LTC スタンドアロン・リニアNiMH/NiCd高速バッテリ・チャージャ

Transcription

1 1234NiMH/NiCd ΔV 0.4A2A 2A5% 2A ACLED <1µA 4.5V10V 16DFNTSSOP PDA LTC4060 NiMH/NiCd LTC 4060NiMHNiCd PNP DC/ C/5 ΔV NTC SHDN LTC4060 1µA LTC4060(0.75mm165mm3mm DFN 16TSSOP LTCLT 22ANiMH CHARGE NTC 330Ω 698Ω V IN = 5V V CC SHDN ACP CHRG NTC DRIVE LTC4060 PROG BAT ARCT SEL0 SENSE TIMER CHEM SEL1 PAUSE GND 1.5nF 4060 TA01 + NiMH BATTERY BATTERY VOLTAGE (V) NiMH V TERMINATION CHARGE TIME (MINUTES) 4060 TA01b 1

2 V CC GND...0.3V11V SHDNNTCSEL0SEL1PROGARCT BATCHEMTIMERPAUSE V(V CC 0.3V) CHRGACPDRIVE V(V CC 0.3V) (SENSE) A (DRIVE)... Note (Note 3) TSSOP DFN (10) TSSOP DRIVE 1 TOP VIEW 16 GND ORDER PART NUMBER DRIVE 1 TOP VIEW 16 GND ORDER PART NUMBER BAT SENSE CHRG V CC LTC4060EDHC BAT SENSE CHRG V CC LTC4060EFE TIMER SHDN ACP CHEM TIMER SHDN ACP CHEM PAUSE PROG ARCT NTC SEL1 SEL0 DHC PART MARKING PAUSE PROG ARCT NTC SEL1 SEL0 FE PART MARKING DHC16 PACKAGE 16-LEAD (5mm 3mm) PLASTIC DFN 4060 FE PACKAGE 16-LEAD PLASTIC TSSOP 4060EFE T JMAX = 125 C, θ JA = 37 C/W EXPOSED PAD (PIN 17) IS GND MUST BE SOLDERED TO PCB TO OBTAIN θ JA = 37 C/W OTHERWISE θ JA = 140 C T JMAX = 125 C, θ JA = 37 C/W EXPOSED PAD (PIN 17) IS GND MUST BE SOLDERED TO PCB TO OBTAIN θ JA = 37 C/W OTHERWISE θ JA = 135 C T A 25V CC = 5VV BAT = 2.8VGND = 0V GND SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V CC Supply V CC Operating Voltage Range (Note 4) V I CC V CC Supply Current (Note 9) I PROG = 2mA (R PROG = 698Ω), ma 2 PAUSE = V CC I SD V CC Supply Shutdown Current SHDN = 0V µa I BSD Battery Pin Leakage Current in Shutdown (Note 5) V BAT = 2.8V, SHDN = 0V µa I BSL Battery Pin Leakage Current in Sleep (Note 6) V CC = 0V, V BAT = 5.6V µa V UVI1 Undervoltage Lockout Exit Threshold SEL0 = 0, SEL1 = 0 and SEL0 = V CC, V SEL1 = 0, V CC Increasing V UVD1 Undervoltage Lockout Entry Threshold SEL0 = 0, SEL1 = 0 and SEL0 = V CC, V SEL1 = 0, V CC Decreasing

