TLE8110ED datasheet(13/74 Pages) INFINEON

部品番号	TLE8110ED

部品情報	Smart Multichannel Low Side Switch with Parallel Control and SPI Interface

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メーカー	INFINEON [Infineon Technologies AG]

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13 / 74 page

Data Sheet

13

Rev. 1.0

2018-03-07

TLE8110ED

Smart Multichannel Low Side Switch with Parallel Control and SPI Interface

Power Supply

5

Power Supply

5.1

Description Power Supply

The TLE8110ED is supplied by analogue power supply line VDD which is used for the analogue functions of the

device, such as the gate control of the power stages. The digital power supply line VCC is used to supply the

digital part and offers the possibility to adapt the logic level of the serial output pins to lower logic levels.

Figure 5

Block Diagram Supply and Reset

Description Supply

The Supply Voltage Pins are monitored during the power-on phase and under normal operating conditions for

under voltage.

If during Power-on the increasing supply voltage exceeds the Supply Power-on Switching Threshold, the

internal Reset is released after an internal delay has expired.

In case of under voltage, a device internal reset is performed. The Switching Threshold for this case is the

Power-on Switching threshold minus the Switching Hysteresis.

In case of under voltage on the analogue supply line VDD the outputs are turned off but the content of the

registers and the functionality of the logic part is kept alive. In case of under voltage on the digital supply VCC

line, a complete reset including the registers is performed.

After returning back to normal supply voltage and an internal delay, the related functional blocks are turned

on again. For more details, refer to the chapter “Reset”.

The device internal under-voltage set will set the related bits in SDS (Short Diagnosis and Device Status) to

allow the micro controller to detect this reset. For more information, refer to the chapter “Control of the

Device”.

Block_diag_Supply_Reset.vsd

Input

and

Serial

Inter-

face

Fault

Detection

Gate Control

diagnosis

register

input

register

VDD

VCC

RST

OUTx

control

register

Logic

control

unit

EN

GND

VCC

Under

Voltage

Monitor

VDD

Under

Voltage

Monitor

or

analogue

control,

diagnostic

and protective

functions

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