MC34675AEPR2 Freescale Semiconductor, MC34675AEPR2 Datasheet - Page 10

• Manufacturer Part Number: MC34675AEPR2
• Description: IC BATTERY CHARGER 28V 8-UDFN
• Manufacturer: Freescale Semiconductor

Specifications of MC34675AEPR2

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 2.6 V ~ 6.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-UDFN
• Product: Charge Management
• Output Voltage: 4.2 V
• Output Current: 1000 mA
• Operating Supply Voltage: 2.6 V to 6.6 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10
34675
ELECTRICAL CHARACTERISTICS
ELECTRICAL PERFORMANCE CURVES
Figure 18. Constant Charge Current vs Temperature
Figure 17. Charger Output Voltage vs Temperature
Figure 16. DET Dropout Voltage vs Output Current
4.210
4.205
4.200
4.195
4.190
4.185
4.180
1200
1000
160
120
800
600
400
200
80
40
0
-40
0
-40
0
DET Pin Output Current (mA)
-20
V
V
V
-20
IN
2
IN
IN
= 5.0V, V
= 4.7V, I
= 5.0V, I
Temperature (°C)
Temperature (°C)
0
0
4
BAT
BAT
BAT
20
20
6
= 0mA
R
= 0mA
R
R
= 3.7V
ISET
ISET
ISET
=7.9k
=3.95k
=15.8k
40
40
8
Ω
85°C
Ω
Ω
60
60
10
25°C
-40°C
80
80
12
Figure 19. Trickle Charge Current vs Temperature
1.10
1.05
1.00
0.95
0.90
250
200
150
100
450
400
350
300
250
200
V
50
BAT
0
-40
-40
-40
Figure 21. R
Figure 20. V
= 4.0V, I
-20
-20
V
V
-20
IN
IN
= 5.0V, V
= 5.0V, V
CHG
Analog Integrated Circuit Device Data
Temperature (°C)
Temperature (°C)
Temperature (°C)
DS(ON)
0
0
ISET
0
= 500mA, I
vs Temperature
BAT
BAT
vs Temperature
20
20
20
R
R
Freescale Semiconductor
R
= 2.0V
= 3.7V
ISET
ISET
ISET
=3.95k
=7.9k
BAT
=15.8k
40
40
40
= 400mA
Ω
Ω
Ω
60
60
60
80
80
80