参数资料
型号: MAX1874ETE+
厂商: Maxim Integrated Products
文件页数: 6/17页
文件大小: 0K
描述: IC LI+ CHARGER DUAL-IN 16-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 4.35 V ~ 6.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WQFN 裸露焊盘
供应商设备封装: 16-TQFN-EP(5x5)
包装: 托盘
产品目录页面: 1410 (CN2011-ZH PDF)
Dual-Input, USB/AC Adapter, 1-Cell
Li+ Charger with OVP and Thermal Regulation
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
USB INPUT CURRENT
vs. USB INPUT VOLTAGE
USB INPUT CURRENT
vs. USB INPUT VOLTAGE (V EN = 0)
14
12
10
V USB = 0
VBATT = 4.2V
VEN = 5V
INCLUDES R2 CURRENT
5.0
4.5
4.0
3.5
V EN = 5V, V DC FLOATING
INCLUDES R3 AND R4 CURRENTS
1.4
1.2
1.0
V EN = 0
INCLUDES R3 AND R4 CURRENTS
3.0
8
6
4
2
2.5
2.0
1.5
1.0
0.5
0.8
0.6
0.4
0.2
0
0
2
4
6
8
10 12 14 16 18 20
0
0
1
2
3
4
5
6
7
0
0
1
2
3
4
5
6
7
V DC (V)
CHARGE CURRENT
vs. DC INPUT-VOLTAGE HEADROOM
V USB (V)
CHARGE CURRENT
vs. USB VOLTAGE HEADROOM
V USB (V)
CHARGE CURRENT vs. BATTERY VOLTAGE
(I BATT vs. V BATT )
800
700
600
500
400
300
200
100
0
DCI SET FOR I BATT = 750mA
600
500
400
300
200
100
0
1000
900
800
700
600
500
400
300
200
100
0
V EN = 5
V USB = 0
I BATT = SET TO 750mA
V DC = V DCLV = 5V
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
(V DC - V BATT ) (V)
CHARGE CURRENT vs. TEMPERATURE
WITH THERMAL REGULATION
(V USB - V BATT ) (V)
CHARGE CURRENT vs. V DCI
V BATT (V)
BATTERY TERMINATION VOLTAGE
vs. TEMPERATURE
1.2
1.0
0.8
V DCI = V REF
V DC = 5V
V BATT = 3.9V
1.2
1.0
0.8
4.25
4.24
4.23
4.22
4.21
0.6
0.4
0.2
0
0.6
0.4
0.2
0
4.20
4.19
4.18
4.17
4.16
4.15
-40 -25 -10 5
20 35 50 65 80 95 110 125
0
0.5
1.0
1.5
2.0
2.5
3.0
-40 -25 -10
5
20
35
50
65
80
TEMPERATURE ( ° C)
V DCI (V)
TEMPERATURE ( ° C)
6
_______________________________________________________________________________________
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MAX1874ETE+ 功能描述:电池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MAX1874ETE+T 功能描述:电池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MAX1874ETE-T 功能描述:电池管理 Dual-Input USB/AC Adapter 1-Cell Li+ RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MAX1874EVKIT 功能描述:电池管理 Evaluation Kit for the MAX1874 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel
MAX1875AEEG 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK