Data Sheet
1
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
6PDUW3RZHU+LJK6LGH6ZLWFK
3URGXFW6XPPDU\
2YHUYROWDJHSURWHFWLRQ
9
EE$=
9
2SHUDWLQJYROWDJH
9
EERQ
9
2QVWDWHUHVLVWDQFH
5
21
PΩ
1RPLQDOORDGFXUUHQW
,
/QRP
$
)HDWXUHV
•2YHUORDGSURWHFWLRQ
• &XUUHQWOLPLWDWLRQ
•6KRUWFLUFXLWSURWHFWLRQ
•7KHUPDOVKXWGRZQZLWKUHVWDUW
•2YHUYROWDJHSURWHFWLRQLQFOXGLQJORDGGXPS
•)DVWGHPDJQHWL]DWLRQRILQGXFWLYHORDGV
• 5HYHUVHEDWWHU\SURWHFWLRQZLWKH[WHUQDOUHVLVWRU
•&026FRPSDWLEOHLQSXW
•/RVVRI*1'DQGORVVRI9
EE
SURWHFWLRQ
•(6'3URWHFWLRQ
•9HU\ORZVWDQGE\FXUUHQW
$SSOLFDWLRQ
•$OOW\SHVRIUHVLVWLYHLQGXFWLYHDQGFDSDFLWLYHORDGV
•&FRPSDWLEOHSRZHUVZLWFKIRU9DQG9'&DSSOLFDWLRQV
•5HSODFHVHOHFWURPHFKDQLFDOUHOD\VDQGGLVFUHWHFLUFXLWV
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input,
monolithically integrated in Smart SIPMOS technology.
Providing embedded protective functions.
PG-DSO8
• AEC qualified
• Green product (RoHS complinat)
Data Sheet
2
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
%ORFN'LDJUDP
9EE
,1
6LJQDO*1'
(6'
PLQL352)(7
287
*1'
/RJLF
9ROWDJH
VRXUFH
&KDUJHSXPS
/HYHOVKLIWHU
7HPSHUDWXUH
VHQVRU
5HFWLILHU
/LPLWIRU
XQFODPSHG
LQGORDGV
*DWH
SURWHFWLRQ
&XUUHQW
OLPLW
/RDG*1'
/RDG
9
/RJLF
2YHUYROWDJH
SURWHFWLRQ
3LQ
6\PERO
)XQFWLRQ
*1'
/RJLFJURXQG
,1
,QSXWDFWLYDWHVWKHSRZHUVZLWFKLQFDVHRIORJLFKLJKVLJQDO
287
2XWSXWWRWKHORDG
1&
QRWFRQQHFWHG
9EE
3RVLWLYHSRZHUVXSSO\YROWDJH
9EE
3RVLWLYHSRZHUVXSSO\YROWDJH
9EE
3RVLWLYHSRZHUVXSSO\YROWDJH
9EE
3RVLWLYHSRZHUVXSSO\YROWDJH
3LQFRQILJXUDWLRQ
*1'
•
9EE
,1
9EE
287
9EE
1&
9EE
7RSYLHZ
Data Sheet
3
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
0D[LPXP5DWLQJVDW7
M
&XQOHVVRWKHUZLVHVSHFLILHG
3DUDPHWHU
6\PERO
9DOXH
8QLW
6XSSO\YROWDJH
9
EE
9
6XSSO\YROWDJHIRUIXOOVKRUWFLUFXLWSURWHFWLRQ
T
j
&
9
EE6&
&RQWLQXRXVLQSXWYROWDJH
9
,1
/RDGFXUUHQW6KRUWFLUFXLWFXUUHQWVHHSDJH ,
/
VHOIOLPLWHG
$
&XUUHQWWKURXJKLQSXWSLQ'&
,
,1
±
P$
Operating temperature
T
j
&
Storage temperature
T
stg
3RZHUGLVVLSDWLRQ
P
tot
:
,QGXFWLYHORDGVZLWFKRIIHQHUJ\GLVVLSDWLRQ
VLQJOHSXOVHVHHSDJH
7M &9
EE
9,
/
$
(
$6
P-
/RDGGXPSSURWHFWLRQ
9
/RDG'XPS
