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STMicroelectronics L9907 Automotive FET Drivers are smart power devices with advanced BCD-6s technology. The L9907 can drive all PowerMOS transistors for 3-phase BLDC motor applications. The circuit is suitable to operate in environments with high supply voltage like a double battery. Supply-related pins are capable of withstanding up to 90V and the device can control the six pre-driver channels independently.
Features
Supply voltage from 6V to 54V for working in single (12V systems), double (24V systems), and 48V battery applications
The device can withstand -7V to 90V at the FET high-side driver pins
2-differential current sense amplifiers:
Output offset selectable via SPI (0.2*VCC offset for ground shunt resistors connection, 0.5*VCC offset for phase shunt resistors connection)
All the amplifier gain factors are programmable (10, 30, 50, 100)
AEC-Q100 qualified
Input pin for each gate driver
Low standby current consumption
3.3V internal regulator supplied by VCC pin
Boost regulator for full Rdson down to 6V and overvoltage protection
3 low-side + 3 high-side drivers:
PWM operation up to 20kHz
Gate driver current adjustable via SPI in 4 steps. Range set via an external resistor. Maximum gate-controlled current 600mA
