MC33293A

SEMICONDUCTOR

TECHNICAL DATA

QUAD LOW SIDE SWITCH

(RDS(on) = 0.25 Ω Max per Output)

TV SUFFIX

PLASTIC PACKAGE

CASE 821C

PIN CONNECTIONS

Order this document by MC33293A/D

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

T SUFFIX

PLASTIC PACKAGE

CASE 821D

1

1

1

MOTOROLA ANALOG IC DEVICE DATA

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.

Lamp Loads

ORDERING INFORMATION

Device

Operating

Temperature Range

Package

MC33293AT

TJ = –40° to +150°C

15 Pin SIP

MC33293ATV

TJ = –40° to +150°C

15 Pin SIP

This document contains information on a new product. Specifications and information herein

are subject to change without notice.

© Motorola, Inc. 1996

Rev 0