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参数资料
| 型号： | MAX1645BEEI |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28 |
| 封装： | QSOP-28 |
| 文件页数： | 4/32页 |
| 文件大小： | 357K |
| 代理商： | MAX1645BEEI |
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M
Advanced Chemistry-Independent, Level 2
Battery Charger with Input Current Limiting
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
DD
= +3.3V, V
BATT
= +16.8V, V
DCIN
= +18V,
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
DC-TO-DC CONVERTER SPECIFICATIONS
Minimum Off-Time
Maximum On-Time
Maximum Duty Cycle
LX Input Bias Current
LX Input Quiescent Current
BST Supply Current
DLOV Supply Current
DHI Output Resistance
DLO Output Resistance
THERMISTOR COMPARATOR SPECIFICATIONS
t
OFF
t
ON
1.0
5
99
1.25
10
99.99
200
1.5
15
μs
ms
%
μA
μA
μA
μA
V
DCIN
= 28V, V
BATT
= V
LX
= 20V
V
DCIN
= 0, V
BATT
= V
LX
= 20V
DHI high
V
DLOV
= V
LDO
, DLO low
DHI high or low, V
BST
- V
LX
= 4.5V
DLO high or low, V
DLOV
= 4.5V
500
1
15
10
14
14
6
5
6
6
THM Input Bias Current
V
THM
= 4% of V
DD
to 96% of V
DD
, V
DD
=
2.8V to 5.65V
-1
+1
μA
Thermistor Overrange Threshold
Thermistor Cold Threshold
Thermistor Hot Threshold
V
DD
= 2.8V to 5.65V, V
THM
falling
V
DD
= 2.8V to 5.65V, V
THM
falling
V
DD
= 2.8V to 5.65V, V
THM
falling
89.5
74
22
91
75.5
23.5
92.5
77
25
% of V
DD
% of V
DD
% of V
DD
Thermistor Underrange
Threshold
V
DD
= 2.8V to 5.65V, V
THM
falling
6
7.5
9
% of V
DD
Thermistor Comparator
Threshold Hysteresis
All four comparators, V
DD
= 2.8V to 5.65V
1
% of V
DD
SMB INTERFACE LEVEL SPECIFICATIONS
(V
DD
= 2.8V to 5.65V)
SDA/SCL Input Low Voltage
SDA/SCL Input High Voltage
SDA/SCL Input Hysteresis
SDA/SCL Input Bias Current
SDA Output Low Sink Current
INT
Output High Leakage
INT
Output Low Voltage
SMB INTERFACE TIMING SPECIFICATIONS
(V
DD
= 2.8V to 5.65V, Figures 4 and 5)
SCL High Period
t
HIGH
SCL Low Period
t
LOW
Start Condition Setup Time
from SCL
0.6
V
V
1.4
220
mV
μA
mA
μA
mV
-1
6
+1
V
SDA
= 0.4V
V
I NT
= 5.65V
I
I NT
= 1mA
1
25
200
4
μs
μs
4.7
t
SU:STA
4.7
μs
Start Condition Hold Time
from SCL
t
HD:STA
4
μs
SDA Setup Time from SCL
SDA Hold Time from SCL
t
SU:DAT
t
HD:DAT
250
0
ns
ns
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1645BEEI+ | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1645BEEI+T | 功能描述:电池管理 RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1645BEEI-T | 功能描述:电池管理 Advanced Chemistry-Independent Level 2 Battery Charger with Input Current Limiting RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX1645BEVKIT | 制造商:Maxim Integrated Products 功能描述:EVALUATION KIT/EVALUATION SYSTEM FOR THE MAX1645B - Bulk |
| MAX1645BEVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX1645B EVAL KIT+ - Boxed Product (Development Kits) |
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