Infineon TLE985x: new Embedded Power series for automotive applications
Munich, Germany – 21 February 2019 – At this year’s Embedded World trade fair, Infineon Technologies AG (FSE: IFX / OTCQX: IFNNY) is launching a new family of Embedded Power ICs. The TLE985x series provides highly integrated, AEC Q-100 qualified H-bridge driver motor control solutions for 2-phase DC and single-phase brushless DC motors. It will support automotive customers in replacing relays in low-end motor control applications such as sunroof and window lift.

By switching from relays to MOSFETs, the higher level of integration reduces system costs. Additional advantages are that the PWM control and the integrated current sense amplifier, which is calibrated, allow the motor currents to be adapted and thus the mechanics and motor to be optimized towards the application requirements. The circuit board and the motor become smaller. At the same time, the noise behavior improves.

TLE985x devices integrate an ARM® Cortex®-M0 processor and peripherals for motor control, power supply and communication. Two integrated measurement units (analog-to-digital converters) for monitoring temperature, battery voltage and four monitoring inputs help to save pins. These inputs can be operated directly with battery voltage, which saves costs on additional components such as external voltage dividers or shutdown transistors. Furthermore, the chips are equipped with two full duplex serial interfaces (UART) with LIN support.

A new feature in the TLE985x family is its adaptive MOSFET driver. The control algorithm is able to compensate MOSFET parameter spread in the system by automatically adjusting the gate current according to required switching times. This allows an optimization of the system concerning EME (electro-magnetic emissions, slow slew rates) as well as power dissipation (short dead times) simultaneously.

The product family includes five devices with different flash sizes (48 - 96KB) and temperature ranges (Tj up to 175°C). In addition, different numbers of half-bridge drivers for uni- or bidirectional DC motor applications are offered.

All TLE985x products are based on the same hardware and software platform as Infineon’s other Embedded Power products (TLE984x, TLE986x and TLE987x), thus enabling design synergies and allowing customers to reuse parts of the software. The devices come in a leadless VQFN package with a footprint of 7x7 mm.

Availability

Samples of the TLE985x devices will be available from March 2019 onward. More information is available at www.infineon.com/tle985x.

Infineon at Embedded World 2019

Visit Infineon at Embedded World 2019 Exhibition & Conference (Nuremberg, Germany; 26-28 February 2019) at booth 231 in hall 3A. Highlights include solutions for smart, safe vehicles that drive automated; connected, secure factories; smart homes and consumer devices; as well as highly efficient and sophisticated drones. More information is available at www.infineon.com/embeddedworld.
About Infineon

Infineon Technologies AG is a world leader in semiconductor solutions that make life easier, safer and greener. Microelectronics from Infineon is the key to a better future. In the 2017 fiscal year (ending September 30), the company reported sales of about 7.1 billion euros with some 37,500 employees worldwide. Infineon is listed on the Frankfurt Stock Exchange (ticker symbol: IFX) and in the USA on the over-the-counter market OTCQX International Premier (ticker symbol: IFNNY).

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Date: 21.02.2019 10:30
Number: INFATV201902-037e
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Infineon’s TLE985x Embedded Power devices support automotive customers in replacing relays in low-end motor control applications by MOSFETs.
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