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| VND10B DOUBLE CHANNEL HIGH SIDE SMART POWER SOLID STATE RELAY Table 1. General Features Type VND10B VDSS 40 V RDS(on) 0.1 In(1) 3.4 A VCC 26 V Figure 1. Package Note: 1. In= Nominal current according to ISO definition for high side automotive switch. The Nominal Current is the current at Tc = 85 C for battery voltage of 13V which produces a voltage drop of 0.5 V. OUTPUT CURRENT (CONTINUOUS): 14 A @ Tc=85C PER CHANNEL 5V LOGIC LEVEL COMPATIBLE INPUT THERMAL SHUT-DOWN UNDER VOLTAGE PROTECTION OPEN DRAIN DIAGNOSTIC OUTPUT INDUCTIVE LOAD FAST DEMAGNETIZATION VERY LOW STAND-BY POWER DISSIPATION PENTAWATT (vertical) PENTAWATT (horizontal) DESCRIPTION The VND10B is a monolithic device made using STMicroelectronics VIPower Technology, intended for driving resistive or inductive loads with one side grounded. This device has two channels, and a common diagnostic. Built-in thermal shut-down protects the chip from over temperature and short circuit. The status output provides an indication of open load in on state, open load in off state, overtemperature conditions and stuck-on to VCC. Table 2. Order Codes Package PENTAWATT Vert. PENTAWATT Hor. PENTAWATT In line Tube VND10B VND10B(011Y) VND10B(012Y) PENTAWATT (in-line) Tape and Reel - - - REV. 2 June 2004 1/13 VND10B Figure 2. Block Diagram Table 3. Absolute Maximum Ratings Symbol V(BR)DSS IOUT IOUT(RMS) IR IIN - VCC ISTAT VESD Ptot Tj Tstg Parameter Drain-Source Breakdown Voltage Output Current (cont.) at Tc = 85 C RMS Output Current at Tc = 85 C Reverse Output Current at Tc = 85 C Input Current Reverse Supply Voltage Status Current Electrostatic Discharge (1.5 k; 100 pF) Power Dissipation at Tc = 25 C Junction Operating Temperature Storage Temperature Value 40 14 14 -14 10 -4 10 2000 75 -40 to 150 -55 to 150 Unit V A A A mA V mA V W C C 2/13 VND10B Figure 3. Connection Diagram Figure 4. Current and Voltage Conventions Table 4. Thermal Data Symbol Rthj-case Rthj-amb Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max Max Value 1.65 60 Unit C/W C/W 3/13 VND10B ELECTRICAL CHARACTERISTICS (8 < VCC < 16 V; -40 Tj 125 C unless otherwise specified) Table 5. Power Symbol VCC In(2) Ron IS VDS(MAX) Ri Parameter Supply Voltage Nominal Current On State Resistance Supply Current Maximum Voltage Drop Output to GND internal Impedance Tc = 85 C; VDS(on) 0.5; VCC = 13 V IOUT = In; VCC = 13 V; Tj = 25 C Off State; Tj = 25 C; VCC = 13 V IOUT = 13 A; Tj = 85 C; VCC = 13 V Tj = 25 C 1.2 5 10 Test Conditions Min. 6 3.4 0.065 35 Typ. 13 Max. 26 5.2 0.1 100 2 20 Unit V A A V K Note: 2. In= Nominal current according to ISO definition for high side automotive switch. The Nominal Current is the current at Tc = 85 C for battery voltage of 13V which produces a voltage drop of 0.5 V. Table 6. Switching Symbol td(on)(3) tr(3) td(off)(3) tf(3) (di/dt)on (di/dt)off Parameter Turn-on Delay Time Of Output Current Rise Time Of Output Current Turn-off Delay Time Of Output Current Fall Time Of Output Current Turn-on Current Slope Turn-off Current Slope Test Conditions ROUT = 2.7 ROUT = 2.7 ROUT = 2.7 ROUT = 2.7 ROUT = 2.7 ROUT = 2.7 Min. 5 28 10 28 0.003 0.005 Typ. 35 110 140 75 Max. 200 360 500 360 0.1 0.1 Unit s s s s A/s A/s Note: 3. See Switching Time Waveforms. Table 7. Logic Input Symbol VIL VIH VI(hyst) IIN VICL Parameter Input Low Level Voltage Input High Level Voltage Input Hysteresis Voltage Input Current Input Clamp Voltage VIN = 5 V; Tj = 25 C IIN = 10 mA IIN = -10 mA 5 3.5 0.2 0.9 30 6 -0.7 Test Conditions Min. Typ. Max. 1.5 Note 4 1.5 100 7 Unit V V V A V V Note: 4. The VIH is internally clamped at 6V about. It is possible to connect this pin to an higher voltage via an external resistor calculated to not exceed 10 mA at the input pin. 4/13 VND10B ELECTRICAL CHARACTERISTICS (cont'd) Table 8. Protection and Diagnostics Symbol VSTAT VUSD VSCL TTSD TSD(hyst.) TR VOL(5) IOL tpovl (6) Parameter Status Voltage Output Low Under Voltage Shut Down Status Clamp Voltage Thermal Shut-down Temperature Thermal Shut-down Hysteresis Reset Temperature Open Voltage Level Open Load Current Level Status Delay Status Delay Off-State Test Conditions ISTAT = 1.6 mA Min. Typ. Max. 0.4 Unit V V V V C C C 3.5 ISTAT = 10 mA ISTAT = -10 mA 5 140 4.5 6 -0.7 160 6 7 180 50 125 2.5 0.6 4 0.9 5 50 500 5 1.4 10 2500 V A s s tpol(6) Note: 5. IOL(off) = (VCC -VOL)/ROL (see figure 5) 6. tpovl tpol: ISO definition (see figure 6). Figure 5. Note 5 relevant figure Figure 6. Note 6 relevant figure 5/13 VND10B Figure 7. Switching Time Waveforms FUNCTIONAL DESCRIPTION The device has a common diagnostic output for both channels which indicates open load in onstate, open load in off-state, over temperature conditions and stuck-on to VCC. From the falling edge of the input