Overview
The BTS3408G is a dual-channel Low-Side Switch produced by Infineon Technologies, designed with D-MOS output stages for driving various types of loads including resistive, capacitive, and inductive loads. This component is based on Infineon's Smart Power Technology (SPT), which integrates bipolar, CMOS, and power D-MOS devices on the same monolithic circuit. The BTS3408G is particularly suited for automotive and industrial applications, offering robust protection features and low power consumption.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Supply Voltage | VS | 4.5 - 60 | V |
| Continuous Drain Source Voltage | VDS | 60 | V |
| On-state Resistance | RDS(ON) | 550 mΩ (typ.) | mΩ |
| Current Limitation | ID(lim) | 1 A | A |
| Nominal Output Current (individual channel) | ID(Nom) | 0.55 A | A |
| Clamping Energy | EAS | 800 mJ | mJ |
| Switching Frequencies | - | Up to 50 kHz | kHz |
Key Features
- Logic level input compatible with 3V microcontrollers
- ESD protection
- Thermal shutdown with auto restart
- Overload protection
- Short circuit protection
- Over voltage protection
- Open load detection (during Off)
- Current limitation
- Direct parallel control of the inputs
- FREEZE functionality for multiplexing
- General fault flag
- Very low standby quiescent current
- Green Product (RoHS compliant) and AEC Qualified
Applications
The BTS3408G is versatile and can be used in a variety of applications, including:
- Driving stepper motors and lines
- Replacing electromechanical relays and discrete circuits
- Lamp and relay drivers
- Automotive and industrial switching applications for 12 V, 24 V, and 42 V systems
Q & A
- What is the supply voltage range for the BTS3408G?
The supply voltage range for the BTS3408G is 4.5 V to 60 V. - What types of loads can the BTS3408G drive?
The BTS3408G can drive resistive, capacitive, and inductive loads. - What is the on-state resistance of the BTS3408G?
The on-state resistance (RDS(ON)) of the BTS3408G is typically 550 mΩ. - Does the BTS3408G have thermal protection?
Yes, the BTS3408G features thermal shutdown with auto restart. - Is the BTS3408G RoHS compliant?
Yes, the BTS3408G is a Green Product and is RoHS compliant. - What is the switching frequency capability of the BTS3408G?
The BTS3408G can handle switching frequencies up to 50 kHz. - How many channels does the BTS3408G have?
The BTS3408G is a dual-channel Low-Side Switch. - What is the purpose of the FREEZE functionality in the BTS3408G?
The FREEZE functionality allows for multiplexing by ignoring input signals when the enable voltage is below a certain threshold. - Does the BTS3408G have a general fault flag?
Yes, the BTS3408G includes a general fault flag for indicating errors. - What are some common applications for the BTS3408G?
The BTS3408G is commonly used in automotive and industrial applications, including driving stepper motors, lines, lamps, and replacing electromechanical relays.
