Description

The L6460 is optimized to control and drive multimotor system providing a unique level of integration in term of control, power and auxiliary features. Thanks to the high configurability L6460 can be customized to drive different motor architectures and to optimize the number of embedded features, such as the voltage regulators, the high precision A/D converter, the operational amplifier and the voltage comparators. The possibility to drive simultaneously stepper and DC motor makes L6460 the ideal solution for all the application featuring multi motors.

Features

■ Operating supply voltage from 13 V to 38 V

■ 4 full bridge driver configurable in multi-motor application to drive:

– 2 DC and 1 stepper motor

– 4 DC motor

■ Bridge 1 and 2 (RDSon = 0.60 Ω) can be configured to work as:

– Dual full bridge driver

– Super DC driver

– 2 half bridge driver

– 1 super half bridge

– 2 power switches

– 1 super power switch

■ Bridge 3 and 4 (RDSon = 0.85 Ω) can be configured to work as:

– Same as bridges 1 and 2, listed above

– Stepper motor driver: up to 1/16 microstepping

– 2 buck regulators (bridge 3)

– 1 super buck regulator

– Battery charger (bridge 4)

■ Power supply management

– One switching buck regulator

– One switching regulator controller

– One linear regulator

– One battery charger

■ Fully protected through

– Thermal warning and shutdown

– Overcurrent protection

– Undervoltage lock-out

■ SPI interface

■ Programmable watchdog function

■ Integrated power sequencing and supervisory functions with fault signaling through serial interface and external reset pin

■ Very low power dissipation in shut-down mode (~35 mW)

■ Auxiliary features

– Multi-channels 9 bit ADC

– 2 operational amplifiers

– Digital comparator

– 2 low voltage power switches

– 3 general purpose PWM generators

– 14 GPIOs