Overview
The L9301, produced by STMicroelectronics, is a highly versatile and robust automotive-grade power driver IC. It features a SPI (Serial Peripheral Interface) controlled octal channel configuration, allowing for a variety of driver setups. The device includes 12 integrated PowerMOS transistors, which can be configured as high/low side drivers or low side drivers, making it suitable for a range of automotive applications. The L9301 is AEC-Q100 qualified, ensuring it meets stringent automotive reliability standards.
Key Specifications
| Specification | Value |
|---|---|
| Operating Battery Supply Voltage | 5 V to 18 V |
| Operating Vdd Supply Voltage | 4.75 V to 5.25 V |
| Logic Inputs | TTL/CMOS-compatible |
| Output Voltage Clamping (Low-Side) | 37 V (typ.) |
| Maximum On-Resistance (High/Low Side Drivers) | 0.6 Ω @ Tj = 175 °C |
| Maximum On-Resistance (Low Side Drivers) | 0.3 Ω @ Tj = 175 °C |
| Package Type | PowerSSO36 (Exp. pad opt.B) |
| Operating Temperature Range | -40 °C to 150 °C |
| ESD Protection | Available |
| Over Temperature Protection | Available |
| Overcurrent Diagnostics | Latched or Unlatched mode for each channel |
Key Features
- Eight integrated PowerMOS configurable as 8 low side ON-OFF, high/low side PWM, or other configurations.
- Configurable high/low side drivers with Ron(max) = 0.6 Ω and low side drivers with Ron(max) = 0.3 Ω @ Tj = 175 °C.
- SPI interface for output control and diagnosis data communication.
- Additional PWM inputs for all 8 outputs.
- Over temperature protection, open load, short to GND, and short to VB diagnostics.
- Overcurrent diagnostics in latched or unlatched mode for each channel.
- Controlled Slew-rate for improved EMC behavior.
- AEC-Q100 qualified for automotive reliability.
Applications
The L9301 is primarily designed for automotive applications, including but not limited to:
- Vehicle Control Units (VCUs)
- Battery Management Systems (BMS)
- Power Distribution Control Units (PDCU)
- Other automotive power management and control systems.
Q & A
- What is the operating battery supply voltage range of the L9301?
The operating battery supply voltage range is 5 V to 18 V.
- What is the maximum on-resistance of the high/low side drivers?
The maximum on-resistance of the high/low side drivers is 0.6 Ω @ Tj = 175 °C.
- Does the L9301 support SPI interface?
- What types of diagnostics does the L9301 support?
The L9301 supports over temperature protection, open load, short to GND, short to VB, and overcurrent diagnostics in latched or unlatched mode for each channel.
- Is the L9301 AEC-Q100 qualified?
- What is the package type of the L9301?
The package type is PowerSSO36 (Exp. pad opt.B).
- What is the operating temperature range of the L9301?
The operating temperature range is -40 °C to 150 °C.
- Can the L9301 be configured in different driver setups?
- Does the L9301 have controlled Slew-rate for EMC behavior?
- What are some typical applications of the L9301?