3 LTC4060 T A 25V CC = 5VV BAT = 2.8VGND = 0V GND SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V UVI2 Undervoltage Lockout Exit Threshold SEL0 = 0, SEL1 = V CC, V CC Increasing V V UVD2 Undervoltage Lockout Entry Threshold SEL0 = 0, SEL1 = V CC, V CC Decreasing V V UVI3 Undervoltage Lockout Exit Threshold SEL0 = V CC, SEL1 = V CC, V CC Increasing V V UVD3 Undervoltage Lockout Entry Threshold SEL0 = V CC, SEL1 = V CC, V CC Decreasing V V UVH Undervoltage Lockout Hysteresis For All SEL0, SEL1 Options 100 mv Charging Performance I FCH High Fast Charge Current (Notes 7, 10) R PROG = 698Ω, 5V < V CC < 10V A I FCL Low Fast Charge Current (Note 7) R PROG = 3480Ω, 4.5V < V CC < 10V A I PCH High Precharge Current (Note 7) R PROG = 698Ω, 4.5V < V CC < 10V ma I PCL Low Precharge Current (Note 7) R PROG = 3480Ω, 4.5V < V CC < 10V ma I BRD Battery Removal Detection Bias Current 4.5V < V CC < 10V, V BAT = V CC 0.4V µa V BR Battery Removal Threshold Voltage (Note 8) V CELL Increasing, 4.5V < V CC < 10V V V BRH Battery Removal Threshold Hysteresis Voltage V CELL Decreasing 50 mv (Note 8) V BOV Battery Overvoltage Threshold (Note 8) V CELL Increasing, 4.5V < V CC < 10V V V BOVH Battery Overvoltage Threshold Hysteresis (Note 8) V CELL Decreasing 50 mv V FCQ Fast Charge Qualification Threshold Voltage V CELL Increasing, 4.5V < V CC < 10V mv (Note 8) V FCQH Fast Charge Qualification Threshold Hysteresis V CELL Decreasing 50 mv Voltage (Note 8) V IDT Initial Delay Hold-Off Threshold Voltage (Note 8) V CELL Increasing, 4.5V < V CC < 10V V V IDTH Initial Delay Hold-Off Threshold Hysteresis Voltage V CELL Decreasing 50 mv (Note 8) V MDV ΔV Termination (Note 8) CHEM = V CC (NiCd) mv CHEM = 0V (NiMH) mv V PROG Program Pin Voltage 4.5V < V CC < 10V, R PROG = 635Ω V and 3480Ω V ART Automatic Recharge Programmed Threshold V CELL Decreasing, V ARCT = 1.1V, V Voltage Accuracy (Note 8) 4.5V < V CC < 10V V ARDT Automatic Recharge Default Threshold Voltage V CELL Decreasing, V ARCT = V CC, V Accuracy (Note 8) 4.5V < V CC < 10V V ARH Automatic Recharge Threshold Voltage Hysteresis V CELL Increasing 50 mv (Note 8) V ARDEF Automatic Recharge Pin Default Enable Threshold V CC V CC V Voltage V ARDIS Automatic Recharge Pin Disable Threshold mv Voltage I ARL Automatic Recharge Pin Pull-Down Current V ARCT = 1.3V µa V CLD NTC Pin Cold Threshold Voltage V NTC Decreasing, 4.5V < V CC < 10V V V CC V CC V CC V CLDH NTC Pin Cold Threshold Hysteresis Voltage V NTC Increasing 150 mv V HTI NTC Pin Hot Charge Initiation Threshold Voltage V NTC Decreasing, 4.5V < V CC < 10V V V CC V CC V CC 3

4 T A 25V CC = 5VV BAT = 2.8VGND = 0V GND SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS V HTIH NTC Pin Hot Charge Initiation Hysteresis Voltage V NTC Increasing 100 mv V HTC NTC Pin Hot Charge Cutoff Threshold Voltage V NTC Decreasing, 4.5V V CC 10V V V CC V CC V CC V HTCH NTC Pin Hot Charge Cutoff Hysteresis Voltage V NTC Increasing 100 mv V NDIS NTC Pin Disable Threshold Voltage mv I NL NTC Pin Pull-Down Current V NTC = 2.5V µa t ACC Timer Accuracy R PROG = 698Ω, C TIMER = 1.2nF and % Output Drivers R PROG = 3480Ω, C TIMER = 470pF I DRV Drive Pin Sink Current V DRIVE = 4V ma R DRV Drive Pin Resistance to V CC V DRIVE = 4V, Not Charging 4700 Ω V OL ACP, CHRG Output Pins Low Voltage I ACP = I CHRG = 10mA 0.8 V I OH ACP, CHRG Output Pins High Leakage Current Outputs Inactive, V CHRG = V ACP = V CC 2 2 µa Control Inputs V IT SHDN, SEL0, SEL1, CHEM, PAUSE Pins Digital V CC = 10V mv Input Threshold Voltage V ITH SHDN, SEL0, SEL1, CHEM, PAUSE Pins Digital 50 mv Input Hysteresis Voltage I IPD SHDN, SEL0, SEL1, CHEM Pins Digital Input V CC = 10V, V IN = V CC µa Pull-Down Current I IPU PAUSE Pin Digital Input Pull-Up Current V IN = GND µa Note 1: Note 2: LTC Note 3: 145 T JT A P D T J = T A + θ JA P D Note 4: V CC Note 5: PNP2.8V2 V BATV CCPNP B-C Note 6: PNP0VV CC 5.6V4V BATPNP B-E Note 7: PNP PNP Note 8: 1V BAT/ Note 9: 2mA Note 10: 2AV CC 5V UVLO 4.5VV CC 4

