33886_07 Datasheet, PDF (9/25 Pages) Freescale Semiconductor, Inc – 5.0 A H-Bridge

TIMING DIAGRAMS
Diode Reverse
LoadRCecaopvaecriytaSnpcikeeasnd/or
Diode Reverse Recovery Spikes
8.0
6.5
A^Pc^Wtiv^Me
C^Cu^ur^rr^re^enn^tt
L^Liⁱm^mi^ittⁱiⁿn^gg
(S^((SSe^eee^eeF^FFi^iigg^uu^rr^ee⁶⁷7⁾⁾ )
0
T^Iy^Sp^C.^LS^Sho^hr^ot^rC^t k^Ct.^irD^cueⁱt^te^Dct^eT^teh^cre^ts^Th^ho^rl^ed^shold
for Low-Side FETs
TTypy.pCicuarlreCnutrLreimnitt LTihmreitsinhgolTdhreshold
HHaardrdSShohrotrDt eDtectetcatnadnLdatLcaht-cOhF-OFff
[1]
IN11OoRr IINN22
IN^IN1²O^oR^rIN^IN2¹
[0] ^ININ11ININ22
I_IN_N2₂o_ORr IN_N1
I^IN^N2¹O^oR^rIN^IN1²
[1]
[0]
[1]
[0]
[1]
OOuuttppuuttss
TTrrii-sstatatetedd
[0]
OOuutptpuuttssOOppeerraational
(p(peer rInInppuuttCCoonnttrrool CConddittiioonn))
TIME
OOutputs
TTrrii-ssttaatteedd
Figure 8. Active Current Limiting Versus Time
8.0
OIS_Sv_Che_LorrcStuhCrorierctnuCt iMtirDcinueiimteDucmteTteThchrterTeshshroeoldsldhold
t_a
t_b
t_aa==TOriustpautet LOauttcphu-tOOFFFFTTimimee
tt_bb==COuurtrpeunt BLilmanitkBinlagnTkimTieme
6.5
Typical Current
TLyipmicitainl _{gPWWaMvLeofoardm}
Current Limiting
Waveform
Hardd SOhuotprtuDt etect
LSahtocrht-LOafftcPhr-eOvFeFnted During t_b
TIME
Figure 9. Active Current Limiting Detail
Analog Integrated Circuit Device Data
Freescale Semiconductor
33886
9