參數(shù)資料
型號(hào)： MAX1645BEEI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 電源管理
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
封裝： QSOP-28
文件頁(yè)數(shù)： 3/32頁(yè)
文件大小： 357K
代理商： MAX1645BEEI
M
Advanced 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.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PDL Load Switch Threshold
Hysteresis
V
PDL-HYS
V
CVS
referred to V
BATT
100
200
300
mV
PDL Turn-Off Current
PDL Turn-On Resistance
CVS Input Bias Current
V
CSSN
- V
PDL
= 1V
PDL to GND
V
CVS
= 28V
ChargingVoltage() = 0x41A0
ChargingVoltage() = 0x3130
ChargingVoltage() = 0x20D0
ChargingVoltage() = 0x1060
6
50
12
100
6
16.8
12.592
8.4
4.192
mA
k
μA
150
20
16.934
12.692
8.467
4.234
16.666
12.492
8.333
4.150
BATT Full-Charge Voltage
V0
V
ChargingCurrent() =
0x0BC0
139.9
150.4
160.9
BATT Charge Current-Sense
Voltage
I0
V
CSIP
- V
CSIN
ChargingCurrent() =
0x0080
3.08
6.4
9.72
mV
V
CLS
= 4.096V
V
CLS
= 2.048V
188.6
91.3
204.8
102.4
221.0
113.5
DCIN Source Current-Limit
Sense Voltage
V
CSSP
- V
CSSN
mV
BATT Undervoltage Charge
Current-Sense Voltage
V
CSIP
- V
CSIN
V
BATT
= 1V
3.08
6.4
9.72
mV
Inductor Peak Current Limit
V
CSIP
- V
CSIN
250
300
350
mV
BATT/CSIP/CSIN Input Voltage
Range
0
20
V
Total BATT Input Bias Current
Total of I
BATT
, I
CSIP
, and I
CSIN
;
V
BATT
= 0 to 20V
-700
+700
μA
Total BATT Quiescent Current
Total of I
BATT
, I
CSIP
, and I
CSIN
;
V
BATT
= 0 to 20V, charge inhibited
-100
+100
μA
Total BATT Standby Current
Total of I
BATT
, I
CSIP
, and I
CSIN
;
V
BATT
= 0 to 20V, V
DCIN
= 0
V
CSSP
= V
CSSN
= V
DCIN
= 0 to 28V
V
CSSP
= C
CSSN
= V
DCIN
= 0 to 28V
V
CSSP
= V
CSSN
= 28V, V
DCIN
= 0
-5
+5
μA
CSSP Input Bias Current
CSSN Input Bias Current
CSSP/CSSN Quiescent Current
-100
-100
-1
540
35
+1000
+100
+1
μA
μA
μA
Battery Voltage-Error Amp DC
Gain
From BATT to CCV
200
500
V/V
CLS Input Bias Current
V
CLS
= V
REF
/2 to V
REF
From BATT to CCV, ChargingVoltage() =
0x41A0, V
BATT
= 16.8V
-1
+0.05
+1
μA
Battery Voltage-Error Amp
Transconductance
0.111
0.222
0.444
μA/mV
Battery Current-Error Amp
Transconductance
From CSIP/CSIN to CCI, ChargingCurrent()
= 0x0BC0, V
CSIP
- V
CSIN
= 150.4mV
0.5
1
2.0
μA/mV
Input Current-Error Amp
Transconductance
From CSSP/CSSN to CCS, V
CLS
= 2.048V,
V
CSSP
- V
CSSN
= 102.4mV
V
CCV
= V
CCI
= V
CCS
= 0.25V to 2V (Note 3)
0.5
1
2.0
μA/mV
CCV/CCI/CCS Clamp Voltage
150
300
600
mV
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PDF描述
MAX1647 Chemistry-Independent Battery Chargers
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