参数资料
型号: MAX1909ETI+T
厂商: Maxim Integrated Products
文件页数: 3/30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: 2,500
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: 带卷 (TR)
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 = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
MAX1909: V ICTL = 3.6V x 0.5, MAX8725:
Charge-Current Accuracy
V ICTL = 3.2V x 0.5 (including ICTL resistor
tolerances of 1%)
V ICTL = VLDO (default threshold of 45mV)
-7.0
-5
+7.0
+5
%
V ICTL Default Threshold
BATT/CSIP/CSIN Input Voltage
Range
CSIP/CSIN Input Current
V ICTL rising
Charging enabled
Charging disabled; V DCIN = 0 or V ICTL = 0
4.1
0
4.2
350
0.1
4.3
19
650
1
V
V
μA
ICTL Power-Down Mode
Threshold Voltage
ICTL Power-Up Mode Threshold
Voltage
MAX1909
MAX8725
MAX1909
MAX8725
0.85
0.11
0.75
0.06
V
V
ICTL Input Bias Current
V ICTL = 3V
V DCIN = 0V, V ICTL = 5V
-1
-1
+1
+1
μA
INPUT CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
72.75
75.00
77.25
mV
Input Current-Limit
Accuracy
CSSP/CSSN Input Voltage Range
CSSP/CSSN Input Current
CLS Input Range
CLS Input Bias Current
V CLS = REF
V CLS = REF x 0.75
V CLS = REF x 0.5
V CSSP = V CSSN = V DCIN > 8.0V
V DCIN = 0
V CLS = 2.0V
-3
-3
-4
8.0
1.6
-1
450
0.1
+3
+3
+4
28
730
1
REF
+1
%
V
μA
V
μA
IINP Transconductance
V CSSP - V CSSN = 56mV
2.7
3.0
3.3
mA/V
V CSSP - V CSSN = 75mV, terminated with
10k Ω
-7.5
+7.5
IINP Accuracy
IINP Output Current
IINP Output Voltage
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
-5
-10
350
3.5
+5
+10
%
μA
V
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