Product brief

Battery disconnect switch

For all voltage up to 24 V

Infineon has teamed up with Schweizer Electronic AG to develop the 24 V ADR (European

Agreement Concerning the International Carriage of Dangerous Goods by Road) Switch

Demonstrator. This demo shows a semiconductor based solution of a 24 V battery master

switch for trucks and commercial vehicles as required by the ADR regulation.

For highly automated driving, commercial vehicles require an E/E architecture, which – in

addition to sensor fusion – ensures safety-critical processes such as steering and braking

at all times. Amongst other things, a redundant 24 V supply with corresponding discon-

nection is required.

In order to disconnect high-current batteries or power supply networks on demand,

circuits based on high-current MOSFETs are required which have the lowest possible

on-resistance (300 A, 40 V, 0.53 mΩ typ.) and optimized printed circuit board technologies

to provide maximum current carrying capacity and the lowest thermal resistances.

› AUIR3242S: MOSFET Driver

› IPLU300N04S4-R8 (8x)

› Batteryvoltage24V,max.nominal36V

› Load dump up to 58 V

› Quiescent current 28 µA @ 24 V

› Static current 300 A

› 1800 A for 10s (2400 peak)

› High switch off energy

› Cooling via cables

› PCB with 1 mm copper inlay

› Fast turn on/off to allow for safe op-

eration under critical circumstances

› Extended short circuit robustness

› High quality with FiT rates

below < 0.5 ppm

› Better price performance than

mechanical relay

› Very compact design = ready to use

› Unidirectional battery disconnection

› Safety applications such as EPS,

engine fan, chassis control etc.

› Replacement of mechanical Relay

› High current control load

Key features

Key benefits

Key applications

www.infineon.com/CAV