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参数资料
| 型号： | MAX1772EEI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | IC BAT CHRG BUILD BLCK 28QSOP |
| 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-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 28-QSOP |
| 包装： | 带卷 (TR) |
Low-Cost, Multichemistry Battery-
Charger Building Block
ELECTRICAL CHARACTERISTICS
(V DCIN = V CSSP = V CSSN = 18V, V BATT = V CSIP = V CSIN = 12V, V REFIN = 3.0V, V VCTL = V ICTL = 0.75 V REFIN , V CELLS = 2.0V,
V ACIN = 0V, CLS = REF, V BST - V LX = 4.5V, V GND = V PGND = 0V, C LDO = 1μF, LDO = DLOV, C REF = 1μF; pins CCI, CCS, and CCV
are compensated per Figure 1a; T A = -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY AND LDO REGULATOR
DCIN Input Voltage Range
DCIN Undervoltage Lockout
Trip Point
V DCIN
V DCIN falling
V DCIN rising
8.0
7
28.0
7.85
V
V
DCIN Quiescent Current
I DCIN
8.0V < V DCIN < 28V
6
mA
LDO Output Voltage
8.0V < V DCIN < 28V, no load
5.25
5.65
V
TRIP POINTS
BATT POWER_FAIL Threshold
BATT POWER_FAIL Threshold
Hysteresis
ACIN Threshold
ACIN Threshold Hysteresis
ACIN Input Bias Current
CLS Input Range
CLS Input Bias Current
V CSSP falling
V ACIN rising
0.5% of REF
V ACIN = 2.048V
V CLS = 2.0V
50
100
2.007
10
-1
1.6
-1
150
300
2.089
30
+1
REF
+1
mV
mV
V
mV
μA
V
μA
SWITCHING REGULATOR
Minimum Off-Time
Maximum On-Time
V BATT = 16.8V
1
5
1.5
15
μs
ms
Oscillator Frequency
DHI Maximum Duty Cycle
BATT Input Current
f OSC
I BATT
(Note 1)
V BATT = 19V, V DCIN = 0V
V BATT = 2V to 19V, V DCIN > V BATT + 0.3V
99
400
5
500
kHz
%
μA
CSIP/CSIN Input Current
CSSP/CSSN Input Current
BATT/CSIP/CSIN Input Voltage
Range
V DCIN = 0V
V CSIP = V CSIN = 12V
V DCIN = 0V
V CSSP = V CSSN = V DCIN > 8.0V
0
5
800
0.3
800
19
μA
μA
V
CSIP to CSIN Full-Scale
Current-Sense Voltage
CSSP to CSSN Full-Scale
Current-Sense Voltage
V BATT = 12V
189
189
219
219
mV
mV
CURRENT AND VOLTAGE SETTING
Charging Current Accuracy
ICTL, VCTL, REFIN Input Bias
Current
ICTL = REFIN (see Equation 2)
ICTL = REFIN/32 (see Equation 2)
V VCTL = V ICTL = V REFIN = 3V
V DCIN = 0V, V VCTL = V ICTL = V REFIN = 5V
-8
-55
-1
-1
+8
+55
+1
+1
%
μA
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