LTC4085EDEPBF データシートの表示（PDF） - Linear Technology

部品番号

コンポーネント説明

メーカー

LTC4085EDEPBF

USB Power Manager with Ideal Diode Controller and Li-Ion Charger

Linear Technology 

LTC4085

ELECTRICAL CHARACTERISTICS The l indicates specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VIN = 5V, VBAT = 3.7V, HPWR = 5V, WALL = 0V, RPROG = 100k,

RCLPROG = 2k, unless otherwise noted.

SYMBOL

PARAMETER

CONDITIONS

MIN TYP MAX

VCLPROG

ISS

VCLEN

Battery Charger

CLPROG Pin Voltage

Soft-Start Inrush Current

Input Current Limit Enable Threshold

Voltage

RPROG = 2k

RPROG = 1k

IN or OUT

(VIN – VOUT) VIN Rising

(VIN – VOUT) VIN Falling

l 0.98

1

1.02

l 0.98

1

1.02

5

20

50

80

–80

–60

–20

VFLOAT

IBAT

IBAT(MAX)

VPROG

kEOC

ITRIKL

VTRIKL

VCEN

VRECHRG

tTIMER

Regulated Output Voltage

Current Mode Charge Current

Maximum Charge Current

PROG Pin Voltage

Ratio of End-of-Charge Current to

Charge Current

Trickle Charge Current

Trickle Charge Threshold Voltage

Charger Enable Threshold Voltage

Recharge Battery Threshold Voltage

TIMER Accuracy

Recharge Time

IBAT = 2mA

IBAT = 2mA, (0°C to 85°C)

RPROG = 100k (0.1%), No Load

RPROG = 50k (0.1%), No Load

(Note 8)

RPROG = 100k

RPROG = 50k

VBAT = VFLOAT (4.2V)

VBAT = 2V, RPROG = 100k (0.1%)

(VOUT – VBAT) Falling; VBAT = 4V

(VOUT – VBAT) Rising; VBAT = 4V

VFLOAT – VRECHRG

VBAT = 4.3V

Percent of Total Charge Time

4.165 4.2 4.235

4.158 4.2 4.242

l 465

l 900

500

535

1000 1080

1.5

l 0.98

1

1.02

l 0.98

1

1.02

l 0.085 0.1

0.11

40

50

60

l 2.8

2.9

3

55

80

l 65

100

135

-10

10

50

Low-Battery Trickle Charge Time

Percent of Total Charge Time, VBAT < 2.8V

25

TLIM

Junction Temperature in Constant

105

Temperature Mode

Internal Ideal Diode

RFWD

RDIO(ON)

VFWD

Incremental Resistance, VON Regulation

ON Resistance VBAT to VOUT

Voltage Forward Drop (VBAT – VOUT)

VOFF

Diode Disable Battery Voltage

IFWD

Load Current Limit, for VON Regulation

ID(MAX)

Diode Current Limit

External Ideal Diode

IBAT = 100mA

IBAT = 600mA

IBAT = 5mA

IBAT = 100mA

IBAT = 600mA

125

215

l 10

30

50

55

160

2.8

550

2.2

VFWD,EDA

Logic

VOL

VIH

VIL

IPULLDN

External Ideal Diode Forward Voltage VGATE = 1.85V; IGATE = 0

Output Low Voltage, CHRG, ACPR

Input High Voltage

Input Low Voltage

Logic Input Pull-Down Current

ISINK = 5mA

SUSP, HPWR Pin

SUSP, HPWR Pin

SUSP, HPWR

l

l 1.2

l

20

0.1 0.25

0.4

2

UNITS

V

V

mA/μs

mV

mV

V

V

mA

mA

A

V

V

mA/mA

mA

V

mV

mV

mV

%

%

%

°C

mΩ

mΩ

mV

mV

mV

V

mA

A

mV

V

V

V

μA

4085fd

3

Share Link: