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MLX10801 데이터시트 PDF




Melexis에서 제조한 전자 부품 MLX10801은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 MLX10801 기능
기능 Power LED driver
제조업체 Melexis
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MLX10801 데이터시트, 핀배열, 회로
IC specification MLX10801
Power LED driver for automotive applications
Power saving low side coil driver
Electronic fuse
Features
General
Minimum number of inexpensive external components
Auto shutdown in case of over temperature with internal or
external temperature sensor
Small package allows compact module design with minimised
wire runs and short connections to achieve improved EMI
performance
MLX10801 is offered in 2 package options: SOIC8 and MLPD8
5x5. The MLPD8 5x5 package option allows to take out a higher
peak and average current than the SOIC8 package option
LED driver
High energy efficiency
Light control via PWM possible
Light output has a minimized dependency on supply and
temperature variations
Adjustable LED parameters are stored in an internal
NV memory
Coil driver
Additional use for driving coils like relays and micro valves in a
power saving mode
Works with a wide range of coils
Electronic fuse
Additional use as electronic fuse.
Fuse current adjust possibility
VS
GND
TEST
CALIB
VS
GND
TEST
CALIB
10801
(SO8)
CONTR
DRVOUT
RSENSE
DSENSE
CONTR
DRVOUT
RSENSE
DSENSE
Ordering Information
Part Nr
MLX10801
MLX10801
Temperature Code
R (-40°C to 105°C)
R (-40°C to 105°C)
Package Code
DC (SOIC8)
LDC (MLPD8 5x5)
General Description
The MLX10801 is a multi-purpose LED driver for high power LEDs designed for automotive applications.
A lot of adjustment possibilities allow for the design of different LED applications using only a few external
components.
The circuit is load dump protected for a 40V load dump pulse.
As a second use, a variety of coils like relays and micro valves can be driven in a very efficient power saving mode.
A third use is a simple electronic fuse, to protect circuits from overcurrent or overtemperature.
3901010801
Author: TFR revised: RAH/SSZ
Page 1/41
Rev 021 14/July/05
Free Datasheet http://www.datasheet4u.com/




MLX10801 pdf, 반도체, 판매, 대치품
IC specification MLX10801
Power LED driver for automotive applications
Power saving low side coil driver
Electronic fuse
Block diagram
VS
GND
VDD
Regulator
POR
CONTR
VDD
COMP
Sleep
Debouncing
time 32ms
POR
Divider / 1024
1 MHz oscillator
Reference 3V+/-5%
DAC
COMP
Debouncing
1us
POR
POR CLK
Programmable devider:
not used;/1;/2;/4;/8;/16;/32
Delay
3 Bit devider selection for
delay generation after POR
CLK Start
6 Bit Free running counter
Stop
Monoflop
6 Bit Compare register as
programmable Monoflop
EE-
Latch
Jitter
3 Bit Johnson
counter for jitter
on monoflop time
FF
CLK
EE-Latches
CALIB
TEST
Tresh.
detect.
Serial interface
Test-
mode
detect.
Digital
Testmode
EE-
Latch
VDD
DSENSE
Hysteresis
VDD
DAC
COMP
EE-
Latch
DRVOUT
RSENSE
3901010801
Author: TFR revised: RAH/SSZ
Page 4/41
Rev 021 14/July/05
Free Datasheet http://www.datasheet4u.com/

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MLX10801 전자부품, 판매, 대치품
IC specification MLX10801
Power LED driver for automotive applications
Power saving low side coil driver
Electronic fuse
1.1.3.1.LED driver application notes for MLX10801 in MLPD8 5x5
The MLX10801 assembled in a MLPD8 5x5 package allows to take out of the IC a higher average and a higher
peak current.
The pre calibration data of the MLX10801 in all types of packages is identical.
In order to take advantage of the bigger output current capability without changing the ICs pre trimmed parameter
set, the user can change the values of the coil and the sense resistor.
A typical LED average current of approx. 700mA can be achieved by using a coil of 220uH and a sense resistor of
0,3 Ohm.
In case of such typical high current applications, the user must provide a suitable heat sink possibility on the PCB.
Changing the pre calibrated data, which is stored in the internal EEPROM, allows to tune the IC also to other
coil and sense resistor values, the EMC performance can be influenced as well.
Please check as well out the MLX10801 application notes for different driving solutions,
which allow to drive more than one high power LED on a single MLX10801.
3901010801
Author: TFR revised: RAH/SSZ
Page 7/41
Rev 021 14/July/05
Free Datasheet http://www.datasheet4u.com/

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