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CS452GT5 2.4A/4.4A injector solenoid driver Cherry-Semiconductor
Cherry semiconductor Cherry-Semiconductor
CS452GT5 Datasheet PDF : 5 Pages
1 2 3 4 5
CS452/453
2.4A/4.4A Injector Solenoid Driver
Description
The CS452/453 is a monolithic inte-
grated circuit designed for medium
current solenoid driver applica-
tions. Its typical function is to sup-
ply full battery voltage to fuel injec-
tor(s) for rapid current rise, in order
to produce positive injector open-
ing.
When load current reaches a preset
level (2.4A for CS452, or 4.4A for
CS453), the injector driver reduces
the load current by a 4:1 ratio and
operates as a constant current
source. This condition holds the
injector open and reduces system
power dissipation.
Other solenoid or relay applications
can be equally well served by the
CS452/453. Two high impedance
inputs are provided which permit a
variety of control options and can
be driven by TTL or CMOS logic.
Absolute Maximum Ratings
Power Supply Voltage (VCC) .........................................................................24V
VIN..........................................................................................................-6.0 to 24V
Control ..................................................................................................-6.0 to 24V
Peak Transient Voltage (46V Load Dump)..................................................60V
Internal Regulator Current.........................................................................50mA
Junction Temperature Range....................................................-40¡C to +150¡C
Operating Temperature Range (Tab Temperature) ..............-40¡C to +125¡C
Storage Temperature Range .....................................................-65¡C to +150¡C
Lead Temperature Soldering
Wave Solder (through hole styles only)...10 sec. max, 260¡C peak
Typical Application Diagram
Features
s Microprocessor
Compatible Inputs
s On-Chip Power Device
2.4A Peak, Typical CS-452
4.4A Peak, Typical CS453
s Low Thermal Resistance
To Grounded Tab
s 60V Peak Transient
Voltage
s Low Saturation Voltage
s Operates Over a 4.5V to
24V Battery Range
Package Options
5 Lead TO-220
Tab (Gnd)
19kW
300W
VIN
1kW
VCC
VIN
OUT
CS452/453
CONTROL
Gnd
IOUT
Injector
40VZ (max)
VBAT
4.5V to 24V
(60V Transient)
1 VIN
1
2 CONTROL
3 Gnd
4 OUT
5 VCC
Rev. 12/18/97
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Email: info@cherry-semi.com
Web Site: www.cherry-semi.com
1
A
¨ Company
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