9
$
9
6
5
,
ΩW
G
PV9
,1
ORZRUKLJK9
$
9
5
/
Ω
5
/
Ω
9
/RDGGXPS
9
(OHFWURVWDWLFGLVFKDUJHYROWDJH
+XPDQ%RG\0RGHO
DFFRUGLQJWR$16,(26(6'6
(6'670
,QSXWSLQ
DOORWKHUSLQV
9
(6'
±
±
N9
7KHUPDO&KDUDFWHULVWLFV
7KHUPDOUHVLVWDQFH#PLQIRRWSULQW
5
WK-$
.:
7KHUPDOUHVLVWDQFH#FP
FRROLQJDUHD
5
WK-$
'HYLFHRQPP PP PPHSR[\3&%)5ZLWKFPRQHOD\HUPWKLFNFRSSHUDUHDIRUGUDLQ
FRQQHFWLRQ3&%LVYHUWLFDOZLWKRXWEORZQDLUVHHSDJH
QRWVXEMHFWWRSURGXFWLRQWHVWVSHFLILHGE\GHVLJQ
9/RDGGXPSLVVHWXSZLWKRXWWKH'87FRQQHFWHGWRWKHJHQHUDWRUSHU,62DQG',1
6XSSO\YROWDJHVKLJKHUWKDQ9EE$=UHTXLUHDQH[WHUQDOFXUUHQWOLPLWIRUWKH*1'SLQHJZLWKD
ΩUHVLVWRULQ*1'FRQQHFWLRQ$UHVLVWRUIRUWKHSURWHFWLRQRIWKHLQSXWLVLQWHJUDWHG
Data Sheet
4
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
(OHFWULFDO&KDUDFWHULVWLFV
3DUDPHWHUDQG&RQGLWLRQV
6\PERO
9DOXHV
8QLW
DW7
M
&9
EE
9
XQOHVVRWKHUZLVHVSHFLILHG
PLQ
W\S
PD[
/RDG6ZLWFKLQJ&DSDELOLWLHVDQG&KDUDFWHULVWLFV
2QVWDWHUHVLVWDQFH
T
j
&,
/
$9
EE
9
T
j
&
5
21
PΩ
1RPLQDOORDGFXUUHQW'HYLFHRQ3&%
T
C
&7
M
≤&
,
/QRP
$
7XUQRQWLPHWR
9
287
5
/
Ω
W
RQ
V
7XUQRIIWLPHWR
9
287
5
/
Ω
W
RII
6OHZUDWHRQWR9
287
5
/
Ω
G9GW
RQ
9V
6OHZUDWHRIIWR9
287
5
/
Ω
G9GW
RII
2SHUDWLQJ3DUDPHWHUV
2SHUDWLQJYROWDJH
9
EERQ
9
8QGHUYROWDJHVKXWGRZQRIFKDUJHSXPS
9
EEXQGHU
8QGHUYROWDJHUHVWDUWRIFKDUJHSXPS
9
EEXFS
6WDQGE\FXUUHQW
T
j
&9
,1
9
7
M
&
9
,1
9
,
EERII
$
/HDNDJHRXWSXWFXUUHQWLQFOXGHGLQ
,
EERII
9
,1
9
,
/RII
2SHUDWLQJFXUUHQW
9
,1
9
,
*1'
P$
'HYLFHRQPP PP PPHSR[\3&%)5ZLWKFPRQHOD\HUPWKLFNFRSSHUDUHDIRUGUDLQ
FRQQHFWLRQ3&%LVYHUWLFDOZLWKRXWEORZQDLUVHHSDJH
KLJKHUFXUUHQWGXHWHPSHUDWXUHVHQVRU
Data Sheet
5
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
(OHFWULFDO&KDUDFWHULVWLFV
3DUDPHWHUDQG&RQGLWLRQV
6\PERO
9DOXHV
8QLW
DW7
M
&9
EE
9
XQOHVVRWKHUZLVHVSHFLILHG
PLQ
W\S
PD[
3URWHFWLRQ)XQFWLRQV
,QLWLDOSHDNVKRUWFLUFXLWFXUUHQWOLPLWSLQWR
T
j
&9
EE
9
T
j
&
T
j
&
,
/6&S
$
5HSHWLWLYHVKRUWFLUFXLWFXUUHQWOLPLW
7
M
7
MW
VHHWLPLQJGLDJUDPV
,
/6&U
2XWSXWFODPSLQGXFWLYHORDGVZLWFKRII
DW9
287
9
EE
9
21&/
,
EE
P$
9
21&/
9
2YHUYROWDJHSURWHFWLRQ
,
EE
P$
9
EE$=
7KHUPDORYHUORDGWULSWHPSHUDWXUH
7
MW
&
7KHUPDOK\VWHUHVLV
∆7
MW
.
