MC33888FB Freescale Semiconductor, MC33888FB Datasheet - Page 28

• Manufacturer Part Number: MC33888FB
• Description: IC SWITCH QUAD H-SIDE W/CS 64QFP
• Manufacturer: Freescale Semiconductor
• Type: High Side/Low Side Driverr

Specifications of MC33888FB

• Input Type: SPI
• Number Of Outputs: 12 ( 4 High Side, 8 Low Side)
• On-state Resistance: 40 mOhm
• Current - Output / Channel: 10A
• Current - Peak Output: 60A
• Voltage - Supply: 6 V ~ 27 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

33888. 55W bulb driven with 10 milliohm outputs, and 21W
plus 5W lamps with 40 milliohm outputs.
power and the junction temperature knowing the application
conditions in steady state, as shown in
considered) and the board. They are VPWR, loads (in Watts),
28
33888
TYPICAL APPLICATIONS
Figure 12
An excel tool has been created to calculate the dissipated
The parameters to enter concern the loads (bulbs only
shows a typical lighting application for the
+5.0 V
MCU
A/D
A/D
10 kΩ
4
4
Figure
Figure 12. 33888 Typical Application Diagram
FS
IHS0.IHS3
ILS
RST
SPI
WDIN
CSNS2-3
CSNS0-1
FSI
TYPICAL APPLICATIONS
13.
+5.0 V
VDD
33888
GND
V
VPWR
PWR
LS4:11
PWM frequency, ambient temperature and thermal
impedance. The calculations are done with a R
estimated junction temperature. The current is also
considered constant in the loads.
HS2
HS3
HS0
HS1
100nF
55 W
8 X Relay or LED
55 W
Analog Integrated Circuit Device Data
21 W 5.0 W
Loads
Freescale Semiconductor
21 W 5.0 W
DS(ON)
at an