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参数资料
| 型号： | MAX8845ZEVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/19页 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX8845Z |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | 电源管理，电池充电器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | MAX8845 |
| 主要属性： | 1 芯锂离子电池，4.25 V 至 7.5 V 输入 |
| 次要属性： | 状态 LED |
| 已供物品： | 板 |
28V Linear Li+ Battery Chargers with Battery
Detection and Overvoltage Protected Output
Typical Operating Characteristics (continued)
(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.)
1.0
BATTERY REGULATION ACCURACY
vs. AMBIENT TEMPERATURE
1000
FAST-CHARGE CURRENT
vs. R SETI
600
TOP-OFF CURRENT THRESHOLD
vs. 1/R MIN (k ? )
0.8
0.6
I BATT = 0
550
500
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
100
10
1
450
400
350
300
250
200
150
100
50
TOP-OFF CURRENT RISING
TOP-OFF CURRENT FALLING
-40
-15 10 35 60
AMBIENT TEMPERATURE ( ° C)
85
1
10
100
R SETI (k ? )
1000
10,000
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9
1/R MIN (k ? )
2.0
700
CHARGE CURRENT
vs. AMBIENT TEMPERATURE
AUTOBOOT ENABLED BY ABI SIGNAL
(MAX8845Z)
MAX8845Z/Y/X/W toc14
600
500
V BATT = 4V
V ABI
5V/div
0
5V/div
400
V BATT = 3.2V
V IN
0
300
5V/div
200
V BATT
0
100
0
R SETI = 2.8k ?
V ABO
5V/div
0
-40
-20
0
20
40
60
80
100
4 μ s/div
AMBIENT TEMPERATURE ( ° C)
AUTOBOOT ENABLED BY INPUT VOLTAGE
(MAX8845Z)
MAX8845Z/Y/X/W toc15
5V/div
AUTOBOOT ENABLED BY ABI SIGNAL
(MAX8845Y/MAX8845X/MAX8845W)
MAX8845Z/Y/X/W toc16
5V/div
V ABI
V IN
V BATT
V ABO
0
5V/div
0
5V/div
0
5V/div
0
V ABI
V IN
V BATT
0
5V/div
0
5V/div
0
5V/div
20 μ s/div
V ABO
4 μ s/div
0
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MAX8847ZETE+ | 制造商:Maxim Integrated Products 功能描述:NEGATIVE CHARGE PUMP FOR 6 WLEDS - Rail/Tube |
| MAX8848YETE+ | 制造商:Maxim Integrated Products 功能描述:NEGATIVE CHARGE PUMP FOR 7 WLEDS - Rail/Tube |
| MAX8848YETE+T | 制造商:Maxim Integrated Products 功能描述:NEGATIVE CHARGE PUMP FOR 7 WLEDS - Tape and Reel |
| MAX8848ZETE+ | 制造商:Maxim Integrated Products 功能描述:NEGATIVE CHARGE PUMP FOR 7 WLEDS - Rail/Tube |
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