MLX10801 datasheet(17/41 Pages) MELEXIS

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IC specification

MLX10801

Power LED driver for automotive applications

Power saving low side coil driver

Electronic fuse

3901010801

Page 17/41

Rev 021

14/July/05

Author: TFR

revised: RAH/SSZ

Automotive test pulses

The following chapter is valid for a completely assembled module. That means, that automotive test pulses are

applied to the module and not to the single IC.

In the recommended application according to chapter 1, the reverse polarity diode together with the capacitors

on the supply and the load dump protected IC itself protects the module against the automotive test pulses listed

below.

The exact values of the capacitors for the application have to be figured out according to the automotive and

EMI requirements.

No damage occurs for any of the test pulses.

A deviation of characteristics is allowed during pulse 1, 2, 4; the module returns to normal operation

after the pulse without any additional action.

During test pulse 3a, 3b, 5 the module operates within characteristic limits.

Parameter

Symbol

Min

Max

Dim

Test condition,

Functional status

Transient test pulses in accordance to DIN40839 part 1&3 and ISO7637 part 1&3,

IC pin CONTR connected to IC pin VS via 47k, module schematics are according to application

notes. Module acts as a single light source

Test pulse #1 at module pin VBAT, GND

vpulse1

-100

5000 pulses,

functional state C

Test pulse #2 at module pin VBAT, GND

vpulse2

100

5000 pulses

functional state C

Test pulse #3a at module pin VBAT, GND

vpulse3a

-150

1h,

functional state A

Test pulse #3b at module pin VBAT, GND

vpulse3b

100

1h,

functional state A

Test pulse #4 at module pin VBAT, GND

vspulse4

vapulse4

-6

-5

-4

-2,5

1 pulse,

functional state C

Test pulse #5 at module pin VBAT, GND

vpulse5

26,5

86,5

1 pulse clamped to <=40V

functional state C,

Description of functional status:

All functions of the module are performed as designed during and after the disturbance.

All functions of the module are performed as designed during and after the disturbance:

However, one or more can deviate from specified tolerance. All functions return automatically

to normal limits after exposure is removed. Memory functions shall remain class A.

A function of the module is not performed as designed during disturbance but returns automatically to

a normal operation after the disturbance

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