KT33882UG, Rev. 1.0
6
Freescale Semiconductor, Inc.
Getting to Know the Hardware
3.4
Block Diagram
This evaluation board consists of an MC33882 Smart Six Output Switch (0.3 Ohm R
DS(on)
)
with SPI and Parallel Input Control. The high
level system block diagram (
Figure 2
) outlines the way Freescale standard products are used to implement a low-side switch.
Figure 2. Block Diagram
3.4.1
Device Features
This evaluation board features the following Freescale product:
Table 1. MC33882 Device Features
Device
Description
Features
MC33882
Smart Six Output Low-side Switch
•
Outputs clamped for switching inductive loads
•
Very low operational bias currents (< 2.0 mA)
•
CMOS input logic compatible with 5.0 V logic levels
•
Robust load dump (60 V transient at VPWR on OUT0 - OUT5)
•
Daisy chain operation of multiple devices possible
•
Switch outputs can be paralleled for higher currents
•
R
DS(on)
of 0.4 Ohm per output (25 °C) at 13 V VPWR
•
SPI operation guaranteed to 2.0 MHz
