BTS3800SLHTSA1

BTS3800SLHTSA1 is an automotive smart high-side switch (load switch) from the BTS family. It integrates a power MOSFET with built‑in protection and a diagnostic interface for convenient MCU control of a DC load.
Key points:
- Purpose: switch automotive loads (solenoids, lamps, small motors) under microcontroller control.
- Protections: typically includes overcurrent/short‑circuit protection, overtemperature protection, undervoltage lockout, and reverse-polarity protection.
- Diagnostics: provides a status/diagnostic signal to monitor load or fault conditions.
- Packaging: designed for compact automotive-grade packages (variant-specific).
How to use:
- Drive the control/input pin with a logic signal to turn the load on/off.
- Monitor the diagnostic output for fault conditions.
- Refer to the exact BTS3800SLHTSA1 datasheet for precise voltage/current ratings, enable logic, timing, and pinout, as there are multiple BTS3800 variants.

Here are the typical features of BTS3800SLHTSA1 (1-channel smart high-side switch):
- Single-channel automotive high-side switch with integrated protection
- Wide automotive voltage range and load-dump tolerance
- Input/enable control (EN/IN) to turn the switch on/off
- Diagnostic feedback for fault conditions (open load, short to GND, short to VBAT)
- Overcurrent/short-circuit protection with current limiting
- Overtemperature protection with latch to prevent damage
- Undervoltage lockout to prevent undefined operation
- Reverse polarity protection and protection against fault conditions
- Low standby/quiescent current when off
- Designed for automotive environments and easy integration in one package (HTSA1) to reduce BOM
Note: exact electrical limits (voltage range, current rating, response times) are specified in the datasheet; this summary lists representative feature areas.

8 pins. It is a smart high-side load switch used to control a DC load from a supply (e.g., automotive). Provides protection (reverse polarity, overcurrent/short, undervoltage), current limiting, and diagnostic feedback. Typical pins include Vcc, GND, IN/EN (control), OUT (to load), and DIAG/FAULT and IS/Current sense (diagnostic feedback).

Manufacturer: Infineon Technologies AG.
Infineon is a German multinational semiconductor company that designs, develops, and manufactures integrated circuits and system solutions for automotive, industrial, and security applications.

BTS3800SLHTSA1 is a smart high-side switch for automotive body electronics and other DC loads. Typical applications: LED lighting/indicators; power windows/seats/mirrors; wipers and other motors; fuel pumps and solenoids; HVAC/valve actuators; and general MCU-controlled load switching in industrial or consumer electronics. It provides protection and diagnostics (reverse polarity, overcurrent/short-circuit protection, undervoltage, thermal shutdown), simplifying control and safeguarding the load.

HTSSOP-8 package (8-pin HTSSOP).