerSO-10TM PENTAWATT HV PENTAWATT HV (011Y) PENTAWATT HV (012Y) VB029SP VB029 VB029(011Y) VB029(012Y) current interface in advanced electronic ignition system. V base HVC INPUT DRIVER OVERTEMP. PROTECTION DIAG 1 QUASI PROP. BASE CURRENT + RSENSE REFERENCE DIAG DIAG 2 + GND July 1999 1/10 VB029 / VB029SP / VB029(011Y) / VB029(012Y) ABSOLUTE MAXIMUM RATING Symbol HVc IC Vd Id VIN Tj T stg Parameter Collector voltage Collector current Driving stage supply voltage Driving circuitry supply current Input voltage Junction operating temperature Storage temperature Value Internally limited Internally limited 7 230 10 -40 to 150 -55 to 150 Unit V A V mA V C C THERMAL DATA Symbol Rthj-case Rthj-amb Parameter Thermal resistance junction-case Thermal resistance junction-ambient (MAX) (MAX) Value PowerSO-10TM PENTAWATT HV 1.12 1.12 62.5 62.5 Unit C/W C/W CONNECTION DIAGRAM (TOP VIEW) 5 BASE GND Vd INPUT DIAG 6 7 8 9 10 11 HVC 5 4 3 2 1 GND GND GND GND GND 4 3 2 1 DIAG INPUT HVC Vd GND PowerSO-10TM PENTAWATT HV PENTAWATT HV (011Y) PENTAWATT HV (012Y) PIN FUNCTION (PowerSO-10TM) No 1/5 Name GND BASE GND Vd INPUT DIAG HVC 6 7(*) 8 9 10 TAB Function Emitter power ground Darlington base Control ground Driving stage supply voltage Logic input channel Diagnostic output signal Primary coil output signal (*) Pin 1/5=Power GND, Pin 7=signal GND. Pin 7 must be connected to pins 1/5 externally. PIN FUNCTION (PENTAWATT HV) No 1 Name GND Vd HVC INPUT DIAG 2 3 4 5 Function Emitter power ground Driving stage supply voltage Primary coil output signal Logic input channel Diagnostic output signal 2/10 1 VB029 / VB029SP / VB029(011Y) / VB029(012Y) ELECTRICAL CHARACTERISTICS (VCC=13.5V; Vd=5V; Tj=25C; Rcoil=510m; Lcoil=7mH unless otherwise specified) Symbol Vcl Vcg(sat)td Id(off) Id(on) Vd Icl VINH VINL IINH VdiagH VdiagL IC(diag1) IC(diag1)td IC(diag2) IC(diag2)td td(off) tf(off) td(diag) tr(diag) tf(diag) Ith Es/b Parameter High voltage clamp Power stage saturation voltage derating in temperature Power-off supply current Power-on supply current Driving stage supply voltage Collector current limit High level input voltage Low level input voltage High level input current High level diagnostic output voltage Low level diagnostic output voltage First threshold level collector current First threshold level collector current drift with temperature Second threshold level collector current Second threshold level collector current drift with temperature Turn-off delay time of output current Turn-off fall time of output current Delay time of diagnostic current Turn-on rise time of diagnostic current Turn-off fall time of diagnostic current Thermal flag shift on first threshold Single pulse avalanche energy Test Conditions -40CTj125C; IC=6A IC=7.6A; VIN=4V; -40CT j80C IC=7.6A; VIN=4V; 80CTj125C VIN=0.4V VIN=4V; IC=7.6A; -40CT j125C 4.5 VIN=4V; -40CTj125C; (See note 1) 4 0 VIN=4V REXT=22K (See figure 1) REXT=22K (See figure 1) 2.15 (See figure 3) 6.1 (See figure 4) IC=6A (See note 2) IC=6A REXT=22K (See figure 1) REXT=22K (See figure 1) REXT=22K (See figure 1) T j>125C (**) 1 300 25 8 1 1 1 s s s s s A mJ 6.5 6.9 A 2.5 3.5 (*) Min 320 Typ 360 Max 420 2.5 2.8 10 230 5.5 12 5.5 0.8 200 Vd 0.5 2.85 Unit V V V mA mA V A V V A V V A Note 1: the primary