Features
 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)
– Serial driving
– Output internally clamped to 45 V
– Minimum guaranteed output current 1 A
(2 A during in-rush)
– Ron 1.5 Ω worst case (at Tj = 150 °C)
 Stepper motor driver
– Parallel driving
– Minimum guaranteed output current
500 mA - full step
– Ron 2.6 Ω worst case on the diagonal
(at Tj = 150 °C)
 O2 sensor heater
– Parallel and serial driving
– Output internally clamped to 45 V
– Minimum guaranteed output current 3 A
– Ron 0.5 Ω worst case (at Tj = 150 °C)
 Protected high side driver
– 100 mA min. current limitation threshold
 Full diagnosis by SPI
– Injector driver: OL, STG, OC
– Relay and Lamp drivers: OL, STG, OC
– O2 sensor heater: OL, STG, OC
– Tachometer: OL, STG, OC
– Stepper motor driver: OL, STG, STB, OC
– general diagnostic: over-temperature
 Protection for STB, STG (for stepper motor
drivers and tracking regulator)
 Self configuring variable reluctance sensor
interface
 K-line transceiver
 Microcontroller reset logic
 Packaged in PowerSO46