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参数资料
| 型号： | MAX8844ZETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/17页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHARGER LI+ DUAL 14TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 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： | 0 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 标准包装 |
| 其它名称： | MAX8844ZETD+TDKR |
28V Dual Input Linear Li+ Battery Chargers with
Battery Detection and Overvoltage-Protected Output
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 5V or V USB = 5V, V BATT = 4V, R POK = 1M Ω to BATT, EN = unconnected, R SETI = 2.8k Ω to GND, V DETBAT = 0V, C BATT =
2.2μF, T A = -40°C to +85°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
ABI Logic Input Low Threshold
ABI Logic Input High Threshold
ABO Output Low Threshold
ABO Output High Threshold
ABO Output Low Threshold
ABO Output High Threshold
V BATT = 4V, V IN = 0V
V BATT = 4V, V IN = 0V
I ABO(SINK) = 1mA
I ABO(SOURCE) = 1mA
Open drain, I ABO (SINK) = 1mA
Open drain, 100k Ω pullup on BATT
1.3
V BATT -
0.4V
V BATT -
0.4V
0.4
0.4
0.4
V
V
V
V
THERMAL
Die Temperature Regulation
Threshold
115
°C
Note 1: Specifications are 100% production tested at T A = +25°C. Limits over the operating temperature range are guaranteed by
design and characterization.
Note 2: The IN input supply and USB input supply are interchangeable (V IN = V USB ). See the DC and USB Power Supplies section
for further details.
Note 3: See the Top-Off Current Threshold Setting section for further details.
Typical Operating Characteristics
(V IN = 5V or V USB = 5V, V BATT = 4V, R POK = R CHG = 200k Ω to 5V, EN = unconnected, R SETI = 2.8k Ω to GND, R MIN = 1.74k Ω to
GND, R DETBAT = 4.7k Ω to GND, C BATT = 2.2μF, T A = +25°C, unless otherwise noted.
1.0
SUPPLY CURRENT
vs. INPUT VOLTAGE
0.6
DISABLED MODE SUPPLY CURRENT
vs. INPUT VOLTAGE
800
CHARGE CURRENT
vs. BATTERY VOLTAGE
0.9
0.8
0.7
0.6
V EN = 0V,
I BATT = 0A,
V IN RISING
0.5
0.4
V EN = 5V
700
600
500
V IN = 5V,
V USB = 0V
0.5
0.3
400
0.4
0.3
0.2
0.1
0
0.2
0.1
0
300
200
100
0
V IN = 0V,
V USB = 5V
0
4
8
12
16
20
24
28
0
4
8
12
16
20
24
28
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
BATTERY VOLTAGE (V)
4
_______________________________________________________________________________________
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相关代理商/技术参数 |
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|---|---|
| MAX8844ZEVKIT+ | 功能描述:电源管理IC开发工具 MAX8844Y/Z Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX8845WETC+ | 功能描述:电池管理 28V Linear Li+ Battery 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 |
| MAX8845WETC+T | 功能描述:电池管理 28V Linear Li+ Battery 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 |
| MAX8845XETC+ | 功能描述:电池管理 28V Linear Li+ Battery 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 |
| MAX8845XETC+T | 功能描述:电池管理 28V Linear Li+ Battery 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 |
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