coil current value Icl must be measured 1ms after desaturation of the power stage. Note 2: time from input switching VNEG until collector voltage equal to 200V. (*) Vd - Vbe(on) (**) This thermal flag shift cannot be activated for lower than 125C. 3/10 1 VB029 / VB029SP / VB029(011Y) / VB029(012Y) PRINCIPLE OF OPERATION THERMAL BEHAVIOUR You can see in the block diagram of the VB029, VB029SP, VB029(011Y) VB029(012Y) a box called overtemperature protection. The purpose of this circuit is to shift the current level at which the first diagnostic is activated down of about 1A. This information can be managed by the micro that can take the corrective action in order to reduce the power dissipation. This block is not an effective protection but just an overtemperature detection. The shift down of the first flag level cannot be present for temperatures lower than 125C. As an example of its behavior you can suppose a very simple motor management system in which the micro does just a simple arithmetic calculation to decide when to switch-off the device after the first flag threshold. EXAMPLE: IC(DIAG1) info after x ms (IC(DIAG1)=2.5A) Iswitch-off info after kx ms. As soon as the temperature rises over the overtemp threshold, the first diagnostic is shifted down to about 1.5A and, in this example, the switch-off current will be kx*1.5 / 2.5. OVERVOLTAGE The VB029, VB029SP, VB029(011Y) VB029(012Y) can withstand the following transients of the battery line: -100V / 2ms (Ri=10) +100V / 0.2ms (Ri=10) +50V / 400ms (Ri=4.2 , with VIN=3V) VB029, VB029SP, VB029(011Y) VB029(012Y) are mainly intended as high voltage The power switch device driven by a logic level input and interfaces directly to a high energy electronic ignition coil. The input VIN of the VB029, VB029SP, VB029(011Y) VB029(012Y) are fed from a low power signal VB029, VB029SP, VB029(011Y) VB029(012Y) increase current in the coil to the desired, internally set current level. When the collector current exceeds 4.5A, the diagnostic signal is turned high and it remains so, until the load current reaches 5.8A (second threshold). At that value, the diagnostic signal is turned low, and the C forces the VIN to the low state. During the coil current switch-off, the primary voltage HVC is clamped by a series of Zener diodes at an internally set value Vcl, typically 360V. The collector current sensed through the Rsense, is limited thanks to the "Current limiter" block that, as soon as the Icl level is reached, forces the darlington (using the "Driver" block) to limit the current provided. The transition from saturation to desaturation, coil current limiting phase, must have the ability to accommodate an overvoltage. A maximum overshoot of 20V is allowed. There can be some short period of time in which the output pin (HVC) is pulled below ground by a negative current due to leakage inductances and stray capacitances of the ignition coil. This can cause parasitic glitches on the diagnostic output. VB029, VB029SP, VB029(011Y) VB029(012Y) have a built-in protection circuit that allows to lock the p-buried layer potential of the linear stage to the collector power, when the last one is pulled underground. FIGURE 1: Application circuit generated by an external controller