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1-4节锂电池充电同步降压 内置mos IC

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  • TA的每日心情
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    2022-5-9 15:00
  • 签到天数: 28 天

    [LV.4]偶尔看看III

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    1#
    发表于 2020-4-8 14:10 | 只看该作者 |只看大图 回帖奖励 |倒序浏览 |阅读模式

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    General Description / p$ n$ W. s/ J: M. d% _
    The ZCC6688 is a 3A Li-Ion battery charger. It utilizes " S0 t) r" O( ]! R1 x
    a 500KHz synchronous buck converter topology to
    * n. O' T+ j; z4 vreduce power dissipation during charging. Low power
    + j% w, ?5 d" H; {dissipation, an internal MOSFET allow a physically * c+ `9 g- ?. S% b
    small charger that can be embedded in a wide range & Q9 c% l4 l; Q' W3 j( j
    of handheld applications. The ZCC6688 includes
    - E+ x2 V2 Y  l2 h; x% N/ l  m' {complete charge termination circuitry, automatic
    3 i* g) t7 R2 a; ~5 D. U- Arecharge and a ±1% 4.2V /8.4V /12.6V /16.8V float
    , @1 y; `# h1 M8 c' `, Rvoltage.
    & P, k  H; J. i6 G% g( ]Battery charge current, charge timeout and end-of- 4 N' a1 _, ^( a) F
    charge indication parameters are set with external ' R* H4 a" i; B$ ?
    components. Additional features include shorted cell
    6 s9 f& B( ?& ]% cdetection; temperature qualified
    : a" ~4 o; E- }charging and
    8 g% w8 k8 Y9 _overvoltage protection. The ZCC6688 is available in a
    8 F( I% a& A% s  h6 Rlow profile ESSOP10 package. 5 z. R7 Z5 Z' y, M  a* j
    Features 0 m- ~2 @& u6 A! ?8 G. o* ]
     Input voltage range 4V~22V * v0 a* R) m* m8 e" ~2 I: w
     Dynamic input current allocation for maximum
    , n9 _: j6 O8 S0 s- Fcharging rate
    0 v- T, ]1 X' T. j* W, Z 3.0A Maximum Charge Current : A) k- u: |, v1 |6 r* G( }
     No External MOSFETs and Blocking Diode
    / |% z/ C1 @) o" V7 r' n' Q  zRequired 3 A9 w! B# ^% E/ i4 l
     Efficiency up to 90% + c+ d7 g) P& G7 I
     Constant-Current/Constant-Voltage Operation 8 Y6 i# z4 j- c. g2 y
    with Thermal Regulation to Maximize Charge
    ( _+ `" Z) C+ ~: U- @! eRate Without Risk of Overheating
    - ?  {+ R  i4 m9 O Optional Battery Temperature Monitoring Before # R& M/ X8 ?1 v$ j8 X$ D) p
    and During Charge Automatic Sleep Mode for
    - |1 s" d5 T- _Low-Power
    9 a: z$ r1 \; \+ i) ~ Over Current Protection 7 F$ t5 H0 O8 r0 V  D$ E
     Consumption Available in ESSOP10
    9 G  u% |, E- u RoHS Compliant and 100% Lead (Pb)-Free
    5 ?# h, o+ z$ l. w0 x* e ZCC6688 V2.3.pdf (1020.45 KB, 下载次数: 0) ( [. A, @% a/ e8 c% N
  • TA的每日心情
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    2022-5-9 15:00
  • 签到天数: 28 天

    [LV.4]偶尔看看III

    3#
     楼主| 发表于 2020-4-8 18:09 | 只看该作者
    helendcany 发表于 2020-4-8 18:06  q4 p3 t6 b7 ^: |6 q
    看看。

    & |, V6 `8 }! M7 a* c; f, n/ L                                      ) m5 }' J& o3 _- b/ s1 h
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