5HYHUVH%DWWHU\
5HYHUVHEDWWHU\
9
EE
9
'UDLQVRXUFHGLRGHYROWDJH9
287
!9
EE
T
j
&
9
21
P9
,QWHJUDWHGSURWHFWLRQIXQFWLRQVDUHGHVLJQHGWRSUHYHQW,&GHVWUXFWLRQXQGHUIDXOWFRQGLWLRQV
GHVFULEHGLQWKHGDWDVKHHW)DXOWFRQGLWLRQVDUHFRQVLGHUHGDVRXWVLGHQRUPDORSHUDWLQJUDQJH
3URWHFWLRQIXQFWLRQVDUHQRWGHVLJQHGIRUFRQWLQXRXVUHSHWLWLYHRSHUDWLRQ
VHHDOVR921&/LQFLUFXLWGLDJUDPRQSDJH
5HTXLUHVDΩUHVLVWRULQ*1'FRQQHFWLRQ7KHUHYHUVHORDGFXUUHQWWKURXJKWKHLQWULQVLFGUDLQVRXUFHGLRGHKDV
WREHOLPLWHGE\WKHFRQQHFWHGORDG3RZHUGLVVLSDWLRQLVKLJKHUFRPSDUHGWRQRUPDORSHUDWLQJFRQGLWLRQVGXHWRWKH
YROWDJHGURSDFURVVWKHGUDLQVRXUFHGLRGH7KHWHPSHUDWXUHSURWHFWLRQLVQRWDFWLYHGXULQJUHYHUVHFXUUHQWRSHUDWLRQ
,QSXWFXUUHQWKDVWREHOLPLWHGVHHPD[UDWLQJVSDJH
Data Sheet
6
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
(OHFWULFDO&KDUDFWHULVWLFV
3DUDPHWHUDQG&RQGLWLRQV
6\PERO
9DOXHV
8QLW
DW7
M
&9
EE
9
XQOHVVRWKHUZLVHVSHFLILHG
PLQ
W\S
PD[
,QSXW
,QSXWWXUQRQWKUHVKROGYROWDJH
VHHSDJH
9
,17
9
,QSXWWXUQRIIWKUHVKROGYROWDJH
VHHSDJH
9
,17
,QSXWWKUHVKROGK\VWHUHVLV
∆9
,17
2IIVWDWHLQSXWFXUUHQWVHHSDJH
9
,1
9
,
,1RII
$
2QVWDWHLQSXWFXUUHQWVHHSDJH
9
,1
9
,
,1RQ
,QSXWUHVLVWDQFHVHHSDJH
5
,
k
Ω
Data Sheet
7
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
7HUPV
,QGXFWLYHDQGRYHUYROWDJHRXWSXWFODPS
352)(7
9
,1
287
*1'
EE
9,1
,,1
9EE
,EE
,/
9287
,*1'
921
5*1'
9EE
287
*1'
9=
921
921FODPSHGWR9W\S
2YHUYROWDJHSURWHFWLRQRIORJLFSDUW
,QSXWFLUFXLW(6'SURWHFWLRQ
9EE
,1
*1'
*1'
5
6LJQDO*1'
/RJLF
9 =
,
5
9 =
,1
*1'
,
5
='
,,
,
(6'
7KHXVHRI(6']HQHUGLRGHVDVYROWDJHFODPS
DW'&FRQGLWLRQVLVQRWUHFRPPHQGHG
9
=
9W\S9
=
9
EE$=
9W\S
5
,
NΩW\S5
*1'
Ω
5HYHUVHEDWWHU\SURWHFWLRQ
*1'
/RJLF
,1
287
/
5
3RZHU*1'
*1'
5
6LJQDO*1'
3RZHU
,QYHUVH
,
5
9EE
'LRGH
5
*1'
Ω5
,
NΩW\S
7HPSHUDWXUHSURWHFWLRQLVQRWDFWLYHGXULQJ
LQYHUVHFXUUHQW
Data Sheet
8
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
