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CA3282 Dataheets PDF



Part Number CA3282
Manufacturers Intersil Corporation
Logo Intersil Corporation
Description Octal Low Side Power Driver with Serial Bus Control
Datasheet CA3282 DatasheetCA3282 Datasheet (PDF)

TM CA3282 Octal Low Side Power Driver with Serial Bus Control Description The CA3282 is a logic controlled, eight channel octal power driven. The serial peripheral interface (SPI) utilized by the CA3282 is a serial synchronous bus compatible with Intersil CDP68HC05, or equivalent, microcomputers. As shown in the Block Diagram for the CA3282 each of the open drain NDMOS output drivers has individual protection for overvoltage and over-current. Each output channel has separate output latch contro.

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TM CA3282 Octal Low Side Power Driver with Serial Bus Control Description The CA3282 is a logic controlled, eight channel octal power driven. The serial peripheral interface (SPI) utilized by the CA3282 is a serial synchronous bus compatible with Intersil CDP68HC05, or equivalent, microcomputers. As shown in the Block Diagram for the CA3282 each of the open drain NDMOS output drivers has individual protection for overvoltage and over-current. Each output channel has separate output latch control with fault unlatch and diagnostic feedback. Under normal ON conditions, each output driver is in a low, saturation state. Comparators in the diagnostic circuitry monitor the output drivers to determine if an out of saturation condition exists. If a comparator senses a fault, the respective output driver is unlatched. In addition, over current protection is provided with current limiting in each output, independent of the diagnostic feedback loop. The CA3282 is fabricated in a Power BiMOS IC process, and is intended for use in automotive and other applications having a wide range of temperature and electrical stress conditions. It is particularly suited for driving lamps, relays, and solenoids in applications where low operating power, high breakdown voltage, and high output current at high temperatures is required. The CA3282 is supplied in 15 lead plastic SIP package with lead forms for either vertical or surface mount. June 1998 Features • Output Current Drive Capability - All Outputs ON, Equal . . . . . . . . . . . . . . 0.625A Each - Per Output Individually . . . . . . . . . . . . . . . . . 1A Each - Maximum Total of Outputs ON . . . . . . . . . . . . . . . . 5A • High Voltage Power BiMOS Outputs - 8 Open Drain NDMOS Drivers - Individual Output Latch - Over-Current Limit Protection . . . . . . . . . . . . . 1.05A - Over-Voltage Clamp Protection . . . . . . . . . . . . . . 30V • High Speed CMOS Logic Control - Low Quiescent IDD Current . . . . . . . . . . . . . . . . . 5mA - SPI Bus Controlled Interface - Individual Fault Unlatch and Feedback - Common Reset Line • Operating Temperature Range . . . . . . . -40oC to 125oC Applications • Automotive and Industrial Systems • Solenoids, Relays and Lamp Drivers • Logic and µP Controlled Drivers • Robotic Controls Pinout w NOTE: HEAT SINK TAB INTERNALLY CONNECTED TO GROUND (VSS) w w .D 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 t a S a e h t e U 4 .c m o Ordering Information PART NUMBER CA3282AS1 CA3282AS2 TEMP. RANGE(oC) -40 to 125 -40 to 125 PACKAGE AND LEAD FORM 15 Ld Plastic SIP Staggered Vertical 15 Ld Plastic SIP Surface Mount PKG NO. Z15.05A Z15.05B Block Diagram OUTPUT #0 (1 OF 8) OUTPUT 4 OUTPUT 5 OUTPUT 6 OUTPUT 7 RESET VDD MISO VSS MOSI SCK CE CA3282 (SIP) TOP VIEW SPI INTERFACE CIRCUIT MOSI SCK MISO CE RESET SHIFT REGISTER OUTPUT LATCH CURRENT OUTPUT 0 OUTPUT 1 OUTPUT 2 OUTPUT 3 CONTROL LOGIC DIAGNOSTIC CIRCUITRY TO DRIVERS 1 THRU 7 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a trademark of Intersil Americas Inc. Copyright © Intersil Americas Inc. 2002. All Rights Reserved w w w .D at h S a LIMIT t e e 4U . m o c File Number 2767.6 1 CA3282 Absolute Maximum Ratings Output Voltage, VO (Note 1) . . . . . . . . . . . . . . . . . . . . . VOC (Clamp) Output Load Current, ILOAD (Per Output, Individual) . . . . . . . . . 1A Output Load Current, ILOAD (All 8 Outputs ON, Equal IOUT) . . . . . 0.625A Output Load Current, ILOAD (Max. Total of Outputs ON) . . . . 5.0A DC Logic Supply, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.7 to +7V Thermal Information Thermal Resistance (Typical, Note 2) Plastic SIP No Heat Sink . . . . . . . . . . . . . . . . . . . Infinite Heat Sink . . . . . . . . . . . . . . . . . Power Dissipation θJA(oC/W) 45 N/A θJC(oC/W) N/A 3 Operating Conditions Ambient Temperature Range . . . . . . . . . . . . . . . . . -40oC to 125oC Junction Temperature Range . . . . . . . . . . . . . . . . . -40oC to 150oC Up to 125oC w/o Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . 0.56W Above 125oC w/o Heat Sink . . . . . . .Derate Linearly at 22mW/oC Up to 125oC w/Infinite Heat Sink. . . . . . . . . . . . . . . . . . . . 8.33W Above 125oC w/Infinite Heat Sink . . . Derate Linearly at 333mW/oC Maximum Storage Temperature Range . . . . . . . . . -55oC to 150oC Maximum Lead Temperature (Soldering, 10s). . . . . . . . . . . . . . . 265oC CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. NOTES: 1. The MOSFET Output Drain is internally clamped with a Drain-to-Gate.


CA3280A CA3282 MDLS24265


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