参数资料
型号: MAX8725ETI+
厂商: Maxim Integrated Products
文件页数: 7/30页
文件大小: 0K
描述: IC CHARGER BATTERY 28-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
功能: 充电管理
电池化学: 多化学
电源电压: 8 V ~ 28 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: 托盘
Multichemistry Battery Chargers with Automatic
System Power Selector
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V DCIN = V CSSP = V CSSN = 18V, V BATT = V CSIP = V CSIN = 12V, V VCTL = V ICTL = 1.8V, MODE = float, ACIN = 0, CLS =
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, T A = -40°C to +85°C , unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX1909: V ICTL = 3.6V x 0.5, MAX8725:
Charge-Current Accuracy
VICTL Default Threshold
V ICTL = 3.2V x 0.5 (including ICTL resistor
tolerances of 1%)
V ICTL = V LDO (default threshold of 45mV)
V ICTL rising
-7.0
-5
4.3
+7.0
+5
%
V
BATT/CSIP/CSIN Input Voltage
Range
CSIP/CSIN Input Current
ICTL Power-Down Mode
Threshold Voltage
Charging enabled
MAX1909
MAX8725
0
19
650
0.75
0.06
V
μA
V
ICTL Power-Up Mode Threshold
Voltage
MAX1909
MAX8725
0.85
0.11
V
INPUT CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
V CLS = REF
72.75
-3
77.25
+3
mV
Input Current-Limit Accuracy
V CLS = REF x 0.75
V CLS = REF x 0.5
-3
-4
+3
+4
%
CSSP/CSSN Input Voltage Range
CSSP/CSSN Input Current
CLS Input Range
V CSSP = V CSSN = V DCIN > 8.0V
8.0
1.6
28
730
REF
V
μA
V
IINP Transconductance
IINP Accuracy
IINP Output Current
IINP Output Voltage
V CSSP - V CSSN = 56mV
V CSSP - V CSSN = 75mV, terminated with
10k Ω
V CSSP - V CSSN = 56mV, terminated with
10k Ω
V CSSP - V CSSN = 20mV, terminated with
10k Ω
V CSSP - V CSSN = 150mV, V IINP = 0V
V CSSP - V CSSN = 150mV, V IINP = float
2.7
-7.5
-5
-10
350
3.5
3.3
+7.5
+5
+10
mA/V
%
μA
V
SUPPLY AND LINEAR REGULATOR
DCIN Input Voltage Range
DCIN Undervoltage-Lockout Trip
Point
V DCIN
DCIN falling
DCIN rising
8.0
7
28
7.85
V
V
DCIN Quiescent Current
BATT Input Current
I DCIN
I BATT
8.0V < V DCIN < 28V
V BATT = 2V to 19V, V DCIN > V BATT + 0.3V
6
500
mA
μA
LDO Output Voltage
LDO Load Regulation
8.0V < V DCIN < 28V, no load
0 < I LDO < 10mA
5.25
5.55
115
V
mV
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7
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