BTS3800SLHTSA1

BTS3800SLHTSA1 is a smart high-side switch (load switch) from the BTS family (Infineon) used to drive a load under MCU control in automotive electronics.
Key points:
- Purpose: Provides on/off control of a load with built-in protection.
- Protections and diagnostics: overcurrent/short-circuit protection, overtemperature shutdown, undervoltage lockout, reverse-polarity protection, open-load detection, and diagnostic/status feedback.
- Electricals (typical): wide automotive supply range; capable of driving loads up to about a couple of amperes (depends on version and temperature); includes current limiting and low quiescent current.
- Package/variant: SLHTSA1 denotes a specific packaging/variant of the BTS3800SL family; refer to the datasheet for exact pinout.
- Applications: automotive lighting, sensors, actuators, power nets in ECUs, etc.
- How to use: connect Vbat to supply, IN to MCU control signal, OUT to the load, GND to ground; use DIAG/STATUS feedback for fault monitoring; include proper decoupling and heat management.
Note: For exact electrical specs, pinout, and thermal limits, consult the BTS3800SLHTSA1 datasheet.

Here are the typical features of the BTS3800SLHTSA1 (smart high-side switch for automotive loads):
- 1-channel smart high-side switch for automotive applications
- Wide supply range suitable for 12/24 V systems (and general automotive voltages)
- Integrated MOSFET with low on-resistance
- Overcurrent/short-circuit protection with current-limiting
- Overtemperature protection (thermal shutdown)
- Undervoltage lockout and reverse-polarity protection
- Diagnostic/status output for fault detection (open-load, short, etc.)
- Logic-level control input (0–5 V compatible)
- PWM-compatible for switching and dimming
- Compact automotive-grade package suitable for PCB integration
Note: Always verify exact electrical specs (Vcc range, current limit, protection thresholds) from the official datasheet for this exact variant.

BTS3800SLHTSA1 uses an 8-pin HTSSOP package (HTSSOP-8) with gull-wing leads.

Pin count: 8 pins (HTSA package).
Function: One-channel high-side switch with protection and diagnostics (automotive-grade). It powers a load from Vcc to OUT when enabled by IN/EN, with reverse polarity protection, current limit, overtemperature/short-circuit protection, and a diagnostic output. Typical pins (variant-dependent): Vcc, GND, IN, EN, OUT, DIAG/FAULT, IS (current sense), and NC/TEST. Please consult the datasheet for the exact pin mapping.

Infineon Technologies AG. Infineon is a German multinational semiconductor manufacturer that designs and produces electronic components for automotive, industrial, power, and security applications.

- Automotive body electronics: lighting, actuators (doors, windows, seats), and other MCU-controlled loads.
- Industrial/consumer electronics: DC load switching for solenoids, small motors, relays, LED drivers.
- Battery-powered devices: protected, MCU-controlled high-side switching for various DC loads.