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本帖最后由 Heaven_1 于 2022-12-30 18:18 编辑 ) x4 m4 ?. v, Q. c% u& B6 h/ q
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FEATURES) `0 ], O' u* h
■ Three-channel PMU:Buck,Boost, r! c" v1 k1 D6 V! e
and0 Y1 c/ r8 S$ ^
Super
2 d$ l3 {- d O5 g! D' [6 N( Dcapacitor charger8 f' z0 P% ?9 x( _. }+ z+ o+ @
■
, A6 z. @. x1 U( W4 s$ U& Q/ e4 qwide working range: 5V-40V; e& o1 J2 | @' ]8 T0 v, v
■ 3.3V 450mA Output Power for Buck8 i3 N+ e' `3 e) H& D
■/ |( }/ q4 A5 K5 P; k! L2 a7 f/ _' [
12V 500mA Output Power for Boost at 2.7V
+ M R/ X0 r9 g8 kInput
N* r* R7 d/ B$ W& Z■
; v v/ W1 f% h/ ^: W1 Z0 x( d2 [0 H1% accuracy for Charger CV voltage and up
3 E$ j7 C4 P3 o3 P) a- {/ tto 150mA constant charge current; d' g @* m) ^6 |
■
+ g# f4 ?" w9 e/ e0 q8 C' gHigh Efficiency PFM mode at light load for
; u+ e9 a% a+ U# ]+ Y9 B3 x5 nBuck$ W, J1 G7 i: ]8 ~# ~8 h
■ Enable pin to auto-switch boost and charger4 ^% q0 Z1 D: k0 s: }
■
/ s, h8 U, k3 SAvailable in ES0P8 and QFN3x4-24 Package
" ~& j+ a9 V, |' c6 d- s/ |APPLICATIONS
$ J; |% v" @0 p) w) A■ PLC modules4 _+ M2 J I5 G1 ?
■ Power Meters
# s( B W: x! U8 w5 h7 J) B■ Any system that needs super capacitor as a/ p* q8 {" b9 \; f
backup power+ C$ C: D/ G4 Q I- `$ R3 j- l) {+ T
DESCRIPTION4 P) S% @2 H" c4 @7 R
ZCC4200 is a three-channel PMU that includes a
' z9 s2 f( H# P) J( p9 h40V input, a high efficiency synchronous buck( E0 g8 W& s4 w. G) ]. L- c: M
converter, a low startup, high efficiency 18V' m2 f- D( ]! e( D- O
boost converter and a super capacitor Charger.
* z- b6 {3 ]+ }$ UThe buck converter withstands input voltage up
( i5 [8 N# U5 T% L+ {to 40V and delivers a 3.3V output with up to 450mA
+ |; m: g1 x% w8 m8 xcurrent. The boost converter is capable of
9 a) U/ V& y' _. h. p) x7 v3 @: _0 jproviding up to 500mA to 12V output from a single
1 `. \6 Y, A" [/ y4 _( A6 Ocell super capacitor or a battery at 2.7V. A* G& Z5 p7 x- }* H
linear supercapacitor charge is also integrated with a very high accuracy CV voltage.
7 s, Z0 G& t& v, |; O/ HThe output voltage of boost can be adjusted by
7 A7 j9 X3 R. f3 |+ Zexternal resistor divider. All three power
& q! V- c8 C5 K# emodules are packed into a single ES0P8 and
5 A5 t+ N6 @) f% Y: fQFN3x4-24 package,beating the discrete7 A) j) c" M; b9 I7 S
solution in features, peRFormance, size, PCB
2 @( s( b! J, [layout and cost
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/1 
发表于 2022-12-30 17:47
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