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本帖最后由 Heaven_1 于 2023-2-27 17:03 编辑 4 P8 [ V4 U( @6 Z
8 t0 ] ], _$ U' K9 J7 iFEATURES8 s' L7 F1 n, u; X$ m q/ n i
■ Three-channel PMU:Buck,Boost0 t9 D2 G6 [/ A( \6 j
and0 E* y! q S+ p3 {; {- V9 J
Super" t/ y& [% Y0 M5 Q* n$ G
capacitor charger
5 V( m0 e& L5 Y9 H1 D; m# n; `■; v Y8 b5 t. L$ D$ I
wide working range: 5V-40V& d; P/ C+ Q# Y7 J* V3 A/ M/ [
■ 3.3V 450mA Output Power for Buck5 ]% b' r9 [/ h" M# W/ h, i1 D7 w
■
d9 h3 {% [0 z# w1 U4 r. g12V 500mA Output Power for Boost at 2.7V
T2 B" E0 a/ ?0 L" R2 CInput4 {: J. |6 d/ P u+ R
■
8 c: ?0 t' W2 l7 M6 v1% accuracy for Charger CV voltage and up
. M4 r) _! f+ A' {* Q% x& T, Rto 150mA constant charge current
& h* |/ ?& `% Y' |■
# w5 o. E1 X8 q! aHigh Efficiency PFM mode at light load for, I z( h& a5 F+ d3 d' {7 [
Buck
5 K7 K7 }8 ?7 T& W) J9 P2 h■ Enable pin to auto-switch boost and charger
8 g5 k+ ^) s2 ]; p9 P■
4 e( t6 B2 M2 b9 M5 D& G& sAvailable in ES0P8 and QFN3x4-24 Package
M: q# E7 e9 @7 MAPPLICATIONS
3 S) c) K! o' m4 y2 q/ K■ PLC modules
" U; b$ m+ C5 B2 J8 B) E! b- w& Y■ Power Meters
5 ^6 g4 z6 F8 m8 Q, F; [. M4 x( M2 c■ Any system that needs super capacitor as a/ ?# K" v& N& u& O$ i
backup power& Y6 A# G& [: `; l: q. `1 p) Z3 J
DESCRIPTION( V$ {0 o$ g' U, l
ZCC4200 is a three-channel PMU that includes a! W. }) M6 R% o0 R: m# e) b
40V input, a high efficiency synchronous buck3 G- ]& l5 c' k" B4 j. [# `1 t
converter, a low startup, high efficiency 18V0 [; R' l% ?$ |/ A8 h
boost converter and a super capacitor Charger.
F5 D. w3 [- |' I: I/ L0 |The buck converter withstands input voltage up- x; i+ Q: t+ M" p$ r
to 40V and delivers a 3.3V output with up to 450mA
5 A1 S9 ]) u( u+ E1 \6 Q$ n5 zcurrent. The boost converter is capable of+ l- j9 U6 G* l& M6 m6 H
providing up to 500mA to 12V output from a single) a$ W# `; F/ _# Q5 g. V9 b
cell super capacitor or a battery at 2.7V. A5 l3 r. B$ F( m* j4 ? R9 }
linear supercapacitor charge is also integrated with a very high accuracy CV voltage.
& H2 _$ m' _% r/ l, H6 A! }( tThe output voltage of boost can be adjusted by h! @" j0 f! R# b$ p+ I
external resistor divider. All three power* A. c' M; S5 |3 A* Y! s/ l
modules are packed into a single ES0P8 and( G, L, v8 D0 |2 R( u4 F; ?
QFN3x4-24 package,beating the discrete+ v9 A# _/ K$ A/ c/ h F: g- m
solution in features, peRFormance, size, PCB% l9 p: k, Y3 a& D
layout and cost/ F% w4 w, y2 r P; Z* H. {
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发表于 2023-2-24 18:08
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