Datasheet > TLE9243QK

TLE9243QK

更新时间： 2024-10-03 11:16:07

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
2页	1228K
描述
The TLE9243QK is an application specific multiple output system supply for transmission applications supplying 5V-μC, transceivers, and sensors by an efficient and flexible pre-/post-regulator concept over a wide input voltage range.

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TLE9243QK 数据手册

Product brief

TLE9243QK

Transmission power management IC

The TLE9243QK is a power management IC including the complete power supply func-

tionality as well as application specific features for transmission systems.

The power supply includes a buck and boost pre-regulator supplying post-regulators for

microcontroller supply, communication supply and a precise voltage reference. In addi-

tion, two 5 V trackers are available to supply oﬀ-board sensors.

Key features

Serial step-up and step-down

›

pre-regulator with wide input voltage

range from 3.0 to 40 V

5 V low drop voltage regulators for

MCU and communication supply

5 V high accuracy voltage reference

Two 5 V voltage trackers for sensor

supply

›

Beside the power supply functions, the TLE9243QK provides application-specific func-

tionality - sensor interfaces for three channels including one 9 V LDO per channel as well

as three channels to drive external n-channel power switches, including a charge pump

which can also be used to supply an active reverse polarity protection circuitry.

›

Voltage, current, clock and tempera-

ture monitoring with reaction and

indication functions

›

The device supports diﬀerent modes: standby, normal and aꢀer-run mode. The aꢀer-run

mode with a stop counter function supports operations aꢀer power down.

Configurable window and functional

watchdog

›

The TLE9243QK comes with a window and functional watchdog, monitoring functions

and diﬀerent outputs for failure reactions and indications. It has been developed ac-

cording to ISO 26262 targeting systems up to ASIL-D and supports an extended junction

temperature range of up to 175°C.

32-bit 10 MHz SPI with 8-bit CRC

Three high-side drivers to control

external n-channel MOSFETs

Three 9 V low drop voltage regulators

for wheel speed sensor supply

Three channel wheel speed sensor

interface

›

Applications

Electro-hydraulically controlled automatic transmission systems

Electro-hydraulically and electro-mechanically controlled double clutch

transmission system

›

Voltage battery switch to reduce

quiescent current

Electro-hydraulically controlled continuous variable transmission systems

›

Key benefits

Integrated transmission system

specific features allowing system cost

optimization

›

Developed acc. to ISO 26262 enabling

systems up to ASIL D

AEC Q-100 Grade 0 qualified

›

www.infineon.com

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