5 CELL VOLTAGE (V) CNiMH T A = 25 C V TERMINATION CELL VOLTAGE (V) CNiCd T A = 25 C V TERMINATION CELL VOTLAGE (V) C/2NiMH T A = 25 C V TERMINATION CHARGE TIME (MINUTES) CHARGE TIME (MINUTES) CHARGE TIME (MINUTES) 4060 G G G C/2NiCd I FCH I FCL CELL VOTLAGE (V) V TERMINATION IFCH (A) V CC = 10V V CC = 4.5V IFCL (ma) V CC = 10V V CC = 4.5V CHARGE TIME (MINUTES) TEMPERATURE ( C) TEMPERATURE ( C) 4060 G G G I BRD 18 V MDV 1.7 t ACC V CC = 10V NiCd 4.5V V CC 10V V CC = 10V IBRD (µa) V CC = 4.5V TEMPERATURE ( C) V MDV (mv) NiMH 4.5V V CC 10V TEMPERATURE ( C) ERROR (%) R PROG = 3480Ω C TIMER = 470pF R PROG = 698Ω C TIMER = 1.2nF TEMPERATURE ( C) V CC = 4.5V 4060 G G G09 5

6 DRIVE1PNP PNP LTC4060 BAT2LTC4060 V CC SENSE3V CC SENSE PNPPNP TIMER4PROGGND TIMERGND SHDN5L LLTC4060 PAUSE6 H L PROG7 GNDR PROG 1.5V 930 ARCT8 PROG2 ARCT V CC 1.3V ARCTGND 6 SEL0SEL19101 GND2 SEL1GNDSEL0V CC 3 SEL1V CC SEL0GND 4V CC NTC11NTC NTC NTCGND CHEM12 HNiCdΔV LNiMH ACP13V CC ACP LED V CC 141µF CHRG15 LTC4060GND GND LED GND16 17GND PCB

7 14 VOLTAGE REFERENCE I I/5 CURRENT DIVIDER R1 31.5Ω V CC I OSC + R2 0.03Ω UVLO SEL0 SEL1 SENSE 3 1.5V + A2 R PROG 7 PROG A1 COLD V CC SUPPLY GOOD 11 NTC THERMISTOR INTERFACE HOT OUTPUT DRIVER AND CURRENT LIMIT DRIVE 1 CUTOFF I I/5 IC OVERTEMPERATURE DETECT BAT CHRG ACP SHDN PAUSE CHARGER STATE CONTROL LOGIC A/D CONVERTER BATTERY DETECTOR I OSC I BRD GND 16, CHEM 10 SEL1 OSCILLATOR SEL0 TIMER 9 4 AUTORECHARGE DETECTOR 8 ARCT 4060 BD C TIMER 7

8 8 LTC4060 1LTC4060 LTC4060NiMHNiCd 11 2 V CC UVLO UVLO SEL0SEL1 ACP 1)SHDN 2) 3) 4) 5) CHRGGND LED

9 PROGGND A11.5VPROG N FET I/5I R1 I OSC TIMER PNP PNP SENSER2 0.03Ω A2DRIVE PNPR1 R2R1R2 AD ΔV AD ΔV ΔVCHEMNiMHNiCd SHDN PAUSE PNP V CC V CC PNP V CC UVLO V CC ACP SEL0 SEL1 V UVI1-3 V UVD1-3 UVLO100mV V CC 1.8V BAT600mV PNP LTC4060 I BSL LTC4060SHDNL V CC CHRG ACP LTC4060I SD I BSD 9

