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| 型號： | MAX1874 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | MAX1874 Evaluation Kit |
| 中文描述： | USB/AC適配器雙路輸入、1節(jié)Li+電池充電器，帶OVP與溫度調(diào)節(jié) |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 405K |
| 代理商： | MAX1874 |
BATTERY TERMINATION VOLTAGE
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
V
B
65
50
20
35
-10
5
-25
4.16
4.17
4.18
4.19
4.20
4.21
4.22
4.23
4.24
4.25
4.15
-40
80
M
Dual-Input, USB/AC Adapter, 1-Cell
Li+ Charger with OVP and Thermal Regulation
6
_______________________________________________________________________________________
Typical Operating Characteristics
(V
USB
= V
DC
= V
DCLV
= V
EN
= 5V, V
BATT
= 4.2V, V
THRM
= V
REF
/ 2, V
DCI
= V
REF
, V
USEL
= 5V, Circuit of Figure 4, T
A
= +25
°
C,
unless otherwise noted.)
DC INPUT CURRENT
vs. DC INPUT VOLTAGE
M
V
DC
(V)
I
D
18
16
14
12
10
8
6
4
2
2
4
6
8
10
12
14
0
0
20
V
USB
= 0
VBATT = 4.2V
VEN = 5V
INCLUDES R2 CURRENT
USB INPUT CURRENT
vs. USB INPUT VOLTAGE
M
V
USB
(V)
I
U
6
5
3
4
2
1
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
0
7
V
= 5V, V
FLOATING
INCLUDES R3 AND R4 CURRENTS
USB INPUT CURRENT
vs. USB INPUT VOLTAGE (V
EN
= 0)
M
V
USB
(V)
U
6
5
3
4
2
1
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
0
7
V
EN
= 0
INCLUDES R3 AND R4 CURRENTS
CHARGE CURRENT
vs. DC INPUT-VOLTAGE HEADROOM
M
(V
DC
-
V
BATT
) (V)
I
B
1.8
1.6
0.2 0.4 0.6
1.0 1.2
0.8
1.4
100
200
300
400
500
600
700
800
0
0
2.0
DCI SET FOR I
BATT
= 750mA
CHARGE CURRENT
vs. USB VOLTAGE HEADROOM
M
(V
USB
- V
BATT
) (V)
I
B
1.8
1.6
0.2 0.4 0.6
1.0 1.2
0.8
1.4
100
200
300
400
500
600
0
0
2.0
CHARGE CURRENT vs. BATTERY VOLTAGE
(I
BATT
vs. V
BATT
)
M
V
BATT
(V)
I
B
4.5
4.0
3.0 3.5
1.0 1.5 2.0 2.5
0.5
100
200
300
400
500
600
700
800
900
1000
0
0
5.0
V
EN
= 5
V
USB
= 0
I
BATT
= SET TO 750mA
V
DC
= V
DCLV
= 5V
CHARGE CURRENT vs. TEMPERATURE
WITH THERMAL REGULATION
M
TEMPERATURE (
°
C)
I
B
(
0.2
0.4
0.6
0.8
1.0
1.2
0
-40 -25 -10 5
20 35 50 65 80 95 110 125
V
DCI
= V
REF
V
DC
= 5V
V
BATT
= 3.9V
CHARGE CURRENT vs. V
DCI
M
V
DCI
(V)
I
B
1.2
0
1.0
0.8
0.6
0.4
0.2
0
0.5
1.0
1.5
2.0
2.5
3.0
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1874ETE | Dual-Input, USB/AC Adapter, 1-Cell Li+ Charger with OVP and Thermal Regulation |
| MAX1874EVKIT | MAX1874 Evaluation Kit |
| MAX1875 | Dual 180∑ Out-of-Phase PWM Step- Down Controllers with POR |
| MAX1875-MAX1876 | Dual 180∑ Out-of-Phase PWM Step- Down Controllers with POR |
| MAX1875AEEG | Dual 180∑ Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1874ETE | 功能描述:電池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX1874ETE+ | 功能描述:電池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX1874ETE+T | 功能描述:電池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX1874ETE-T | 功能描述:電池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| MAX1874EVKIT | 功能描述:電池管理 Evaluation Kit for the MAX1874 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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