BUY IR21571S https://www.utsource.net/itm/p/534330.html
FULLY INTEGRATED BALLAST CONTROL IC
Description: High and Low Side Driver Features: High and Low Side Driver Low RDS(on) Outputs Low Input and Output Capacitance Internal Thermal Shutdown Undervoltage Lockout Overcurrent Protection Operating Voltage Range of 4.5V to 20V Output Current of up to 1.5A Operating Temperature Range of -40°C to +150°C Available in SOP16 Package Applications: Automotive Lighting Motor Control Industrial Power Supplies Motor Drives Power Management (For reference only)