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本帖最后由 Heaven_1 于 2023-2-27 17:03 编辑 $ d+ X/ L3 x% ~4 m0 X/ o
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FEATURES' k2 E: i: N, b' _7 y
■ Three-channel PMU:Buck,Boost, {6 F+ G% B7 `6 v& Q' P+ s
and
- E/ T t, n& W& y2 a) SSuper1 {7 ^2 a1 Q! l8 R) Q0 |1 v) @- ?
capacitor charger3 l* R& y; c a, |
■& E8 O! c3 t# B$ P) C8 ~, N
wide working range: 5V-40V0 g" O- G* a% m: R
■ 3.3V 450mA Output Power for Buck
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12V 500mA Output Power for Boost at 2.7V
6 Z- I" N3 G0 p3 UInput! }1 l5 x( P, X( E1 d
■5 Z. a* s- [, A: \2 P* Q M+ }
1% accuracy for Charger CV voltage and up
9 b3 P* b% @3 s% c( W9 Fto 150mA constant charge current! j4 O5 D( `" e/ `' _) b- O
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High Efficiency PFM mode at light load for
Y( r1 }0 E! j. b: k( rBuck/ ~* t$ C, H8 O- g* W. p
■ Enable pin to auto-switch boost and charger
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8 l/ t7 [( r* I/ _/ L* B- A$ O8 ^5 L8 z/ hAvailable in ES0P8 and QFN3x4-24 Package M* w$ Q$ {2 Z& _1 `! a
APPLICATIONS3 ]4 j+ ]: d- h" i
■ PLC modules Q9 M8 x1 }8 j5 y1 \1 R6 k
■ Power Meters+ M4 P- H! f! C$ n
■ Any system that needs super capacitor as a9 v) {; n: u, g4 r! N
backup power9 h8 r T/ J) g! T- ]
DESCRIPTION
, B& S2 p. O% C) w9 Z4 u5 ^ZCC4200 is a three-channel PMU that includes a
7 C! ?9 S* H4 N1 R40V input, a high efficiency synchronous buck
( _" n& e/ }2 D% X2 sconverter, a low startup, high efficiency 18V2 [% q: t. B: u) ]
boost converter and a super capacitor Charger.
! l! d0 y4 g) Y# U) ?; {7 nThe buck converter withstands input voltage up# B2 [; d( {2 {
to 40V and delivers a 3.3V output with up to 450mA
2 c! o* A, H+ i& wcurrent. The boost converter is capable of8 q- J% y$ v3 Y, \' j$ H
providing up to 500mA to 12V output from a single
, x+ s: d ]$ }/ P1 Rcell super capacitor or a battery at 2.7V. A2 x3 d$ \' k$ n: z2 I
linear supercapacitor charge is also integrated with a very high accuracy CV voltage." M0 N- ~! u# o6 c
The output voltage of boost can be adjusted by. s( }! @2 F. E" H+ L. M
external resistor divider. All three power+ y7 y h. i0 g( b+ B4 G7 Q
modules are packed into a single ES0P8 and
6 }& C: G! m9 B6 y; P/ rQFN3x4-24 package,beating the discrete" W( O1 G/ Q- G& [8 \, o
solution in features, peRFormance, size, PCB
3 f2 u1 b* S) w* B# s0 Mlayout and cost
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发表于 2023-2-24 18:08
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