UB2012 Просмотр технического описания (PDF) - Unisonic Technologies

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UB2012

ADVANCED LINEAR CHARGE MANAGEMENT IC FOR SINGLE AND TWO-CELL LITHIUM-ION AND LITHIUM-POLYMER

Unisonic Technologies 

UB2012

LINEAR INTEGRATED CIRCUIT

 ELECTRICAL CHARACTERISTICS (Cont.)

CHARGE TERMINATION DETECTION

Charge Termination Current

Detect Threshold

V(TERM) Voltage at pin SNS

TEMPERATURE COMPARATOR

Temperature Threshold

Lower

Upper

V(TS1)

V(TS2)

TS Pin Voltage

PRECHARGE COMPARATOR

UB2012A

Precharge Threshold

V(MIN)

UB2012B

UB2012C

UB2012D

PRECHARGE CURRENT REGULATION

Precharge Current Regulation V(PRECHG) Voltage at pin SNS

VRCH COMPARATOR (BATTERY RECHARGE THRESHOLD)

Recharge Threshold

V(RCH)

UB2012A

UB2012B

UB2012C

UB2012D

CHARGE-RATE COMPENSATION (Automatic Charge-Rate Compensation)

Automatic Charge-Rate

Compensation Gain

G(COMP) V(BAT)+0.3V≤VCC≤VCC(MAX),

STAT PIN

Output (Low) Voltage

Output (High) Voltage

VOL(STAT) IOL=10mA

VOH(STAT) IOH=5mA

CC PIN

Output Low Voltage

VOL(CC)

Sink Current

IO(CC)

Note:

V(BAT) +0.3 V≤VCC≤VCC(MAX)

IO(CC)=5mA (sink)

Not to exceed power rating (PD)

-30 -14

-4

mV

29

30

31 %VCC

58

60

62 %VCC

2.92 3.0 3.08 V

3.02 3.1 3.18 V

5.85 6.0 6.15 V

6.05 6.2 6.35 V

3

14

30 mV

VO(REG) VO(REG- VO(REG)

-70mV -100mV -130mV

V

VO(REG) VO(REG) VO(REG)

-140mV -200mV -260mV

V

1.6

2.2

2.8 V/V

VCC-0.5

5

0.7 V

V

1.6 V

40 mA

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

5 of 17

QW-R121-018 .G

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