Related Components and Development Boards for Power IV: Smart Power Distribution

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The element14 ESSENTIALS of Smart power distribution covers the basics of de-centralized power distribution architectures featuring high-side and low-side smart power switches. To extend the knowledge covered in the main section of this learning module, this supplementary section was included to discuss the types of related components discussed previously and those that are relevant in prototyping and/or development.

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Power PROFET

Power PROFET: Smart High-Side Power Switch, Single Channel

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The BTS50015-1TAD is a 1.5mΩ single channel, smart high-side power switch, embedded in a PG-TO-263-7-8 package. It contains protective and diagnostic functions, including Infineon

ReverSave

functionality (reverse battery protection). The power transistor is built with an N-channel power MOSFET with charge pump. It is specially designed to drive high current loads up to 80 A, such as switched battery couplings, power distribution switches, heaters, and glow plugs for the harsh automotive environment.

Low standby current

3.3V to V S level capable input pin

Electrostatic discharge protection (ESD)

Optimized Electromagnetic Compatibility (EMC)

Logic ground independent from load ground

Very low leakage current at OUT pin

Compatible to cranking pulse requirement

Embedded diagnostic and protection functions

AEC Qualified

HITFET (Highly Integrated Temperature MOSFET)

HITFET: BTS3256D Smart Low-Side Power Switch, Single Channel, with restart and variable slew rate

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The BTS3256D is a single channel, low-side power switch in a PG-TO-252-5-11 package, including embedded protective functions. This HITFET

is designed for automotive and industrial applications.

Slew rate control by dedicated pin enabling EMC optimized switching or PWM operation

Maximum switching Frequency 12kHz

Thermal and overload protection with time-controlled auto restart behavior

Time and power limited active current limitation

Electrostatic discharge protection (ESD)

Very low leakage current

HITFET: AUIPS1042GTR Automotive Q100 Intelligent Power Switch, Dual Channel, Low Side Driver

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The AUIPS1042GTR is a dual-channel, three-terminal Intelligent Power Switch featuring a low-side MOSFET with over-current, over-temperature, ESD protection, and a drain-to-source active clamp. The AUIPS1042GTR provides efficient protection by turning OFF the power MOSFET when the temperature exceeds 165°C or when the drain current reaches 4.5A. The device restarts once the input is cycled. The avalanche capability is significantly enhanced by the active clamp and covers most inductive load demagnetizations.

Short-circuit protection

12V application

Slow and fast devices

Active clamp

Low current and logic level input

Optimized turn on/off for EMI

Diagnostic on the input current

Over temperature shut own

Over current shutdown

HIC PROFET (High Current)

HIC-PROFET: BTS500501EGA – Smart High-side Power Switch, Single Channel

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The BTS50050-1EGA is a single-channel, high-side power switch in a PG-DSO-12-16 package with embedded protective functions, including ReverSave and Infineon INTELLIGENT LATCH. The power transistor is built with an N-channel vertical power MOSFET with a charge pump.

3.3 and 5V compatible, ground referenced CMOS compatible inputs

Very low stand by current

Stable behavior at under-voltage

Inverse load current capability

PROFET

PROFET: BTS5030-2EKA Smart High Side Power Switch, Dual Channel

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The BTS5030-2EKA is a 30 mΩ dual-channel, smart high-side power switch, embedded in a PG-DSO-14-40 exposed Pad package. It is specially designed to drive lamps up to two P21W car bulbs, as well as LEDs.

Very low stand-by current

3.3 V and 5 V compatible logic inputs

Electrostatic discharge protection (ESD)

Optimized electromagnetic compatibility

Logic ground independent from load ground

Very low power DMOS leakage current in OFF state

Green product (RoHS compliant)

AEC qualified

PROFET: BTS721L1 Smart High-Side Power Switch

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The BTS721L1 is a 4-output high-side vertical Power FET Switch with charge pump, ground-referenced CMOS compatible input, and diagnostic feedback. It is monolithically integrated in smart SIPMOS technology, providing embedded protective functions, under-voltage and overvoltage shutdown with auto-restart and hysteresis.

Overload protection

Current limitation

Thermal shutdown

Overvoltage protection

Fast demagnetization of inductive loads

Reverse battery protection

Open drain diagnostic output

Open load detection in ON-state

Loss of ground and loss of VBB protection

Electrostatic discharge (ESD) protection

High voltage capability

Speed PROFET

Speed PROFET: BTF50060-1TEA Smart High-Side Power Switch, Single Channel, High PWM Frequencies

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Embedded in a PG-TO252-5-11 package, the BTF50060-1TEA is a 6mΩ single channel, smart high-side power switch. It can drive all types of resistive, inductive and capacitive loads. It's suitable for driving loads with PWM frequency from 0Hz (DC operation) up to 33kHz. It can drive valves, coils and motors with in-rush currents up to 60A.

LCD interface supports up to 24bit LCD display (WXGA)

Onboard MT41K256M16HA-125:E 1GB DDR3L device

4GB EMMC, 32MB QSPI and 32KB EEPROM onboard memory

Supports Embest 4.3inch and 7inch LCD

Supports 12-bit camera

MicroSD card for storage extension

Gate Driver IC

Gate Driver IC: AUIR3200S High Side MOSFET Driver

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The AUIR3200S is a high-side, Mosfet driver for very low Rdson automotive applications. It offers over-current, overtemperature protection and diagnostic functions. The over-current protection is done by monitoring the Vds voltage, the threshold is programmable by external resistor. The overtemperature protection uses a thermal sensor.

Bootstrap and charge pump

Over-temperature shutdown with PTC interface

Short circuit protection (Vds detection)

Reverse battery protection

Ground loss protection

ESD protection

Development boards

Power PROFET: 12V Protected Switch Shield with BTS50015-1TAD for Arduino

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The 12V protected switch shield for Arduino comes with BTS50015-1TAD, an ultra-low ohmic smart high-side power switch from the Power PROFET

family. Designed for relay and fuse replacement in power distribution and junction boxes, Power PROFET

can drive resistive, capacitive and inductive loads (e.g. heating resistors, filter capacitors, motor, valves and pumps).

Stand alone and microcontroller mode

Can be controlled with Arduino compatible microcontroller boards such as the XMC microcontroller kits from Infineon

Easy to use “plug and play”

Fully configurable for different kind of loads

Enables quick evaluation of Power PROFET for switching loads (BTS50015-1TAD: I NOM = 33 A)

Fast prototyping for switching applications

HITFET+: Low-Side Switch Shield with BTF3050TE for Arduino

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The SHIELDBTF3050TE Low-Side Switch Shield can control three HITFET

BTF3050TE low side switches using an Arduino Uno R3, XMC1100 Boot Kit, or similar board. The three low-side switches provide three independent power channels that can be controlled using the input pins. The board is compatible with microcontrollers using the Arduino form factor. The board supports fast and easy prototyping of applications with BTF3050TE.

The BTF3050TE is a 50mΩ high integrated single channel low-side switch. The switch is able to drive resistive, inductive and capacitive loads with a nominal load current of 3A. The power transistor itself is a built in N-channel power MOSFET. The whole device is monolithically integrated with the power MOSFET, driver and protection blocks all in one package. The smart low-side switch provides diagnostic and protection features (e.g. overtemperature, overcurrent). BTF3050TE is qualified and optimized for 12V automotive and industrial applications.

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