MC33385 Datasheet, PDF (8/11 Pages) Motorola, Inc – Automotive Quad Low Side Driver

MC33385
Freescale Semiconductor, Inc.
This device is dedicated to automotive applications such as engine managements systems, automatic gear box... It
interfaces between the microcontroller and the actuors of the system.
The loads can be only resistive or resistive and inductive such as injectors, EGR valves...etc... Following is an example of
application schematic, see figure below.
Figure7- Typical Application
VBat
Voltage
Regulator
MCU
Loads
NCS
CLK
SDI
SDO
Vcc GND1
GND2
GND3
GND4
NRES
NON1
NON2
NON3
NON4
MC33385
OUT1
OUT2
OUT3
OUT4
47nF..150nF
PINS FUNCTION DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
GND2
OUT2
Function
NON2
SDI
CLK
NCS
NON4
OUT4
GND4
GND3
OUT3
NON3
Vcc
NRES
SDO
NON1
OUT1
GND1
Case
Description
Ground 2
Output Channel 2
NC
Input Control Signal for Channel 2
Serial Data Input
Clock Line for Serial Interface
Chip Select for Serial Interface
Input Control Signal for Channel 4
Output Channel 4
Ground 4
Ground 3
Output Channel 3
Input Control Signal for Channel 3
5V Power Supply
Reset Input
Data Output of Serial Interface
Input Control Signal Channel 1
NC
Output Channel 1
Ground 1
Connected to the PCB Ground for Thermal Purposes
MC33385
For More InformMaOtiToOnROOnLAThis Product,
8
Go to: www.freescale.com