TDA5145 datasheet(7/24 Pages) PHILIPS

7 / 24 page

June 1994

Philips Semiconductors

Product speciﬁcation

Brushless DC motor drive circuit

TDA5145

MOT0; centre tap

input voltage

−0.5

−

VVMOT

input bias current

0.5 V

< VI < VVMOT − 1.5 V −10

−−µA

VCSW

comparator switching level

note 3

±20

±25

±30

∆V

CSW

variation in comparator switching

levels

−−

3mV

Vhys

comparator input hysteresis

−

−µV

MOT1, MOT2 and MOT3; see Fig.5

VDO

drop-out output voltage

IO = 100 mA

−

0.9

1.05

IO = 1000 mA

−

1.6

1.85

∆V

variation in saturation voltage

between lower transistors

IO = 100 mA

−−

180

∆V

variation in saturation voltage

between upper transistors

IO = −100 mA

−−

180

ILIM

current limiting

VVMOT = 10 V; RO = 1.2 Ω 1.8

2.0

2.5

rise time switching output

VVMOT = 15 V; see Fig.6

µs

fall time switching output

VVMOT = 15 V; see Fig.6

µs

VDHF

diode forward voltage (diode DH)IO = −500 mA;

notes 4 and 5; see Fig.1

−−

1.5

VDLF

diode forward voltage (diode DL)IO = 500 mA;

notes 4 and 5; see Fig.1

−1.5

−−

IDM

peak diode current

note 5

−−

2.5

+AMP IN and

−AMP IN

input voltage

−0.3

−

VP − 1.7

differential mode voltage without

‘latch-up’

−−

±V

input bias current

−−

650

input capacitance

−

Voffset

input offset voltage

−−

AMP OUT (open collector)

Isink

output sink current

−−

Vsat

saturation voltage

II =40mA

−

1.5

2.1

output voltage

−0.5

−

+18

slew rate

RL = 330 Ω; CL =50pF

−

mA/

µs

Gtr

transfer gain

0.3

−−

DIR

VIH

HIGH level input voltage

4 V < VP < 18 V

2.0

−−

VIL

LOW level input voltage

4 V < VP <18V

−−

0.8

IIL

LOW level input current

−−20

−µA

IIH

HIGH level input current

−

−µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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