that determines both dwell time and ignition point. During VIN high (4V) the 4/10 1 VB029 / VB029SP / VB029(011Y) / VB029(012Y) FIGURE 2: Switching waveform VIN 2nd Threshold 1 st Threshold Icl DIAG FIGURE 3: Maximum IC(diag1) VS temperature FIGURE 4: IC(diag2) VS temperature FIGURE 5: Typical Vcg(sat) VS temperature (Vd=4.5V) V cg(sat) (V) FIGURE 6: Typical Icl VS temperature Icl (A) 1.6 11.5 1.5 10.5 1.4 9.5 1.3 -40 0 40 80 120 8.5 -40 0 40 80 Tcase (C) 120 Tcase (C) 5/10 1 VB029 / VB029SP / VB029(011Y) / VB029(012Y) PowerSO-10TM MECHANICAL DATA DIM. A A1 B c D D1 E E1 E2 E3 E4 e F H h Q 0 1.25 13.80 0.50 1.70 8 mm. MIN. 3.35 0.00 0.40 0.35 9.40 7.40 9.30 7.20 7.20 6.10 5.90 1.27 1.35 14.40 0.049 0.543 0.002 0.067 TYP MAX. 3.65 0.10 0.60 0.55 9.60 7.60 9.50 7.40 7.60 6.35 6.10 MIN. 0.132 0.000 0.016 0.013 0.370 0.291 0.366 0.283 0.283 0.240 0.232 0.050 0.053 0.567 inch TYP. MAX. 0.144 0.004 0.024 0.022 0.378 0.300 0.374 0.291 300 0.250 0.240 B 0.10 A B 10 = H = A F A1 = 6 = = = E = 1 5 = E2 E3 E1 E4 = = A = SEATING PLANE DETAIL "A" e 0.25 M B C Q D h = = D1 = = SEATING PLANE = A1 L DETAIL "A" 6/10 1 VB029 / VB029SP / VB029(011Y) / VB029(012Y) PENTAWATT HV MECHANICAL DATA DIM. A C D E F G1 G2 H1 H2 H3 L L1 L2 L3 L5 L6 L7 M M1 R V4 Diam 3.65 3.85 15.60 14.60 21.20 22.20 2.60 15.10 6 2.50 4.50 0.50 90 (typ) 0.144 0.152 10.05 mm. MIN. 4.30 1.17 2.40 0.35 0.60 4.91 7.49 9.30 TYP MAX. 4.80 1.37 2.80 0.55 0.80 5.21 7.80 9.70 10.40 10.40 17.30 15.22 21.85 22.82 3 15.80 6.60 3.10 5.60 6.14 0.575 0.835 0.874 0.102 0.594 0.236 0.098 0.177 0.02 0.396 MIN. 0.169 0.046 0.094 0.014 0.024 0.193 0.295 0.366 inch TYP. MAX. 0.189 0.054 0.11 0.022 0.031 0.205 0.307 0.382 0.409 0.409 0.681 0.599 0.860 0.898 0.118 0.622 0.260 0.122 0.220 P023H3 7/10 1 VB029 / VB029SP / VB029(011Y) / VB029(012Y) PENTAWATT HV 011Y (horizontal) MECHANICAL DATA DIM. A C D E F G1 G2 H1 H2 H3 L1 L2 L3 L5 L6 L7 R V2 V4 DIA 3.65 3.85 3.90 15.10 4.80 2.60 15.10 6.00 0.5 30 (typ) 90 (typ) 0.144 0.152 10.05 mm. MIN. 4.30 1.17 2.40 0.35 0.60 4.91 7.49 9.30 TYP MAX. 4.80 1.37 2.80 0.55 0.80 5.21 7.80 9.70 10.40 10.40 4.50 16.10 5.40 3.00 15.80 6.60 0.154 0.594 0.189 0.102 0.594 0.236 0.396 MIN. 0.169 0.046 0.094 0.014 0.024 0.193 0.295 0.366 inch TYP. MAX. 0.189 0.054 0.11 0.022 0.031 0.205 0.307 0.382 0.409 0.409 0.177 0.634 0.213 0.118 0.622 0.26 P023H1 8/10 1 1 VB029 / VB029SP / VB029(011Y) / VB029(012Y) PENTAWATT HV 012Y (in line) MECHANICAL DATA DIM. A A1 b b1 c c1 D D1 e e1 E L L1 P S mm. MIN. 4.3 2.5 0.6 0.75 0.35 1.22 9 15.2 2.44 3.71 10 22.32 25.1 3.65 2.55 TYP MAX. 4.8 3.1 0.8 0.9 0.55 1.42 9.35 15.8 2.64 3.91 10.4 22.92 25.7 3.95 3.05 MIN. 0.169 0.098 0.024 0.03 0.014 0.048 0.354 0.598 0.096 0.146 0.394 0.879 0.988 0.144 0.1 inch TYP. MAX. 0.189 0.122 0.031 0.035 0.022 0.056 0.368 0.622 0.104 0.154 0.409 0.902 1.012 0.156 0.12 E P S A c1 D1 D L L1 b1 e e1 b A1 c P010P 9/10 1 1 VB029 / VB029SP / VB029(011Y) / VB029(012Y) Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 1999 STMicroelectronics - Printed in ITALY- All Rights Reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco The Netherlands- Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. http://www.st.co m 10/10 1 |
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