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CA3282AS2

更新时间： 2024-09-30 22:50:27
品牌 Logo 应用领域
英特矽尔 - INTERSIL 驱动器接口集成电路局域网
页数 文件大小 规格书
10页 69K
描述
Octal Low Side Power Driver with Serial Bus Control

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CA3282AS2 数据手册

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CA3282  
Octal Low Side Power Driver  
with Serial Bus Control  
June 1998  
Features  
Description  
• Output Current Drive Capability  
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 over-volt-  
age and over-current. Each output channel has separate  
output latch control with fault unlatch and diagnostic feed-  
back. 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 respec-  
tive output driver is unlatched. In addition, over current pro-  
tection is provided with current limiting in each output,  
independent of the diagnostic feedback loop.  
- 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 I  
Current . . . . . . . . . . . . . . . . . 5mA  
DD  
- SPI Bus Controlled Interface  
- Individual Fault Unlatch and Feedback  
- Common Reset Line  
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 volt-  
age, and high output current at high temperatures is required.  
o
o
• Operating Temperature Range . . . . . . . -40 C to 125 C  
Applications  
The CA3282 is supplied in 15 lead plastic SIP package with  
lead forms for either vertical or surface mount.  
• Automotive and Industrial Systems  
• Solenoids, Relays and Lamp Drivers  
• Logic and µP Controlled Drivers  
• Robotic Controls  
Ordering Information  
PART  
NUMBER  
TEMP.  
RANGE( C)  
PACKAGE AND  
LEAD FORM  
PKG  
NO.  
o
CA3282AS1  
CA3282AS2  
-40 to 125  
15 Ld Plastic SIP  
Staggered Vertical  
Z15.05A  
Z15.05B  
-40 to 125  
15 Ld Plastic SIP  
Surface Mount  
Pinout  
Block Diagram  
OUTPUT #0  
(1 OF 8)  
CA3282 (SIP)  
TOP VIEW  
15  
14  
13  
12  
11  
10  
9
8
7
6
5
OUTPUT 4  
OUTPUT 5  
OUTPUT 6  
OUTPUT 7  
RESET  
OUTPUT  
LATCH  
SHIFT  
REGISTER  
NOTE:  
MOSI  
SCK  
HEAT SINK TAB  
INTERNALLY  
CONNECTED TO  
V
MISO  
DD  
CURRENT  
LIMIT  
V
SS  
MISO  
CE  
MOSI  
GROUND (V  
)
SS  
SCK  
CE  
4
3
2
1
OUTPUT 0  
OUTPUT 1  
OUTPUT 2  
OUTPUT 3  
RESET  
CONTROL  
LOGIC  
DIAGNOSTIC  
CIRCUITRY  
TO DRIVERS  
1 THRU 7  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999  
File Number 2767.6  
1
1234567...10

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