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L9952GXP Datasheet(PDF) 1 Page - STMicroelectronics |
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L9952GXP Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 68 page  July 2009 Doc ID 13518 Rev 5 1/68 1 L9952GXP Power management system IC Features ■ Two 5V low-drop voltage regulators (250mA, 100mA continuous mode ■ Low stand-by current: VBAT stby, 7µA; ,V1 stby, 45µA, (75µA in cycl. sense) ■ Window watchdog and fail-safe output ■ Interrupt output ■ Wake-up logic with cyclic contact monitoring ■ LIN 2.1 compliant (SAEJ2602 compatible) transceiver ■ 24 bit SPI interface for mode control and diagnostic ■ Output drivers ■ 4 High side drivers for e.g. LED or HALL (RDSon,typ = 7 Ω ) ■ 1 High side driver Out_HS ( RDSon,typ = 1 Ω ) ■ 2 Relay drivers ( RDSon,typ = 2 Ω ) ■ Outputs are short circuit protected ■ 2 Op amp's for current sensing in GND return lines ■ Temperature warning and thermal shutdown Applications ■ Automotive ECU’ s such as door zone and body control modules. Description 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. PowerSSO-36 Table 1. Device summary Package Order codes Tube Tape and reel PowerSSO-36 L9952GXP L9952GXPTR www.st.com |
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