参数资料
型号: MAX8903DETI+
厂商: Maxim Integrated Products
文件页数: 8/30页
文件大小: 0K
描述: IC DC/DC CHARGER LI+ 2A 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
系列: Smart Power Selector™
功能: 充电管理
电池化学: 锂离子(Li-Ion)、锂聚合物(Li-Pol)
电源电压: 4.1 V ~ 16 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(4x4)
包装: 管件
MAX8903A–E/G/H/J/N/Y
2A 1-Cell Li+ DC-DC Chargers
for USB and Adapter Power
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
NORMALIZED CHARGE CURRENT
vs. AMBIENT TEMPERATURE
NORMALIZED BATTERY
REGULATION VOLTAGE
vs. AMBIENT TEMPERATURE
MAX8903A/C/D/H/N/Y
SYS VOLTAGE vs. USB VOLTAGE
1.015
1.010
1.005
V USB = 5V, V BAT = 4V
100.5
100.4
100.3
100.2
5.0
4.5
4.0
3.5
V CEN = 5V
V BAT = 0V
V DC = 0V
V USB FALLING
100.1
3.0
1.000
100.0
99.9
2.5
2.0
0.995
0.990
99.8
99.7
1.5
1.0
V USB RISING
0.985
99.6
99.5
22ppm/°C
0.5
0
R SYS = 1M?
-40
-15
10
35
60
85
-40
-15
10
35
60
85
0
1
2
3
4
5
6
7
TEMPERATURE ( ° C)
MAX8903A/C/D/H/N/Y
SYS VOLTAGE vs. DC VOLTAGE
TEMPERATURE ( ° C)
SYS VOLTAGE
vs. SYS OUTPUT CURRENT, DC INPUT
USB VOLTAGE (V)
SYS VOLTAGE
vs. SYS OUTPUT CURRENT, USB INPUT
5.0
4.5
4.0
3.5
4.6
4.5
4.4
V USB = 0V
MAX8903J, V DC = 5.75V
4.6
4.5
4.4
V DC = 0V, V BATT = 4V
MAX8903J, V USB = 5V
3.0
2.5
V DC RISING
4.3
4.2
MAX8903A/C/D/H, MAX8903N/Y,
V DC = 5.75V V DC = 5.75V
4.3
4.2
MAX8903A /C/D/H, MAX8903N/Y,
V USB = 5V V USB = 5V
2.0
1.5
1.0
V DC FALLING
V CEN = 5V
4.1
4.0
MAX8903B/E/G,
V DC = 5.75V
4.1
4.0
MAX8903B/E/G,
V USB = 5V
0.5
0
0
2
4
6
8
10
12
V BAT = 0V
V USB = 0V
14 16
18
3.9
3.8
0
MAX8903_, V DC = 0V
0.5 1.0
1.5
2.0
3.9
3.8
0
MAX8903_, V USB = 0V
100 200 300
400
500
DC VOLTAGE (V)
VL VOLTAGE vs. DC VOLTAGE
SYS OUTPUT CURRENT (A)
SYS OUTPUT CURRENT (mA)
CHARGE PROFILE—1400mAh BATTERY
ADAPTER INPUT—1A CHARGE
6
5
6.0
5.5
5.0
I DC SET TO 1A
I BAT SET TO 2A
V BAT
MAX8903A toc17
1.2
1.0
4.5
4
VL WITH
NO LOAD AND
VL AND DCDC
WITH
4.0
3.5
0.8
3
2
DCDC OFF
(V USUS = 5V)
FULL LOAD
(V USUS = 0V)
3.0
2.5
2.0
I BAT
0.6
0.4
1.5
1
V BAT = 3.6V
1.0
0.2
0
V USB = 0V
0.5
0
MAX8903A/B/C/G/H
0.0
0
2
4
6
8
10 12 14 16 18 20
0
20
40
60
80
100
120 140
8
DC VOLTAGE (V)
TIME (min)
Maxim Integrated
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相关代理商/技术参数
参数描述
MAX8903DETI+ 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger 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
MAX8903DETI+T 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger 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
MAX8903EETI+ 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger 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
MAX8903EETI+T 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger 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
MAX8903FETI+ 功能描述:电池管理 Dual AC/USB Powered 1-Cell Li+ Charger 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