LTC4007EUFD-1#TRPBF Linear Technology, LTC4007EUFD-1#TRPBF Datasheet - Page 22

• Manufacturer Part Number: LTC4007EUFD-1#TRPBF
• Description: IC CHARGER BATTERY 4A 24-QFN
• Manufacturer: Linear Technology
• Type: Battery Chargerr

Specifications of LTC4007EUFD-1#TRPBF

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 6 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-WFQFN Exposed Pad
• Output Current: 4A
• Output Voltage: 4.1/4.2V
• Operating Supply Voltage (min): 6V
• Operating Supply Voltage (max): 28V
• Operating Temp Range: -40C to 85C
• Package Type: QFN
• Mounting: Surface Mount
• Pin Count: 24
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC4007-1
APPLICATIO S I FOR ATIO
22
0V TO 20V
V
LOBAT
FAULT
SHDN
LOGIC
DCIN
FLAG
CHG
ACP
THERMISTOR
I
3A
CL
R10
100k
R11
100k
Figure 11. Circuit Application (16.8V/3A) to Automatically Trickle Charge Depleted Batteries
U
R12
100k
R9 32.4k 1%
C7
0.47µF
309k
U
1%
R
T
*
*
TIMING RESISTOR
(~2 HOURS)
3C4C
CHEM
LOBAT
I
ACP
SHDN
FAULT
CHG
FLAG
NTC
R
CL
T
W
LTC4007-1
TGATE
BGATE
INFET
PGND
PROG
DCIN
GND
CLP
CLN
CSP
BAT
ITH
U
C1
0.1µF
R7
6.04k
1%
INPUT SWITCH
C6
0.12µF
Q3
C5
0.0047µF
3.01k
1%
R4
52.3k
C4
15nF
R14
1%
R5 3.01k 1%
R6
26.7k
1%
Q4
4.99k
1%
R1
Q1
Q2
R
0.033Ω
1%
CL
40071
*PIN OPEN
D1: MBRM140T3
Q1: Si4431BDY
Q2: FDC645N
Q4: 2N7002 OR BSS138
F11
C2
20µF
15µH 3A
D1
L1
0.033Ω
R
SENSE
1%
C3
20µF
MONITOR
(CHARGING
CURRENT
MONITOR)
SYSTEM
LOAD
BAT
40071f