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Fairchild Semiconductor Electronic Components Datasheet

FDMS2380 Datasheet

Dual Integrated Solenoid Driver

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FDMS2380 pdf
August 2007
FDMS2380
Dual Integrated Solenoid Driver
Features
„ 5A, 60V Load Clamp
„ rDS(ON) = 30mΩ (Typ.) Excitation path
„ 6V to 26V Operation
„ CMOS Compatible
„ Soft Short Detection
„ Thermal Shutdown
„ Diagnostic Output
„ Integrated Clamps
„ Over-current Protection
„ Open Load Detection
„ Over-voltage Protection
Applications
„ Transmission Solenoid Driver
„ Inductive Load Management
General Description
The FDMS2380 is an intelligent low side driver with built in
recirculation and demagnetization circuits designed
specifically for driving inductive loads. The inputs are
CMOS compatible. A separate diagnostic signal for each
channel provides the system with an indication of the
operation of the solenoid or the presence of a protection
fault condition. Built-in Over-voltage, Over-current, Over-
temperature circuits protect the device from these
conditions. Additional diagnostic circuitry is included for
detecting Open Load, Under-voltage and output ground
fault conditions. The FDMS2380 contains two independent
intelligent low side solenoid drivers.
Pin 1
Power QFN
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Internal Logical Block Diagram (One of two Identical Channels)
VBATT
INA
INB
DIAG
Volt Regulator
& Over / Under
Voltage Detect
Control
Logic
Soft Short
&
Recirculation
Over Temp
Shutdown
Open Load
Detect
PDMOS
Driver
& Clamp
Diagnostic Control
&
Pulse Generation
Over
Current
Shutdown
NDMOS
Driver
Power
PDMOS
Recirculation
Device
OUT
Power
NDMOS
Excitation
Device
©2007 Fairchild Semiconductor Corporation
FDMS2380 Rev. A
1
GND
www.fairchildsemi.com


Fairchild Semiconductor Electronic Components Datasheet

FDMS2380 Datasheet

Dual Integrated Solenoid Driver

No Preview Available !

FDMS2380 pdf
Pin Assignment
OUT2 1
GND2 2
OUT2 3
VBATT 4
OUT1
DIAG1
INB1
INA1
OUT1
5
6
7
8
9
OUT2
VBATT
18 OUT2
17 INA2
16 INB2
15 DIAG2
14 OUT2
13 VBATT
12 OUT1
OUT1
11 GND1
TOP VIEW
10 OUT1
Pin Description
QFN Pin
1, 3, 14, 18, pad OUT2
2
4, 13, pad VBATT
5, 9, 10, 12, pad OUT1
6
7
8
11
15
16
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Pin Name
OUT2
GND2
VBATT
OUT1
DIAG1
INB1
INA1
GND1
DIAG2
INB2
INA2
Pin Description
Power Driver Output (Ch2)
Ground (Ch2)
Battery Supply Voltage. Battery supply is common to both channels
Power Driver Output (Ch1)
Diagnostic Flag (Ch1). Open drain output.
Input Control Signal B (Ch1)
Input Control Signal A (Ch1)
Ground (Ch1)
Diagnostic Flag (Ch2). Open drain output.
Input Control Signal B (Ch2)
Input Control Signal A (Ch2)
FDMS2380 Rev. A
2 www.fairchildsemi.com


Part Number FDMS2380
Description Dual Integrated Solenoid Driver
Maker Fairchild Semiconductor
Total Page 15 Pages
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FDMS2380 pdf
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