TDA5240T datasheet(8/19 Pages) PHILIPS

Part #	TDA5240T

Description	Brushless DC motor drive circuit

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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8 / 19 page

Philips Semiconductors

Product specification

TDA5240T

Brushless DC motor drive circuit

November 96

8/19

Symbol

Unit

Max

Typ

Min

Conditions

Parameter

PG IN

VI

Input voltage range

–0.3

–

+5

V

IB

Input bias current

–

650

nA

RI

Input resistance

5

–

30

k

W

VCSW

Comparator switching level

86

93

107

mV

+/–VIAMP

Comparator input hysteresis

–

8

–

mV

PG OUT (open collector)

VOL

Output voltage LOW

IO = 1.6 mA

–

0.4

V

VOHmax

Output voltage HIGH

–

VP

V

tTHL

Transition time

HIGH-to-LOW;

CL = 50 pF;

RL = 10 k

W

–

0.5

–

ms

tPL

Pulse width LOW

4

–

10

ms

FG/PG (open collector)

VOL

Output voltage LOW

IO =1.6 mA

–

0.4

V

VOHmax

Maximum output voltage HIGH

–

VP

V

tTHL

Transition time

HIGH–to–LOW

CL = 50 pF

RL = 10 k

W

–

0.5

–

ms

Ratio of FG frequency and

commutation frequency

–

1:2

–

d

Duty factor

–

50

–

%

tPL

Pulse width LOW

after a PG IN pulse

5

7

15

ms

CAP–ST

II

Output sink current

1.5

2.0

2.5

mA

IO

Output source current

–2.5

–2.0

–1.5

mA

VSWL

Lower switching level

–

0.20

–

V

VSWM

Middle switching level

–

0.30

–

V

VSWH

Upper switching level

–

2.20

–

V

CAP–TI

II

Output sink current

22

30

38

mA

IOH

Output source current HIGH

–70

–63

–56

mA

IOL

Lower source current LOW

–6.0

–5.3

–4.6

mA

VSWL

Lower switching level

–

50

–

mV

VSWM

Middle switching level

–

0.30

–

V

VSWH

Upper switching level

–

2.20

–

V

CAP–CDM

II

Output sink current

10.6

16.2

22

mA

IO

Output source current

–5.3

–8.1

–11

mA

II/IO

Ratio of sink to source current

1.85

2.05

2.25

VIL

Input voltage level LOW

780

860

940

mV

VIH

Input voltage level HIGH

2.3

2.4

2.55

V

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