The L9952GXP is a power management system IC containing two low drop regulators with advanced contact monitoring and additional peripheral functions. The integrated standard serial peripheral interface (SPI) controls all L9952GXP operation modes and provides driver diagnostic functions.
The L9952GXP is a Power Management System (PMS) integrated circuit designed primarily for automotive Electronic Control Units (ECUs), such as door zone and body control modules. The device integrates two low-drop voltage regulators (V1 and V2) with advanced contact monitoring capabilities to ensure system reliability.
Key features include a LIN 2.1 compliant transceiver, a 24-bit SPI interface for mode control and diagnostics, and multiple output drivers including four high-side drivers, one high-side driver, two relay drivers, and operational amplifiers for current sensing. The IC also incorporates protection mechanisms such as window watchdogs, failsafe outputs, thermal shutdown, and temperature warning.
| Regulator Output Voltage | 5V |
|---|---|
| Regulator Current (Continuous) | 100mA, 250mA |
| Stand-by Current (Vga7stby) | 7uA |
| Stand-by Current (Vy stby) | 45uA |
| Interface Type | 24 bit SPI |
| LIN Protocol Compliance | LIN 2.1 compliant (SAEJ2602 compatible) |
| Relay Drivers | 2 Relay drivers |
The device is designed for automotive ECUs such as door zone and body control modules.
The Vga7stby current is 7uA, while Vy stby is 45uA (or 75uA in cyclic sense).
Yes, it includes a LIN 2.1 compliant transceiver that is SAEJ2602 compatible.