LTC4098EUDC-1 View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC4098EUDC-1

USB Compatible Switching Power Managers/Li-Ion Chargers with Overvoltage Protection

Linear Technology 

LTC4098/LTC4098-1

TYPICAL APPLICATIONS

High Efficiency USB/2A Automotive Battery Charger with Overvoltage

Protection and Low Battery Start-Up

AUTOMOTIVE,

FIREWIRE, ETC.

C1

C7

4.7μF 68nF

R10

40.2k

4

R11

150k

5

VIN

RUN/SS

10

RT PG

7

2

BOOST

3

SW

LT3480

8

FB

VC GND BD SYNC

9

11 1 6

C6

0.47μF L2

10μH

D3

R9 R8

C4

499k 100k

22μF

M1

L1

3.3μH

M3

USB

R3

6.04k

3

TO μC

TO μC

13 VBUS

C2

20 18

VC WALL

19 14

ACPR SW

10μF

0805 2

OVGATE

12

VOUT

1

OVSENS

10

IDGATE

M2

15-17

D0-D2

8 CHRG

LTC4098/LTC4098-1

11

BAT

4

NTCBIAS

M1, M2: VISHAY-SILICONIX Si2333DS

R4

M3: ON SEMICONDUCTOR NTLJS4114N

100k

R5: VISHAY-DALE NTHS0603N011-N1003F

5

NTC

CLPROG PROG GND BATSENS

T

R5

100k

C3

0.1μF

0603

3

R6

3.01k

7 9, 21

R7

1k

6

+

Li-Ion

SYSTEM

LOAD

C5

10μF

0805

40981 TA02

USB/Wall Adapter Battery Charger with Dual Overvoltage Protection,

Reverse-Voltage Protection and Low Battery Start-Up

5V WALL ADAPTER

USB

M1

R1

R2

M2

M3

D3

D4

M4

D1

D2 R3

6.04k

3

TO μC

TO μC

M1, M2, M5, M6: VISHAY-SILICONIX Si2333DS

M3, M4: FAIRCHILD SEMI FDN372S

R5: VISHAY-DALE NTHS0603N011-N1003F

D1, D2: NXP BAT54C

D3, D4: ON SEMICONDUCTOR MNBZ5232BLT1G

R4

100k

T

R5

100k

13

C2

10μF

0805

1

15-17

8

4

5

C1

10μF

0805

M5

L1

3.3μH

2

18

VBUS OVGATE WALL

19 14

ACPR SW

SYSTEM

LOAD

12

VOUT

OVSENSE

10

IDGATE

M6

D0-D2 LTC4098/LTC4098-1

11

BAT

CHRG

NTCBIAS

C4

10μF

0805

NTC

CLPROG PROG GND BATSENS

C3

0.1μF

0603

3

R6

3.01k

7 9, 21

R7

1k

6

+

Li-Ion

40981 TA03

28

40981fc

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