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Motorola Semiconductors - DUAL HIGH-SIDE SWITCH

Numéro de référence MC33143
Description DUAL HIGH-SIDE SWITCH
Fabricant Motorola Semiconductors 
Logo Motorola Semiconductors 





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Dual High-Side Switch
MC33143
The MC33143 is a dual high–side switch designed for solenoid control in
harsh automotive applications, but is well suited for other environments. The
device can also be used to control small motors and relays as well as
solenoids. The MC33143 incorporates SMARTMOStechnology, with
CMOS logic, bipolar/MOS analog circuitry, and DMOS power outputs. An
internal charge pump is incorporated for efficient gate enhancement of the
internal high–side power output devices. The outputs are designed to
provide current to low impedance solenoids. The MC33143 provides
individual output fault status reporting along with internal Overcurrent and
Over Temperature protection. The device also has Overvoltage protection,
with automatic recovery, which “globally” disables both outputs for the
duration of an Overvoltage condition. Each output has individual Overcurrent
and Over Temperature shutdown with automatic retry recovery. Outputs are
enabled with a CMOS logic high signal applied to an input to providing true
logic control. The outputs, when turned on, provide full supply (battery)
voltage across the solenoid coil.
The MC33143 is packaged in an economical 24 pin surface mount power
package and specified over an operating voltage of 5.5 V VPwr < 26 V for
–40°C TA 125°C.
Designed to Operate Over Wide Supply Voltages of 5.5 V to 26 V
Dual High–Side Outputs Clamped to –10 V for Driving Inductive Loads
Internal Charge Pump for Enhanced Gate Drive
Interfaces Directly to a Microcontroller with Parallel Input Control
Outputs Current Limited to 3.0 A to 6.0 A for Driving Incandescent Loads
Chip Enable “Sleep Mode” for Power Conservation
Individual Output Status Reporting
Fault Interrupt Output for System Interrupt Use
Output ON or OFF Open Load Detection
Overvoltage Detection and Shutdown
Output Over Temperature Detection and Shutdown with Automatic Retry
Sustained Current Limit or Immediate Overcurrent Shutdown Output Modes
Output Short to Ground Detection and Shutdown with Automatic Retry
Output Short to VPwr Detection
SMARTMOS is a trademark of Motorola, Inc.
Simplified Application
VDD +VPwr
Battery
DUAL HIGH–SIDE
SWITCH
SEMICONDUCTOR
TECHNICAL DATA
24
1
DW SUFFIX
PLASTIC PACKAGE
CASE 751E
(SOP (16+4+4)L)
PIN CONNECTIONS
IN1 1
CEN 2
STAT1 3
VPwr 4
Gnd 5
Gnd 6
Gnd 7
Gnd 8
VPwr 9
STAT2 10
VDD 11
IN2 12
24 OUT1
23 INT
22 N/C
21 VPwr
20 Gnd
19 Gnd
18 Gnd
17 Gnd
16 VPwr
15 GTST
14 SFPD
13 OUT2
VDD P0
P1
P2
MCU P3
P4
IRQ
CEN (2)
IN1 (1)
IN2 (12)
STAT1 (13)
STAT2 (10)
INT (23)
MC33143
OUT1 (24)
OUT2 (13)
Gnd (Note)
NOTE: Pins 5, 6, 7, 8, 17, 18, 19 and 20 provide electrical ground and heatsinking.
This device contains 889 active transistors.
(Top View)
ORDERING INFORMATION
Device
Operating
Temperature Range Package
MC33143DW TA = – 40° to +125°C SOP–24L
This document contains information on a new product. Specifications and information herein
arMe sOubTjeOctRtoOcLhaAngAe NwiAthLouOt nGotiIcCe. DEVICE DATA
© Motorola, Inc. 1996
Rev 0
1

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