TLE8242-2 Datasheet, PDF (63/78 Pages) Infineon Technologies AG – 8 Channel Fixed Frequency Constant Current Control With Current Profile Detection

TLE8242-2
Field
Bits
AZ on value 15:8
AZ off value 7:0
Type
DATA
DATA
Functional Description and Electrical Characteristics
Description
Autozero value - Gate On
Autozero value - Gate Off
When this register is written an Auto-Zero sequence is initiated for the selected channel, and the AZon and AZoff
bits are reset. The AZon and AZoff bits are set after the autozero sequence has completed.
When this register is read, the Auto-Zero sequence is not initiated, but the AZon and AZoff bits are reset.
Note: When a channel transitions from on to off, the autozero sequence for that channel must not be initiated until
the recirculation current has fully decayed to 0 mA. Otherwise, the calculated autozero values will be incorrect
resulting in inaccurate current regulation when a non-zero setpoint is programmed.
Autozero offset [mA] = ^AZ_value∗ ^320[mV]
2¹¹
Rsense[Ohm]
Equation: Auto-zero value
(16)
Data Sheet
63
Rev. 1.0, 2010-02-09