L6460 datasheet(1/139 Pages) STMICROELECTRONICS

部件名	L6460

功能描述	SPI configurable stepper and DC multi motor driver

PDF	139 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 139 page

July 2010

Doc ID 17713 Rev 1

1/139

139

L6460

SPI configurable stepper and DC multi motor driver

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

Description

The L6460 is optimized to control and drive multi-

motor 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.

Table 1.

Device summary

Order code

Package

Packing

L6460

TQFP64

Tray

L6460TR

Tape and reel

TQFP64 exposed pad

www.st.com

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