9EEGLVFRQQHFWZLWKFKDUJHGLQGXFWLYH
ORDG
352)(7
9
,1
287
*1'
EE
9EE
KLJK
*1'GLVFRQQHFW
352)(7
9
,1
287
*1'
EE
9EE 9,1
9*1'
,QGXFWLYH/RDGVZLWFKRIIHQHUJ\
GLVVLSDWLRQ
352)(7
9
,1
287
*1'
EE
(
(
(
($6
EE
/
5
(/RDG
5/
/
^
/
=
*1'GLVFRQQHFWZLWK*1'SXOOXS
352)(7
9
,1
287
*1'
EE
9EE
9*1'
9,1
(QHUJ\VWRUHGLQORDGLQGXFWDQFH(
/
ò / ,
/
:KLOHGHPDJQHWL]LQJORDGLQGXFWDQFH
WKHHQpUJ\GLVVLSDWHGLQ352)(7LV
(
$6
(
EE
(
/
(
5
9
21&/
L
/
WGW
ZLWKDQDSSUR[LPDWHVROXWLRQIRU5
/
!Ω
(
,
/
5
9
9
,
5
9
$ 6
/
/
EE
2 8 7 & /
/
/
2 8 7 & /
=
+
+
_
OQ
_
_
_
Data Sheet
9
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
7\SWUDQVLHQWWKHUPDOLPSHGDQFH
=
WK-$
IW
S
#FP
KHDWVLQNDUHD
3DUDPHWHU' W
S
7
V
W
S
.:
=
WK-$
'
'
'
'
'
'
'
7\SWUDQVLHQWWKHUPDOLPSHGDQFH
=
WK-$
IW
S
#PLQIRRWSULQW
3DUDPHWHU' W
S
7
V
W
S
.:
=
WK-$
'
'
'
'
'
'
'
7\SRQVWDWHUHVLVWDQFH
5
21
I7
M
9
EE
99
LQ
KLJK
&
7
M
PΩ
5
RQ
7\SRQVWDWHUHVLVWDQFH
5
21
I9
EE
,
/
$9
LQ
KLJK
9
9
EE
PΩ
5
21
&
&
&
Data Sheet
10
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
7\SWXUQRIIWLPH
W
RII
I7
M
5
/
Ω
&
T
j
V
W
RII
9
9
7\SWXUQRQWLPH
W
RQ
I7
M
5
/
Ω
&
T
j
V
W
RQ
9
9
9
7\SVOHZUDWHRQ
G9GW
RQ
I7
M
5
/
Ω
&
T
j
9V
G9 GW
RQ
9
9
9
7\SVOHZUDWHRII
G9GW
RII
I7
M
5
/
Ω
&
T
j
9V
G9 GW
RII
9
9
9
Data Sheet
1
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
6PDUW3RZHU+LJK6LGH6ZLWFK
3URGXFW6XPPDU\
2YHUYROWDJHSURWHFWLRQ
9
EE$=
9
2SHUDWLQJYROWDJH
9
EERQ
9
2QVWDWHUHVLVWDQFH
5
21
PΩ
1RPLQDOORDGFXUUHQW
,
/QRP
$
)HDWXUHV
•2YHUORDGSURWHFWLRQ
• &XUUHQWOLPLWDWLRQ
•6KRUWFLUFXLWSURWHFWLRQ
•7KHUPDOVKXWGRZQZLWKUHVWDUW
•2YHUYROWDJHSURWHFWLRQLQFOXGLQJORDGGXPS
•)DVWGHPDJQHWL]DWLRQRILQGXFWLYHORDGV
• 5HYHUVHEDWWHU\SURWHFWLRQZLWKH[WHUQDOUHVLVWRU
•&026FRPSDWLEOHLQSXW
•/RVVRI*1'DQGORVVRI9
EE
SURWHFWLRQ
•(6'3URWHFWLRQ
•9HU\ORZVWDQGE\FXUUHQW
$SSOLFDWLRQ
