参数资料
型号: MAX1873REEE+
厂商: Maxim Integrated Products
文件页数: 3/14页
文件大小: 0K
描述: IC CNTRLR CHARGE LI+ 16-QSOP
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,锂聚合物,镍镉,镍氢
电源电压: 6 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 管件
Simple Current-Limited Switch-Mode
Li+ Charger Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V DCIN = V CSSP = V CSSN = 18V, V ICHG/EN = V REF , V VADJ = V REF /2. MAX1873R: V BATT = V CSB = 8.4V;
MAX1873S: V BATT = V CSB = 12.6V; MAX1873T: V BATT = V CSB = 16.8V; T A = 0°C to +85°C . Typical values are at T A = +25°C, unless
otherwise noted.)
PARAMETER
BATT Overvoltage Cutoff Threshold
CONDITIONS
2-cell version MAX1873R
3-cell version MAX1873S
4-cell version MAX1873T (Note 1)
V VADJ = 0
MAX1873R
V VADJ = V REF /2
(2 Li+ cells)
V VADJ = V REF (Note 1)
MIN
10.45
15.675
17.575
7.898
8.337
8.775
TYP
11
16.5
18.5
7.958
8.4
8.842
MAX
11.55
17.325
19.425
8.018
8.463
8.909
UNITS
V
Battery Regulation Voltage
MAX1873S
(3 Li+ cells)
V VADJ = 0
V VADJ = V REF /2
11.847
12.505
11.937
12.6
12.027
12.695
V
V VADJ = V REF (Note 1)
13.163
13.263
13.363
MAX1873T
(4 Li+ cells)
V VADJ = 0
V VADJ = V REF /2
V VADJ = V REF (Note 1)
MAX1873R
15.796
16.674
17.551
4.8
15.916
16.8
17.684
5.0
16.036
16.926
17.817
5.2
BATT Undervoltage Threshold
For I CHG /20 trickle
charge
MAX1873S
7.2
7.5
7.8
V
MAX1873T
9.6
10
10.4
CURRENT SENSE
CSB to BATT Battery Current-Sense
Voltage
CSB to BATT Current-Sense Voltage
when V BATT < 2.5V per Cell
CSSP to CSSN Current-Sense Voltage
V ICHG/EN = V REF
V ICHG/EN = V REF /4
6V < V CSSP < 28V
190
40
5
90
200
50
10
100
210
60
15
110
mV
mV
mV
CONTROL INPUTS/OUTPUTS
ICHG/EN Input Threshold
ICHG/EN Input Voltage Range For
Charge Current Adjustment
VADJ Input Current
ICHG/EN Input Current
VADJ Input Voltage Range
Includes 50mV of hysteresis
V VADJ = V REF /2
V ICHG/EN = V REF
500
700
-100
-100
0
600
700
V REF
100
100
V REF
mV
mV
nA
nA
V
Full scale
V CSB - V BATT = 200mV,
0 < I OUT < 500μA
3.6
4.0
4.4
V
IOUT Voltage
25% scale
Trickle charge
V CSB - V BATT = 50mV,
0 < I OUT < 500μA
V CSB - V BATT = 10mV
0.9
75
1.0
200
1.1
325
No charge
current
V CSB - V BATT = 0,
I IOUT = sinking 20μA
40
70
90
mV
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3
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MAX1873REEE+ 功能描述:电池管理 Switch-Mode Li+ 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
MAX1873REEE+T 功能描述:电池管理 Switch-Mode Li+ 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
MAX1873REEE-T 功能描述:电池管理 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
MAX1873SEEE 功能描述:电池管理 Switch-Mode Li+ 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
MAX1873SEEE+ 功能描述:电池管理 Switch-Mode Li+ 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