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2022-8-5 15:55 |
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签到天数: 11 天 [LV.3]偶尔看看II
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FEATURES' r$ r1 \1 U% W" m; o* K4 R
■ Three-channel PMU:Buck,Boost
3 ~8 D9 X8 F2 _- Z @+ Z$ ?+ kand5 c' M/ t$ {) Z$ C; b& \# h
Super
& T0 ~/ X8 }. V7 `2 q7 t J" Ocapacitor charger
4 i6 D6 ^) A$ Q2 F. D% X■; Q* R# e- K2 s* i* t
wide working range: 5V-40V: b2 y5 F, T5 j$ a
■ 3.3V 450mA Output Power for Buck
) n$ ^% o6 }" R9 j' |■
" P( Z B. f8 H5 [( r# S$ q. m12V 500mA Output Power for Boost at 2.7V
: l+ ~% s0 o% ]. p x2 @Input
/ v3 K* s* ?# A9 K- x+ \■
8 V, O* c3 j' ]2 g1% accuracy for Charger CV voltage and up
/ z$ c2 H2 u8 D1 G: Kto 150mA constant charge current4 U l3 C1 R4 t5 f
■
L2 J. P7 C, o1 ^High Efficiency PFM mode at light load for, R5 ]( S, W) T# ?
Buck. y& t1 H) H' t9 J n2 q+ c8 Y
■ Enable pin to auto-switch boost and charger @( W6 \' t$ H" T5 s4 O
■5 J2 ?# a6 `. n" U; c, o0 O( w* P
Available in ES0P8 and QFN3x4-24 Package, h2 |/ D9 L( D3 t
APPLICATIONS3 _3 `, c0 f6 m$ L, k
■ PLC modules
+ \* [% @( Q- ?$ @2 W' N% h l■ Power Meters3 A% C/ y7 U1 B, }- _9 Z5 M
■ Any system that needs super capacitor as a
4 i" ]- k7 U5 R2 |. r; Kbackup power/ E; s3 ]0 c- u& X7 H
DESCRIPTION2 J1 q' Q# d4 h# I# Y, O
ZCC4200 is a three-channel PMU that includes a
6 E6 W4 B6 \7 Q( ?, p) O9 t( W! ]1 Q40V input, a high efficiency synchronous buck, a% }% X$ [9 j
converter, a low startup, high efficiency 18V# {' y! D; C4 E
boost converter and a super capacitor Charger.
8 ]5 C3 g& R8 n6 M$ g5 iThe buck converter withstands input voltage up& v+ x+ Y' a5 P) H
to 40V and delivers a 3.3V output with up to 450mA) o2 j( c5 j/ o l1 F+ @ F& p8 u
current. The boost converter is capable of( [! t' a* I# M& P
providing up to 500mA to 12V output from a single
5 G; D+ r i# G% k" Z; ~" v. gcell super capacitor or a battery at 2.7V. A
5 D7 Z& F( L) ?# }% w# Blinear supercapacitor charge is also integrated with a very high accuracy CV voltage. k9 P% r9 M; U
The output voltage of boost can be adjusted by' `& h) U7 D- [. B" V7 Z9 h
external resistor divider. All three power
. Q4 e% Q3 A$ \/ F5 Rmodules are packed into a single ES0P8 and
* e! }5 M5 c( T- S( ~! yQFN3x4-24 package,beating the discrete
6 U P+ K& T- ^" h- E/ A3 |solution in features, peRFormance, size, PCB' p6 H4 ]0 y0 w+ Q
layout and cost$ d& H7 E' @+ x) D
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发表于 2023-1-30 18:08
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