•$OOW\SHVRIUHVLVWLYHLQGXFWLYHDQGFDSDFLWLYHORDGV
•&FRPSDWLEOHSRZHUVZLWFKIRU9DQG9'&DSSOLFDWLRQV
•5HSODFHVHOHFWURPHFKDQLFDOUHOD\VDQGGLVFUHWHFLUFXLWV
General Description
N channel vertical power FET with charge pump, ground referenced CMOS compatible input,
monolithically integrated in Smart SIPMOS technology.
Providing embedded protective functions.
PG-DSO8
• AEC qualified
• Green product (RoHS complinat)
Data Sheet
2
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
%ORFN'LDJUDP
9EE
,1
6LJQDO*1'
(6'
PLQL352)(7
287
*1'
/RJLF
9ROWDJH
VRXUFH
&KDUJHSXPS
/HYHOVKLIWHU
7HPSHUDWXUH
VHQVRU
5HFWLILHU
/LPLWIRU
XQFODPSHG
LQGORDGV
*DWH
SURWHFWLRQ
&XUUHQW
OLPLW
/RDG*1'
/RDG
9
/RJLF
2YHUYROWDJH
SURWHFWLRQ
3LQ
6\PERO
)XQFWLRQ
*1'
/RJLFJURXQG
,1
,QSXWDFWLYDWHVWKHSRZHUVZLWFKLQFDVHRIORJLFKLJKVLJQDO
287
2XWSXWWRWKHORDG
1&
QRWFRQQHFWHG
9EE
3RVLWLYHSRZHUVXSSO\YROWDJH
9EE
3RVLWLYHSRZHUVXSSO\YROWDJH
9EE
3RVLWLYHSRZHUVXSSO\YROWDJH
9EE
3RVLWLYHSRZHUVXSSO\YROWDJH
3LQFRQILJXUDWLRQ
*1'
•
9EE
,1
9EE
287
9EE
1&
9EE
7RSYLHZ
Data Sheet
3
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
0D[LPXP5DWLQJVDW7
M
&XQOHVVRWKHUZLVHVSHFLILHG
3DUDPHWHU
6\PERO
9DOXH
8QLW
6XSSO\YROWDJH
9
EE
9
6XSSO\YROWDJHIRUIXOOVKRUWFLUFXLWSURWHFWLRQ
T
j
&
9
EE6&
&RQWLQXRXVLQSXWYROWDJH
9
,1
/RDGFXUUHQW6KRUWFLUFXLWFXUUHQWVHHSDJH ,
/
VHOIOLPLWHG
$
&XUUHQWWKURXJKLQSXWSLQ'&
,
,1
±
P$
Operating temperature
T
j
&
Storage temperature
T
stg
3RZHUGLVVLSDWLRQ
P
tot
:
,QGXFWLYHORDGVZLWFKRIIHQHUJ\GLVVLSDWLRQ
VLQJOHSXOVHVHHSDJH
7M &9
EE
9,
/
$
(
$6
P-
/RDGGXPSSURWHFWLRQ
9
/RDG'XPS
9
$
9
6
5
,
ΩW
G
PV9
,1
ORZRUKLJK9
$
9
5
/
Ω
5
/
Ω
9
/RDGGXPS
9
(OHFWURVWDWLFGLVFKDUJHYROWDJH
+XPDQ%RG\0RGHO
DFFRUGLQJWR$16,(26(6'6
(6'670
,QSXWSLQ
DOORWKHUSLQV
9
(6'
±
±
N9
7KHUPDO&KDUDFWHULVWLFV
7KHUPDOUHVLVWDQFH#PLQIRRWSULQW
5
WK-$
.:
7KHUPDOUHVLVWDQFH#FP
