LTC4101EG データシートの表示（PDF） - Linear Technology

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LTC4101EG

Smart Battery Charger Controller

Linear Technology 

LTC4101

TYPICAL APPLICATION

LTC4101 Li-Ion Battery Charger ILIM = 4A/VLIM = 4.240V, Adapter Rating = 2.7A

DCIN

9V TO 12V

DCIN

FROM WALL

ADAPTER

C1

0.1μF

RCL

0.033Ω

0.5W

Q1

1%

C9

0.1μF R1

10V 4.9k

SYSTEM

LOAD

R11

1.21k

1%

3V TO 5.5V

10k 10k

SDA

D4

SCL

D5

R10

4 24

23

6.04k

1%

INFET CLP CLN

5

DCIN

TGATE 1

Q2

C2, C3

11

DCDIV

R5

6.04k

1%

C6, 0.12μF

19

ITH

BGATE 3

PGND

10V, X7R

C7, 0.0015μF

LTC4101

10V, X7R 20

C8, 0.068μF

IDC

CSP 21

10V, X7R

0.1μF

10V

12

GND

17

VDD

22

BAT

14

VLIM

13

ILIM

VSET 18

10

ACP

6

CHGEN

THA 16

Q3

D1

10μF s2

16V

X5R

RSNS

0.025Ω

0.5W, 1%

L1

DCIN

6μH

4A

100k

C4,C5

10μF s2

10V

X5R

Q4

1/2 Si790IEDN

C4

0.03μF

25V

R4

100Ω

1 CELL Li-Ion BATTERY

C5

0.1μF

10V

RTHA

1.13k

1%

SafetySignal

300Ω

D2

7 SMBALERT THB 15

D3

8

SDA

RTHB

54.9k

1%

4101 TA02

SDA

SCL

9

SCL

D1: MBRM140T3

D2-D5: SMALL SIGNAL SCHOTTKY

Q1: 1/2 Si790IEDN

Q2: FDS6685

Q3: Si7804DN

RELATED PARTS

PART NUMBER DESCRIPTION

LTC1760

Smart Battery System Manager

LTC4006

Small, High Efficiency, Fixed Voltage,

Lithium-Ion Battery Charger

LTC4007

LTC4008

LTC4010

High Efficiency, Programmable Voltage

Battery Charger with Termination

High Efficiency, Programmable Voltage/Current

Battery Charger

High Efficiency Standalone Nickel Battery Charger

LTC4011

High Efficiency Standalone Nickel Battery Charger

LTC4060

Standalone Linear NiMH/NiCd Fast Charger

LTC4100

LTC4412

Smart Battery Charger Controller

Low Loss PowerPath Controller

PowerPath is a trademark of Linear Technology Corporation.

30 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

COMMENTS

Autonomous Power Management and Battery Charging for Two Smart

Batteries, SMBus Rev 1.1 Compliant

Constant Current/Constant Voltage Switching Regulator with Termination

Timer, AC Adapter Current Limit and SafetySignal Sensor

in a Small 16-Pin Package

Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter

Current Limit, SafetySignal Sensor and Indicator Outputs

Constant Current/Constant Voltage Switching Regulator; Resistor Voltage/

Current Programming, AC Adapter Current Limit and SafetySignal Sensor

Complete NiMH/NiCd Charger in a 16-Pin TSSOP Package, Constant-Current

Switching Regulator

Complete NiMH/NiCd Charger in a 20-Pin TSSOP Package, PowerPath™

Control. Constant-Current Switching Regulator

Complete NiMH/NiCd Charger in a Small Leaded or Leadless 16-Pin Package,

No Sense Resistor or Blocking Diode Required

For Smart Batteries with Voltages Above 5.5V

Very Low Loss Replacement for Power Supply OR’ing Diodes Using

Minimal External Components

4101fa

LT 1109 REV A • PRINTED IN USA

© LINEAR TECHNOLOGY CORPORATION 2006

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