L6470HTR View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L6470HTR

dSPIN™ fully integrated microstepping motor driver with motion engine and SPI

STMicroelectronics 

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L6470

Electrical characteristics

Symbol

Table 5. Electrical characteristics (continued)

Parameter

Test condition

Min. Typ. Max. Unit

VREG, drop Voltage regulator output voltage drop

IREG,STBY Voltage regulator standby output current

Integrated analog-to-digital converter

IREG = 40 mA

50

mV

10 mA

NADC

VADC,ref

fS

Analog-to-digital converter resolution

Analog-to-digital converter reference

voltage

Analog-to-digital converter sampling

frequency

5

bit

VRE

V

G

fPWM

kHz

1. Accuracy depends on oscillator frequency accuracy.

2. Tested at 25 °C in a restricted range and guaranteed by characterization.

3.

Rise

time.

and

fall

time

depends

on

motor

supply

voltage

value.

Refer

to

SRout

values

in

order

to

evaluate

the

actual

rise

and

fall

4. Not valid for STBY/RST pin which has internal pull-down resistor.

5. Not valid for SW and CS pins which have internal pull-up resistors.

6. FLAG, BUSY and SYNC open drain outputs included.

7. See Figure 17 on page 38 – SPI timings diagram for details.

DocID16737 Rev 7

15/73

73

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