TLE9185QXV33 datasheet(90/192 Pages) INFINEON

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TLE9185QXV33 Datasheet(PDF) 90 Page - Infineon Technologies AG

Part #	TLE9185QXV33

Description	BLDC Driver

Download	192 Pages

Scroll/Zoom	100%

Manufacturer	INFINEON [Infineon Technologies AG]

Direct Link	http://www.infineon.com

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90 / 192 page

TLE9185QXV33

BLDC Driver

Supervision Functions

Datasheet

Rev.1.0

2021-01-21

Supervision Functions

10.1

Reset Function

Figure 45 Reset Block Diagram

10.1.1

Reset Output Description

The reset output pin RSTN provides a reset information to the microcontroller, for example, in the event that

the output voltage has fallen below the undervoltage threshold VRTx. In case of a reset event, the reset output

RSTN is pulled to low after the filter time tRF and stays low as long as the reset event is present plus a reset

delay time tRD1 or tRD2 depending on the value in RSTN_DEL. When connecting the device to battery voltage,

the reset signal remains low initially. When the output voltage VCC1 has reached the reset default threshold

VRT1,r, the reset output RSTN is released to high after the reset delay time tRD1. A reset can also occur due to a

watchdog trigger failure. The reset threshold can be adjusted via SPI, the default reset threshold is VRT1,f. The

RSTN pin has an integrated pull-up resistor. In case reset is triggered, it will be pulled low for VCC1 ≥ 1V and

for VSINT ≥ VPOR,f (see also Chapter 10.3).

The timings for the RSTN triggering regarding VCC1 undervoltage and watchdog trigger is shown in Figure 46.

Reset logic

Incl. filter & delay

RSTN

VCC1

Manufacturer	Part #	Datasheet	Description
Infineon Technologies A...	TLE9185QX	5Mb / 193P	BLDC Driver Rev. 1.0 2021-01-21

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