mlx10407 Melexis Company, mlx10407 Datasheet

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mlx10407

Manufacturer Part Number
mlx10407
Description
Five-channel Gauge Driver W/ Serial Link
Manufacturer
Melexis Company
Datasheet

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Features and Benefits
Applications
Ordering Information
Part No.
MLX10407
Functional Diagram
MLX902xx Name of Sensor
3901010407
Rev. 003
Description
The 10407 is a MCU peripheral for logometers control using SIN/COS PWM commands. The circuit controls two
independent sets of CMOS power bridges. A ten-bit angle is displayed with a 9 bit per quadrant resolution PWM whose
frequency is set by a crystal oscillator. A power-on self test detects open or short-circuit outputs for each logometer and
a real time angle tracking avoids display errors.
The 10407 can also drive three small angle logometers (90°). A three wire serial link allows bidirectional communication
with the MCU.
Supply voltage up to 12 V
Interface directly with 5 V CMOS logic MCUs
Serial link
Can drive two 360° actuators & three 90° actuators simultaneously
Open circuit / short-circuit detection of the drivers outputs
Small size (SO24 package)
Real Time Angle Tracking
Logometer Driver Dashboard
Industrial Metering
Temperature Suffix
E (-40°C to 85°C)
Rev Y.X
Page 1
Package
DF (SOIC24)
22/Aug/98
Option Code
CA
Page 1
Aug/02

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mlx10407 Summary of contents

Page 1

... Logometer Driver Dashboard Industrial Metering Ordering Information Part No. Temperature Suffix MLX10407 E (-40°C to 85°C) Functional Diagram Description The 10407 is a MCU peripheral for logometers control using SIN/COS PWM commands. The circuit controls two independent sets of CMOS power bridges. A ten-bit angle is displayed with a 9 bit per quadrant resolution PWM whose frequency is set by a crystal oscillator ...

Page 2

DC Electrical Characteristics Tamb = -40 to 85°C, VDD = 4 unless otherwise specified. Characteristics Supply current Maximum power dissipation Inputs Input capacitance Pin 11 Pull-down resistance Input voltage LOW Input voltage HIGH Hysteresis Leakage current ...

Page 3

ABSOLUTE MAXIMUM RATINGS Parameter Storage Temperature Range Operating Temperature Range Supply Voltage Range Input Voltage Range AC Electrical Characteristics Tamb = -40 to 85°C, VDD = 4 unless otherwise specified. Characteristics Oscillator Clock frequency Serial communication ...

Page 4

Typical application Notes The chip integrates its oscillator load capacitors. The quartz frequency is 8MHz 3901010407 Rev. 003 Page 4 Aug/02 ...

Page 5

Operation 1) 360° logometers Immediately following a reset, the IC checks if there is any short-circuit or open circuit on each buffer driver output (This test is not performed for outputs 5, 6 and 7). During this test, each buffer ...

Page 6

... In addition to driving (2) 360° logometers the MLX10407 has a push-pull stage possible to drive (3) additional 90° coils connected to GND or VDD respectively. Serial Link The MCU outputs the serial communication clock SCLK, the chip select CS, the data DIP, and reads the ERRB error status. ...

Page 7

... If VER (pin 17) is connected to VDD then the 10407 does not store values of angles and quadrant in case of an error however possible to make the 10407 store all angles and quadrant values even if there is an error, by connecting VER (pin 17) to GND. MLX902xx Name of Sensor 3901010407 Rev. 003 MLX10407 Serial link Protocol Rev Y.X Page 7 22/Aug/98 Page 7 Aug/02 ...

Page 8

PWM Generation 1) Logometers 360° ( Logo 1 and Logo 2 ): From the angle value received from the MCU (range [0° - 89.8°]), the 10407 generates two PWM signals (9 bit resolution) : The first one represents the sine ...

Page 9

Pin Out Pin Symbol 1 VDD 2 SIN1P 3 SIN1M 4 VSS 5 COS1P 6 COS1M 7 OUT5 8 OUT6 9 OUT7 10 VDD SCLK 13 DIN 14 TEST 15 RSTB 16 ERRB 17 VER 18 OSCO ...

Page 10

Reliability Information Melexis devices are classified and qualified regarding suitability for infrared, vapor phase and wave soldering with usual (63/37 SnPb-) solder (melting point at 183degC). The following test methods are applied: IPC/JEDEC J-STD-020A (issue April 1999) Moisture/Reflow Sensitivity Classification ...

Page 11

Disclaimer Devices sold by Melexis are covered by the warranty and patent indemnification provisions appearing in its Term of Sale. Melexis makes no warranty, express, statutory, implied description regarding the informati- on set forth herein or regarding the ...

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