L99CL01XPTR STMicroelectronics

L99CL01XP 8 channel high-side LED driver for automotive applications Datasheet - production data Applications Automotive interior lighting Automotive exterior lighting Description * 3*&)7 The L99CL01XP is designed to provide a cost PowerSSO-36 effective solution for exterior and interior automotive lighting applications with LEDs. 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 Analogue 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 (< 5 A max at 25C) Table 1. Device summary Order code Package Tube Tape and real PowerSSO-36 Root part number 1 L99CL01XPTR September 2013 DocID023902 Rev 4 1/60 This is information on a product in full production. www.st.com 1Contents L99CL01XP Contents 1 Block diagram and pin description . 6 1.1 Power supply (VS, GND) . 10 1.2 VDD (logic interface supply voltage) 10 1.3 ENABLE (active high) 10 2 Functional description 11 2.1 Switch supply terminals (VSA, VSB, VSC and VSD) .11 2.2 Power Outputs OUT1 ~ OUT8 .11 2.3 Current Sense (CS) analog diagnosis 12 2.4 Control inputs (IN1, IN2, IN3, IN5, IN6, IN7) 12 2.5 PWMCLK input / wake output pin . 12 2.5.1 PWMCLK input . 12 2.5.2 WAKE output . 12 2.6 Limp input . 13 2.7 Control, protection and diagnosis . 13 2.7.1 Smart switches and gate drivers 13 2.7.2 PWM module . 13 2.7.3 Overcurrent detection 17 2.7.4 External resistor . 17 2.7.5 Channel voltage level comparator . 17 2.7.6 Device protection 17 3 SPI interface . 19 3.1 SPI communication . 19 3.1.1 CSN (chip select (active low)) 19 3.1.2 SCK (serial input clock) . 19 3.1.3 SDI (serial data input) 19 3.1.4 SDO (serial data output) 20 3.1.5 Control Data Registers (CDR) 20 3.1.6 Status Data Registers 29 3.2 Operating modes . 40 3.2.1 Standby mode 40 3.2.2 Wake up and operating modes . 40 2/60 DocID023902 Rev 4