1L0&G21L00+#%DWWHULHVn#&KDUJHU

3URWHFWRU#,FV

5877315[[$#6(5,(6

$33/,&$7,21#0$18$/

NO 。 EA- 070-0006

镍镉/镍氢电池“充电保护器集成电路

5877315[[$#6(5,(6

概要

7KH#5877315[[$#6HULHV#DUH#SURWHFWLRQ#,&V#IRU#FKDUJHUV#RI#5#VHULDO#1L0&G21L00+#EDWWHULHV#E\#&026#SURFHVV1#)RU

H[DPSOH/#GHVSLWH#D#FKDUJHU#LV#H[FOXVLYHO\#XVHG#IRU#1L0&G#RU#1L0+#UHFKDUJHDEOH#EDWWHULHV/#LQ#FDVH#WKDW#D#XVHU#ZRXOG#WU\

WR#FKDUJH#$O00Q#EDWWHULHV/#WKH#587731#6HULHV#FDQ#GHWHFW#RYHU0YROWDJH#DQG#KDOW#D#FKDUJHU#FXUUHQW1##:KHQ#WKH#FKDUJHU

PXVW ＃ FKDUJH ＃ RYHU0GLVFKDUJH ＃ FHOOV / ＃ FKDUJHU ＃ FXUUHQW ＃ LV ＃ FRQWUROOHG ＃ ZLWK ＃ SXOVH ·E \\ ＃ ZD \\ ＃ RI ＃ D＃ VZLWFKLQJ ＃ FRQWUROOHU ＃ LQ ＃ WKH

5877315;;$#6HULHV/#WKHUHIRUH#VWUHVV#DJDLQVW#FHOOV#FDQ#EH#UHGXFHG1

(DFK#RI#WKHVH#,&V#LV#FRPSRVHG#RI#2YHU0YROWDJH#GHWHFWRUV#+9'4/#9'6,/#/RZ0YROWDJH#GHWHFWRUV#+9'5/#9'7,/#DQ#RV0

FLOODWRU#FLUFXLW/#D#UHIHUHQFH#XQLW/#D#GHOD\\#FLUFXLW/#DQG#D#ORJLF#FLUFXLW1#:KHQ#FKDUJLQJ#YROWDJH#FURVVHV#WKH#GHWHFWRU#WKUHVK0

ROG ＃ IURP ＃ D＃ ORZ ＃ YDOXH ＃ WR ＃ D＃ YDOXH ＃ KLJKHU ＃ WKDQ ＃ 9

“ （ 74 ＃ RU ＃

9

'(76

/#

WKH ＃ ＃ ┮RI ＃ 2

87

#

SLQ / WKH ＃ ＃ ＃ ┮RI ＃ RYHU0YROWDJH ＃ GHWHF0

WRUV29'429'6 / ＃ VZLWFKHV ＃ WR ＃ '/ μ1 ＃ ' XULQJ ＃ FKDUJHU ＃楼\\ FOH / ＃ HYHQ ＃ LI ＃ RQO \\ ＃ RQH ＃ RI ＃ 9'4 ＃ DQG ＃ 9'6 ＃ GHWHFWV ＃ 2YHU0YROWDJH / #DIWHU

LQWHUQDOO\#IL[HG#GHOD\#WLPH#SDVVHV/#2XW#SLQ#EHFRPHV##+#DQG#KDOW#D#FKDUJHU#FXUUHQW#E\#WXUQLQJ#RII#DQ#H[WHUQDO#313

WUDQVLVWRU1#$IWHU#GHWHFWLQJ#RYHU0YROWDJH/#WKH#9'4#FDQ#EH#UHVHW#ZKHQ#WKH#&HOO04#YROWDJH#EHFRPHV#ORZHU#WKDQ#9

5(/4

μ ＃ DQG

WKH#&HOO5#YROWDJH#LV#DOVR#ORZHU#WKDQ##9

5(/6

/#DIWHU#WKH#LQWHUQDOO\#IL[HG#GHOD\#WLPH#SDVVHV/#2XW#SLQ#EHFRPHV#WR#/#OHYHO

DQG#WXUQ#RQ#DQ#H[WHUQDO#313#WUDQVLVWRU#DQG#PDNH#WKH#FKDUJHU#DFWLYH1

:KHQ#FHOOV#DUH#FRQQHFWHG#WR#WKH#FKDUJHU#DQG#HYHQ#LI#RQH#RI#FHOOV·#YROWDJH#FURVVHV#D#GHWHFWRU#WKUHVKROG#IURP#D#KLJK

YDOXH#WR#D#YDOXH#ORZHU#WKDQ#9

'(75

#RU#9

'(77

/#WKH#2XW#SLQ#EHFRPHV#SXOVH#FKDUJH#PRGH1#7KH#IUHTXHQF\#LV#43N+]#DQG#210

'XW\#LV#43(1

'XULQJ#SXOVH#FKDUJH#PRGH/#ERWK#&HOO04#DQG#&HOO#UHDFKHV#WR#5HOHDVHG#9ROWDJH#RI#/RZ09ROWDJH#RU#9

5(/5

#RU#9

5(/7

/#2XW

SLQ#EHFRPHV#/#DQG#FKDUJHU#UHWXUQV#WR#QRUPDO#FKDUJLQJ#PRGH1

2XWSXW#W\SH#RI#2

87

#SLQ#LV#&0261#80SLQ/#6275608#LV#DYDLODEOH1

特点

/ RZ ＃ VXSSO \\ #FXUUHQW

111111111111111111111111111111111111111111111111111111$W#1RUPDO#&KDUJH#0RGH#+9

''

