11/20

L9949

Figure 6. Application Circuit Diagram

Open Load Detection Current of

OUT1 and OUT2

80

160

320

mA

Open load detection current of

OUT3, OUT4 and OUT5

20

40

60

mA

open load detection current of

OUT6

60

160

320

mA

minimum duration of open load

condition to set the status bit

500

3000

minimum duration of overcurrent

condition to switch off the driver

10

100

0.1

0.2

0.4

V/µs

OUT5

0.09

0.2

0.4

V/µs

0.1

0.2

0.4

V/µs

ELECTRICAL CHARACTERISTCS (continued)

GND and currents are assumed positive, when the current flows into the pin

.

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

OUTPUTS: OUT1 - OUT6

5V

STXXX

VBAT

µC

VCC

SS0

MOSI

MISO

SS1

SCK

L9949

L9949

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

GND

VCC

VS

CLK

DI

DO

CSN

OUT1

OUT2

VCC

VS

OUT3

OUT4

OUT5

OUT6

GND

CLK

DI

DO

CSN

CM0

CM1

M

M

M

M

M

M

CM

CM

*see comment

below

*see comment

below

*in case of an unexpected freewheeling condition (e.g. POR, TSD or OV event) capacitor value

must be high enough to limit maximum Vs voltage of L9949 appl_n_wmf below absolute

maximum ratings.