EUP8057 datasheet(6/16 Pages) EUTECH

Part #	EUP8057

Description	Advanced 1A Linear Charge Management Controllers

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Manufacturer	EUTECH [Eutech Microelectronics Inc]

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EUP8057

DS8057 Ver 1.8 Nov. 2006

6

Electrical Characteristics Over Recommended Operating Free-Air Temperature Range

EUP8057

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

V(SNS)

Current regulation threshold Voltage at pin SNS, relative to VCC

180

200

220

mV

Charge Termination Detection

I(TERM)

Charge termination current

detect threshold

Voltage at pin SNS, relative to VCC

0°C

≤ T

A ≤ 50°C

5

15

25

mV

Temperature Comparator

V(TS1)

Lower temperature threshold

29

30

31

V(TS2)

Upper temperature threshold

TS pin voltage

58

60

62

%

VCC

Precharge Comparator

EUP8057-4.1

2.94

3

3.06

EUP8057-4.2

3.14

3.2

3.26

EUP8057-8.2

5.98

6.1

6.22

EUP8057-8.3

6.13

6.25

6.37

V(min)

Precharge threshold

EUP8057-8.4

6.18

6.3

6.43

V

Precharge Current Regulation

Voltage at pin SNS, relative to VCC

0°C

≤ T

A ≤ 50°C

18

mV

I(PRECHG) Precharge current regulation

Voltage at pin SNS, relative to VCC

0°C

≤ T

A ≤ 50°C , VCC=9V

5

33

mV

VRCH comparator(Battery Recharge Threshold)

EUP8057-4.1 and EUP8057-4.2

VO(REG)-

102mV

VO(REG)-

100mV

VO(REG)-

98mV

V(RCH)

Recharge threshold

EUP8057-8.2 ,EUP8057-8.3 and EUP8057-8.4

VO(REG)-

204mV

VO(REG)-

200mV

VO(REG)-

196mV

V

STAT Pin

VOL(STAT)

Output(low)voltage

IOL=10mA

0.7

VOH(STAT)

Output(high)voltage

IOH=5mA

VCC-0.8

V

CC Pin

VOL(CC)

Output low voltage

IO(CC)=5mA(sink)

2

V

IO(CC)

Sink current

Not to exceed power rating specification(PD)

5

40

mA

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