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What is MLX10420AA?

This electronic component, produced by the manufacturer "Melexis", performs the same function as "3-channel air-core gauge driver".


MLX10420AA Datasheet PDF - Melexis

Part Number MLX10420AA
Description 3-channel air-core gauge driver
Manufacturers Melexis 
Logo Melexis Logo 


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MLX10420AA
3-channel air-core gauge driver
with serial interface
Features and Benefits
Supply voltage up to 12 V.
Interface directly with 3.3/5 V CMOS logic µP
Serial peripheral interface
Can drive two air core actuators over the full 360°and one over 90°.
Open circuit or short circuit detection of the drivers’ outputs.
Small size (SSOP20 package)
Real time angle tracking
Applications
Air-core meter Driver Dashboard
Industrial Metering
Ordering Code
Product Code Temperature Code
MLX10420
R
Package Code
FR
Option Code Packing Form Code
AAA-000
RE
Legend:
Temperature Code:
Package Code:
Packing Form:
R for Temperature Range -40°c to 105°c
FR for SSOP 209 mil
RE for Reel
Ordering example: MLX10420RFR-AAA-000-RE
1 Functional diagram
CSB
SCLK
SI
SO
POR
ROM SEQ
SPI
logic
RC
OSC
BUF 1
360deg
BUF 2
360deg
BUF 3
90deg
SIN1P
SIN1M
COS1P
COS1M
SIN2P
SIN2M
COS2P
COS2M
OUT3
2 General Description
The MLX10420 is a µP peripheral for air-core
meters control using SIN/COS PWM commands.
The circuit controls two independent sets of
CMOS power bridges. A ten bit angle is
displayed with 9 bits per quadrant. The PWM
frequency is set by an on chip oscillator. A
power-on self test detects open or short-circuits
outputs for each air-core meter and a real time
angle tracking avoids display errors.
The chip can also drive one small angle air-core
meters (90°).
The communication with the µP is done via a
three wires serial link.
The chip outputs an error status on a special pin.
3901010420
Rev 2
Page 1 of 25
Device specification
Jun/12
Free Datasheet http://www.Datasheet4U.com

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MLX10420AA equivalent
MLX10420AA
3-channel air-core gauge driver
with serial interface
7 Glossary of Terms
Table 2 explains the abbreviations used in this document.
CMOS
DC
ESD
HBM
i.e.
POR
PWM
RCOSC
rev
RT
TA
TC
tri-state
Complementary Metal Oxide Semiconductor (standard logic family)
direct current
Electro-Static Discharge
human body model (for ESD)
'id est' … which is …
Power On Reset
Pulse Width Modulation
RC oscillator
revision
room temperature
ambient temperature
temperature coefficient
high impedant state of a driver output
Table 2: abbreviations used in this document
3901010420
Rev 2
Page 5 of 25
Device specification
Jun/12
Free Datasheet http://www.Datasheet4U.com


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Featured Datasheets

Part NumberDescriptionMFRS
MLX10420AAThe function is 3-channel air-core gauge driver. MelexisMelexis

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