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本帖最后由 Heaven_1 于 2023-2-17 09:48 编辑 ) V; c5 ~, Y7 V
$ J' D) M& @( v- j1 a& DFEATURES
3 u( S4 C; w* J- U" d, F% z■ Three-channel PMU:Buck,Boost
, v( ~7 E8 [! P2 X# oand0 o# g6 g3 E1 I }2 B9 v" E, W2 S# r
Super
% R' |- c" o9 U H( S1 N$ Q$ @5 ^ ccapacitor charger
) ^) R; U. T; H& |: R2 }■
& S8 u6 `* N5 C' Xwide working range: 5V-40V4 Z0 D/ o! y1 C$ s7 K
■ 3.3V 450mA Output Power for Buck+ D9 ^0 X/ d/ M2 ~; B z
■
9 L( W9 A, ^& F; L$ B12V 500mA Output Power for Boost at 2.7V
; W8 A& ]( Z1 l, e o) PInput( ^* t1 U; d) z2 |
■4 M) Z2 y4 N. {$ \5 _% g
1% accuracy for Charger CV voltage and up6 P2 h/ G8 f: ]; V+ l
to 150mA constant charge current* i+ T0 s `. x0 C3 v! g/ d* ?
■
+ k- ? e- ?- H1 T% [High Efficiency PFM mode at light load for
, s# {+ d& o& t* L4 hBuck0 }( Z& b- S" g: k9 W
■ Enable pin to auto-switch boost and charger% _7 Y5 Q% ^9 l! Q
■$ ^- U2 u- w: ^& \0 A
Available in ES0P8 and QFN3x4-24 Package* ~ C& E' r l6 d( ~/ Q$ J
APPLICATIONS# O: i/ F( v, f" b
■ PLC modules
2 I# G8 v5 W# E6 H8 a, S■ Power Meters1 O/ r, m; ]& x) T4 k5 J. ~
■ Any system that needs super capacitor as a3 P2 @; |+ f2 e4 C6 W; Y
backup power, Y& @# c7 N6 }) K1 W
DESCRIPTION( R" |8 O, @1 @9 P1 F
ZCC4200 is a three-channel PMU that includes a' H8 ~8 @$ }" }* l
40V input, a high efficiency synchronous buck3 _0 K5 s, d- J+ a1 A& l. t
converter, a low startup, high efficiency 18V8 F# H, S. u4 V- q4 |" P) Q
boost converter and a super capacitor Charger.
; J& a) N5 v2 @The buck converter withstands input voltage up
6 S" ?7 w! u7 C5 bto 40V and delivers a 3.3V output with up to 450mA
2 C7 \# Y( M& q) \1 x0 _current. The boost converter is capable of p, `( _3 w" ^. h* ]2 F
providing up to 500mA to 12V output from a single
- e7 P# W% v" i& {- k! K4 Vcell super capacitor or a battery at 2.7V. A
3 k" `, x& h( \/ J) `linear supercapacitor charge is also integrated with a very high accuracy CV voltage.
; w% R3 c" r1 p$ r& x; Z% ?& vThe output voltage of boost can be adjusted by5 o7 N1 p4 |2 G1 V: M3 |& t, Y
external resistor divider. All three power9 B: B- l7 h& r+ n1 x) a3 M" b
modules are packed into a single ES0P8 and! F2 } c2 ~( S- p9 ~1 i5 @" k
QFN3x4-24 package,beating the discrete. K/ _$ }; V; X/ i) c
solution in features, peRFormance, size, PCB
8 D4 m% z; g! ]! Ylayout and cost
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/1 
发表于 2023-2-16 18:01
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