參數(shù)資料
型號(hào)： MAX1758
廠商： Maxim Integrated Products, Inc.
元件分類(lèi)： 數(shù)字信號(hào)處理
英文描述： Replaced by TMS320C6410 : Digital Signal Processor 100-LQFP
中文描述： 獨(dú)立的開(kāi)關(guān)模式Li+電池充電器，內(nèi)置28V開(kāi)關(guān)
文件頁(yè)數(shù)： 6/17頁(yè)
文件大?。?/td> 224K
代理商： MAX1758
250
400
M
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 28V Switch
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
DCIN
= V
HSD
= V
CSSP
= V
CSSN
= 18V, V
SHDN
= V
VL
, V
CELL
= GND, V
BATT
= V
CS
= 4.2V, V
VADJ
= V
REF
/ 2,
V
ISETIN
= V
ISETOUT
= V
REF
, R
THM
= 10k
,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 7)
Note 1:
When V
ISETOUT
= 0, battery charger turns off.
Note 2:
See
Thermistor
section.
Note 3:
Below this threshold, charger reverts to a prequalification mode with I
BATT
reduced to 10% of full scale.
Note 4:
Above this threshold, charger is disabled.
Note 5:
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. See Table 1.
Note 6:
After charging is complete, when BATT voltage falls below this threshold, a new charging cycle is initiated.
Note 7:
Specifications to -40°C are guaranteed by design, not production tested.
CONTROL INPUTS/OUTPUTS
V
0.6
V
IL
SHDN
Input Voltage Low
V
1.4
V
IH
SHDN
Input Voltage High
Hz
0.93
1.37
Temperature Measurement
Frequency
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
BATT Undervoltage Threshold
(Note 3)
2.4
2.6
V/cell
BATT Overvoltage Threshold
(Note 4)
4.55
4.8
V/cell
FULLCHG
BATT Current
Termination Threshold (Note 5)
mA
CONDITIONS
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MAX17582GTM+ 功能描述:電流型 PWM 控制器 Dual-Phase Quick-PWM Controller RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
MAX17582GTM+T 功能描述:電流型 PWM 控制器 Dual-Phase Quick-PWM Controller RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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