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LTC4162EUFD-FST#PBF Datasheet(PDF) 8 Page - Analog Devices

Part # LTC4162EUFD-FST#PBF
Description  35V/3.2A Multicell LiFePO4 Step-Down Battery Charger with PowerPath and I2C Telemetry
PDF  52 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC4162EUFD-FST#PBF Datasheet(HTML) 8 Page - Analog Devices

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8
LTC4162-F
Rev A
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
3.3Ah 2-Cell Battery Charge
Current and Voltage vs Time
400mAh 2-Cell Battery Rapid
Charge Current and Voltage vs Time
Charge Current During BSR
Measurement Cycle
Light to Dark Solar Panel Tracking
Solar Panel Global Sweep
0.0
0.5
1.0
1.5
2.0
TIME (H)
0.0
0.8
1.6
2.4
3.2
4.0
IN
V = 18V
CHARGE
CURRENT
BATTERY VOLTAGE
1 HOUR CV TIMER
TERMINATION
1 HOUR CV TIMER
TERMINATION
1 HOUR CV TIMER
TERMINATION
1 HOUR CV TIMER
TERMINATION
5.0
5.5
6.0
6.5
7.0
7.5
4162F G10
0.0
0.5
1.0
1.5
2.0
TIME (H)
0.0
0.3
0.6
0.9
1.2
1.5
1.8
IN
V = 12V
CHARGE
CURRENT
BATTERY
VOLTAGE
1 HOUR CV TIMER
TERMINATION
1 HOUR CV TIMER
TERMINATION
1 HOUR CV TIMER
TERMINATION
1 HOUR CV TIMER
TERMINATION
15 MINUTE ABSORB
TERMINATION
15 MINUTE ABSORB
TERMINATION
15 MINUTE ABSORB
TERMINATION
15 MINUTE ABSORB
TERMINATION
5.7
6.0
6.3
6.6
6.9
7.2
7.5
4162F G11
0
10
20
30
40
50
TIME (ms)
−1
0
1
2
3
4
5
OPEN CIRCUIT BATTERY
VOLTAGE MEASUREMENT
ca. THIS TIME POINT
OPEN CIRCUIT BATTERY
VOLTAGE MEASUREMENT
ca. THIS TIME POINT
OPEN CIRCUIT BATTERY
VOLTAGE MEASUREMENT
ca. THIS TIME POINT
OPEN CIRCUIT BATTERY
VOLTAGE MEASUREMENT
ca. THIS TIME POINT
4162F G13
0
100
200
300
400
500
TIME (s)
0
5
10
15
20
25
30
35
PANEL
VOLTAGE
PANEL
CURRENT
1 CELL
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
4162F G14
0.0
0.6
1.2
1.8
2.4
3.0
TIME (s)
0
3
6
9
12
15
18
21
24
0.00
0.15
0.30
0.45
0.60
0.75
0.90
1.05
1.20
4162F G15
PANEL
VOLTAGE
PANEL
CURRENT
Example Power Path Handover
0
20
40
60
80
100
TIME (µs)
0
5
10
15
20
25
BATFET
INFET
4162F G12
VBATSENS+ = 15V
VIN = 15V TO 15.5V
QGS = 6nC
TA = 25°C, unless otherwise noted.



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