FRROLQJDUHD
5
WK-$
'HYLFHRQPP PP PPHSR[\3&%)5ZLWKFPRQHOD\HUPWKLFNFRSSHUDUHDIRUGUDLQ
FRQQHFWLRQ3&%LVYHUWLFDOZLWKRXWEORZQDLUVHHSDJH
QRWVXEMHFWWRSURGXFWLRQWHVWVSHFLILHGE\GHVLJQ
9/RDGGXPSLVVHWXSZLWKRXWWKH'87FRQQHFWHGWRWKHJHQHUDWRUSHU,62DQG',1
6XSSO\YROWDJHVKLJKHUWKDQ9EE$=UHTXLUHDQH[WHUQDOFXUUHQWOLPLWIRUWKH*1'SLQHJZLWKD
ΩUHVLVWRULQ*1'FRQQHFWLRQ$UHVLVWRUIRUWKHSURWHFWLRQRIWKHLQSXWLVLQWHJUDWHG
Data Sheet
4
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
(OHFWULFDO&KDUDFWHULVWLFV
3DUDPHWHUDQG&RQGLWLRQV
6\PERO
9DOXHV
8QLW
DW7
M
&9
EE
9
XQOHVVRWKHUZLVHVSHFLILHG
PLQ
W\S
PD[
/RDG6ZLWFKLQJ&DSDELOLWLHVDQG&KDUDFWHULVWLFV
2QVWDWHUHVLVWDQFH
T
j
&,
/
$9
EE
9
T
j
&
5
21
PΩ
1RPLQDOORDGFXUUHQW'HYLFHRQ3&%
T
C
&7
M
≤&
,
/QRP
$
7XUQRQWLPHWR
9
287
5
/
Ω
W
RQ
V
7XUQRIIWLPHWR
9
287
5
/
Ω
W
RII
6OHZUDWHRQWR9
287
5
/
Ω
G9GW
RQ
9V
6OHZUDWHRIIWR9
287
5
/
Ω
G9GW
RII
2SHUDWLQJ3DUDPHWHUV
2SHUDWLQJYROWDJH
9
EERQ
9
8QGHUYROWDJHVKXWGRZQRIFKDUJHSXPS
9
EEXQGHU
8QGHUYROWDJHUHVWDUWRIFKDUJHSXPS
9
EEXFS
6WDQGE\FXUUHQW
T
j
&9
,1
9
7
M
&
9
,1
9
,
EERII
$
/HDNDJHRXWSXWFXUUHQWLQFOXGHGLQ
,
EERII
9
,1
9
,
/RII
2SHUDWLQJFXUUHQW
9
,1
9
,
*1'
P$
'HYLFHRQPP PP PPHSR[\3&%)5ZLWKFPRQHOD\HUPWKLFNFRSSHUDUHDIRUGUDLQ
FRQQHFWLRQ3&%LVYHUWLFDOZLWKRXWEORZQDLUVHHSDJH
KLJKHUFXUUHQWGXHWHPSHUDWXUHVHQVRU
Data Sheet
5
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
(OHFWULFDO&KDUDFWHULVWLFV
3DUDPHWHUDQG&RQGLWLRQV
6\PERO
9DOXHV
8QLW
DW7
M
&9
EE
9
XQOHVVRWKHUZLVHVSHFLILHG
PLQ
W\S
PD[
3URWHFWLRQ)XQFWLRQV
,QLWLDOSHDNVKRUWFLUFXLWFXUUHQWOLPLWSLQWR
T
j
&9
EE
9
T
j
&
T
j
&
,
/6&S
$
5HSHWLWLYHVKRUWFLUFXLWFXUUHQWOLPLW
7
M
7
MW
VHHWLPLQJGLDJUDPV
,
/6&U
2XWSXWFODPSLQGXFWLYHORDGVZLWFKRII
DW9
287
9
EE
9
21&/
,
EE
P$
9
21&/
9
2YHUYROWDJHSURWHFWLRQ
,
EE
P$
9
EE$=
7KHUPDORYHUORDGWULSWHPSHUDWXUH
7
MW
&
7KHUPDOK\VWHUHVLV
∆7
MW
.
