參數資料
型號： MAX1644
廠商： Maxim Integrated Products, Inc.
英文描述： Advanced Chemistry-Independent, Level 2 Battery Charger with Input Current Limiting
中文描述： 2A、低電壓、降壓型穩(wěn)壓器，內置同步整流與開關
文件頁數： 3/32頁
文件大小： 183K
代理商： MAX1644
M
Advanc ed Chemistry-Independent, Level 2
Battery Charger with Input Current Limiting
_______________________________________________________________________________________
3
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.)
V
CCV
= V
CCI
= V
CCS
= 0.25V to 2V
PDL to GND
V
CVS
= 28V
ChargingVoltage() = 0x41A0
ChargingVoltage() = 0x3130
ChargingVoltage() = 0x20D0
From CSSP/CSSN to CCS, V
CLS
= 2.048V,
V
CSSP
- V
CSSN
= 102.4mV
From BATT to CCV
V
CSSN
- V
PDL
= 1V
V
CSSP
= V
CSSN
= 28V, V
DCIN
= 0
V
CVS
referred to V
BATT
V
CSSP
= V
CSSN
= V
DCIN
= 0 to 28V
V
CSSP
= C
CSSN
= V
DCIN
= 0 to 28V
Total of I
BATT
, I
CSIP,
and I
CSIN
;
V
BATT
= 0 to 20V, V
DCIN
= 0
Total of I
BATT
, I
CSIP,
and I
CSIN
;
V
BATT
= 0 to 20V, charge inhibited
R
CSS
= 40m
Total of I
BATT
, I
CSIP,
and I
CSIN
;
V
BATT
= 0 to 20V
R
CS
= 50m
Charging Voltage() = 0x1060
V
BATT
= 1V, R
CSI
= 50m
CONDITIONS
From CSIP/SCIN to CCI, ChargingCurrent() =
0x0BC0, V
CSIP
- V
CSIN
= 150.4mV
From BATT to CCV, ChargingVoltage() =
0x41A0, V
BATT
= 16.8V
V
CLS
= V
REF
/2 to V
REF
mV
150
300
600
CCV/CCI/CCS Clamp Voltage
(Note 4)
μA/mV
V/V
200
500
Battery Voltage-Error Amp DC
Gain
μA
-1
1
CSSP/CSSN Quiescent Current
μA
mA
-100
-100
540
35
1000
100
CSSP Input Bias Current
CSSN Input Bias Current
μA
-5
5
Total BATT Standby Current
μA
-100
100
Total BATT Quiescent Current
μA
-700
700
Total BATT Input Bias Current
V
0
20
BATT/CSIP/CSIN Input Voltage
Range
mA
20
128
200
BATT Undervoltage Charge
Current
2.282
2.56
2.838
k
μA
50
100
6
16.8
12.592
8.4
150
20
16.934
12.692
8.467
PDL Turn-On Resistance
CVS Input Bias Current
mA
6
12
mV
100
200
300
V
PDL-HYS
PDL Load Switch Threshold
Hysteresis
PDL Turn-Off Current
A
4.714
5.12
5.526
mA
61.6
128
194.4
A
2.798
3.008
3.218
I0
BATT Charge Current (Note 3)
4.150
4.192
4.234
16.666
12.492
8.333
V0
BATT Full-Charge Voltage
V
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
0.5
1
2
Input Current-Error Amp
Transconductance
μA/mV
0.5
1
2
Battery Current-Error Amp
Transconductance
μA/mV
0.111
0.222
0.444
Battery Voltage-Error Amp
Transconductance
μA
-1
0.05
1
CLS Input Bias Current
DCIN Source Current Limit
(Note 3)
ChargingCurrent() =
0x0BC0
ChargingCurrent() =
0x0080
V
CLS
= 4.096V
V
CLS
= 2.048V
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相關代理商/技術參數
參數描述
MAX1644EAE 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1644EAE/GH9 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1644EAE/GH9-T 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1644EAE+ 功能描述:直流/直流開關轉換器 2A Step-Dow w/Synch Rectification RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1644EAE+T 功能描述:直流/直流開關轉換器 2A Step-Dow w/Synch Rectification RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
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