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本帖最后由 Heaven_1 于 2023-2-17 09:48 编辑 & I/ d6 f' Q( d6 ^( O4 h
: k0 o) ?' u& K5 o3 wFEATURES. F8 P/ p3 m* w; d: E+ P, l
■ Three-channel PMU:Buck,Boost6 Q; L; l+ O/ g5 D* H; y
and' ^' `6 D/ O' q5 u+ E
Super
/ _+ l9 k" _4 `! p q; s, `capacitor charger. T9 G- L7 s8 x, n% f+ r5 _% s. r
■5 }$ V; S2 G5 K, J
wide working range: 5V-40V& w" x4 h/ ]5 {0 p
■ 3.3V 450mA Output Power for Buck
\. Y( Q* R& i■3 I0 R% s4 [; U
12V 500mA Output Power for Boost at 2.7V
9 e" k& W$ l7 O& L5 NInput- A! W/ O4 Q2 C! E9 t) s0 s
■
8 f9 X" D: \7 Z0 H1% accuracy for Charger CV voltage and up
?( m9 q1 `9 D3 G* j% fto 150mA constant charge current+ W- @9 P" S: I
■; l7 p/ u# X: l# N) A
High Efficiency PFM mode at light load for
/ ~8 g/ Y8 c9 C; r3 z9 L( WBuck2 G, W2 W5 U# Y+ ?: K$ o7 m$ m9 ~
■ Enable pin to auto-switch boost and charger
, { p3 P, S& Y$ W( ?5 s4 N. p■
7 v7 q; J$ S7 kAvailable in ES0P8 and QFN3x4-24 Package) Q) Q8 p. Z- S( b
APPLICATIONS/ F/ z6 \+ f# s. P4 N8 K
■ PLC modules1 m- h/ P: q: F2 s
■ Power Meters
0 g, d7 @2 v1 {( I9 X; z! @■ Any system that needs super capacitor as a3 T' V% [8 ~" K. }6 U
backup power
% U! w: |. M9 q9 ~. wDESCRIPTION
( j+ c- d; F0 X5 I% b& \ uZCC4200 is a three-channel PMU that includes a
9 i; M( K/ z1 G5 H$ r( w, h8 d$ I5 C40V input, a high efficiency synchronous buck2 J+ u- H5 ~- f" c! s
converter, a low startup, high efficiency 18V
2 y, t; O6 S: Qboost converter and a super capacitor Charger.
, D/ F& G/ z# E! |3 E; S0 \The buck converter withstands input voltage up
% }# Q. i. C0 a `3 q5 Y5 kto 40V and delivers a 3.3V output with up to 450mA- c6 D! }$ y4 c0 ~% E
current. The boost converter is capable of
6 q/ n, }1 d( `+ Q- xproviding up to 500mA to 12V output from a single: Z4 A, _( y0 Q" g5 N4 D2 I
cell super capacitor or a battery at 2.7V. A
3 |: [1 g- Q" Ilinear supercapacitor charge is also integrated with a very high accuracy CV voltage.# U$ M5 X) y$ V; J# e
The output voltage of boost can be adjusted by+ w* C: k/ G+ W9 E, N
external resistor divider. All three power3 \. k1 Y% |9 O8 n, [; o
modules are packed into a single ES0P8 and
4 Q% F: d9 _8 Y8 v2 I5 b* k( a+ [QFN3x4-24 package,beating the discrete+ R8 M7 ^- W5 _* y, M
solution in features, peRFormance, size, PCB
K+ |# c; {/ k2 L( ?8 C- _! G9 nlayout and cost0 h) W0 T! r4 r* x+ v# H
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发表于 2023-2-16 18:01
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