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Part Name(s) : CS452GT5 CS452GTHA5 CS452GTVA5 CS453GT5 CS453GTHA5 CS453GTVA5 CS452 CS453 Cherry-Semiconductor
Cherry semiconductor
Description : 2.4A/4.4A INJECTOR SOLENOID DRIVER View

Description
The CS452/453 is a monolithic integrated circuit designed for medium current SOLENOID DRIVER applications. Its typical function is to supply full battery voltage to fuel INJECTOR(s) for rapid current rise, in order to produce positive INJECTOR opening.
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.

Features
■ Microprocessor Compatible Inputs
■ On-Chip Power Device
   2.4A Peak, Typical CS-452
   4.4A Peak, Typical CS453
■ Low Thermal Resistance To Grounded Tab
■ 60V Peak Transient Voltage
■ Low Saturation Voltage
■ Operates Over a 4.5V to 24V Battery Range

Part Name(s) : LM1949 LM1949M LM1949N National-Semiconductor
National ->Texas Instruments
Description : INJECTOR Drive Controller View

General Description
The LM1949 linear integrated circuit serves as an excellent control of fuel INJECTOR drive circuitry in modern automotive systems. The IC is designed to control an external power NPN Darlington transistor that drives the high current INJECTOR SOLENOID. The current required to open a SOLENOID is several times greater than the current necessary to merely hold it open; therefore, the LM1949, by directly sensing the actual SOLENOID current, initially saturates the DRIVER until the ‘‘peak’’ INJECTOR current is four times that of the idle or ‘‘holding’’ current (Figure 3–Figure 7). This guarantees opening of the INJECTOR. The current is then automatically reduced to the sufficient holding level for the duration of the input pulse. In this way, the total power consumed by the system is dramatically reduced. Also, a higher degree of correlation of fuel to the input voltage pulse (or duty cycle) is achieved, since opening and closing delays of the SOLENOID will be reduced.
Normally powered from a 5V g10% supply, the IC is typically operable over the entire temperature range (b55§C to a125§C ambient) with supplies as low as 3 volts. This is particularly useful under ‘‘cold crank’’ conditions when the battery voltage may drop low enough to deregulate the 5-volt power supply.
The LM1949 is available in the plastic miniDIP, (contact factory for other package options).

Features
■ Low voltage supply (3V–5.5V)
■ 22 mA output drive current
■ No RFI radiation
■ Adaptable to all INJECTOR current levels
■ Highly accurate operation
■ TTL/CMOS compatible input logic levels
■ Short circuit protection
■ High impedance input
■ Externally set holding current, IH
■ Internally set peak current (4 c IH)
■ Externally set time-out
■ Can be modified for full switching operation
■ Available in plastic 8-pin miniDIP

Applications
■ Fuel injection
■ Throttle body injection
SOLENOID controls
■ Air and fluid valves
■ DC motor drives

 

Part Name(s) : HA13492 Hitachi
Hitachi -> Renesas Electronics
Description : Quad SOLENOID DRIVER View

Quad SOLENOID DRIVER

Part Name(s) : HA13444 Hitachi
Hitachi -> Renesas Electronics
Description : Quad SOLENOID DRIVER View

Quad SOLENOID DRIVER


Part Name(s) : LB1931T SANYO
SANYO -> Panasonic
Description : Constant Current SOLENOID DRIVER IC for Digital Cameras View

Overview
The LB1931T is a DRIVER IC for SOLENOID coils that provide a constant current control function. The LB1931T features low-saturation output and a hold function, and is optimal for control of plunger shutters in digital cameras.

Functions and Features
• Constant current control (IO = 400 mA when Rf =  0.5 Ω)
• Ultraminiature package (MSOP8: 150 mil)
• Built-in thermal protection circuit
• Hold function
• Includes a rapid charge/rapid discharge circuit for stable shutter operation.
• Built-in reference voltage circuit (0.2 V typical)

Part Name(s) : L294 L294 ST-Microelectronics
STMicroelectronics
Description : SWITCH-MODE SOLENOID DRIVER View

DESCRIPTION
The L294 is a monolithic switched mode SOLENOID DRIVER designed for fast, high current applications such as hummer and needle driving in printers and electronic typewriters. Power dissipation is reduced by efficient switchmode operation. An extra feature of the L294 is a latched diagnostic output which indicates when the output is short circuited. The L294 is supplied in a 11-lead Multiwatt® plastic power package.

