STMicroelectronics L9177A
L9177A is a device realized in ST BCD proprietary technology, able to provide the full set of power supplies and signal preprocessing peripherals needed to control a 2 Cylinder internal combustion Engine for Low End Application (e.g. The two channels injector drivers, the O2 sensor heater and two relay drivers can be controlled both with parallel input and with SPI interface.FEATURES
TQFP64 exposed pad down GADG1606171506PS Product status link L9177A Product summary Order code Package Packing L9177ATR TQFP64 (10x10 mm), exposed pad down (7.5x7.5 mm) Tape and reel● AEC-Q100 qualified
● Supply voltage from 6 V to 18 V – Basic functionality guaranteed down to 3.9 V
● 5 V regulator up to 300 mA with thermal shutdown protection in current limitation condition
● 5 V tracking regulator up to 40 mA and short to battery protection
● 5 V standby regulator up to 2.5 mA
● 2 channels injectors drivers – Parallel and serial driving – Output internally clamped to 60 V – Minimum overcurrent at 2.8 A – Ron 0.6 Ω worst case (at Tj = 150 °C)
● 3 relay drivers – 2 with parallel and serial driving, 1 with serial driving – Output internally clamped to 45 V – Minimum guaranteed output current 1 A – Ron 1.5 Ω worst case (at Tj = 150 °C)
● Tachometer driver – Parallel and serial driving – Minimum guaranteed output current 25 mA – Ron 5 Ω worst case (at Tj = 150 °C)
● Current limi...