参数资料
型号: MAX8765ETI+T
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: 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)
MAX1908/MAX8724/MAX8765/MAX8765A
Low-Cost Multichemistry Battery Chargers
ELECTRICAL CHARACTERISTICS
(V DCIN = V CSSP = V CSSN = 18V, V BATT = V CSIP = V CSIN = 12V, V REFIN = 3V, V VCTL = V ICTL = 0.75 x V REFIN , CELLS = open, CLS =
REF, V BST - V LX = 4.5V, ACIN = GND = PGND = 0, C LDO = 1μF, LDO = DLOV, C REF = 1μF; CCI, CCS, and CCV are compensated
per Figure 1a; T A = -40°C to +85°C , unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CHARGE-VOLTAGE REGULATION
Battery Regulation Voltage
Accuracy (2, 3, or 4 Cells)
REFIN Range
REFIN Undervoltage Lockout
V VCTL = V REFIN
V VCTL = V REFIN /20
V VCTL = V LDO
(Note 1)
V REFIN falling
-0.6
-0.6
-0.6
2.5
+0.6
+0.6
+0.6
3.6
1.92
%
V
V
CHARGE CURRENT REGULATION
CSIP-to-CSIN Full-Scale Current-
Sense Voltage
Charging-Current Accuracy
V ICTL = V REFIN
V ICTL = V REFIN
V ICTL = V REFIN x 0.6
V ICTL = V LDO
MAX8765/MAX8765A only; V ICTL = V REFIN x
0.036
MAX8724 only;
V ICTL = V REFIN x 0.058
70.5
-6
-7.5
-7.5
-50
-33
79.5
+6
+7.5
+7.5
+50
+33
mV
%
Charge-Current Gain Error
(MAX8765/MAX8765A Only)
Charge-Current Offset
(MAX8765/MAX8765A Only)
BATT/CSIP/CSIN Input Voltage
Range
CSIP/CSIN Input Current
V DCIN = 0V or V ICTL = 0V or V SHDN = 0V
Charging
-2
-2
0
+2
+2
19
1
650
%
mV
V
μA
Cycle-by-Cycle Maximum Current
Limit
ICTL Power-Down Mode
Threshold Voltage
(MAX1908/MAX8724 Only)
ICHG Transconductance
(MAX1908/MAX8724 Only)
ICHG Transconductance
(MAX8765/MAX8765A Only)
ICHG Transconductance Error
(MAX8765/MAX8765A Only)
ICHG Transconductance Offset
(MAX8765/MAX8765A Only)
I MAX
G ICHG
G ICHG
RS2 = 0.015 ?
V ICTL rising
V CSIP - V CSIN = 45mV
V CSIP - V CSIN = 45mV
6.0
REFIN/
100
2.7
2.785
-7.5
-6.5
7.5
REFIN/
33
3.3
3.225
+7.5
+6.5
A
V
μA/mV
μA/mV
%
μA
Maxim Integrated
7
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