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TDA5142

Brushless DC motor drive circuit

Philips Electronics 

Philips Semiconductors

Brushless DC motor drive circuit

3

P tot

(W)

2

MLB777

Product specification

TDA5142T

HANDLING

Every pin withstands the ESD test according to

“MIL-STD-883C class 2”. Method 3015 (HBM 1500 Ω,

100 pF) 3 pulses + and 3 pulses − on each pin referenced

to ground.

1

0

50

0

50 70 100

150

200

Tamb (oC)

Fig.3 Power derating curve.

CHARACTERISTICS

VP = 14.5 V; Tamb = 25 °C; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

Supply

VP

supply voltage

note 1

4

IP

supply current

note 2

−

VVMOT

input voltage to the output driver

see Fig.1

3

stages

Thermal protection

TSD

local temperature at temperature

130

sensor causing shut-down

∆T

reduction in temperature before

after shut-down

−

switch-on

COMP-A, COMP-B, COMP-C and MOT0

VI

II

VCSW

∆VCSW

input voltage

input bias current

comparator switching level

variation in comparator switching

levels

Vhys

comparator input hysteresis

−0.5

0.5 V < VI < VVMOT − 1.5 V −10

note 3

±20

−3

−

TYP. MAX.

−

18

5.2

6.25

−

18

140

150

TSD − 30 −

−

VVMOT

−

0

±25

±30

0

+3

75

−

UNIT

V

mA

V

°C

K

V

µA

mV

mV

µV

June 1994

6

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