Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | PROFET® |
| Part Status | Obsolete |
| Switch Type | General Purpose |
| Number of Outputs | 2 |
| Ratio - Input: Output | 1:1 |
| Output Configuration | High Side |
| Output Type | N-Channel |
| Interface | On/Off |
| Voltage - Load | 4.75V ~ 41V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 3.6A |
| Rds On (Typ) | 50mOhm |
| Input Type | Non-Inverting |
| Features | Status Flag |
| Fault Protection | Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | PG-DSO-20-9 |
Tổng quan
Description
Introduction to BTS728L2:
- Type: Automotive-grade dual high-side smart switch (BTS728 family) for 12/24 V systems.
- Function: Two independent load switches with built-in current limiting and protection.
- Protections: Overcurrent/short-circuit, overvoltage, undervoltage, reverse polarity, and overtemperature.
- Diagnostics: Fault reporting/diagnostic feedback to the ECU.
- Advantages: Reduces external components, integrates protection, robust for automotive use; low quiescent current in standby.
- Applications: Drives lamps, relays, solenoids, fans, sensors, and other actuators in automotive body/electrical systems.
Note: Check the specific datasheet for exact pinout, current ratings, and timing.
- Type: Automotive-grade dual high-side smart switch (BTS728 family) for 12/24 V systems.
- Function: Two independent load switches with built-in current limiting and protection.
- Protections: Overcurrent/short-circuit, overvoltage, undervoltage, reverse polarity, and overtemperature.
- Diagnostics: Fault reporting/diagnostic feedback to the ECU.
- Advantages: Reduces external components, integrates protection, robust for automotive use; low quiescent current in standby.
- Applications: Drives lamps, relays, solenoids, fans, sensors, and other actuators in automotive body/electrical systems.
Note: Check the specific datasheet for exact pinout, current ratings, and timing.
Equivalent
Equivalents depend on packaging and exact features. BTS728L2 is an automotive high-side switch with protection and diagnostic. Closest cross-refs include Infineon BTS series (e.g., BTS727/728), ON Semiconductor NCV/NCP automotive high-side switches, STMicroelectronics automotive high-side switches, and other NXP/TI equivalents. For an exact cross, use distributor/manufacturer cross-reference tools with the BTS728L2 specs (voltage range, protections, diag, package).
Features
Key features of BTS728L2:
- Two independent high-side switches for automotive loads.
- Wide supply range (suitable for 12/24 V systems) with automotive-grade robustness.
- Simple control: input pins with enable and PWM capability for dimming/soft-start.
- Protection: current limiting and short-circuit protection (to GND or VBAT) with auto-retry; overvoltage and undervoltage lockout; thermal shutdown.
- Diagnostics: per-channel fault indication and open-load/short-to-ground reporting.
- Inrush control and soft-start to limit EMI and stress on loads.
- Low quiescent current in the off state.
- Automotive-grade (AEC-Q100 qualified) with robust ESD protection.
- Two independent high-side switches for automotive loads.
- Wide supply range (suitable for 12/24 V systems) with automotive-grade robustness.
- Simple control: input pins with enable and PWM capability for dimming/soft-start.
- Protection: current limiting and short-circuit protection (to GND or VBAT) with auto-retry; overvoltage and undervoltage lockout; thermal shutdown.
- Diagnostics: per-channel fault indication and open-load/short-to-ground reporting.
- Inrush control and soft-start to limit EMI and stress on loads.
- Low quiescent current in the off state.
- Automotive-grade (AEC-Q100 qualified) with robust ESD protection.
Pinout
8 pins (SO-8 style package).
Function: Dual high-side switch (two independent load switches) with protection and diagnostics for automotive use. Each channel provides an output (OUT1/OUT2) controlled by inputs (IN1/IN2) with protection features such as current limit/short-circuit protection and diagnostic feedback.
Function: Dual high-side switch (two independent load switches) with protection and diagnostics for automotive use. Each channel provides an output (OUT1/OUT2) controlled by inputs (IN1/IN2) with protection features such as current limit/short-circuit protection and diagnostic feedback.
Manufacturer
- Manufacturer: Infineon Technologies AG.
- What kind of company: A German multinational semiconductor maker and system solutions company (headquartered near Munich). It specializes in power semiconductors, automotive electronics, sensors, microcontrollers, and security ICs for automotive, industrial, and consumer applications.
- What kind of company: A German multinational semiconductor maker and system solutions company (headquartered near Munich). It specializes in power semiconductors, automotive electronics, sensors, microcontrollers, and security ICs for automotive, industrial, and consumer applications.
Application
BTS728L2 is a high-side switch for automotive DC loads. Typical application areas:
- Automotive body electronics: control/protect loads like motors, pumps, fans, wipers, seat actuators, door modules.
- Lighting/LED drivers for interior and exterior automotive illumination.
- Power distribution: battery line switching with current limit, short-circuit, overtemperature and undervoltage protection.
- Diagnostic feedback: status/fault reporting to the ECU.
- Rugged 12–24 V environments and mobile equipment (industrial automotive, battery-powered devices).
- Automotive body electronics: control/protect loads like motors, pumps, fans, wipers, seat actuators, door modules.
- Lighting/LED drivers for interior and exterior automotive illumination.
- Power distribution: battery line switching with current limit, short-circuit, overtemperature and undervoltage protection.
- Diagnostic feedback: status/fault reporting to the ECU.
- Rugged 12–24 V environments and mobile equipment (industrial automotive, battery-powered devices).
Package
Package type depends on the BTS728L2 variant from different suppliers. Please specify manufacturer/datasheet. Generally it’s a surface‑mount power package (e.g., DPAK/TO‑252 or SO‑16); exact type per catalog.
