- 您现在的位置：买卖IC网 > PDF目录383329 > MAX1644 (Maxim Integrated Products, Inc.) Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting PDF资料下载
参数资料
| 型号： | MAX1644 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting |
| 中文描述： | 2A、低电压、降压型稳压器，内置同步整流与开关 |
| 文件页数： | 5/32页 |
| 文件大小： | 183K |
| 代理商： | MAX1644 |
第1页第2页第3页第4页当前第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页
M
Advanc ed Chemistry-Independent, Level 2
Battery Charger with Input Current Limiting
_______________________________________________________________________________________
5
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.)
CONDITIONS
UNITS
μs
MIN
TYP
MAX
1
SYMBOL
t
DV
PARAMETER
sec
140
175
210
t
WDT
Maximum Charge Period
Without a ChargingVoltage() or
Charging Current() Loaded
SDA Output Data Valid from SCL
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
DD
= +3.3V, V
BATT
= +16.8V, V
DCIN
= +18V,
T
A
= -40°C to +85°C
, unless otherwise noted. Guaranteed by design.)
PARAMETER
SYMBOL
MIN
MAX
UNITS
LDO Output Voltage
V
LDO
5.15
5.65
V
7
DCIN Undervoltage Threshold
7.85
V
DCIN Supply Current Charging
Inhibited
2
mA
V
DD
Input Voltage Range
(Note 1)
2.8
5.65
V
V
DD
Undervoltage Threshold
2.8
V
2.1
V
DD
Quiescent Current
I
DD
150
μA
DCIN Typical Operating Range
DCIN Supply Current
V
DCIN
I
DCIN
8
28
6
V
mA
REF Output Voltage
V
REF
4.035
4.157
V
BATT Undervoltage Threshold
(Note 2)
2.4
2.8
V
PDS Charging Source Switch
Turn-Off Threshold
V
PDS-OFF
50
150
mV
PDS Charging Source Switch
Threshold Hysteresis
V
PDS-HYS
100
300
mV
PDS Output Low Voltage, PDS
Below CSSP
8
12
V
PDS Turn-On Current
PDS Turn-Off Current
100
10
300
μA
mA
PDL Load Switch Turn-Off
Threshold
V
PDL-OFF
-150
-50
mV
PDL Load Switch Threshold
Hysteresis
V
PDL-HYS
100
300
mV
PDL Turn-Off Current
6
mA
CONDITIONS
0 < I
REF
< 200μA
8V < V
DCIN
< 28V, 0 < I
LDO
< 15mA
When I
CHARGE
drops to 128mA
When AC_PRESENT
switches
8V < V
DCIN
< 28V
8V < V
DCIN
< 28V
When the SMB res-
ponds to commands
V
CVS
referred to V
BATT
, V
CVS
falling
V
CVS
referred to V
BATT
0 < V
DCIN
< 6V, V
DD
= 5V, V
SCL
= 5V,
V
SDA
= 5V
I
PDS
= 0
PDS = CSSP
V
PDS
= V
CSSP
- 2V, V
DCIN
= 16V
V
CVS
referred to V
BATT
, V
CVS
rising
V
CVS
referred to V
BATT
V
CSSN
- V
PDL
= 1V
8V < V
DCIN
< 28V
DCIN rising
DCIN falling
V
DD
rising
V
DD
falling
GENERAL SPECIFICATIONS
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1645B | Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting |
| MAX1645BEEI | Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting |
| MAX1647 | Chemistry-Independent Battery Chargers |
| MAX1648 | Chemistry-Independent Battery Chargers |
| MAX1647-MAX1648 | Chemistry-Independent Battery Chargers |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1644EAE | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1644EAE/GH9 | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1644EAE/GH9-T | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1644EAE+ | 功能描述:直流/直流开关转换器 2A Step-Dow w/Synch Rectification RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1644EAE+T | 功能描述:直流/直流开关转换器 2A Step-Dow w/Synch Rectification RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
发布紧急采购，3分钟左右您将得到回复。