10 SHDNH LTC4060 V CELL (V BAT /) 2.05V (V BR ) V CELL VV BOV V CELL 1.9VV BOV V BOVH SHDNLH NTC V NDIS LTC LTC4060 V CC SHDN LH CHRGL LV CELL 900mVV FCQ LTC40601/5 V FCQ LTC CHRGL 545 V FCQ LTC4060 PROGGND 1LTC4060 UVLO / / (t MAX ) R PROG C TIMER C ( ) ms 2A 698Ω 1nF to to to 260 2A 698Ω 1.5nF to to to 390 2A 698Ω 1.8nF to to to 480 2A 698Ω 2.7nF to to to mA 3480Ω 180pF to to to mA 3480Ω 270pF to to to mA 3480Ω 390pF to to to mA 3480Ω 560pF to to to

11 555 CHRGL5 45 ΔV 1 ΔV ΔV V CELL 1.3VV IDT ΔV 1.5mVA/D1 4 V MDV CHEM 1 SHDNLH NiMHNiCd CHRG V CELL 1 ARCT ARCT2 2 ARCT PROG1.5VV PROG ARCT 0.8V1.6V 1.3V V ARDT ARCTV CC V ARDEF ARCTV ARDIS PAUSE PAUSE H CHRGGND ΔV PAUSEH PAUSE H 11

12 CHEM GND NiMH CHEMV CC NiCd 2 SEL0SEL1 1GND 2SEL0V CC SEL1GND 3SEL0GNDSEL1V CC 4V CC LTC4060V CELL I BRD V CELL VV BR LTC4060 V CELL 1 V BR 1.95VV BOV LTC4060 2LTC4060 STATE CHEM CHARGE TIME LIMIT T MIN T MAX I CHRG TYPICAL TERMINATION CONDITION Precharge Both t MAX 5 C 45 C I MAX /5 V CELL 0.9V Fast Charge NiCd t MAX 5 C 55 C I MAX 16mV Per Cell After Initial t MAX /12 Delay NiMH t MAX 5 C 55 C I MAX 8mV Per Cell After Initial t MAX /12 Delay PROGGND I MAX I MAX or R PROG 12 V = ( IPROG) = R 1395 = I MAX PROG R PROG PROG 1A 1395 RPROG = = 1. 4k 1% Resistor 1A I MAX 20% LTC40602A PROG2.15mA 698Ω 200mA 1 = 7mA 1% PROG75pF AC PROG DACPROG DAC

13 TIMER PROG1.5VV PROG PROG930I MAX R PROG PROG2.3mA LTC4060PROG LTC4060TIMER 1 TIMER PROG t MAX (Hours) = R PROG (Ω) C TIMER (F) C TIMER tmax ( Hours) ( F) = R ( Ω) PROG 1 CHRG ΔV ΔV 2C0.75 C/2 3.5 TIMER H2.5VV CC L0V 0.25V R PROG 5% LTC4060 NTC NTC 2V CC V CLD V HTI V HTC NTC 2NTH4G NTH4G39A103F10k NTC R HOT NTC45 V NTC = V HTI = 0.5 V CC 1% LTC k 45 3k55V NTC = V HTC = 0.4 V CC 4.8k 43452V CC = 5V V CC 13

14 34k05 5V CC = 5V 27k 5V NTC = V CLD = 0.86 V CC LTC4060 R COLD R HOT 7 NTH4G 25100k PNP V CC LTC4060R HOT V CC V CC R HOT V CC DC SEL0 SEL1UVLO UVLO LTC406060Hz120Hz PNP - LTC4060 PNP BAT LTC4060 BAT BAT 14 V CC LTC40601µF Q Q 1Ω BAT BATGND 10µF BATV CC PNP PNP 40mAI DRV 2A50PNP V IN = 0V V SENSE = 0V DRIVEBAT

15 PNPV CESAT V CESAT I R 0.08Ω V CESAT (V) < V DD(MIN) (I BAT(MAX) 0.08Ω + V BAT(MAX) ) 4.75V3.6V 1.8V22A V CESAT V CESAT (V) = 4.75 ( ) = 0.99V PNP DRIVE LTC4060 DRIVE PNP - I BAT βi C /I B I BAT I ( A) = 930 I BAT PROG β β + 1 β = 100I BAT 1%1%I PROG 1% PNP PNP P D(MAX) (W) = I MAX (V DD(MAX) V BAT(MIN) ) V DD(MAX) V BAT(MIN) 0.9V/ 0.9V/ LTC DRIVEPNP V CE DRIVE SHDN LH PNP PNPLTC PNP PNP145 LTC4060 θ JA / LTC4060PCB LTC4060 DRIVE P D = (I BAT ) I DRIVE (V CC V EB ) T J = T A + θ JA P D V EB PNP- 15