9

6(164

5179

9

6(165

4159,

/

7\S1#513—$

$W#3XOVH#&KDUJH#0RGH#+9

''

9

6(164

4159

/

+LJK#DFFXUDF\#GHWHFWRU#WKUHVKROG111111111111111111111111111111112YHU0YROWDJH#GHWHFWRU

/RZ0YROWDJH#GHWHFWRU

/RZ0YROWDJH#GHWHFWRU#WKUHVKROG

%XLOW0LQ#2XWSXW#'HOD\#FLUFXLW#RI#2YHU0YROWDJH#'HWHFWRUV

5 ＃ 0RGHV ＃ H [ LVW 1111111111111111111111111111111111111111111111111111111111111111RUPDO#&KDUJH#0RGH#2#3XOVH#&KDUJH#0RGH,

6PDOO#SDFNDJH

11111111111111111111111111111111111111111111111111111111111111162705608280SLQ

9

6(165

3199,

7\S1#813—$

“83P9

“83P9

31;9#0#4139#VWHS#RI#31389

W

53PV

9DULHW\#RI#GHWHFWRU#WKUHVKROG

1111111111111111111111111111111111111112YHU0YROWDJH ＃ GHWHFWRU ＃ WKUHVKROG 4189 ＃ 0 ＃ 41 ; 9 ＃ VWHS ＃ RI ＃ 31389

1

R5440N2xxA

应用

1L0&G/#1L00+#EDWWHULHV#&KDUJHU#SURWHFWRU

框图

V

DD

2

SENS1

1

3

OUT

VD1

延迟

VD2

SENS2

5

VD3

OSC

VD4

4

GND

2

R5440N2xxA

选购指南

,Q#WKH#5877315[[$#6HULHV#IRXU#RI#WKH#LQSXW#WKUHVKROG#IRU#2YHU0YROWDJH4/#5/#/RZ0YROWDJH6/#DQG#7#GHWHFWRUV#FDQ#EH

GHVLJQDWHG1

3DUW#1XPEHU#LV#GHVLJQDWHG#DV#IROORZV=

5877315;;$0;;

↑ ↑ ↑

D E F

CODE

D

E

F

描述

6HULDO#1XPEHU#IRU#WKH#587731#6HULHV#GHVLJQDWLQJ#LQSXW#WKUHVKROG#IRU#RYHU0YROWDJH4/#5/#/RZ0

YROWDJH6/#7#GHWHFWRUV#DV#ZHOO#DV#K\VWHUHVLV#UDQJH#IRU#WKRVH#GHWHFWRUV1

“ HVLJQDWLRQ ＃ RI ＃ YHUVLRQ ＃ V \\ PEROV

7DSLQJ#7\SH=#75#+UHIHU#WR#7DSLQJ#6SHFLILFDWLRQ,

←3DUW#1XPEHU

引脚配置

5

4

1

2

3

引脚说明

PIN号

4

5

6

7

8

符号

6(164

9

''

2

87

*1'

6(165

引脚说明

3RVLWLYH#,QSXW#SLQ#RI#&HOO041

3RZHU#VXSSO\#SLQ1#6XEVWUDWH#9ROWDJH#RI#WKLV#,&1

2XWSXW#3LQ#IRU#([WHUQDO#VZLWFK#GULYH/#&026#RXWSXW1

*URXQG#3LQ#RI#WKLV#,&1

3RVLWLYH#,QSXW#SLQ#RI#&HOO051

3

R5440N2xxA

绝对最大额定值

9

66

39

符号

9

''

9

6(164

9

6(165

9

287

3

'

7RSW

7VWJ

6XSSO\#YROWDJH

,QSXW#9ROWDJH

6(164#SLQ#RI#3RVLWLYH#LQSXW#RI#&HOO04

6(165#SLQ#RI#3RVLWLYH#LQSXW#RI#&HOO05

2XWSXW#YROWDJH

2

87

#SLQ

3RZHU#GLVVLSDWLRQ

2SHUDWLQJ#WHPSHUDWXUH#UDQJH

6WRUDJH#WHPSHUDWXUH#UDQJH

0316#WR#9

''

#.316

483

073#WR#;8

088#WR#458

9

P:

?? &

?? &

0316#WR#9

''

#.316

0316#WR#9

''

#.316

9

9

项

评级

0316#WR#45

单位

9

绝对最大额定值

$EVROXWH#0D[LPXP#UDWLQJV#DUH#WKUHVKROG#OLPLW#YDOXHV#WKDW#PXVW#QRW#EH#H[FHHGHG#HYHU#IRU#DQ#LQVWDQW#XQGHU#DQ\#FRQ0

GLWLRQV1#0RUHRYHU/#VXFK#YDOXHV#IRU#DQ\#WZR#LWHPV#PXVW#QRW#EH#UHDFKHG#VLPXOWDQHRXVO\1#2SHUDWLRQ#DERYH#WKHVH#DEVR0

OXWH#PD[LPXP#UDWLQJV#PD\#FDXVH#GHJUDGDWLRQ#RU#SHUPDQHQW#GDPDJH#WR#WKH#GHYLFH1#7KHVH#DUH#VWUHVV#UDWLQJV#RQO\#DQG

GR#QRW#QHFHVVDULO\#LPSO\#IXQFWLRQDO#RSHUDWLRQ#EHORZ#WKHVH#OLPLWV1

4