Overview
The BTS50085-1TMA is a high-side power switch produced by Infineon Technologies, designed with an integrated vertical power FET. This component provides a range of embedded protection and diagnostic functions, making it highly suitable for various automotive and industrial applications. It is particularly noted for its high load current capability, high inrush current capability, and very high energy capability, making it ideal for 24V systems.
Key Specifications
| Parameter | Symbol | Values | Unit |
|---|---|---|---|
| On-state resistance | RON | 9 mΩ | |
| Load current (ISO) | IL(ISO) | 44 A | |
| Short circuit current limitation | IL(SC) | 90 A | |
| Current sense ratio | IL : IIS | 13,000 | |
| Operating voltage range | Vbb(on) | 5.0 ... 58 V | |
| Thermal resistance (case to heatsink) | RthCH | about 0.5 ... 0.9 K/W | |
| Junction temperature range | Tj | -40 ... +150 °C |
Key Features
- Overload protection
- Current limitation
- Short circuit protection
- Over temperature protection
- Over voltage protection (including load dump)
- Clamp of negative voltage at output
- Fast deenergizing of inductive loads
- Low ohmic inverse current operation
- Diagnostic feedback with load current sense
- Open load detection via current sense
- Loss of Vbb protection
- Electrostatic discharge (ESD) protection
- Green product (RoHS compliant)
- AEC qualified
Applications
- Automotive Body & Convenience
- Power Distribution
- Relay Replacement
- Fuse Replacement
- Heating Applications
- Truck & Agriculture (24V)
- Industrial Automation
Q & A
- What is the BTS50085-1TMA?
The BTS50085-1TMA is a high-side power switch with an integrated vertical power FET, offering various protection and diagnostic functions. - What are the key protection features of the BTS50085-1TMA?
The key protection features include overload protection, current limitation, short circuit protection, over temperature protection, and over voltage protection. - What is the maximum load current capability of the BTS50085-1TMA?
The maximum load current capability is 44 A (ISO). - What is the short circuit current limitation of the BTS50085-1TMA?
The short circuit current limitation is 90 A. - Is the BTS50085-1TMA RoHS compliant?
Yes, the BTS50085-1TMA is RoHS compliant. - What are the typical applications of the BTS50085-1TMA?
Typical applications include automotive body and convenience, power distribution, relay replacement, fuse replacement, heating applications, truck and agriculture (24V), and industrial automation. - What is the operating voltage range of the BTS50085-1TMA?
The operating voltage range is 5.0 to 58 V. - What is the thermal resistance of the BTS50085-1TMA?
The thermal resistance (case to heatsink) is about 0.5 to 0.9 K/W. - Does the BTS50085-1TMA have diagnostic feedback?
Yes, it provides diagnostic feedback with load current sense and open load detection via current sense. - Is the BTS50085-1TMA AEC qualified?
Yes, the BTS50085-1TMA is AEC qualified.