■ HIGH VOLTAGE OPERATION (UP TO 50V)
■ HIGH OUTPUT CURRENT CAPABILITY (UP TO 4A)
■ LOW SATURATION VOLTAGE
■ TTL-COMPATIBLE INPUT
■ OUTPUT SHORT CIRCUIT PROTECTION (TO GROUND, TO SUPPLY AND ACROSS THE LOAD)
■ THERMAL SHUTDOWN
■ OVERDRIVING PROTECTION
■ LATCHED DIAGNOSTIC OUTPUT

Part Name(s) : NTE1478 NTE-Electronic
NTE Electronics
Description : Integrated Circuit SOLENOID DRIVER & Signal Sensing Circuit View

Description:
The NTE1478 is an integrated circuit in a 10–Lead SIP type package that detects the stopping of a rotary signal and drives a plunger. It is designed for use in auto–reverse and auto–eject car stereo applications and can be used as a SOLENOID DRIVER in many other control circuits.

Features:
● Internal Output Power Transistor: 5A Load Current Capability
● Programmable Switch: Manual Operation Can be Obtained
● Pause Switch: Switching Pause (Switch ON), Plunger Does Not Operate Even if the Rotary Detective Signal Stops.
● Internal Load Dump Protector (Excessive Supply Voltage)
● Response Time and Driving Time are Variable with External Capacitors
● Input Sensitivity Voltage: 2VP–P Min
● Operating Supply Voltage Range: VCC = 9V to 18V

Part Name(s) : FDD3672 Fairchild
Fairchild Semiconductor
Description : N-Channel UltraFET Trench MOSFET 100V, 44A, 28m? View

Features
• rDS(ON) = 24mΩ (Typ.), VGS = 10V, ID = 44A
• Qg(tot) = 24nC (Typ.), VGS = 10V
• Low Miller Charge
• Low Qrr Body Diode
• Optimized efficiency at high frequencies
• UIS Capability (Single Pulse and Repetitive Pulse)
• Qualified to AEC Q101

Applications
• DC/DC converters and Off-Line UPS
• Distributed Power Architectures and VRMs
• Primary Switch for 24V and 48V Systems
• High Voltage Synchronous Rectifier
• Direct Injection / Diesel Injection System
• 42V Automotive Load Control
• Electronic Valve Train System

 

Part Name(s) : DRV102 DRV102F DRV102F/500 DRV102T BB
Burr-Brown -> Texas Instruments
Description : PWM SOLENOID/VALVE DRIVER View

DESCRIPTION
The DRV102 is a high-side power switch employing a pulse-width modulated (PWM) output. Its rugged design is optimized for driving electromechanical devices such as valves, SOLENOIDs, relays, actuators, and positioners. The DRV102 is also ideal for driving thermal devices such as heaters and lamps. PWM operation conserves power and reduces heat rise in the device, resulting in higher reliability. In addition, adjustable PWM allows fine control of the power delivered to the load. Time from dc output to PWM output is externally adjustable.

FEATURES
● HIGH OUTPUT DRIVE: 2.7A
● WIDE SUPPLY RANGE: +8V to +60V
● COMPLETE FUNCTION
   PWM Output
   Internal 24kHz Oscillator
   Digital Control Input
   Adjustable Delay and Duty Cycle
   Over/Under Current Indicator
● FULLY PROTECTED
   Thermal Shutdown with Indicator
   Internal Current Limit
● POWER PACKAGES: 7-Lead TO-220 and 7-Lead Surface-Mount DDPAK

APPLICATIONS
● ELECTROMECHANICAL DRIVER:
   SOLENOIDs Positioners
   Actuators High Power Relays/Contactors
   Valves Clutches/Brakes
SOLENOID OVERHEAT PROTECTORS
● FLUID AND GAS FLOW CONTROLLERS
● PART HANDLERS
● ELECTRICAL HEATERS/COOLERS
● MOTOR SPEED CONTROLLERS
● INDUSTRIAL CONTROL
● FACTORY AUTOMATION
● MEDICAL ANALYSIS
● PHOTOGRAPHIC PROCESSING

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