TLE9263QX
High-Side Switch
9
High-Side Switch
9.1
Block Description
HSx
VSHS
HS Gate Control
Overcurrent Detection
Open Load (On)
Figure 24 High-Side Module Block Diagram
Features
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Dedicated supply pin VSHS for high-side outputs
Over voltage and under voltage switch off - configurable via SPI
Overcurrent detection and switch off
Open load detection in ON-state
PWM capability with internal timer configurable via SPI
Switch recovery after removal of OV or UV condition configurable via SPI
9.2
Functional Description
The High-Side switches can be used for control of LEDs, as supply for the wake inputs and for other loads. The
High-Side outputs can be controlled either directly via SPI by (HS_CTRL1, HS_CTRL2), by the integrated timers
or by the integrated PWM generators.
The high-side outputs are supplied by a dedicated supply pin VSHS (different to VS). The topology supports
improved cranking condition behavior.
The configuration of the High-Side (Permanent On, PWM, cyclic sense, etc.) drivers must be done in SBC Normal
Mode. The configuration is taken over in SBC Stop- or SBC Sleep Mode and cannot be modified. When entering
SBC Restart Mode or SBC Fail-Safe Mode the HSx outputs are disabled.
Data Sheet
59
Rev. 1.1, 2014-09-26
INFINEON [ Infineon ]
