ZCC4200三通道PMU 带线性充电器的Buck和Boost变换器替代ETA9073

四维电子

* w, d8 Z6 r  D, b
1 T' F( \& S# wFEATURES
6 ]" U) c7 B% d( ], F# _0 j■ Three-channel PMU:Buck,Boost
# z+ C# Q! {$ R6 r" G" q4 y7 p& F0 Dand
Super
- C& m% S& r. w3 wcapacitor charger
■
! ], b% B- @& O+ t; L- p9 Z. twide working range: 5V-40V
' p  r+ I# C: h■ 3.3V 450mA Output Power for Buck
7 c. u5 A1 O0 S" J% p- m■
( a. ?1 C  m7 r4 Y12V 500mA Output Power for Boost at 2.7V
2 `3 ]$ ?) Z/ }3 h" |0 eInput
3 y$ g& V" n2 C■
6 l$ H( h( X) _: p  R! d% N! w1% accuracy for Charger CV voltage and up
to 150mA constant charge current
■
High Efficiency PFM mode at light load for
9 J- N$ Y& A# lBuck
# `$ v$ R* s9 b/ [& T■ Enable pin to auto-switch boost and charger
■
9 L& ~3 X( P$ R* C$ R' L; N: X1 {Available in ES0P8 and QFN3x4-24 Package
. v8 x! n# {* m* k- X0 z/ ZAPPLICATIONS
3 H0 K$ G* ~* t$ j( B5 X( V% U■ PLC modules
■ Power Meters
■ Any system that needs super capacitor as a
backup power
DESCRIPTION
ZCC4200 is a three-channel PMU that includes a
40V input, a high efficiency synchronous buck
converter, a low startup, high efficiency 18V
: c& g5 e( c! u( T0 Vboost converter and a super capacitor Charger.
/ H& {! a" L% h7 ]; p2 XThe buck converter withstands input voltage up
to 40V and delivers a 3.3V output with up to 450mA
* W' C4 I1 e9 ^current. The boost converter is capable of
. t  z+ b  |* @! B+ \' h* eproviding up to 500mA to 12V output from a single
/ H' c& ?. G8 h1 hcell super capacitor or a battery at 2.7V. A
/ |  E& o  @5 Alinear supercapacitor charge is also integrated with a very high accuracy CV voltage.
! d: f# \9 H/ v0 V; [% }* k% n: U" b' SThe output voltage of boost can be adjusted by
external resistor divider. All three power
  y& S0 W1 \  b4 Rmodules are packed into a single ES0P8 and
QFN3x4-24 package,beating the discrete
$ n- w2 b% b1 l7 V: ~2 E7 psolution in features, peRFormance, size, PCB
! W0 _# o- B7 }1 P0 F% ], [layout and cost

unfaithful2021

ZCC4200是一个三通道PMU，包括40V输入，高效同步降压转换器，低启动，高效率18V升压转换器和超级电容器充电器。