参数资料
型号: MAX1873REEE+T
厂商: Maxim Integrated Products
文件页数: 5/14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: 2,500
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: 带卷 (TR)
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 = -40°C to +85°C . Typical values are at T A = +25°C,
unless otherwise noted.)
PARAMETER
CONDITIONS
MAX1873R
MIN
4.8
MAX
5.2
UNITS
BATT Undervoltage Threshold
For I CHG /20 trickle
charge
MAX1873S
7.2
7.8
V
CURRENT SENSE
MAX1873T
9.6
10.4
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
210
60
15
110
mV
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
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
4.4
V
IOUT Voltage
25% scale
Trickle charge
V CSB - V BATT = 50mV,
0 < I OUT < 500μA
V CSB - V BATT = 10mV
0.9
75
1.1
325
No charge
current
V CSB - V BATT = 0,
I IOUT = sinking 20μA
40
90
mV
Note 1: While it may appear possible to set the Battery Regulation Voltage higher than the Battery Overvoltage Cutoff Threshold, this
cannot happen because both parameters are derived from the same reference and track each other.
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
_______________________________________________________________________________________
5
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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
MAX1873SEEE+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
MAX1873SEEE-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
MAX1873TEEE 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