5HYHUVH%DWWHU\
5HYHUVHEDWWHU\
9
EE
9
'UDLQVRXUFHGLRGHYROWDJH9
287
!9
EE
T
j
&
9
21
P9
,QWHJUDWHGSURWHFWLRQIXQFWLRQVDUHGHVLJQHGWRSUHYHQW,&GHVWUXFWLRQXQGHUIDXOWFRQGLWLRQV
GHVFULEHGLQWKHGDWDVKHHW)DXOWFRQGLWLRQVDUHFRQVLGHUHGDVRXWVLGHQRUPDORSHUDWLQJUDQJH
3URWHFWLRQIXQFWLRQVDUHQRWGHVLJQHGIRUFRQWLQXRXVUHSHWLWLYHRSHUDWLRQ
VHHDOVR921&/LQFLUFXLWGLDJUDPRQSDJH
5HTXLUHVDΩUHVLVWRULQ*1'FRQQHFWLRQ7KHUHYHUVHORDGFXUUHQWWKURXJKWKHLQWULQVLFGUDLQVRXUFHGLRGHKDV
WREHOLPLWHGE\WKHFRQQHFWHGORDG3RZHUGLVVLSDWLRQLVKLJKHUFRPSDUHGWRQRUPDORSHUDWLQJFRQGLWLRQVGXHWRWKH
YROWDJHGURSDFURVVWKHGUDLQVRXUFHGLRGH7KHWHPSHUDWXUHSURWHFWLRQLVQRWDFWLYHGXULQJUHYHUVHFXUUHQWRSHUDWLRQ
,QSXWFXUUHQWKDVWREHOLPLWHGVHHPD[UDWLQJVSDJH
Data Sheet
6
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
(OHFWULFDO&KDUDFWHULVWLFV
3DUDPHWHUDQG&RQGLWLRQV
6\PERO
9DOXHV
8QLW
DW7
M
&9
EE
9
XQOHVVRWKHUZLVHVSHFLILHG
PLQ
W\S
PD[
,QSXW
,QSXWWXUQRQWKUHVKROGYROWDJH
VHHSDJH
9
,17
9
,QSXWWXUQRIIWKUHVKROGYROWDJH
VHHSDJH
9
,17
,QSXWWKUHVKROGK\VWHUHVLV
∆9
,17
2IIVWDWHLQSXWFXUUHQWVHHSDJH
9
,1
9
,
,1RII
$
2QVWDWHLQSXWFXUUHQWVHHSDJH
9
,1
9
,
,1RQ
,QSXWUHVLVWDQFHVHHSDJH
5
,
k
Ω
Data Sheet
7
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
7HUPV
,QGXFWLYHDQGRYHUYROWDJHRXWSXWFODPS
352)(7
9
,1
287
*1'
EE
9,1
,,1
9EE
,EE
,/
9287
,*1'
921
5*1'
9EE
287
*1'
9=
921
921FODPSHGWR9W\S
2YHUYROWDJHSURWHFWLRQRIORJLFSDUW
,QSXWFLUFXLW(6'SURWHFWLRQ
9EE
,1
*1'
*1'
5
6LJQDO*1'
/RJLF
9 =
,
5
9 =
,1
*1'
,
5
='
,,
,
(6'
7KHXVHRI(6']HQHUGLRGHVDVYROWDJHFODPS
DW'&FRQGLWLRQVLVQRWUHFRPPHQGHG
