UM1685 datasheet(5/31 Pages) STMICROELECTRONICS

Part #	UM1685

Description	EVAL6480H and EVAL6482H: high power microstepping motor drivers

PDF	31 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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5 / 31 page

DocID025458 Rev 2

5/31

UM1685

Boards description

1.1

EVAL6480H

Figure 1. EVAL6480H - jumper and connector location

Table 1. EVAL6480H - electrical specifications

Parameter

Value

Supply voltage (VS)

10.5 to 85 V

Maximum output current (each phase)

25 Ar.m.s. at 25 °C(1)

1. Refer to STD25F10 datasheet for details.

External MOSFET Rds(ON)

33 m

 typical at 25 °C(1)

Gate driver supply voltage (VCC)

7.5 V to 15 V

Logic supply voltage

3.3 V

Logic interface supply voltage

3.3 V or 5 V

Low level logic inputs

0 V

High level logic input

VDD(2)

2. All logic inputs are 5 V tolerant.

Operating temperature

-25 °C to +125 °C

FLAG LED

Supply management

jumpers

Phase A

connector

Phase B

connector

Master SPI

connector

Application

area

Slave SPI

connector

External switch

connector

(SW input)

Motor supply voltage

compensation regulation

(ADCIN input)

Power supply connector

(10.5 V - 85 V)

Supply management

connector

(VS, VSREG, VCCREG and GND)

BUSY LED

AM14874v1

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