MP2637A 2.5A, Single-Cell, Switch Mode Battery Charger with Power Path Management (PPM) and 2.4A System Boost Current

Transcription

1 V. 01/18 DES The M swit ch path ion o range The mode and b When opera detec charg curr en Other aut o-r both reg ula the sy In th MP26 MODE The O in bo outpu disco in the opera remov st atus from b To g limits 120 C volt ag prot ec tempe timer batter The (4mm MP2637A 2.5A, Single-Cell, Switch Mode Battery Charger with Power Path Management (PPM) and 2.4A System Boost Current

2 TYP 5V *NOTES 1. R P th 3. T 4. T MP2637A Rev

3 V V X: does On: fully Off: fully SW: sw MP2637A Rev

4 MP2637A Rev

5 ABS VVIN.. SYS. SW... BATT ACOK All oth Junct Lead Cont in... Junct Stora Reco Suppl Batte Opera MP2637A Rev

6 ELE VIN = Param IN- to- High- Low-s Highlimit Low-s limit Switc VCC VCC PWIN Lowe PWIN Uppe Char Input Input Input Input (5) Input (5) Term Rech Rech Batte Cons Trickl Trickl MP2637A Rev

7 ELE VIN = Para Trick Term Input refer Boos SYS Feed Feed Boos prote SYS thres Boos Prog curre SYS (5) SYS Wea Slee Batte Indic ACO low v ACO leaka NTC frequ EN in EN in Mode Mode MP2637A Rev

8 ELE VIN = Param Prote Total NTC NTC hyste NTC NTC hyste Charg thres h Therm NOTES 5) Gua MP2637A Rev

9 TYP CIN = unles MP2637A Rev

10 TYP For C For B CIN = unles MP2637A Rev

11 TYP For C For B CIN = unles MP2637A Rev

12 TYP For C For B CIN = unles MP2637A Rev

13 TYP For C For B CIN = unles MP2637A Rev

14 PIN Pin 1, 23, MP2637A Rev

15 BLO MP2637A Rev

16 BLO MP2637A Rev

17 OPE MP2637A Rev

18 OPE MP2637A Rev

19 OPE MP2637A Rev

20 OPE MP2637A Rev

21 STA Cond C C C Comp B V Rec MP2637A Rev

22 STA Cond Com Re C C C V MP2637A Rev

23 STA Cond V MO B G BOO Bo V MP2637A Rev

24 STA Cond V MO B G BOO Bo V MP2637A Rev

25 OPE The M swit ch path ion o range of the differe sleep In cha sing le mode to VSY In sl opera powe powe VIN to differe CHA Charg CV In cha loops charg junctio the ba const (CV). loops behav shown TC c reach charg batter the c shows curr en mode charg charg than a MP2637A Rev

26 Timer The termin active capac charg can b TOTAL Nega Input The M windo to m batter appro and c GND. volt ag If the windo charg into Applic the ap Input The M to pro ILIM volt ag curr en by th As prog ra curr en powe thresh Input In cha suffici curr en volt ag appro reg ula to gi MP2637A Rev

27 F Charg The e prog ra Selec Batte The M CC a thresh limit t limit batter Moreo decre 40% o Therm The M preve surr ou sense prog ra the d functi foldba dama based condi Furth shutd the ju MP2637A Rev

28 BOO Low- The m up th when works synch swit ch st atic volt ag than excee linear decre excee norma (PWM batter wit hou SYS D The M by el inter n during input inrush surge optim avoid betwe Board volt ag induc close ESR/E groun MP2637A Rev

29 2. Ph be lo en Ph VS so im re th bo au MP2637A Rev

30 APP Settin In ch resist the c Given with E For e then R Settin Mode In cha AGND relatio sett in Wher is in th For m = kΩ Settin Opera A res PWIN MP26 (9): If the 1.10V When of 0.7 works For a input for a v MP2637A Rev

31 For appro with E Wher at the range The t upper indep MP26 for dif Calcu Equa R For e the fo At At Based = 6.65 NTC appro = 25.5 If no e RT2 to NTC w For c sprea Settin In bo reg ula betwe Calcu MP2637A Rev

32 Wher the ty swit ch maxim (usua curr en With curr en trickle = 2.5A 2. Se When boost can b (23), a Wher is the peak- (appro curr en and η In the volt ag and a induc For b induc lower highe resist Selec The surge swit ch capac shoul to pr from ceram recom MP2637A Rev

33 2. Se CBATT conve as the Both same calcul To gu the m excee scena of th volt ag For V 2.2µH CBATT Two dielec PCB Efficie noise best guide 1. R gr 2. M in pa 3. Ke fro fe 4. Pl an 5. Pl co th 6. Pl 7. C in MP2637A Rev

34 Desig Table applic below D Fig ure schem chara perf or possib to the MP2637A Rev

35 TYP MP2637A Rev

36 PAC PIN 1 INDE MP2637A 2.5A SINGLE CELL SW MODE BATTERY CHARGER WITH PPM AND 2.4A BOOST NOTICE: The information in this document is subject to change without notice. Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS products into any application. MPS will not assume any legal responsibility for any said applications.