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| SI9200EY Vishay Siliconix CAN Bus Driver and Receiver FEATURES D Survives Ground Shorts and Transients on Multiplexed Bus in Automotive and Industrial Applications D Single Power Supply D Compatible with Intel 82526 CAN Controller D Direct Interface - No External Components Required D Automotive Temperature Range (-40 to 125_C) DESCRIPTION The SI9200EY is designed to interface between the Intel 82526 CAN controller and the physical bus to provide drive capability to the bus and differential receive capability to the controller. It is designed to absorb typical electrical transients on the bus which may occur in an automotive or industrial application, and protect itself against any abnormal bus conditions. The transmitter will be disabled during these conditions and will be re-enabled when the abnormal condition is cleared. The SI9200EY is built using the Siliconix BiC/DMOS process. This process supports CMOS, DMOS, and isolated bipolar transistors and uses an epitaxial layer to prevent latchup. The bus line pins are diode protected and can be driven beyond the VDD to ground range. The SI9200EY is offered in the space efficient 8-pin high-density surface-mount plastic package and is specified over the automotive temperature range (-40 to 125_C). PIN CONFIGURATION AND FUNCTIONAL BLOCK DIAGRAM VDD SO-8 TX GND VDD RX 1 2 3 4 Top View Order Number: 8 7 6 5 GND CAN_H CAN_L REF REF CAN_L Bus RX CAN_H SI9200EY TX GND Document Number: 70015 S-49717--Rev. B, 27-Sep-96 www.Vishay Siliconix.com S FaxBack 408-970-5600 1 SI9200EY Vishay Siliconix ABSOLUTE MAXIMUM RATINGSa Operating Temperature (TA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to 125_C Junction and Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . -55 to 150_C Voltage On Any Pin (Except CAN_H and CAN_L) with Respect to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to VDD +0.3 V Voltage On CAN_H and CAN_L with Respect to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -3 to +16 V Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to 12 V Continuous Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "100 mA Thermal Ratingsb: RQJA . . . . . . . . . . . . . . . . . . . . . . . . . 62.5_C/W (no airflow) Notes a. Extended exposure to the absolute maximum ratings or stresses beyond these ratings may affect device reliability or may cause permanent damage to the device. Functional operation at conditions other than the recommended operating conditions is not implied. b. Mounted on 1-IN2, FR4 PC Board. RECOMMENDED OPERATING CONDITIONS VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.75 to 5.25 V Bus Load Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 W SPECIFICATIONS Test Conditions p Unless Otherwise Specified Parameter Input TX Input Voltage High TX Input Voltage Low TX Input Current Low TX Input Current High VINH VINL IIL IIH TX = 0 V TX = VDD -50 -1.0 4 1 -2.0 1.0 V mA Limits TA = -40 to 125_C Symbol VDD = 4.75 to 5.25 V Minb Typa Maxb Unit Output VCAN_HR, VCAN_LR B Recessive i Bus R VDIF = VCAN_HR - VCAN_LR VCAN_HD VCAN_LD Bus Dominant BDi VDIF = VCAN_HD - VCAN_LD VREF TX = VINL, RL = 60 W 1.5 -25 mA v IREF v 25 mA IOUT = -10 mA Receive Output (Bus Recessive Conditions) VRXH TX = VINH -2.0 V v VCAN_H, VCAN_L v 7 V -1 V v VCAN_H - VCAN_L v _ _ 0.5 0 5 V (Bus Recessive) IOUT = -100 mA IOUT = -2 mA TX = VINH -0.8 V v VCAN H v 7 V CAN_H -2 V v VCAN_L v 5.8 V 0.9 0 9 V v VCAN H - VCAN L v 5 V (Bus CAN_H CAN_L Dominant) IOUT = 10 mA IOUT = 100 mA IOUT = 2 mA 5 5 TX = VINH (R i) (Recessive) 10 0.5 VDD -0.2 VDD -0.3 VDD -1 VDD -1.75 2 3 0.5 VDD +0.2 TX = VINH, RL = 1 -0.5 2.75 0.5 0 3.5 1.5 0.05 4.5 2.25 2 2.5 3 Reference Output 0.5 VDD VDD -0.05 VDD -0.2 VDD -1 0.05 0.2 1 V 0.3 1 1.75 50 50 100 50 pF kW Receive Output R i Ot t (Bus Dominant Conditions) VRXL Internal Resistance from Bus Pins RIN, BUS_L RIN, BUS_H RDIFF CIN (CAN_H, CAN_L) Internal Capacitance from Bus Pinsc www.Vishay Siliconix.com S FaxBack 408-970-5600 2 Document Number: 70015 S-49717--Rev. B, 27-Sep-96 SI9200EY Vishay Siliconix SPECIFICATIONS Test Conditions p Unless Otherwise Specified Parameter Dynamic Propagation Delay - TX to VDIFF High Propagation Delay - TX to VDIFF Low Propagation Delay - TX to Receive Low Propagation Delay - TX to Receive High tON-TX tOFF-TX tON-RX tOFF-RX 50 50 ns 120 120 Limits TA = -40 to 125_C Symbol VDD = 4.75 to 5.25 V Minb Typa Maxb Unit Supply Supply Current IDD TX = VINH, VDD = 5.25 V, RL= 60 W (Recessive) TX = VINL, VDD = 5.25 V, RL= 60 W (Dominant) 40 25 75 mA Transientc Electrostatic Discharge Human Body Model Bus Transient Voltage VESD VTRANS CL = 100 pF, RL = 1500 W MIL-STD-883D, Method 3015 RS = 1000 W, 1 msec -60 2000 60 V Protection Thermal Trip Pointc Thermal Hysteresisc TTRP THYS 150 10 165 20 180 30 _C Notes a. Typical values are for DESIGN AID ONLY at TA = 25_C, not guaranteed nor subject to production testing. b. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum. c. Guaranteed by design, not subject to production test. TRUTH TABLE TX Low High (or Floating) High (or Floating) Mode Transmit Transmit and Receive Receive Bus State Dominant Recessive Recessive CAN_H High Floating High CAN_L Low Floating Low RX Low High Low Document Number: 70015 S-49717--Rev. B, 27-Sep-96 www.Vishay Siliconix.com S FaxBack 408-970-5600 3 SI9200EY Vishay Siliconix SWITCHING TIME TEST CIRCUIT VDD TX tr, tf v 10 ns 5V 50% 0V TX CAN_H CL 100 pF VDIFF = VCAN_H - VCAN_L CAN_L 1V 30 pF tON-TX tOFF-TX RX VRX - VREF 0 100 mV 100 mV REF 30 pF tON-RX tOFF-RX RL = 60 W CIRCUIT SCHEMATIC VDD TX VDD 10 W CAN_H 120 W RX 1 Mbit CAN Bus 120 W Host Controller REF Fault CAN_L 10 W Current Limit Protection 2 Wire Twisted Pair (Shielded) Temp Sense Delay VREF GND www.Vishay Siliconix.com S FaxBack 408-970-5600 Document Number: 70015 S-49717--Rev. B, 27-Sep-96 4 |
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