参数资料
型号: MAX8845ZETC+
厂商: Maxim Integrated Products
文件页数: 5/19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: 100
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: 管件
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
_______________________________________________________________________________________
5
相关PDF资料
PDF描述
M3BYK-2020K IDC CABLE - MSR20K/MC20F/MPD20K
MAX8845WETC+ IC BATT CHARGER CCCV 28V 12TQFN
M3DRK-2020K IDC CABLE - MKR20K/MC20F/MPR20K
NRS5020T4R7MMGJ INDUCTOR 4.7UH 2.0A 20% SMD
MAX17049X+ IC FUEL/GAS GAUGE LI-ION 8WLP
相关代理商/技术参数
参数描述
MAX8845ZETC+ 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
MAX8845ZETC+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
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