signal, the status output, initially low to signal a fault condition (overtemperature or open load on-state), will go back to a high state with a different delay in case of overtemperature (tpovl) and in case of open open load (tpol) respectively. This feature allows to discriminate the nature of the detected fault. To protect the device against short circuit and over current condition, the thermal protection turns the integrated Power MOS off at a minimum junction temperature of 140 C. When this temperature returns to 125 C the switch is automatically turned on again. In short circuit the protection reacts with virtually no delay, the sensor (one for each channel) being located inside each of the two Power MOS areas. This positioning allows the device to operate with one channel in automatic thermal cycling and the other one on a normal load. An internal function of the devices ensures the fast demagnetization of inductive loads with a typical voltage (Vdemag) of -18V. This function allows to greatly reduces the power dissipation according to the formula: Pdem = 0.5 * Lload * (Iload)2 * [(VCC+Vdemag)/ Vdemag] * f where f = switching frequency and Vdemag = demagnetization voltage The maximum inductance which causes the chip temperature to reach the shut-down temperature in a specified thermal environment is a function of the load current for a fixed VCC, Vdemag and f according to the above formula. In this device if the GND pin is disconnected, with VCC not exceeding 16V, both channel will switch off. PROTECTING THE DEVICE AGAINST REVERSE BATTERY The simplest way to protect the device against a continuous reverse battery voltage (-26V) is to insert a Schottky diode between pin 1(GND) and ground, as shown in the typical application circuit (Figure 9). The consequences of the voltage drop across this diode are as follows: - If the input is pulled to power GND, a negative voltage of -Vf is seen by the device. (VIL, VIH thresholds and VSTAT are increased by Vf with respect to power GND). - The undervoltage shutdown level is increased by Vf. If there is no need for the control unit to handle external analog signals referred to the power GND, the best approach is to connect the reference potential of the control unit to node [1] (see application circuit in Figure 10), which becomes the common signal GND for the whole control board avoiding shift of VIH, VIL and VSTAT. This solution allows the use of a standard diode. 6/13 VND10B Table 9. Truth Table Input 1 Normal Operation L H L H X Channel 1 Channel 2 Open Load Channel 1 Channel 2 Output Shorted to VCC Channel 1 Channel 2 Note: 7. With additional external resistor. Input 2 L H H L X X H X L H L X L H L Output 1 L H L H L L X H L X L H H X L Output 2 L H H L L X L X L H L X L H H Diagnostic H H H H H L L L L(7) L L(7) L L L L Under voltage Thermal Shutdown H X H L X L H L X L Figure 8. Waveforms 7/13 VND10B Figure 9. Typical Application Circuit With A Schottky Diode For Reverse Supply Protection Figure 10. Typical Application Circuit With Separate Signal Ground 8/13 VND10B PACKAGE MECHANICAL Table 10. PENTAWATT (vertical) Mechanical Data Symbol A C D D1 E F F1 G G1 H2 H3 L2 L3 L5 L6 L7 Dia. 10.05 23.05 25.3 2.6 15.1 6 3.65 23.4 25.65 2.4 1.2 0.35 0.8 1 3.2 6.6 3.4 6.8 millimeters Min Typ Max 4.8 1.37 2.8 1.35 0.55 1.05 1.4 3.6 7 10.4 10.4 23.8 26.1 3 15.8 6.6 3.85 Figure 11. PENTAWATT (vertical) Package Dimensions Note: Drawing is not to scale. 9/13 VND10B Table 11. PENTAWATT (horizontal) Mechanical Data Symbol A C D D1 E F F1 G G1 H2 H3 L L1 L2 L3 L5 L6 L7 Dia. 10.05 14.2 5.7 14.6 3.5 2.6 15.1 6 3.65 2.4 1.2 0.35 0.8 1 3.2 6.6 3.4 6.8 millimeters Min Typ Max 4.8 1.37 2.8 1.35 0.55 1.05 1.4 3.6 7 10.4 10.4 15 6.2 15.2 4.1 3 15.8 6.6 3.85 Figure 12. PENTAWATT (horizontal) Package Dimensions Note: Drawing is not to scale. 10/13 VND10B Table 12. PENTAWATT (in-line) Mechanical Data Symbol A C D D1 E F F1 G G1 H2 H3 L2 L3 L5 L6 L7 Dia. 10.05 23.05 25.3 2.6 15.1 6 3.65 23.4 25.65 2.4 1.2 0.35 0.8 1 3.2 6.6 3.4 6.8 millimeters Min Typ Max 4.8 1.37 2.8 1.35 0.55 1.05 1.4 3.6 7 10.4 10.4 23.8 26.1 3 15.8 6.6 3.85 Figure 13. PENTAWATT (in-line) Package Dimensions Note: Drawing is not to scale. 11/13 VND10B REVISION HISTORY Table 13. Revision History Date September-1994 18-June-2004 Revision 1 2 First Issue Stylesheet update. No content change. Description of Changes 12/13 VND10B 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 result 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. All other names are the property of their respective owners (c) 2004 STMicroelectronics - All rights reserved STMicroelectronics GROUP OF COMPANIES Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States www.st.com 13/13 |
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