$Φ ■ AlC2765/2766 PRODrr fVE口 厂 B舸 CHARGE CONTROLLER ERΥ ■I DnscⅡ … oⅡ F ● Reliable Fast Charge ControI of Ni,旧 H`NiCd Batˉ te"es。 。 Fast Charge Ter:η ination by: 1. ACCurate-Δ V:ˉ 0.25%。 2. Peak Vokage Timer(oΔ AlC2765/2766fast charge contro"er lC is designed for inte"igent charging of NiMH OI Thθ NiCd batteries without overcharging。 lt detects ′ a vo丨 tage drop(-A、 )occurring in the final stage V), of a fast charging cycle and corresρ ondingly contro丨 s the charging current, Fast charge can 4. Ma刈 mum Battery Vokage^ also be Cut off by maXirη un1temperature protecˉ 3. safety Timer 5, Maximum Temperature(AIC27650n丨 tion (``lC2765 only) or a peak voltage ti了 ηθr y) (oΔ 。Adjustable Fast Charge safety Timer。 V)。 。 ProteCtion against Temperature Fault (AIC27650n丨 The detection of-AV is a very rρ y)。 。 ProteCtion against short-Circuited and open-Batˉ tery Fau!ts。 。 Wide operation Voltage Range: 9V to 18、 ′` no Extra Regulator needed。 。 Large BatterV Vo丨 tage Detection Range 24V The-△ V value of the AlC2765`2766is as sma" as 4rnV pθ r cθ suitablθ The for NiMH as we" as the "` NiCdparticulady batteries。 to lndiCate Charge status or Fauk peak vo|tage timer is particu丨 ady usefu丨 the vo丨 when tage drop at the end of charge for some Enhanced Noise "nmunity Avoiding Erroneous ce"s` is not pronounced enough for re"able detection, An adjustab丨 e ˉΔ V Detection。 safety tirη 。 Voltage 。 tion0s one of primary decisions for fast charge cut-off。 ∶o。 to3.7V。 。 LED Drivers Conditions。 "ableand method fast charging for NiMH NiCd A V detecˉ batteries, The AlC2765`2766 usesˉ t0 ter了 ηinate Reference0utput(AlC2766on丨 y)。 FunCtion to Maintain Battery Fu" Energy after Fu"v Charged batteries` e,g。 Ni`川 H er (3settings) and the maxirη um batˉ 。 Autoˉ reCharge tery voltage protection are used as backup terination methods。 The temperature fauk pro吖、 。 Quick and EasV Testing for Production。 tection is provided by the AlC2765` even in 。 space卩 savIng Packages: only 8-pin package。 1`″ o LED Outputs are used 8ˉ PlN DlP`so to indicate the charging status。 The noise irnrnunity is enha冂 ced by a ρroprietary ■ PPL=CAT=0Ⅱ s Battery口 Chargers for: 。 Mob"e Phones 。 Notebook 。 PortabIe and Laptop Pers0nal Computers POwer Tools and TOys unication Equipments 。 Portable Co冂 。 Portable V∶ "η deo and stereo Equipments aIgorithm to ensure proper ˉΔ V detection of AIC2765`2766in a noisy enVironment。 To avoid serious θnergy loss of fu"V Charged batteries in the autoorecharge function is somθ apρ if the battery voltage drop is greater activatθ d "cations口 than 8% compa了 ed t0the battery Voltage at 8 ows min。 after ful丨 y charged。 The AC mode a丨 丨 thθ batterv to driVo its loads wh"e beihg charged, Thθ test mode is proVided to dramatica"v reducθ production test tirne。 6¨ 跷 6 Φ 翻 AIC2765/2766 o丶 ~° :ˉ 凵 ●° η ˉ .口 J ~° J ・一 z个 J丶 ∞ J~0 刀 ΓJ ° 〓〓 一 ・ 刀 ~ ~^ Jz● Jz臼 口ω 一● ∞ JΦ ∞臼 一° °^ 刀o 0J^ J^ J 刀个 〓 ≡ 刀丬 m彐 ω¨ 0om广 ..〓 +叼 `¨ 丬乡丶 m力 Tm ①冖①〓 J〓彐 ①α σ <冖 〓° 冖〓Φ〓 J一ω冖ハ一 ω彐α 冖°彐 υ Φ一m冖 <0 〓 〓 “ 〓 ←‘ 刀 丬 一冖 ・° rω ~α 口 >丬 叫 m∞< ⒍ ∞丬 cη gI宗 垦思 Φ 冂Φ彐ο Φ fier Battery Charge Circuit for"iCd`"i,"H Battery sirnpl∶ RCU=T C〓 mcAL APPL=CAT=oⅡ ■ ∶ 6・ 7 Φ 昏 ■ 叩 AlC2765/2766 0⒒ JPL=CAT=0Ⅱ C=RCuT o” J灬 ° 刀〓 r。 ”°° 〓〓 ~ 口 ωˉ 卜 ”° 丬 m刀< oomrr∞ >丬 一^ 刀● 〓 〓 〓 〓r〓 〓 ° 〓m hh 8 一〓 臼 ∞Jo ^ 〓 护 η一 〓 冖 冖 〓 simpl∶ f∶ er B臼 tterV Chargθ Circuit for N∶ 6¨ 刀臼 J0° 刀o ^ m一 买~ 昼思 Cd`"iMH BattorV with Tomρ oraturo Protθ c】 on 翻 Φ ■ oRDEHⅡ AlC2765/2766 G IⅡ Fo咖 Ⅱ oⅡ AlC276X-× × 0RDER NUMBER s∶ sMALL OUTLlNE TEMPERATURE RANGE C=0° C~70° C C2765CN (PLAsTlC D丨 P) A丨 C2765Cs (PLAsTlC so) AlC2766CN A丨 C2766Cs (PLAsT丨 C so) VBt GND TMR M0DE T0P VlEW VBT GND TMR MODE VNTC VDD VOUT LED 吲匣 叵 (PLAsTlC DlP) T0P VlEW H彐 PlN8FUNCTION 5∶ VNTC lNPUT 6∶ VREF OUTPVT A丨 彐 彐 彐 彐 PACκ AGE TΥ PE N:PLAsTlC DlP PlN CONHGURATl0N V 彐 vREF 彐 vDD 口 v。 UT 王 ∮ 彐 LED 6■ 9