L99DZ8x Family
Leading-edge devices “raise the
bar” in car door zone innovation
Smooth window operation and optimized electromagnetic emissions of
door electronics are addressed by an innovative semiconductor solution
Even more innovation in car
door electronics; ST’s L99DZ80EP
and L99DZ81EP are the first
devices that specifically target
the door zone market. Their
main feature is the PWM (Pulse
Width Mode) control for the
H-Bridge motor drive in window
lift systems.
KEY FEATurES
All door module loads supported
•
Window lift
•
Locks
•
Mirror levelling
•
Mirror adjustment
•
Mirror defroster
•
Lighting (Bulbs/LEDs)
•
Electro-chromatic mirror
•
Driving and diagnostics provided
through SPI
KEY BENEFITS
Increased comfort
•
Reduces size and weight of
door zone electronics
•
Ensures smoother and quieter
window lift operations
KEY APPLICATIONS
Front (L99DZ80EP) and
rear (L99DZ81EP) car doors
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DEVICES AT A GLANCE
The L99DZ80EP and L99DZ81EP are
smart power ASSPs and offer an extremely
integrated and optimized solution for door
zone electronic modules. Both devices
include an SPI-programmable slew-rate
control IP that can drive 4 external MOSFETs
in a PWM-driven bridge configuration
dedicated to PWM-driven electric-window
applications.
In addition, the SPI-programmable slew-rate
control of the external MOSFETs enables
tight control of switching noise thus ensuring
the best results in terms of electromagnetic
compatibility (EMC).
Devices are tailored to drive front and rear
door relevant loads such as door-lock,
bulbs and LEDs (both devices) as well as
mirror fold, mirror-axis and mirror defroster
(L99DZ80EP only). The front door device
(L99DZ80EP) also integrates a control block
with an external MOS transistor for electro-
chromatic charging and discharging of
(dimmable) mirror glasses. The L99DZ80EP
and L99DZ81EP are housed in a TQFP64-
exposed pad package.
TYPICAL APPLICATION DIAGrAMS
Front door
HS CAN
LIN
Contact monitoring
L99PM72GXP
SPI
M Mirror adj X
M Mirror adj Y
M Fold
SPI
32-bit Microcontroller
SPC56 BOLERO Family
L99DZ80EP
M Door lock
M Dead lock
Turn indicator
Puddle lamp
Switch light
Child safety
Window lift M
Power Switch Array
Electro-chromatic mirror
Heater
Rear door
LIN
Contact monitoring
L99PM60J
32-bit Microcontroller
SPC56 BOLERO Family
SPI
M Door lock
SPI
L99DZ81EP
M Dead lock
Lamp/Led
Puddle lamp
Switch light
Window lift M
Power Switch Array
Child safety
Part Number
Mirror Adj.
Fold
Lock
Dead Lock
Heater
Electro- chromatic Glass
Window Lift
Bulbs/LEDs
FrONT DOOr
L99DZ80EP
•
•
•
•
rEAr DOOr
L99DZ81EP
•
•
•
•
•
•
•
•
© STMicroelectronics - June 2014 - Printed in United Kingdom - All rights reserved
The STMicroelectronics corporate logo is a registered trademark of the STMicroelectronics group of companies
All other names are the property of their respective owners
Order code: FLL99DZ8XEP0614
For more information on ST products and solutions, visit www.st.com