参数资料
型号: MAX8731AETI+T
厂商: Maxim Integrated Products
文件页数: 6/32页
文件大小: 0K
描述: IC SMBUS LVL2 BATT CHRGR 28TQFN
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: 多化学
电源电压: 8 V ~ 26 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
SMBus Level 2 Battery Charger
with Remote Sense
ELECTRICAL CHARACTERISTICS
(V DCIN = V LX = V CSSP = V CSSN = 19V, V BST - V LX = 4.5V, V FBSA = V FBSB = V CSIP = V CSIN = 16.8V, BATSEL = GND = PGND = 0,
C LDO = 1μF, V CC = LDO, C REF = 1μF, C DAC = 0.1μF , V DD = 3.3V, ACIN = 2.5V; pins CCI, CCV, and CCS are compensated per
Figure 1; T A = -40°C to +85°C , unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CHARGE-VOLTAGE REGULATION
ChargingVoltage() = 0x41A0
16.632
-1
16.968
+1
V
%
Battery Full-Charge Voltage and
Accuracy
ChargingVoltage() = 0x3130
ChargingVoltage() = 0x20D0
ChargingVoltage() = 0x1060
12.466
-1
8.316
-1
4.129
-1.5
12.717
+1
8.484
+1
4.255
+1.5
V
%
V
%
V
%
CHARGE-CURRENT REGULATION
CSIP-to-CSIN Full-Scale Current-
Sense Voltage
RS2, Figure 1 = 10m Ω ;
ChargingCurrent()= 0x1f80
78.22
7.822
-3
83.05
8.305
+3
mV
A
%
Charge Current and Accuracy
Charge-Current Gain Error
FBSA/FBSB/CSIP/CSIN Input-
Voltage Range
RS2, Figure 1 = 10m Ω ;
ChargingCurrent() = 0x0f80
RS2, Figure 1 =10m Ω ;
ChargingCurrent() = 0x0080
Based on ChargeCurrent() = 128mA and 8.064A
3.809
-4
30
-2
0
4.126
+4
400
+2
19
A
%
mA
%
V
Adapter present, not charging, I CSIP + I CSIN + I LX + I FBS ,
V FBS_ = V LX = V CSIN = V CSIP = 19V
5
Battery Quiescent Current
Adapter absent, I CSIP + I CSIN + I LX + I FBSA + I FBSB +
I CSSP + I CSSN , V FBS_ = V LX = V CSIN = V CSIP = 19V,
V DCIN = 0V
1
μA
V Adapter = 26V, V Battery = 16.8V, not charging
500
μA
I DCIN +
V Adapter = 19V,
Charging
1
mA
Adapter Quiescent Current
I CSSP +
I CSSN
V Battery = 16.8V
V Adapter = 8V,
V Battery = 4V
Not charging
Charging
Not charging
500
1
500
μA
mA
μA
6
_______________________________________________________________________________________
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MAX8731ETI+ 制造商:Maxim Integrated Products 功能描述:CHGR MULTI-CHEM 8A 0V TO 19.2V 28TQFN - Rail/Tube
MAX8731ETI+T 制造商:Maxim Integrated Products 功能描述:CHGR MULTI-CHEM 8A 0V TO 19.2V 28TQFN - Tape and Reel
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