Overview
The L99CL01XPTR, produced by STMicroelectronics, is an 8-channel high-side LED driver designed specifically for automotive lighting applications. This component offers a cost-effective solution for both exterior and interior LED lighting needs in vehicles.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 |
| Voltage Range | 6 V to 24 V |
| Communication Interface | SPI with daisy chain capability |
| Overcurrent Threshold | Programmable |
| RDSON | Programmable |
| Current Sense Output | Analog with SPI programmable multiplexer |
| PWM Module | Integrated synchronous PWM with programmable phase shift and pulse skipping feature |
| Power Mode | Ultra low power mode (< 5μA max at 25°C) |
| Package Type | SSO-36-EP |
Key Features
- Octal fully protected high-side switches with programmable overcurrent threshold and RDSON
- Split supply for flexible application assignment (6 V to 24V)
- SPI communication interface with daisy chain capability
- Digital diagnosis individually for each switch
- Analog current sense output with SPI programmable multiplexer
- Integrated synchronous PWM module with programmable phase shift, pulse skipping feature, and quick access via direct drive pins
- Improved EMC behavior by phase shift control and output edge shaping
- Limp home function with 6 independent direct drive pins
- Integrated fail mode handling
- Ultra low power mode (< 5μA max at 25°C)
Applications
The L99CL01XPTR is primarily designed for automotive lighting applications, including both exterior and interior LED lighting. It is suitable for various vehicle lighting systems such as headlights, taillights, and interior lighting.
Q & A
- What is the primary application of the L99CL01XPTR?
The L99CL01XPTR is designed for automotive LED lighting applications. - How many channels does the L99CL01XPTR have?
The L99CL01XPTR has 8 channels. - What is the voltage range of the L99CL01XPTR?
The voltage range is from 6 V to 24 V. - What type of communication interface does the L99CL01XPTR use?
The L99CL01XPTR uses an SPI communication interface with daisy chain capability. - Is the overcurrent threshold programmable?
Yes, the overcurrent threshold is programmable. - Does the L99CL01XPTR have an integrated PWM module?
Yes, it has an integrated synchronous PWM module with programmable phase shift and pulse skipping feature. - What is the ultra low power mode current consumption of the L99CL01XPTR?
The ultra low power mode current consumption is less than 5μA at 25°C. - What package type does the L99CL01XPTR come in?
The L99CL01XPTR comes in an SSO-36-EP package. - Does the L99CL01XPTR have digital diagnosis for each switch?
Yes, it has digital diagnosis individually for each switch. - What is the purpose of the limp home function in the L99CL01XPTR?
The limp home function allows the system to continue operating in a reduced capacity in case of a failure, using 6 independent direct drive pins.
