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参数资料
| 型号： | MAX8903YETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/30页 |
| 文件大小： | 0K |
| 描述： | IC DC/DC CHARGER LI+ 2A 28-TQFN |
| 产品培训模块： | Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 带卷 (TR) |
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MAX8903A–E/G/H/J/N/Y
2A 1-Cell Li+ DC-DC Chargers
for USB and Adapter Power
ELECTRICAL CHARACTERISTICS (continued)
(V DC = V USB = 5V, V BAT = 4V, circuit of Figure 2, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.)
(Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
BATTERY CHARGER
MAX8903A/B/C/G/H
T A = +25°C
T A = -40°C to +85°C
4.179
4.158
4.200
4.200
4.221
4.242
BAT Regulation Voltage
(V BATREG )
I BAT = 0mA
MAX8903D/E
MAX8903J
T A = +25°C
T A = -40°C to +85°C
T A = +25°C
T A = -40°C to +85°C
4.079
4.059
4.328
4.307
4.100
4.100
4.350
4.350
4.121
4.141
4.372
4.394
V
MAX8903Y/N
T A = +25°C
T A = -40°C to +85°C
4.129
4.109
4.150
4.150
4.171
4.192
Charger Restart Threshold
Change in V BAT from DONE to fast-charge
-150
-100
-60
mV
BAT Prequal Threshold (V BATPQ )
V BAT rising 180mV
hystersis
MAX8903A/C/D/H/J/N/Y
MAX8903B/E/G
2.9
2.4
3.0
2.5
3.1
2.6
V
Prequal Charge Current
Percentage of fast-charge current set at ISET
10
%
R ISET = 600 ?
1800
2000
2200
Fast-Charge Current
R ISET = 1.2k ? (MAX8903A/C/D)
R ISET = 2.4k ?
900
450
1000
500
1100
550
mA
DONE Threshold (I TERM )
R ISET Resistor Range
ISET Output Voltage
ISET Current Monitor Gain
Percentage of fast-charge, I BAT decreasing
0.6
10
1.5
1.25
2.4
%
k ?
V
mA/A
BAT Leakage Current
Charger Soft-Start Time
Charger Thermal Limit
Temperature
Charger Thermal Limit Gain
No DC or USB input
With valid input power, V CEN = 5V
Charge current = 0 at +120°C
0.05
3
1.0
100
5
4
6
μA
ms
°C
%/°C
CHARGER TIMER
Prequalification Time
Fast-Charge Time
Top-Off Timer (t TOP-OFF )
Timer Accuracy
C CT = 0.15μF
C CT = 0.15μF
MAX8903A/C/D/H/J/N/Y (fixed)
MAX8903B/E/G, C CT = 0.15μF
-15
33
660
15
132
+15
min
min
s
min
%
Timer Extend Current Threshold
Timer Suspend Current Threshold
Percentage of fast-charge current below which the timer
clock operates at half-speed
Percentage of fast-charge current below which timer
clock pauses
40
16
50
20
60
24
%
%
4
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8904AETN+ | 功能描述:PMIC 解决方案 Point of Sales PMIC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8904AETN+T | 功能描述:PMIC 解决方案 Point of Sales PMIC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8904ETN+ | 功能描述:PMIC 解决方案 PMIC for 2-cell Li+ handheld RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8904ETN+T | 功能描述:PMIC 解决方案 PMIC for 2-cell Li+ handheld RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8904EVKIT+ | 制造商:Maxim Integrated Products 功能描述:EVALUATION KIT FOR MAX8904 - Boxed Product (Development Kits) |
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