16 2A 2LED PROG691Ω PNP2.02A100 2AARCT 1.25V C BAT C TIMER 24AC/2 1A 3V IN P FETV IN FET V IN ACPV IN V IN = 5V R HOT 4.42k CHARGE R NTC 10k R PROG 115Ω R ARCT 576Ω R LED 330Ω V CC SHDN ACP CHRG SENSE NTC DRIVE LTC4060 PROG BAT ARCT TIMER SEL0 CHEM SEL1 PAUSE GND R LED 330Ω MJD210 AC C TIMER 1.5nF 4060 F02 C BAT 10µF + 2-CELL NiMH BATTERY 22A 16 31A

17 LTC4060 I BRD I BRD 4 VIN 5R ISET 2A PCB 2 R ISET LTC ΩT.C. = 3500ppm/ I ( ) = IMAX 1+ R MAX EXT = 2A 1. 5 = 3A ISET R ISET = 0.16ΩR PROG = 698Ω DRIVEPNP PNP V IN 1N V CC LTC4060 SENSE DRIVE BAT k 2-CELL NiMH BATTERY 4060 F04 4 V IN 14 V CC 0.08Ω SENSE DRIVE BAT LTC R ISET 0.16Ω CELL NiMH BATTERY 4060 F

18 6 PFET 6 18

19 DHC 16DFN (5mm3mm) (Reference LTC DWG # ) 0.65 ± ± ± ±0.05 (2 SIDES) PACKAGE OUTLINE 4.40 ±0.05 (2 SIDES) 0.25 ± BSC RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS 5.00 ±0.10 (2 SIDES) R = 0.20 TYP 9 R = TYP ± PIN 1 TOP MARK NOTE (SEE 6 NOTE 6) REF 3.00 ±0.10 (2 SIDES) 0.75 ± ± 0.10 (2 SIDES) NOTE NOTE: JEDECMO-229WJED-1 DRAWING PROPOSED TO BE MADE VARIATION OF VERSION (WJED-1) IN PACKAGE OUTLINE MO DRAWING NOT TO SCALE ALL DIMENSIONS ARE IN MILLIMETERS DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE 0.15mm MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE EXPOSED PAD SHALL BE SOLDER PLATED SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE ±0.10 (2 SIDES) ± BSC BOTTOM VIEW EXPOSED PAD 1 PIN 1 NOTCH (DHC16) DFN

20 FE 16TSSOP4.4mm (Reference LTC DWG # ) BC 3.58 (.141) * ( ) 3.58 (.141) ± ±0.10 SEE NOTE (.116) 0.45 ± ± (.252) (.116) BSC 0.65 BSC RECOMMENDED SOLDER PAD LAYOUT * ( ) 0.25 REF (.0433) MAX ( ) ( ) NOTE NOTE: 1. CONTROLLING DIMENSION: MILLIMETERS MILLIMETERS 2. DIMENSIONS ARE IN (INCHES) 3. DRAWING NOT TO SCALE 0.65 (.0256) BSC ( ) TYP 4. RECOMMENDED MINIMUM PCB METAL SIZE FOR PCB EXPOSED PAD ATTACHMENT ( ) FE16 (BC) TSSOP 0204 *DIMENSIONS * DO NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL 0.150mm0.006" NOT EXCEED (.006") PER SIDE LTC1732 FETC/10 LTC A LTC1734 ThinSOT TM ThinSOT LTC1734L ThinSOT LTC173450mA I CHRG 180mA LTC1998 1%2.5µASOT-23 LTC4006/LTC4007 4A 6V V IN 28V96% 0.8% LTC4008 4A AC LTC4052 FET 1.5A LTC4053 USB 1.25A LTC4054 ThinSOT C/10 C/10800mA LTC4055 USB USBAC LTC4058 DFN 950mA LTC4058X C/10 LTC4411 ThinSOTPowerPath TM DCOR LTC4412 ThinSOTPowerPath LINEAR TECHNOLOGY CORPORATION 2004