L6472PD 查看數據表（PDF） - STMicroelectronics

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L6472PD

Fully integrated microstepping motor driver

STMicroelectronics 

L6472

3

Electrical characteristics

Electrical characteristics

VSA = VSB = 36 V; VDD = 3.3 V; internal 3 V regulator; TJ = 25 °C, unless otherwise

specified.

Symbol

Table 5. Electrical characteristics

Parameter

Test condition

General

VSthOn

VSthOff

VSthHyst

VS UVLO turn-on threshold

VS UVLO turn-off threshold

VS UVLO threshold hysteresis

Iq

Quiescent motor supply current

Tj(WRN)

Tj(SD)

Thermal warning temperature

Thermal shutdown temperature

Charge pump

Vpump

Voltage swing for charge pump

oscillator

fpump,min

Minimum charge pump oscillator

frequency(1)

fpump,max

Maximum charge pump oscillator

frequency(1)

Iboot Average boot current

Output DMOS transistor

RDS(on)

High-side switch on-resistance

Low-side switch on-resistance

IDSS Leakage current

tr

Rise time(3)

Internal oscillator selected;

VREG = 3.3 V ext; CP floating

fsw,A = fsw,B = 15.6 kHz

POW_SR = ‘10’

Tj = 25 °C, Iout = 3 A

Tj = 125 °C,(2) Iout = 3 A

Tj = 25 °C, Iout = 3 A

Tj = 125 °C,(2) Iout = 3 A

OUT = VS

OUT = GND

POW_SR = '00', Iout = +1 A

POW_SR = '00', Iout = -1 A

POW_SR = ‘11’, Iout = ±1 A

POW_SR = ‘10’, Iout = ±1 A

POW_SR = ‘01’, Iout = ±1 A

Min. Typ. Max. Unit

7.5 8.2 8.9 V

6.6 7.2 7.8 V

0.7 1 1.3 V

0.5 0.65 mA

130

°C

160

°C

10

V

660

kHz

800

kHz

1.1 1.4 mA

0.37

0.51



0.18

0.23

3.1

mA

-0.3

100

80

100

ns

200

300

DocID022729 Rev 5

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