LLTC4100EG 查看數據表（PDF） - Linear Technology
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LLTC4100EG Datasheet PDF : 30 Pages
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LTC4100
Typical Application
LTC4100 Li-Ion Battery Charger ILIM = 4A/VLIM = 17.4V, Adapter Rating = 2.7A
15V TO 20V
DCIN
FROM WALL
ADAPTER
R11
1.21k
1%
3V TO 5.5V
10k 10k
SDA
D4
SCL
D5
C1
0.1µF
DCIN
Q1
RCL
0.033Ω
0.5W
1%
C9
0.1µF
10V
R1
4.9k
SYSTEM
LOAD
DCIN
D6
100k
R10
4 24
23
Q4
13.7k
1%
INFET CLP CLN
5
DCIN
TGATE 1
11
DCDIV
R5
6.04k
1%
C6, 0.12µF
19
ITH
BGATE 3
PGND 2
10V, X7R
C7, 0.0015µF
LTC4100
10V, X7R 20
C8, 0.068µF
IDC
CSP 21
10V, X7R
0.1µF
10V
12
GND
17
VDD
BAT 22
Q2
Q3
D1
C2, C3
10µF × 2
25V
X5R
RSNS
0.025Ω
0.5W, 1%
L1
10µH
4A
C4,C5
10µF × 2
25V
X5R
OPTIONAL
DISCHARGE
PATH TO
SYSTEM
LOAD
R6, RVLIM 33k
14
VLIM
13
ILIM
10
ACP
VSET 18
C4
0.01µF
25V
R4
100Ω
C5
0.1µF
10V
RTHA
1.13k
4-CELL Li-Ion
SMART BATTERY
SafetySignal
300Ω
6
CHGEN
THA 16
1%
D2
7
SMBALERT
THB 15
SDA
SCL
D3
8
SDA
RTHB
54.9k
1%
9
SCL
D1: MBRM140T3G
D2-D5: SMALL SIGNAL SCHOTTKY
4100 TA02 D6: 18V ZENER DIODE
Q1: 1/2 Si4925BDY
Q2: FDS6685
Q3: FDC645N
Q4: 1/2 Si4925
Related Parts
PART NUMBER
LTC1760
LTC1960
LTC1980
LTC4006
LTC4007
LTC4008
LTC4101
LTC4412
DESCRIPTION
COMMENTS
Smart Battery System Manager
Autonomous Power Management and Battery Charging for Two Smart Batteries,
SMBus Rev 1.1 Compliant
Dual Battery Charger/Selector with SPI Interface
Simultaneous Charge or Discharge of 2 Batteries, DAC Programmable Current
and Voltage, Input Current Limiting Maximizes Charge Current
Combination Battery Charger and DC/DC Converter Input Supply May be Above or Below Battery Voltage, up to 8.4V Float Voltage,
24-Pin SSOP Package
Small, High Efficiency, Fixed Voltage, Lithium-Ion Constant Current/Constant Voltage Switching Regulator with Termination Timer,
Battery Charger
AC Adapter Current Limit and SafetySignal Sensor in a Small 16-Pin Package
High Efficiency, Programmable Voltage Battery
Charger with Termination
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter Current Limit,
SafetySignal Sensor and Indicator Outputs
High Efficiency, Programmable Voltage/Current
Battery Charger
Constant Current/Constant Voltage Switching Regulator; Resistor Voltage/
Current Programming, AC Adapter Current Limit and SafetySignal Sensor
Smart Battery Charger Controller
For Smart Batteries with Voltages Below 5.5V
Low Loss PowerPath™ Controller
Very Low Loss Replacement for Power Supply ORing Diodes Using Minimal
External Components
30 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 950Fo3r5m-7o4re1i7nformation www.linear.com/LTC4100
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC4100
4100fc
LT 0214 REV C • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2006
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