參數(shù)資料
型號(hào): MAX1737EVKIT
廠商: Maxim Integrated Products, Inc.
英文描述: MAX1737 Evaluation Kit
中文描述: MAX1737評(píng)估板
文件頁(yè)數(shù): 6/18頁(yè)
文件大小: 234K
代理商: MAX1737EVKIT
M
Stand-Alone Switch-Mode
Lithium-Ion Battery-Charger Controller
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
DCIN
= V
CSSN
= V
CSSP
= +18V,
SHDN
= VL, CELL = GND, V
BATT
= V
CS
= +4.2V, V
VADJ
= V
REF
/ 2, ISETIN =
ISETOUT = REF, R
THM
= 10k
,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 9)
PARAMETER
CONDITIONS
CONTROL INPUTS/OUTPUTS
Note 1:
Battery Regulation Voltage = Number of Cells
×
(3.979V + 0.10526
×
V
VADJ
).
Note 2:
This transconductance is for one cell. Divide by number of cells to determine actual transconductance.
Note 3:
See
Thermistor
section.
Note 4:
Below this threshold, the charger reverts to prequalification mode and I
CHG
is reduced to about 5% of full scale.
Note 5:
Above this threshold, the charger returns to reset.
Note 6:
After full-charge state is complete and peak inductor current falls below this threshold,
FULLCHG
output switches high.
Battery charging continues until top-off timeout occurs.
Note 7:
After charging is complete, when BATT voltage falls below this threshold, a new charging cycle is initiated.
Note 8:
In shutdown, charging ceases and battery drain current drops to 5μA (max), but internal IC bias current remains on.
Note 9:
Specifications to -40°C are guaranteed by design and not production tested.
SHDN
Input Voltage Low (Note 8)
0.6
V
SHDN
Input Voltage High
1.4
V
MIN
TYP
MAX
UNITS
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