MC33293A Datasheet, PDF (1/16 Pages) Motorola, Inc – QUAD LOW SIDE SWITCH

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Advance Information
Quad Low Side Switch
The MC33293A is a single monolithic integrated circuit designed for quad
low side switching applications. This device was initially conceived as a quad
injector driver for use in the harsh automotive environment but is well suited
for many other applications. The MC33293A incorporates SMARTMOS™
technology having CMOS logic, bipolar and CMOS analog circuitry and
DMOS power MOSFETs. All of the device inputs are CMOS compatible. The
four output devices are N-channel power MOSFETs. A Fault detect output is
provided to flag the existence of open loads (outputs ON or OFF) or shorted
loads. If a short circuit is detected, the fault detect circuitry turns off the
shorted output, but allows the others to function normally. An overvoltage
(VPWR) condition will turn off all outputs for the overvoltage duration. Each
output functions independently and has a drain-to-gate diode clamp for
inductive flyback voltage protection. A Single/Dual select pin is incorporated
to allow either individual output control or control of a pair of outputs from one
input.
The MC33293A is parametrically specified over – 40°C ≤ TA ≤ 125°C
ambient temperature and a 9.0 V ≤ VPWR ≤ 14.5 V supply.
• Designed to Operate with Supply Voltages of 5.5 V to 30 V
• CMOS Compatible Inputs with Active Pull-Downs
• Maximum 5.0 mA Quiescent Current
• RDS(on) of 0.25 Ω Maximum at 25°C, with VPWR ≥ 9.0 V
• Each Output Clamped to 65 V for Driving Inductive Loads
• Each Output Current Limited at 3.0 A to handle Incandescent
Lamp Loads
• Active Low Output Fault Status with Interrogation Capability
• Open Load Detection (Output ON or OFF)
• Capable of Withstanding Reverse Battery
• Overvoltage Shutdown
• Short Circuit Detection and Shutdown with Automatic Retry
MC33293A
QUAD LOW SIDE SWITCH
(RDS(on) = 0.25 Ω Max per Output)
SEMICONDUCTOR
TECHNICAL DATA
1
T SUFFIX
PLASTIC PACKAGE
CASE 821D
1
TV SUFFIX
PLASTIC PACKAGE
CASE 821C
Device
MC33293AT
MC33293ATV
ORDERING INFORMATION
Operating
Temperature Range
TJ = –40° to +150°C
Package
15 Pin SIP
PIN CONNECTIONS
Pin 1. Output 2
2. Output 1
3. Input 1
4. Input 2
5. Input 1 & 2
6. Single/Dual
7. VPWR
8. Gnd
9. N/C
10.Fault
11. Input 3 & 4
12.Input 4
13.Input 3
14.Output 3
15.Output 4
This document contains information on a new product. Specifications and information herein
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© Motorola, Inc. 1996
Rev 0
1