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参数资料
| 型号： | MAX8845ZETC+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/19页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHRGR LI+ 28V 12TQFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | 12-WFQFN 裸露焊盘 |
| 供应商设备封装： | 12-TQFN 裸露焊盘（3x3） |
| 包装： | 带卷 (TR) |
28V Linear Li+ Battery Chargers with Battery
Detection and Overvoltage Protected Output
Typical Operating Characteristics
(V IN = 5V, V BATT = 4V, R POK = R CHG = 200k ? to 5V, EN = unconnected, R SETI = 2.8k ? to GND, R MIN = 1.74k ? to GND, R DETBAT =
4.7k ? to GND, C BATT = 2.2μF, T A = +25°C, unless otherwise noted.)
SUPPLY CURRENT
vs. INPUT VOLTAGE
DISABLED MODE SUPPLY CURRENT
vs. INPUT VOLTAGE
CHARGE CURRENT
vs. BATTERY VOLTAGE
1.0
0.9
0.8
0.7
V EN = 0,
I BATT = 0
V IN RISING
0.6
0.5
0.4
V EN = 5V
1000
900
800
700
0.6
600
0.5
0.4
0.3
0.2
0.1
0
0.3
0.2
0.1
0
500
400
300
200
100
0
0
4
8
12
16
20
24
28
0
5
10
15
20
25
30
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
CHARGE CURRENT
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
CHARGE CURRENT
vs. INPUT VOLTAGE HEADROOM
BATTERY VOLTAGE (V)
SAFEOUT OUTPUT VOLTAGE
vs. INPUT VOLTAGE
600
500
400
1000
900
800
700
V BATT = 4V,
V IN RISING
5.0
4.5
4.0
3.5
I SAFEOUT = 1mA
600
3.0
300
200
100
0
500
400
300
200
100
0
2.5
2.0
1.5
1.0
0.5
0
0
4
8
12
16
20
24
28
0
100
200
300
400
500
600
0
4
8
12
16
20
24
28
5.0
INPUT VOLTAGE (V)
SAFEOUT OUTPUT VOLTAGE
vs. LOAD CURRENT
V IN - V BATT (mV)
STARTUP INTO PRECHARGE
MAX8845Z/Y/X/W toc08
INPUT VOLTAGE (V)
SHUTDOWN
(FAST-CHARGE TO SHUTDOWN)
MAX8845Z/Y/X/W toc09
100mA/div BATT
4.5
4.0
3.5
I BATT
0
I
500mA/div
0
3.0
2.5
2.0
1.5
V IN
V EN
5V/div
0
5V/div
0
5V/div
V IN
V EN
5V/div
0
5V/div
0
5V/div
1.0
0.5
V POK
0
V POK
0
0
0
20
40
60
80
100
40 μ s/div
40 μ s/div
LOAD CURRENT (mA)
4
_______________________________________________________________________________________
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相关代理商/技术参数 |
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|---|---|
| MAX8845ZEVKIT+ | 功能描述:电源管理IC开发工具 MAX8845Y/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 |
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| MAX8848YETE+ | 制造商:Maxim Integrated Products 功能描述:NEGATIVE CHARGE PUMP FOR 7 WLEDS - Rail/Tube |
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