9
=
9W\S9
=
9
EE$=
9W\S
5
,
NΩW\S5
*1'
Ω
5HYHUVHEDWWHU\SURWHFWLRQ
*1'
/RJLF
,1
287
/
5
3RZHU*1'
*1'
5
6LJQDO*1'
3RZHU
,QYHUVH
,
5
9EE
'LRGH
5
*1'
Ω5
,
NΩW\S
7HPSHUDWXUHSURWHFWLRQLVQRWDFWLYHGXULQJ
LQYHUVHFXUUHQW
Data Sheet
8
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
9EEGLVFRQQHFWZLWKFKDUJHGLQGXFWLYH
ORDG
352)(7
9
,1
287
*1'
EE
9EE
KLJK
*1'GLVFRQQHFW
352)(7
9
,1
287
*1'
EE
9EE 9,1
9*1'
,QGXFWLYH/RDGVZLWFKRIIHQHUJ\
GLVVLSDWLRQ
352)(7
9
,1
287
*1'
EE
(
(
(
($6
EE
/
5
(/RDG
5/
/
^
/
=
*1'GLVFRQQHFWZLWK*1'SXOOXS
352)(7
9
,1
287
*1'
EE
9EE
9*1'
9,1
(QHUJ\VWRUHGLQORDGLQGXFWDQFH(
/
ò / ,
/
:KLOHGHPDJQHWL]LQJORDGLQGXFWDQFH
WKHHQpUJ\GLVVLSDWHGLQ352)(7LV
(
$6
(
EE
(
/
(
5
9
21&/
L
/
WGW
ZLWKDQDSSUR[LPDWHVROXWLRQIRU5
/
!Ω
(
,
/
5
9
9
,
5
9
$ 6
/
/
EE
2 8 7 & /
/
/
2 8 7 & /
=
+
+
_
OQ
_
_
_
Data Sheet
9
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
7\SWUDQVLHQWWKHUPDOLPSHGDQFH
=
WK-$
IW
S
#FP
KHDWVLQNDUHD
3DUDPHWHU' W
S
7
V
W
S
.:
=
WK-$
'
'
'
'
'
'
'
7\SWUDQVLHQWWKHUPDOLPSHGDQFH
=
WK-$
IW
S
#PLQIRRWSULQW
3DUDPHWHU' W
S
7
V
W
S
.:
=
WK-$
'
'
'
'
'
'
'
7\SRQVWDWHUHVLVWDQFH
5
21
I7
M
9
EE
99
LQ
KLJK
&
7
M
PΩ
5
RQ
7\SRQVWDWHUHVLVWDQFH
5
21
I9
EE
,
/
$9
LQ
KLJK
9
9
EE
PΩ
5
21
&
&
&
Data Sheet
10
V1.3, 2008-06-02
Smart High-Side Power Switch
BSP742T
7\SWXUQRIIWLPH
W
RII
I7
M
5
/
Ω
&
T
j
V
W
RII
9
9
7\SWXUQRQWLPH
W
RQ
I7
M
5
/
Ω
&
T
j
V
W
RQ
9
9
9
7\SVOHZUDWHRQ
G9GW
RQ
I7
M
5
/
Ω
&
T
j
9V
G9 GW
RQ
9
9
9
7\SVOHZUDWHRII
G9GW
RII
I7
M
5
/
Ω
&
T
j
9V
G9 GW
RII
9
9
9