LTC4006 Linear Technology, LTC4006 Datasheet - Page 16

• Manufacturer Part Number: LTC4006
• Description: Standalone Li-Ion Battery Charger
• Manufacturer: Linear Technology

RELATED PARTS
TYPICAL APPLICATIO
PART NUMBER
LT
LT1513
LT1571
LTC1628-PG
LTC1709
LTC1729
LT1769
LTC1778
LTC1960
LTC3711
LTC4007
LTC4008
No R
LTC4006
16
THERMISTOR
®
1511
SENSE
CURRENT MONITOR
NTC
10k
is a trademark of Linear Technology Corporation.
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone]
CHARGING
0V TO 20V
V
DESCRIPTION
3A Constant-Current/Constant-Voltage Battery Charger
Sepic Constant- or Programmable- Current/Constant-
Voltage Battery Charger
1.5A Switching Charger
2-Phase, Dual Synchronous Step-Down Controller
2-Phase, Dual Synchronous Step-Down Controller
with VID
Li-Ion Battery Charger Termination Controller
2A Switching Battery Charger
Wide Operating Range, No R
Step-Down Controller
Dual Battery Charger/Selector with SPI Interface
No R
with VID
High Efficiency, Programmable Voltage,
Battery Charger with Termination
High Efficiency, Programmable Voltage/Current
Battery Charger
LOGIC
DCIN
2.5A
CHG
ACP
0.0047 F
SENSE
C7
0.47 F
C5
Synchronous Step-Down Controller
(~2 HOURS)
RESISTOR
TIMING
R9 32.4k
309k
R
T
R3
100k
U
0.12 F
SENSE
6.04k
C6
R4
www.linear.com
TM
Synchronous
DCIN
CHG
ACP/SHDN
I
NTC
R
I
GND
2A Li-Ion Battery Charger
MON
TH
T
LTC4006
BGATE
TGATE
PGND
INFET
0.1 F
CLN
CSP
CLP
BAT
COMMENTS
High Efficiency, Minimum External Components to Fast Charge Lithium,
NIMH and NiCd Batteries
Charger Input Voltage May be Higher, Equal to or Lower Than Battery Voltage,
500kHz Switching Frequency
1- or 2-Cell Li-Ion, 500kHz or 200kHz Switching Frequency, Termination Flag
Minimizes C
Up to 42A Output, Minimum C
Intel and AMD Processors
Trickle Charge Preconditioning, Temperature Charge Qualification, Time or
Charge Current Termination, Automatic Charger and Battery Detection, and
Status Output
Constant-Current/Constant-Voltage Switching Regulator, Input Current
Limiting Maximizes Charge Current
2% to 90% Duty Cycle at 200kHz, Stable with Ceramic C
Simultaneous Charge or Discharge of Two Batteries, DAC Programmable
Current and Voltage, Input Current Limiting Maximizes Charge Current
3.5V V
Mobile Processors
Complete Charger for 3- or 4-Cell Li-Ion Batteries, AC Adapter
Current Limit, Thermistor Sensor and Indicator Outputs
Constant-Current/Constant-Voltage Switching Regulator, Resistor Voltage/
Current Programming, AC Adapter Current Limit and Thermistor Sensor and
Indicator Outputs
C1
INPUT SWITCH
IN
Q3
IN
36V, 0.925V V
and C
OUT
C4
15nF
R1
5k
, Power Good Output, 3.5V V
Q1
Q2
OUT
R
0.04
IN
CL
and C
2V, for Transmeta, AMD and Intel
C2
20 F
OUT
, Uses Smallest Components for
LINEAR TECHNOLOGY CORPORATION 2003
TO LOAD
22 H 2A
D1
L1
LT/TP 0503 1K • PRINTED IN USA
D1: MBRM140T3
Q1, Q3: Si3457
Q2: Si3454
R
0.05
SENSE
IN
OUT
36V
4006 TA02
C3
20 F
sn4006 4006is
BATTERY